ci2-upstream-fs/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-upstream-fs/syz-executor203669317 <...> x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9045] munmap(0x7f0c24913000, 138412032) = 0 [pid 9045] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9045] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9045] close(3) = 0 [pid 9045] close(4) = 0 [pid 9045] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9045] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9045] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9045] ioctl(3, LOOP_CLR_FD) = 0 [pid 9045] close(3) = 0 [pid 9045] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9044] <... futex resumed>) = 0 [pid 9045] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9044] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9045] <... futex resumed>) = 0 [pid 9045] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9044] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9045] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9045] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9044] <... futex resumed>) = 0 [pid 9045] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9044] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9045] <... openat resumed>) = 3 [pid 9044] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9045] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9044] <... futex resumed>) = 0 [pid 9045] pwrite64(3, "\x02\x00", 2, 4 [pid 9044] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9045] <... pwrite64 resumed>) = 2 [pid 9044] <... futex resumed>) = 0 [pid 9045] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9044] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9044] exit_group(0 [pid 9045] <... futex resumed>) = ? [pid 9044] <... exit_group resumed>) = ? [pid 9045] +++ exited with 0 +++ [pid 9044] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9044, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9046 rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 9046 attached [pid 9046] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9046] <... set_robust_list resumed>) = 0 [pid 9046] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9046] setpgid(0, 0) = 0 [pid 9046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 378.183960][ T9045] loop0: detected capacity change from 0 to 512 [ 378.188925][ T9045] EXT4-fs: quotafile must be on filesystem root [pid 9046] write(3, "1000", 4) = 4 [pid 9046] close(3) = 0 executing program [pid 9046] write(1, "executing program\n", 18) = 18 [pid 9046] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9046] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9046] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9046] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9046] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9046] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9047 attached [pid 9047] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9046] <... clone3 resumed> => {parent_tid=[9047]}, 88) = 9047 [pid 9047] <... rseq resumed>) = 0 [pid 9046] rt_sigprocmask(SIG_SETMASK, [] [pid 9047] set_robust_list(0x7f0c2cd339a0, 24 [pid 9046] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9047] <... set_robust_list resumed>) = 0 [pid 9046] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9047] rt_sigprocmask(SIG_SETMASK, [] [pid 9046] <... futex resumed>) = 0 [pid 9047] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9046] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9047] memfd_create("syzkaller", 0) = 3 [pid 9047] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9047] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9047] munmap(0x7f0c24913000, 138412032) = 0 [pid 9047] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9047] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9047] close(3) = 0 [pid 9047] close(4) = 0 [pid 9047] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9047] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9047] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9047] ioctl(3, LOOP_CLR_FD) = 0 [pid 9047] close(3) = 0 [pid 9047] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9046] <... futex resumed>) = 0 [pid 9047] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9046] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9046] <... futex resumed>) = 0 [pid 9047] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9046] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9047] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9047] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9046] <... futex resumed>) = 0 [pid 9046] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9047] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9046] <... futex resumed>) = 0 [pid 9047] <... openat resumed>) = 3 [pid 9046] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9047] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9047] <... futex resumed>) = 0 [pid 9046] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9047] pwrite64(3, "\x02\x00", 2, 4 [pid 9046] <... futex resumed>) = 0 [pid 9046] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9047] <... pwrite64 resumed>) = 2 [pid 9047] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9046] <... futex resumed>) = 0 [pid 9047] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9046] exit_group(0 [pid 9047] <... futex resumed>) = ? [pid 9046] <... exit_group resumed>) = ? [pid 9047] +++ exited with 0 +++ [pid 9046] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9046, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [ 378.263846][ T9047] loop0: detected capacity change from 0 to 512 [ 378.273615][ T9047] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9048 attached , child_tidptr=0x555585adc6d0) = 9048 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9048] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9048] <... set_robust_list resumed>) = 0 [pid 9048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9048] setpgid(0, 0) = 0 [pid 9048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9048] write(3, "1000", 4) = 4 [pid 9048] close(3) = 0 executing program [pid 9048] write(1, "executing program\n", 18) = 18 [pid 9048] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9048] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9048] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9048] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9048] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9049 attached [pid 9049] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9048] <... clone3 resumed> => {parent_tid=[9049]}, 88) = 9049 [pid 9049] set_robust_list(0x7f0c2cd339a0, 24 [pid 9048] rt_sigprocmask(SIG_SETMASK, [] [pid 9049] <... set_robust_list resumed>) = 0 [pid 9048] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9049] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9048] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9049] memfd_create("syzkaller", 0 [pid 9048] <... futex resumed>) = 0 [pid 9048] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9049] <... memfd_create resumed>) = 3 [pid 9049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9049] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9049] munmap(0x7f0c24913000, 138412032) = 0 [pid 9049] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9049] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9049] close(3) = 0 [pid 9049] close(4) = 0 [pid 9049] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9049] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9049] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9049] ioctl(3, LOOP_CLR_FD) = 0 [pid 9049] close(3) = 0 [pid 9049] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9049] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9048] <... futex resumed>) = 0 [pid 9048] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9049] <... futex resumed>) = 0 [pid 9048] <... futex resumed>) = 1 [pid 9049] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9049] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9048] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9049] <... futex resumed>) = 0 [pid 9049] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9048] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9049] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9048] <... futex resumed>) = 0 [pid 9049] <... openat resumed>) = 3 [pid 9048] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9049] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9048] <... futex resumed>) = 0 [pid 9049] pwrite64(3, "\x02\x00", 2, 4 [pid 9048] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9049] <... pwrite64 resumed>) = 2 [pid 9049] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9048] <... futex resumed>) = 0 [pid 9049] <... futex resumed>) = 0 [pid 9048] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9049] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9048] exit_group(0) = ? [pid 9049] <... futex resumed>) = ? [pid 9049] +++ exited with 0 +++ [pid 9048] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9048, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 378.401503][ T9049] loop0: detected capacity change from 0 to 512 [ 378.407076][ T9049] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9050 attached , child_tidptr=0x555585adc6d0) = 9050 [pid 9050] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9050] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9050] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9050] setpgid(0, 0) = 0 [pid 9050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9050] write(3, "1000", 4) = 4 [pid 9050] close(3) = 0 executing program [pid 9050] write(1, "executing program\n", 18) = 18 [pid 9050] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9050] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9050] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9050] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9051 attached [pid 9051] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9050] <... clone3 resumed> => {parent_tid=[9051]}, 88) = 9051 [pid 9051] <... rseq resumed>) = 0 [pid 9050] rt_sigprocmask(SIG_SETMASK, [] [pid 9051] set_robust_list(0x7f0c2cd339a0, 24 [pid 9050] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9051] <... set_robust_list resumed>) = 0 [pid 9050] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9051] rt_sigprocmask(SIG_SETMASK, [] [pid 9050] <... futex resumed>) = 0 [pid 9051] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9051] memfd_create("syzkaller", 0 [pid 9050] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9051] <... memfd_create resumed>) = 3 [pid 9051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9051] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9051] munmap(0x7f0c24913000, 138412032) = 0 [pid 9051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9051] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9051] close(3) = 0 [pid 9051] close(4) = 0 [pid 9051] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9051] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9051] ioctl(3, LOOP_CLR_FD) = 0 [pid 9051] close(3) = 0 [pid 9051] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9050] <... futex resumed>) = 0 [pid 9050] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9050] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9051] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9051] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9050] <... futex resumed>) = 0 [pid 9051] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9050] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9051] <... futex resumed>) = 0 [pid 9050] <... futex resumed>) = 1 [pid 9051] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9050] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9051] <... openat resumed>) = 3 [pid 9051] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9050] <... futex resumed>) = 0 [pid 9051] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9050] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9050] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9051] <... futex resumed>) = 0 [pid 9051] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9051] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9050] <... futex resumed>) = 0 [pid 9050] exit_group(0) = ? [pid 9051] +++ exited with 0 +++ [pid 9050] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9050, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9052 attached [ 378.508872][ T9051] loop0: detected capacity change from 0 to 512 [ 378.518274][ T9051] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9052 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9052] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9052] setpgid(0, 0) = 0 [pid 9052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9052] write(3, "1000", 4) = 4 [pid 9052] close(3) = 0 [pid 9052] write(1, "executing program\n", 18) = 18 executing program [pid 9052] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9052] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9052] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9052] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9052] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9052] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9053 attached [pid 9053] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9052] <... clone3 resumed> => {parent_tid=[9053]}, 88) = 9053 [pid 9053] <... rseq resumed>) = 0 [pid 9053] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9053] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9053] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9052] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9053] <... futex resumed>) = 0 [pid 9052] <... futex resumed>) = 1 [pid 9053] memfd_create("syzkaller", 0 [pid 9052] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9053] <... memfd_create resumed>) = 3 [pid 9053] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9053] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9053] munmap(0x7f0c24913000, 138412032) = 0 [pid 9053] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9053] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9053] close(3) = 0 [pid 9053] close(4) = 0 [pid 9053] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9053] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9053] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9053] ioctl(3, LOOP_CLR_FD) = 0 [pid 9053] close(3) = 0 [pid 9053] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9052] <... futex resumed>) = 0 [pid 9053] <... futex resumed>) = 1 [pid 9052] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9053] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9052] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9053] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9053] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9052] <... futex resumed>) = 0 [pid 9053] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9052] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9052] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9053] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9053] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9052] <... futex resumed>) = 0 [pid 9053] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9052] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9053] <... futex resumed>) = 0 [pid 9052] <... futex resumed>) = 1 [pid 9053] pwrite64(3, "\x02\x00", 2, 4 [pid 9052] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9053] <... pwrite64 resumed>) = 2 [pid 9053] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9052] <... futex resumed>) = 0 [pid 9053] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9052] exit_group(0) = ? [pid 9053] <... futex resumed>) = ? [pid 9053] +++ exited with 0 +++ [pid 9052] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9052, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9054 attached [ 378.641291][ T9053] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9054 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9054] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9054] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9054] setpgid(0, 0) = 0 [pid 9054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9054] write(3, "1000", 4) = 4 [pid 9054] close(3) = 0 executing program [pid 9054] write(1, "executing program\n", 18) = 18 [pid 9054] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9054] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9054] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9054] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9054] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9055 attached [pid 9055] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9054] <... clone3 resumed> => {parent_tid=[9055]}, 88) = 9055 [pid 9055] <... rseq resumed>) = 0 [pid 9054] rt_sigprocmask(SIG_SETMASK, [] [pid 9055] set_robust_list(0x7f0c2cd339a0, 24 [pid 9054] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9055] <... set_robust_list resumed>) = 0 [pid 9054] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9055] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9055] memfd_create("syzkaller", 0) = 3 [pid 9054] <... futex resumed>) = 0 [pid 9055] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 9054] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9055] <... mmap resumed>) = 0x7f0c24913000 [pid 9055] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9055] munmap(0x7f0c24913000, 138412032) = 0 [pid 9055] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9055] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9055] close(3) = 0 [pid 9055] close(4) = 0 [pid 9055] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9055] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9055] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9055] ioctl(3, LOOP_CLR_FD) = 0 [pid 9055] close(3) = 0 [pid 9055] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9054] <... futex resumed>) = 0 [pid 9055] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9054] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9055] <... futex resumed>) = 0 [pid 9054] <... futex resumed>) = 1 [pid 9055] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9054] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9055] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9055] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9054] <... futex resumed>) = 0 [pid 9055] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9054] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9054] <... futex resumed>) = 0 [pid 9055] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9054] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9055] <... openat resumed>) = 3 [pid 9055] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9054] <... futex resumed>) = 0 [pid 9054] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9054] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9055] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9055] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9054] <... futex resumed>) = 0 [pid 9055] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9054] exit_group(0) = ? [pid 9055] <... futex resumed>) = ? [pid 9055] +++ exited with 0 +++ [pid 9054] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9056 attached , child_tidptr=0x555585adc6d0) = 9056 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9056] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9056] <... set_robust_list resumed>) = 0 [pid 9056] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 378.755172][ T9055] EXT4-fs: quotafile must be on filesystem root [pid 9056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9056] setpgid(0, 0) = 0 [pid 9056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9056] write(3, "1000", 4) = 4 [pid 9056] close(3) = 0 [pid 9056] write(1, "executing program\n", 18) = 18 [pid 9056] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9056] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9056] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9056] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9056] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9057 attached [pid 9057] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9057] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9057] rt_sigprocmask(SIG_SETMASK, [] [pid 9056] <... clone3 resumed> => {parent_tid=[9057]}, 88) = 9057 [pid 9057] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9057] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9056] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9056] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9057] <... futex resumed>) = 0 [pid 9056] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9057] memfd_create("syzkaller", 0) = 3 [pid 9057] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9057] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9057] munmap(0x7f0c24913000, 138412032) = 0 [pid 9057] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9057] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9057] close(3) = 0 [pid 9057] close(4) = 0 [pid 9057] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9057] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9057] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9057] ioctl(3, LOOP_CLR_FD) = 0 [pid 9057] close(3) = 0 [pid 9057] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9056] <... futex resumed>) = 0 [pid 9057] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9056] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9056] <... futex resumed>) = 0 [pid 9057] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9056] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9057] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9057] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9057] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9056] <... futex resumed>) = 0 [pid 9056] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9056] <... futex resumed>) = 0 [pid 9057] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9056] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9057] <... openat resumed>) = 3 [pid 9057] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9056] <... futex resumed>) = 0 [pid 9057] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9056] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9056] <... futex resumed>) = 0 [pid 9057] pwrite64(3, "\x02\x00", 2, 4 [pid 9056] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9057] <... pwrite64 resumed>) = 2 [pid 9057] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9056] <... futex resumed>) = 0 [pid 9057] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9056] exit_group(0) = ? [pid 9057] <... futex resumed>) = ? [pid 9057] +++ exited with 0 +++ [pid 9056] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9056, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9058 attached , child_tidptr=0x555585adc6d0) = 9058 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9058] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9058] <... set_robust_list resumed>) = 0 [pid 9058] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9058] setpgid(0, 0) = 0 [pid 9058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9058] write(3, "1000", 4) = 4 [pid 9058] close(3) = 0 [pid 9058] write(1, "executing program\n", 18) = 18 [pid 9058] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9058] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9058] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9058] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9058] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 378.857786][ T9057] EXT4-fs: quotafile must be on filesystem root [pid 9058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9059]}, 88) = 9059 ci2-upstream-fs/strace-static-x86_64: Process 9059 attached [pid 9058] rt_sigprocmask(SIG_SETMASK, [] [pid 9059] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9058] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9059] <... rseq resumed>) = 0 [pid 9059] set_robust_list(0x7f0c2cd339a0, 24 [pid 9058] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9058] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9059] <... set_robust_list resumed>) = 0 [pid 9059] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9059] memfd_create("syzkaller", 0) = 3 [pid 9059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9059] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9059] munmap(0x7f0c24913000, 138412032) = 0 [pid 9059] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9059] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9059] close(3) = 0 [pid 9059] close(4) = 0 [pid 9059] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9059] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9059] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9059] ioctl(3, LOOP_CLR_FD) = 0 [pid 9059] close(3) = 0 [pid 9059] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9059] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9058] <... futex resumed>) = 0 [pid 9058] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9059] <... futex resumed>) = 0 [pid 9058] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9059] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9059] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9058] <... futex resumed>) = 0 [pid 9059] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9058] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9058] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9059] <... openat resumed>) = 3 [pid 9059] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9058] <... futex resumed>) = 0 [pid 9058] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9059] pwrite64(3, "\x02\x00", 2, 4 [pid 9058] <... futex resumed>) = 0 [pid 9058] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9059] <... pwrite64 resumed>) = 2 [pid 9059] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9058] <... futex resumed>) = 0 [pid 9059] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9058] exit_group(0) = ? [pid 9059] <... futex resumed>) = ? [pid 9059] +++ exited with 0 +++ [pid 9058] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9058, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9060 attached , child_tidptr=0x555585adc6d0) = 9060 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9060] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9060] <... set_robust_list resumed>) = 0 [ 378.940031][ T9059] EXT4-fs: quotafile must be on filesystem root [pid 9060] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9060] setpgid(0, 0) = 0 [pid 9060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9060] write(3, "1000", 4) = 4 [pid 9060] close(3) = 0 executing program [pid 9060] write(1, "executing program\n", 18) = 18 [pid 9060] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9060] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9060] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9060] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9060] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9061 attached => {parent_tid=[9061]}, 88) = 9061 [pid 9060] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9060] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9061] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9060] <... futex resumed>) = 0 [pid 9061] <... rseq resumed>) = 0 [pid 9061] set_robust_list(0x7f0c2cd339a0, 24 [pid 9060] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9061] <... set_robust_list resumed>) = 0 [pid 9061] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9061] memfd_create("syzkaller", 0) = 3 [pid 9061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9061] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9061] munmap(0x7f0c24913000, 138412032) = 0 [pid 9061] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9061] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9061] close(3) = 0 [pid 9061] close(4) = 0 [pid 9061] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9061] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9061] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9061] ioctl(3, LOOP_CLR_FD) = 0 [pid 9061] close(3) = 0 [pid 9061] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9060] <... futex resumed>) = 0 [pid 9061] <... futex resumed>) = 1 [pid 9060] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9061] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9060] <... futex resumed>) = 0 [pid 9061] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9060] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9061] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9060] <... futex resumed>) = 0 [pid 9061] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9060] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9061] <... openat resumed>) = 3 [pid 9060] <... futex resumed>) = 0 [pid 9060] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9061] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9060] <... futex resumed>) = 0 [pid 9061] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9060] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9060] <... futex resumed>) = 0 [pid 9061] pwrite64(3, "\x02\x00", 2, 4 [pid 9060] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9061] <... pwrite64 resumed>) = 2 [pid 9061] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9060] <... futex resumed>) = 0 [pid 9060] exit_group(0 [pid 9061] <... futex resumed>) = ? [pid 9061] +++ exited with 0 +++ [pid 9060] <... exit_group resumed>) = ? [pid 9060] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9060, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 379.053836][ T9061] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9062 attached , child_tidptr=0x555585adc6d0) = 9062 [pid 9062] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9062] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9062] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9062] setpgid(0, 0) = 0 [pid 9062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9062] write(3, "1000", 4) = 4 [pid 9062] close(3) = 0 [pid 9062] write(1, "executing program\n", 18) = 18 [pid 9062] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9062] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 executing program [pid 9062] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9062] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9062] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9063 attached => {parent_tid=[9063]}, 88) = 9063 [pid 9063] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9062] rt_sigprocmask(SIG_SETMASK, [] [pid 9063] <... rseq resumed>) = 0 [pid 9063] set_robust_list(0x7f0c2cd339a0, 24 [pid 9062] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9063] <... set_robust_list resumed>) = 0 [pid 9062] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9063] rt_sigprocmask(SIG_SETMASK, [] [pid 9062] <... futex resumed>) = 0 [pid 9063] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9062] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9063] memfd_create("syzkaller", 0) = 3 [pid 9063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9063] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9063] munmap(0x7f0c24913000, 138412032) = 0 [pid 9063] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9063] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9063] close(3) = 0 [pid 9063] close(4) = 0 [pid 9063] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9063] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9063] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9063] ioctl(3, LOOP_CLR_FD) = 0 [pid 9063] close(3) = 0 [pid 9063] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9062] <... futex resumed>) = 0 [pid 9063] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9062] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9063] <... futex resumed>) = 0 [pid 9063] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9062] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9063] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9063] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9062] <... futex resumed>) = 0 [pid 9062] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9062] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9063] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9063] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9063] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9062] <... futex resumed>) = 0 [pid 9062] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9063] <... futex resumed>) = 0 [pid 9062] <... futex resumed>) = 1 [pid 9063] pwrite64(3, "\x02\x00", 2, 4 [pid 9062] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9063] <... pwrite64 resumed>) = 2 [pid 9063] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9063] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9062] <... futex resumed>) = 0 [pid 9062] exit_group(0 [pid 9063] <... futex resumed>) = ? [pid 9062] <... exit_group resumed>) = ? [pid 9063] +++ exited with 0 +++ [pid 9062] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9062, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9064 ci2-upstream-fs/strace-static-x86_64: Process 9064 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9064] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9064] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 379.198817][ T9063] EXT4-fs: quotafile must be on filesystem root [pid 9064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9064] setpgid(0, 0) = 0 [pid 9064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9064] write(3, "1000", 4) = 4 [pid 9064] close(3) = 0 executing program [pid 9064] write(1, "executing program\n", 18) = 18 [pid 9064] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9064] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9064] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9064] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9064] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9065 attached [pid 9065] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9064] <... clone3 resumed> => {parent_tid=[9065]}, 88) = 9065 [pid 9065] <... rseq resumed>) = 0 [pid 9064] rt_sigprocmask(SIG_SETMASK, [] [pid 9065] set_robust_list(0x7f0c2cd339a0, 24 [pid 9064] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9065] <... set_robust_list resumed>) = 0 [pid 9064] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9065] rt_sigprocmask(SIG_SETMASK, [] [pid 9064] <... futex resumed>) = 0 [pid 9065] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9064] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9065] memfd_create("syzkaller", 0) = 3 [pid 9065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9065] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9065] munmap(0x7f0c24913000, 138412032) = 0 [pid 9065] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9065] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9065] close(3) = 0 [pid 9065] close(4) = 0 [pid 9065] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9065] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9065] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9065] ioctl(3, LOOP_CLR_FD) = 0 [pid 9065] close(3) = 0 [pid 9065] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9064] <... futex resumed>) = 0 [pid 9065] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9064] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9064] <... futex resumed>) = 0 [pid 9065] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9064] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9065] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9065] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9064] <... futex resumed>) = 0 [pid 9065] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9064] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9064] <... futex resumed>) = 0 [pid 9065] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9064] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9065] <... openat resumed>) = 3 [pid 9065] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9064] <... futex resumed>) = 0 [pid 9065] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9064] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9064] <... futex resumed>) = 0 [pid 9065] pwrite64(3, "\x02\x00", 2, 4 [pid 9064] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9065] <... pwrite64 resumed>) = 2 [pid 9065] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9064] <... futex resumed>) = 0 [pid 9065] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9064] exit_group(0 [pid 9065] <... futex resumed>) = ? [pid 9064] <... exit_group resumed>) = ? [pid 9065] +++ exited with 0 +++ [pid 9064] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9064, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9066 attached [pid 9066] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9066 [pid 9066] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9066] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9066] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9066] setpgid(0, 0) = 0 [ 379.300808][ T9065] EXT4-fs: quotafile must be on filesystem root [pid 9066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9066] write(3, "1000", 4) = 4 [pid 9066] close(3) = 0 executing program [pid 9066] write(1, "executing program\n", 18) = 18 [pid 9066] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9066] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9066] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9066] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9066] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9066] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9067 attached [pid 9067] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9066] <... clone3 resumed> => {parent_tid=[9067]}, 88) = 9067 [pid 9067] <... rseq resumed>) = 0 [pid 9066] rt_sigprocmask(SIG_SETMASK, [] [pid 9067] set_robust_list(0x7f0c2cd339a0, 24 [pid 9066] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9067] <... set_robust_list resumed>) = 0 [pid 9066] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9067] rt_sigprocmask(SIG_SETMASK, [] [pid 9066] <... futex resumed>) = 0 [pid 9067] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9067] memfd_create("syzkaller", 0 [pid 9066] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9067] <... memfd_create resumed>) = 3 [pid 9067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9067] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9067] munmap(0x7f0c24913000, 138412032) = 0 [pid 9067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9067] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9067] close(3) = 0 [pid 9067] close(4) = 0 [pid 9067] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9067] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9067] ioctl(3, LOOP_CLR_FD) = 0 [pid 9067] close(3) = 0 [pid 9067] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9066] <... futex resumed>) = 0 [pid 9067] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9066] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9066] <... futex resumed>) = 0 [pid 9067] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9066] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9067] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9067] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9066] <... futex resumed>) = 0 [pid 9067] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9066] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9066] <... futex resumed>) = 0 [pid 9067] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9066] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9067] <... openat resumed>) = 3 [pid 9067] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9066] <... futex resumed>) = 0 [pid 9067] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9066] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9066] <... futex resumed>) = 0 [pid 9067] pwrite64(3, "\x02\x00", 2, 4 [pid 9066] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9067] <... pwrite64 resumed>) = 2 [pid 9067] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9066] <... futex resumed>) = 0 [pid 9067] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9066] exit_group(0) = ? [pid 9067] <... futex resumed>) = ? [pid 9067] +++ exited with 0 +++ [pid 9066] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9066, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9068 attached [pid 9068] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9068] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9068] setpgid(0, 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9068 [pid 9068] <... setpgid resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9068] write(3, "1000", 4) = 4 [pid 9068] close(3) = 0 [pid 9068] write(1, "executing program\n", 18) = 18 executing program [pid 9068] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9068] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9068] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [ 379.394060][ T9067] EXT4-fs: quotafile must be on filesystem root [pid 9068] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9068] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9069 attached [pid 9069] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9068] <... clone3 resumed> => {parent_tid=[9069]}, 88) = 9069 [pid 9069] <... rseq resumed>) = 0 [pid 9068] rt_sigprocmask(SIG_SETMASK, [] [pid 9069] set_robust_list(0x7f0c2cd339a0, 24 [pid 9068] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9069] <... set_robust_list resumed>) = 0 [pid 9068] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9069] rt_sigprocmask(SIG_SETMASK, [] [pid 9068] <... futex resumed>) = 0 [pid 9069] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9069] memfd_create("syzkaller", 0 [pid 9068] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9069] <... memfd_create resumed>) = 3 [pid 9069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9069] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9069] munmap(0x7f0c24913000, 138412032) = 0 [pid 9069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9069] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9069] close(3) = 0 [pid 9069] close(4) = 0 [pid 9069] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9069] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9069] ioctl(3, LOOP_CLR_FD) = 0 [pid 9069] close(3) = 0 [pid 9069] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9068] <... futex resumed>) = 0 [pid 9069] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9068] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9069] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9068] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9069] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9068] <... futex resumed>) = 0 [pid 9069] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9068] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9069] <... openat resumed>) = 3 [pid 9068] <... futex resumed>) = 0 [pid 9069] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9068] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9069] <... futex resumed>) = 0 [pid 9068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9068] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9069] pwrite64(3, "\x02\x00", 2, 4 [pid 9068] <... futex resumed>) = 0 [pid 9069] <... pwrite64 resumed>) = 2 [pid 9068] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9069] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9068] <... futex resumed>) = 0 [pid 9069] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9068] exit_group(0 [pid 9069] <... futex resumed>) = ? [pid 9068] <... exit_group resumed>) = ? [pid 9069] +++ exited with 0 +++ [pid 9068] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9068, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9070 attached [pid 9070] set_robust_list(0x555585adc6e0, 24) = 0 [ 379.476798][ T9069] EXT4-fs: quotafile must be on filesystem root [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9070 [pid 9070] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9070] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9070] setpgid(0, 0) = 0 [pid 9070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9070] write(3, "1000", 4) = 4 [pid 9070] close(3) = 0 [pid 9070] write(1, "executing program\n", 18) = 18 executing program [pid 9070] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9070] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9070] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9070] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9070] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9070] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9070] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9071 attached [pid 9071] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9070] <... clone3 resumed> => {parent_tid=[9071]}, 88) = 9071 [pid 9071] <... rseq resumed>) = 0 [pid 9071] set_robust_list(0x7f0c2cd339a0, 24 [pid 9070] rt_sigprocmask(SIG_SETMASK, [] [pid 9071] <... set_robust_list resumed>) = 0 [pid 9070] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9071] rt_sigprocmask(SIG_SETMASK, [] [pid 9070] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9071] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9070] <... futex resumed>) = 0 [pid 9071] memfd_create("syzkaller", 0 [pid 9070] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9071] <... memfd_create resumed>) = 3 [pid 9071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9071] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9071] munmap(0x7f0c24913000, 138412032) = 0 [pid 9071] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9071] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9071] close(3) = 0 [pid 9071] close(4) = 0 [pid 9071] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9071] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9071] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9071] ioctl(3, LOOP_CLR_FD) = 0 [pid 9071] close(3) = 0 [pid 9071] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9070] <... futex resumed>) = 0 [pid 9071] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9070] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9071] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9070] <... futex resumed>) = 0 [pid 9071] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9070] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9071] <... futex resumed>) = 0 [pid 9070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9071] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9070] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9071] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9070] <... futex resumed>) = 0 [pid 9071] <... openat resumed>) = 3 [pid 9070] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9071] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9070] <... futex resumed>) = 0 [pid 9070] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9071] pwrite64(3, "\x02\x00", 2, 4 [pid 9070] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9071] <... pwrite64 resumed>) = 2 [pid 9071] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9070] <... futex resumed>) = 0 [pid 9071] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9070] exit_group(0 [pid 9071] <... futex resumed>) = ? [pid 9070] <... exit_group resumed>) = ? [pid 9071] +++ exited with 0 +++ [pid 9070] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9070, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9072 attached [pid 9072] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9072 [pid 9072] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9072] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9072] setpgid(0, 0) = 0 [pid 9072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 379.608911][ T9071] EXT4-fs: quotafile must be on filesystem root [pid 9072] write(3, "1000", 4) = 4 [pid 9072] close(3) = 0 executing program [pid 9072] write(1, "executing program\n", 18) = 18 [pid 9072] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9072] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9072] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9072] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9072] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9073 attached => {parent_tid=[9073]}, 88) = 9073 [pid 9073] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9072] rt_sigprocmask(SIG_SETMASK, [] [pid 9073] <... rseq resumed>) = 0 [pid 9072] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9073] set_robust_list(0x7f0c2cd339a0, 24 [pid 9072] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9073] <... set_robust_list resumed>) = 0 [pid 9072] <... futex resumed>) = 0 [pid 9072] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9073] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9073] memfd_create("syzkaller", 0) = 3 [pid 9073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9073] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9073] munmap(0x7f0c24913000, 138412032) = 0 [pid 9073] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9073] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9073] close(3) = 0 [pid 9073] close(4) = 0 [pid 9073] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9073] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9073] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9073] ioctl(3, LOOP_CLR_FD) = 0 [pid 9073] close(3) = 0 [pid 9073] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9072] <... futex resumed>) = 0 [pid 9073] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9072] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9072] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9073] <... futex resumed>) = 0 [pid 9073] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9073] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9072] <... futex resumed>) = 0 [pid 9073] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9072] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9072] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9073] <... futex resumed>) = 0 [pid 9073] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9073] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9072] <... futex resumed>) = 0 [pid 9073] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9072] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9072] <... futex resumed>) = 0 [pid 9073] pwrite64(3, "\x02\x00", 2, 4 [pid 9072] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9073] <... pwrite64 resumed>) = 2 [pid 9073] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9072] <... futex resumed>) = 0 [pid 9073] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9072] exit_group(0) = ? [pid 9073] <... futex resumed>) = ? [pid 9073] +++ exited with 0 +++ [pid 9072] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9072, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9074 attached , child_tidptr=0x555585adc6d0) = 9074 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9074] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9074] setpgid(0, 0) = 0 [pid 9074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9074] write(3, "1000", 4) = 4 [pid 9074] close(3) = 0 executing program [pid 9074] write(1, "executing program\n", 18) = 18 [pid 9074] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9074] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9074] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [ 379.728780][ T9073] EXT4-fs: quotafile must be on filesystem root [pid 9074] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9075 attached => {parent_tid=[9075]}, 88) = 9075 [pid 9075] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9075] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9074] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9075] rt_sigprocmask(SIG_SETMASK, [] [pid 9074] <... futex resumed>) = 0 [pid 9075] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9074] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9075] memfd_create("syzkaller", 0) = 3 [pid 9075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9075] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9075] munmap(0x7f0c24913000, 138412032) = 0 [pid 9075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9075] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9075] close(3) = 0 [pid 9075] close(4) = 0 [pid 9075] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9075] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9075] ioctl(3, LOOP_CLR_FD) = 0 [pid 9075] close(3) = 0 [pid 9075] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9074] <... futex resumed>) = 0 [pid 9074] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9074] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9075] <... futex resumed>) = 1 [pid 9075] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9075] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9074] <... futex resumed>) = 0 [pid 9075] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9074] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9074] <... futex resumed>) = 0 [pid 9075] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9074] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9075] <... openat resumed>) = 3 [pid 9075] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9074] <... futex resumed>) = 0 [pid 9075] <... futex resumed>) = 1 [pid 9074] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9075] pwrite64(3, "\x02\x00", 2, 4 [pid 9074] <... futex resumed>) = 0 [pid 9075] <... pwrite64 resumed>) = 2 [pid 9074] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9075] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9074] <... futex resumed>) = 0 [pid 9075] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9074] exit_group(0 [pid 9075] <... futex resumed>) = ? [pid 9074] <... exit_group resumed>) = ? [pid 9075] +++ exited with 0 +++ [pid 9074] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9074, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9076 attached [pid 9076] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9076] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9076 [pid 9076] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 379.838304][ T9075] EXT4-fs: quotafile must be on filesystem root [pid 9076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9076] <... prctl resumed>) = 0 [pid 9076] setpgid(0, 0) = 0 [pid 9076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9076] write(3, "1000", 4) = 4 [pid 9076] close(3) = 0 [pid 9076] write(1, "executing program\n", 18) = 18 [pid 9076] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9076] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 executing program [pid 9076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9076] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9076] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9077 attached [pid 9077] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9076] <... clone3 resumed> => {parent_tid=[9077]}, 88) = 9077 [pid 9077] <... rseq resumed>) = 0 [pid 9076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9076] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9077] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9076] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9077] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9077] memfd_create("syzkaller", 0) = 3 [pid 9077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9077] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9077] munmap(0x7f0c24913000, 138412032) = 0 [pid 9077] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9077] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9077] close(3) = 0 [pid 9077] close(4) = 0 [pid 9077] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9077] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9077] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9077] ioctl(3, LOOP_CLR_FD) = 0 [pid 9077] close(3) = 0 [pid 9077] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9077] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9076] <... futex resumed>) = 0 [pid 9076] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9077] <... futex resumed>) = 0 [pid 9076] <... futex resumed>) = 1 [pid 9077] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9076] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9077] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9076] <... futex resumed>) = 0 [pid 9077] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9076] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9077] <... openat resumed>) = 3 [pid 9076] <... futex resumed>) = 0 [pid 9076] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9077] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9077] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9076] <... futex resumed>) = 0 [pid 9077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9076] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9077] pwrite64(3, "\x02\x00", 2, 4 [pid 9076] <... futex resumed>) = 0 [pid 9077] <... pwrite64 resumed>) = 2 [pid 9076] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9077] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9076] <... futex resumed>) = 0 [pid 9077] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9076] exit_group(0 [pid 9077] <... futex resumed>) = ? [pid 9076] <... exit_group resumed>) = ? [pid 9077] +++ exited with 0 +++ [ 379.933402][ T9077] EXT4-fs: quotafile must be on filesystem root [pid 9076] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9076, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9078 attached , child_tidptr=0x555585adc6d0) = 9078 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9078] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9078] <... set_robust_list resumed>) = 0 [pid 9078] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9078] setpgid(0, 0) = 0 [pid 9078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9078] write(3, "1000", 4) = 4 [pid 9078] close(3) = 0 [pid 9078] write(1, "executing program\n", 18) = 18 executing program [pid 9078] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9078] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9078] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9078] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9078] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9079 attached => {parent_tid=[9079]}, 88) = 9079 [pid 9079] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9078] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9079] <... rseq resumed>) = 0 [pid 9078] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9079] set_robust_list(0x7f0c2cd339a0, 24 [pid 9078] <... futex resumed>) = 0 [pid 9079] <... set_robust_list resumed>) = 0 [pid 9078] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9079] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9079] memfd_create("syzkaller", 0) = 3 [pid 9079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9079] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9079] munmap(0x7f0c24913000, 138412032) = 0 [pid 9079] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9079] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9079] close(3) = 0 [pid 9079] close(4) = 0 [pid 9079] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9079] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9079] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9079] ioctl(3, LOOP_CLR_FD) = 0 [pid 9079] close(3) = 0 [pid 9079] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9078] <... futex resumed>) = 0 [pid 9079] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9078] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9078] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9079] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9079] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9078] <... futex resumed>) = 0 [pid 9079] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9078] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9079] <... futex resumed>) = 0 [pid 9078] <... futex resumed>) = 1 [pid 9079] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9078] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9079] <... openat resumed>) = 3 [pid 9079] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9078] <... futex resumed>) = 0 [pid 9078] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9078] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9079] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9079] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9078] <... futex resumed>) = 0 [pid 9079] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9078] exit_group(0 [pid 9079] <... futex resumed>) = ? [pid 9078] <... exit_group resumed>) = ? [pid 9079] +++ exited with 0 +++ [pid 9078] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9078, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 380.093648][ T9079] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9080 attached , child_tidptr=0x555585adc6d0) = 9080 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9080] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9080] <... set_robust_list resumed>) = 0 [pid 9080] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9080] setpgid(0, 0) = 0 [pid 9080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9080] write(3, "1000", 4) = 4 [pid 9080] close(3) = 0 [pid 9080] write(1, "executing program\n", 18) = 18 executing program [pid 9080] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9080] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9080] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9080] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9080] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9081 attached [pid 9081] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9080] <... clone3 resumed> => {parent_tid=[9081]}, 88) = 9081 [pid 9081] <... rseq resumed>) = 0 [pid 9081] set_robust_list(0x7f0c2cd339a0, 24 [pid 9080] rt_sigprocmask(SIG_SETMASK, [] [pid 9081] <... set_robust_list resumed>) = 0 [pid 9080] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9081] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9081] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9080] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9080] <... futex resumed>) = 0 [pid 9081] memfd_create("syzkaller", 0 [pid 9080] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9081] <... memfd_create resumed>) = 3 [pid 9081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9081] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9081] munmap(0x7f0c24913000, 138412032) = 0 [pid 9081] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9081] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9081] close(3) = 0 [pid 9081] close(4) = 0 [pid 9081] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9081] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9081] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9081] ioctl(3, LOOP_CLR_FD) = 0 [pid 9081] close(3) = 0 [pid 9081] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9081] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9080] <... futex resumed>) = 0 [pid 9080] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9081] <... futex resumed>) = 0 [pid 9080] <... futex resumed>) = 1 [pid 9081] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9080] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9081] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9081] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9081] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9080] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9081] <... futex resumed>) = 0 [pid 9080] <... futex resumed>) = 1 [pid 9081] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9080] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9081] <... openat resumed>) = 3 [pid 9081] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9081] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9080] <... futex resumed>) = 0 [pid 9081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9080] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9081] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9081] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9080] <... futex resumed>) = 0 [pid 9081] <... futex resumed>) = 0 [pid 9080] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9081] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9080] exit_group(0 [pid 9081] <... futex resumed>) = ? [pid 9080] <... exit_group resumed>) = ? [pid 9081] +++ exited with 0 +++ [pid 9080] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9080, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 380.207801][ T9081] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9082 attached , child_tidptr=0x555585adc6d0) = 9082 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9082] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9082] <... set_robust_list resumed>) = 0 [pid 9082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9082] setpgid(0, 0) = 0 [pid 9082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9082] write(3, "1000", 4) = 4 [pid 9082] close(3) = 0 executing program [pid 9082] write(1, "executing program\n", 18) = 18 [pid 9082] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9082] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9082] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9082] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9082] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9083 attached [pid 9083] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9082] <... clone3 resumed> => {parent_tid=[9083]}, 88) = 9083 [pid 9083] <... rseq resumed>) = 0 [pid 9082] rt_sigprocmask(SIG_SETMASK, [] [pid 9083] set_robust_list(0x7f0c2cd339a0, 24 [pid 9082] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9083] <... set_robust_list resumed>) = 0 [pid 9082] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9083] rt_sigprocmask(SIG_SETMASK, [] [pid 9082] <... futex resumed>) = 0 [pid 9083] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9083] memfd_create("syzkaller", 0 [pid 9082] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9083] <... memfd_create resumed>) = 3 [pid 9083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9083] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9083] munmap(0x7f0c24913000, 138412032) = 0 [pid 9083] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9083] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9083] close(3) = 0 [pid 9083] close(4) = 0 [pid 9083] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9083] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9083] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9083] ioctl(3, LOOP_CLR_FD) = 0 [pid 9083] close(3) = 0 [pid 9083] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9082] <... futex resumed>) = 0 [pid 9083] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9082] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9082] <... futex resumed>) = 0 [pid 9083] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9082] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9083] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9083] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9082] <... futex resumed>) = 0 [pid 9083] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9082] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9082] <... futex resumed>) = 0 [pid 9083] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9082] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9083] <... openat resumed>) = 3 [pid 9083] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9082] <... futex resumed>) = 0 [pid 9083] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9082] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9082] <... futex resumed>) = 0 [pid 9083] pwrite64(3, "\x02\x00", 2, 4 [pid 9082] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9083] <... pwrite64 resumed>) = 2 [pid 9083] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9082] <... futex resumed>) = 0 [pid 9083] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9082] exit_group(0 [pid 9083] <... futex resumed>) = ? [pid 9082] <... exit_group resumed>) = ? [pid 9083] +++ exited with 0 +++ [pid 9082] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9082, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9084 attached , child_tidptr=0x555585adc6d0) = 9084 [pid 9084] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9084] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9084] setpgid(0, 0) = 0 [pid 9084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9084] write(3, "1000", 4) = 4 [pid 9084] close(3) = 0 executing program [pid 9084] write(1, "executing program\n", 18) = 18 [pid 9084] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9084] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9084] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9084] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9084] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9085 attached [pid 9085] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9084] <... clone3 resumed> => {parent_tid=[9085]}, 88) = 9085 [pid 9085] <... rseq resumed>) = 0 [pid 9084] rt_sigprocmask(SIG_SETMASK, [] [pid 9085] set_robust_list(0x7f0c2cd339a0, 24 [pid 9084] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9085] <... set_robust_list resumed>) = 0 [pid 9084] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9085] rt_sigprocmask(SIG_SETMASK, [] [pid 9084] <... futex resumed>) = 0 [pid 9085] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9084] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9085] memfd_create("syzkaller", 0) = 3 [pid 9085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [ 380.325165][ T9083] EXT4-fs: quotafile must be on filesystem root [pid 9085] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9085] munmap(0x7f0c24913000, 138412032) = 0 [pid 9085] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9085] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9085] close(3) = 0 [pid 9085] close(4) = 0 [pid 9085] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9085] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9085] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9085] ioctl(3, LOOP_CLR_FD) = 0 [pid 9085] close(3) = 0 [pid 9085] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9084] <... futex resumed>) = 0 [pid 9085] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9084] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9084] <... futex resumed>) = 0 [pid 9085] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9084] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9085] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9085] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9085] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9084] <... futex resumed>) = 0 [pid 9084] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9085] <... futex resumed>) = 0 [pid 9084] <... futex resumed>) = 1 [pid 9085] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9084] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9085] <... openat resumed>) = 3 [pid 9085] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9084] <... futex resumed>) = 0 [pid 9085] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9084] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9084] <... futex resumed>) = 0 [pid 9085] pwrite64(3, "\x02\x00", 2, 4 [pid 9084] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9085] <... pwrite64 resumed>) = 2 [pid 9085] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9084] <... futex resumed>) = 0 [pid 9085] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9084] exit_group(0 [pid 9085] <... futex resumed>) = ? [pid 9084] <... exit_group resumed>) = ? [pid 9085] +++ exited with 0 +++ [pid 9084] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9084, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9086 attached , child_tidptr=0x555585adc6d0) = 9086 [pid 9086] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9086] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9086] setpgid(0, 0) = 0 [pid 9086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9086] write(3, "1000", 4) = 4 [pid 9086] close(3) = 0 [pid 9086] write(1, "executing program\n", 18) = 18 executing program [pid 9086] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9086] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9086] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [ 380.399386][ T9085] EXT4-fs: quotafile must be on filesystem root [pid 9086] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9086] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9087 attached => {parent_tid=[9087]}, 88) = 9087 [pid 9087] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9086] rt_sigprocmask(SIG_SETMASK, [] [pid 9087] <... rseq resumed>) = 0 [pid 9086] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9087] set_robust_list(0x7f0c2cd339a0, 24 [pid 9086] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9087] <... set_robust_list resumed>) = 0 [pid 9087] rt_sigprocmask(SIG_SETMASK, [] [pid 9086] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9087] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9087] memfd_create("syzkaller", 0) = 3 [pid 9087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9087] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9087] munmap(0x7f0c24913000, 138412032) = 0 [pid 9087] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9087] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9087] close(3) = 0 [pid 9087] close(4) = 0 [pid 9087] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9087] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9087] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9087] ioctl(3, LOOP_CLR_FD) = 0 [pid 9087] close(3) = 0 [pid 9087] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9086] <... futex resumed>) = 0 [pid 9086] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9087] <... futex resumed>) = 1 [pid 9086] <... futex resumed>) = 0 [pid 9087] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9086] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9087] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9087] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9086] <... futex resumed>) = 0 [pid 9087] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9086] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9087] <... openat resumed>) = 3 [pid 9086] <... futex resumed>) = 0 [pid 9086] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9087] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9086] <... futex resumed>) = 0 [pid 9086] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9087] pwrite64(3, "\x02\x00", 2, 4 [pid 9086] <... futex resumed>) = 0 [pid 9087] <... pwrite64 resumed>) = 2 [pid 9086] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9087] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9086] <... futex resumed>) = 0 [pid 9087] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9086] exit_group(0 [pid 9087] <... futex resumed>) = ? [pid 9086] <... exit_group resumed>) = ? [pid 9087] +++ exited with 0 +++ [pid 9086] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9086, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [ 380.490811][ T9087] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9088 attached [pid 9088] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9088 [pid 9088] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9088] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9088] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9088] setpgid(0, 0) = 0 [pid 9088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9088] write(3, "1000", 4) = 4 [pid 9088] close(3) = 0 [pid 9088] write(1, "executing program\n", 18) = 18 executing program [pid 9088] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9088] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9088] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9088] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9088] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9089 attached => {parent_tid=[9089]}, 88) = 9089 [pid 9089] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9088] rt_sigprocmask(SIG_SETMASK, [] [pid 9089] <... rseq resumed>) = 0 [pid 9088] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9089] set_robust_list(0x7f0c2cd339a0, 24 [pid 9088] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9089] <... set_robust_list resumed>) = 0 [pid 9088] <... futex resumed>) = 0 [pid 9089] rt_sigprocmask(SIG_SETMASK, [] [pid 9088] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9089] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9089] memfd_create("syzkaller", 0) = 3 [pid 9089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9089] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9089] munmap(0x7f0c24913000, 138412032) = 0 [pid 9089] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9089] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9089] close(3) = 0 [pid 9089] close(4) = 0 [pid 9089] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9089] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9089] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9089] ioctl(3, LOOP_CLR_FD) = 0 [pid 9089] close(3) = 0 [pid 9089] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9088] <... futex resumed>) = 0 [pid 9089] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9088] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9089] <... futex resumed>) = 0 [pid 9089] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9088] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9089] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9088] <... futex resumed>) = 0 [pid 9088] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9089] <... futex resumed>) = 1 [pid 9088] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9089] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9089] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9088] <... futex resumed>) = 0 [pid 9088] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9089] <... futex resumed>) = 1 [pid 9088] <... futex resumed>) = 0 [pid 9089] pwrite64(3, "\x02\x00", 2, 4 [pid 9088] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9089] <... pwrite64 resumed>) = 2 [pid 9089] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9088] <... futex resumed>) = 0 [pid 9088] exit_group(0 [pid 9089] <... futex resumed>) = 1 [pid 9088] <... exit_group resumed>) = ? [pid 9089] +++ exited with 0 +++ [pid 9088] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9090 attached , child_tidptr=0x555585adc6d0) = 9090 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9090] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9090] <... set_robust_list resumed>) = 0 [pid 9090] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 380.622550][ T9089] EXT4-fs: quotafile must be on filesystem root [pid 9090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9090] setpgid(0, 0) = 0 [pid 9090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9090] write(3, "1000", 4) = 4 [pid 9090] close(3) = 0 [pid 9090] write(1, "executing program\n", 18) = 18 executing program [pid 9090] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9090] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9090] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9090] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9091 attached [pid 9091] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9090] <... clone3 resumed> => {parent_tid=[9091]}, 88) = 9091 [pid 9090] rt_sigprocmask(SIG_SETMASK, [] [pid 9091] <... rseq resumed>) = 0 [pid 9091] set_robust_list(0x7f0c2cd339a0, 24 [pid 9090] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9091] <... set_robust_list resumed>) = 0 [pid 9090] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9091] rt_sigprocmask(SIG_SETMASK, [] [pid 9090] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9091] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9091] memfd_create("syzkaller", 0) = 3 [pid 9091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9091] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9091] munmap(0x7f0c24913000, 138412032) = 0 [pid 9091] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9091] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9091] close(3) = 0 [pid 9091] close(4) = 0 [pid 9091] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9091] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9091] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9091] ioctl(3, LOOP_CLR_FD) = 0 [pid 9091] close(3) = 0 [pid 9091] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9090] <... futex resumed>) = 0 [pid 9091] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9090] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9090] <... futex resumed>) = 0 [pid 9091] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9090] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9091] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9091] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9090] <... futex resumed>) = 0 [pid 9091] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9090] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9091] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9090] <... futex resumed>) = 0 [pid 9091] <... openat resumed>) = 3 [pid 9090] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9091] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9090] <... futex resumed>) = 0 [pid 9091] <... futex resumed>) = 1 [pid 9090] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9091] pwrite64(3, "\x02\x00", 2, 4 [pid 9090] <... futex resumed>) = 0 [pid 9091] <... pwrite64 resumed>) = 2 [pid 9090] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9091] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9091] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9090] exit_group(0 [pid 9091] <... futex resumed>) = ? [pid 9090] <... exit_group resumed>) = ? [pid 9091] +++ exited with 0 +++ [pid 9090] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9092 attached [pid 9092] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9092 [pid 9092] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9092] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9092] setpgid(0, 0) = 0 [pid 9092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9092] write(3, "1000", 4) = 4 [pid 9092] close(3) = 0 [pid 9092] write(1, "executing program\n", 18) = 18 [pid 9092] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9092] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9092] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 executing program [pid 9092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9092] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9092] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9093 attached => {parent_tid=[9093]}, 88) = 9093 [pid 9093] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9092] rt_sigprocmask(SIG_SETMASK, [] [pid 9093] <... rseq resumed>) = 0 [pid 9092] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9093] set_robust_list(0x7f0c2cd339a0, 24 [pid 9092] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9093] <... set_robust_list resumed>) = 0 [pid 9092] <... futex resumed>) = 0 [pid 9093] rt_sigprocmask(SIG_SETMASK, [] [pid 9092] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9093] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 380.751627][ T9091] EXT4-fs: quotafile must be on filesystem root [pid 9093] memfd_create("syzkaller", 0) = 3 [pid 9093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9093] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9093] munmap(0x7f0c24913000, 138412032) = 0 [pid 9093] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9093] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9093] close(3) = 0 [pid 9093] close(4) = 0 [pid 9093] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9093] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9093] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9093] ioctl(3, LOOP_CLR_FD) = 0 [pid 9093] close(3) = 0 [pid 9093] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9093] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9092] <... futex resumed>) = 0 [pid 9092] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9093] <... futex resumed>) = 0 [pid 9092] <... futex resumed>) = 1 [pid 9092] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9093] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9093] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9092] <... futex resumed>) = 0 [pid 9093] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9092] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9093] <... futex resumed>) = 0 [pid 9092] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9093] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9093] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9092] <... futex resumed>) = 0 [pid 9093] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9092] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9092] <... futex resumed>) = 0 [pid 9093] pwrite64(3, "\x02\x00", 2, 4 [pid 9092] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9093] <... pwrite64 resumed>) = 2 [pid 9093] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9092] <... futex resumed>) = 0 [pid 9093] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9092] exit_group(0 [pid 9093] <... futex resumed>) = ? [pid 9093] +++ exited with 0 +++ [pid 9092] <... exit_group resumed>) = ? [pid 9092] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9094 attached , child_tidptr=0x555585adc6d0) = 9094 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9094] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9094] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9094] setpgid(0, 0) = 0 [pid 9094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 380.856402][ T9093] EXT4-fs: quotafile must be on filesystem root [pid 9094] write(3, "1000", 4) = 4 [pid 9094] close(3) = 0 executing program [pid 9094] write(1, "executing program\n", 18) = 18 [pid 9094] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9094] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9094] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9094] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9094] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9094] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9094] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9095 attached [pid 9095] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9094] <... clone3 resumed> => {parent_tid=[9095]}, 88) = 9095 [pid 9095] <... rseq resumed>) = 0 [pid 9094] rt_sigprocmask(SIG_SETMASK, [] [pid 9095] set_robust_list(0x7f0c2cd339a0, 24 [pid 9094] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9095] <... set_robust_list resumed>) = 0 [pid 9095] rt_sigprocmask(SIG_SETMASK, [] [pid 9094] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9095] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9094] <... futex resumed>) = 0 [pid 9095] memfd_create("syzkaller", 0 [pid 9094] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9095] <... memfd_create resumed>) = 3 [pid 9095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9095] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9095] munmap(0x7f0c24913000, 138412032) = 0 [pid 9095] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9095] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9095] close(3) = 0 [pid 9095] close(4) = 0 [pid 9095] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9095] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9095] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9095] ioctl(3, LOOP_CLR_FD) = 0 [pid 9095] close(3) = 0 [pid 9095] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9094] <... futex resumed>) = 0 [pid 9095] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9094] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9095] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9095] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9094] <... futex resumed>) = 0 [pid 9095] <... futex resumed>) = 0 [pid 9094] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9095] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9094] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9095] <... futex resumed>) = 0 [pid 9094] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9095] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9095] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9095] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9094] <... futex resumed>) = 0 [pid 9094] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9095] <... futex resumed>) = 0 [pid 9094] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9095] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9095] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9094] <... futex resumed>) = 0 [pid 9094] exit_group(0) = ? [pid 9095] +++ exited with 0 +++ [pid 9094] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9096 attached , child_tidptr=0x555585adc6d0) = 9096 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9096] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9096] <... set_robust_list resumed>) = 0 [pid 9096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9096] setpgid(0, 0) = 0 [ 380.975209][ T9095] EXT4-fs: quotafile must be on filesystem root [pid 9096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9096] write(3, "1000", 4) = 4 [pid 9096] close(3) = 0 [pid 9096] write(1, "executing program\n", 18) = 18 [pid 9096] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9096] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 executing program [pid 9096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9096] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9096] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9097 attached [pid 9097] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9096] <... clone3 resumed> => {parent_tid=[9097]}, 88) = 9097 [pid 9097] <... rseq resumed>) = 0 [pid 9097] set_robust_list(0x7f0c2cd339a0, 24 [pid 9096] rt_sigprocmask(SIG_SETMASK, [] [pid 9097] <... set_robust_list resumed>) = 0 [pid 9096] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9097] rt_sigprocmask(SIG_SETMASK, [] [pid 9096] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9097] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9096] <... futex resumed>) = 0 [pid 9097] memfd_create("syzkaller", 0 [pid 9096] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9097] <... memfd_create resumed>) = 3 [pid 9097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9097] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9097] munmap(0x7f0c24913000, 138412032) = 0 [pid 9097] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9097] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9097] close(3) = 0 [pid 9097] close(4) = 0 [pid 9097] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9097] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9097] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9097] ioctl(3, LOOP_CLR_FD) = 0 [pid 9097] close(3) = 0 [pid 9097] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9097] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9096] <... futex resumed>) = 0 [pid 9096] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9097] <... futex resumed>) = 0 [pid 9096] <... futex resumed>) = 1 [pid 9097] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9096] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9097] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9097] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9097] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9096] <... futex resumed>) = 0 [pid 9096] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9097] <... futex resumed>) = 0 [pid 9096] <... futex resumed>) = 1 [pid 9097] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9096] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9097] <... openat resumed>) = 3 [pid 9097] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9096] <... futex resumed>) = 0 [pid 9097] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9096] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9096] <... futex resumed>) = 0 [pid 9097] pwrite64(3, "\x02\x00", 2, 4 [pid 9096] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9097] <... pwrite64 resumed>) = 2 [pid 9097] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9096] <... futex resumed>) = 0 [pid 9097] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9096] exit_group(0 [pid 9097] <... futex resumed>) = ? [pid 9096] <... exit_group resumed>) = ? [pid 9097] +++ exited with 0 +++ [pid 9096] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 381.071621][ T9097] EXT4-fs: quotafile must be on filesystem root close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9098 attached [pid 9098] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9098] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9098 [pid 9098] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9098] <... prctl resumed>) = 0 [pid 9098] setpgid(0, 0) = 0 [pid 9098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9098] write(3, "1000", 4) = 4 [pid 9098] close(3) = 0 [pid 9098] write(1, "executing program\n", 18) = 18 executing program [pid 9098] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9098] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9098] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9098] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9098] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9099]}, 88) = 9099 ci2-upstream-fs/strace-static-x86_64: Process 9099 attached [pid 9098] rt_sigprocmask(SIG_SETMASK, [] [pid 9099] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9098] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9099] <... rseq resumed>) = 0 [pid 9098] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9099] set_robust_list(0x7f0c2cd339a0, 24 [pid 9098] <... futex resumed>) = 0 [pid 9099] <... set_robust_list resumed>) = 0 [pid 9098] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9099] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9099] memfd_create("syzkaller", 0) = 3 [pid 9099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9099] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9099] munmap(0x7f0c24913000, 138412032) = 0 [pid 9099] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9099] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9099] close(3) = 0 [pid 9099] close(4) = 0 [pid 9099] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9099] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9099] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9099] ioctl(3, LOOP_CLR_FD) = 0 [pid 9099] close(3) = 0 [pid 9099] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9098] <... futex resumed>) = 0 [pid 9098] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9099] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9098] <... futex resumed>) = 0 [pid 9098] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9099] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9099] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9098] <... futex resumed>) = 0 [pid 9099] <... futex resumed>) = 1 [pid 9098] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9099] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9098] <... futex resumed>) = 0 [pid 9098] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9099] <... openat resumed>) = 3 [pid 9099] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9098] <... futex resumed>) = 0 [pid 9099] pwrite64(3, "\x02\x00", 2, 4 [pid 9098] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9099] <... pwrite64 resumed>) = 2 [pid 9098] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9099] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9098] exit_group(0) = ? [pid 9099] <... futex resumed>) = ? [pid 9099] +++ exited with 0 +++ [pid 9098] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9098, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 381.188845][ T9099] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9100 ci2-upstream-fs/strace-static-x86_64: Process 9100 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9100] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9100] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9100] setpgid(0, 0) = 0 [pid 9100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9100] write(3, "1000", 4) = 4 [pid 9100] close(3) = 0 [pid 9100] write(1, "executing program\n", 18) = 18 [pid 9100] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9100] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9100] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 executing program [pid 9100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9100] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9100] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9101 attached => {parent_tid=[9101]}, 88) = 9101 [pid 9101] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9100] rt_sigprocmask(SIG_SETMASK, [] [pid 9101] set_robust_list(0x7f0c2cd339a0, 24 [pid 9100] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9101] <... set_robust_list resumed>) = 0 [pid 9100] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9101] rt_sigprocmask(SIG_SETMASK, [] [pid 9100] <... futex resumed>) = 0 [pid 9101] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9100] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9101] memfd_create("syzkaller", 0) = 3 [pid 9101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9101] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9101] munmap(0x7f0c24913000, 138412032) = 0 [pid 9101] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9101] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9101] close(3) = 0 [pid 9101] close(4) = 0 [pid 9101] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9101] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9101] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9101] ioctl(3, LOOP_CLR_FD) = 0 [pid 9101] close(3) = 0 [pid 9101] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9100] <... futex resumed>) = 0 [pid 9101] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9100] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9101] <... futex resumed>) = 0 [pid 9100] <... futex resumed>) = 1 [pid 9101] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9100] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9101] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9100] <... futex resumed>) = 0 [pid 9100] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9101] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9100] <... futex resumed>) = 0 [pid 9100] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9101] <... openat resumed>) = 3 [pid 9101] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9100] <... futex resumed>) = 0 [pid 9101] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9100] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9100] <... futex resumed>) = 0 [pid 9101] pwrite64(3, "\x02\x00", 2, 4 [pid 9100] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9101] <... pwrite64 resumed>) = 2 [pid 9101] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9100] <... futex resumed>) = 0 [pid 9101] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9100] exit_group(0 [pid 9101] <... futex resumed>) = ? [pid 9100] <... exit_group resumed>) = ? [pid 9101] +++ exited with 0 +++ [pid 9100] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9100, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [ 381.322798][ T9101] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9102 attached , child_tidptr=0x555585adc6d0) = 9102 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9102] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9102] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9102] setpgid(0, 0) = 0 [pid 9102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9102] write(3, "1000", 4) = 4 [pid 9102] close(3) = 0 [pid 9102] write(1, "executing program\n", 18) = 18 executing program [pid 9102] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9102] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9102] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9102] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9103 attached [pid 9103] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9102] <... clone3 resumed> => {parent_tid=[9103]}, 88) = 9103 [pid 9103] <... rseq resumed>) = 0 [pid 9102] rt_sigprocmask(SIG_SETMASK, [] [pid 9103] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9102] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9103] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9103] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9102] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9102] <... futex resumed>) = 0 [pid 9103] memfd_create("syzkaller", 0) = 3 [pid 9102] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9103] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9103] munmap(0x7f0c24913000, 138412032) = 0 [pid 9103] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9103] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9103] close(3) = 0 [pid 9103] close(4) = 0 [pid 9103] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9103] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9103] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9103] ioctl(3, LOOP_CLR_FD) = 0 [pid 9103] close(3) = 0 [pid 9103] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9102] <... futex resumed>) = 0 [pid 9103] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9102] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9103] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9102] <... futex resumed>) = 0 [pid 9103] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9102] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9103] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9102] <... futex resumed>) = 0 [pid 9102] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9102] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9103] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9103] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9102] <... futex resumed>) = 0 [pid 9102] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9102] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9103] <... futex resumed>) = 1 [pid 9103] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9103] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9102] <... futex resumed>) = 0 [pid 9102] exit_group(0) = ? [pid 9103] +++ exited with 0 +++ [pid 9102] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9102, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 381.468361][ T9103] EXT4-fs: quotafile must be on filesystem root close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9104 attached , child_tidptr=0x555585adc6d0) = 9104 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9104] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9104] <... set_robust_list resumed>) = 0 [pid 9104] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9104] setpgid(0, 0) = 0 [pid 9104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9104] write(3, "1000", 4) = 4 [pid 9104] close(3) = 0 [pid 9104] write(1, "executing program\n", 18) = 18 executing program [pid 9104] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9104] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9104] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9104] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9104] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9105 attached [pid 9105] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9104] <... clone3 resumed> => {parent_tid=[9105]}, 88) = 9105 [pid 9104] rt_sigprocmask(SIG_SETMASK, [] [pid 9105] <... rseq resumed>) = 0 [pid 9104] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9105] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9104] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9105] rt_sigprocmask(SIG_SETMASK, [] [pid 9104] <... futex resumed>) = 0 [pid 9105] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9105] memfd_create("syzkaller", 0 [pid 9104] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9105] <... memfd_create resumed>) = 3 [pid 9105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9105] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9105] munmap(0x7f0c24913000, 138412032) = 0 [pid 9105] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9105] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9105] close(3) = 0 [pid 9105] close(4) = 0 [pid 9105] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9105] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9105] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9105] ioctl(3, LOOP_CLR_FD) = 0 [pid 9105] close(3) = 0 [pid 9105] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9104] <... futex resumed>) = 0 [pid 9104] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9105] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9104] <... futex resumed>) = 0 [pid 9104] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9105] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9105] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9104] <... futex resumed>) = 0 [pid 9105] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9104] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9104] <... futex resumed>) = 0 [pid 9105] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9104] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9105] <... openat resumed>) = 3 [pid 9105] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9104] <... futex resumed>) = 0 [pid 9105] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9104] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9104] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9105] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9105] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9104] <... futex resumed>) = 0 [pid 9105] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9104] exit_group(0 [pid 9105] <... futex resumed>) = ? [pid 9104] <... exit_group resumed>) = ? [pid 9105] +++ exited with 0 +++ [pid 9104] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9104, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 381.623540][ T9105] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9106 attached , child_tidptr=0x555585adc6d0) = 9106 [pid 9106] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9106] <... set_robust_list resumed>) = 0 [pid 9106] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9106] setpgid(0, 0) = 0 [pid 9106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9106] write(3, "1000", 4) = 4 [pid 9106] close(3) = 0 [pid 9106] write(1, "executing program\n", 18) = 18 executing program [pid 9106] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9106] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9106] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9106] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9106] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9106] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9107 attached => {parent_tid=[9107]}, 88) = 9107 [pid 9106] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9106] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9107] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9106] <... futex resumed>) = 0 [pid 9107] <... rseq resumed>) = 0 [pid 9106] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9107] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9107] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9107] memfd_create("syzkaller", 0) = 3 [pid 9107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9107] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9107] munmap(0x7f0c24913000, 138412032) = 0 [pid 9107] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9107] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9107] close(3) = 0 [pid 9107] close(4) = 0 [pid 9107] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9107] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9107] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9107] ioctl(3, LOOP_CLR_FD) = 0 [pid 9107] close(3) = 0 [pid 9107] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9106] <... futex resumed>) = 0 [pid 9107] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9106] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9107] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9106] <... futex resumed>) = 0 [pid 9107] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9106] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9107] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9106] <... futex resumed>) = 0 [pid 9106] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9107] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9106] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9107] <... openat resumed>) = 3 [pid 9107] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9106] <... futex resumed>) = 0 [pid 9107] <... futex resumed>) = 1 [pid 9106] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9107] pwrite64(3, "\x02\x00", 2, 4 [pid 9106] <... futex resumed>) = 0 [pid 9106] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9107] <... pwrite64 resumed>) = 2 [pid 9107] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9106] <... futex resumed>) = 0 [pid 9107] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9106] exit_group(0) = ? [pid 9107] <... futex resumed>) = ? [pid 9107] +++ exited with 0 +++ [pid 9106] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9106, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9108 attached , child_tidptr=0x555585adc6d0) = 9108 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9108] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9108] <... set_robust_list resumed>) = 0 [pid 9108] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9108] setpgid(0, 0) = 0 [pid 9108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9108] write(3, "1000", 4) = 4 [pid 9108] close(3) = 0 executing program [pid 9108] write(1, "executing program\n", 18) = 18 [pid 9108] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9108] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9108] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 381.742618][ T9107] EXT4-fs: quotafile must be on filesystem root [pid 9108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9108] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9108] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9109 attached [pid 9109] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9108] <... clone3 resumed> => {parent_tid=[9109]}, 88) = 9109 [pid 9109] set_robust_list(0x7f0c2cd339a0, 24 [pid 9108] rt_sigprocmask(SIG_SETMASK, [] [pid 9109] <... set_robust_list resumed>) = 0 [pid 9108] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9109] rt_sigprocmask(SIG_SETMASK, [] [pid 9108] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9109] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9108] <... futex resumed>) = 0 [pid 9109] memfd_create("syzkaller", 0) = 3 [pid 9108] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9109] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9109] munmap(0x7f0c24913000, 138412032) = 0 [pid 9109] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9109] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9109] close(3) = 0 [pid 9109] close(4) = 0 [pid 9109] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9109] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9109] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9109] ioctl(3, LOOP_CLR_FD) = 0 [pid 9109] close(3) = 0 [pid 9109] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9108] <... futex resumed>) = 0 [pid 9109] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9108] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9108] <... futex resumed>) = 0 [pid 9109] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9108] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9109] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9109] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9109] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9108] <... futex resumed>) = 0 [pid 9108] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9108] <... futex resumed>) = 0 [pid 9109] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9108] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9109] <... openat resumed>) = 3 [pid 9109] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9108] <... futex resumed>) = 0 [pid 9109] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9108] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9108] <... futex resumed>) = 0 [pid 9109] pwrite64(3, "\x02\x00", 2, 4 [pid 9108] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9109] <... pwrite64 resumed>) = 2 [pid 9109] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9108] <... futex resumed>) = 0 [pid 9109] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9108] exit_group(0 [pid 9109] <... futex resumed>) = ? [ 381.850947][ T9109] EXT4-fs: quotafile must be on filesystem root [pid 9108] <... exit_group resumed>) = ? [pid 9109] +++ exited with 0 +++ [pid 9108] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9108, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9110 attached , child_tidptr=0x555585adc6d0) = 9110 [pid 9110] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9110] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9110] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9110] setpgid(0, 0) = 0 [pid 9110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9110] write(3, "1000", 4) = 4 [pid 9110] close(3) = 0 executing program [pid 9110] write(1, "executing program\n", 18) = 18 [pid 9110] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9110] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9110] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9110] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9110] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9110] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9111 attached => {parent_tid=[9111]}, 88) = 9111 [pid 9111] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9110] rt_sigprocmask(SIG_SETMASK, [] [pid 9111] set_robust_list(0x7f0c2cd339a0, 24 [pid 9110] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9111] <... set_robust_list resumed>) = 0 [pid 9110] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9111] rt_sigprocmask(SIG_SETMASK, [] [pid 9110] <... futex resumed>) = 0 [pid 9111] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9110] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9111] memfd_create("syzkaller", 0) = 3 [pid 9111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9111] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9111] munmap(0x7f0c24913000, 138412032) = 0 [pid 9111] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9111] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9111] close(3) = 0 [pid 9111] close(4) = 0 [pid 9111] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9111] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9111] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9111] ioctl(3, LOOP_CLR_FD) = 0 [pid 9111] close(3) = 0 [pid 9111] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9111] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9110] <... futex resumed>) = 0 [pid 9110] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9111] <... futex resumed>) = 0 [pid 9110] <... futex resumed>) = 1 [pid 9111] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9110] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9111] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9111] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9111] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9110] <... futex resumed>) = 0 [pid 9111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9110] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9111] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9110] <... futex resumed>) = 0 [pid 9110] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9111] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9110] <... futex resumed>) = 0 [pid 9110] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9111] pwrite64(3, "\x02\x00", 2, 4 [pid 9110] <... futex resumed>) = 0 [pid 9111] <... pwrite64 resumed>) = 2 [pid 9110] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9111] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9110] <... futex resumed>) = 0 [pid 9111] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9110] exit_group(0) = ? [pid 9111] <... futex resumed>) = ? [pid 9111] +++ exited with 0 +++ [pid 9110] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9110, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9112 attached , child_tidptr=0x555585adc6d0) = 9112 [pid 9112] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9112] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9112] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9112] setpgid(0, 0) = 0 [pid 9112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9112] write(3, "1000", 4) = 4 [pid 9112] close(3) = 0 executing program [pid 9112] write(1, "executing program\n", 18) = 18 [pid 9112] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9112] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [ 382.047422][ T9111] EXT4-fs: quotafile must be on filesystem root [pid 9112] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9112] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9112] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9113 attached => {parent_tid=[9113]}, 88) = 9113 [pid 9113] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9112] rt_sigprocmask(SIG_SETMASK, [] [pid 9113] <... rseq resumed>) = 0 [pid 9112] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9113] set_robust_list(0x7f0c2cd339a0, 24 [pid 9112] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9113] <... set_robust_list resumed>) = 0 [pid 9113] rt_sigprocmask(SIG_SETMASK, [] [pid 9112] <... futex resumed>) = 0 [pid 9113] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9112] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9113] memfd_create("syzkaller", 0) = 3 [pid 9113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9113] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9113] munmap(0x7f0c24913000, 138412032) = 0 [pid 9113] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9113] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9113] close(3) = 0 [pid 9113] close(4) = 0 [pid 9113] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9113] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9113] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9113] ioctl(3, LOOP_CLR_FD) = 0 [pid 9113] close(3) = 0 [pid 9113] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9112] <... futex resumed>) = 0 [pid 9113] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9112] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9112] <... futex resumed>) = 0 [pid 9113] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9112] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9113] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9113] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9112] <... futex resumed>) = 0 [pid 9113] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9112] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9113] <... openat resumed>) = 3 [pid 9112] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9113] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9112] <... futex resumed>) = 0 [pid 9113] <... futex resumed>) = 1 [pid 9112] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9113] pwrite64(3, "\x02\x00", 2, 4 [pid 9112] <... futex resumed>) = 0 [pid 9113] <... pwrite64 resumed>) = 2 [pid 9112] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9113] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9113] <... futex resumed>) = 0 [pid 9112] exit_group(0 [pid 9113] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9112] <... exit_group resumed>) = ? [pid 9113] +++ exited with 0 +++ [pid 9112] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9114 ci2-upstream-fs/strace-static-x86_64: Process 9114 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9114] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9114] <... set_robust_list resumed>) = 0 [pid 9114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9114] setpgid(0, 0) = 0 [ 382.144867][ T9113] EXT4-fs: quotafile must be on filesystem root [pid 9114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9114] write(3, "1000", 4) = 4 [pid 9114] close(3) = 0 [pid 9114] write(1, "executing program\n", 18) = 18 [pid 9114] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9114] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 executing program [pid 9114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9114] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9114] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9115 attached => {parent_tid=[9115]}, 88) = 9115 [pid 9115] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9114] rt_sigprocmask(SIG_SETMASK, [] [pid 9115] <... rseq resumed>) = 0 [pid 9114] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9115] set_robust_list(0x7f0c2cd339a0, 24 [pid 9114] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9115] <... set_robust_list resumed>) = 0 [pid 9115] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9114] <... futex resumed>) = 0 [pid 9115] memfd_create("syzkaller", 0 [pid 9114] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9115] <... memfd_create resumed>) = 3 [pid 9115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9115] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9115] munmap(0x7f0c24913000, 138412032) = 0 [pid 9115] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9115] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9115] close(3) = 0 [pid 9115] close(4) = 0 [pid 9115] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9115] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9115] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9115] ioctl(3, LOOP_CLR_FD) = 0 [pid 9115] close(3) = 0 [pid 9115] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9114] <... futex resumed>) = 0 [pid 9115] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9114] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9114] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9115] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9115] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9115] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9114] <... futex resumed>) = 0 [pid 9114] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9114] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9115] <... futex resumed>) = 0 [pid 9115] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9115] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9114] <... futex resumed>) = 0 [pid 9115] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9114] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9115] <... futex resumed>) = 0 [pid 9115] pwrite64(3, "\x02\x00", 2, 4 [pid 9114] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9115] <... pwrite64 resumed>) = 2 [pid 9115] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9114] <... futex resumed>) = 0 [pid 9115] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9114] exit_group(0) = ? [pid 9115] <... futex resumed>) = ? [pid 9115] +++ exited with 0 +++ [pid 9114] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9114, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9116 attached [pid 9116] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9116 [pid 9116] <... set_robust_list resumed>) = 0 [ 382.266227][ T9115] EXT4-fs: quotafile must be on filesystem root [pid 9116] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9116] setpgid(0, 0) = 0 [pid 9116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9116] write(3, "1000", 4) = 4 [pid 9116] close(3) = 0 [pid 9116] write(1, "executing program\n", 18) = 18 executing program [pid 9116] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9116] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9116] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9116] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9116] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9117 attached [pid 9117] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9116] <... clone3 resumed> => {parent_tid=[9117]}, 88) = 9117 [pid 9117] <... rseq resumed>) = 0 [pid 9116] rt_sigprocmask(SIG_SETMASK, [] [pid 9117] set_robust_list(0x7f0c2cd339a0, 24 [pid 9116] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9117] <... set_robust_list resumed>) = 0 [pid 9116] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9116] <... futex resumed>) = 0 [pid 9117] memfd_create("syzkaller", 0 [pid 9116] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9117] <... memfd_create resumed>) = 3 [pid 9117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9117] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9117] munmap(0x7f0c24913000, 138412032) = 0 [pid 9117] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9117] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9117] close(3) = 0 [pid 9117] close(4) = 0 [pid 9117] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9117] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9117] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9117] ioctl(3, LOOP_CLR_FD) = 0 [pid 9117] close(3) = 0 [pid 9117] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9116] <... futex resumed>) = 0 [pid 9117] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9116] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9116] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9117] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9117] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9116] <... futex resumed>) = 0 [pid 9116] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9116] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9117] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9117] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9116] <... futex resumed>) = 0 [pid 9117] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9116] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9116] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9117] <... futex resumed>) = 0 [pid 9117] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9117] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9116] <... futex resumed>) = 0 [pid 9117] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9116] exit_group(0) = ? [pid 9117] <... futex resumed>) = ? [pid 9117] +++ exited with 0 +++ [pid 9116] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9118 attached , child_tidptr=0x555585adc6d0) = 9118 [ 382.355105][ T9117] EXT4-fs: quotafile must be on filesystem root [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9118] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9118] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9118] setpgid(0, 0) = 0 [pid 9118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9118] write(3, "1000", 4) = 4 [pid 9118] close(3) = 0 executing program [pid 9118] write(1, "executing program\n", 18) = 18 [pid 9118] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9118] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9118] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9118] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9118] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9118] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9119 attached [pid 9119] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9118] <... clone3 resumed> => {parent_tid=[9119]}, 88) = 9119 [pid 9119] <... rseq resumed>) = 0 [pid 9119] set_robust_list(0x7f0c2cd339a0, 24 [pid 9118] rt_sigprocmask(SIG_SETMASK, [] [pid 9119] <... set_robust_list resumed>) = 0 [pid 9118] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9119] rt_sigprocmask(SIG_SETMASK, [] [pid 9118] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9119] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9118] <... futex resumed>) = 0 [pid 9119] memfd_create("syzkaller", 0 [pid 9118] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9119] <... memfd_create resumed>) = 3 [pid 9119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9119] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9119] munmap(0x7f0c24913000, 138412032) = 0 [pid 9119] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9119] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9119] close(3) = 0 [pid 9119] close(4) = 0 [pid 9119] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9119] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9119] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9119] ioctl(3, LOOP_CLR_FD) = 0 [pid 9119] close(3) = 0 [pid 9119] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9118] <... futex resumed>) = 0 [pid 9118] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9119] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9118] <... futex resumed>) = 0 [pid 9118] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9119] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9119] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9118] <... futex resumed>) = 0 [pid 9118] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9119] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9118] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9119] <... openat resumed>) = 3 [pid 9119] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9118] <... futex resumed>) = 0 [pid 9118] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9119] pwrite64(3, "\x02\x00", 2, 4 [pid 9118] <... futex resumed>) = 0 [pid 9118] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9119] <... pwrite64 resumed>) = 2 [pid 9119] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9118] <... futex resumed>) = 0 [pid 9119] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9118] exit_group(0) = ? [pid 9119] <... futex resumed>) = ? [pid 9119] +++ exited with 0 +++ [pid 9118] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9118, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9120 attached , child_tidptr=0x555585adc6d0) = 9120 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9120] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9120] <... set_robust_list resumed>) = 0 [ 382.473761][ T9119] EXT4-fs: quotafile must be on filesystem root [pid 9120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9120] setpgid(0, 0) = 0 [pid 9120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9120] write(3, "1000", 4) = 4 [pid 9120] close(3) = 0 [pid 9120] write(1, "executing program\n", 18) = 18 executing program [pid 9120] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9120] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9120] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9120] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9120] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9121 attached [pid 9121] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9120] <... clone3 resumed> => {parent_tid=[9121]}, 88) = 9121 [pid 9120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9121] <... rseq resumed>) = 0 [pid 9121] set_robust_list(0x7f0c2cd339a0, 24 [pid 9120] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9121] <... set_robust_list resumed>) = 0 [pid 9120] <... futex resumed>) = 0 [pid 9121] rt_sigprocmask(SIG_SETMASK, [] [pid 9120] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9121] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9121] memfd_create("syzkaller", 0) = 3 [pid 9121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9121] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9121] munmap(0x7f0c24913000, 138412032) = 0 [pid 9121] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9121] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9121] close(3) = 0 [pid 9121] close(4) = 0 [pid 9121] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9121] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9121] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9121] ioctl(3, LOOP_CLR_FD) = 0 [pid 9121] close(3) = 0 [pid 9121] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9120] <... futex resumed>) = 0 [pid 9121] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9120] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9120] <... futex resumed>) = 0 [pid 9120] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9121] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9121] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9120] <... futex resumed>) = 0 [pid 9120] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9120] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9121] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9121] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9120] <... futex resumed>) = 0 [pid 9120] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9120] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9121] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9121] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9120] <... futex resumed>) = 0 [pid 9121] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9120] exit_group(0 [pid 9121] <... futex resumed>) = ? [pid 9120] <... exit_group resumed>) = ? [pid 9121] +++ exited with 0 +++ [pid 9120] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 382.588184][ T9121] set_capacity_and_notify: 34 callbacks suppressed [ 382.588252][ T9121] loop0: detected capacity change from 0 to 512 [ 382.605409][ T9121] EXT4-fs: quotafile must be on filesystem root ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9122 attached , child_tidptr=0x555585adc6d0) = 9122 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9122] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9122] <... set_robust_list resumed>) = 0 [pid 9122] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9122] setpgid(0, 0) = 0 [pid 9122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9122] write(3, "1000", 4) = 4 [pid 9122] close(3) = 0 executing program [pid 9122] write(1, "executing program\n", 18) = 18 [pid 9122] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9122] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9122] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9122] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9122] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9123]}, 88) = 9123 [pid 9122] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 9123 attached [pid 9122] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9122] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9123] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9123] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9123] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9123] memfd_create("syzkaller", 0) = 3 [pid 9123] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9123] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9123] munmap(0x7f0c24913000, 138412032) = 0 [pid 9123] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9123] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9123] close(3) = 0 [pid 9123] close(4) = 0 [pid 9123] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9123] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9123] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9123] ioctl(3, LOOP_CLR_FD) = 0 [pid 9123] close(3) = 0 [pid 9123] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9122] <... futex resumed>) = 0 [pid 9123] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9122] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9122] <... futex resumed>) = 0 [pid 9123] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9122] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9123] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9123] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9122] <... futex resumed>) = 0 [pid 9123] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9122] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9122] <... futex resumed>) = 0 [pid 9123] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9122] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9123] <... openat resumed>) = 3 [pid 9123] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9122] <... futex resumed>) = 0 [pid 9123] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9122] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9122] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9123] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9123] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9122] <... futex resumed>) = 0 [pid 9123] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9122] exit_group(0 [pid 9123] <... futex resumed>) = ? [pid 9122] <... exit_group resumed>) = ? [pid 9123] +++ exited with 0 +++ [pid 9122] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9124 attached , child_tidptr=0x555585adc6d0) = 9124 [pid 9124] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9124] setpgid(0, 0) = 0 [pid 9124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9124] write(3, "1000", 4) = 4 [ 382.705310][ T9123] loop0: detected capacity change from 0 to 512 [ 382.714093][ T9123] EXT4-fs: quotafile must be on filesystem root [pid 9124] close(3) = 0 [pid 9124] write(1, "executing program\n", 18) = 18 executing program [pid 9124] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9124] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9124] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9124] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9124] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9125 attached => {parent_tid=[9125]}, 88) = 9125 [pid 9125] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9124] rt_sigprocmask(SIG_SETMASK, [] [pid 9125] <... rseq resumed>) = 0 [pid 9125] set_robust_list(0x7f0c2cd339a0, 24 [pid 9124] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9125] <... set_robust_list resumed>) = 0 [pid 9124] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9125] rt_sigprocmask(SIG_SETMASK, [] [pid 9124] <... futex resumed>) = 0 [pid 9124] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9125] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9125] memfd_create("syzkaller", 0) = 3 [pid 9125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9125] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9125] munmap(0x7f0c24913000, 138412032) = 0 [pid 9125] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9125] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9125] close(3) = 0 [pid 9125] close(4) = 0 [pid 9125] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9125] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9125] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9125] ioctl(3, LOOP_CLR_FD) = 0 [pid 9125] close(3) = 0 [pid 9125] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9124] <... futex resumed>) = 0 [pid 9124] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9125] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9124] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9125] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9125] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9124] <... futex resumed>) = 0 [pid 9125] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9124] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9125] <... futex resumed>) = 0 [pid 9124] <... futex resumed>) = 1 [pid 9125] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9124] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9125] <... openat resumed>) = 3 [pid 9125] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9124] <... futex resumed>) = 0 [pid 9125] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9124] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9125] <... futex resumed>) = 0 [pid 9124] <... futex resumed>) = 1 [pid 9125] pwrite64(3, "\x02\x00", 2, 4 [pid 9124] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9125] <... pwrite64 resumed>) = 2 [pid 9125] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9124] <... futex resumed>) = 0 [pid 9124] exit_group(0) = ? [pid 9125] +++ exited with 0 +++ [pid 9124] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9124, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [ 382.802105][ T9125] loop0: detected capacity change from 0 to 512 [ 382.821117][ T9125] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9126 attached , child_tidptr=0x555585adc6d0) = 9126 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9126] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9126] <... set_robust_list resumed>) = 0 [pid 9126] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9126] setpgid(0, 0) = 0 [pid 9126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9126] write(3, "1000", 4) = 4 [pid 9126] close(3) = 0 executing program [pid 9126] write(1, "executing program\n", 18) = 18 [pid 9126] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9126] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9126] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9126] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9126] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9127]}, 88) = 9127 ci2-upstream-fs/strace-static-x86_64: Process 9127 attached [pid 9126] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9127] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9126] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9127] set_robust_list(0x7f0c2cd339a0, 24 [pid 9126] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9127] <... set_robust_list resumed>) = 0 [pid 9127] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9127] memfd_create("syzkaller", 0) = 3 [pid 9127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9127] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9127] munmap(0x7f0c24913000, 138412032) = 0 [pid 9127] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9127] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9127] close(3) = 0 [pid 9127] close(4) = 0 [pid 9127] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9127] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9127] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9127] ioctl(3, LOOP_CLR_FD) = 0 [pid 9127] close(3) = 0 [pid 9127] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9126] <... futex resumed>) = 0 [pid 9127] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9126] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9127] <... futex resumed>) = 0 [pid 9126] <... futex resumed>) = 1 [pid 9127] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9126] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9127] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9126] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9127] <... futex resumed>) = 0 [pid 9126] <... futex resumed>) = 0 [pid 9127] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9127] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9126] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9127] <... futex resumed>) = 0 [pid 9126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9127] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9126] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9127] pwrite64(3, "\x02\x00", 2, 4 [pid 9126] <... futex resumed>) = 0 [pid 9127] <... pwrite64 resumed>) = 2 [ 382.927039][ T9127] loop0: detected capacity change from 0 to 512 [ 382.935784][ T9127] EXT4-fs: quotafile must be on filesystem root [pid 9126] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9127] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9127] <... futex resumed>) = 0 [pid 9127] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9126] exit_group(0) = ? [pid 9127] <... futex resumed>) = ? [pid 9127] +++ exited with 0 +++ [pid 9126] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9128 attached , child_tidptr=0x555585adc6d0) = 9128 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9128] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9128] <... set_robust_list resumed>) = 0 [pid 9128] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9128] setpgid(0, 0) = 0 [pid 9128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9128] write(3, "1000", 4) = 4 [pid 9128] close(3) = 0 executing program [pid 9128] write(1, "executing program\n", 18) = 18 [pid 9128] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9128] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9128] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9128] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9128] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9128] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9129 attached => {parent_tid=[9129]}, 88) = 9129 [pid 9129] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9128] rt_sigprocmask(SIG_SETMASK, [] [pid 9129] <... rseq resumed>) = 0 [pid 9128] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9129] set_robust_list(0x7f0c2cd339a0, 24 [pid 9128] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9128] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9129] <... set_robust_list resumed>) = 0 [pid 9129] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9129] memfd_create("syzkaller", 0) = 3 [pid 9129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9129] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9129] munmap(0x7f0c24913000, 138412032) = 0 [pid 9129] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9129] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9129] close(3) = 0 [pid 9129] close(4) = 0 [pid 9129] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9129] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9129] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9129] ioctl(3, LOOP_CLR_FD) = 0 [pid 9129] close(3) = 0 [pid 9129] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9128] <... futex resumed>) = 0 [pid 9129] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9128] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9128] <... futex resumed>) = 0 [pid 9128] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9129] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9129] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9128] <... futex resumed>) = 0 [pid 9128] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9128] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9129] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9129] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9128] <... futex resumed>) = 0 [pid 9129] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9128] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9129] pwrite64(3, "\x02\x00", 2, 4 [pid 9128] <... futex resumed>) = 0 [pid 9128] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9129] <... pwrite64 resumed>) = 2 [pid 9129] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9128] <... futex resumed>) = 0 [pid 9128] exit_group(0) = ? [pid 9129] +++ exited with 0 +++ [pid 9128] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9128, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9130 attached , child_tidptr=0x555585adc6d0) = 9130 [pid 9130] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9130] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9130] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 383.070419][ T9129] loop0: detected capacity change from 0 to 512 [ 383.078487][ T9129] EXT4-fs: quotafile must be on filesystem root [pid 9130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9130] setpgid(0, 0) = 0 [pid 9130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9130] write(3, "1000", 4) = 4 [pid 9130] close(3) = 0 [pid 9130] write(1, "executing program\n", 18) = 18 executing program [pid 9130] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9130] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9130] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9130] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9130] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9131 attached => {parent_tid=[9131]}, 88) = 9131 [pid 9131] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9130] rt_sigprocmask(SIG_SETMASK, [] [pid 9131] <... rseq resumed>) = 0 [pid 9130] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9130] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9131] set_robust_list(0x7f0c2cd339a0, 24 [pid 9130] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9131] <... set_robust_list resumed>) = 0 [pid 9131] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9131] memfd_create("syzkaller", 0) = 3 [pid 9131] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9131] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9131] munmap(0x7f0c24913000, 138412032) = 0 [pid 9131] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9131] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9131] close(3) = 0 [pid 9131] close(4) = 0 [pid 9131] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9131] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9131] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9131] ioctl(3, LOOP_CLR_FD) = 0 [pid 9131] close(3) = 0 [pid 9131] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9131] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9130] <... futex resumed>) = 0 [pid 9130] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9131] <... futex resumed>) = 0 [pid 9130] <... futex resumed>) = 1 [pid 9131] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9130] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9131] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9131] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9130] <... futex resumed>) = 0 [pid 9131] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9130] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9130] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9131] <... futex resumed>) = 0 [pid 9131] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9131] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9130] <... futex resumed>) = 0 [pid 9131] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9130] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9131] <... futex resumed>) = 0 [pid 9130] <... futex resumed>) = 1 [pid 9131] pwrite64(3, "\x02\x00", 2, 4 [pid 9130] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9131] <... pwrite64 resumed>) = 2 [pid 9131] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9130] <... futex resumed>) = 0 [pid 9130] exit_group(0) = ? [pid 9131] +++ exited with 0 +++ [pid 9130] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9130, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 383.158140][ T9131] loop0: detected capacity change from 0 to 512 [ 383.179312][ T9131] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9132 attached , child_tidptr=0x555585adc6d0) = 9132 [pid 9132] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9132] <... set_robust_list resumed>) = 0 [pid 9132] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9132] setpgid(0, 0) = 0 [pid 9132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9132] write(3, "1000", 4) = 4 [pid 9132] close(3) = 0 executing program [pid 9132] write(1, "executing program\n", 18) = 18 [pid 9132] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9132] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9132] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9132] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9132] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9132] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9133 attached [pid 9133] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9132] <... clone3 resumed> => {parent_tid=[9133]}, 88) = 9133 [pid 9133] <... rseq resumed>) = 0 [pid 9133] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9132] rt_sigprocmask(SIG_SETMASK, [] [pid 9133] rt_sigprocmask(SIG_SETMASK, [] [pid 9132] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9133] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9132] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9133] memfd_create("syzkaller", 0 [pid 9132] <... futex resumed>) = 0 [pid 9133] <... memfd_create resumed>) = 3 [pid 9132] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9133] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9133] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9133] munmap(0x7f0c24913000, 138412032) = 0 [pid 9133] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9133] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9133] close(3) = 0 [pid 9133] close(4) = 0 [pid 9133] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9133] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9133] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9133] ioctl(3, LOOP_CLR_FD) = 0 [pid 9133] close(3) = 0 [pid 9133] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9132] <... futex resumed>) = 0 [pid 9132] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9132] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9133] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9133] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9132] <... futex resumed>) = 0 [pid 9133] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9132] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9132] <... futex resumed>) = 0 [pid 9133] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9132] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9133] <... openat resumed>) = 3 [pid 9133] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9132] <... futex resumed>) = 0 [pid 9133] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9132] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9132] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9133] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9133] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9132] <... futex resumed>) = 0 [pid 9133] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9132] exit_group(0 [pid 9133] <... futex resumed>) = ? [pid 9132] <... exit_group resumed>) = ? [pid 9133] +++ exited with 0 +++ [pid 9132] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9134 attached , child_tidptr=0x555585adc6d0) = 9134 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9134] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9134] <... set_robust_list resumed>) = 0 [pid 9134] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9134] setpgid(0, 0) = 0 [ 383.279052][ T9133] loop0: detected capacity change from 0 to 512 [ 383.290947][ T9133] EXT4-fs: quotafile must be on filesystem root [pid 9134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9134] write(3, "1000", 4) = 4 [pid 9134] close(3) = 0 [pid 9134] write(1, "executing program\n", 18) = 18 executing program [pid 9134] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9134] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9134] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9134] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9135 attached [pid 9135] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9134] <... clone3 resumed> => {parent_tid=[9135]}, 88) = 9135 [pid 9135] <... rseq resumed>) = 0 [pid 9135] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9135] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9135] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9134] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9134] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9135] <... futex resumed>) = 0 [pid 9135] memfd_create("syzkaller", 0 [pid 9134] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9135] <... memfd_create resumed>) = 3 [pid 9135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9135] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9135] munmap(0x7f0c24913000, 138412032) = 0 [pid 9135] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9135] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9135] close(3) = 0 [pid 9135] close(4) = 0 [pid 9135] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9135] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9135] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9135] ioctl(3, LOOP_CLR_FD) = 0 [pid 9135] close(3) = 0 [pid 9135] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9135] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9134] <... futex resumed>) = 0 [pid 9134] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9135] <... futex resumed>) = 0 [pid 9134] <... futex resumed>) = 1 [pid 9135] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9134] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9135] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9135] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9135] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9134] <... futex resumed>) = 0 [pid 9134] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9135] <... futex resumed>) = 0 [pid 9134] <... futex resumed>) = 1 [pid 9135] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9134] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9135] <... openat resumed>) = 3 [pid 9135] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9134] <... futex resumed>) = 0 [pid 9135] pwrite64(3, "\x02\x00", 2, 4 [pid 9134] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9135] <... pwrite64 resumed>) = 2 [pid 9134] <... futex resumed>) = 0 [pid 9135] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9134] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9135] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9134] exit_group(0 [pid 9135] <... futex resumed>) = ? [pid 9134] <... exit_group resumed>) = ? [pid 9135] +++ exited with 0 +++ [pid 9134] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9136 attached , child_tidptr=0x555585adc6d0) = 9136 [ 383.366858][ T9135] loop0: detected capacity change from 0 to 512 [ 383.376113][ T9135] EXT4-fs: quotafile must be on filesystem root [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9136] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9136] <... set_robust_list resumed>) = 0 [pid 9136] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9136] setpgid(0, 0) = 0 [pid 9136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9136] write(3, "1000", 4) = 4 [pid 9136] close(3) = 0 [pid 9136] write(1, "executing program\n", 18) = 18 executing program [pid 9136] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9136] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9136] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9136] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9137 attached [pid 9137] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9137] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9137] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9136] <... clone3 resumed> => {parent_tid=[9137]}, 88) = 9137 [pid 9137] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9136] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9136] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9137] <... futex resumed>) = 0 [pid 9136] <... futex resumed>) = 1 [pid 9136] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9137] memfd_create("syzkaller", 0) = 3 [pid 9137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9137] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9137] munmap(0x7f0c24913000, 138412032) = 0 [pid 9137] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9137] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9137] close(3) = 0 [pid 9137] close(4) = 0 [pid 9137] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9137] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9137] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9137] ioctl(3, LOOP_CLR_FD) = 0 [pid 9137] close(3) = 0 [pid 9137] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9136] <... futex resumed>) = 0 [pid 9137] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9136] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9136] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9137] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9137] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9136] <... futex resumed>) = 0 [pid 9136] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9136] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9137] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9137] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9136] <... futex resumed>) = 0 [pid 9137] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9136] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9136] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9137] <... futex resumed>) = 0 [pid 9137] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9137] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9136] <... futex resumed>) = 0 [pid 9137] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9136] exit_group(0 [pid 9137] <... futex resumed>) = ? [pid 9136] <... exit_group resumed>) = ? [pid 9137] +++ exited with 0 +++ [pid 9136] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9136, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 383.471229][ T9137] loop0: detected capacity change from 0 to 512 [ 383.482027][ T9137] EXT4-fs: quotafile must be on filesystem root close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9138 attached , child_tidptr=0x555585adc6d0) = 9138 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9138] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9138] <... set_robust_list resumed>) = 0 [pid 9138] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9138] setpgid(0, 0) = 0 [pid 9138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9138] write(3, "1000", 4) = 4 [pid 9138] close(3) = 0 executing program [pid 9138] write(1, "executing program\n", 18) = 18 [pid 9138] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9138] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9138] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9138] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9138] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9139 attached => {parent_tid=[9139]}, 88) = 9139 [pid 9138] rt_sigprocmask(SIG_SETMASK, [] [pid 9139] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9138] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9139] <... rseq resumed>) = 0 [pid 9138] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9139] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9138] <... futex resumed>) = 0 [pid 9138] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9139] memfd_create("syzkaller", 0) = 3 [pid 9139] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9139] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9139] munmap(0x7f0c24913000, 138412032) = 0 [pid 9139] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9139] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9139] close(3) = 0 [pid 9139] close(4) = 0 [pid 9139] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9139] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9139] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9139] ioctl(3, LOOP_CLR_FD) = 0 [pid 9139] close(3) = 0 [pid 9139] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9139] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9138] <... futex resumed>) = 0 [pid 9138] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9139] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9138] <... futex resumed>) = 0 [pid 9138] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9139] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9139] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9138] <... futex resumed>) = 0 [pid 9138] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9139] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9138] <... futex resumed>) = 0 [pid 9138] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9139] <... openat resumed>) = 3 [pid 9139] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9138] <... futex resumed>) = 0 [pid 9139] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9138] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9138] <... futex resumed>) = 0 [pid 9138] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9139] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9139] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9139] <... futex resumed>) = 0 [ 383.614065][ T9139] loop0: detected capacity change from 0 to 512 [ 383.629281][ T9139] EXT4-fs: quotafile must be on filesystem root [pid 9138] exit_group(0) = ? [pid 9139] +++ exited with 0 +++ [pid 9138] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9138, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9140 attached , child_tidptr=0x555585adc6d0) = 9140 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9140] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9140] <... set_robust_list resumed>) = 0 [pid 9140] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9140] setpgid(0, 0) = 0 [pid 9140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9140] write(3, "1000", 4) = 4 [pid 9140] close(3) = 0 executing program [pid 9140] write(1, "executing program\n", 18) = 18 [pid 9140] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9140] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9140] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9140] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9140] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9141 attached [pid 9141] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9140] <... clone3 resumed> => {parent_tid=[9141]}, 88) = 9141 [pid 9141] <... rseq resumed>) = 0 [pid 9140] rt_sigprocmask(SIG_SETMASK, [] [pid 9141] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9141] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9141] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9140] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9140] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9141] <... futex resumed>) = 0 [pid 9140] <... futex resumed>) = 1 [pid 9141] memfd_create("syzkaller", 0 [pid 9140] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9141] <... memfd_create resumed>) = 3 [pid 9141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9141] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9141] munmap(0x7f0c24913000, 138412032) = 0 [pid 9141] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9141] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9141] close(3) = 0 [pid 9141] close(4) = 0 [pid 9141] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9141] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9141] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9141] ioctl(3, LOOP_CLR_FD) = 0 [pid 9141] close(3) = 0 [pid 9141] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9140] <... futex resumed>) = 0 [pid 9141] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9140] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9141] <... futex resumed>) = 0 [pid 9140] <... futex resumed>) = 1 [pid 9141] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9140] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9141] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9141] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9140] <... futex resumed>) = 0 [pid 9141] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9140] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9141] <... openat resumed>) = 3 [pid 9140] <... futex resumed>) = 0 [pid 9140] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9141] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9140] <... futex resumed>) = 0 [pid 9141] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9140] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9140] <... futex resumed>) = 0 [pid 9141] pwrite64(3, "\x02\x00", 2, 4 [pid 9140] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9141] <... pwrite64 resumed>) = 2 [pid 9141] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9140] <... futex resumed>) = 0 [pid 9141] <... futex resumed>) = 1 [pid 9140] exit_group(0 [pid 9141] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9140] <... exit_group resumed>) = ? [pid 9141] <... futex resumed>) = ? [pid 9141] +++ exited with 0 +++ [pid 9140] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9140, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 383.763265][ T9141] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9142 attached [pid 9142] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9142 [pid 9142] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9142] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9142] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9142] setpgid(0, 0) = 0 [pid 9142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9142] write(3, "1000", 4) = 4 [pid 9142] close(3) = 0 executing program [pid 9142] write(1, "executing program\n", 18) = 18 [pid 9142] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9142] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9142] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9142] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9142] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9143]}, 88) = 9143 ci2-upstream-fs/strace-static-x86_64: Process 9143 attached [pid 9142] rt_sigprocmask(SIG_SETMASK, [] [pid 9143] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9142] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9142] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9143] <... rseq resumed>) = 0 [pid 9142] <... futex resumed>) = 0 [pid 9143] set_robust_list(0x7f0c2cd339a0, 24 [pid 9142] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9143] <... set_robust_list resumed>) = 0 [pid 9143] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9143] memfd_create("syzkaller", 0) = 3 [pid 9143] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9143] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9143] munmap(0x7f0c24913000, 138412032) = 0 [pid 9143] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9143] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9143] close(3) = 0 [pid 9143] close(4) = 0 [pid 9143] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9143] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9143] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9143] ioctl(3, LOOP_CLR_FD) = 0 [pid 9143] close(3) = 0 [pid 9143] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9142] <... futex resumed>) = 0 [pid 9143] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9142] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9143] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9142] <... futex resumed>) = 0 [pid 9142] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9143] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9142] <... futex resumed>) = 0 [pid 9142] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9143] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9142] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9143] <... openat resumed>) = 3 [pid 9143] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9142] <... futex resumed>) = 0 [pid 9143] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9142] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9142] <... futex resumed>) = 0 [pid 9143] pwrite64(3, "\x02\x00", 2, 4 [pid 9142] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9143] <... pwrite64 resumed>) = 2 [pid 9143] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9143] <... futex resumed>) = 0 [pid 9143] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9142] exit_group(0 [pid 9143] <... futex resumed>) = ? [pid 9142] <... exit_group resumed>) = ? [pid 9143] +++ exited with 0 +++ [pid 9142] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9142, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9144 attached [ 383.859329][ T9143] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9144 [pid 9144] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9144] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9144] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9144] setpgid(0, 0) = 0 [pid 9144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9144] write(3, "1000", 4) = 4 [pid 9144] close(3) = 0 [pid 9144] write(1, "executing program\n", 18) = 18 executing program [pid 9144] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9144] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9144] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9144] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9144] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9145 attached [pid 9145] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9144] <... clone3 resumed> => {parent_tid=[9145]}, 88) = 9145 [pid 9145] <... rseq resumed>) = 0 [pid 9144] rt_sigprocmask(SIG_SETMASK, [] [pid 9145] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9144] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9145] rt_sigprocmask(SIG_SETMASK, [] [pid 9144] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9145] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9144] <... futex resumed>) = 0 [pid 9144] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9145] memfd_create("syzkaller", 0) = 3 [pid 9145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9145] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9145] munmap(0x7f0c24913000, 138412032) = 0 [pid 9145] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9145] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9145] close(3) = 0 [pid 9145] close(4) = 0 [pid 9145] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9145] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9145] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9145] ioctl(3, LOOP_CLR_FD) = 0 [pid 9145] close(3) = 0 [pid 9145] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9144] <... futex resumed>) = 0 [pid 9145] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9144] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9144] <... futex resumed>) = 0 [pid 9145] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9144] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9145] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9145] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9144] <... futex resumed>) = 0 [pid 9144] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9145] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9144] <... futex resumed>) = 0 [pid 9145] <... openat resumed>) = 3 [pid 9144] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9145] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9144] <... futex resumed>) = 0 [pid 9145] <... futex resumed>) = 1 [pid 9144] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9145] pwrite64(3, "\x02\x00", 2, 4 [pid 9144] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9145] <... pwrite64 resumed>) = 2 [pid 9145] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9144] <... futex resumed>) = 0 [pid 9144] exit_group(0 [pid 9145] ???( [pid 9144] <... exit_group resumed>) = ? [pid 9145] <... ??? resumed>) = ? [pid 9145] +++ exited with 0 +++ [pid 9144] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9146 attached , child_tidptr=0x555585adc6d0) = 9146 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9146] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9146] <... set_robust_list resumed>) = 0 [pid 9146] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9146] setpgid(0, 0) = 0 [pid 9146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9146] write(3, "1000", 4) = 4 [pid 9146] close(3) = 0 [pid 9146] write(1, "executing program\n", 18) = 18 executing program [pid 9146] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9146] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9146] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9146] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9146] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9146] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9147 attached [pid 9147] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9146] <... clone3 resumed> => {parent_tid=[9147]}, 88) = 9147 [pid 9147] <... rseq resumed>) = 0 [pid 9146] rt_sigprocmask(SIG_SETMASK, [] [pid 9147] set_robust_list(0x7f0c2cd339a0, 24 [pid 9146] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9147] <... set_robust_list resumed>) = 0 [pid 9146] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9147] rt_sigprocmask(SIG_SETMASK, [] [ 384.006480][ T9145] EXT4-fs: quotafile must be on filesystem root [pid 9146] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9147] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9147] memfd_create("syzkaller", 0) = 3 [pid 9147] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9147] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9147] munmap(0x7f0c24913000, 138412032) = 0 [pid 9147] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9147] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9147] close(3) = 0 [pid 9147] close(4) = 0 [pid 9147] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9147] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9147] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9147] ioctl(3, LOOP_CLR_FD) = 0 [pid 9147] close(3) = 0 [pid 9147] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9146] <... futex resumed>) = 0 [pid 9147] <... futex resumed>) = 1 [pid 9146] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9147] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9146] <... futex resumed>) = 0 [pid 9147] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9146] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9147] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9146] <... futex resumed>) = 0 [pid 9147] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9146] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9146] <... futex resumed>) = 0 [pid 9147] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9146] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9147] <... openat resumed>) = 3 [pid 9147] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9146] <... futex resumed>) = 0 [pid 9146] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9147] pwrite64(3, "\x02\x00", 2, 4 [pid 9146] <... futex resumed>) = 0 [pid 9147] <... pwrite64 resumed>) = 2 [pid 9146] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9147] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9146] <... futex resumed>) = 0 [pid 9147] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9146] exit_group(0 [pid 9147] <... futex resumed>) = ? [pid 9146] <... exit_group resumed>) = ? [pid 9147] +++ exited with 0 +++ [pid 9146] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9146, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 384.094730][ T9147] EXT4-fs: quotafile must be on filesystem root close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9148 attached [pid 9148] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9148 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9148] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9148] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9148] setpgid(0, 0) = 0 [pid 9148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9148] write(3, "1000", 4) = 4 [pid 9148] close(3) = 0 [pid 9148] write(1, "executing program\n", 18) = 18 executing program [pid 9148] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9148] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9148] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9148] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9148] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9149 attached [pid 9149] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9148] <... clone3 resumed> => {parent_tid=[9149]}, 88) = 9149 [pid 9149] <... rseq resumed>) = 0 [pid 9148] rt_sigprocmask(SIG_SETMASK, [] [pid 9149] set_robust_list(0x7f0c2cd339a0, 24 [pid 9148] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9149] <... set_robust_list resumed>) = 0 [pid 9148] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9149] rt_sigprocmask(SIG_SETMASK, [] [pid 9148] <... futex resumed>) = 0 [pid 9149] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9148] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9149] memfd_create("syzkaller", 0) = 3 [pid 9149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9149] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9149] munmap(0x7f0c24913000, 138412032) = 0 [pid 9149] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9149] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9149] close(3) = 0 [pid 9149] close(4) = 0 [pid 9149] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9149] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9149] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9149] ioctl(3, LOOP_CLR_FD) = 0 [pid 9149] close(3) = 0 [pid 9149] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9148] <... futex resumed>) = 0 [pid 9149] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9148] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9148] <... futex resumed>) = 0 [pid 9149] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9148] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9149] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9149] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9148] <... futex resumed>) = 0 [pid 9149] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9148] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9148] <... futex resumed>) = 0 [pid 9149] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9148] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9149] <... openat resumed>) = 3 [pid 9149] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9148] <... futex resumed>) = 0 [pid 9149] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9148] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9149] pwrite64(3, "\x02\x00", 2, 4 [pid 9148] <... futex resumed>) = 0 [pid 9149] <... pwrite64 resumed>) = 2 [pid 9148] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9149] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9149] <... futex resumed>) = 0 [pid 9149] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9148] exit_group(0 [pid 9149] <... futex resumed>) = ? [pid 9148] <... exit_group resumed>) = ? [pid 9149] +++ exited with 0 +++ [pid 9148] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9148, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9150 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 9150 attached [pid 9150] set_robust_list(0x555585adc6e0, 24) = 0 [ 384.199424][ T9149] EXT4-fs: quotafile must be on filesystem root [pid 9150] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9150] setpgid(0, 0) = 0 [pid 9150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9150] write(3, "1000", 4) = 4 [pid 9150] close(3) = 0 executing program [pid 9150] write(1, "executing program\n", 18) = 18 [pid 9150] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9150] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9150] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9150] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9151 attached [pid 9151] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9150] <... clone3 resumed> => {parent_tid=[9151]}, 88) = 9151 [pid 9151] <... rseq resumed>) = 0 [pid 9150] rt_sigprocmask(SIG_SETMASK, [] [pid 9151] set_robust_list(0x7f0c2cd339a0, 24 [pid 9150] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9151] <... set_robust_list resumed>) = 0 [pid 9151] rt_sigprocmask(SIG_SETMASK, [] [pid 9150] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9151] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9150] <... futex resumed>) = 0 [pid 9151] memfd_create("syzkaller", 0 [pid 9150] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9151] <... memfd_create resumed>) = 3 [pid 9151] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9151] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9151] munmap(0x7f0c24913000, 138412032) = 0 [pid 9151] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9151] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9151] close(3) = 0 [pid 9151] close(4) = 0 [pid 9151] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9151] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9151] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9151] ioctl(3, LOOP_CLR_FD) = 0 [pid 9151] close(3) = 0 [pid 9151] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9150] <... futex resumed>) = 0 [pid 9150] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9151] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9150] <... futex resumed>) = 0 [pid 9151] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9150] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9151] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9150] <... futex resumed>) = 0 [pid 9151] <... futex resumed>) = 1 [pid 9150] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9151] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9150] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9151] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9150] <... futex resumed>) = 0 [pid 9150] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9151] pwrite64(3, "\x02\x00", 2, 4 [pid 9150] <... futex resumed>) = 0 [pid 9151] <... pwrite64 resumed>) = 2 [pid 9150] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9151] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9150] <... futex resumed>) = 0 [pid 9150] exit_group(0) = ? [pid 9151] +++ exited with 0 +++ [ 384.310018][ T9151] EXT4-fs: quotafile must be on filesystem root [pid 9150] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9150, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9152 attached [pid 9152] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9152 [pid 9152] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9152] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9152] setpgid(0, 0) = 0 [pid 9152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9152] write(3, "1000", 4) = 4 [pid 9152] close(3) = 0 [pid 9152] write(1, "executing program\n", 18) = 18 executing program [pid 9152] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9152] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9152] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9152] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9152] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9152] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9153 attached => {parent_tid=[9153]}, 88) = 9153 [pid 9153] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9152] rt_sigprocmask(SIG_SETMASK, [] [pid 9153] <... rseq resumed>) = 0 [pid 9152] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9153] set_robust_list(0x7f0c2cd339a0, 24 [pid 9152] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9153] <... set_robust_list resumed>) = 0 [pid 9153] rt_sigprocmask(SIG_SETMASK, [] [pid 9152] <... futex resumed>) = 0 [pid 9153] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9153] memfd_create("syzkaller", 0 [pid 9152] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9153] <... memfd_create resumed>) = 3 [pid 9153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9153] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9153] munmap(0x7f0c24913000, 138412032) = 0 [pid 9153] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9153] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9153] close(3) = 0 [pid 9153] close(4) = 0 [pid 9153] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9153] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9153] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9153] ioctl(3, LOOP_CLR_FD) = 0 [pid 9153] close(3) = 0 [pid 9153] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9152] <... futex resumed>) = 0 [pid 9153] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9152] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9153] <... futex resumed>) = 0 [pid 9152] <... futex resumed>) = 1 [pid 9153] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9152] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9153] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9153] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9152] <... futex resumed>) = 0 [pid 9152] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9153] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9152] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9153] <... openat resumed>) = 3 [pid 9153] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9152] <... futex resumed>) = 0 [pid 9153] pwrite64(3, "\x02\x00", 2, 4 [pid 9152] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9153] <... pwrite64 resumed>) = 2 [pid 9152] <... futex resumed>) = 0 [pid 9153] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9152] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9153] <... futex resumed>) = 0 [pid 9152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9153] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9152] exit_group(0 [pid 9153] <... futex resumed>) = ? [pid 9152] <... exit_group resumed>) = ? [pid 9153] +++ exited with 0 +++ [pid 9152] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9152, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 384.470540][ T9153] EXT4-fs: quotafile must be on filesystem root close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9154 attached , child_tidptr=0x555585adc6d0) = 9154 [pid 9154] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9154] <... set_robust_list resumed>) = 0 [pid 9154] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9154] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9154] setpgid(0, 0) = 0 [pid 9154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9154] write(3, "1000", 4) = 4 [pid 9154] close(3) = 0 executing program [pid 9154] write(1, "executing program\n", 18) = 18 [pid 9154] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9154] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9154] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9154] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9154] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9154] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9155 attached [pid 9155] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9154] <... clone3 resumed> => {parent_tid=[9155]}, 88) = 9155 [pid 9155] <... rseq resumed>) = 0 [pid 9155] set_robust_list(0x7f0c2cd339a0, 24 [pid 9154] rt_sigprocmask(SIG_SETMASK, [] [pid 9155] <... set_robust_list resumed>) = 0 [pid 9154] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9155] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9154] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9155] memfd_create("syzkaller", 0 [pid 9154] <... futex resumed>) = 0 [pid 9154] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9155] <... memfd_create resumed>) = 3 [pid 9155] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9155] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9155] munmap(0x7f0c24913000, 138412032) = 0 [pid 9155] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9155] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9155] close(3) = 0 [pid 9155] close(4) = 0 [pid 9155] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9155] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9155] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9155] ioctl(3, LOOP_CLR_FD) = 0 [pid 9155] close(3) = 0 [pid 9155] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9154] <... futex resumed>) = 0 [pid 9155] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9154] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9155] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9154] <... futex resumed>) = 0 [pid 9154] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9155] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9155] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9154] <... futex resumed>) = 0 [pid 9154] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9154] <... futex resumed>) = 0 [pid 9155] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9154] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9155] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9154] <... futex resumed>) = 0 [pid 9154] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9155] pwrite64(3, "\x02\x00", 2, 4 [pid 9154] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9155] <... pwrite64 resumed>) = 2 [pid 9155] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9154] <... futex resumed>) = 0 [pid 9155] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9154] exit_group(0 [pid 9155] <... futex resumed>) = ? [pid 9154] <... exit_group resumed>) = ? [pid 9155] +++ exited with 0 +++ [pid 9154] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9156 attached , child_tidptr=0x555585adc6d0) = 9156 [pid 9156] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9156] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 384.623539][ T9155] EXT4-fs: quotafile must be on filesystem root [pid 9156] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9156] setpgid(0, 0) = 0 [pid 9156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9156] write(3, "1000", 4) = 4 [pid 9156] close(3) = 0 executing program [pid 9156] write(1, "executing program\n", 18) = 18 [pid 9156] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9156] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9156] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9156] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9156] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9157 attached => {parent_tid=[9157]}, 88) = 9157 [pid 9157] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9156] rt_sigprocmask(SIG_SETMASK, [] [pid 9157] <... rseq resumed>) = 0 [pid 9156] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9157] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9156] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9157] rt_sigprocmask(SIG_SETMASK, [] [pid 9156] <... futex resumed>) = 0 [pid 9157] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9156] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9157] memfd_create("syzkaller", 0) = 3 [pid 9157] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9157] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9157] munmap(0x7f0c24913000, 138412032) = 0 [pid 9157] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9157] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9157] close(3) = 0 [pid 9157] close(4) = 0 [pid 9157] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9157] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9157] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9157] ioctl(3, LOOP_CLR_FD) = 0 [pid 9157] close(3) = 0 [pid 9157] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9156] <... futex resumed>) = 0 [pid 9157] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9156] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9156] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9157] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9157] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9156] <... futex resumed>) = 0 [pid 9157] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9156] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9156] <... futex resumed>) = 0 [pid 9157] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9156] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9157] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9157] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9156] <... futex resumed>) = 0 [pid 9157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9156] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9157] pwrite64(3, "\x02\x00", 2, 4 [pid 9156] <... futex resumed>) = 0 [pid 9157] <... pwrite64 resumed>) = 2 [pid 9156] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9157] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9156] <... futex resumed>) = 0 [pid 9157] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9156] exit_group(0 [pid 9157] <... futex resumed>) = ? [pid 9156] <... exit_group resumed>) = ? [pid 9157] +++ exited with 0 +++ [pid 9156] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 384.738248][ T9157] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9158 attached , child_tidptr=0x555585adc6d0) = 9158 [pid 9158] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9158] <... set_robust_list resumed>) = 0 [pid 9158] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9158] setpgid(0, 0) = 0 [pid 9158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9158] write(3, "1000", 4) = 4 [pid 9158] close(3) = 0 [pid 9158] write(1, "executing program\n", 18) = 18 executing program [pid 9158] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9158] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9158] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9158] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9158] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9158] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9159 attached => {parent_tid=[9159]}, 88) = 9159 [pid 9158] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9158] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9159] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9158] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9159] <... rseq resumed>) = 0 [pid 9159] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9159] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9159] memfd_create("syzkaller", 0) = 3 [pid 9159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9159] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9159] munmap(0x7f0c24913000, 138412032) = 0 [pid 9159] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9159] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9159] close(3) = 0 [pid 9159] close(4) = 0 [pid 9159] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9159] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9159] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9159] ioctl(3, LOOP_CLR_FD) = 0 [pid 9159] close(3) = 0 [pid 9159] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9158] <... futex resumed>) = 0 [pid 9159] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9158] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9158] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9159] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9159] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9158] <... futex resumed>) = 0 [pid 9159] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9158] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9158] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9159] <... futex resumed>) = 0 [pid 9159] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9159] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9158] <... futex resumed>) = 0 [pid 9159] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9158] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9158] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9159] <... futex resumed>) = 0 [pid 9159] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9159] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9158] <... futex resumed>) = 0 [pid 9159] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9158] exit_group(0) = ? [pid 9159] <... futex resumed>) = ? [pid 9159] +++ exited with 0 +++ [pid 9158] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9158, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 384.848365][ T9159] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9160 attached , child_tidptr=0x555585adc6d0) = 9160 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9160] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9160] <... set_robust_list resumed>) = 0 [pid 9160] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9160] setpgid(0, 0) = 0 [pid 9160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9160] write(3, "1000", 4) = 4 [pid 9160] close(3) = 0 [pid 9160] write(1, "executing program\n", 18) = 18 executing program [pid 9160] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9160] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9160] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9160] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9160] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9161 attached [pid 9161] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9160] <... clone3 resumed> => {parent_tid=[9161]}, 88) = 9161 [pid 9161] <... rseq resumed>) = 0 [pid 9160] rt_sigprocmask(SIG_SETMASK, [] [pid 9161] set_robust_list(0x7f0c2cd339a0, 24 [pid 9160] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9161] <... set_robust_list resumed>) = 0 [pid 9160] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9161] rt_sigprocmask(SIG_SETMASK, [] [pid 9160] <... futex resumed>) = 0 [pid 9160] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9161] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9161] memfd_create("syzkaller", 0) = 3 [pid 9161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9161] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9161] munmap(0x7f0c24913000, 138412032) = 0 [pid 9161] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9161] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9161] close(3) = 0 [pid 9161] close(4) = 0 [pid 9161] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9161] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9161] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9161] ioctl(3, LOOP_CLR_FD) = 0 [pid 9161] close(3) = 0 [pid 9161] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9160] <... futex resumed>) = 0 [pid 9161] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9160] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9160] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9161] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9161] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9160] <... futex resumed>) = 0 [pid 9161] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9160] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9160] <... futex resumed>) = 0 [pid 9161] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9160] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9161] <... openat resumed>) = 3 [pid 9161] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9160] <... futex resumed>) = 0 [pid 9161] <... futex resumed>) = 1 [pid 9160] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9161] pwrite64(3, "\x02\x00", 2, 4 [pid 9160] <... futex resumed>) = 0 [pid 9161] <... pwrite64 resumed>) = 2 [pid 9160] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9161] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9160] <... futex resumed>) = 0 [pid 9161] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9160] exit_group(0 [pid 9161] <... futex resumed>) = ? [pid 9160] <... exit_group resumed>) = ? [pid 9161] +++ exited with 0 +++ [pid 9160] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9162 attached , child_tidptr=0x555585adc6d0) = 9162 [ 384.987171][ T9161] EXT4-fs: quotafile must be on filesystem root [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9162] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9162] <... set_robust_list resumed>) = 0 [pid 9162] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9162] setpgid(0, 0) = 0 [pid 9162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9162] write(3, "1000", 4) = 4 [pid 9162] close(3) = 0 executing program [pid 9162] write(1, "executing program\n", 18) = 18 [pid 9162] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9162] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9162] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9162] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9162] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9162] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9163 attached [pid 9163] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9163] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9163] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9163] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9162] <... clone3 resumed> => {parent_tid=[9163]}, 88) = 9163 [pid 9162] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9162] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9163] <... futex resumed>) = 0 [pid 9162] <... futex resumed>) = 1 [pid 9163] memfd_create("syzkaller", 0 [pid 9162] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9163] <... memfd_create resumed>) = 3 [pid 9163] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9163] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9163] munmap(0x7f0c24913000, 138412032) = 0 [pid 9163] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9163] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9163] close(3) = 0 [pid 9163] close(4) = 0 [pid 9163] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9163] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9163] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9163] ioctl(3, LOOP_CLR_FD) = 0 [pid 9163] close(3) = 0 [pid 9163] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9162] <... futex resumed>) = 0 [pid 9163] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9162] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9162] <... futex resumed>) = 0 [pid 9163] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9162] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9163] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9162] <... futex resumed>) = 0 [pid 9163] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9162] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9163] <... openat resumed>) = 3 [pid 9162] <... futex resumed>) = 0 [pid 9162] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9163] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9162] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9163] pwrite64(3, "\x02\x00", 2, 4 [pid 9162] <... futex resumed>) = 0 [pid 9163] <... pwrite64 resumed>) = 2 [pid 9162] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9163] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9163] <... futex resumed>) = 0 [pid 9163] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9162] exit_group(0 [pid 9163] <... futex resumed>) = ? [pid 9162] <... exit_group resumed>) = ? [pid 9163] +++ exited with 0 +++ [pid 9162] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9164 attached , child_tidptr=0x555585adc6d0) = 9164 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9164] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9164] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9164] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 385.148776][ T9163] EXT4-fs: quotafile must be on filesystem root [pid 9164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9164] setpgid(0, 0) = 0 [pid 9164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9164] write(3, "1000", 4) = 4 [pid 9164] close(3) = 0 executing program [pid 9164] write(1, "executing program\n", 18) = 18 [pid 9164] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9164] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9164] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9164] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9164] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9165 attached [pid 9165] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9164] <... clone3 resumed> => {parent_tid=[9165]}, 88) = 9165 [pid 9165] <... rseq resumed>) = 0 [pid 9164] rt_sigprocmask(SIG_SETMASK, [] [pid 9165] set_robust_list(0x7f0c2cd339a0, 24 [pid 9164] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9165] <... set_robust_list resumed>) = 0 [pid 9164] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9165] rt_sigprocmask(SIG_SETMASK, [] [pid 9164] <... futex resumed>) = 0 [pid 9165] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9165] memfd_create("syzkaller", 0 [pid 9164] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9165] <... memfd_create resumed>) = 3 [pid 9165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9165] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9165] munmap(0x7f0c24913000, 138412032) = 0 [pid 9165] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9165] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9165] close(3) = 0 [pid 9165] close(4) = 0 [pid 9165] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9165] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9165] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9165] ioctl(3, LOOP_CLR_FD) = 0 [pid 9165] close(3) = 0 [pid 9165] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9164] <... futex resumed>) = 0 [pid 9164] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9164] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9165] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9165] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9165] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9164] <... futex resumed>) = 0 [pid 9164] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9165] <... futex resumed>) = 0 [pid 9164] <... futex resumed>) = 1 [pid 9165] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9164] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9165] <... openat resumed>) = 3 [pid 9165] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9164] <... futex resumed>) = 0 [pid 9165] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9164] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9165] <... futex resumed>) = 0 [pid 9164] <... futex resumed>) = 1 [pid 9165] pwrite64(3, "\x02\x00", 2, 4 [pid 9164] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9165] <... pwrite64 resumed>) = 2 [pid 9165] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9165] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9164] <... futex resumed>) = 0 [pid 9164] exit_group(0 [pid 9165] <... futex resumed>) = ? [pid 9164] <... exit_group resumed>) = ? [pid 9165] +++ exited with 0 +++ [pid 9164] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9164, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9166 attached , child_tidptr=0x555585adc6d0) = 9166 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9166] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9166] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9166] setpgid(0, 0) = 0 [pid 9166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 385.244420][ T9165] EXT4-fs: quotafile must be on filesystem root [pid 9166] write(3, "1000", 4) = 4 [pid 9166] close(3) = 0 [pid 9166] write(1, "executing program\n", 18) = 18 executing program [pid 9166] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9166] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9166] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9166] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9167 attached [pid 9167] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9166] <... clone3 resumed> => {parent_tid=[9167]}, 88) = 9167 [pid 9167] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9166] rt_sigprocmask(SIG_SETMASK, [] [pid 9167] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9166] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9167] memfd_create("syzkaller", 0 [pid 9166] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9167] <... memfd_create resumed>) = 3 [pid 9166] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9167] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9167] munmap(0x7f0c24913000, 138412032) = 0 [pid 9167] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9167] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9167] close(3) = 0 [pid 9167] close(4) = 0 [pid 9167] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9167] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9167] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9167] ioctl(3, LOOP_CLR_FD) = 0 [pid 9167] close(3) = 0 [pid 9167] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9166] <... futex resumed>) = 0 [pid 9167] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9166] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9166] <... futex resumed>) = 0 [pid 9167] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9166] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9167] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9167] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9166] <... futex resumed>) = 0 [pid 9167] <... futex resumed>) = 1 [pid 9166] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9167] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9166] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9167] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9166] <... futex resumed>) = 0 [pid 9167] pwrite64(3, "\x02\x00", 2, 4 [pid 9166] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9167] <... pwrite64 resumed>) = 2 [pid 9166] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9167] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9166] <... futex resumed>) = 0 [pid 9167] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9166] exit_group(0 [pid 9167] <... futex resumed>) = ? [pid 9166] <... exit_group resumed>) = ? [pid 9167] +++ exited with 0 +++ [pid 9166] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9166, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9168 attached [pid 9168] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9168 [pid 9168] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9168] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9168] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9168] setpgid(0, 0) = 0 [pid 9168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9168] write(3, "1000", 4) = 4 [pid 9168] close(3) = 0 [pid 9168] write(1, "executing program\n", 18) = 18 [pid 9168] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9168] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9168] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9168] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9168] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9169 attached [ 385.366467][ T9167] EXT4-fs: quotafile must be on filesystem root => {parent_tid=[9169]}, 88) = 9169 [pid 9169] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9168] rt_sigprocmask(SIG_SETMASK, [] [pid 9169] <... rseq resumed>) = 0 [pid 9168] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9169] set_robust_list(0x7f0c2cd339a0, 24 [pid 9168] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9169] <... set_robust_list resumed>) = 0 [pid 9168] <... futex resumed>) = 0 [pid 9169] rt_sigprocmask(SIG_SETMASK, [] [pid 9168] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9169] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9169] memfd_create("syzkaller", 0) = 3 [pid 9169] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9169] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9169] munmap(0x7f0c24913000, 138412032) = 0 [pid 9169] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9169] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9169] close(3) = 0 [pid 9169] close(4) = 0 [pid 9169] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9169] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9169] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9169] ioctl(3, LOOP_CLR_FD) = 0 [pid 9169] close(3) = 0 [pid 9169] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9168] <... futex resumed>) = 0 [pid 9168] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9169] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9168] <... futex resumed>) = 0 [pid 9168] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9169] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9169] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9168] <... futex resumed>) = 0 [pid 9169] <... futex resumed>) = 1 [pid 9168] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9169] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9168] <... futex resumed>) = 0 [pid 9168] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9169] <... openat resumed>) = 3 [pid 9169] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9169] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9168] <... futex resumed>) = 0 [pid 9168] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9169] <... futex resumed>) = 0 [pid 9168] <... futex resumed>) = 1 [pid 9169] pwrite64(3, "\x02\x00", 2, 4 [pid 9168] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9169] <... pwrite64 resumed>) = 2 [pid 9169] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9169] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9168] <... futex resumed>) = 0 [pid 9168] exit_group(0 [pid 9169] <... futex resumed>) = ? [pid 9168] <... exit_group resumed>) = ? [pid 9169] +++ exited with 0 +++ [pid 9168] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 385.462479][ T9169] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9170 attached , child_tidptr=0x555585adc6d0) = 9170 [pid 9170] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9170] <... set_robust_list resumed>) = 0 [pid 9170] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9170] setpgid(0, 0) = 0 [pid 9170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9170] write(3, "1000", 4) = 4 [pid 9170] close(3) = 0 [pid 9170] write(1, "executing program\n", 18) = 18 executing program [pid 9170] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9170] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9170] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9170] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9170] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9171 attached => {parent_tid=[9171]}, 88) = 9171 [pid 9171] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9170] rt_sigprocmask(SIG_SETMASK, [] [pid 9171] <... rseq resumed>) = 0 [pid 9170] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9171] set_robust_list(0x7f0c2cd339a0, 24 [pid 9170] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9171] <... set_robust_list resumed>) = 0 [pid 9170] <... futex resumed>) = 0 [pid 9171] rt_sigprocmask(SIG_SETMASK, [] [pid 9170] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9171] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9171] memfd_create("syzkaller", 0) = 3 [pid 9171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9171] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9171] munmap(0x7f0c24913000, 138412032) = 0 [pid 9171] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9171] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9171] close(3) = 0 [pid 9171] close(4) = 0 [pid 9171] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9171] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9171] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9171] ioctl(3, LOOP_CLR_FD) = 0 [pid 9171] close(3) = 0 [pid 9171] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9170] <... futex resumed>) = 0 [pid 9171] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9170] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9171] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9170] <... futex resumed>) = 0 [pid 9170] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9171] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9171] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9170] <... futex resumed>) = 0 [pid 9170] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9171] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9170] <... futex resumed>) = 0 [pid 9170] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9171] <... openat resumed>) = 3 [pid 9171] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9170] <... futex resumed>) = 0 [pid 9171] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9170] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9170] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9171] <... futex resumed>) = 0 [pid 9171] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9171] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9170] <... futex resumed>) = 0 [pid 9171] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9170] exit_group(0) = ? [pid 9171] <... futex resumed>) = ? [pid 9171] +++ exited with 0 +++ [pid 9170] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9172 attached [ 385.576902][ T9171] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9172 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9172] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9172] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9172] setpgid(0, 0) = 0 [pid 9172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9172] write(3, "1000", 4) = 4 [pid 9172] close(3) = 0 [pid 9172] write(1, "executing program\n", 18) = 18 [pid 9172] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9172] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9172] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9172] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9172] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9172] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9173 attached => {parent_tid=[9173]}, 88) = 9173 [pid 9173] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9172] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9173] <... rseq resumed>) = 0 [pid 9172] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9173] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9172] <... futex resumed>) = 0 [pid 9173] rt_sigprocmask(SIG_SETMASK, [] [pid 9172] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9173] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9173] memfd_create("syzkaller", 0) = 3 [pid 9173] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9173] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9173] munmap(0x7f0c24913000, 138412032) = 0 [pid 9173] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9173] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9173] close(3) = 0 [pid 9173] close(4) = 0 [pid 9173] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9173] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9173] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9173] ioctl(3, LOOP_CLR_FD) = 0 [pid 9173] close(3) = 0 [pid 9173] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9172] <... futex resumed>) = 0 [pid 9173] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9172] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9173] <... futex resumed>) = 0 [pid 9172] <... futex resumed>) = 1 [pid 9173] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9172] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9173] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9173] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9172] <... futex resumed>) = 0 [pid 9173] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9172] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9172] <... futex resumed>) = 0 [pid 9173] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9173] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9173] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9172] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9172] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9173] <... futex resumed>) = 0 [pid 9172] <... futex resumed>) = 1 [pid 9173] pwrite64(3, "\x02\x00", 2, 4 [pid 9172] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9173] <... pwrite64 resumed>) = 2 [pid 9173] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9172] <... futex resumed>) = 0 [pid 9173] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9172] exit_group(0 [pid 9173] <... futex resumed>) = ? [pid 9172] <... exit_group resumed>) = ? [pid 9173] +++ exited with 0 +++ [pid 9172] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9174 attached [ 385.696171][ T9173] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9174 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9174] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9174] <... set_robust_list resumed>) = 0 [pid 9174] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9174] setpgid(0, 0) = 0 [pid 9174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9174] write(3, "1000", 4) = 4 [pid 9174] close(3) = 0 [pid 9174] write(1, "executing program\n", 18) = 18 executing program [pid 9174] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9174] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9174] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9174] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9174] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9175 attached [pid 9175] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9174] <... clone3 resumed> => {parent_tid=[9175]}, 88) = 9175 [pid 9175] <... rseq resumed>) = 0 [pid 9174] rt_sigprocmask(SIG_SETMASK, [] [pid 9175] set_robust_list(0x7f0c2cd339a0, 24 [pid 9174] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9175] <... set_robust_list resumed>) = 0 [pid 9174] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9175] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9174] <... futex resumed>) = 0 [pid 9175] memfd_create("syzkaller", 0 [pid 9174] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9175] <... memfd_create resumed>) = 3 [pid 9175] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9175] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9175] munmap(0x7f0c24913000, 138412032) = 0 [pid 9175] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9175] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9175] close(3) = 0 [pid 9175] close(4) = 0 [pid 9175] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9175] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9175] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9175] ioctl(3, LOOP_CLR_FD) = 0 [pid 9175] close(3) = 0 [pid 9175] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9174] <... futex resumed>) = 0 [pid 9174] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9175] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9174] <... futex resumed>) = 0 [pid 9174] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9175] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9175] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9174] <... futex resumed>) = 0 [pid 9174] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9175] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9174] <... futex resumed>) = 0 [pid 9174] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9175] <... openat resumed>) = 3 [pid 9175] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9174] <... futex resumed>) = 0 [pid 9175] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9174] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9174] <... futex resumed>) = 0 [pid 9175] pwrite64(3, "\x02\x00", 2, 4 [pid 9174] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9175] <... pwrite64 resumed>) = 2 [pid 9175] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9174] <... futex resumed>) = 0 [pid 9175] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9174] exit_group(0 [pid 9175] <... futex resumed>) = ? [pid 9174] <... exit_group resumed>) = ? [pid 9175] +++ exited with 0 +++ [pid 9174] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9174, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9176 attached [pid 9176] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9176 [pid 9176] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9176] setpgid(0, 0) = 0 [ 385.808373][ T9175] EXT4-fs: quotafile must be on filesystem root [pid 9176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9176] write(3, "1000", 4) = 4 [pid 9176] close(3) = 0 [pid 9176] write(1, "executing program\n", 18) = 18 executing program [pid 9176] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9176] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9176] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9176] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9176] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9177 attached [pid 9177] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9176] <... clone3 resumed> => {parent_tid=[9177]}, 88) = 9177 [pid 9177] <... rseq resumed>) = 0 [pid 9176] rt_sigprocmask(SIG_SETMASK, [] [pid 9177] set_robust_list(0x7f0c2cd339a0, 24 [pid 9176] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9177] <... set_robust_list resumed>) = 0 [pid 9176] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9177] rt_sigprocmask(SIG_SETMASK, [] [pid 9176] <... futex resumed>) = 0 [pid 9177] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9176] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9177] memfd_create("syzkaller", 0) = 3 [pid 9177] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9177] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9177] munmap(0x7f0c24913000, 138412032) = 0 [pid 9177] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9177] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9177] close(3) = 0 [pid 9177] close(4) = 0 [pid 9177] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9177] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9177] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9177] ioctl(3, LOOP_CLR_FD) = 0 [pid 9177] close(3) = 0 [pid 9177] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9176] <... futex resumed>) = 0 [pid 9177] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9176] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9176] <... futex resumed>) = 0 [pid 9177] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9176] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9177] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9177] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9176] <... futex resumed>) = 0 [pid 9177] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9176] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9177] <... openat resumed>) = 3 [pid 9176] <... futex resumed>) = 0 [pid 9176] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9177] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9176] <... futex resumed>) = 0 [pid 9177] pwrite64(3, "\x02\x00", 2, 4 [pid 9176] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9177] <... pwrite64 resumed>) = 2 [pid 9176] <... futex resumed>) = 0 [pid 9176] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9177] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9177] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9176] <... futex resumed>) = 0 [pid 9176] exit_group(0 [pid 9177] <... futex resumed>) = ? [pid 9176] <... exit_group resumed>) = ? [pid 9177] +++ exited with 0 +++ [pid 9176] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9176, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 385.913620][ T9177] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9178 attached , child_tidptr=0x555585adc6d0) = 9178 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9178] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9178] <... set_robust_list resumed>) = 0 [pid 9178] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9178] setpgid(0, 0) = 0 [pid 9178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9178] write(3, "1000", 4) = 4 [pid 9178] close(3) = 0 [pid 9178] write(1, "executing program\n", 18) = 18 executing program [pid 9178] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9178] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9178] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9178] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9178] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9178] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9179]}, 88) = 9179 [pid 9178] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 9179 attached [pid 9178] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9179] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9178] <... futex resumed>) = 0 [pid 9179] <... rseq resumed>) = 0 [pid 9178] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9179] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9179] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9179] memfd_create("syzkaller", 0) = 3 [pid 9179] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9179] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9179] munmap(0x7f0c24913000, 138412032) = 0 [pid 9179] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9179] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9179] close(3) = 0 [pid 9179] close(4) = 0 [pid 9179] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9179] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9179] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9179] ioctl(3, LOOP_CLR_FD) = 0 [pid 9179] close(3) = 0 [pid 9179] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9178] <... futex resumed>) = 0 [pid 9179] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9178] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9178] <... futex resumed>) = 0 [pid 9179] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9178] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9179] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9179] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9178] <... futex resumed>) = 0 [pid 9179] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9178] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9178] <... futex resumed>) = 0 [pid 9179] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9178] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9179] <... openat resumed>) = 3 [pid 9179] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9178] <... futex resumed>) = 0 [pid 9179] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9178] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9179] pwrite64(3, "\x02\x00", 2, 4 [pid 9178] <... futex resumed>) = 0 [pid 9179] <... pwrite64 resumed>) = 2 [pid 9178] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9179] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9178] <... futex resumed>) = 0 [pid 9179] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9178] exit_group(0 [pid 9179] <... futex resumed>) = ? [pid 9178] <... exit_group resumed>) = ? [pid 9179] +++ exited with 0 +++ [pid 9178] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9180 attached , child_tidptr=0x555585adc6d0) = 9180 [pid 9180] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9180] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9180] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 386.015560][ T9179] EXT4-fs: quotafile must be on filesystem root [pid 9180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9180] setpgid(0, 0) = 0 [pid 9180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9180] write(3, "1000", 4) = 4 [pid 9180] close(3) = 0 [pid 9180] write(1, "executing program\n", 18) = 18 executing program [pid 9180] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9180] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9180] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9180] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9180] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9181 attached => {parent_tid=[9181]}, 88) = 9181 [pid 9181] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9180] rt_sigprocmask(SIG_SETMASK, [] [pid 9181] <... rseq resumed>) = 0 [pid 9180] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9181] set_robust_list(0x7f0c2cd339a0, 24 [pid 9180] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9181] <... set_robust_list resumed>) = 0 [pid 9180] <... futex resumed>) = 0 [pid 9181] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9180] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9181] memfd_create("syzkaller", 0) = 3 [pid 9181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9181] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9181] munmap(0x7f0c24913000, 138412032) = 0 [pid 9181] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9181] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9181] close(3) = 0 [pid 9181] close(4) = 0 [pid 9181] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9181] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9181] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9181] ioctl(3, LOOP_CLR_FD) = 0 [pid 9181] close(3) = 0 [pid 9181] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9180] <... futex resumed>) = 0 [pid 9181] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9180] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9180] <... futex resumed>) = 0 [pid 9180] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9181] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9181] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9180] <... futex resumed>) = 0 [pid 9181] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9180] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9180] <... futex resumed>) = 0 [pid 9180] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9181] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9181] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9180] <... futex resumed>) = 0 [pid 9181] <... futex resumed>) = 1 [pid 9180] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9181] pwrite64(3, "\x02\x00", 2, 4 [pid 9180] <... futex resumed>) = 0 [pid 9181] <... pwrite64 resumed>) = 2 [pid 9180] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9181] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9181] <... futex resumed>) = 0 [pid 9181] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9180] exit_group(0 [pid 9181] <... futex resumed>) = ? [pid 9180] <... exit_group resumed>) = ? [pid 9181] +++ exited with 0 +++ [pid 9180] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9182 attached [pid 9182] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9182 [pid 9182] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9182] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9182] setpgid(0, 0) = 0 [ 386.125904][ T9181] EXT4-fs: quotafile must be on filesystem root [pid 9182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9182] write(3, "1000", 4) = 4 [pid 9182] close(3) = 0 [pid 9182] write(1, "executing program\n", 18) = 18 executing program [pid 9182] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9182] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9182] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9182] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9182] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9182] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9183 attached => {parent_tid=[9183]}, 88) = 9183 [pid 9183] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9182] rt_sigprocmask(SIG_SETMASK, [] [pid 9183] <... rseq resumed>) = 0 [pid 9183] set_robust_list(0x7f0c2cd339a0, 24 [pid 9182] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9183] <... set_robust_list resumed>) = 0 [pid 9182] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9183] rt_sigprocmask(SIG_SETMASK, [] [pid 9182] <... futex resumed>) = 0 [pid 9183] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9183] memfd_create("syzkaller", 0) = 3 [pid 9183] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9182] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9183] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9183] munmap(0x7f0c24913000, 138412032) = 0 [pid 9183] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9183] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9183] close(3) = 0 [pid 9183] close(4) = 0 [pid 9183] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9183] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9183] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9183] ioctl(3, LOOP_CLR_FD) = 0 [pid 9183] close(3) = 0 [pid 9183] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9182] <... futex resumed>) = 0 [pid 9183] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9182] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9183] <... futex resumed>) = 0 [pid 9183] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9182] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9183] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9183] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9182] <... futex resumed>) = 0 [pid 9183] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9182] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9183] <... futex resumed>) = 0 [pid 9182] <... futex resumed>) = 1 [pid 9183] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9182] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9183] <... openat resumed>) = 3 [pid 9183] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9183] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9182] <... futex resumed>) = 0 [pid 9182] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9183] <... futex resumed>) = 0 [pid 9182] <... futex resumed>) = 1 [pid 9183] pwrite64(3, "\x02\x00", 2, 4 [pid 9182] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9183] <... pwrite64 resumed>) = 2 [pid 9183] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9182] <... futex resumed>) = 0 [pid 9183] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9182] exit_group(0 [pid 9183] <... futex resumed>) = ? [pid 9182] <... exit_group resumed>) = ? [pid 9183] +++ exited with 0 +++ [pid 9182] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9182, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9184 attached , child_tidptr=0x555585adc6d0) = 9184 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9184] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9184] <... set_robust_list resumed>) = 0 [pid 9184] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9184] setpgid(0, 0) = 0 [pid 9184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9184] write(3, "1000", 4) = 4 [pid 9184] close(3) = 0 [pid 9184] write(1, "executing program\n", 18) = 18 [pid 9184] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9184] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 executing program [pid 9184] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9184] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9184] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9185 attached [ 386.222776][ T9183] EXT4-fs: quotafile must be on filesystem root [pid 9185] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9184] <... clone3 resumed> => {parent_tid=[9185]}, 88) = 9185 [pid 9185] set_robust_list(0x7f0c2cd339a0, 24 [pid 9184] rt_sigprocmask(SIG_SETMASK, [] [pid 9185] <... set_robust_list resumed>) = 0 [pid 9184] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9185] rt_sigprocmask(SIG_SETMASK, [] [pid 9184] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9185] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9184] <... futex resumed>) = 0 [pid 9185] memfd_create("syzkaller", 0 [pid 9184] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9185] <... memfd_create resumed>) = 3 [pid 9185] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9185] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9185] munmap(0x7f0c24913000, 138412032) = 0 [pid 9185] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9185] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9185] close(3) = 0 [pid 9185] close(4) = 0 [pid 9185] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9185] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9185] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9185] ioctl(3, LOOP_CLR_FD) = 0 [pid 9185] close(3) = 0 [pid 9185] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9185] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9184] <... futex resumed>) = 0 [pid 9184] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9185] <... futex resumed>) = 0 [pid 9185] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9185] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9184] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9185] <... futex resumed>) = 0 [pid 9184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9185] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9184] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9184] <... futex resumed>) = 0 [pid 9185] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9184] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9185] <... openat resumed>) = 3 [pid 9185] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9184] <... futex resumed>) = 0 [pid 9185] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9184] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9184] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9185] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9185] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9184] <... futex resumed>) = 0 [pid 9185] <... futex resumed>) = 1 [pid 9184] exit_group(0) = ? [pid 9185] +++ exited with 0 +++ [pid 9184] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9184, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9186 attached [ 386.321106][ T9185] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9186 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9186] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9186] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9186] setpgid(0, 0) = 0 [pid 9186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9186] write(3, "1000", 4) = 4 [pid 9186] close(3) = 0 [pid 9186] write(1, "executing program\n", 18) = 18 executing program [pid 9186] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9186] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9186] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9186] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9186] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9187 attached [pid 9187] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9186] <... clone3 resumed> => {parent_tid=[9187]}, 88) = 9187 [pid 9187] <... rseq resumed>) = 0 [pid 9187] set_robust_list(0x7f0c2cd339a0, 24 [pid 9186] rt_sigprocmask(SIG_SETMASK, [] [pid 9187] <... set_robust_list resumed>) = 0 [pid 9187] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9186] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9187] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9186] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9186] <... futex resumed>) = 0 [pid 9187] memfd_create("syzkaller", 0 [pid 9186] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9187] <... memfd_create resumed>) = 3 [pid 9187] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9187] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9187] munmap(0x7f0c24913000, 138412032) = 0 [pid 9187] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9187] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9187] close(3) = 0 [pid 9187] close(4) = 0 [pid 9187] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9187] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9187] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9187] ioctl(3, LOOP_CLR_FD) = 0 [pid 9187] close(3) = 0 [pid 9187] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9186] <... futex resumed>) = 0 [pid 9187] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9186] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9186] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9187] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9187] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9186] <... futex resumed>) = 0 [pid 9187] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9186] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9186] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9187] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9187] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9186] <... futex resumed>) = 0 [pid 9186] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9187] pwrite64(3, "\x02\x00", 2, 4 [pid 9186] <... futex resumed>) = 0 [pid 9186] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9187] <... pwrite64 resumed>) = 2 [pid 9187] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9186] <... futex resumed>) = 0 [pid 9187] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9186] exit_group(0) = ? [pid 9187] <... futex resumed>) = ? [pid 9187] +++ exited with 0 +++ [pid 9186] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9186, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 386.467920][ T9187] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9188 attached , child_tidptr=0x555585adc6d0) = 9188 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9188] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9188] <... set_robust_list resumed>) = 0 [pid 9188] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9188] setpgid(0, 0) = 0 [pid 9188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9188] write(3, "1000", 4) = 4 [pid 9188] close(3) = 0 [pid 9188] write(1, "executing program\n", 18) = 18 executing program [pid 9188] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9188] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9188] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9188] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9188] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9188] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9189 attached [pid 9189] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9188] <... clone3 resumed> => {parent_tid=[9189]}, 88) = 9189 [pid 9189] <... rseq resumed>) = 0 [pid 9188] rt_sigprocmask(SIG_SETMASK, [] [pid 9189] set_robust_list(0x7f0c2cd339a0, 24 [pid 9188] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9189] <... set_robust_list resumed>) = 0 [pid 9188] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9189] rt_sigprocmask(SIG_SETMASK, [] [pid 9188] <... futex resumed>) = 0 [pid 9189] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9188] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9189] memfd_create("syzkaller", 0) = 3 [pid 9189] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9189] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9189] munmap(0x7f0c24913000, 138412032) = 0 [pid 9189] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9189] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9189] close(3) = 0 [pid 9189] close(4) = 0 [pid 9189] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9189] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9189] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9189] ioctl(3, LOOP_CLR_FD) = 0 [pid 9189] close(3) = 0 [pid 9189] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9188] <... futex resumed>) = 0 [pid 9189] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9188] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9188] <... futex resumed>) = 0 [pid 9189] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9188] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9189] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9188] <... futex resumed>) = 0 [pid 9188] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9189] <... futex resumed>) = 1 [pid 9188] <... futex resumed>) = 0 [pid 9189] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9188] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9189] <... openat resumed>) = 3 [pid 9189] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9188] <... futex resumed>) = 0 [pid 9188] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9189] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9188] <... futex resumed>) = 0 [pid 9189] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9188] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9189] <... futex resumed>) = 0 [pid 9189] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9188] exit_group(0 [pid 9189] <... futex resumed>) = ? [pid 9188] <... exit_group resumed>) = ? [pid 9189] +++ exited with 0 +++ [pid 9188] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9188, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9190 attached [ 386.605096][ T9189] EXT4-fs: quotafile must be on filesystem root [pid 9190] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9190 [pid 9190] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9190] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9190] setpgid(0, 0) = 0 [pid 9190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9190] write(3, "1000", 4) = 4 [pid 9190] close(3) = 0 [pid 9190] write(1, "executing program\n", 18) = 18 executing program [pid 9190] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9190] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9190] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9190] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9190] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9191 attached [pid 9191] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9190] <... clone3 resumed> => {parent_tid=[9191]}, 88) = 9191 [pid 9191] set_robust_list(0x7f0c2cd339a0, 24 [pid 9190] rt_sigprocmask(SIG_SETMASK, [] [pid 9191] <... set_robust_list resumed>) = 0 [pid 9190] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9191] rt_sigprocmask(SIG_SETMASK, [] [pid 9190] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9191] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9191] memfd_create("syzkaller", 0 [pid 9190] <... futex resumed>) = 0 [pid 9190] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9191] <... memfd_create resumed>) = 3 [pid 9191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9191] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9191] munmap(0x7f0c24913000, 138412032) = 0 [pid 9191] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9191] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9191] close(3) = 0 [pid 9191] close(4) = 0 [pid 9191] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9191] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9191] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9191] ioctl(3, LOOP_CLR_FD) = 0 [pid 9191] close(3) = 0 [pid 9191] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9190] <... futex resumed>) = 0 [pid 9190] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9191] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9190] <... futex resumed>) = 0 [pid 9190] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9191] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9191] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9190] <... futex resumed>) = 0 [pid 9191] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9190] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9191] <... futex resumed>) = 0 [pid 9190] <... futex resumed>) = 1 [pid 9191] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9190] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9191] <... openat resumed>) = 3 [pid 9191] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9190] <... futex resumed>) = 0 [pid 9191] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9190] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9190] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9191] <... futex resumed>) = 0 [pid 9191] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9191] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9190] <... futex resumed>) = 0 [pid 9191] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9190] exit_group(0) = ? [pid 9191] <... futex resumed>) = ? [pid 9191] +++ exited with 0 +++ [pid 9190] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9190, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 386.733356][ T9191] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9192 attached , child_tidptr=0x555585adc6d0) = 9192 [pid 9192] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9192] <... set_robust_list resumed>) = 0 [pid 9192] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9192] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9192] setpgid(0, 0) = 0 [pid 9192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9192] write(3, "1000", 4) = 4 [pid 9192] close(3) = 0 [pid 9192] write(1, "executing program\n", 18) = 18 executing program [pid 9192] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9192] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9192] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9192] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9192] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9193 attached => {parent_tid=[9193]}, 88) = 9193 [pid 9192] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9193] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9192] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9193] <... rseq resumed>) = 0 [pid 9192] <... futex resumed>) = 0 [pid 9193] set_robust_list(0x7f0c2cd339a0, 24 [pid 9192] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9193] <... set_robust_list resumed>) = 0 [pid 9193] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9193] memfd_create("syzkaller", 0) = 3 [pid 9193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9193] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9193] munmap(0x7f0c24913000, 138412032) = 0 [pid 9193] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9193] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9193] close(3) = 0 [pid 9193] close(4) = 0 [pid 9193] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9193] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9193] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9193] ioctl(3, LOOP_CLR_FD) = 0 [pid 9193] close(3) = 0 [pid 9193] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9192] <... futex resumed>) = 0 [pid 9193] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9192] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9193] <... futex resumed>) = 0 [pid 9192] <... futex resumed>) = 1 [pid 9193] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9192] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9193] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9193] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9192] <... futex resumed>) = 0 [pid 9193] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9192] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9192] <... futex resumed>) = 0 [pid 9193] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9192] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9193] <... openat resumed>) = 3 [pid 9193] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9192] <... futex resumed>) = 0 [pid 9192] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9192] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9193] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9193] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9192] <... futex resumed>) = 0 [pid 9193] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9192] exit_group(0 [pid 9193] <... futex resumed>) = ? [pid 9192] <... exit_group resumed>) = ? [pid 9193] +++ exited with 0 +++ [pid 9192] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9194 attached , child_tidptr=0x555585adc6d0) = 9194 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9194] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 386.850246][ T9193] EXT4-fs: quotafile must be on filesystem root [pid 9194] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9194] setpgid(0, 0) = 0 [pid 9194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9194] write(3, "1000", 4) = 4 [pid 9194] close(3) = 0 executing program [pid 9194] write(1, "executing program\n", 18) = 18 [pid 9194] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9194] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9194] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9194] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9194] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9195 attached [pid 9195] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9194] <... clone3 resumed> => {parent_tid=[9195]}, 88) = 9195 [pid 9195] <... rseq resumed>) = 0 [pid 9195] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9194] rt_sigprocmask(SIG_SETMASK, [] [pid 9195] rt_sigprocmask(SIG_SETMASK, [] [pid 9194] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9195] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9194] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9195] memfd_create("syzkaller", 0 [pid 9194] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9195] <... memfd_create resumed>) = 3 [pid 9195] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9195] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9195] munmap(0x7f0c24913000, 138412032) = 0 [pid 9195] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9195] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9195] close(3) = 0 [pid 9195] close(4) = 0 [pid 9195] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9195] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9195] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9195] ioctl(3, LOOP_CLR_FD) = 0 [pid 9195] close(3) = 0 [pid 9195] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9195] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9194] <... futex resumed>) = 0 [pid 9194] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9195] <... futex resumed>) = 0 [pid 9194] <... futex resumed>) = 1 [pid 9195] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9194] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9195] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9195] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9194] <... futex resumed>) = 0 [pid 9195] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9194] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9195] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9194] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9195] <... openat resumed>) = 3 [pid 9195] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9194] <... futex resumed>) = 0 [pid 9195] pwrite64(3, "\x02\x00", 2, 4 [pid 9194] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9195] <... pwrite64 resumed>) = 2 [pid 9194] <... futex resumed>) = 0 [pid 9195] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9194] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9195] <... futex resumed>) = 0 [pid 9194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9195] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9194] exit_group(0 [pid 9195] <... futex resumed>) = ? [pid 9194] <... exit_group resumed>) = ? [pid 9195] +++ exited with 0 +++ [pid 9194] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9194, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9196 attached [ 386.967659][ T9195] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9196 [pid 9196] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9196] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9196] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9196] setpgid(0, 0) = 0 [pid 9196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9196] write(3, "1000", 4) = 4 [pid 9196] close(3) = 0 [pid 9196] write(1, "executing program\n", 18) = 18 executing program [pid 9196] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9196] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9196] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9196] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9196] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9197 attached [pid 9197] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9196] <... clone3 resumed> => {parent_tid=[9197]}, 88) = 9197 [pid 9197] <... rseq resumed>) = 0 [pid 9197] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9197] rt_sigprocmask(SIG_SETMASK, [] [pid 9196] rt_sigprocmask(SIG_SETMASK, [] [pid 9197] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9196] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9197] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9196] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9196] <... futex resumed>) = 0 [pid 9197] memfd_create("syzkaller", 0 [pid 9196] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9197] <... memfd_create resumed>) = 3 [pid 9197] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9197] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9197] munmap(0x7f0c24913000, 138412032) = 0 [pid 9197] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9197] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9197] close(3) = 0 [pid 9197] close(4) = 0 [pid 9197] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9197] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9197] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9197] ioctl(3, LOOP_CLR_FD) = 0 [pid 9197] close(3) = 0 [pid 9197] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9196] <... futex resumed>) = 0 [pid 9196] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9196] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9197] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9197] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9196] <... futex resumed>) = 0 [pid 9197] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9196] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9196] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9197] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9197] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9196] <... futex resumed>) = 0 [pid 9197] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9196] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9196] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9197] <... futex resumed>) = 0 [pid 9197] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9197] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9196] <... futex resumed>) = 0 [pid 9197] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9196] exit_group(0 [pid 9197] <... futex resumed>) = ? [pid 9196] <... exit_group resumed>) = ? [pid 9197] +++ exited with 0 +++ [pid 9196] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9198 attached [pid 9198] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9198 [pid 9198] <... set_robust_list resumed>) = 0 [ 387.095199][ T9197] EXT4-fs: quotafile must be on filesystem root [pid 9198] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9198] setpgid(0, 0) = 0 [pid 9198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9198] write(3, "1000", 4) = 4 [pid 9198] close(3) = 0 [pid 9198] write(1, "executing program\n", 18) = 18 executing program [pid 9198] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9198] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9198] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9198] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9198] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9198] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9199 attached => {parent_tid=[9199]}, 88) = 9199 [pid 9199] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9198] rt_sigprocmask(SIG_SETMASK, [] [pid 9199] <... rseq resumed>) = 0 [pid 9199] set_robust_list(0x7f0c2cd339a0, 24 [pid 9198] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9199] <... set_robust_list resumed>) = 0 [pid 9198] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9199] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9198] <... futex resumed>) = 0 [pid 9199] memfd_create("syzkaller", 0 [pid 9198] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9199] <... memfd_create resumed>) = 3 [pid 9199] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9199] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9199] munmap(0x7f0c24913000, 138412032) = 0 [pid 9199] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9199] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9199] close(3) = 0 [pid 9199] close(4) = 0 [pid 9199] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9199] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9199] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9199] ioctl(3, LOOP_CLR_FD) = 0 [pid 9199] close(3) = 0 [pid 9199] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9199] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9198] <... futex resumed>) = 0 [pid 9198] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9199] <... futex resumed>) = 0 [pid 9198] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9199] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9199] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9198] <... futex resumed>) = 0 [pid 9199] <... futex resumed>) = 1 [pid 9198] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9199] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9198] <... futex resumed>) = 0 [pid 9198] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9199] <... openat resumed>) = 3 [pid 9199] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9198] <... futex resumed>) = 0 [pid 9198] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9199] pwrite64(3, "\x02\x00", 2, 4 [pid 9198] <... futex resumed>) = 0 [ 387.242046][ T9199] EXT4-fs: quotafile must be on filesystem root [pid 9198] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9199] <... pwrite64 resumed>) = 2 [pid 9199] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9198] <... futex resumed>) = 0 [pid 9199] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9198] exit_group(0 [pid 9199] <... futex resumed>) = ? [pid 9198] <... exit_group resumed>) = ? [pid 9199] +++ exited with 0 +++ [pid 9198] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9200 attached , child_tidptr=0x555585adc6d0) = 9200 [pid 9200] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9200] <... set_robust_list resumed>) = 0 [pid 9200] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9200] setpgid(0, 0) = 0 [pid 9200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9200] write(3, "1000", 4) = 4 [pid 9200] close(3) = 0 [pid 9200] write(1, "executing program\n", 18) = 18 executing program [pid 9200] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9200] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9200] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9200] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9200] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9200] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9201 attached => {parent_tid=[9201]}, 88) = 9201 [pid 9200] rt_sigprocmask(SIG_SETMASK, [] [pid 9201] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9200] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9201] <... rseq resumed>) = 0 [pid 9200] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9201] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9200] <... futex resumed>) = 0 [pid 9201] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9201] memfd_create("syzkaller", 0 [pid 9200] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9201] <... memfd_create resumed>) = 3 [pid 9201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9201] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9201] munmap(0x7f0c24913000, 138412032) = 0 [pid 9201] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9201] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9201] close(3) = 0 [pid 9201] close(4) = 0 [pid 9201] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9201] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9201] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9201] ioctl(3, LOOP_CLR_FD) = 0 [pid 9201] close(3) = 0 [pid 9201] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9200] <... futex resumed>) = 0 [pid 9201] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9200] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9201] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9200] <... futex resumed>) = 0 [pid 9201] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9200] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9201] <... futex resumed>) = 0 [pid 9200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9201] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9200] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9201] <... futex resumed>) = 0 [pid 9200] <... futex resumed>) = 1 [pid 9201] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9200] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9201] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9200] <... futex resumed>) = 0 [pid 9201] pwrite64(3, "\x02\x00", 2, 4 [pid 9200] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9201] <... pwrite64 resumed>) = 2 [pid 9200] <... futex resumed>) = 0 [pid 9201] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9200] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9201] <... futex resumed>) = 0 [pid 9200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9201] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9200] exit_group(0 [pid 9201] <... futex resumed>) = ? [pid 9201] +++ exited with 0 +++ [pid 9200] <... exit_group resumed>) = ? [pid 9200] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9200, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 387.398375][ T9201] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9202 attached [pid 9202] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9202 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9202] <... set_robust_list resumed>) = 0 [pid 9202] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9202] setpgid(0, 0) = 0 [pid 9202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9202] write(3, "1000", 4) = 4 [pid 9202] close(3) = 0 executing program [pid 9202] write(1, "executing program\n", 18) = 18 [pid 9202] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9202] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9202] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9202] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9202] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9203 attached => {parent_tid=[9203]}, 88) = 9203 [pid 9203] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9202] rt_sigprocmask(SIG_SETMASK, [] [pid 9203] <... rseq resumed>) = 0 [pid 9203] set_robust_list(0x7f0c2cd339a0, 24 [pid 9202] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9203] <... set_robust_list resumed>) = 0 [pid 9203] rt_sigprocmask(SIG_SETMASK, [] [pid 9202] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9203] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9202] <... futex resumed>) = 0 [pid 9203] memfd_create("syzkaller", 0 [pid 9202] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9203] <... memfd_create resumed>) = 3 [pid 9203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9203] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9203] munmap(0x7f0c24913000, 138412032) = 0 [pid 9203] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9203] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9203] close(3) = 0 [pid 9203] close(4) = 0 [pid 9203] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9203] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9203] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9203] ioctl(3, LOOP_CLR_FD) = 0 [pid 9203] close(3) = 0 [pid 9203] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9202] <... futex resumed>) = 0 [pid 9203] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9202] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9203] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9202] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9203] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9203] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9202] <... futex resumed>) = 0 [pid 9202] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9203] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9202] <... futex resumed>) = 0 [pid 9203] <... openat resumed>) = 3 [pid 9202] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9203] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9202] <... futex resumed>) = 0 [pid 9203] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9202] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9202] <... futex resumed>) = 0 [pid 9202] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9203] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9203] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9202] <... futex resumed>) = 0 [pid 9203] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9202] exit_group(0 [pid 9203] <... futex resumed>) = ? [pid 9202] <... exit_group resumed>) = ? [pid 9203] +++ exited with 0 +++ [pid 9202] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9202, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 387.549929][ T9203] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9204 attached , child_tidptr=0x555585adc6d0) = 9204 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9204] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9204] <... set_robust_list resumed>) = 0 [pid 9204] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9204] setpgid(0, 0) = 0 [pid 9204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9204] write(3, "1000", 4) = 4 [pid 9204] close(3) = 0 [pid 9204] write(1, "executing program\n", 18) = 18 executing program [pid 9204] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9204] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9204] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9204] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9204] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9205 attached => {parent_tid=[9205]}, 88) = 9205 [pid 9204] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9204] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9205] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9204] <... futex resumed>) = 0 [pid 9205] <... rseq resumed>) = 0 [pid 9205] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9204] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9205] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9205] memfd_create("syzkaller", 0) = 3 [pid 9205] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9205] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9205] munmap(0x7f0c24913000, 138412032) = 0 [pid 9205] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9205] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9205] close(3) = 0 [pid 9205] close(4) = 0 [pid 9205] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9205] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9205] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9205] ioctl(3, LOOP_CLR_FD) = 0 [pid 9205] close(3) = 0 [pid 9205] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9204] <... futex resumed>) = 0 [pid 9205] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9204] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9205] <... futex resumed>) = 0 [pid 9204] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9205] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9205] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9204] <... futex resumed>) = 0 [pid 9205] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9204] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9204] <... futex resumed>) = 0 [pid 9205] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9204] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9205] <... openat resumed>) = 3 [pid 9205] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9204] <... futex resumed>) = 0 [pid 9205] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9204] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9204] <... futex resumed>) = 0 [pid 9205] pwrite64(3, "\x02\x00", 2, 4 [pid 9204] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9205] <... pwrite64 resumed>) = 2 [pid 9205] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9204] <... futex resumed>) = 0 [pid 9205] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9204] exit_group(0) = ? [pid 9205] <... futex resumed>) = ? [pid 9205] +++ exited with 0 +++ [pid 9204] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9204, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [ 387.668085][ T9205] set_capacity_and_notify: 32 callbacks suppressed [ 387.668512][ T9205] loop0: detected capacity change from 0 to 512 [ 387.683972][ T9205] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9206 attached , child_tidptr=0x555585adc6d0) = 9206 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9206] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9206] <... set_robust_list resumed>) = 0 [pid 9206] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9206] setpgid(0, 0) = 0 [pid 9206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9206] write(3, "1000", 4) = 4 [pid 9206] close(3) = 0 [pid 9206] write(1, "executing program\n", 18) = 18 executing program [pid 9206] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9206] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9206] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9206] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9206] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9207 attached [pid 9207] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9207] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9206] <... clone3 resumed> => {parent_tid=[9207]}, 88) = 9207 [pid 9207] rt_sigprocmask(SIG_SETMASK, [] [pid 9206] rt_sigprocmask(SIG_SETMASK, [] [pid 9207] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9206] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9207] memfd_create("syzkaller", 0 [pid 9206] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9206] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9207] <... memfd_create resumed>) = 3 [pid 9207] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9207] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9207] munmap(0x7f0c24913000, 138412032) = 0 [pid 9207] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9207] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9207] close(3) = 0 [pid 9207] close(4) = 0 [pid 9207] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9207] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9207] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9207] ioctl(3, LOOP_CLR_FD) = 0 [pid 9207] close(3) = 0 [pid 9207] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9206] <... futex resumed>) = 0 [pid 9207] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9206] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9207] <... futex resumed>) = 0 [pid 9206] <... futex resumed>) = 1 [pid 9207] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9206] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9207] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9207] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9206] <... futex resumed>) = 0 [pid 9207] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9206] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9206] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9207] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9207] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9206] <... futex resumed>) = 0 [pid 9206] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9207] <... futex resumed>) = 1 [pid 9206] <... futex resumed>) = 0 [pid 9207] pwrite64(3, "\x02\x00", 2, 4 [pid 9206] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9207] <... pwrite64 resumed>) = 2 [pid 9207] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9206] <... futex resumed>) = 0 [pid 9207] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9206] exit_group(0) = ? [pid 9207] <... futex resumed>) = ? [pid 9207] +++ exited with 0 +++ [pid 9206] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9206, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9208 attached [pid 9208] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9208 [pid 9208] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9208] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 387.797272][ T9207] loop0: detected capacity change from 0 to 512 [ 387.807186][ T9207] EXT4-fs: quotafile must be on filesystem root [pid 9208] setpgid(0, 0) = 0 [pid 9208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9208] write(3, "1000", 4) = 4 [pid 9208] close(3) = 0 [pid 9208] write(1, "executing program\n", 18) = 18 executing program [pid 9208] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9208] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9208] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9208] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9208] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9208] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9209 attached => {parent_tid=[9209]}, 88) = 9209 [pid 9209] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9208] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9209] <... rseq resumed>) = 0 [pid 9208] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9209] set_robust_list(0x7f0c2cd339a0, 24 [pid 9208] <... futex resumed>) = 0 [pid 9209] <... set_robust_list resumed>) = 0 [pid 9209] rt_sigprocmask(SIG_SETMASK, [] [pid 9208] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9209] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9209] memfd_create("syzkaller", 0) = 3 [pid 9209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9209] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9209] munmap(0x7f0c24913000, 138412032) = 0 [pid 9209] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9209] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9209] close(3) = 0 [pid 9209] close(4) = 0 [pid 9209] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9209] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9209] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9209] ioctl(3, LOOP_CLR_FD) = 0 [pid 9209] close(3) = 0 [pid 9209] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9208] <... futex resumed>) = 0 [pid 9209] <... futex resumed>) = 1 [pid 9208] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9209] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9208] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9209] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9209] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9208] <... futex resumed>) = 0 [pid 9209] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9208] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9209] <... openat resumed>) = 3 [pid 9208] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9209] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9208] <... futex resumed>) = 0 [pid 9209] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9208] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9208] <... futex resumed>) = 0 [pid 9209] pwrite64(3, "\x02\x00", 2, 4 [pid 9208] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9209] <... pwrite64 resumed>) = 2 [pid 9209] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9208] <... futex resumed>) = 0 [pid 9209] <... futex resumed>) = 1 [pid 9209] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9208] exit_group(0) = ? [pid 9209] <... futex resumed>) = ? [pid 9209] +++ exited with 0 +++ [ 387.880600][ T9209] loop0: detected capacity change from 0 to 512 [ 387.890175][ T9209] EXT4-fs: quotafile must be on filesystem root [pid 9208] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9208, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9210 attached , child_tidptr=0x555585adc6d0) = 9210 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9210] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9210] <... set_robust_list resumed>) = 0 [pid 9210] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9210] setpgid(0, 0) = 0 [pid 9210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9210] write(3, "1000", 4) = 4 [pid 9210] close(3) = 0 executing program [pid 9210] write(1, "executing program\n", 18) = 18 [pid 9210] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9210] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9210] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9210] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9210] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9211 attached => {parent_tid=[9211]}, 88) = 9211 [pid 9211] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9210] rt_sigprocmask(SIG_SETMASK, [] [pid 9211] <... rseq resumed>) = 0 [pid 9210] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9211] set_robust_list(0x7f0c2cd339a0, 24 [pid 9210] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9211] <... set_robust_list resumed>) = 0 [pid 9210] <... futex resumed>) = 0 [pid 9211] rt_sigprocmask(SIG_SETMASK, [] [pid 9210] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9211] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9211] memfd_create("syzkaller", 0) = 3 [pid 9211] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9211] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9211] munmap(0x7f0c24913000, 138412032) = 0 [pid 9211] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9211] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9211] close(3) = 0 [pid 9211] close(4) = 0 [pid 9211] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9211] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9211] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9211] ioctl(3, LOOP_CLR_FD) = 0 [pid 9211] close(3) = 0 [pid 9211] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9210] <... futex resumed>) = 0 [pid 9210] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9211] <... futex resumed>) = 1 [pid 9210] <... futex resumed>) = 0 [pid 9211] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9210] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9211] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9211] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9210] <... futex resumed>) = 0 [pid 9211] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9210] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9210] <... futex resumed>) = 0 [pid 9211] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9210] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9211] <... openat resumed>) = 3 [pid 9211] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9210] <... futex resumed>) = 0 [pid 9211] pwrite64(3, "\x02\x00", 2, 4 [pid 9210] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9211] <... pwrite64 resumed>) = 2 [pid 9210] <... futex resumed>) = 0 [pid 9211] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9210] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9211] <... futex resumed>) = 0 [pid 9211] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9210] exit_group(0 [pid 9211] <... futex resumed>) = ? [pid 9210] <... exit_group resumed>) = ? [pid 9211] +++ exited with 0 +++ [pid 9210] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9210, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 387.989242][ T9211] loop0: detected capacity change from 0 to 512 [ 388.008383][ T9211] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9212 attached , child_tidptr=0x555585adc6d0) = 9212 [pid 9212] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9212] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9212] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9212] setpgid(0, 0) = 0 [pid 9212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9212] write(3, "1000", 4) = 4 [pid 9212] close(3) = 0 [pid 9212] write(1, "executing program\n", 18) = 18 executing program [pid 9212] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9212] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9212] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9212] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9212] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9212] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9213 attached [pid 9213] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9212] <... clone3 resumed> => {parent_tid=[9213]}, 88) = 9213 [pid 9213] <... rseq resumed>) = 0 [pid 9212] rt_sigprocmask(SIG_SETMASK, [] [pid 9213] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9212] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9213] rt_sigprocmask(SIG_SETMASK, [] [pid 9212] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9213] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9212] <... futex resumed>) = 0 [pid 9213] memfd_create("syzkaller", 0 [pid 9212] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9213] <... memfd_create resumed>) = 3 [pid 9213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9213] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9213] munmap(0x7f0c24913000, 138412032) = 0 [pid 9213] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9213] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9213] close(3) = 0 [pid 9213] close(4) = 0 [pid 9213] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9213] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9213] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9213] ioctl(3, LOOP_CLR_FD) = 0 [pid 9213] close(3) = 0 [pid 9213] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9212] <... futex resumed>) = 0 [pid 9213] <... futex resumed>) = 1 [pid 9212] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9213] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9212] <... futex resumed>) = 0 [pid 9213] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9212] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9213] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9212] <... futex resumed>) = 0 [pid 9213] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9212] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9212] <... futex resumed>) = 0 [pid 9213] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9212] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9213] <... openat resumed>) = 3 [pid 9213] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9212] <... futex resumed>) = 0 [pid 9213] pwrite64(3, "\x02\x00", 2, 4 [pid 9212] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9213] <... pwrite64 resumed>) = 2 [pid 9212] <... futex resumed>) = 0 [ 388.114252][ T9213] loop0: detected capacity change from 0 to 512 [ 388.127762][ T9213] EXT4-fs: quotafile must be on filesystem root [pid 9212] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9213] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9213] <... futex resumed>) = 0 [pid 9212] exit_group(0 [pid 9213] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9212] <... exit_group resumed>) = ? [pid 9213] +++ exited with 0 +++ [pid 9212] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9212, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9214 attached [pid 9214] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9214 [pid 9214] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9214] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9214] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9214] setpgid(0, 0) = 0 [pid 9214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9214] write(3, "1000", 4) = 4 [pid 9214] close(3) = 0 [pid 9214] write(1, "executing program\n", 18) = 18 executing program [pid 9214] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9214] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9214] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9214] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9215 attached [pid 9215] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9214] <... clone3 resumed> => {parent_tid=[9215]}, 88) = 9215 [pid 9215] <... rseq resumed>) = 0 [pid 9215] set_robust_list(0x7f0c2cd339a0, 24 [pid 9214] rt_sigprocmask(SIG_SETMASK, [] [pid 9215] <... set_robust_list resumed>) = 0 [pid 9214] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9215] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9214] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9214] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9215] memfd_create("syzkaller", 0) = 3 [pid 9215] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9215] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9215] munmap(0x7f0c24913000, 138412032) = 0 [pid 9215] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9215] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9215] close(3) = 0 [pid 9215] close(4) = 0 [pid 9215] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9215] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9215] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9215] ioctl(3, LOOP_CLR_FD) = 0 [pid 9215] close(3) = 0 [pid 9215] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9214] <... futex resumed>) = 0 [pid 9215] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9214] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9214] <... futex resumed>) = 0 [pid 9215] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9214] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9215] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9215] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 388.263167][ T9215] loop0: detected capacity change from 0 to 512 [ 388.272235][ T9215] EXT4-fs: quotafile must be on filesystem root [pid 9214] <... futex resumed>) = 0 [pid 9215] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9214] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9214] <... futex resumed>) = 0 [pid 9215] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9214] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9215] <... openat resumed>) = 3 [pid 9215] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9214] <... futex resumed>) = 0 [pid 9215] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9214] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9214] <... futex resumed>) = 0 [pid 9215] pwrite64(3, "\x02\x00", 2, 4 [pid 9214] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9215] <... pwrite64 resumed>) = 2 [pid 9215] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9214] <... futex resumed>) = 0 [pid 9215] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9214] exit_group(0 [pid 9215] <... futex resumed>) = ? [pid 9214] <... exit_group resumed>) = ? [pid 9215] +++ exited with 0 +++ [pid 9214] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9216 attached , child_tidptr=0x555585adc6d0) = 9216 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9216] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9216] <... set_robust_list resumed>) = 0 [pid 9216] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9216] setpgid(0, 0) = 0 [pid 9216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9216] write(3, "1000", 4) = 4 [pid 9216] close(3) = 0 executing program [pid 9216] write(1, "executing program\n", 18) = 18 [pid 9216] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9216] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9216] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9216] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9216] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9217 attached [pid 9217] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9216] <... clone3 resumed> => {parent_tid=[9217]}, 88) = 9217 [pid 9217] <... rseq resumed>) = 0 [pid 9216] rt_sigprocmask(SIG_SETMASK, [] [pid 9217] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9216] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9217] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9216] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9217] memfd_create("syzkaller", 0 [pid 9216] <... futex resumed>) = 0 [pid 9216] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9217] <... memfd_create resumed>) = 3 [pid 9217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9217] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9217] munmap(0x7f0c24913000, 138412032) = 0 [pid 9217] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9217] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9217] close(3) = 0 [pid 9217] close(4) = 0 [pid 9217] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9217] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9217] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9217] ioctl(3, LOOP_CLR_FD) = 0 [pid 9217] close(3) = 0 [pid 9217] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9216] <... futex resumed>) = 0 [pid 9217] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9216] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9216] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9217] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9217] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9216] <... futex resumed>) = 0 [pid 9216] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9216] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9217] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9217] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9216] <... futex resumed>) = 0 [pid 9217] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9216] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9216] <... futex resumed>) = 0 [pid 9217] pwrite64(3, "\x02\x00", 2, 4 [pid 9216] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9217] <... pwrite64 resumed>) = 2 [pid 9217] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9216] <... futex resumed>) = 0 [pid 9217] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9216] exit_group(0) = ? [pid 9217] <... futex resumed>) = ? [pid 9217] +++ exited with 0 +++ [pid 9216] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9218 attached , child_tidptr=0x555585adc6d0) = 9218 [pid 9218] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9218] <... set_robust_list resumed>) = 0 [pid 9218] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 388.415129][ T9217] loop0: detected capacity change from 0 to 512 [ 388.423794][ T9217] EXT4-fs: quotafile must be on filesystem root [pid 9218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9218] setpgid(0, 0) = 0 [pid 9218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 9218] write(3, "1000", 4) = 4 [pid 9218] close(3) = 0 [pid 9218] write(1, "executing program\n", 18) = 18 [pid 9218] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9218] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9218] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9218] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9219 attached [pid 9219] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9218] <... clone3 resumed> => {parent_tid=[9219]}, 88) = 9219 [pid 9219] <... rseq resumed>) = 0 [pid 9218] rt_sigprocmask(SIG_SETMASK, [] [pid 9219] set_robust_list(0x7f0c2cd339a0, 24 [pid 9218] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9219] <... set_robust_list resumed>) = 0 [pid 9218] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9219] rt_sigprocmask(SIG_SETMASK, [] [pid 9218] <... futex resumed>) = 0 [pid 9219] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9219] memfd_create("syzkaller", 0 [pid 9218] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9219] <... memfd_create resumed>) = 3 [pid 9219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9219] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9219] munmap(0x7f0c24913000, 138412032) = 0 [pid 9219] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9219] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9219] close(3) = 0 [pid 9219] close(4) = 0 [pid 9219] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9219] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9219] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9219] ioctl(3, LOOP_CLR_FD) = 0 [pid 9219] close(3) = 0 [pid 9219] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9218] <... futex resumed>) = 0 [pid 9219] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9218] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9219] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9218] <... futex resumed>) = 0 [pid 9218] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9219] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9218] <... futex resumed>) = 0 [pid 9219] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9218] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9219] <... openat resumed>) = 3 [pid 9218] <... futex resumed>) = 0 [pid 9218] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9219] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9218] <... futex resumed>) = 0 [pid 9218] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9218] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9219] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9219] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9218] <... futex resumed>) = 0 [pid 9219] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9218] exit_group(0 [pid 9219] <... futex resumed>) = ? [pid 9219] +++ exited with 0 +++ [pid 9218] <... exit_group resumed>) = ? [pid 9218] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 388.538642][ T9219] loop0: detected capacity change from 0 to 512 [ 388.547747][ T9219] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9220 attached , child_tidptr=0x555585adc6d0) = 9220 [pid 9220] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9220] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9220] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9220] setpgid(0, 0) = 0 [pid 9220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9220] write(3, "1000", 4) = 4 [pid 9220] close(3) = 0 executing program [pid 9220] write(1, "executing program\n", 18) = 18 [pid 9220] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9220] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9220] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9220] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9221 attached [pid 9221] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9220] <... clone3 resumed> => {parent_tid=[9221]}, 88) = 9221 [pid 9221] set_robust_list(0x7f0c2cd339a0, 24 [pid 9220] rt_sigprocmask(SIG_SETMASK, [] [pid 9221] <... set_robust_list resumed>) = 0 [pid 9220] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9221] rt_sigprocmask(SIG_SETMASK, [] [pid 9220] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9221] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9220] <... futex resumed>) = 0 [pid 9221] memfd_create("syzkaller", 0) = 3 [pid 9220] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9221] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9221] munmap(0x7f0c24913000, 138412032) = 0 [pid 9221] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9221] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9221] close(3) = 0 [pid 9221] close(4) = 0 [pid 9221] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9221] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9221] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9221] ioctl(3, LOOP_CLR_FD) = 0 [pid 9221] close(3) = 0 [pid 9221] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9220] <... futex resumed>) = 0 [pid 9221] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9220] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9221] <... futex resumed>) = 0 [pid 9220] <... futex resumed>) = 1 [pid 9221] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9220] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9221] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9221] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9220] <... futex resumed>) = 0 [pid 9221] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9220] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9220] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9221] <... futex resumed>) = 0 [pid 9221] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9221] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9220] <... futex resumed>) = 0 [pid 9221] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9220] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9221] <... futex resumed>) = 0 [pid 9221] pwrite64(3, "\x02\x00", 2, 4 [pid 9220] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9221] <... pwrite64 resumed>) = 2 [pid 9221] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9221] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9220] <... futex resumed>) = 0 [pid 9220] exit_group(0 [pid 9221] <... futex resumed>) = ? [pid 9220] <... exit_group resumed>) = ? [pid 9221] +++ exited with 0 +++ [pid 9220] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 388.649023][ T9221] loop0: detected capacity change from 0 to 512 [ 388.658257][ T9221] EXT4-fs: quotafile must be on filesystem root close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9222 attached , child_tidptr=0x555585adc6d0) = 9222 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9222] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9222] <... set_robust_list resumed>) = 0 [pid 9222] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9222] setpgid(0, 0) = 0 [pid 9222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9222] write(3, "1000", 4) = 4 [pid 9222] close(3) = 0 [pid 9222] write(1, "executing program\n", 18) = 18 executing program [pid 9222] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9222] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9222] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9222] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9222] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9222] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9222] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9223 attached => {parent_tid=[9223]}, 88) = 9223 [pid 9223] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9222] rt_sigprocmask(SIG_SETMASK, [] [pid 9223] <... rseq resumed>) = 0 [pid 9222] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9223] set_robust_list(0x7f0c2cd339a0, 24 [pid 9222] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9223] <... set_robust_list resumed>) = 0 [pid 9222] <... futex resumed>) = 0 [pid 9223] rt_sigprocmask(SIG_SETMASK, [] [pid 9222] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9223] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9223] memfd_create("syzkaller", 0) = 3 [pid 9223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9223] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9223] munmap(0x7f0c24913000, 138412032) = 0 [pid 9223] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9223] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9223] close(3) = 0 [pid 9223] close(4) = 0 [pid 9223] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9223] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9223] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9223] ioctl(3, LOOP_CLR_FD) = 0 [pid 9223] close(3) = 0 [pid 9223] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9222] <... futex resumed>) = 0 [pid 9223] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9222] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9222] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9223] <... futex resumed>) = 0 [pid 9223] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9223] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9222] <... futex resumed>) = 0 [pid 9223] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9222] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9223] <... futex resumed>) = 0 [pid 9222] <... futex resumed>) = 1 [pid 9223] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9222] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9223] <... openat resumed>) = 3 [pid 9223] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9222] <... futex resumed>) = 0 [pid 9223] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9222] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9223] <... futex resumed>) = 0 [pid 9222] <... futex resumed>) = 1 [pid 9223] pwrite64(3, "\x02\x00", 2, 4 [pid 9222] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9223] <... pwrite64 resumed>) = 2 [pid 9223] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9222] <... futex resumed>) = 0 [pid 9223] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9222] exit_group(0) = ? [pid 9223] <... futex resumed>) = ? [pid 9223] +++ exited with 0 +++ [pid 9222] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 388.772677][ T9223] loop0: detected capacity change from 0 to 512 [ 388.787077][ T9223] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9224 attached , child_tidptr=0x555585adc6d0) = 9224 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9224] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9224] <... set_robust_list resumed>) = 0 [pid 9224] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9224] setpgid(0, 0) = 0 [pid 9224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9224] write(3, "1000", 4) = 4 [pid 9224] close(3) = 0 [pid 9224] write(1, "executing program\n", 18) = 18 executing program [pid 9224] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9224] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9224] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9224] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9224] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9225 attached => {parent_tid=[9225]}, 88) = 9225 [pid 9224] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9224] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9224] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9225] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9225] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9225] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9225] memfd_create("syzkaller", 0) = 3 [pid 9225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9225] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9225] munmap(0x7f0c24913000, 138412032) = 0 [pid 9225] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9225] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9225] close(3) = 0 [pid 9225] close(4) = 0 [pid 9225] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9225] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9225] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9225] ioctl(3, LOOP_CLR_FD) = 0 [pid 9225] close(3) = 0 [pid 9225] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9225] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9224] <... futex resumed>) = 0 [pid 9224] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9225] <... futex resumed>) = 0 [pid 9224] <... futex resumed>) = 1 [pid 9225] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9224] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9225] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9225] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9224] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9225] <... futex resumed>) = 0 [pid 9224] <... futex resumed>) = 1 [pid 9225] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9224] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9225] <... openat resumed>) = 3 [pid 9225] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9224] <... futex resumed>) = 0 [pid 9225] pwrite64(3, "\x02\x00", 2, 4 [pid 9224] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9225] <... pwrite64 resumed>) = 2 [pid 9224] <... futex resumed>) = 0 [pid 9225] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9224] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9225] <... futex resumed>) = 0 [pid 9224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9225] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9224] exit_group(0 [pid 9225] <... futex resumed>) = ? [pid 9224] <... exit_group resumed>) = ? [pid 9225] +++ exited with 0 +++ [pid 9224] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9224, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [ 388.914086][ T9225] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9226 ci2-upstream-fs/strace-static-x86_64: Process 9226 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9226] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9226] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9226] setpgid(0, 0) = 0 [pid 9226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9226] write(3, "1000", 4) = 4 [pid 9226] close(3) = 0 executing program [pid 9226] write(1, "executing program\n", 18) = 18 [pid 9226] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9226] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9226] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9226] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9226] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9227 attached => {parent_tid=[9227]}, 88) = 9227 [pid 9227] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9226] rt_sigprocmask(SIG_SETMASK, [] [pid 9227] <... rseq resumed>) = 0 [pid 9226] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9227] set_robust_list(0x7f0c2cd339a0, 24 [pid 9226] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9227] <... set_robust_list resumed>) = 0 [pid 9226] <... futex resumed>) = 0 [pid 9227] rt_sigprocmask(SIG_SETMASK, [] [pid 9226] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9227] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9227] memfd_create("syzkaller", 0) = 3 [pid 9227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9227] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9227] munmap(0x7f0c24913000, 138412032) = 0 [pid 9227] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9227] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9227] close(3) = 0 [pid 9227] close(4) = 0 [pid 9227] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9227] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9227] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9227] ioctl(3, LOOP_CLR_FD) = 0 [pid 9227] close(3) = 0 [pid 9227] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9226] <... futex resumed>) = 0 [pid 9227] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9226] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9226] <... futex resumed>) = 0 [pid 9227] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9226] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9227] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9227] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9226] <... futex resumed>) = 0 [pid 9227] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9226] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9226] <... futex resumed>) = 0 [pid 9227] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9226] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9227] <... openat resumed>) = 3 [pid 9227] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9226] <... futex resumed>) = 0 [pid 9227] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9226] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9226] <... futex resumed>) = 0 [pid 9227] pwrite64(3, "\x02\x00", 2, 4 [pid 9226] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9227] <... pwrite64 resumed>) = 2 [pid 9227] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9226] <... futex resumed>) = 0 [pid 9227] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9226] exit_group(0 [pid 9227] <... futex resumed>) = ? [pid 9226] <... exit_group resumed>) = ? [pid 9227] +++ exited with 0 +++ [pid 9226] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9226, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 389.043336][ T9227] EXT4-fs: quotafile must be on filesystem root close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9228 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 9228 attached [pid 9228] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9228] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9228] setpgid(0, 0) = 0 [pid 9228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9228] write(3, "1000", 4) = 4 [pid 9228] close(3) = 0 executing program [pid 9228] write(1, "executing program\n", 18) = 18 [pid 9228] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9228] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9228] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9228] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9228] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9228] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9229 attached [pid 9229] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9229] set_robust_list(0x7f0c2cd339a0, 24 [pid 9228] <... clone3 resumed> => {parent_tid=[9229]}, 88) = 9229 [pid 9229] <... set_robust_list resumed>) = 0 [pid 9228] rt_sigprocmask(SIG_SETMASK, [] [pid 9229] rt_sigprocmask(SIG_SETMASK, [] [pid 9228] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9229] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9228] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9229] memfd_create("syzkaller", 0 [pid 9228] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9229] <... memfd_create resumed>) = 3 [pid 9229] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9229] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9229] munmap(0x7f0c24913000, 138412032) = 0 [pid 9229] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9229] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9229] close(3) = 0 [pid 9229] close(4) = 0 [pid 9229] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9229] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9229] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9229] ioctl(3, LOOP_CLR_FD) = 0 [pid 9229] close(3) = 0 [pid 9229] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9228] <... futex resumed>) = 0 [pid 9229] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9228] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9229] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9228] <... futex resumed>) = 0 [pid 9228] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9229] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9229] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9228] <... futex resumed>) = 0 [pid 9229] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9228] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9229] <... openat resumed>) = 3 [pid 9228] <... futex resumed>) = 0 [pid 9228] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9229] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9229] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9228] <... futex resumed>) = 0 [pid 9228] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9228] <... futex resumed>) = 0 [pid 9229] pwrite64(3, "\x02\x00", 2, 4 [pid 9228] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9229] <... pwrite64 resumed>) = 2 [pid 9229] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9228] <... futex resumed>) = 0 [pid 9228] exit_group(0) = ? [pid 9229] +++ exited with 0 +++ [pid 9228] +++ exited with 0 +++ [ 389.178565][ T9229] EXT4-fs: quotafile must be on filesystem root --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9228, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9230 attached , child_tidptr=0x555585adc6d0) = 9230 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9230] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9230] <... set_robust_list resumed>) = 0 [pid 9230] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9230] setpgid(0, 0) = 0 [pid 9230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9230] write(3, "1000", 4) = 4 [pid 9230] close(3) = 0 executing program [pid 9230] write(1, "executing program\n", 18) = 18 [pid 9230] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9230] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9230] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9230] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9230] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9231 attached => {parent_tid=[9231]}, 88) = 9231 [pid 9231] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9230] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9231] <... rseq resumed>) = 0 [pid 9230] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9231] set_robust_list(0x7f0c2cd339a0, 24 [pid 9230] <... futex resumed>) = 0 [pid 9230] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9231] <... set_robust_list resumed>) = 0 [pid 9231] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9231] memfd_create("syzkaller", 0) = 3 [pid 9231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9231] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9231] munmap(0x7f0c24913000, 138412032) = 0 [pid 9231] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9231] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9231] close(3) = 0 [pid 9231] close(4) = 0 [pid 9231] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9231] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9231] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9231] ioctl(3, LOOP_CLR_FD) = 0 [pid 9231] close(3) = 0 [pid 9231] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9230] <... futex resumed>) = 0 [pid 9230] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9231] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9230] <... futex resumed>) = 0 [pid 9230] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9231] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9231] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9230] <... futex resumed>) = 0 [pid 9231] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9230] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9230] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9231] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9231] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9230] <... futex resumed>) = 0 [pid 9231] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9230] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9230] <... futex resumed>) = 0 [pid 9231] pwrite64(3, "\x02\x00", 2, 4 [pid 9230] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9231] <... pwrite64 resumed>) = 2 [pid 9231] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9230] <... futex resumed>) = 0 [pid 9230] exit_group(0 [pid 9231] +++ exited with 0 +++ [pid 9230] <... exit_group resumed>) = ? [pid 9230] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9232 attached , child_tidptr=0x555585adc6d0) = 9232 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9232] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9232] <... set_robust_list resumed>) = 0 [ 389.313418][ T9231] EXT4-fs: quotafile must be on filesystem root [pid 9232] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9232] setpgid(0, 0) = 0 [pid 9232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9232] write(3, "1000", 4) = 4 [pid 9232] close(3) = 0 [pid 9232] write(1, "executing program\n", 18) = 18 executing program [pid 9232] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9232] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9232] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9232] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9232] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9233 attached [pid 9233] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9233] set_robust_list(0x7f0c2cd339a0, 24 [pid 9232] <... clone3 resumed> => {parent_tid=[9233]}, 88) = 9233 [pid 9233] <... set_robust_list resumed>) = 0 [pid 9232] rt_sigprocmask(SIG_SETMASK, [] [pid 9233] rt_sigprocmask(SIG_SETMASK, [] [pid 9232] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9233] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9233] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9232] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9233] <... futex resumed>) = 0 [pid 9232] <... futex resumed>) = 1 [pid 9233] memfd_create("syzkaller", 0 [pid 9232] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9233] <... memfd_create resumed>) = 3 [pid 9233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9233] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9233] munmap(0x7f0c24913000, 138412032) = 0 [pid 9233] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9233] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9233] close(3) = 0 [pid 9233] close(4) = 0 [pid 9233] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9233] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9233] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9233] ioctl(3, LOOP_CLR_FD) = 0 [pid 9233] close(3) = 0 [pid 9233] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9232] <... futex resumed>) = 0 [pid 9233] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9232] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9233] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9232] <... futex resumed>) = 0 [pid 9232] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9233] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9233] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9232] <... futex resumed>) = 0 [pid 9233] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9232] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9233] <... futex resumed>) = 0 [pid 9232] <... futex resumed>) = 1 [pid 9233] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9232] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9233] <... openat resumed>) = 3 [pid 9233] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9232] <... futex resumed>) = 0 [pid 9233] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9232] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9232] <... futex resumed>) = 0 [pid 9233] pwrite64(3, "\x02\x00", 2, 4 [pid 9232] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9233] <... pwrite64 resumed>) = 2 [pid 9233] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9232] <... futex resumed>) = 0 [pid 9233] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9232] exit_group(0) = ? [pid 9233] <... futex resumed>) = ? [pid 9233] +++ exited with 0 +++ [pid 9232] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9232, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9234 attached [ 389.414185][ T9233] EXT4-fs: quotafile must be on filesystem root [pid 9234] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9234 [pid 9234] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9234] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9234] setpgid(0, 0) = 0 [pid 9234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9234] write(3, "1000", 4) = 4 [pid 9234] close(3) = 0 [pid 9234] write(1, "executing program\n", 18) = 18 executing program [pid 9234] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9234] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9234] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9234] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9234] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9235 attached [pid 9235] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9234] <... clone3 resumed> => {parent_tid=[9235]}, 88) = 9235 [pid 9235] <... rseq resumed>) = 0 [pid 9234] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9234] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9234] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9235] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9235] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9235] memfd_create("syzkaller", 0) = 3 [pid 9235] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9235] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9235] munmap(0x7f0c24913000, 138412032) = 0 [pid 9235] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9235] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9235] close(3) = 0 [pid 9235] close(4) = 0 [pid 9235] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9235] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9235] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9235] ioctl(3, LOOP_CLR_FD) = 0 [pid 9235] close(3) = 0 [pid 9235] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9235] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9234] <... futex resumed>) = 0 [pid 9234] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9235] <... futex resumed>) = 0 [pid 9234] <... futex resumed>) = 1 [pid 9235] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9234] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9235] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9235] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9234] <... futex resumed>) = 0 [pid 9234] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9235] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9234] <... futex resumed>) = 0 [pid 9234] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9235] <... openat resumed>) = 3 [pid 9235] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9234] <... futex resumed>) = 0 [pid 9235] pwrite64(3, "\x02\x00", 2, 4 [pid 9234] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9235] <... pwrite64 resumed>) = 2 [pid 9234] <... futex resumed>) = 0 [pid 9235] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9234] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9234] exit_group(0 [pid 9235] <... futex resumed>) = 0 [pid 9234] <... exit_group resumed>) = ? [pid 9235] +++ exited with 0 +++ [pid 9234] +++ exited with 0 +++ [ 389.523112][ T9235] EXT4-fs: quotafile must be on filesystem root --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9236 ci2-upstream-fs/strace-static-x86_64: Process 9236 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9236] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9236] <... set_robust_list resumed>) = 0 [pid 9236] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9236] setpgid(0, 0) = 0 [pid 9236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9236] write(3, "1000", 4) = 4 [pid 9236] close(3) = 0 [pid 9236] write(1, "executing program\n", 18) = 18 executing program [pid 9236] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9236] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9236] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9236] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9236] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9236] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9237 attached [pid 9237] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9236] <... clone3 resumed> => {parent_tid=[9237]}, 88) = 9237 [pid 9237] <... rseq resumed>) = 0 [pid 9237] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9237] rt_sigprocmask(SIG_SETMASK, [] [pid 9236] rt_sigprocmask(SIG_SETMASK, [] [pid 9237] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9236] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9237] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9236] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9237] memfd_create("syzkaller", 0) = 3 [pid 9236] <... futex resumed>) = 0 [pid 9237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9236] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9237] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9237] munmap(0x7f0c24913000, 138412032) = 0 [pid 9237] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9237] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9237] close(3) = 0 [pid 9237] close(4) = 0 [pid 9237] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9237] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9237] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9237] ioctl(3, LOOP_CLR_FD) = 0 [pid 9237] close(3) = 0 [pid 9237] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9236] <... futex resumed>) = 0 [pid 9237] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9236] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9237] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9236] <... futex resumed>) = 0 [pid 9237] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9236] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9237] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9237] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9236] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9237] <... futex resumed>) = 0 [pid 9236] <... futex resumed>) = 1 [pid 9237] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9236] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9237] <... openat resumed>) = 3 [pid 9237] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9237] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9236] <... futex resumed>) = 0 [pid 9236] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9237] <... futex resumed>) = 0 [pid 9236] <... futex resumed>) = 1 [pid 9237] pwrite64(3, "\x02\x00", 2, 4 [pid 9236] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9237] <... pwrite64 resumed>) = 2 [pid 9237] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9237] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9236] <... futex resumed>) = 0 [pid 9236] exit_group(0) = ? [pid 9237] <... futex resumed>) = ? [pid 9237] +++ exited with 0 +++ [pid 9236] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9236, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 389.643985][ T9237] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9238 attached , child_tidptr=0x555585adc6d0) = 9238 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9238] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9238] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9238] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9238] setpgid(0, 0) = 0 [pid 9238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9238] write(3, "1000", 4) = 4 [pid 9238] close(3) = 0 [pid 9238] write(1, "executing program\n", 18) = 18 executing program [pid 9238] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9238] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9238] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9238] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9238] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9239]}, 88) = 9239 ci2-upstream-fs/strace-static-x86_64: Process 9239 attached [pid 9239] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9238] rt_sigprocmask(SIG_SETMASK, [] [pid 9239] <... rseq resumed>) = 0 [pid 9238] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9238] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9239] set_robust_list(0x7f0c2cd339a0, 24 [pid 9238] <... futex resumed>) = 0 [pid 9238] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9239] <... set_robust_list resumed>) = 0 [pid 9239] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9239] memfd_create("syzkaller", 0) = 3 [pid 9239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9239] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9239] munmap(0x7f0c24913000, 138412032) = 0 [pid 9239] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9239] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9239] close(3) = 0 [pid 9239] close(4) = 0 [pid 9239] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9239] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9239] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9239] ioctl(3, LOOP_CLR_FD) = 0 [pid 9239] close(3) = 0 [pid 9239] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9238] <... futex resumed>) = 0 [pid 9238] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9238] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9239] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9239] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9238] <... futex resumed>) = 0 [pid 9239] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9238] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9238] <... futex resumed>) = 0 [pid 9239] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9238] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9239] <... openat resumed>) = 3 [pid 9239] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9238] <... futex resumed>) = 0 [pid 9239] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9238] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9238] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9239] <... futex resumed>) = 0 [pid 9239] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9239] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9238] <... futex resumed>) = 0 [pid 9239] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9238] exit_group(0) = ? [pid 9239] <... futex resumed>) = ? [pid 9239] +++ exited with 0 +++ [pid 9238] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9240 ci2-upstream-fs/strace-static-x86_64: Process 9240 attached [ 389.795352][ T9239] EXT4-fs: quotafile must be on filesystem root [pid 9240] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9240] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9240] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9240] setpgid(0, 0) = 0 [pid 9240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9240] write(3, "1000", 4) = 4 [pid 9240] close(3) = 0 [pid 9240] write(1, "executing program\n", 18) = 18 executing program [pid 9240] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9240] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9240] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9240] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9240] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9241 attached [pid 9241] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9240] <... clone3 resumed> => {parent_tid=[9241]}, 88) = 9241 [pid 9241] <... rseq resumed>) = 0 [pid 9241] set_robust_list(0x7f0c2cd339a0, 24 [pid 9240] rt_sigprocmask(SIG_SETMASK, [] [pid 9241] <... set_robust_list resumed>) = 0 [pid 9240] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9241] rt_sigprocmask(SIG_SETMASK, [] [pid 9240] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9241] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9240] <... futex resumed>) = 0 [pid 9241] memfd_create("syzkaller", 0 [pid 9240] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9241] <... memfd_create resumed>) = 3 [pid 9241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9241] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9241] munmap(0x7f0c24913000, 138412032) = 0 [pid 9241] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9241] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9241] close(3) = 0 [pid 9241] close(4) = 0 [pid 9241] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9241] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9241] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9241] ioctl(3, LOOP_CLR_FD) = 0 [pid 9241] close(3) = 0 [pid 9241] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9241] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9240] <... futex resumed>) = 0 [pid 9240] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9241] <... futex resumed>) = 0 [pid 9240] <... futex resumed>) = 1 [pid 9241] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9240] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9241] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9240] <... futex resumed>) = 0 [pid 9241] <... futex resumed>) = 1 [pid 9240] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9241] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9240] <... futex resumed>) = 0 [pid 9240] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9241] <... openat resumed>) = 3 [pid 9241] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9240] <... futex resumed>) = 0 [pid 9240] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9241] pwrite64(3, "\x02\x00", 2, 4 [pid 9240] <... futex resumed>) = 0 [pid 9240] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9241] <... pwrite64 resumed>) = 2 [pid 9241] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9240] <... futex resumed>) = 0 [pid 9241] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9240] exit_group(0 [pid 9241] <... futex resumed>) = ? [pid 9240] <... exit_group resumed>) = ? [pid 9241] +++ exited with 0 +++ [pid 9240] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 389.901359][ T9241] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9242 attached [pid 9242] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9242 [pid 9242] <... set_robust_list resumed>) = 0 [pid 9242] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9242] <... prctl resumed>) = 0 [pid 9242] setpgid(0, 0) = 0 [pid 9242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9242] write(3, "1000", 4) = 4 [pid 9242] close(3) = 0 [pid 9242] write(1, "executing program\n", 18) = 18 executing program [pid 9242] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9242] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9242] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9242] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9242] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9243 attached => {parent_tid=[9243]}, 88) = 9243 [pid 9243] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9242] rt_sigprocmask(SIG_SETMASK, [] [pid 9243] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9243] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9243] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9242] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9242] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9243] <... futex resumed>) = 0 [pid 9243] memfd_create("syzkaller", 0 [pid 9242] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9243] <... memfd_create resumed>) = 3 [pid 9243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9243] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9243] munmap(0x7f0c24913000, 138412032) = 0 [pid 9243] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9243] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9243] close(3) = 0 [pid 9243] close(4) = 0 [pid 9243] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9243] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9243] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9243] ioctl(3, LOOP_CLR_FD) = 0 [pid 9243] close(3) = 0 [pid 9243] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9242] <... futex resumed>) = 0 [pid 9243] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9242] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9243] <... futex resumed>) = 0 [pid 9243] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9242] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9243] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9243] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9242] <... futex resumed>) = 0 [pid 9243] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9242] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9242] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9243] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9243] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9242] <... futex resumed>) = 0 [pid 9243] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9242] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9242] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9243] <... futex resumed>) = 0 [pid 9243] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9243] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9243] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9242] <... futex resumed>) = 0 [pid 9242] exit_group(0 [pid 9243] <... futex resumed>) = ? [pid 9242] <... exit_group resumed>) = ? [pid 9243] +++ exited with 0 +++ [pid 9242] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 390.014780][ T9243] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9244 attached , child_tidptr=0x555585adc6d0) = 9244 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9244] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9244] <... set_robust_list resumed>) = 0 [pid 9244] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9244] setpgid(0, 0) = 0 [pid 9244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9244] write(3, "1000", 4) = 4 [pid 9244] close(3) = 0 [pid 9244] write(1, "executing program\n", 18) = 18 executing program [pid 9244] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9244] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9244] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9244] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9244] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9245 attached [pid 9245] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9244] <... clone3 resumed> => {parent_tid=[9245]}, 88) = 9245 [pid 9245] <... rseq resumed>) = 0 [pid 9244] rt_sigprocmask(SIG_SETMASK, [] [pid 9245] set_robust_list(0x7f0c2cd339a0, 24 [pid 9244] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9245] <... set_robust_list resumed>) = 0 [pid 9245] rt_sigprocmask(SIG_SETMASK, [] [pid 9244] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9245] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9244] <... futex resumed>) = 0 [pid 9245] memfd_create("syzkaller", 0 [pid 9244] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9245] <... memfd_create resumed>) = 3 [pid 9245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9245] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9245] munmap(0x7f0c24913000, 138412032) = 0 [pid 9245] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9245] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9245] close(3) = 0 [pid 9245] close(4) = 0 [pid 9245] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9245] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9245] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9245] ioctl(3, LOOP_CLR_FD) = 0 [pid 9245] close(3) = 0 [pid 9245] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9244] <... futex resumed>) = 0 [pid 9245] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9244] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9245] <... futex resumed>) = 0 [pid 9244] <... futex resumed>) = 1 [pid 9245] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9244] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9245] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9245] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9245] <... futex resumed>) = 0 [pid 9245] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9244] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9245] <... openat resumed>) = 3 [pid 9244] <... futex resumed>) = 0 [pid 9245] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9244] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9245] <... futex resumed>) = 0 [pid 9244] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9245] pwrite64(3, "\x02\x00", 2, 4 [pid 9244] <... futex resumed>) = 0 [pid 9245] <... pwrite64 resumed>) = 2 [pid 9245] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9245] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9244] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9244] exit_group(0 [pid 9245] <... futex resumed>) = ? [pid 9244] <... exit_group resumed>) = ? [pid 9245] +++ exited with 0 +++ [pid 9244] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9244, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9246 attached , child_tidptr=0x555585adc6d0) = 9246 [ 390.149040][ T9245] EXT4-fs: quotafile must be on filesystem root [pid 9246] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9246] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9246] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9246] setpgid(0, 0) = 0 [pid 9246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9246] write(3, "1000", 4) = 4 [pid 9246] close(3) = 0 [pid 9246] write(1, "executing program\n", 18) = 18 executing program [pid 9246] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9246] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9246] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9246] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9246] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9246] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9247 attached [pid 9247] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9246] <... clone3 resumed> => {parent_tid=[9247]}, 88) = 9247 [pid 9247] <... rseq resumed>) = 0 [pid 9246] rt_sigprocmask(SIG_SETMASK, [] [pid 9247] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9246] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9247] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9247] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9246] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9246] <... futex resumed>) = 0 [pid 9247] memfd_create("syzkaller", 0 [pid 9246] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9247] <... memfd_create resumed>) = 3 [pid 9247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9247] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9247] munmap(0x7f0c24913000, 138412032) = 0 [pid 9247] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9247] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9247] close(3) = 0 [pid 9247] close(4) = 0 [pid 9247] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9247] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9247] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9247] ioctl(3, LOOP_CLR_FD) = 0 [pid 9247] close(3) = 0 [pid 9247] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9246] <... futex resumed>) = 0 [pid 9247] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9246] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9247] <... futex resumed>) = 0 [pid 9246] <... futex resumed>) = 1 [pid 9247] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9246] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9247] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9247] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9246] <... futex resumed>) = 0 [pid 9246] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9247] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9246] <... futex resumed>) = 0 [pid 9246] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9247] <... openat resumed>) = 3 [pid 9247] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9246] <... futex resumed>) = 0 [pid 9247] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9246] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9247] pwrite64(3, "\x02\x00", 2, 4 [pid 9246] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9247] <... pwrite64 resumed>) = 2 [pid 9247] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9246] <... futex resumed>) = 0 [pid 9246] exit_group(0) = ? [pid 9247] +++ exited with 0 +++ [pid 9246] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9246, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9248 attached [pid 9248] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9248 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9248] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9248] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9248] setpgid(0, 0) = 0 [pid 9248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9248] write(3, "1000", 4) = 4 [pid 9248] close(3) = 0 [pid 9248] write(1, "executing program\n", 18) = 18 executing program [pid 9248] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9248] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9248] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9248] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9248] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9249 attached [pid 9249] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9248] <... clone3 resumed> => {parent_tid=[9249]}, 88) = 9249 [pid 9249] <... rseq resumed>) = 0 [pid 9248] rt_sigprocmask(SIG_SETMASK, [] [ 390.247641][ T9247] EXT4-fs: quotafile must be on filesystem root [pid 9249] set_robust_list(0x7f0c2cd339a0, 24 [pid 9248] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9249] <... set_robust_list resumed>) = 0 [pid 9248] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9249] rt_sigprocmask(SIG_SETMASK, [] [pid 9248] <... futex resumed>) = 0 [pid 9249] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9248] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9249] memfd_create("syzkaller", 0) = 3 [pid 9249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9249] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9249] munmap(0x7f0c24913000, 138412032) = 0 [pid 9249] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9249] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9249] close(3) = 0 [pid 9249] close(4) = 0 [pid 9249] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9249] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9249] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9249] ioctl(3, LOOP_CLR_FD) = 0 [pid 9249] close(3) = 0 [pid 9249] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9248] <... futex resumed>) = 0 [pid 9249] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9248] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9248] <... futex resumed>) = 0 [pid 9249] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9248] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9249] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9249] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9248] <... futex resumed>) = 0 [pid 9249] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9248] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9248] <... futex resumed>) = 0 [pid 9249] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9248] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9249] <... openat resumed>) = 3 [pid 9249] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9248] <... futex resumed>) = 0 [pid 9249] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9248] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9248] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9249] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9249] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9248] <... futex resumed>) = 0 [pid 9249] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9248] exit_group(0) = ? [pid 9249] <... futex resumed>) = ? [pid 9249] +++ exited with 0 +++ [pid 9248] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9248, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 390.352864][ T9249] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9250 attached , child_tidptr=0x555585adc6d0) = 9250 [pid 9250] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9250] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9250] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9250] setpgid(0, 0) = 0 [pid 9250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9250] write(3, "1000", 4) = 4 [pid 9250] close(3) = 0 executing program [pid 9250] write(1, "executing program\n", 18) = 18 [pid 9250] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9250] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9250] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9250] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9251 attached [pid 9251] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9250] <... clone3 resumed> => {parent_tid=[9251]}, 88) = 9251 [pid 9251] <... rseq resumed>) = 0 [pid 9250] rt_sigprocmask(SIG_SETMASK, [] [pid 9251] set_robust_list(0x7f0c2cd339a0, 24 [pid 9250] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9251] <... set_robust_list resumed>) = 0 [pid 9250] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9251] rt_sigprocmask(SIG_SETMASK, [] [pid 9250] <... futex resumed>) = 0 [pid 9251] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9251] memfd_create("syzkaller", 0 [pid 9250] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9251] <... memfd_create resumed>) = 3 [pid 9251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9251] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9251] munmap(0x7f0c24913000, 138412032) = 0 [pid 9251] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9251] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9251] close(3) = 0 [pid 9251] close(4) = 0 [pid 9251] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9251] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9251] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9251] ioctl(3, LOOP_CLR_FD) = 0 [pid 9251] close(3) = 0 [pid 9251] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9250] <... futex resumed>) = 0 [pid 9251] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9250] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9250] <... futex resumed>) = 0 [pid 9251] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9250] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9251] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9251] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9250] <... futex resumed>) = 0 [pid 9251] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9250] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9251] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9250] <... futex resumed>) = 0 [pid 9251] <... openat resumed>) = 3 [pid 9250] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9251] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9250] <... futex resumed>) = 0 [pid 9251] <... futex resumed>) = 1 [pid 9250] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9251] pwrite64(3, "\x02\x00", 2, 4 [pid 9250] <... futex resumed>) = 0 [pid 9250] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9251] <... pwrite64 resumed>) = 2 [pid 9251] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9250] <... futex resumed>) = 0 [pid 9250] exit_group(0 [pid 9251] ???( [pid 9250] <... exit_group resumed>) = ? [pid 9251] <... ??? resumed>) = ? [pid 9251] +++ exited with 0 +++ [pid 9250] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9252 attached , child_tidptr=0x555585adc6d0) = 9252 [pid 9252] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9252] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9252] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9252] setpgid(0, 0) = 0 [pid 9252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 390.453645][ T9251] EXT4-fs: quotafile must be on filesystem root [pid 9252] write(3, "1000", 4) = 4 [pid 9252] close(3) = 0 [pid 9252] write(1, "executing program\n", 18) = 18 executing program [pid 9252] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9252] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9252] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9252] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9252] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9252] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9253 attached => {parent_tid=[9253]}, 88) = 9253 [pid 9253] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9252] rt_sigprocmask(SIG_SETMASK, [] [pid 9253] <... rseq resumed>) = 0 [pid 9253] set_robust_list(0x7f0c2cd339a0, 24 [pid 9252] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9253] <... set_robust_list resumed>) = 0 [pid 9252] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9253] rt_sigprocmask(SIG_SETMASK, [] [pid 9252] <... futex resumed>) = 0 [pid 9253] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9252] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9253] memfd_create("syzkaller", 0) = 3 [pid 9253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9253] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9253] munmap(0x7f0c24913000, 138412032) = 0 [pid 9253] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9253] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9253] close(3) = 0 [pid 9253] close(4) = 0 [pid 9253] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9253] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9253] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9253] ioctl(3, LOOP_CLR_FD) = 0 [pid 9253] close(3) = 0 [pid 9253] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9252] <... futex resumed>) = 0 [pid 9252] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9252] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9253] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9253] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9252] <... futex resumed>) = 0 [pid 9252] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9252] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9253] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9253] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9252] <... futex resumed>) = 0 [pid 9252] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9252] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9253] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9253] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9252] <... futex resumed>) = 0 [pid 9253] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9252] exit_group(0) = ? [pid 9253] <... futex resumed>) = ? [pid 9253] +++ exited with 0 +++ [pid 9252] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9252, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9254 attached , child_tidptr=0x555585adc6d0) = 9254 [pid 9254] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9254] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9254] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 390.578306][ T9253] EXT4-fs: quotafile must be on filesystem root [pid 9254] setpgid(0, 0) = 0 [pid 9254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9254] write(3, "1000", 4) = 4 [pid 9254] close(3) = 0 [pid 9254] write(1, "executing program\n", 18) = 18 [pid 9254] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9254] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9254] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9254] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9254] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9254] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9255 attached [pid 9255] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9254] <... clone3 resumed> => {parent_tid=[9255]}, 88) = 9255 [pid 9255] <... rseq resumed>) = 0 [pid 9255] set_robust_list(0x7f0c2cd339a0, 24 [pid 9254] rt_sigprocmask(SIG_SETMASK, [] [pid 9255] <... set_robust_list resumed>) = 0 [pid 9254] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9255] rt_sigprocmask(SIG_SETMASK, [] [pid 9254] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9255] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9254] <... futex resumed>) = 0 [pid 9255] memfd_create("syzkaller", 0 [pid 9254] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9255] <... memfd_create resumed>) = 3 [pid 9255] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9255] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9255] munmap(0x7f0c24913000, 138412032) = 0 [pid 9255] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9255] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9255] close(3) = 0 [pid 9255] close(4) = 0 [pid 9255] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9255] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9255] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9255] ioctl(3, LOOP_CLR_FD) = 0 [pid 9255] close(3) = 0 [pid 9255] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9254] <... futex resumed>) = 0 [pid 9255] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9254] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9255] <... futex resumed>) = 0 [pid 9254] <... futex resumed>) = 1 [pid 9255] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9254] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9255] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9255] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9254] <... futex resumed>) = 0 [pid 9255] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9254] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9255] <... futex resumed>) = 0 [pid 9254] <... futex resumed>) = 1 [pid 9255] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9254] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9255] <... openat resumed>) = 3 [pid 9255] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9254] <... futex resumed>) = 0 [pid 9255] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9254] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9255] <... futex resumed>) = 0 [pid 9254] <... futex resumed>) = 1 [pid 9254] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9255] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9255] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9254] <... futex resumed>) = 0 [pid 9255] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9254] exit_group(0 [pid 9255] <... futex resumed>) = ? [pid 9254] <... exit_group resumed>) = ? [pid 9255] +++ exited with 0 +++ [pid 9254] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9254, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9256 attached , child_tidptr=0x555585adc6d0) = 9256 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9256] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9256] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9256] setpgid(0, 0) = 0 [pid 9256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9256] write(3, "1000", 4) = 4 [pid 9256] close(3) = 0 executing program [pid 9256] write(1, "executing program\n", 18) = 18 [pid 9256] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9256] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9256] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9256] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [ 390.688991][ T9255] EXT4-fs: quotafile must be on filesystem root [pid 9256] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9256] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9257 attached [pid 9257] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9257] set_robust_list(0x7f0c2cd339a0, 24 [pid 9256] <... clone3 resumed> => {parent_tid=[9257]}, 88) = 9257 [pid 9256] rt_sigprocmask(SIG_SETMASK, [] [pid 9257] <... set_robust_list resumed>) = 0 [pid 9257] rt_sigprocmask(SIG_SETMASK, [] [pid 9256] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9257] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9256] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9256] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9257] memfd_create("syzkaller", 0) = 3 [pid 9257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9257] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9257] munmap(0x7f0c24913000, 138412032) = 0 [pid 9257] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9257] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9257] close(3) = 0 [pid 9257] close(4) = 0 [pid 9257] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9257] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9257] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9257] ioctl(3, LOOP_CLR_FD) = 0 [pid 9257] close(3) = 0 [pid 9257] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9256] <... futex resumed>) = 0 [pid 9256] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9257] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9256] <... futex resumed>) = 0 [pid 9256] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9257] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9257] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9256] <... futex resumed>) = 0 [pid 9257] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9256] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9257] <... openat resumed>) = 3 [pid 9256] <... futex resumed>) = 0 [pid 9256] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9257] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9257] <... futex resumed>) = 0 [pid 9257] pwrite64(3, "\x02\x00", 2, 4 [pid 9256] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9257] <... pwrite64 resumed>) = 2 [pid 9256] <... futex resumed>) = 0 [pid 9256] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9257] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9256] <... futex resumed>) = 0 [pid 9257] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9256] exit_group(0 [pid 9257] <... futex resumed>) = ? [pid 9256] <... exit_group resumed>) = ? [pid 9257] +++ exited with 0 +++ [pid 9256] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9256, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 390.820156][ T9257] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9258 attached , child_tidptr=0x555585adc6d0) = 9258 [pid 9258] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9258] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9258] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9258] setpgid(0, 0) = 0 [pid 9258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9258] write(3, "1000", 4) = 4 [pid 9258] close(3) = 0 executing program [pid 9258] write(1, "executing program\n", 18) = 18 [pid 9258] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9258] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9258] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9258] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9258] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9258] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9259 attached [pid 9259] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9258] <... clone3 resumed> => {parent_tid=[9259]}, 88) = 9259 [pid 9259] <... rseq resumed>) = 0 [pid 9259] set_robust_list(0x7f0c2cd339a0, 24 [pid 9258] rt_sigprocmask(SIG_SETMASK, [] [pid 9259] <... set_robust_list resumed>) = 0 [pid 9258] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9259] rt_sigprocmask(SIG_SETMASK, [] [pid 9258] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9259] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9258] <... futex resumed>) = 0 [pid 9259] memfd_create("syzkaller", 0 [pid 9258] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9259] <... memfd_create resumed>) = 3 [pid 9259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9259] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9259] munmap(0x7f0c24913000, 138412032) = 0 [pid 9259] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9259] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9259] close(3) = 0 [pid 9259] close(4) = 0 [pid 9259] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9259] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9259] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9259] ioctl(3, LOOP_CLR_FD) = 0 [pid 9259] close(3) = 0 [pid 9259] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9258] <... futex resumed>) = 0 [pid 9259] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9258] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9259] <... futex resumed>) = 0 [pid 9258] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9259] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9259] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9258] <... futex resumed>) = 0 [pid 9259] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9258] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9258] <... futex resumed>) = 0 [pid 9259] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9258] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9259] <... openat resumed>) = 3 [pid 9259] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9258] <... futex resumed>) = 0 [pid 9259] pwrite64(3, "\x02\x00", 2, 4 [pid 9258] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9259] <... pwrite64 resumed>) = 2 [pid 9258] <... futex resumed>) = 0 [pid 9258] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9259] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9258] exit_group(0 [pid 9259] <... futex resumed>) = 0 [pid 9258] <... exit_group resumed>) = ? [pid 9259] +++ exited with 0 +++ [pid 9258] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 390.930957][ T9259] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9260 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 9260 attached [pid 9260] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9260] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9260] setpgid(0, 0) = 0 [pid 9260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9260] write(3, "1000", 4) = 4 [pid 9260] close(3) = 0 executing program [pid 9260] write(1, "executing program\n", 18) = 18 [pid 9260] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9260] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9260] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9260] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9260] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9261 attached => {parent_tid=[9261]}, 88) = 9261 [pid 9261] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9260] rt_sigprocmask(SIG_SETMASK, [] [pid 9261] <... rseq resumed>) = 0 [pid 9260] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9261] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9260] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9261] rt_sigprocmask(SIG_SETMASK, [] [pid 9260] <... futex resumed>) = 0 [pid 9261] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9260] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9261] memfd_create("syzkaller", 0) = 3 [pid 9261] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9261] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9261] munmap(0x7f0c24913000, 138412032) = 0 [pid 9261] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9261] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9261] close(3) = 0 [pid 9261] close(4) = 0 [pid 9261] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9261] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9261] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9261] ioctl(3, LOOP_CLR_FD) = 0 [pid 9261] close(3) = 0 [pid 9261] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9260] <... futex resumed>) = 0 [pid 9261] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9260] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9260] <... futex resumed>) = 0 [pid 9261] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9260] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9261] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9261] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9260] <... futex resumed>) = 0 [pid 9261] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9260] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9260] <... futex resumed>) = 0 [pid 9261] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9260] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9261] <... openat resumed>) = 3 [pid 9261] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9260] <... futex resumed>) = 0 [pid 9261] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9260] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9260] <... futex resumed>) = 0 [pid 9261] pwrite64(3, "\x02\x00", 2, 4 [pid 9260] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9261] <... pwrite64 resumed>) = 2 [pid 9261] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9260] <... futex resumed>) = 0 [pid 9260] exit_group(0 [pid 9261] ???( [pid 9260] <... exit_group resumed>) = ? [pid 9261] <... ??? resumed>) = ? [ 391.095607][ T9261] EXT4-fs: quotafile must be on filesystem root [pid 9261] +++ exited with 0 +++ [pid 9260] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9262 rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 9262 attached , NULL, 8) = 0 [pid 9262] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9262] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9262] setpgid(0, 0) = 0 [pid 9262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9262] write(3, "1000", 4) = 4 executing program [pid 9262] close(3) = 0 [pid 9262] write(1, "executing program\n", 18) = 18 [pid 9262] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9262] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9262] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9262] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9262] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9263 attached => {parent_tid=[9263]}, 88) = 9263 [pid 9262] rt_sigprocmask(SIG_SETMASK, [] [pid 9263] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9262] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9262] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9263] <... rseq resumed>) = 0 [pid 9263] set_robust_list(0x7f0c2cd339a0, 24 [pid 9262] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9263] <... set_robust_list resumed>) = 0 [pid 9263] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9263] memfd_create("syzkaller", 0) = 3 [pid 9263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9263] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9263] munmap(0x7f0c24913000, 138412032) = 0 [pid 9263] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9263] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9263] close(3) = 0 [pid 9263] close(4) = 0 [pid 9263] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9263] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9263] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9263] ioctl(3, LOOP_CLR_FD) = 0 [pid 9263] close(3) = 0 [pid 9263] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9262] <... futex resumed>) = 0 [pid 9263] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9262] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9262] <... futex resumed>) = 0 [pid 9263] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9262] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9263] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9263] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9262] <... futex resumed>) = 0 [pid 9263] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9262] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9262] <... futex resumed>) = 0 [pid 9263] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9262] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9263] <... openat resumed>) = 3 [pid 9263] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9262] <... futex resumed>) = 0 [pid 9263] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9262] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9262] <... futex resumed>) = 0 [pid 9263] pwrite64(3, "\x02\x00", 2, 4 [pid 9262] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9263] <... pwrite64 resumed>) = 2 [pid 9263] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9262] <... futex resumed>) = 0 [pid 9263] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9262] exit_group(0 [pid 9263] <... futex resumed>) = ? [pid 9262] <... exit_group resumed>) = ? [pid 9263] +++ exited with 0 +++ [pid 9262] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9264 attached [pid 9264] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9264 [pid 9264] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9264] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9264] setpgid(0, 0) = 0 [pid 9264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9264] write(3, "1000", 4) = 4 [pid 9264] close(3) = 0 executing program [pid 9264] write(1, "executing program\n", 18) = 18 [pid 9264] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9264] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9264] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9264] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9264] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9264] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9265 attached [pid 9265] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9264] <... clone3 resumed> => {parent_tid=[9265]}, 88) = 9265 [pid 9265] <... rseq resumed>) = 0 [pid 9264] rt_sigprocmask(SIG_SETMASK, [] [pid 9265] set_robust_list(0x7f0c2cd339a0, 24 [pid 9264] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9265] <... set_robust_list resumed>) = 0 [pid 9264] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9265] rt_sigprocmask(SIG_SETMASK, [] [pid 9264] <... futex resumed>) = 0 [pid 9265] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9264] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9265] memfd_create("syzkaller", 0) = 3 [pid 9265] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9265] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9265] munmap(0x7f0c24913000, 138412032) = 0 [ 391.230265][ T9263] EXT4-fs: quotafile must be on filesystem root [pid 9265] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9265] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9265] close(3) = 0 [pid 9265] close(4) = 0 [pid 9265] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9265] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9265] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9265] ioctl(3, LOOP_CLR_FD) = 0 [pid 9265] close(3) = 0 [pid 9265] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9264] <... futex resumed>) = 0 [pid 9265] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9264] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9265] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9264] <... futex resumed>) = 0 [pid 9265] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9264] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9265] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9265] <... futex resumed>) = 0 [pid 9264] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9265] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9264] <... futex resumed>) = 0 [pid 9264] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9265] <... openat resumed>) = 3 [pid 9265] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9264] <... futex resumed>) = 0 [pid 9265] <... futex resumed>) = 1 [pid 9264] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9265] pwrite64(3, "\x02\x00", 2, 4 [pid 9264] <... futex resumed>) = 0 [pid 9265] <... pwrite64 resumed>) = 2 [pid 9264] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9265] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9265] <... futex resumed>) = 0 [pid 9264] exit_group(0 [pid 9265] ???() = ? [pid 9264] <... exit_group resumed>) = ? [pid 9265] +++ exited with 0 +++ [pid 9264] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9266 ci2-upstream-fs/strace-static-x86_64: Process 9266 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9266] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9266] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9266] setpgid(0, 0) = 0 [pid 9266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9266] write(3, "1000", 4) = 4 [pid 9266] close(3) = 0 [pid 9266] write(1, "executing program\n", 18) = 18 [ 391.298717][ T9265] EXT4-fs: quotafile must be on filesystem root [pid 9266] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9266] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9266] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9266] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9266] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9266] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9267 attached [pid 9267] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9266] <... clone3 resumed> => {parent_tid=[9267]}, 88) = 9267 [pid 9267] <... rseq resumed>) = 0 [pid 9266] rt_sigprocmask(SIG_SETMASK, [] [pid 9267] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9266] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9267] rt_sigprocmask(SIG_SETMASK, [] [pid 9266] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9267] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9266] <... futex resumed>) = 0 [pid 9267] memfd_create("syzkaller", 0) = 3 [pid 9267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9266] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9267] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9267] munmap(0x7f0c24913000, 138412032) = 0 [pid 9267] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9267] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9267] close(3) = 0 [pid 9267] close(4) = 0 [pid 9267] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9267] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9267] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9267] ioctl(3, LOOP_CLR_FD) = 0 [pid 9267] close(3) = 0 [pid 9267] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9266] <... futex resumed>) = 0 [pid 9266] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9266] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9267] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9267] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9266] <... futex resumed>) = 0 [pid 9267] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9266] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9267] <... openat resumed>) = 3 [pid 9266] <... futex resumed>) = 0 [pid 9266] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9267] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9266] <... futex resumed>) = 0 [pid 9266] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9266] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9267] <... futex resumed>) = 1 [pid 9267] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9267] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9266] <... futex resumed>) = 0 [pid 9266] exit_group(0) = ? [pid 9267] +++ exited with 0 +++ [pid 9266] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 391.403128][ T9267] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9268 attached , child_tidptr=0x555585adc6d0) = 9268 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9268] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9268] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9268] setpgid(0, 0) = 0 [pid 9268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9268] write(3, "1000", 4) = 4 [pid 9268] close(3) = 0 executing program [pid 9268] write(1, "executing program\n", 18) = 18 [pid 9268] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9268] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9268] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9268] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9269 attached [pid 9269] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9268] <... clone3 resumed> => {parent_tid=[9269]}, 88) = 9269 [pid 9269] <... rseq resumed>) = 0 [pid 9268] rt_sigprocmask(SIG_SETMASK, [] [pid 9269] set_robust_list(0x7f0c2cd339a0, 24 [pid 9268] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9269] <... set_robust_list resumed>) = 0 [pid 9268] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9269] rt_sigprocmask(SIG_SETMASK, [] [pid 9268] <... futex resumed>) = 0 [pid 9268] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9269] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9269] memfd_create("syzkaller", 0) = 3 [pid 9269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9269] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9269] munmap(0x7f0c24913000, 138412032) = 0 [pid 9269] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9269] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9269] close(3) = 0 [pid 9269] close(4) = 0 [pid 9269] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9269] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9269] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9269] ioctl(3, LOOP_CLR_FD) = 0 [pid 9269] close(3) = 0 [pid 9269] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9268] <... futex resumed>) = 0 [pid 9268] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9268] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9269] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9269] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9268] <... futex resumed>) = 0 [pid 9268] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9269] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9268] <... futex resumed>) = 0 [pid 9268] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9269] <... openat resumed>) = 3 [pid 9269] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9268] <... futex resumed>) = 0 [pid 9268] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9268] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9269] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9269] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9268] <... futex resumed>) = 0 [pid 9268] exit_group(0 [pid 9269] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9268] <... exit_group resumed>) = ? [pid 9269] <... futex resumed>) = ? [pid 9269] +++ exited with 0 +++ [pid 9268] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9268, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9270 attached , child_tidptr=0x555585adc6d0) = 9270 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9270] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9270] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9270] setpgid(0, 0) = 0 [pid 9270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9270] write(3, "1000", 4) = 4 [pid 9270] close(3) = 0 [ 391.507968][ T9269] EXT4-fs: quotafile must be on filesystem root [pid 9270] write(1, "executing program\n", 18) = 18 executing program [pid 9270] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9270] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9270] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9270] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9271 attached [pid 9271] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9270] <... clone3 resumed> => {parent_tid=[9271]}, 88) = 9271 [pid 9271] <... rseq resumed>) = 0 [pid 9271] set_robust_list(0x7f0c2cd339a0, 24 [pid 9270] rt_sigprocmask(SIG_SETMASK, [] [pid 9271] <... set_robust_list resumed>) = 0 [pid 9270] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9271] rt_sigprocmask(SIG_SETMASK, [] [pid 9270] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9271] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9270] <... futex resumed>) = 0 [pid 9271] memfd_create("syzkaller", 0 [pid 9270] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9271] <... memfd_create resumed>) = 3 [pid 9271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9271] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9271] munmap(0x7f0c24913000, 138412032) = 0 [pid 9271] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9271] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9271] close(3) = 0 [pid 9271] close(4) = 0 [pid 9271] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9271] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9271] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9271] ioctl(3, LOOP_CLR_FD) = 0 [pid 9271] close(3) = 0 [pid 9271] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9270] <... futex resumed>) = 0 [pid 9271] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9270] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9270] <... futex resumed>) = 0 [pid 9271] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9270] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9271] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9270] <... futex resumed>) = 0 [pid 9271] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9270] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9271] <... openat resumed>) = 3 [pid 9270] <... futex resumed>) = 0 [pid 9270] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9271] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9270] <... futex resumed>) = 0 [pid 9271] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9270] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9270] <... futex resumed>) = 0 [pid 9271] pwrite64(3, "\x02\x00", 2, 4 [pid 9270] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9271] <... pwrite64 resumed>) = 2 [ 391.639125][ T9271] EXT4-fs: quotafile must be on filesystem root [pid 9271] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9270] <... futex resumed>) = 0 [pid 9271] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9270] exit_group(0 [pid 9271] <... futex resumed>) = ? [pid 9270] <... exit_group resumed>) = ? [pid 9271] +++ exited with 0 +++ [pid 9270] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9270, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9272 attached , child_tidptr=0x555585adc6d0) = 9272 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9272] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9272] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9272] setpgid(0, 0) = 0 [pid 9272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9272] write(3, "1000", 4) = 4 [pid 9272] close(3) = 0 [pid 9272] write(1, "executing program\n", 18) = 18 executing program [pid 9272] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9272] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9272] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9272] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9272] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9272] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9273 attached [pid 9273] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9273] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9273] rt_sigprocmask(SIG_SETMASK, [] [pid 9272] <... clone3 resumed> => {parent_tid=[9273]}, 88) = 9273 [pid 9273] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9272] rt_sigprocmask(SIG_SETMASK, [] [pid 9273] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9272] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9272] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9273] <... futex resumed>) = 0 [pid 9272] <... futex resumed>) = 1 [pid 9273] memfd_create("syzkaller", 0) = 3 [pid 9272] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9273] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9273] munmap(0x7f0c24913000, 138412032) = 0 [pid 9273] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9273] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9273] close(3) = 0 [pid 9273] close(4) = 0 [pid 9273] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9273] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9273] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9273] ioctl(3, LOOP_CLR_FD) = 0 [pid 9273] close(3) = 0 [pid 9273] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9272] <... futex resumed>) = 0 [pid 9273] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9272] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9272] <... futex resumed>) = 0 [pid 9273] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9272] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9273] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9273] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9272] <... futex resumed>) = 0 [pid 9273] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9272] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9272] <... futex resumed>) = 0 [pid 9273] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9272] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9273] <... openat resumed>) = 3 [pid 9273] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9272] <... futex resumed>) = 0 [pid 9273] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9272] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9272] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9273] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9273] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9272] <... futex resumed>) = 0 [pid 9273] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9272] exit_group(0 [pid 9273] <... futex resumed>) = ? [pid 9272] <... exit_group resumed>) = ? [pid 9273] +++ exited with 0 +++ [pid 9272] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 391.772500][ T9273] EXT4-fs: quotafile must be on filesystem root ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9274 attached , child_tidptr=0x555585adc6d0) = 9274 [pid 9274] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9274] <... set_robust_list resumed>) = 0 [pid 9274] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9274] setpgid(0, 0) = 0 [pid 9274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9274] write(3, "1000", 4) = 4 [pid 9274] close(3) = 0 [pid 9274] write(1, "executing program\n", 18) = 18 executing program [pid 9274] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9274] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9274] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9274] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9274] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9274] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9275 attached [pid 9275] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9274] <... clone3 resumed> => {parent_tid=[9275]}, 88) = 9275 [pid 9275] <... rseq resumed>) = 0 [pid 9275] set_robust_list(0x7f0c2cd339a0, 24 [pid 9274] rt_sigprocmask(SIG_SETMASK, [] [pid 9275] <... set_robust_list resumed>) = 0 [pid 9274] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9275] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9274] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9275] memfd_create("syzkaller", 0 [pid 9274] <... futex resumed>) = 0 [pid 9274] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9275] <... memfd_create resumed>) = 3 [pid 9275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9275] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9275] munmap(0x7f0c24913000, 138412032) = 0 [pid 9275] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9275] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9275] close(3) = 0 [pid 9275] close(4) = 0 [pid 9275] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9275] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9275] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9275] ioctl(3, LOOP_CLR_FD) = 0 [pid 9275] close(3) = 0 [pid 9275] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9274] <... futex resumed>) = 0 [pid 9275] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9274] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9275] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9274] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9275] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9275] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9274] <... futex resumed>) = 0 [pid 9275] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9274] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9275] <... openat resumed>) = 3 [pid 9274] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9275] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9274] <... futex resumed>) = 0 [pid 9274] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9275] pwrite64(3, "\x02\x00", 2, 4 [pid 9274] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9275] <... pwrite64 resumed>) = 2 [pid 9275] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9274] <... futex resumed>) = 0 [pid 9275] <... futex resumed>) = 1 [pid 9274] exit_group(0) = ? [pid 9275] +++ exited with 0 +++ [pid 9274] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9274, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 391.917360][ T9275] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9276 ci2-upstream-fs/strace-static-x86_64: Process 9276 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9276] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9276] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9276] setpgid(0, 0) = 0 [pid 9276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9276] write(3, "1000", 4) = 4 [pid 9276] close(3) = 0 executing program [pid 9276] write(1, "executing program\n", 18) = 18 [pid 9276] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9276] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9276] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9276] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9276] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9276] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9277 attached [pid 9277] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9276] <... clone3 resumed> => {parent_tid=[9277]}, 88) = 9277 [pid 9277] set_robust_list(0x7f0c2cd339a0, 24 [pid 9276] rt_sigprocmask(SIG_SETMASK, [] [pid 9277] <... set_robust_list resumed>) = 0 [pid 9276] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9277] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9277] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9276] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9277] <... futex resumed>) = 0 [pid 9276] <... futex resumed>) = 1 [pid 9277] memfd_create("syzkaller", 0 [pid 9276] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9277] <... memfd_create resumed>) = 3 [pid 9277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9277] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9277] munmap(0x7f0c24913000, 138412032) = 0 [pid 9277] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9277] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9277] close(3) = 0 [pid 9277] close(4) = 0 [pid 9277] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9277] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9277] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9277] ioctl(3, LOOP_CLR_FD) = 0 [pid 9277] close(3) = 0 [pid 9277] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9276] <... futex resumed>) = 0 [pid 9277] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9276] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9276] <... futex resumed>) = 0 [pid 9277] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9276] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9277] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9277] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9276] <... futex resumed>) = 0 [pid 9277] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9276] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9277] <... openat resumed>) = 3 [pid 9276] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9277] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9276] <... futex resumed>) = 0 [pid 9276] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9277] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9276] <... futex resumed>) = 0 [pid 9277] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9276] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9277] <... futex resumed>) = 0 [pid 9276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9277] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9276] exit_group(0 [pid 9277] <... futex resumed>) = ? [pid 9276] <... exit_group resumed>) = ? [pid 9277] +++ exited with 0 +++ [pid 9276] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9276, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 392.041189][ T9277] EXT4-fs: quotafile must be on filesystem root ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9278 attached , child_tidptr=0x555585adc6d0) = 9278 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9278] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9278] <... set_robust_list resumed>) = 0 [pid 9278] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9278] setpgid(0, 0) = 0 [pid 9278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9278] write(3, "1000", 4) = 4 [pid 9278] close(3) = 0 [pid 9278] write(1, "executing program\n", 18) = 18 executing program [pid 9278] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9278] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9278] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9278] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9278] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9279 attached [pid 9279] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9278] <... clone3 resumed> => {parent_tid=[9279]}, 88) = 9279 [pid 9279] <... rseq resumed>) = 0 [pid 9279] set_robust_list(0x7f0c2cd339a0, 24 [pid 9278] rt_sigprocmask(SIG_SETMASK, [] [pid 9279] <... set_robust_list resumed>) = 0 [pid 9278] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9279] rt_sigprocmask(SIG_SETMASK, [] [pid 9278] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9279] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9278] <... futex resumed>) = 0 [pid 9279] memfd_create("syzkaller", 0 [pid 9278] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9279] <... memfd_create resumed>) = 3 [pid 9279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9279] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9279] munmap(0x7f0c24913000, 138412032) = 0 [pid 9279] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9279] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9279] close(3) = 0 [pid 9279] close(4) = 0 [pid 9279] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9279] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9279] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9279] ioctl(3, LOOP_CLR_FD) = 0 [pid 9279] close(3) = 0 [pid 9279] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9278] <... futex resumed>) = 0 [pid 9279] <... futex resumed>) = 1 [pid 9278] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9279] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9278] <... futex resumed>) = 0 [pid 9279] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9278] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9279] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9278] <... futex resumed>) = 0 [pid 9279] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9278] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9279] <... openat resumed>) = 3 [pid 9278] <... futex resumed>) = 0 [pid 9278] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9279] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9279] <... futex resumed>) = 0 [pid 9278] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9279] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9278] <... futex resumed>) = 0 [pid 9279] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9278] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9279] <... futex resumed>) = 0 [pid 9278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9279] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9278] exit_group(0 [pid 9279] <... futex resumed>) = ? [pid 9279] +++ exited with 0 +++ [pid 9278] <... exit_group resumed>) = ? [pid 9278] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9278, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 392.184549][ T9279] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9280 attached [pid 9280] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9280 [pid 9280] <... set_robust_list resumed>) = 0 [pid 9280] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9280] <... prctl resumed>) = 0 [pid 9280] setpgid(0, 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9280] <... setpgid resumed>) = 0 [pid 9280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9280] write(3, "1000", 4) = 4 [pid 9280] close(3) = 0 [pid 9280] write(1, "executing program\n", 18) = 18 executing program [pid 9280] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9280] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9280] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9280] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9280] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9281 attached [pid 9281] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9280] <... clone3 resumed> => {parent_tid=[9281]}, 88) = 9281 [pid 9281] set_robust_list(0x7f0c2cd339a0, 24 [pid 9280] rt_sigprocmask(SIG_SETMASK, [] [pid 9281] <... set_robust_list resumed>) = 0 [pid 9280] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9281] rt_sigprocmask(SIG_SETMASK, [] [pid 9280] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9281] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9280] <... futex resumed>) = 0 [pid 9281] memfd_create("syzkaller", 0 [pid 9280] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9281] <... memfd_create resumed>) = 3 [pid 9281] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9281] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9281] munmap(0x7f0c24913000, 138412032) = 0 [pid 9281] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9281] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9281] close(3) = 0 [pid 9281] close(4) = 0 [pid 9281] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9281] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9281] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9281] ioctl(3, LOOP_CLR_FD) = 0 [pid 9281] close(3) = 0 [pid 9281] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9280] <... futex resumed>) = 0 [pid 9281] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9280] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9280] <... futex resumed>) = 0 [pid 9281] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9280] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9281] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9281] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9280] <... futex resumed>) = 0 [pid 9281] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9280] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9280] <... futex resumed>) = 0 [pid 9280] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9281] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9281] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9280] <... futex resumed>) = 0 [pid 9281] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9280] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9281] <... futex resumed>) = 0 [pid 9280] <... futex resumed>) = 1 [pid 9280] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9281] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9281] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9280] <... futex resumed>) = 0 [pid 9281] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9280] exit_group(0) = ? [pid 9281] <... futex resumed>) = ? [pid 9281] +++ exited with 0 +++ [pid 9280] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9280, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9282 attached [ 392.324220][ T9281] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9282 [pid 9282] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9282] setpgid(0, 0) = 0 [pid 9282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9282] write(3, "1000", 4) = 4 [pid 9282] close(3) = 0 [pid 9282] write(1, "executing program\n", 18) = 18 executing program [pid 9282] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9282] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9282] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9282] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9283 attached => {parent_tid=[9283]}, 88) = 9283 [pid 9282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9283] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9282] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9282] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9283] <... rseq resumed>) = 0 [pid 9283] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9283] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9283] memfd_create("syzkaller", 0) = 3 [pid 9283] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9283] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9283] munmap(0x7f0c24913000, 138412032) = 0 [pid 9283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9283] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9283] close(3) = 0 [pid 9283] close(4) = 0 [pid 9283] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9283] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9283] ioctl(3, LOOP_CLR_FD) = 0 [pid 9283] close(3) = 0 [pid 9283] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9282] <... futex resumed>) = 0 [pid 9282] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9283] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9282] <... futex resumed>) = 0 [pid 9283] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9282] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9283] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9282] <... futex resumed>) = 0 [pid 9283] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9282] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9283] <... openat resumed>) = 3 [pid 9282] <... futex resumed>) = 0 [pid 9282] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9283] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9282] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9283] <... futex resumed>) = 0 [pid 9282] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9283] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9283] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9282] <... futex resumed>) = 0 [pid 9282] exit_group(0 [pid 9283] ???( [pid 9282] <... exit_group resumed>) = ? [pid 9283] <... ??? resumed>) = ? [pid 9283] +++ exited with 0 +++ [pid 9282] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9282, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9284 ci2-upstream-fs/strace-static-x86_64: Process 9284 attached [ 392.434657][ T9283] EXT4-fs: quotafile must be on filesystem root [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9284] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9284] <... set_robust_list resumed>) = 0 [pid 9284] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9284] setpgid(0, 0) = 0 [pid 9284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9284] write(3, "1000", 4) = 4 [pid 9284] close(3) = 0 [pid 9284] write(1, "executing program\n", 18) = 18 executing program [pid 9284] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9284] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9284] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9284] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9284] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9284] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9285 attached => {parent_tid=[9285]}, 88) = 9285 [pid 9285] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9284] rt_sigprocmask(SIG_SETMASK, [] [pid 9285] <... rseq resumed>) = 0 [pid 9284] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9285] set_robust_list(0x7f0c2cd339a0, 24 [pid 9284] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9285] <... set_robust_list resumed>) = 0 [pid 9284] <... futex resumed>) = 0 [pid 9285] rt_sigprocmask(SIG_SETMASK, [] [pid 9284] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9285] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9285] memfd_create("syzkaller", 0) = 3 [pid 9285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9285] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9285] munmap(0x7f0c24913000, 138412032) = 0 [pid 9285] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9285] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9285] close(3) = 0 [pid 9285] close(4) = 0 [pid 9285] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9285] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9285] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9285] ioctl(3, LOOP_CLR_FD) = 0 [pid 9285] close(3) = 0 [pid 9285] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9284] <... futex resumed>) = 0 [pid 9284] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9285] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9284] <... futex resumed>) = 0 [pid 9284] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9285] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9285] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9284] <... futex resumed>) = 0 [pid 9284] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9285] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9284] <... futex resumed>) = 0 [pid 9284] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9285] <... openat resumed>) = 3 [pid 9285] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9284] <... futex resumed>) = 0 [pid 9285] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9284] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9285] <... futex resumed>) = 0 [pid 9284] <... futex resumed>) = 1 [pid 9285] pwrite64(3, "\x02\x00", 2, 4 [pid 9284] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9285] <... pwrite64 resumed>) = 2 [pid 9285] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9284] <... futex resumed>) = 0 [pid 9284] exit_group(0) = ? [pid 9285] +++ exited with 0 +++ [pid 9284] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 392.523986][ T9285] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9286 rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 9286 attached , NULL, 8) = 0 [pid 9286] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9286] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9286] setpgid(0, 0) = 0 [pid 9286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9286] write(3, "1000", 4) = 4 [pid 9286] close(3) = 0 [pid 9286] write(1, "executing program\n", 18) = 18 executing program [pid 9286] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9286] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9286] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9286] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9286] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9286] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9287 attached [pid 9287] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9286] <... clone3 resumed> => {parent_tid=[9287]}, 88) = 9287 [pid 9287] set_robust_list(0x7f0c2cd339a0, 24 [pid 9286] rt_sigprocmask(SIG_SETMASK, [] [pid 9287] <... set_robust_list resumed>) = 0 [pid 9287] rt_sigprocmask(SIG_SETMASK, [] [pid 9286] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9287] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9287] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9286] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9287] memfd_create("syzkaller", 0 [pid 9286] <... futex resumed>) = 0 [pid 9286] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9287] <... memfd_create resumed>) = 3 [pid 9287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9287] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9287] munmap(0x7f0c24913000, 138412032) = 0 [pid 9287] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9287] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9287] close(3) = 0 [pid 9287] close(4) = 0 [pid 9287] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9287] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9287] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9287] ioctl(3, LOOP_CLR_FD) = 0 [pid 9287] close(3) = 0 [pid 9287] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9287] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9286] <... futex resumed>) = 0 [pid 9286] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9287] <... futex resumed>) = 0 [pid 9286] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9287] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9287] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9286] <... futex resumed>) = 0 [pid 9287] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9286] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9287] <... futex resumed>) = 0 [pid 9287] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9286] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9287] <... openat resumed>) = 3 [pid 9287] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9286] <... futex resumed>) = 0 [pid 9287] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9286] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9287] pwrite64(3, "\x02\x00", 2, 4 [pid 9286] <... futex resumed>) = 0 [pid 9286] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9287] <... pwrite64 resumed>) = 2 [pid 9287] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9286] <... futex resumed>) = 0 [pid 9286] exit_group(0) = ? [pid 9287] +++ exited with 0 +++ [pid 9286] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9288 attached , child_tidptr=0x555585adc6d0) = 9288 [pid 9288] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9288] <... set_robust_list resumed>) = 0 [pid 9288] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9288] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9288] setpgid(0, 0) = 0 [ 392.650630][ T9287] EXT4-fs: quotafile must be on filesystem root [pid 9288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9288] write(3, "1000", 4) = 4 [pid 9288] close(3) = 0 [pid 9288] write(1, "executing program\n", 18) = 18 executing program [pid 9288] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9288] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9288] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9288] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9288] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9289 attached [pid 9289] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9288] <... clone3 resumed> => {parent_tid=[9289]}, 88) = 9289 [pid 9289] <... rseq resumed>) = 0 [pid 9288] rt_sigprocmask(SIG_SETMASK, [] [pid 9289] set_robust_list(0x7f0c2cd339a0, 24 [pid 9288] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9289] <... set_robust_list resumed>) = 0 [pid 9288] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9289] rt_sigprocmask(SIG_SETMASK, [] [pid 9288] <... futex resumed>) = 0 [pid 9289] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9288] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9289] memfd_create("syzkaller", 0) = 3 [pid 9289] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9289] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9289] munmap(0x7f0c24913000, 138412032) = 0 [pid 9289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9289] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9289] close(3) = 0 [pid 9289] close(4) = 0 [pid 9289] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9289] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9289] ioctl(3, LOOP_CLR_FD) = 0 [pid 9289] close(3) = 0 [pid 9289] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9288] <... futex resumed>) = 0 [pid 9289] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9288] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9289] <... futex resumed>) = 0 [pid 9288] <... futex resumed>) = 1 [pid 9289] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9288] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9289] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9289] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9289] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9288] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9289] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9288] <... futex resumed>) = 0 [pid 9289] <... openat resumed>) = 3 [pid 9289] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9288] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9289] <... futex resumed>) = 0 [pid 9289] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9288] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9289] <... futex resumed>) = 0 [pid 9288] <... futex resumed>) = 1 [pid 9289] pwrite64(3, "\x02\x00", 2, 4 [pid 9288] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9289] <... pwrite64 resumed>) = 2 [pid 9289] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9288] <... futex resumed>) = 0 [pid 9289] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9288] exit_group(0 [pid 9289] <... futex resumed>) = ? [pid 9288] <... exit_group resumed>) = ? [pid 9289] +++ exited with 0 +++ [pid 9288] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9288, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9290 attached , child_tidptr=0x555585adc6d0) = 9290 [pid 9290] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9290] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 392.736107][ T9289] set_capacity_and_notify: 32 callbacks suppressed [ 392.740942][ T9289] loop0: detected capacity change from 0 to 512 [ 392.755059][ T9289] EXT4-fs: quotafile must be on filesystem root [pid 9290] setpgid(0, 0) = 0 [pid 9290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9290] write(3, "1000", 4) = 4 [pid 9290] close(3) = 0 [pid 9290] write(1, "executing program\n", 18) = 18 executing program [pid 9290] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9290] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9290] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9290] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9291 attached [pid 9291] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9290] <... clone3 resumed> => {parent_tid=[9291]}, 88) = 9291 [pid 9291] <... rseq resumed>) = 0 [pid 9290] rt_sigprocmask(SIG_SETMASK, [] [pid 9291] set_robust_list(0x7f0c2cd339a0, 24 [pid 9290] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9291] <... set_robust_list resumed>) = 0 [pid 9290] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9291] rt_sigprocmask(SIG_SETMASK, [] [pid 9290] <... futex resumed>) = 0 [pid 9291] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9290] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9291] memfd_create("syzkaller", 0) = 3 [pid 9291] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9291] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9291] munmap(0x7f0c24913000, 138412032) = 0 [pid 9291] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9291] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9291] close(3) = 0 [pid 9291] close(4) = 0 [pid 9291] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9291] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9291] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9291] ioctl(3, LOOP_CLR_FD) = 0 [pid 9291] close(3) = 0 [pid 9291] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9291] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9290] <... futex resumed>) = 0 [pid 9290] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9291] <... futex resumed>) = 0 [pid 9290] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9291] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9291] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9291] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9290] <... futex resumed>) = 0 [pid 9290] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9291] <... futex resumed>) = 0 [pid 9290] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9291] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9291] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9290] <... futex resumed>) = 0 [pid 9291] pwrite64(3, "\x02\x00", 2, 4 [pid 9290] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9291] <... pwrite64 resumed>) = 2 [pid 9290] <... futex resumed>) = 0 [pid 9291] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9290] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9291] <... futex resumed>) = 0 [pid 9291] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9290] exit_group(0 [pid 9291] <... futex resumed>) = ? [pid 9290] <... exit_group resumed>) = ? [pid 9291] +++ exited with 0 +++ [pid 9290] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 392.840973][ T9291] loop0: detected capacity change from 0 to 512 [ 392.857049][ T9291] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9292 attached , child_tidptr=0x555585adc6d0) = 9292 [pid 9292] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9292] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9292] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9292] setpgid(0, 0) = 0 [pid 9292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9292] write(3, "1000", 4) = 4 [pid 9292] close(3) = 0 [pid 9292] write(1, "executing program\n", 18) = 18 executing program [pid 9292] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9292] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9292] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9293 attached => {parent_tid=[9293]}, 88) = 9293 [pid 9293] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9292] rt_sigprocmask(SIG_SETMASK, [] [pid 9293] <... rseq resumed>) = 0 [pid 9293] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9292] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9293] rt_sigprocmask(SIG_SETMASK, [] [pid 9292] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9293] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9292] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9293] memfd_create("syzkaller", 0) = 3 [pid 9293] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9293] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9293] munmap(0x7f0c24913000, 138412032) = 0 [pid 9293] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9293] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9293] close(3) = 0 [pid 9293] close(4) = 0 [pid 9293] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9293] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9293] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9293] ioctl(3, LOOP_CLR_FD) = 0 [pid 9293] close(3) = 0 [pid 9293] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9292] <... futex resumed>) = 0 [pid 9293] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9292] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9292] <... futex resumed>) = 0 [pid 9293] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9292] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9293] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9293] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9292] <... futex resumed>) = 0 [pid 9293] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9292] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9293] <... futex resumed>) = 0 [pid 9292] <... futex resumed>) = 1 [pid 9293] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9292] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9293] <... openat resumed>) = 3 [pid 9293] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9292] <... futex resumed>) = 0 [pid 9293] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9292] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9292] <... futex resumed>) = 0 [pid 9293] pwrite64(3, "\x02\x00", 2, 4 [pid 9292] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9293] <... pwrite64 resumed>) = 2 [pid 9293] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9292] <... futex resumed>) = 0 [pid 9293] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9292] exit_group(0 [pid 9293] <... futex resumed>) = ? [pid 9292] <... exit_group resumed>) = ? [pid 9293] +++ exited with 0 +++ [pid 9292] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9292, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9294 attached [pid 9294] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9294 [pid 9294] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9294] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9294] setpgid(0, 0) = 0 [pid 9294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9294] write(3, "1000", 4) = 4 [ 392.979709][ T9293] loop0: detected capacity change from 0 to 512 [ 392.988455][ T9293] EXT4-fs: quotafile must be on filesystem root [pid 9294] close(3) = 0 [pid 9294] write(1, "executing program\n", 18) = 18 executing program [pid 9294] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9294] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9294] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9294] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9294] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9295 attached => {parent_tid=[9295]}, 88) = 9295 [pid 9295] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9294] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9295] set_robust_list(0x7f0c2cd339a0, 24 [pid 9294] <... futex resumed>) = 0 [pid 9295] <... set_robust_list resumed>) = 0 [pid 9295] rt_sigprocmask(SIG_SETMASK, [] [pid 9294] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9295] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9295] memfd_create("syzkaller", 0) = 3 [pid 9295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9295] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9295] munmap(0x7f0c24913000, 138412032) = 0 [pid 9295] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9295] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9295] close(3) = 0 [pid 9295] close(4) = 0 [pid 9295] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9295] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9295] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9295] ioctl(3, LOOP_CLR_FD) = 0 [pid 9295] close(3) = 0 [pid 9295] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9295] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9294] <... futex resumed>) = 0 [pid 9294] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9295] <... futex resumed>) = 0 [pid 9294] <... futex resumed>) = 1 [pid 9295] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9294] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9295] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9295] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9294] <... futex resumed>) = 0 [pid 9294] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9295] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9294] <... futex resumed>) = 0 [pid 9295] <... openat resumed>) = 3 [pid 9294] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9295] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9294] <... futex resumed>) = 0 [pid 9295] <... futex resumed>) = 1 [pid 9294] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9295] pwrite64(3, "\x02\x00", 2, 4 [pid 9294] <... futex resumed>) = 0 [pid 9295] <... pwrite64 resumed>) = 2 [pid 9294] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9295] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9294] <... futex resumed>) = 0 [pid 9295] <... futex resumed>) = 1 [pid 9294] exit_group(0 [pid 9295] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9294] <... exit_group resumed>) = ? [pid 9295] <... futex resumed>) = ? [pid 9295] +++ exited with 0 +++ [pid 9294] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9296 attached , child_tidptr=0x555585adc6d0) = 9296 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9296] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9296] <... set_robust_list resumed>) = 0 [pid 9296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9296] setpgid(0, 0) = 0 [pid 9296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9296] write(3, "1000", 4) = 4 [pid 9296] close(3) = 0 [pid 9296] write(1, "executing program\n", 18) = 18 executing program [pid 9296] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9296] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [ 393.070419][ T9295] loop0: detected capacity change from 0 to 512 [ 393.074730][ T9295] EXT4-fs: quotafile must be on filesystem root [pid 9296] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9297 attached [pid 9297] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9296] <... clone3 resumed> => {parent_tid=[9297]}, 88) = 9297 [pid 9297] <... rseq resumed>) = 0 [pid 9296] rt_sigprocmask(SIG_SETMASK, [] [pid 9297] set_robust_list(0x7f0c2cd339a0, 24 [pid 9296] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9297] <... set_robust_list resumed>) = 0 [pid 9296] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9297] rt_sigprocmask(SIG_SETMASK, [] [pid 9296] <... futex resumed>) = 0 [pid 9297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9297] memfd_create("syzkaller", 0 [pid 9296] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9297] <... memfd_create resumed>) = 3 [pid 9297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9297] munmap(0x7f0c24913000, 138412032) = 0 [pid 9297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9297] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9297] close(3) = 0 [pid 9297] close(4) = 0 [pid 9297] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9297] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9297] ioctl(3, LOOP_CLR_FD) = 0 [pid 9297] close(3) = 0 [pid 9297] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9296] <... futex resumed>) = 0 [pid 9297] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9296] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9296] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9297] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9297] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9296] <... futex resumed>) = 0 [pid 9296] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9297] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9296] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9297] <... openat resumed>) = 3 [pid 9297] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9296] <... futex resumed>) = 0 [pid 9297] pwrite64(3, "\x02\x00", 2, 4 [pid 9296] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9297] <... pwrite64 resumed>) = 2 [pid 9296] <... futex resumed>) = 0 [pid 9297] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9296] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9297] <... futex resumed>) = 0 [pid 9296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9297] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9296] exit_group(0 [pid 9297] <... futex resumed>) = ? [pid 9297] +++ exited with 0 +++ [pid 9296] <... exit_group resumed>) = ? [pid 9296] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9296, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 393.151775][ T9297] loop0: detected capacity change from 0 to 512 [ 393.158088][ T9297] EXT4-fs: quotafile must be on filesystem root close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9298 attached , child_tidptr=0x555585adc6d0) = 9298 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9298] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9298] setpgid(0, 0) = 0 [pid 9298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9298] write(3, "1000", 4) = 4 [pid 9298] close(3) = 0 [pid 9298] write(1, "executing program\n", 18) = 18 executing program [pid 9298] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9298] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9298] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9299 attached [pid 9299] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9298] <... clone3 resumed> => {parent_tid=[9299]}, 88) = 9299 [pid 9299] <... rseq resumed>) = 0 [pid 9298] rt_sigprocmask(SIG_SETMASK, [] [pid 9299] set_robust_list(0x7f0c2cd339a0, 24 [pid 9298] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9299] <... set_robust_list resumed>) = 0 [pid 9298] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9299] rt_sigprocmask(SIG_SETMASK, [] [pid 9298] <... futex resumed>) = 0 [pid 9299] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9299] memfd_create("syzkaller", 0 [pid 9298] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9299] <... memfd_create resumed>) = 3 [pid 9299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9299] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9299] munmap(0x7f0c24913000, 138412032) = 0 [pid 9299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9299] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9299] close(3) = 0 [pid 9299] close(4) = 0 [pid 9299] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9299] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9299] ioctl(3, LOOP_CLR_FD) = 0 [pid 9299] close(3) = 0 [pid 9299] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9299] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9298] <... futex resumed>) = 0 [pid 9298] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9299] <... futex resumed>) = 0 [pid 9299] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9298] <... futex resumed>) = 1 [pid 9299] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9298] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9299] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9298] <... futex resumed>) = 0 [pid 9299] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9298] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9298] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9299] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9299] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9298] <... futex resumed>) = 0 [pid 9298] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9299] pwrite64(3, "\x02\x00", 2, 4 [pid 9298] <... futex resumed>) = 0 [pid 9298] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9299] <... pwrite64 resumed>) = 2 [pid 9299] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9298] <... futex resumed>) = 0 [pid 9299] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9298] exit_group(0 [pid 9299] <... futex resumed>) = ? [pid 9298] <... exit_group resumed>) = ? [pid 9299] +++ exited with 0 +++ [pid 9298] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9298, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9300 attached [ 393.293612][ T9299] loop0: detected capacity change from 0 to 512 [ 393.302781][ T9299] EXT4-fs: quotafile must be on filesystem root [pid 9300] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9300 [pid 9300] <... set_robust_list resumed>) = 0 [pid 9300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9300] setpgid(0, 0) = 0 [pid 9300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9300] write(3, "1000", 4) = 4 [pid 9300] close(3) = 0 [pid 9300] write(1, "executing program\n", 18) = 18 [pid 9300] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9300] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 executing program [pid 9300] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9300] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9300] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9301 attached [pid 9301] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9300] <... clone3 resumed> => {parent_tid=[9301]}, 88) = 9301 [pid 9301] set_robust_list(0x7f0c2cd339a0, 24 [pid 9300] rt_sigprocmask(SIG_SETMASK, [] [pid 9301] <... set_robust_list resumed>) = 0 [pid 9300] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9300] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9301] memfd_create("syzkaller", 0 [pid 9300] <... futex resumed>) = 0 [pid 9300] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9301] <... memfd_create resumed>) = 3 [pid 9301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9301] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9301] munmap(0x7f0c24913000, 138412032) = 0 [pid 9301] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9301] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9301] close(3) = 0 [pid 9301] close(4) = 0 [pid 9301] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9301] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9301] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9301] ioctl(3, LOOP_CLR_FD) = 0 [pid 9301] close(3) = 0 [pid 9301] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9300] <... futex resumed>) = 0 [pid 9300] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9301] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9300] <... futex resumed>) = 0 [pid 9300] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9301] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9301] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9300] <... futex resumed>) = 0 [pid 9300] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9301] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9300] <... futex resumed>) = 0 [pid 9300] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9301] <... openat resumed>) = 3 [pid 9301] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9300] <... futex resumed>) = 0 [pid 9301] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9300] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9301] <... futex resumed>) = 0 [pid 9300] <... futex resumed>) = 1 [pid 9300] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9301] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9301] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9300] <... futex resumed>) = 0 [pid 9301] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9300] exit_group(0) = ? [pid 9301] <... futex resumed>) = ? [pid 9301] +++ exited with 0 +++ [ 393.404324][ T9301] loop0: detected capacity change from 0 to 512 [ 393.416704][ T9301] EXT4-fs: quotafile must be on filesystem root [pid 9300] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9300, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9302 attached , child_tidptr=0x555585adc6d0) = 9302 [pid 9302] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9302] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9302] setpgid(0, 0) = 0 [pid 9302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9302] write(3, "1000", 4) = 4 [pid 9302] close(3) = 0 [pid 9302] write(1, "executing program\n", 18) = 18 executing program [pid 9302] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9302] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9302] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9303 attached [pid 9303] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9303] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9303] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9302] <... clone3 resumed> => {parent_tid=[9303]}, 88) = 9303 [pid 9302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9302] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9303] <... futex resumed>) = 0 [pid 9302] <... futex resumed>) = 1 [pid 9302] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9303] memfd_create("syzkaller", 0) = 3 [pid 9303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9303] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9303] munmap(0x7f0c24913000, 138412032) = 0 [pid 9303] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9303] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9303] close(3) = 0 [pid 9303] close(4) = 0 [pid 9303] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9303] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9303] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9303] ioctl(3, LOOP_CLR_FD) = 0 [pid 9303] close(3) = 0 [pid 9303] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9302] <... futex resumed>) = 0 [pid 9303] <... futex resumed>) = 1 [pid 9302] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9303] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9302] <... futex resumed>) = 0 [pid 9303] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9302] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9303] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9302] <... futex resumed>) = 0 [pid 9303] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9302] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9302] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9303] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9303] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9302] <... futex resumed>) = 0 [pid 9303] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9302] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9303] <... futex resumed>) = 0 [pid 9302] <... futex resumed>) = 1 [pid 9303] pwrite64(3, "\x02\x00", 2, 4 [pid 9302] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9303] <... pwrite64 resumed>) = 2 [pid 9303] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9302] <... futex resumed>) = 0 [pid 9303] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9302] exit_group(0 [pid 9303] <... futex resumed>) = ? [pid 9302] <... exit_group resumed>) = ? [pid 9303] +++ exited with 0 +++ [pid 9302] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9302, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 393.521601][ T9303] loop0: detected capacity change from 0 to 512 [ 393.530275][ T9303] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9304 attached , child_tidptr=0x555585adc6d0) = 9304 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9304] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9304] <... set_robust_list resumed>) = 0 [pid 9304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9304] setpgid(0, 0) = 0 [pid 9304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9304] write(3, "1000", 4) = 4 [pid 9304] close(3) = 0 executing program [pid 9304] write(1, "executing program\n", 18) = 18 [pid 9304] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9304] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9304] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9305 attached => {parent_tid=[9305]}, 88) = 9305 [pid 9304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9304] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9305] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9304] <... futex resumed>) = 0 [pid 9305] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9304] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9305] memfd_create("syzkaller", 0) = 3 [pid 9305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9305] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9305] munmap(0x7f0c24913000, 138412032) = 0 [pid 9305] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9305] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9305] close(3) = 0 [pid 9305] close(4) = 0 [pid 9305] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9305] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9305] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9305] ioctl(3, LOOP_CLR_FD) = 0 [pid 9305] close(3) = 0 [pid 9305] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9304] <... futex resumed>) = 0 [pid 9305] <... futex resumed>) = 1 [pid 9305] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9304] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9305] <... futex resumed>) = 0 [pid 9304] <... futex resumed>) = 1 [pid 9305] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9304] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9305] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9305] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9304] <... futex resumed>) = 0 [pid 9305] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9304] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9304] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9305] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9305] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9304] <... futex resumed>) = 0 [pid 9305] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9304] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9305] pwrite64(3, "\x02\x00", 2, 4 [pid 9304] <... futex resumed>) = 0 [pid 9304] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9305] <... pwrite64 resumed>) = 2 [pid 9305] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9304] <... futex resumed>) = 0 [pid 9305] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9304] exit_group(0 [pid 9305] <... futex resumed>) = ? [pid 9304] <... exit_group resumed>) = ? [pid 9305] +++ exited with 0 +++ [pid 9304] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9306 attached , child_tidptr=0x555585adc6d0) = 9306 [ 393.624709][ T9305] loop0: detected capacity change from 0 to 512 [ 393.632547][ T9305] EXT4-fs: quotafile must be on filesystem root [pid 9306] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9306] <... set_robust_list resumed>) = 0 [pid 9306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9306] setpgid(0, 0) = 0 [pid 9306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9306] write(3, "1000", 4) = 4 [pid 9306] close(3) = 0 [pid 9306] write(1, "executing program\n", 18) = 18 [pid 9306] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9306] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9306] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9306] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9307 attached [pid 9307] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9306] <... clone3 resumed> => {parent_tid=[9307]}, 88) = 9307 [pid 9307] <... rseq resumed>) = 0 [pid 9306] rt_sigprocmask(SIG_SETMASK, [] [pid 9307] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9307] rt_sigprocmask(SIG_SETMASK, [] [pid 9306] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9306] <... futex resumed>) = 0 [pid 9307] memfd_create("syzkaller", 0 [pid 9306] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9307] <... memfd_create resumed>) = 3 [pid 9307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9307] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9307] munmap(0x7f0c24913000, 138412032) = 0 [pid 9307] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9307] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9307] close(3) = 0 [pid 9307] close(4) = 0 [pid 9307] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9307] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9307] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9307] ioctl(3, LOOP_CLR_FD) = 0 [pid 9307] close(3) = 0 [pid 9307] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9306] <... futex resumed>) = 0 [pid 9307] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9306] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9306] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9307] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9307] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9306] <... futex resumed>) = 0 [pid 9307] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9306] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9306] <... futex resumed>) = 0 [pid 9307] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9306] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9307] <... openat resumed>) = 3 [pid 9307] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9306] <... futex resumed>) = 0 [pid 9307] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9306] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9306] <... futex resumed>) = 0 [pid 9307] pwrite64(3, "\x02\x00", 2, 4 [pid 9306] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9307] <... pwrite64 resumed>) = 2 [pid 9307] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9306] <... futex resumed>) = 0 [pid 9307] <... futex resumed>) = 1 [pid 9306] exit_group(0 [pid 9307] ???( [pid 9306] <... exit_group resumed>) = ? [pid 9307] <... ??? resumed>) = ? [pid 9307] +++ exited with 0 +++ [pid 9306] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9306, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9308 attached [pid 9308] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9308 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9308] <... set_robust_list resumed>) = 0 [pid 9308] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9308] setpgid(0, 0) = 0 [pid 9308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9308] write(3, "1000", 4) = 4 [pid 9308] close(3) = 0 [ 393.736694][ T9307] loop0: detected capacity change from 0 to 512 [ 393.757374][ T9307] EXT4-fs: quotafile must be on filesystem root executing program [pid 9308] write(1, "executing program\n", 18) = 18 [pid 9308] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9308] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9308] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9309 attached [pid 9309] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9309] set_robust_list(0x7f0c2cd339a0, 24 [pid 9308] <... clone3 resumed> => {parent_tid=[9309]}, 88) = 9309 [pid 9309] <... set_robust_list resumed>) = 0 [pid 9308] rt_sigprocmask(SIG_SETMASK, [] [pid 9309] rt_sigprocmask(SIG_SETMASK, [] [pid 9308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9308] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9309] memfd_create("syzkaller", 0 [pid 9308] <... futex resumed>) = 0 [pid 9309] <... memfd_create resumed>) = 3 [pid 9308] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9309] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9309] munmap(0x7f0c24913000, 138412032) = 0 [pid 9309] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9309] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9309] close(3) = 0 [pid 9309] close(4) = 0 [pid 9309] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9309] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9309] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9309] ioctl(3, LOOP_CLR_FD) = 0 [pid 9309] close(3) = 0 [pid 9309] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9309] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9308] <... futex resumed>) = 0 [pid 9308] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9309] <... futex resumed>) = 0 [pid 9308] <... futex resumed>) = 1 [pid 9309] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9308] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9309] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9309] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9309] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9308] <... futex resumed>) = 0 [pid 9308] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9309] <... futex resumed>) = 0 [pid 9308] <... futex resumed>) = 1 [pid 9309] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9308] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9309] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9308] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9309] <... futex resumed>) = 0 [pid 9308] <... futex resumed>) = 0 [pid 9309] pwrite64(3, "\x02\x00", 2, 4 [pid 9308] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9309] <... pwrite64 resumed>) = 2 [pid 9309] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9308] <... futex resumed>) = 0 [pid 9309] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9308] exit_group(0 [pid 9309] <... futex resumed>) = ? [pid 9308] <... exit_group resumed>) = ? [pid 9309] +++ exited with 0 +++ [pid 9308] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9308, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 393.859300][ T9309] EXT4-fs: quotafile must be on filesystem root close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9310 attached , child_tidptr=0x555585adc6d0) = 9310 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9310] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9310] <... set_robust_list resumed>) = 0 [pid 9310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9310] setpgid(0, 0) = 0 [pid 9310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9310] write(3, "1000", 4) = 4 [pid 9310] close(3) = 0 executing program [pid 9310] write(1, "executing program\n", 18) = 18 [pid 9310] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9310] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9310] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9311 attached [pid 9311] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9310] <... clone3 resumed> => {parent_tid=[9311]}, 88) = 9311 [pid 9311] <... rseq resumed>) = 0 [pid 9311] set_robust_list(0x7f0c2cd339a0, 24 [pid 9310] rt_sigprocmask(SIG_SETMASK, [] [pid 9311] <... set_robust_list resumed>) = 0 [pid 9310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9311] rt_sigprocmask(SIG_SETMASK, [] [pid 9310] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9310] <... futex resumed>) = 0 [pid 9311] memfd_create("syzkaller", 0 [pid 9310] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9311] <... memfd_create resumed>) = 3 [pid 9311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9311] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9311] munmap(0x7f0c24913000, 138412032) = 0 [pid 9311] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9311] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9311] close(3) = 0 [pid 9311] close(4) = 0 [pid 9311] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9311] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9311] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9311] ioctl(3, LOOP_CLR_FD) = 0 [pid 9311] close(3) = 0 [pid 9311] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9310] <... futex resumed>) = 0 [pid 9310] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9311] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9310] <... futex resumed>) = 0 [pid 9310] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9311] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9311] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9310] <... futex resumed>) = 0 [pid 9311] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9310] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9311] <... futex resumed>) = 0 [pid 9311] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9310] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9311] <... openat resumed>) = 3 [pid 9311] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9311] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9310] <... futex resumed>) = 0 [pid 9310] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9311] <... futex resumed>) = 0 [pid 9311] pwrite64(3, "\x02\x00", 2, 4 [pid 9310] <... futex resumed>) = 1 [pid 9311] <... pwrite64 resumed>) = 2 [pid 9310] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9311] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9310] <... futex resumed>) = 0 [pid 9311] <... futex resumed>) = 1 [pid 9311] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9310] exit_group(0) = ? [ 393.966599][ T9311] EXT4-fs: quotafile must be on filesystem root [pid 9311] <... futex resumed>) = ? [pid 9311] +++ exited with 0 +++ [pid 9310] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9310, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9312 attached , child_tidptr=0x555585adc6d0) = 9312 [pid 9312] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9312] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9312] setpgid(0, 0) = 0 [pid 9312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9312] write(3, "1000", 4) = 4 [pid 9312] close(3) = 0 [pid 9312] write(1, "executing program\n", 18) = 18 executing program [pid 9312] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9312] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9312] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9313 attached [pid 9313] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9313] set_robust_list(0x7f0c2cd339a0, 24 [pid 9312] <... clone3 resumed> => {parent_tid=[9313]}, 88) = 9313 [pid 9313] <... set_robust_list resumed>) = 0 [pid 9312] rt_sigprocmask(SIG_SETMASK, [] [pid 9313] rt_sigprocmask(SIG_SETMASK, [] [pid 9312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9312] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9313] memfd_create("syzkaller", 0) = 3 [pid 9312] <... futex resumed>) = 0 [pid 9313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9312] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9313] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9313] munmap(0x7f0c24913000, 138412032) = 0 [pid 9313] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9313] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9313] close(3) = 0 [pid 9313] close(4) = 0 [pid 9313] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9313] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9313] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9313] ioctl(3, LOOP_CLR_FD) = 0 [pid 9313] close(3) = 0 [pid 9313] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9313] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9312] <... futex resumed>) = 0 [pid 9312] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9313] <... futex resumed>) = 0 [pid 9313] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9312] <... futex resumed>) = 1 [pid 9313] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9312] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9313] <... futex resumed>) = 0 [pid 9312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9313] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9312] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9312] <... futex resumed>) = 0 [pid 9313] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9312] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9313] <... openat resumed>) = 3 [pid 9313] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9312] <... futex resumed>) = 0 [pid 9313] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9312] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9312] <... futex resumed>) = 0 [pid 9313] pwrite64(3, "\x02\x00", 2, 4 [pid 9312] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9313] <... pwrite64 resumed>) = 2 [pid 9313] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9312] <... futex resumed>) = 0 [pid 9312] exit_group(0 [pid 9313] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9312] <... exit_group resumed>) = ? [pid 9313] <... futex resumed>) = ? [pid 9313] +++ exited with 0 +++ [pid 9312] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9314 attached , child_tidptr=0x555585adc6d0) = 9314 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9314] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9314] setpgid(0, 0) = 0 [pid 9314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 394.111520][ T9313] EXT4-fs: quotafile must be on filesystem root [pid 9314] write(3, "1000", 4) = 4 [pid 9314] close(3) = 0 [pid 9314] write(1, "executing program\n", 18) = 18 [pid 9314] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9314] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9314] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9315 attached => {parent_tid=[9315]}, 88) = 9315 [pid 9314] rt_sigprocmask(SIG_SETMASK, [] [pid 9315] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9314] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9315] <... rseq resumed>) = 0 [pid 9314] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9315] set_robust_list(0x7f0c2cd339a0, 24 [pid 9314] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9315] <... set_robust_list resumed>) = 0 [pid 9315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9315] memfd_create("syzkaller", 0) = 3 [pid 9315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9315] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9315] munmap(0x7f0c24913000, 138412032) = 0 [pid 9315] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9315] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9315] close(3) = 0 [pid 9315] close(4) = 0 [pid 9315] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9315] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9315] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9315] ioctl(3, LOOP_CLR_FD) = 0 [pid 9315] close(3) = 0 [pid 9315] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9314] <... futex resumed>) = 0 [pid 9315] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9314] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9315] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9314] <... futex resumed>) = 0 [pid 9314] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9315] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9315] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9314] <... futex resumed>) = 0 [pid 9315] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9314] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9315] <... futex resumed>) = 0 [pid 9314] <... futex resumed>) = 1 [pid 9315] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9314] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9315] <... openat resumed>) = 3 [pid 9315] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9314] <... futex resumed>) = 0 [pid 9315] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9314] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9315] <... futex resumed>) = 0 [pid 9314] <... futex resumed>) = 1 [pid 9315] pwrite64(3, "\x02\x00", 2, 4 [pid 9314] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9315] <... pwrite64 resumed>) = 2 [pid 9315] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9314] <... futex resumed>) = 0 [pid 9315] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9314] exit_group(0) = ? [pid 9315] <... futex resumed>) = ? [pid 9315] +++ exited with 0 +++ [pid 9314] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9314, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9316 attached , child_tidptr=0x555585adc6d0) = 9316 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9316] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9316] setpgid(0, 0) = 0 [pid 9316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9316] write(3, "1000", 4) = 4 [pid 9316] close(3) = 0 [pid 9316] write(1, "executing program\n", 18) = 18 executing program [pid 9316] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9316] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9316] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9316] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9316] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 394.213756][ T9315] EXT4-fs: quotafile must be on filesystem root [pid 9316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9317 attached [pid 9317] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9316] <... clone3 resumed> => {parent_tid=[9317]}, 88) = 9317 [pid 9316] rt_sigprocmask(SIG_SETMASK, [] [pid 9317] <... rseq resumed>) = 0 [pid 9317] set_robust_list(0x7f0c2cd339a0, 24 [pid 9316] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9317] <... set_robust_list resumed>) = 0 [pid 9317] rt_sigprocmask(SIG_SETMASK, [] [pid 9316] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9317] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9316] <... futex resumed>) = 0 [pid 9317] memfd_create("syzkaller", 0 [pid 9316] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9317] <... memfd_create resumed>) = 3 [pid 9317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9317] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9317] munmap(0x7f0c24913000, 138412032) = 0 [pid 9317] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9317] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9317] close(3) = 0 [pid 9317] close(4) = 0 [pid 9317] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9317] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9317] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9317] ioctl(3, LOOP_CLR_FD) = 0 [pid 9317] close(3) = 0 [pid 9317] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9316] <... futex resumed>) = 0 [pid 9317] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9316] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9317] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9316] <... futex resumed>) = 0 [pid 9316] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9317] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9317] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9316] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9316] <... futex resumed>) = 0 [pid 9317] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9316] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9317] <... openat resumed>) = 3 [pid 9317] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9316] <... futex resumed>) = 0 [pid 9316] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9317] pwrite64(3, "\x02\x00", 2, 4 [pid 9316] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9317] <... pwrite64 resumed>) = 2 [pid 9317] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9316] <... futex resumed>) = 0 [pid 9317] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9316] exit_group(0) = ? [pid 9317] <... futex resumed>) = ? [pid 9317] +++ exited with 0 +++ [pid 9316] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9318 attached , child_tidptr=0x555585adc6d0) = 9318 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9318] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9318] <... set_robust_list resumed>) = 0 [pid 9318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9318] setpgid(0, 0) = 0 [pid 9318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9318] write(3, "1000", 4) = 4 [pid 9318] close(3) = 0 [pid 9318] write(1, "executing program\n", 18) = 18 executing program [pid 9318] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9318] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9318] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [ 394.315042][ T9317] EXT4-fs: quotafile must be on filesystem root [pid 9318] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9318] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9319 attached [pid 9319] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9318] <... clone3 resumed> => {parent_tid=[9319]}, 88) = 9319 [pid 9319] <... rseq resumed>) = 0 [pid 9318] rt_sigprocmask(SIG_SETMASK, [] [pid 9319] set_robust_list(0x7f0c2cd339a0, 24 [pid 9318] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9319] <... set_robust_list resumed>) = 0 [pid 9318] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9319] rt_sigprocmask(SIG_SETMASK, [] [pid 9318] <... futex resumed>) = 0 [pid 9319] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9318] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9319] memfd_create("syzkaller", 0) = 3 [pid 9319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9319] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9319] munmap(0x7f0c24913000, 138412032) = 0 [pid 9319] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9319] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9319] close(3) = 0 [pid 9319] close(4) = 0 [pid 9319] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9319] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9319] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9319] ioctl(3, LOOP_CLR_FD) = 0 [pid 9319] close(3) = 0 [pid 9319] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9318] <... futex resumed>) = 0 [pid 9319] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9318] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9318] <... futex resumed>) = 0 [pid 9319] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9318] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9319] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9319] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9318] <... futex resumed>) = 0 [pid 9319] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9318] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9318] <... futex resumed>) = 0 [pid 9319] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9318] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9319] <... openat resumed>) = 3 [pid 9319] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9318] <... futex resumed>) = 0 [pid 9319] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9318] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9318] <... futex resumed>) = 0 [pid 9319] pwrite64(3, "\x02\x00", 2, 4 [pid 9318] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9319] <... pwrite64 resumed>) = 2 [pid 9319] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9318] <... futex resumed>) = 0 [pid 9319] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9318] exit_group(0 [pid 9319] <... futex resumed>) = ? [pid 9318] <... exit_group resumed>) = ? [pid 9319] +++ exited with 0 +++ [pid 9318] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9318, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9320 attached , child_tidptr=0x555585adc6d0) = 9320 [pid 9320] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9320] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9320] setpgid(0, 0) = 0 [pid 9320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9320] write(3, "1000", 4) = 4 [pid 9320] close(3) = 0 [pid 9320] write(1, "executing program\n", 18) = 18 executing program [pid 9320] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9320] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9320] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9320] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9321 attached [pid 9321] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9321] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9320] <... clone3 resumed> => {parent_tid=[9321]}, 88) = 9321 [pid 9321] rt_sigprocmask(SIG_SETMASK, [] [pid 9320] rt_sigprocmask(SIG_SETMASK, [] [pid 9321] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9321] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9320] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9320] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9321] <... futex resumed>) = 0 [pid 9320] <... futex resumed>) = 1 [ 394.399006][ T9319] EXT4-fs: quotafile must be on filesystem root [pid 9321] memfd_create("syzkaller", 0 [pid 9320] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9321] <... memfd_create resumed>) = 3 [pid 9321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9321] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9321] munmap(0x7f0c24913000, 138412032) = 0 [pid 9321] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9321] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9321] close(3) = 0 [pid 9321] close(4) = 0 [pid 9321] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9321] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9321] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9321] ioctl(3, LOOP_CLR_FD) = 0 [pid 9321] close(3) = 0 [pid 9321] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9320] <... futex resumed>) = 0 [pid 9321] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9320] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9321] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9320] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9321] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9320] <... futex resumed>) = 0 [pid 9321] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9320] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9321] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9320] <... futex resumed>) = 0 [pid 9321] <... openat resumed>) = 3 [pid 9320] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9321] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9320] <... futex resumed>) = 0 [pid 9321] <... futex resumed>) = 1 [pid 9320] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9321] pwrite64(3, "\x02\x00", 2, 4 [pid 9320] <... futex resumed>) = 0 [pid 9321] <... pwrite64 resumed>) = 2 [pid 9320] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9321] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9320] <... futex resumed>) = 0 [pid 9321] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9320] exit_group(0 [pid 9321] <... futex resumed>) = ? [pid 9321] +++ exited with 0 +++ [pid 9320] <... exit_group resumed>) = ? [pid 9320] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9320, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 394.494260][ T9321] EXT4-fs: quotafile must be on filesystem root ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9322 attached , child_tidptr=0x555585adc6d0) = 9322 [pid 9322] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9322] setpgid(0, 0) = 0 [pid 9322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9322] write(3, "1000", 4) = 4 [pid 9322] close(3) = 0 [pid 9322] write(1, "executing program\n", 18) = 18 executing program [pid 9322] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9322] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9322] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9322] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9322] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9323]}, 88) = 9323 [pid 9322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 9323 attached [pid 9322] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9323] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9322] <... futex resumed>) = 0 [pid 9322] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9323] <... rseq resumed>) = 0 [pid 9323] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9323] memfd_create("syzkaller", 0) = 3 [pid 9323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9323] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9323] munmap(0x7f0c24913000, 138412032) = 0 [pid 9323] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9323] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9323] close(3) = 0 [pid 9323] close(4) = 0 [pid 9323] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9323] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9323] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9323] ioctl(3, LOOP_CLR_FD) = 0 [pid 9323] close(3) = 0 [pid 9323] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9323] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9322] <... futex resumed>) = 0 [pid 9322] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9323] <... futex resumed>) = 0 [pid 9322] <... futex resumed>) = 1 [pid 9323] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9322] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9323] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9323] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9322] <... futex resumed>) = 0 [pid 9322] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9323] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9322] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9323] <... openat resumed>) = 3 [pid 9323] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9322] <... futex resumed>) = 0 [pid 9323] <... futex resumed>) = 1 [pid 9322] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9323] pwrite64(3, "\x02\x00", 2, 4 [pid 9322] <... futex resumed>) = 0 [pid 9322] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9323] <... pwrite64 resumed>) = 2 [pid 9323] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9322] <... futex resumed>) = 0 [pid 9323] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9322] exit_group(0) = ? [pid 9323] <... futex resumed>) = ? [pid 9323] +++ exited with 0 +++ [pid 9322] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9324 attached [ 394.625835][ T9323] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9324 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9324] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9324] <... set_robust_list resumed>) = 0 [pid 9324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9324] setpgid(0, 0) = 0 [pid 9324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9324] write(3, "1000", 4) = 4 [pid 9324] close(3) = 0 [pid 9324] write(1, "executing program\n", 18) = 18 executing program [pid 9324] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9324] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9324] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9324] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9324] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9325 attached [pid 9325] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9324] <... clone3 resumed> => {parent_tid=[9325]}, 88) = 9325 [pid 9325] <... rseq resumed>) = 0 [pid 9324] rt_sigprocmask(SIG_SETMASK, [] [pid 9325] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9324] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9324] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9325] memfd_create("syzkaller", 0 [pid 9324] <... futex resumed>) = 0 [pid 9324] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9325] <... memfd_create resumed>) = 3 [pid 9325] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9325] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9325] munmap(0x7f0c24913000, 138412032) = 0 [pid 9325] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9325] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9325] close(3) = 0 [pid 9325] close(4) = 0 [pid 9325] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9325] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9325] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9325] ioctl(3, LOOP_CLR_FD) = 0 [pid 9325] close(3) = 0 [pid 9325] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9325] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9324] <... futex resumed>) = 0 [pid 9324] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9325] <... futex resumed>) = 0 [pid 9325] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9324] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9325] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9325] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9324] <... futex resumed>) = 0 [pid 9325] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9324] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9325] <... futex resumed>) = 0 [pid 9324] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9325] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9325] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9324] <... futex resumed>) = 0 [pid 9325] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9324] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9324] <... futex resumed>) = 0 [pid 9325] pwrite64(3, "\x02\x00", 2, 4 [pid 9324] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9325] <... pwrite64 resumed>) = 2 [pid 9325] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9324] <... futex resumed>) = 0 [pid 9325] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9324] exit_group(0) = ? [pid 9325] <... futex resumed>) = ? [pid 9325] +++ exited with 0 +++ [pid 9324] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 394.763750][ T9325] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9326 attached , child_tidptr=0x555585adc6d0) = 9326 [pid 9326] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9326] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9326] setpgid(0, 0) = 0 [pid 9326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9326] write(3, "1000", 4) = 4 [pid 9326] close(3) = 0 executing program [pid 9326] write(1, "executing program\n", 18) = 18 [pid 9326] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9326] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9326] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9326] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9327 attached => {parent_tid=[9327]}, 88) = 9327 [pid 9327] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9326] rt_sigprocmask(SIG_SETMASK, [] [pid 9327] <... rseq resumed>) = 0 [pid 9326] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9327] set_robust_list(0x7f0c2cd339a0, 24 [pid 9326] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9327] <... set_robust_list resumed>) = 0 [pid 9327] rt_sigprocmask(SIG_SETMASK, [] [pid 9326] <... futex resumed>) = 0 [pid 9327] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9326] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9327] memfd_create("syzkaller", 0) = 3 [pid 9327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9327] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9327] munmap(0x7f0c24913000, 138412032) = 0 [pid 9327] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9327] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9327] close(3) = 0 [pid 9327] close(4) = 0 [pid 9327] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9327] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9327] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9327] ioctl(3, LOOP_CLR_FD) = 0 [pid 9327] close(3) = 0 [pid 9327] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9326] <... futex resumed>) = 0 [pid 9327] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9326] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9326] <... futex resumed>) = 0 [pid 9327] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9326] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9327] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9327] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9326] <... futex resumed>) = 0 [pid 9327] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9326] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9326] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9327] <... futex resumed>) = 0 [pid 9327] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9327] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9326] <... futex resumed>) = 0 [pid 9326] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9326] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9327] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9327] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9326] <... futex resumed>) = 0 [pid 9327] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9326] exit_group(0 [pid 9327] <... futex resumed>) = ? [pid 9326] <... exit_group resumed>) = ? [pid 9327] +++ exited with 0 +++ [pid 9326] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9326, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9328 attached , child_tidptr=0x555585adc6d0) = 9328 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [ 394.879097][ T9327] EXT4-fs: quotafile must be on filesystem root [pid 9328] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9328] <... set_robust_list resumed>) = 0 [pid 9328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9328] setpgid(0, 0) = 0 [pid 9328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9328] write(3, "1000", 4) = 4 [pid 9328] close(3) = 0 executing program [pid 9328] write(1, "executing program\n", 18) = 18 [pid 9328] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9328] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9328] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9328] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9329 attached [pid 9329] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9328] <... clone3 resumed> => {parent_tid=[9329]}, 88) = 9329 [pid 9329] <... rseq resumed>) = 0 [pid 9329] set_robust_list(0x7f0c2cd339a0, 24 [pid 9328] rt_sigprocmask(SIG_SETMASK, [] [pid 9329] <... set_robust_list resumed>) = 0 [pid 9328] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9329] rt_sigprocmask(SIG_SETMASK, [] [pid 9328] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9329] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9329] memfd_create("syzkaller", 0 [pid 9328] <... futex resumed>) = 0 [pid 9328] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9329] <... memfd_create resumed>) = 3 [pid 9329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9329] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9329] munmap(0x7f0c24913000, 138412032) = 0 [pid 9329] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9329] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9329] close(3) = 0 [pid 9329] close(4) = 0 [pid 9329] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9329] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9329] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9329] ioctl(3, LOOP_CLR_FD) = 0 [pid 9329] close(3) = 0 [pid 9329] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9328] <... futex resumed>) = 0 [pid 9329] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9328] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9329] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9328] <... futex resumed>) = 0 [pid 9328] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9329] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9329] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9328] <... futex resumed>) = 0 [pid 9328] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9329] <... futex resumed>) = 0 [pid 9329] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9328] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9329] <... openat resumed>) = 3 [pid 9329] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9328] <... futex resumed>) = 0 [pid 9328] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9328] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9329] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9329] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9328] <... futex resumed>) = 0 [pid 9329] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9328] exit_group(0 [pid 9329] <... futex resumed>) = ? [pid 9328] <... exit_group resumed>) = ? [pid 9329] +++ exited with 0 +++ [pid 9328] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9330 attached [ 394.987978][ T9329] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9330 [pid 9330] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9330] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9330] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9330] setpgid(0, 0) = 0 [pid 9330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9330] write(3, "1000", 4) = 4 [pid 9330] close(3) = 0 [pid 9330] write(1, "executing program\n", 18) = 18 executing program [pid 9330] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9330] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9330] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9330] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9330] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9331 attached [pid 9331] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9330] <... clone3 resumed> => {parent_tid=[9331]}, 88) = 9331 [pid 9331] <... rseq resumed>) = 0 [pid 9330] rt_sigprocmask(SIG_SETMASK, [] [pid 9331] set_robust_list(0x7f0c2cd339a0, 24 [pid 9330] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9331] <... set_robust_list resumed>) = 0 [pid 9330] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9331] rt_sigprocmask(SIG_SETMASK, [] [pid 9330] <... futex resumed>) = 0 [pid 9331] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9330] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9331] memfd_create("syzkaller", 0) = 3 [pid 9331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9331] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9331] munmap(0x7f0c24913000, 138412032) = 0 [pid 9331] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9331] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9331] close(3) = 0 [pid 9331] close(4) = 0 [pid 9331] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9331] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9331] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9331] ioctl(3, LOOP_CLR_FD) = 0 [pid 9331] close(3) = 0 [pid 9331] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9330] <... futex resumed>) = 0 [pid 9331] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9330] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9330] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9331] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9331] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9330] <... futex resumed>) = 0 [pid 9331] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9330] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9330] <... futex resumed>) = 0 [pid 9331] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9330] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9331] <... openat resumed>) = 3 [pid 9331] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9330] <... futex resumed>) = 0 [pid 9331] pwrite64(3, "\x02\x00", 2, 4 [pid 9330] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9331] <... pwrite64 resumed>) = 2 [pid 9330] <... futex resumed>) = 0 [pid 9330] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9331] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9331] <... futex resumed>) = 0 [pid 9331] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9330] exit_group(0) = ? [pid 9331] <... futex resumed>) = ? [pid 9331] +++ exited with 0 +++ [pid 9330] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 395.084604][ T9331] EXT4-fs: quotafile must be on filesystem root ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9332 attached [pid 9332] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9332] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9332 [pid 9332] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9332] <... prctl resumed>) = 0 [pid 9332] setpgid(0, 0) = 0 [pid 9332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9332] write(3, "1000", 4) = 4 [pid 9332] close(3) = 0 executing program [pid 9332] write(1, "executing program\n", 18) = 18 [pid 9332] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9332] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9332] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9332] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9333 attached => {parent_tid=[9333]}, 88) = 9333 [pid 9333] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9333] <... rseq resumed>) = 0 [pid 9332] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9333] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9332] <... futex resumed>) = 0 [pid 9333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9332] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9333] memfd_create("syzkaller", 0) = 3 [pid 9333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9333] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9333] munmap(0x7f0c24913000, 138412032) = 0 [pid 9333] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9333] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9333] close(3) = 0 [pid 9333] close(4) = 0 [pid 9333] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9333] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9333] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9333] ioctl(3, LOOP_CLR_FD) = 0 [pid 9333] close(3) = 0 [pid 9333] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9332] <... futex resumed>) = 0 [pid 9333] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9332] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9333] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9332] <... futex resumed>) = 0 [pid 9332] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9333] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9332] <... futex resumed>) = 0 [pid 9333] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9332] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9333] <... futex resumed>) = 0 [pid 9332] <... futex resumed>) = 1 [pid 9333] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9332] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9333] <... openat resumed>) = 3 [pid 9333] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9332] <... futex resumed>) = 0 [pid 9333] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9332] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9332] <... futex resumed>) = 0 [pid 9333] pwrite64(3, "\x02\x00", 2, 4 [pid 9332] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9333] <... pwrite64 resumed>) = 2 [pid 9333] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9332] <... futex resumed>) = 0 [pid 9333] <... futex resumed>) = 1 [pid 9333] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9332] exit_group(0) = ? [pid 9333] <... futex resumed>) = ? [pid 9333] +++ exited with 0 +++ [pid 9332] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 395.221355][ T9333] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9334 attached , child_tidptr=0x555585adc6d0) = 9334 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9334] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9334] <... set_robust_list resumed>) = 0 [pid 9334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9334] setpgid(0, 0) = 0 [pid 9334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9334] write(3, "1000", 4) = 4 [pid 9334] close(3) = 0 executing program [pid 9334] write(1, "executing program\n", 18) = 18 [pid 9334] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9334] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9334] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9334] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9334] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9335 attached => {parent_tid=[9335]}, 88) = 9335 [pid 9335] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9334] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9335] set_robust_list(0x7f0c2cd339a0, 24 [pid 9334] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9335] <... set_robust_list resumed>) = 0 [pid 9335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9335] memfd_create("syzkaller", 0) = 3 [pid 9335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9335] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9335] munmap(0x7f0c24913000, 138412032) = 0 [pid 9335] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9335] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9335] close(3) = 0 [pid 9335] close(4) = 0 [pid 9335] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9335] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9335] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9335] ioctl(3, LOOP_CLR_FD) = 0 [pid 9335] close(3) = 0 [pid 9335] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9334] <... futex resumed>) = 0 [pid 9335] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9334] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9334] <... futex resumed>) = 0 [pid 9335] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9334] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9335] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9335] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9334] <... futex resumed>) = 0 [pid 9335] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9334] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9335] <... openat resumed>) = 3 [pid 9334] <... futex resumed>) = 0 [pid 9334] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9335] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9334] <... futex resumed>) = 0 [pid 9335] <... futex resumed>) = 1 [pid 9334] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9335] pwrite64(3, "\x02\x00", 2, 4 [pid 9334] <... futex resumed>) = 0 [pid 9335] <... pwrite64 resumed>) = 2 [pid 9334] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9335] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9334] <... futex resumed>) = 0 [pid 9334] exit_group(0 [pid 9335] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9334] <... exit_group resumed>) = ? [pid 9335] +++ exited with 0 +++ [pid 9334] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9336 attached , child_tidptr=0x555585adc6d0) = 9336 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9336] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9336] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9336] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 395.351563][ T9335] EXT4-fs: quotafile must be on filesystem root [pid 9336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9336] setpgid(0, 0) = 0 [pid 9336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9336] write(3, "1000", 4) = 4 [pid 9336] close(3) = 0 executing program [pid 9336] write(1, "executing program\n", 18) = 18 [pid 9336] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9336] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9336] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9336] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9336] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9337 attached [pid 9337] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9336] <... clone3 resumed> => {parent_tid=[9337]}, 88) = 9337 [pid 9337] <... rseq resumed>) = 0 [pid 9337] set_robust_list(0x7f0c2cd339a0, 24 [pid 9336] rt_sigprocmask(SIG_SETMASK, [] [pid 9337] <... set_robust_list resumed>) = 0 [pid 9336] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9337] rt_sigprocmask(SIG_SETMASK, [] [pid 9336] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9337] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9336] <... futex resumed>) = 0 [pid 9337] memfd_create("syzkaller", 0 [pid 9336] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9337] <... memfd_create resumed>) = 3 [pid 9337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9337] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9337] munmap(0x7f0c24913000, 138412032) = 0 [pid 9337] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9337] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9337] close(3) = 0 [pid 9337] close(4) = 0 [pid 9337] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9337] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9337] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9337] ioctl(3, LOOP_CLR_FD) = 0 [pid 9337] close(3) = 0 [pid 9337] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9336] <... futex resumed>) = 0 [pid 9337] <... futex resumed>) = 1 [pid 9336] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9337] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9336] <... futex resumed>) = 0 [pid 9337] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9336] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9337] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9336] <... futex resumed>) = 0 [pid 9337] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9336] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9337] <... openat resumed>) = 3 [pid 9336] <... futex resumed>) = 0 [pid 9336] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9337] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9336] <... futex resumed>) = 0 [pid 9337] pwrite64(3, "\x02\x00", 2, 4 [pid 9336] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9337] <... pwrite64 resumed>) = 2 [pid 9336] <... futex resumed>) = 0 [pid 9336] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9337] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9337] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9336] <... futex resumed>) = 0 [pid 9336] exit_group(0 [pid 9337] <... futex resumed>) = ? [pid 9336] <... exit_group resumed>) = ? [pid 9337] +++ exited with 0 +++ [pid 9336] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9338 attached [ 395.475640][ T9337] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9338 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9338] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9338] <... set_robust_list resumed>) = 0 [pid 9338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9338] setpgid(0, 0) = 0 [pid 9338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9338] write(3, "1000", 4) = 4 [pid 9338] close(3) = 0 [pid 9338] write(1, "executing program\n", 18) = 18 executing program [pid 9338] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9338] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9338] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9338] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9339 attached [pid 9339] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9338] <... clone3 resumed> => {parent_tid=[9339]}, 88) = 9339 [pid 9339] <... rseq resumed>) = 0 [pid 9339] set_robust_list(0x7f0c2cd339a0, 24 [pid 9338] rt_sigprocmask(SIG_SETMASK, [] [pid 9339] <... set_robust_list resumed>) = 0 [pid 9338] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9339] rt_sigprocmask(SIG_SETMASK, [] [pid 9338] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9339] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9338] <... futex resumed>) = 0 [pid 9339] memfd_create("syzkaller", 0 [pid 9338] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9339] <... memfd_create resumed>) = 3 [pid 9339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9339] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9339] munmap(0x7f0c24913000, 138412032) = 0 [pid 9339] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9339] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9339] close(3) = 0 [pid 9339] close(4) = 0 [pid 9339] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9339] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9339] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9339] ioctl(3, LOOP_CLR_FD) = 0 [pid 9339] close(3) = 0 [pid 9339] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9338] <... futex resumed>) = 0 [pid 9339] <... futex resumed>) = 1 [pid 9338] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9339] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9338] <... futex resumed>) = 0 [pid 9339] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9338] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9339] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9338] <... futex resumed>) = 0 [pid 9339] <... futex resumed>) = 1 [pid 9338] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9339] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9338] <... futex resumed>) = 0 [pid 9338] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9339] <... openat resumed>) = 3 [pid 9339] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9338] <... futex resumed>) = 0 [pid 9338] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9338] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9339] <... futex resumed>) = 1 [pid 9339] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9339] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9338] <... futex resumed>) = 0 [pid 9339] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9338] exit_group(0 [pid 9339] <... futex resumed>) = ? [pid 9338] <... exit_group resumed>) = ? [pid 9339] +++ exited with 0 +++ [pid 9338] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9338, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 395.597271][ T9339] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9340 attached , child_tidptr=0x555585adc6d0) = 9340 [pid 9340] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9340] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9340] setpgid(0, 0) = 0 [pid 9340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9340] write(3, "1000", 4) = 4 [pid 9340] close(3) = 0 [pid 9340] write(1, "executing program\n", 18) = 18 [pid 9340] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9340] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9340] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9340] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9341 attached => {parent_tid=[9341]}, 88) = 9341 [pid 9341] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9340] rt_sigprocmask(SIG_SETMASK, [] [pid 9341] <... rseq resumed>) = 0 [pid 9340] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9341] set_robust_list(0x7f0c2cd339a0, 24 [pid 9340] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9341] <... set_robust_list resumed>) = 0 [pid 9340] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9341] memfd_create("syzkaller", 0) = 3 [pid 9341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9341] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9341] munmap(0x7f0c24913000, 138412032) = 0 [pid 9341] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9341] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9341] close(3) = 0 [pid 9341] close(4) = 0 [pid 9341] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9341] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9341] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9341] ioctl(3, LOOP_CLR_FD) = 0 [pid 9341] close(3) = 0 [pid 9341] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9340] <... futex resumed>) = 0 [pid 9340] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9341] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9340] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9341] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9341] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9340] <... futex resumed>) = 0 [pid 9341] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9340] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9340] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9341] <... futex resumed>) = 0 [pid 9341] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9341] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9340] <... futex resumed>) = 0 [pid 9341] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9340] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9340] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9341] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9341] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9341] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9340] <... futex resumed>) = 0 [pid 9340] exit_group(0 [pid 9341] <... futex resumed>) = ? [pid 9340] <... exit_group resumed>) = ? [pid 9341] +++ exited with 0 +++ [pid 9340] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9342 rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 9342 attached , NULL, 8) = 0 [pid 9342] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9342] setpgid(0, 0) = 0 [pid 9342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9342] write(3, "1000", 4) = 4 [pid 9342] close(3) = 0 [pid 9342] write(1, "executing program\n", 18) = 18 [pid 9342] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9342] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9342] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9342] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 395.705830][ T9341] EXT4-fs: quotafile must be on filesystem root [pid 9342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9343 attached [pid 9343] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9342] <... clone3 resumed> => {parent_tid=[9343]}, 88) = 9343 [pid 9343] <... rseq resumed>) = 0 [pid 9343] set_robust_list(0x7f0c2cd339a0, 24 [pid 9342] rt_sigprocmask(SIG_SETMASK, [] [pid 9343] <... set_robust_list resumed>) = 0 [pid 9342] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9343] rt_sigprocmask(SIG_SETMASK, [] [pid 9342] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9343] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9342] <... futex resumed>) = 0 [pid 9343] memfd_create("syzkaller", 0 [pid 9342] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9343] <... memfd_create resumed>) = 3 [pid 9343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9343] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9343] munmap(0x7f0c24913000, 138412032) = 0 [pid 9343] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9343] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9343] close(3) = 0 [pid 9343] close(4) = 0 [pid 9343] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9343] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9343] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9343] ioctl(3, LOOP_CLR_FD) = 0 [pid 9343] close(3) = 0 [pid 9343] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9342] <... futex resumed>) = 0 [pid 9343] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9342] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9343] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9343] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9343] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 9342] <... futex resumed>) = 1 [pid 9343] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9342] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9342] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9343] <... futex resumed>) = 0 [pid 9343] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9342] <... futex resumed>) = 1 [pid 9343] <... openat resumed>) = 3 [pid 9342] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9343] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9342] <... futex resumed>) = 0 [pid 9342] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9343] <... futex resumed>) = 1 [pid 9342] <... futex resumed>) = 0 [pid 9343] pwrite64(3, "\x02\x00", 2, 4 [pid 9342] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9343] <... pwrite64 resumed>) = 2 [pid 9343] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9342] <... futex resumed>) = 0 [pid 9343] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9342] exit_group(0 [pid 9343] <... futex resumed>) = ? [pid 9342] <... exit_group resumed>) = ? [pid 9343] +++ exited with 0 +++ [pid 9342] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 395.809073][ T9343] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9344 attached [pid 9344] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9344] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9344 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9344] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9344] setpgid(0, 0) = 0 [pid 9344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9344] write(3, "1000", 4) = 4 [pid 9344] close(3) = 0 executing program [pid 9344] write(1, "executing program\n", 18) = 18 [pid 9344] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9344] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9344] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9345]}, 88) = 9345 ci2-upstream-fs/strace-static-x86_64: Process 9345 attached [pid 9344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9344] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9345] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9344] <... futex resumed>) = 0 [pid 9344] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9345] <... rseq resumed>) = 0 [pid 9345] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9345] memfd_create("syzkaller", 0) = 3 [pid 9345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9345] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9345] munmap(0x7f0c24913000, 138412032) = 0 [pid 9345] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9345] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9345] close(3) = 0 [pid 9345] close(4) = 0 [pid 9345] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9345] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9345] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9345] ioctl(3, LOOP_CLR_FD) = 0 [pid 9345] close(3) = 0 [pid 9345] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9344] <... futex resumed>) = 0 [pid 9345] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9344] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9344] <... futex resumed>) = 0 [pid 9345] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9344] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9345] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9345] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9344] <... futex resumed>) = 0 [pid 9344] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9345] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9344] <... futex resumed>) = 0 [pid 9345] <... openat resumed>) = 3 [pid 9344] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9345] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9345] <... futex resumed>) = 0 [pid 9344] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9345] pwrite64(3, "\x02\x00", 2, 4 [pid 9344] <... futex resumed>) = 0 [pid 9345] <... pwrite64 resumed>) = 2 [pid 9344] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9345] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9345] <... futex resumed>) = 0 [pid 9344] exit_group(0) = ? [pid 9345] +++ exited with 0 +++ [pid 9344] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9344, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9346 attached , child_tidptr=0x555585adc6d0) = 9346 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9346] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9346] <... set_robust_list resumed>) = 0 [pid 9346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9346] setpgid(0, 0) = 0 [pid 9346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9346] write(3, "1000", 4) = 4 [pid 9346] close(3) = 0 executing program [pid 9346] write(1, "executing program\n", 18) = 18 [pid 9346] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9346] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9346] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9346] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9346] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 395.994874][ T9345] EXT4-fs: quotafile must be on filesystem root [pid 9346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9347 attached [pid 9347] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9346] <... clone3 resumed> => {parent_tid=[9347]}, 88) = 9347 [pid 9347] <... rseq resumed>) = 0 [pid 9346] rt_sigprocmask(SIG_SETMASK, [] [pid 9347] set_robust_list(0x7f0c2cd339a0, 24 [pid 9346] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9347] <... set_robust_list resumed>) = 0 [pid 9347] rt_sigprocmask(SIG_SETMASK, [] [pid 9346] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9347] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9346] <... futex resumed>) = 0 [pid 9347] memfd_create("syzkaller", 0 [pid 9346] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9347] <... memfd_create resumed>) = 3 [pid 9347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9347] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9347] munmap(0x7f0c24913000, 138412032) = 0 [pid 9347] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9347] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9347] close(3) = 0 [pid 9347] close(4) = 0 [pid 9347] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9347] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9347] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9347] ioctl(3, LOOP_CLR_FD) = 0 [pid 9347] close(3) = 0 [pid 9347] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9346] <... futex resumed>) = 0 [pid 9346] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9347] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9346] <... futex resumed>) = 0 [pid 9347] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9346] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9347] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9347] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9346] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9346] <... futex resumed>) = 0 [pid 9347] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9346] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9347] <... openat resumed>) = 3 [pid 9347] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9346] <... futex resumed>) = 0 [pid 9347] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9346] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9346] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9347] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9347] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9346] <... futex resumed>) = 0 [pid 9347] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9346] exit_group(0 [pid 9347] <... futex resumed>) = ? [pid 9347] +++ exited with 0 +++ [pid 9346] <... exit_group resumed>) = ? [pid 9346] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 396.126120][ T9347] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9348 attached , child_tidptr=0x555585adc6d0) = 9348 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9348] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9348] <... set_robust_list resumed>) = 0 [pid 9348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9348] setpgid(0, 0) = 0 [pid 9348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9348] write(3, "1000", 4) = 4 [pid 9348] close(3) = 0 executing program [pid 9348] write(1, "executing program\n", 18) = 18 [pid 9348] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9348] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9348] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9348] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9348] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9349 attached [pid 9349] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9348] <... clone3 resumed> => {parent_tid=[9349]}, 88) = 9349 [pid 9349] set_robust_list(0x7f0c2cd339a0, 24 [pid 9348] rt_sigprocmask(SIG_SETMASK, [] [pid 9349] <... set_robust_list resumed>) = 0 [pid 9348] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9349] rt_sigprocmask(SIG_SETMASK, [] [pid 9348] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9349] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9348] <... futex resumed>) = 0 [pid 9349] memfd_create("syzkaller", 0 [pid 9348] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9349] <... memfd_create resumed>) = 3 [pid 9349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9349] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9349] munmap(0x7f0c24913000, 138412032) = 0 [pid 9349] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9349] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9349] close(3) = 0 [pid 9349] close(4) = 0 [pid 9349] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9349] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9349] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9349] ioctl(3, LOOP_CLR_FD) = 0 [pid 9349] close(3) = 0 [pid 9349] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9348] <... futex resumed>) = 0 [pid 9349] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9348] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9348] <... futex resumed>) = 0 [pid 9349] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9348] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9349] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9349] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9348] <... futex resumed>) = 0 [pid 9349] <... futex resumed>) = 1 [pid 9348] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9349] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9348] <... futex resumed>) = 0 [pid 9349] <... openat resumed>) = 3 [pid 9348] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9349] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9348] <... futex resumed>) = 0 [pid 9349] <... futex resumed>) = 1 [pid 9349] pwrite64(3, "\x02\x00", 2, 4 [pid 9348] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9348] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9349] <... pwrite64 resumed>) = 2 [pid 9349] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9348] <... futex resumed>) = 0 [pid 9348] exit_group(0 [pid 9349] ???( [pid 9348] <... exit_group resumed>) = ? [pid 9349] <... ??? resumed>) = ? [pid 9349] +++ exited with 0 +++ [pid 9348] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9348, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9350 attached , child_tidptr=0x555585adc6d0) = 9350 [pid 9350] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9350] <... set_robust_list resumed>) = 0 [ 396.278391][ T9349] EXT4-fs: quotafile must be on filesystem root [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9350] setpgid(0, 0) = 0 [pid 9350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9350] write(3, "1000", 4) = 4 [pid 9350] close(3) = 0 executing program [pid 9350] write(1, "executing program\n", 18) = 18 [pid 9350] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9350] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9350] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9350] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9351 attached [pid 9351] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9350] <... clone3 resumed> => {parent_tid=[9351]}, 88) = 9351 [pid 9351] <... rseq resumed>) = 0 [pid 9350] rt_sigprocmask(SIG_SETMASK, [] [pid 9351] set_robust_list(0x7f0c2cd339a0, 24 [pid 9350] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9351] <... set_robust_list resumed>) = 0 [pid 9350] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9351] rt_sigprocmask(SIG_SETMASK, [] [pid 9350] <... futex resumed>) = 0 [pid 9351] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9351] memfd_create("syzkaller", 0 [pid 9350] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9351] <... memfd_create resumed>) = 3 [pid 9351] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9351] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9351] munmap(0x7f0c24913000, 138412032) = 0 [pid 9351] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9351] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9351] close(3) = 0 [pid 9351] close(4) = 0 [pid 9351] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9351] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9351] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9351] ioctl(3, LOOP_CLR_FD) = 0 [pid 9351] close(3) = 0 [pid 9351] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9350] <... futex resumed>) = 0 [pid 9351] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9350] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9350] <... futex resumed>) = 0 [pid 9351] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9350] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9351] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9351] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9350] <... futex resumed>) = 0 [pid 9351] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9350] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9350] <... futex resumed>) = 0 [pid 9351] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9350] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9351] <... openat resumed>) = 3 [pid 9351] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9350] <... futex resumed>) = 0 [pid 9351] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9350] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9350] <... futex resumed>) = 0 [pid 9351] pwrite64(3, "\x02\x00", 2, 4 [pid 9350] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9351] <... pwrite64 resumed>) = 2 [pid 9351] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9350] <... futex resumed>) = 0 [pid 9350] exit_group(0 [pid 9351] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9350] <... exit_group resumed>) = ? [pid 9351] <... futex resumed>) = ? [pid 9351] +++ exited with 0 +++ [pid 9350] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9352 attached , child_tidptr=0x555585adc6d0) = 9352 [pid 9352] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9352] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9352] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9352] setpgid(0, 0) = 0 [pid 9352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9352] write(3, "1000", 4) = 4 [pid 9352] close(3) = 0 [pid 9352] write(1, "executing program\n", 18) = 18 executing program [pid 9352] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9352] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9352] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9352] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9352] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9353 attached => {parent_tid=[9353]}, 88) = 9353 [pid 9353] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9352] rt_sigprocmask(SIG_SETMASK, [] [pid 9353] <... rseq resumed>) = 0 [pid 9352] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9353] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9352] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9353] memfd_create("syzkaller", 0 [pid 9352] <... futex resumed>) = 0 [pid 9353] <... memfd_create resumed>) = 3 [pid 9352] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 396.372772][ T9351] EXT4-fs: quotafile must be on filesystem root [pid 9353] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9353] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9353] munmap(0x7f0c24913000, 138412032) = 0 [pid 9353] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9353] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9353] close(3) = 0 [pid 9353] close(4) = 0 [pid 9353] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9353] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9353] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9353] ioctl(3, LOOP_CLR_FD) = 0 [pid 9353] close(3) = 0 [pid 9353] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9352] <... futex resumed>) = 0 [pid 9353] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9352] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9352] <... futex resumed>) = 0 [pid 9353] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9352] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9353] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9353] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9352] <... futex resumed>) = 0 [pid 9353] <... futex resumed>) = 1 [pid 9353] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9352] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9352] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9353] <... openat resumed>) = 3 [pid 9353] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9352] <... futex resumed>) = 0 [pid 9353] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9352] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9352] <... futex resumed>) = 0 [pid 9353] pwrite64(3, "\x02\x00", 2, 4 [pid 9352] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9353] <... pwrite64 resumed>) = 2 [pid 9353] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9352] <... futex resumed>) = 0 [pid 9353] <... futex resumed>) = 1 [pid 9353] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9352] exit_group(0 [pid 9353] <... futex resumed>) = ? [pid 9352] <... exit_group resumed>) = ? [pid 9353] +++ exited with 0 +++ [pid 9352] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9352, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 396.452321][ T9353] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9354 ci2-upstream-fs/strace-static-x86_64: Process 9354 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9354] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9354] <... set_robust_list resumed>) = 0 [pid 9354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9354] setpgid(0, 0) = 0 [pid 9354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9354] write(3, "1000", 4) = 4 [pid 9354] close(3) = 0 [pid 9354] write(1, "executing program\n", 18) = 18 executing program [pid 9354] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9354] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9354] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9354] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9354] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9354] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9355 attached => {parent_tid=[9355]}, 88) = 9355 [pid 9355] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9354] rt_sigprocmask(SIG_SETMASK, [] [pid 9355] <... rseq resumed>) = 0 [pid 9354] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9355] set_robust_list(0x7f0c2cd339a0, 24 [pid 9354] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9355] <... set_robust_list resumed>) = 0 [pid 9355] rt_sigprocmask(SIG_SETMASK, [] [pid 9354] <... futex resumed>) = 0 [pid 9354] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9355] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9355] memfd_create("syzkaller", 0) = 3 [pid 9355] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9355] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9355] munmap(0x7f0c24913000, 138412032) = 0 [pid 9355] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9355] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9355] close(3) = 0 [pid 9355] close(4) = 0 [pid 9355] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9355] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9355] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9355] ioctl(3, LOOP_CLR_FD) = 0 [pid 9355] close(3) = 0 [pid 9355] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9355] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9354] <... futex resumed>) = 0 [pid 9354] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9355] <... futex resumed>) = 0 [pid 9354] <... futex resumed>) = 1 [pid 9355] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9354] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9355] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9354] <... futex resumed>) = 0 [pid 9355] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9354] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9355] <... openat resumed>) = 3 [pid 9354] <... futex resumed>) = 0 [pid 9354] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9355] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9354] <... futex resumed>) = 0 [pid 9355] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9354] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9354] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9355] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9355] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9354] <... futex resumed>) = 0 [pid 9354] exit_group(0 [pid 9355] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9354] <... exit_group resumed>) = ? [pid 9355] <... futex resumed>) = ? [pid 9355] +++ exited with 0 +++ [pid 9354] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9354, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9356 attached [ 396.571719][ T9355] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9356 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9356] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9356] <... set_robust_list resumed>) = 0 [pid 9356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9356] setpgid(0, 0) = 0 [pid 9356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9356] write(3, "1000", 4) = 4 [pid 9356] close(3) = 0 [pid 9356] write(1, "executing program\n", 18) = 18 executing program [pid 9356] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9356] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9356] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9356] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9356] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9357 attached => {parent_tid=[9357]}, 88) = 9357 [pid 9357] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9357] <... rseq resumed>) = 0 [pid 9357] set_robust_list(0x7f0c2cd339a0, 24 [pid 9356] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9357] <... set_robust_list resumed>) = 0 [pid 9356] <... futex resumed>) = 0 [pid 9357] rt_sigprocmask(SIG_SETMASK, [] [pid 9356] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9357] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9357] memfd_create("syzkaller", 0) = 3 [pid 9357] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9357] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9357] munmap(0x7f0c24913000, 138412032) = 0 [pid 9357] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9357] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9357] close(3) = 0 [pid 9357] close(4) = 0 [pid 9357] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9357] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9357] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9357] ioctl(3, LOOP_CLR_FD) = 0 [pid 9357] close(3) = 0 [pid 9357] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9356] <... futex resumed>) = 0 [pid 9357] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9356] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9356] <... futex resumed>) = 0 [pid 9356] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9357] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9357] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9357] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9356] <... futex resumed>) = 0 [pid 9356] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9357] <... futex resumed>) = 0 [pid 9356] <... futex resumed>) = 1 [pid 9357] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9356] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9357] <... openat resumed>) = 3 [pid 9357] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9357] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9356] <... futex resumed>) = 0 [pid 9356] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9357] <... futex resumed>) = 0 [pid 9356] <... futex resumed>) = 1 [pid 9357] pwrite64(3, "\x02\x00", 2, 4 [pid 9356] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9357] <... pwrite64 resumed>) = 2 [pid 9357] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9357] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9356] <... futex resumed>) = 0 [pid 9356] exit_group(0 [pid 9357] <... futex resumed>) = ? [pid 9356] <... exit_group resumed>) = ? [pid 9357] +++ exited with 0 +++ [pid 9356] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9356, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9358 attached , child_tidptr=0x555585adc6d0) = 9358 [pid 9358] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9358] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 396.720353][ T9357] EXT4-fs: quotafile must be on filesystem root [pid 9358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9358] setpgid(0, 0) = 0 [pid 9358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9358] write(3, "1000", 4) = 4 [pid 9358] close(3) = 0 [pid 9358] write(1, "executing program\n", 18) = 18 [pid 9358] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9358] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9358] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9358] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9358] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9359 attached executing program [pid 9359] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9358] <... clone3 resumed> => {parent_tid=[9359]}, 88) = 9359 [pid 9359] set_robust_list(0x7f0c2cd339a0, 24 [pid 9358] rt_sigprocmask(SIG_SETMASK, [] [pid 9359] <... set_robust_list resumed>) = 0 [pid 9359] rt_sigprocmask(SIG_SETMASK, [] [pid 9358] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9358] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9359] memfd_create("syzkaller", 0 [pid 9358] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9359] <... memfd_create resumed>) = 3 [pid 9359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9359] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9359] munmap(0x7f0c24913000, 138412032) = 0 [pid 9359] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9359] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9359] close(3) = 0 [pid 9359] close(4) = 0 [pid 9359] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9359] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9359] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9359] ioctl(3, LOOP_CLR_FD) = 0 [pid 9359] close(3) = 0 [pid 9359] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9359] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9358] <... futex resumed>) = 0 [pid 9358] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9359] <... futex resumed>) = 0 [pid 9358] <... futex resumed>) = 1 [pid 9359] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9358] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9359] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9359] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9358] <... futex resumed>) = 0 [pid 9359] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9358] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9359] <... futex resumed>) = 0 [pid 9358] <... futex resumed>) = 1 [pid 9359] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9358] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9359] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9358] <... futex resumed>) = 0 [pid 9359] pwrite64(3, "\x02\x00", 2, 4 [pid 9358] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9359] <... pwrite64 resumed>) = 2 [pid 9358] <... futex resumed>) = 0 [pid 9359] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9358] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9359] <... futex resumed>) = 0 [pid 9359] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9358] exit_group(0 [pid 9359] <... futex resumed>) = ? [pid 9358] <... exit_group resumed>) = ? [pid 9359] +++ exited with 0 +++ [pid 9358] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9358, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [ 396.812689][ T9359] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9360 attached , child_tidptr=0x555585adc6d0) = 9360 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9360] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9360] <... set_robust_list resumed>) = 0 [pid 9360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9360] setpgid(0, 0) = 0 [pid 9360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9360] write(3, "1000", 4) = 4 [pid 9360] close(3) = 0 [pid 9360] write(1, "executing program\n", 18) = 18 executing program [pid 9360] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9360] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9360] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9360] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9360] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9361 attached => {parent_tid=[9361]}, 88) = 9361 [pid 9361] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9360] rt_sigprocmask(SIG_SETMASK, [] [pid 9361] set_robust_list(0x7f0c2cd339a0, 24 [pid 9360] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9361] <... set_robust_list resumed>) = 0 [pid 9360] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9361] rt_sigprocmask(SIG_SETMASK, [] [pid 9360] <... futex resumed>) = 0 [pid 9360] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9361] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9361] memfd_create("syzkaller", 0) = 3 [pid 9361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9361] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9361] munmap(0x7f0c24913000, 138412032) = 0 [pid 9361] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9361] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9361] close(3) = 0 [pid 9361] close(4) = 0 [pid 9361] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9361] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9361] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9361] ioctl(3, LOOP_CLR_FD) = 0 [pid 9361] close(3) = 0 [pid 9361] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9361] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9360] <... futex resumed>) = 0 [pid 9360] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9360] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9361] <... futex resumed>) = 0 [pid 9361] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9361] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9360] <... futex resumed>) = 0 [pid 9361] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9360] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9361] <... openat resumed>) = 3 [pid 9360] <... futex resumed>) = 0 [pid 9360] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9361] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9360] <... futex resumed>) = 0 [pid 9360] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9361] <... futex resumed>) = 1 [pid 9360] <... futex resumed>) = 0 [pid 9361] pwrite64(3, "\x02\x00", 2, 4 [pid 9360] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9361] <... pwrite64 resumed>) = 2 [pid 9361] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9360] <... futex resumed>) = 0 [pid 9361] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9360] exit_group(0 [pid 9361] <... futex resumed>) = ? [pid 9360] <... exit_group resumed>) = ? [pid 9361] +++ exited with 0 +++ [pid 9360] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9360, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9362 attached , child_tidptr=0x555585adc6d0) = 9362 [pid 9362] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9362] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 396.947993][ T9361] EXT4-fs: quotafile must be on filesystem root [pid 9362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9362] setpgid(0, 0) = 0 [pid 9362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9362] write(3, "1000", 4) = 4 [pid 9362] close(3) = 0 executing program [pid 9362] write(1, "executing program\n", 18) = 18 [pid 9362] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9362] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9362] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9362] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9363 attached => {parent_tid=[9363]}, 88) = 9363 [pid 9362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9362] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9363] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9362] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9363] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9363] memfd_create("syzkaller", 0) = 3 [pid 9363] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9363] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9363] munmap(0x7f0c24913000, 138412032) = 0 [pid 9363] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9363] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9363] close(3) = 0 [pid 9363] close(4) = 0 [pid 9363] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9363] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9363] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9363] ioctl(3, LOOP_CLR_FD) = 0 [pid 9363] close(3) = 0 [pid 9363] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9363] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9362] <... futex resumed>) = 0 [pid 9362] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9363] <... futex resumed>) = 0 [pid 9362] <... futex resumed>) = 1 [pid 9363] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9362] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9363] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9362] <... futex resumed>) = 0 [pid 9363] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9362] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9363] <... futex resumed>) = 0 [pid 9362] <... futex resumed>) = 1 [pid 9363] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9362] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9363] <... openat resumed>) = 3 [pid 9363] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9362] <... futex resumed>) = 0 [pid 9363] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9362] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9362] <... futex resumed>) = 0 [pid 9363] pwrite64(3, "\x02\x00", 2, 4 [pid 9362] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9363] <... pwrite64 resumed>) = 2 [pid 9363] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9362] <... futex resumed>) = 0 [pid 9363] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9362] exit_group(0) = ? [pid 9363] <... futex resumed>) = ? [pid 9363] +++ exited with 0 +++ [pid 9362] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 397.061774][ T9363] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9364 attached , child_tidptr=0x555585adc6d0) = 9364 [pid 9364] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9364] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9364] setpgid(0, 0) = 0 [pid 9364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9364] write(3, "1000", 4) = 4 [pid 9364] close(3) = 0 [pid 9364] write(1, "executing program\n", 18) = 18 [pid 9364] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9364] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9364] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9364] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9364] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9365 attached [pid 9365] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9364] <... clone3 resumed> => {parent_tid=[9365]}, 88) = 9365 [pid 9365] <... rseq resumed>) = 0 [pid 9364] rt_sigprocmask(SIG_SETMASK, [] [pid 9365] set_robust_list(0x7f0c2cd339a0, 24 [pid 9364] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9365] <... set_robust_list resumed>) = 0 [pid 9365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9364] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9365] memfd_create("syzkaller", 0 [pid 9364] <... futex resumed>) = 0 [pid 9365] <... memfd_create resumed>) = 3 [pid 9364] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9365] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9365] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9365] munmap(0x7f0c24913000, 138412032) = 0 [pid 9365] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9365] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9365] close(3) = 0 [pid 9365] close(4) = 0 [pid 9365] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9365] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9365] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9365] ioctl(3, LOOP_CLR_FD) = 0 [pid 9365] close(3) = 0 [pid 9365] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9364] <... futex resumed>) = 0 [pid 9365] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9364] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9365] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9364] <... futex resumed>) = 0 [pid 9365] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9364] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9365] <... futex resumed>) = 0 [pid 9364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9365] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9364] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9365] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9364] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9365] <... openat resumed>) = 3 [pid 9365] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9364] <... futex resumed>) = 0 [pid 9365] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9364] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9364] <... futex resumed>) = 0 [pid 9365] pwrite64(3, "\x02\x00", 2, 4 [pid 9364] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9365] <... pwrite64 resumed>) = 2 [pid 9365] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9364] <... futex resumed>) = 0 [pid 9365] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9364] exit_group(0 [pid 9365] <... futex resumed>) = ? [pid 9364] <... exit_group resumed>) = ? [pid 9365] +++ exited with 0 +++ [pid 9364] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9364, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9366 attached , child_tidptr=0x555585adc6d0) = 9366 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9366] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9366] setpgid(0, 0) = 0 [ 397.188108][ T9365] EXT4-fs: quotafile must be on filesystem root [pid 9366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9366] write(3, "1000", 4) = 4 [pid 9366] close(3) = 0 [pid 9366] write(1, "executing program\n", 18) = 18 executing program [pid 9366] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9366] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9366] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9366] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9366] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9367 attached [pid 9367] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9367] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9367] rt_sigprocmask(SIG_SETMASK, [] [pid 9366] <... clone3 resumed> => {parent_tid=[9367]}, 88) = 9367 [pid 9367] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9367] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9366] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9366] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9367] <... futex resumed>) = 0 [pid 9367] memfd_create("syzkaller", 0) = 3 [pid 9367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9367] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9367] munmap(0x7f0c24913000, 138412032) = 0 [pid 9367] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9367] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9367] close(3) = 0 [pid 9367] close(4) = 0 [pid 9367] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9367] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9367] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9367] ioctl(3, LOOP_CLR_FD) = 0 [pid 9367] close(3) = 0 [pid 9367] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9366] <... futex resumed>) = 0 [pid 9367] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9366] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9367] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9366] <... futex resumed>) = 0 [pid 9367] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9366] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9367] <... futex resumed>) = 0 [pid 9366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9366] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9367] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9366] <... futex resumed>) = 0 [pid 9366] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9367] <... openat resumed>) = 3 [pid 9367] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9366] <... futex resumed>) = 0 [pid 9367] <... futex resumed>) = 1 [pid 9366] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9367] pwrite64(3, "\x02\x00", 2, 4 [pid 9366] <... futex resumed>) = 0 [pid 9367] <... pwrite64 resumed>) = 2 [pid 9366] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9367] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9366] <... futex resumed>) = 0 [pid 9366] exit_group(0) = ? [pid 9367] +++ exited with 0 +++ [pid 9366] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9366, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9368 attached , child_tidptr=0x555585adc6d0) = 9368 [pid 9368] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9368] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9368] setpgid(0, 0) = 0 [pid 9368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9368] write(3, "1000", 4) = 4 [pid 9368] close(3) = 0 [pid 9368] write(1, "executing program\n", 18) = 18 [pid 9368] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9368] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9368] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9368] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [ 397.285647][ T9367] EXT4-fs: quotafile must be on filesystem root [pid 9368] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9368] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9369 attached [pid 9369] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9369] set_robust_list(0x7f0c2cd339a0, 24 [pid 9368] <... clone3 resumed> => {parent_tid=[9369]}, 88) = 9369 [pid 9369] <... set_robust_list resumed>) = 0 [pid 9368] rt_sigprocmask(SIG_SETMASK, [] [pid 9369] rt_sigprocmask(SIG_SETMASK, [] [pid 9368] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9368] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9369] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9368] <... futex resumed>) = 0 [pid 9369] memfd_create("syzkaller", 0 [pid 9368] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9369] <... memfd_create resumed>) = 3 [pid 9369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9369] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9369] munmap(0x7f0c24913000, 138412032) = 0 [pid 9369] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9369] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9369] close(3) = 0 [pid 9369] close(4) = 0 [pid 9369] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9369] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9369] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9369] ioctl(3, LOOP_CLR_FD) = 0 [pid 9369] close(3) = 0 [pid 9369] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9368] <... futex resumed>) = 0 [pid 9369] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9368] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9368] <... futex resumed>) = 0 [pid 9369] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9368] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9369] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9369] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9368] <... futex resumed>) = 0 [pid 9368] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9368] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9369] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9369] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9368] <... futex resumed>) = 0 [pid 9368] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9369] pwrite64(3, "\x02\x00", 2, 4 [pid 9368] <... futex resumed>) = 0 [pid 9369] <... pwrite64 resumed>) = 2 [pid 9368] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9369] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9368] <... futex resumed>) = 0 [pid 9368] exit_group(0) = ? [pid 9369] +++ exited with 0 +++ [pid 9368] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9368, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 397.367095][ T9369] EXT4-fs: quotafile must be on filesystem root ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9370 attached , child_tidptr=0x555585adc6d0) = 9370 [pid 9370] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9370] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9370] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9370] setpgid(0, 0) = 0 [pid 9370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9370] write(3, "1000", 4) = 4 [pid 9370] close(3) = 0 [pid 9370] write(1, "executing program\n", 18) = 18 [pid 9370] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9370] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9370] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9370] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9370] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9371 attached => {parent_tid=[9371]}, 88) = 9371 [pid 9371] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9370] rt_sigprocmask(SIG_SETMASK, [] [pid 9371] set_robust_list(0x7f0c2cd339a0, 24 [pid 9370] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9371] <... set_robust_list resumed>) = 0 [pid 9370] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9371] rt_sigprocmask(SIG_SETMASK, [] [pid 9370] <... futex resumed>) = 0 [pid 9371] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9371] memfd_create("syzkaller", 0 [pid 9370] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9371] <... memfd_create resumed>) = 3 [pid 9371] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9371] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9371] munmap(0x7f0c24913000, 138412032) = 0 [pid 9371] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9371] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9371] close(3) = 0 [pid 9371] close(4) = 0 [pid 9371] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9371] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9371] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9371] ioctl(3, LOOP_CLR_FD) = 0 [pid 9371] close(3) = 0 [pid 9371] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9370] <... futex resumed>) = 0 [pid 9371] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9370] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9371] <... futex resumed>) = 0 [pid 9370] <... futex resumed>) = 1 [pid 9371] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9370] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9371] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9371] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9370] <... futex resumed>) = 0 [pid 9371] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9370] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9370] <... futex resumed>) = 0 [pid 9371] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9370] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9371] <... openat resumed>) = 3 [pid 9371] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9370] <... futex resumed>) = 0 [pid 9371] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9370] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9371] pwrite64(3, "\x02\x00", 2, 4 [pid 9370] <... futex resumed>) = 0 [pid 9371] <... pwrite64 resumed>) = 2 [pid 9370] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9371] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9370] <... futex resumed>) = 0 [pid 9371] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9370] exit_group(0 [pid 9371] <... futex resumed>) = ? [pid 9370] <... exit_group resumed>) = ? [pid 9371] +++ exited with 0 +++ [pid 9370] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9370, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9372 attached , child_tidptr=0x555585adc6d0) = 9372 [pid 9372] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9372] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 397.500994][ T9371] EXT4-fs: quotafile must be on filesystem root [pid 9372] setpgid(0, 0) = 0 [pid 9372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9372] write(3, "1000", 4) = 4 [pid 9372] close(3) = 0 executing program [pid 9372] write(1, "executing program\n", 18) = 18 [pid 9372] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9372] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9372] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9372] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9372] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9373 attached => {parent_tid=[9373]}, 88) = 9373 [pid 9372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9373] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9372] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9373] <... rseq resumed>) = 0 [pid 9372] <... futex resumed>) = 0 [pid 9372] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9373] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9373] memfd_create("syzkaller", 0) = 3 [pid 9373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9373] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9373] munmap(0x7f0c24913000, 138412032) = 0 [pid 9373] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9373] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9373] close(3) = 0 [pid 9373] close(4) = 0 [pid 9373] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9373] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9373] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9373] ioctl(3, LOOP_CLR_FD) = 0 [pid 9373] close(3) = 0 [pid 9373] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9372] <... futex resumed>) = 0 [pid 9373] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9372] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9372] <... futex resumed>) = 0 [pid 9373] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9372] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9373] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9373] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9372] <... futex resumed>) = 0 [pid 9373] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9372] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9373] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9372] <... futex resumed>) = 0 [pid 9373] <... openat resumed>) = 3 [pid 9372] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9373] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9372] <... futex resumed>) = 0 [pid 9373] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9372] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9372] <... futex resumed>) = 0 [pid 9372] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9373] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9373] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9372] <... futex resumed>) = 0 [pid 9372] exit_group(0) = ? [pid 9373] +++ exited with 0 +++ [pid 9372] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9372, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9374 attached , child_tidptr=0x555585adc6d0) = 9374 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9374] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9374] <... set_robust_list resumed>) = 0 [pid 9374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9374] setpgid(0, 0) = 0 [pid 9374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 397.633626][ T9373] EXT4-fs: quotafile must be on filesystem root [pid 9374] write(3, "1000", 4) = 4 [pid 9374] close(3) = 0 [pid 9374] write(1, "executing program\n", 18) = 18 [pid 9374] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9374] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 executing program [pid 9374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9374] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9374] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9375 attached [pid 9375] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9374] <... clone3 resumed> => {parent_tid=[9375]}, 88) = 9375 [pid 9375] <... rseq resumed>) = 0 [pid 9375] set_robust_list(0x7f0c2cd339a0, 24 [pid 9374] rt_sigprocmask(SIG_SETMASK, [] [pid 9375] <... set_robust_list resumed>) = 0 [pid 9374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9375] rt_sigprocmask(SIG_SETMASK, [] [pid 9374] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9375] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9374] <... futex resumed>) = 0 [pid 9375] memfd_create("syzkaller", 0 [pid 9374] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9375] <... memfd_create resumed>) = 3 [pid 9375] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9375] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9375] munmap(0x7f0c24913000, 138412032) = 0 [pid 9375] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9375] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9375] close(3) = 0 [pid 9375] close(4) = 0 [pid 9375] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9375] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9375] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9375] ioctl(3, LOOP_CLR_FD) = 0 [pid 9375] close(3) = 0 [pid 9375] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9374] <... futex resumed>) = 0 [pid 9375] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9374] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9374] <... futex resumed>) = 0 [pid 9375] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9374] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9375] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9375] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9374] <... futex resumed>) = 0 [pid 9375] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9374] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9375] <... openat resumed>) = 3 [pid 9374] <... futex resumed>) = 0 [pid 9375] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9374] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9375] <... futex resumed>) = 0 [pid 9374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9375] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9374] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9374] <... futex resumed>) = 0 [pid 9375] pwrite64(3, "\x02\x00", 2, 4 [pid 9374] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9375] <... pwrite64 resumed>) = 2 [pid 9375] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9374] <... futex resumed>) = 0 [pid 9374] exit_group(0 [pid 9375] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9374] <... exit_group resumed>) = ? [pid 9375] +++ exited with 0 +++ [pid 9374] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 397.731413][ T9375] EXT4-fs: quotafile must be on filesystem root close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9376 attached , child_tidptr=0x555585adc6d0) = 9376 [pid 9376] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9376] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9376] setpgid(0, 0) = 0 [pid 9376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9376] write(3, "1000", 4) = 4 [pid 9376] close(3) = 0 [pid 9376] write(1, "executing program\n", 18) = 18 executing program [pid 9376] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9376] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9376] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9376] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9377 attached => {parent_tid=[9377]}, 88) = 9377 [pid 9377] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9376] rt_sigprocmask(SIG_SETMASK, [] [pid 9377] <... rseq resumed>) = 0 [pid 9377] set_robust_list(0x7f0c2cd339a0, 24 [pid 9376] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9376] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9377] <... set_robust_list resumed>) = 0 [pid 9377] rt_sigprocmask(SIG_SETMASK, [] [pid 9376] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9377] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9377] memfd_create("syzkaller", 0) = 3 [pid 9377] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9377] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9377] munmap(0x7f0c24913000, 138412032) = 0 [pid 9377] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9377] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9377] close(3) = 0 [pid 9377] close(4) = 0 [pid 9377] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9377] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9377] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9377] ioctl(3, LOOP_CLR_FD) = 0 [pid 9377] close(3) = 0 [pid 9377] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9377] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9376] <... futex resumed>) = 0 [pid 9376] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9377] <... futex resumed>) = 0 [pid 9376] <... futex resumed>) = 1 [pid 9377] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9376] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9377] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9376] <... futex resumed>) = 0 [pid 9377] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9376] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9377] <... openat resumed>) = 3 [pid 9376] <... futex resumed>) = 0 [pid 9376] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9377] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9376] <... futex resumed>) = 0 [pid 9377] pwrite64(3, "\x02\x00", 2, 4 [pid 9376] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9377] <... pwrite64 resumed>) = 2 [pid 9376] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9377] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9377] <... futex resumed>) = 0 [pid 9377] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9376] exit_group(0) = ? [pid 9377] <... futex resumed>) = ? [pid 9377] +++ exited with 0 +++ [pid 9376] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9376, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 397.866630][ T9377] set_capacity_and_notify: 34 callbacks suppressed [ 397.867062][ T9377] loop0: detected capacity change from 0 to 512 [ 397.883060][ T9377] EXT4-fs: quotafile must be on filesystem root ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9378 attached , child_tidptr=0x555585adc6d0) = 9378 [pid 9378] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9378] setpgid(0, 0) = 0 [pid 9378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9378] write(3, "1000", 4) = 4 [pid 9378] close(3) = 0 [pid 9378] write(1, "executing program\n", 18) = 18 executing program [pid 9378] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9378] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9378] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9378] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9378] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9379 attached => {parent_tid=[9379]}, 88) = 9379 [pid 9378] rt_sigprocmask(SIG_SETMASK, [] [pid 9379] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9378] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9378] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9379] <... rseq resumed>) = 0 [pid 9378] <... futex resumed>) = 0 [pid 9379] set_robust_list(0x7f0c2cd339a0, 24 [pid 9378] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9379] <... set_robust_list resumed>) = 0 [pid 9379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9379] memfd_create("syzkaller", 0) = 3 [pid 9379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9379] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9379] munmap(0x7f0c24913000, 138412032) = 0 [pid 9379] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9379] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9379] close(3) = 0 [pid 9379] close(4) = 0 [pid 9379] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9379] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9379] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9379] ioctl(3, LOOP_CLR_FD) = 0 [pid 9379] close(3) = 0 [pid 9379] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9379] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9378] <... futex resumed>) = 0 [pid 9378] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9379] <... futex resumed>) = 0 [pid 9378] <... futex resumed>) = 1 [pid 9379] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9378] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9379] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9379] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9379] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9378] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9379] <... futex resumed>) = 0 [pid 9378] <... futex resumed>) = 1 [pid 9379] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9378] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9379] <... openat resumed>) = 3 [pid 9379] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9378] <... futex resumed>) = 0 [pid 9379] pwrite64(3, "\x02\x00", 2, 4 [pid 9378] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9379] <... pwrite64 resumed>) = 2 [pid 9379] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9378] <... futex resumed>) = 0 [pid 9379] <... futex resumed>) = 0 [pid 9379] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9378] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9378] exit_group(0 [pid 9379] <... futex resumed>) = ? [pid 9378] <... exit_group resumed>) = ? [pid 9379] +++ exited with 0 +++ [pid 9378] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 397.991136][ T9379] loop0: detected capacity change from 0 to 512 [ 398.000575][ T9379] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9380 attached , child_tidptr=0x555585adc6d0) = 9380 [pid 9380] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9380] <... set_robust_list resumed>) = 0 [pid 9380] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9380] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9380] setpgid(0, 0) = 0 [pid 9380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9380] write(3, "1000", 4) = 4 [pid 9380] close(3) = 0 executing program [pid 9380] write(1, "executing program\n", 18) = 18 [pid 9380] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9380] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9380] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9380] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9380] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9380] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9381 attached [pid 9381] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9381] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9380] <... clone3 resumed> => {parent_tid=[9381]}, 88) = 9381 [pid 9381] rt_sigprocmask(SIG_SETMASK, [] [pid 9380] rt_sigprocmask(SIG_SETMASK, [] [pid 9381] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9381] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9380] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9380] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9381] <... futex resumed>) = 0 [pid 9380] <... futex resumed>) = 1 [pid 9381] memfd_create("syzkaller", 0 [pid 9380] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9381] <... memfd_create resumed>) = 3 [pid 9381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9381] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9381] munmap(0x7f0c24913000, 138412032) = 0 [pid 9381] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9381] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9381] close(3) = 0 [pid 9381] close(4) = 0 [pid 9381] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9381] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9381] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9381] ioctl(3, LOOP_CLR_FD) = 0 [pid 9381] close(3) = 0 [pid 9381] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9380] <... futex resumed>) = 0 [pid 9381] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9380] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9381] <... futex resumed>) = 0 [pid 9380] <... futex resumed>) = 1 [pid 9381] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9380] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9381] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9381] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9380] <... futex resumed>) = 0 [pid 9380] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9381] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9380] <... futex resumed>) = 0 [pid 9380] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9381] <... openat resumed>) = 3 [pid 9381] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9380] <... futex resumed>) = 0 [pid 9381] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9380] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9381] <... futex resumed>) = 0 [pid 9381] pwrite64(3, "\x02\x00", 2, 4 [pid 9380] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9381] <... pwrite64 resumed>) = 2 [pid 9381] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9381] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9380] <... futex resumed>) = 0 [pid 9380] exit_group(0 [pid 9381] <... futex resumed>) = ? [pid 9380] <... exit_group resumed>) = ? [pid 9381] +++ exited with 0 +++ [pid 9380] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9382 attached [ 398.104784][ T9381] loop0: detected capacity change from 0 to 512 [ 398.113290][ T9381] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9382 [pid 9382] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9382] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9382] setpgid(0, 0) = 0 [pid 9382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9382] write(3, "1000", 4) = 4 [pid 9382] close(3) = 0 [pid 9382] write(1, "executing program\n", 18) = 18 executing program [pid 9382] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9382] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9382] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9382] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9383 attached => {parent_tid=[9383]}, 88) = 9383 [pid 9383] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9382] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9383] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9382] <... futex resumed>) = 0 [pid 9383] rt_sigprocmask(SIG_SETMASK, [] [pid 9382] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9383] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9383] memfd_create("syzkaller", 0) = 3 [pid 9383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9383] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9383] munmap(0x7f0c24913000, 138412032) = 0 [pid 9383] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9383] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9383] close(3) = 0 [pid 9383] close(4) = 0 [pid 9383] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9383] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9383] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9383] ioctl(3, LOOP_CLR_FD) = 0 [pid 9383] close(3) = 0 [pid 9383] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9382] <... futex resumed>) = 0 [pid 9383] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9382] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9383] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9382] <... futex resumed>) = 0 [pid 9382] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9383] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9383] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9383] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9382] <... futex resumed>) = 0 [pid 9382] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9383] <... futex resumed>) = 0 [pid 9382] <... futex resumed>) = 1 [pid 9383] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9382] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9383] <... openat resumed>) = 3 [pid 9383] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9382] <... futex resumed>) = 0 [pid 9382] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9382] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9383] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9383] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9382] <... futex resumed>) = 0 [pid 9383] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9382] exit_group(0) = ? [ 398.208995][ T9383] loop0: detected capacity change from 0 to 512 [ 398.218324][ T9383] EXT4-fs: quotafile must be on filesystem root [pid 9383] <... futex resumed>) = ? [pid 9383] +++ exited with 0 +++ [pid 9382] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9382, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9384 rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 9384 attached , NULL, 8) = 0 [pid 9384] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9384] setpgid(0, 0) = 0 [pid 9384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9384] write(3, "1000", 4) = 4 [pid 9384] close(3) = 0 [pid 9384] write(1, "executing program\n", 18) = 18 executing program [pid 9384] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9384] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9384] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9384] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9384] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9385 attached => {parent_tid=[9385]}, 88) = 9385 [pid 9384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9385] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9384] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9385] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9385] rt_sigprocmask(SIG_SETMASK, [] [pid 9384] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9385] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9385] memfd_create("syzkaller", 0) = 3 [pid 9385] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9385] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9385] munmap(0x7f0c24913000, 138412032) = 0 [pid 9385] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9385] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9385] close(3) = 0 [pid 9385] close(4) = 0 [pid 9385] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9385] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9385] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9385] ioctl(3, LOOP_CLR_FD) = 0 [pid 9385] close(3) = 0 [pid 9385] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9384] <... futex resumed>) = 0 [pid 9385] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9384] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9385] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9384] <... futex resumed>) = 0 [pid 9384] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9385] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9384] <... futex resumed>) = 0 [pid 9385] <... futex resumed>) = 1 [pid 9384] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9385] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9384] <... futex resumed>) = 0 [pid 9385] <... openat resumed>) = 3 [pid 9384] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9385] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9385] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9384] <... futex resumed>) = 0 [pid 9385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9384] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9385] pwrite64(3, "\x02\x00", 2, 4 [pid 9384] <... futex resumed>) = 0 [pid 9385] <... pwrite64 resumed>) = 2 [pid 9384] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9385] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9384] <... futex resumed>) = 0 [pid 9385] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9384] exit_group(0 [pid 9385] <... futex resumed>) = ? [pid 9384] <... exit_group resumed>) = ? [pid 9385] +++ exited with 0 +++ [pid 9384] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9384, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 398.339904][ T9385] loop0: detected capacity change from 0 to 512 [ 398.347699][ T9385] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9386 attached [pid 9386] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9386 [pid 9386] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9386] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9386] setpgid(0, 0) = 0 [pid 9386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9386] write(3, "1000", 4) = 4 [pid 9386] close(3) = 0 [pid 9386] write(1, "executing program\n", 18) = 18 executing program [pid 9386] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9386] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9386] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9386] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9387 attached [pid 9387] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9386] <... clone3 resumed> => {parent_tid=[9387]}, 88) = 9387 [pid 9387] <... rseq resumed>) = 0 [pid 9386] rt_sigprocmask(SIG_SETMASK, [] [pid 9387] set_robust_list(0x7f0c2cd339a0, 24 [pid 9386] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9387] <... set_robust_list resumed>) = 0 [pid 9386] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9386] <... futex resumed>) = 0 [pid 9387] memfd_create("syzkaller", 0 [pid 9386] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9387] <... memfd_create resumed>) = 3 [pid 9387] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9387] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9387] munmap(0x7f0c24913000, 138412032) = 0 [pid 9387] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9387] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9387] close(3) = 0 [pid 9387] close(4) = 0 [pid 9387] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9387] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9387] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9387] ioctl(3, LOOP_CLR_FD) = 0 [pid 9387] close(3) = 0 [pid 9387] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9386] <... futex resumed>) = 0 [pid 9387] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9386] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9386] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9387] <... futex resumed>) = 0 [pid 9387] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9387] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9386] <... futex resumed>) = 0 [pid 9387] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9386] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9387] <... futex resumed>) = 0 [pid 9386] <... futex resumed>) = 1 [pid 9387] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9386] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9387] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9387] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9386] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9387] <... futex resumed>) = 0 [pid 9386] <... futex resumed>) = 1 [pid 9387] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9386] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9387] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9386] <... futex resumed>) = 0 [pid 9387] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9386] exit_group(0 [pid 9387] <... futex resumed>) = ? [pid 9386] <... exit_group resumed>) = ? [pid 9387] +++ exited with 0 +++ [pid 9386] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9388 attached , child_tidptr=0x555585adc6d0) = 9388 [pid 9388] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9388] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9388] setpgid(0, 0) = 0 [pid 9388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9388] write(3, "1000", 4) = 4 [pid 9388] close(3) = 0 [pid 9388] write(1, "executing program\n", 18) = 18 [pid 9388] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9388] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [ 398.458202][ T9387] loop0: detected capacity change from 0 to 512 [ 398.469926][ T9387] EXT4-fs: quotafile must be on filesystem root [pid 9388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9388] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9388] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9389 attached => {parent_tid=[9389]}, 88) = 9389 [pid 9389] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9388] rt_sigprocmask(SIG_SETMASK, [] [pid 9389] <... rseq resumed>) = 0 [pid 9388] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9389] set_robust_list(0x7f0c2cd339a0, 24 [pid 9388] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9389] <... set_robust_list resumed>) = 0 [pid 9388] <... futex resumed>) = 0 [pid 9389] rt_sigprocmask(SIG_SETMASK, [] [pid 9388] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9389] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9389] memfd_create("syzkaller", 0) = 3 [pid 9389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9389] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9389] munmap(0x7f0c24913000, 138412032) = 0 [pid 9389] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9389] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9389] close(3) = 0 [pid 9389] close(4) = 0 [pid 9389] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9389] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9389] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9389] ioctl(3, LOOP_CLR_FD) = 0 [pid 9389] close(3) = 0 [pid 9389] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9388] <... futex resumed>) = 0 [pid 9388] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9389] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9388] <... futex resumed>) = 0 [pid 9389] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9388] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9389] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9388] <... futex resumed>) = 0 [pid 9389] <... futex resumed>) = 1 [pid 9388] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9389] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9388] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9389] <... openat resumed>) = 3 [pid 9389] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9388] <... futex resumed>) = 0 [pid 9389] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9388] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9388] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9389] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9389] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9388] <... futex resumed>) = 0 [pid 9388] exit_group(0 [pid 9389] <... futex resumed>) = 1 [pid 9389] +++ exited with 0 +++ [pid 9388] <... exit_group resumed>) = ? [pid 9388] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9390 attached , child_tidptr=0x555585adc6d0) = 9390 [pid 9390] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9390] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 398.562520][ T9389] loop0: detected capacity change from 0 to 512 [ 398.567154][ T9389] EXT4-fs: quotafile must be on filesystem root [pid 9390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9390] setpgid(0, 0) = 0 [pid 9390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9390] write(3, "1000", 4) = 4 [pid 9390] close(3) = 0 [pid 9390] write(1, "executing program\n", 18) = 18 executing program [pid 9390] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9390] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9390] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9390] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9390] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9391 attached [pid 9391] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9390] <... clone3 resumed> => {parent_tid=[9391]}, 88) = 9391 [pid 9391] <... rseq resumed>) = 0 [pid 9390] rt_sigprocmask(SIG_SETMASK, [] [pid 9391] set_robust_list(0x7f0c2cd339a0, 24 [pid 9390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9391] <... set_robust_list resumed>) = 0 [pid 9390] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9390] <... futex resumed>) = 0 [pid 9391] memfd_create("syzkaller", 0 [pid 9390] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9391] <... memfd_create resumed>) = 3 [pid 9391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9391] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9391] munmap(0x7f0c24913000, 138412032) = 0 [pid 9391] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9391] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9391] close(3) = 0 [pid 9391] close(4) = 0 [pid 9391] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9391] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9391] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9391] ioctl(3, LOOP_CLR_FD) = 0 [pid 9391] close(3) = 0 [pid 9391] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9391] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9390] <... futex resumed>) = 0 [pid 9390] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9391] <... futex resumed>) = 0 [pid 9390] <... futex resumed>) = 1 [pid 9391] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9391] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9390] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9391] <... futex resumed>) = 0 [pid 9390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9391] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9390] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9390] <... futex resumed>) = 0 [pid 9391] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9390] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9391] <... openat resumed>) = 3 [pid 9391] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9391] <... futex resumed>) = 0 [pid 9390] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9391] pwrite64(3, "\x02\x00", 2, 4 [pid 9390] <... futex resumed>) = 0 [pid 9391] <... pwrite64 resumed>) = 2 [pid 9390] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9391] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9390] <... futex resumed>) = 0 [pid 9391] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9390] exit_group(0 [pid 9391] <... futex resumed>) = ? [pid 9390] <... exit_group resumed>) = ? [pid 9391] +++ exited with 0 +++ [pid 9390] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 398.657323][ T9391] loop0: detected capacity change from 0 to 512 [ 398.666808][ T9391] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9392 attached , child_tidptr=0x555585adc6d0) = 9392 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9392] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9392] setpgid(0, 0) = 0 [pid 9392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9392] write(3, "1000", 4) = 4 [pid 9392] close(3) = 0 [pid 9392] write(1, "executing program\n", 18) = 18 executing program [pid 9392] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9392] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9392] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9392] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9393 attached => {parent_tid=[9393]}, 88) = 9393 [pid 9393] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9392] rt_sigprocmask(SIG_SETMASK, [] [pid 9393] <... rseq resumed>) = 0 [pid 9392] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9393] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9392] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9393] rt_sigprocmask(SIG_SETMASK, [] [pid 9392] <... futex resumed>) = 0 [pid 9393] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9392] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9393] memfd_create("syzkaller", 0) = 3 [pid 9393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9393] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9393] munmap(0x7f0c24913000, 138412032) = 0 [pid 9393] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9393] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9393] close(3) = 0 [pid 9393] close(4) = 0 [pid 9393] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9393] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9393] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9393] ioctl(3, LOOP_CLR_FD) = 0 [pid 9393] close(3) = 0 [pid 9393] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9392] <... futex resumed>) = 0 [pid 9393] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9392] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9392] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9393] <... futex resumed>) = 0 [pid 9393] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9393] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9392] <... futex resumed>) = 0 [pid 9393] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9392] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9392] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9393] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9393] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9392] <... futex resumed>) = 0 [pid 9393] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9392] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9392] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9393] <... futex resumed>) = 0 [pid 9393] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9393] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9392] <... futex resumed>) = 0 [pid 9393] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9392] exit_group(0) = ? [pid 9393] <... futex resumed>) = ? [pid 9393] +++ exited with 0 +++ [pid 9392] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9394 attached , child_tidptr=0x555585adc6d0) = 9394 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9394] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 398.780185][ T9393] loop0: detected capacity change from 0 to 512 [ 398.788250][ T9393] EXT4-fs: quotafile must be on filesystem root [pid 9394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9394] setpgid(0, 0) = 0 [pid 9394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9394] write(3, "1000", 4) = 4 [pid 9394] close(3) = 0 [pid 9394] write(1, "executing program\n", 18) = 18 executing program [pid 9394] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9394] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9394] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9394] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9395 attached [pid 9395] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9394] <... clone3 resumed> => {parent_tid=[9395]}, 88) = 9395 [pid 9395] set_robust_list(0x7f0c2cd339a0, 24 [pid 9394] rt_sigprocmask(SIG_SETMASK, [] [pid 9395] <... set_robust_list resumed>) = 0 [pid 9394] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9395] rt_sigprocmask(SIG_SETMASK, [] [pid 9394] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9395] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9395] memfd_create("syzkaller", 0 [pid 9394] <... futex resumed>) = 0 [pid 9394] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9395] <... memfd_create resumed>) = 3 [pid 9395] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9395] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9395] munmap(0x7f0c24913000, 138412032) = 0 [pid 9395] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9395] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9395] close(3) = 0 [pid 9395] close(4) = 0 [pid 9395] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9395] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9395] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9395] ioctl(3, LOOP_CLR_FD) = 0 [pid 9395] close(3) = 0 [pid 9395] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9394] <... futex resumed>) = 0 [pid 9395] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9394] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9394] <... futex resumed>) = 0 [pid 9395] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9394] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9395] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9395] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9394] <... futex resumed>) = 0 [pid 9395] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9394] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9394] <... futex resumed>) = 0 [pid 9395] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9394] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9395] <... openat resumed>) = 3 [pid 9395] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9394] <... futex resumed>) = 0 [pid 9395] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9394] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9394] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9395] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9395] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9394] <... futex resumed>) = 0 [pid 9395] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9394] exit_group(0 [pid 9395] <... futex resumed>) = ? [pid 9394] <... exit_group resumed>) = ? [pid 9395] +++ exited with 0 +++ [pid 9394] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9394, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 398.881570][ T9395] loop0: detected capacity change from 0 to 512 [ 398.896843][ T9395] EXT4-fs: quotafile must be on filesystem root ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9396 attached , child_tidptr=0x555585adc6d0) = 9396 [pid 9396] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9396] setpgid(0, 0) = 0 [pid 9396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9396] write(3, "1000", 4) = 4 [pid 9396] close(3) = 0 executing program [pid 9396] write(1, "executing program\n", 18) = 18 [pid 9396] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9396] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9396] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9396] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9397]}, 88) = 9397 ci2-upstream-fs/strace-static-x86_64: Process 9397 attached [pid 9396] rt_sigprocmask(SIG_SETMASK, [] [pid 9397] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9396] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9396] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9397] <... rseq resumed>) = 0 [pid 9396] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9397] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9397] memfd_create("syzkaller", 0) = 3 [pid 9397] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9397] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9397] munmap(0x7f0c24913000, 138412032) = 0 [pid 9397] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9397] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9397] close(3) = 0 [pid 9397] close(4) = 0 [pid 9397] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9397] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9397] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9397] ioctl(3, LOOP_CLR_FD) = 0 [pid 9397] close(3) = 0 [pid 9397] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9396] <... futex resumed>) = 0 [pid 9397] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9396] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9397] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9396] <... futex resumed>) = 0 [pid 9397] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9396] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9397] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9396] <... futex resumed>) = 0 [pid 9397] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9396] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9397] <... openat resumed>) = 3 [pid 9396] <... futex resumed>) = 0 [pid 9396] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9397] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9396] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9397] <... futex resumed>) = 0 [pid 9396] <... futex resumed>) = 0 [pid 9397] pwrite64(3, "\x02\x00", 2, 4 [pid 9396] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9397] <... pwrite64 resumed>) = 2 [pid 9397] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9396] <... futex resumed>) = 0 [pid 9396] exit_group(0 [pid 9397] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9396] <... exit_group resumed>) = ? [pid 9397] +++ exited with 0 +++ [pid 9396] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 399.012896][ T9397] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9398 attached [pid 9398] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9398 [pid 9398] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9398] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9398] setpgid(0, 0) = 0 [pid 9398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9398] write(3, "1000", 4) = 4 [pid 9398] close(3) = 0 [pid 9398] write(1, "executing program\n", 18) = 18 executing program [pid 9398] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9398] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9398] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9398] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9399 attached [pid 9399] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9398] <... clone3 resumed> => {parent_tid=[9399]}, 88) = 9399 [pid 9398] rt_sigprocmask(SIG_SETMASK, [] [pid 9399] <... rseq resumed>) = 0 [pid 9398] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9399] set_robust_list(0x7f0c2cd339a0, 24 [pid 9398] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9399] <... set_robust_list resumed>) = 0 [pid 9399] rt_sigprocmask(SIG_SETMASK, [] [pid 9398] <... futex resumed>) = 0 [pid 9399] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9398] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9399] memfd_create("syzkaller", 0) = 3 [pid 9399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9399] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9399] munmap(0x7f0c24913000, 138412032) = 0 [pid 9399] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9399] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9399] close(3) = 0 [pid 9399] close(4) = 0 [pid 9399] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9399] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9399] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9399] ioctl(3, LOOP_CLR_FD) = 0 [pid 9399] close(3) = 0 [pid 9399] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9398] <... futex resumed>) = 0 [pid 9399] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9398] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9398] <... futex resumed>) = 0 [pid 9399] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9398] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9399] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9399] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9398] <... futex resumed>) = 0 [pid 9399] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9398] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9398] <... futex resumed>) = 0 [pid 9399] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9398] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9399] <... openat resumed>) = 3 [pid 9399] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9398] <... futex resumed>) = 0 [pid 9398] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9399] pwrite64(3, "\x02\x00", 2, 4 [pid 9398] <... futex resumed>) = 0 [pid 9399] <... pwrite64 resumed>) = 2 [pid 9398] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9399] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9399] <... futex resumed>) = 0 [pid 9399] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9398] exit_group(0 [pid 9399] <... futex resumed>) = ? [pid 9398] <... exit_group resumed>) = ? [pid 9399] +++ exited with 0 +++ [pid 9398] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9398, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9400 attached , child_tidptr=0x555585adc6d0) = 9400 [pid 9400] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9400] <... set_robust_list resumed>) = 0 [pid 9400] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9400] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9400] setpgid(0, 0) = 0 [ 399.171835][ T9399] EXT4-fs: quotafile must be on filesystem root [pid 9400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9400] write(3, "1000", 4) = 4 [pid 9400] close(3) = 0 executing program [pid 9400] write(1, "executing program\n", 18) = 18 [pid 9400] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9400] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9400] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9400] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9400] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9401 attached => {parent_tid=[9401]}, 88) = 9401 [pid 9401] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9400] rt_sigprocmask(SIG_SETMASK, [] [pid 9401] <... rseq resumed>) = 0 [pid 9400] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9401] set_robust_list(0x7f0c2cd339a0, 24 [pid 9400] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9401] <... set_robust_list resumed>) = 0 [pid 9400] <... futex resumed>) = 0 [pid 9401] rt_sigprocmask(SIG_SETMASK, [] [pid 9400] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9401] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9401] memfd_create("syzkaller", 0) = 3 [pid 9401] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9401] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9401] munmap(0x7f0c24913000, 138412032) = 0 [pid 9401] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9401] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9401] close(3) = 0 [pid 9401] close(4) = 0 [pid 9401] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9401] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9401] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9401] ioctl(3, LOOP_CLR_FD) = 0 [pid 9401] close(3) = 0 [pid 9401] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9400] <... futex resumed>) = 0 [pid 9401] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9400] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9401] <... futex resumed>) = 0 [pid 9400] <... futex resumed>) = 1 [pid 9400] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9401] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9401] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9400] <... futex resumed>) = 0 [pid 9400] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9401] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9400] <... futex resumed>) = 0 [pid 9400] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9401] <... openat resumed>) = 3 [pid 9401] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9400] <... futex resumed>) = 0 [pid 9400] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9401] pwrite64(3, "\x02\x00", 2, 4 [pid 9400] <... futex resumed>) = 0 [pid 9401] <... pwrite64 resumed>) = 2 [pid 9400] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9401] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9400] <... futex resumed>) = 0 [pid 9400] exit_group(0 [pid 9401] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9400] <... exit_group resumed>) = ? [pid 9401] +++ exited with 0 +++ [pid 9400] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9402 attached , child_tidptr=0x555585adc6d0) = 9402 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9402] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9402] <... set_robust_list resumed>) = 0 [pid 9402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9402] setpgid(0, 0) = 0 [pid 9402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9402] write(3, "1000", 4) = 4 [pid 9402] close(3) = 0 [pid 9402] write(1, "executing program\n", 18) = 18 [pid 9402] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9402] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9402] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [ 399.264600][ T9401] EXT4-fs: quotafile must be on filesystem root [pid 9402] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9403 attached [pid 9403] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9403] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9402] <... clone3 resumed> => {parent_tid=[9403]}, 88) = 9403 [pid 9403] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9402] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9403] <... futex resumed>) = 0 [pid 9402] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9403] memfd_create("syzkaller", 0) = 3 [pid 9403] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9403] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9403] munmap(0x7f0c24913000, 138412032) = 0 [pid 9403] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9403] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9403] close(3) = 0 [pid 9403] close(4) = 0 [pid 9403] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9403] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9403] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9403] ioctl(3, LOOP_CLR_FD) = 0 [pid 9403] close(3) = 0 [pid 9403] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9402] <... futex resumed>) = 0 [pid 9403] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9402] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9402] <... futex resumed>) = 0 [pid 9403] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9402] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9403] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9403] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9402] <... futex resumed>) = 0 [pid 9403] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9402] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9402] <... futex resumed>) = 0 [pid 9403] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9402] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9403] <... openat resumed>) = 3 [pid 9403] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9402] <... futex resumed>) = 0 [pid 9402] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9403] pwrite64(3, "\x02\x00", 2, 4 [pid 9402] <... futex resumed>) = 0 [pid 9402] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9403] <... pwrite64 resumed>) = 2 [pid 9403] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9402] <... futex resumed>) = 0 [pid 9403] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9402] exit_group(0) = ? [pid 9403] <... futex resumed>) = ? [pid 9403] +++ exited with 0 +++ [pid 9402] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9402, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9404 attached , child_tidptr=0x555585adc6d0) = 9404 [ 399.361319][ T9403] EXT4-fs: quotafile must be on filesystem root [pid 9404] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9404] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9404] setpgid(0, 0) = 0 [pid 9404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9404] write(3, "1000", 4) = 4 [pid 9404] close(3) = 0 [pid 9404] write(1, "executing program\n", 18) = 18 executing program [pid 9404] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9404] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9404] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9404] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9404] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9405 attached [pid 9405] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9404] <... clone3 resumed> => {parent_tid=[9405]}, 88) = 9405 [pid 9405] <... rseq resumed>) = 0 [pid 9404] rt_sigprocmask(SIG_SETMASK, [] [pid 9405] set_robust_list(0x7f0c2cd339a0, 24 [pid 9404] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9405] <... set_robust_list resumed>) = 0 [pid 9404] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9404] <... futex resumed>) = 0 [pid 9405] memfd_create("syzkaller", 0 [pid 9404] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9405] <... memfd_create resumed>) = 3 [pid 9405] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9405] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9405] munmap(0x7f0c24913000, 138412032) = 0 [pid 9405] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9405] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9405] close(3) = 0 [pid 9405] close(4) = 0 [pid 9405] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9405] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9405] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9405] ioctl(3, LOOP_CLR_FD) = 0 [pid 9405] close(3) = 0 [pid 9405] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9404] <... futex resumed>) = 0 [pid 9405] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9404] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9404] <... futex resumed>) = 0 [pid 9405] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9404] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9405] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9405] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9404] <... futex resumed>) = 0 [pid 9405] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9404] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9405] <... futex resumed>) = 0 [pid 9405] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9405] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9404] <... futex resumed>) = 1 [pid 9405] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9404] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9404] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9405] <... futex resumed>) = 0 [pid 9404] <... futex resumed>) = 1 [pid 9405] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9404] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9405] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9404] <... futex resumed>) = 0 [pid 9405] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9404] exit_group(0 [pid 9405] <... futex resumed>) = ? [pid 9404] <... exit_group resumed>) = ? [pid 9405] +++ exited with 0 +++ [pid 9404] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9404, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9406 attached , child_tidptr=0x555585adc6d0) = 9406 [pid 9406] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9406] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 399.467453][ T9405] EXT4-fs: quotafile must be on filesystem root [pid 9406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9406] setpgid(0, 0) = 0 [pid 9406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9406] write(3, "1000", 4) = 4 [pid 9406] close(3) = 0 [pid 9406] write(1, "executing program\n", 18) = 18 [pid 9406] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9406] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9406] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9406] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9406] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9406] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9407 attached [pid 9407] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9406] <... clone3 resumed> => {parent_tid=[9407]}, 88) = 9407 [pid 9407] <... rseq resumed>) = 0 [pid 9407] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9407] rt_sigprocmask(SIG_SETMASK, [] [pid 9406] rt_sigprocmask(SIG_SETMASK, [] [pid 9407] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9406] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9407] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9406] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9406] <... futex resumed>) = 0 [pid 9407] memfd_create("syzkaller", 0 [pid 9406] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9407] <... memfd_create resumed>) = 3 [pid 9407] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9407] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9407] munmap(0x7f0c24913000, 138412032) = 0 [pid 9407] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9407] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9407] close(3) = 0 [pid 9407] close(4) = 0 [pid 9407] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9407] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9407] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9407] ioctl(3, LOOP_CLR_FD) = 0 [pid 9407] close(3) = 0 [pid 9407] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9406] <... futex resumed>) = 0 [pid 9407] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9406] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9407] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9406] <... futex resumed>) = 0 [pid 9406] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9407] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9407] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9406] <... futex resumed>) = 0 [pid 9407] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9406] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9407] <... futex resumed>) = 0 [pid 9406] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9407] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9407] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9406] <... futex resumed>) = 0 [pid 9406] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9407] <... futex resumed>) = 1 [pid 9406] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9407] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9407] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9406] <... futex resumed>) = 0 [pid 9406] exit_group(0) = ? [pid 9407] +++ exited with 0 +++ [ 399.578962][ T9407] EXT4-fs: quotafile must be on filesystem root [pid 9406] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9408 attached , child_tidptr=0x555585adc6d0) = 9408 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9408] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9408] setpgid(0, 0) = 0 [pid 9408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9408] write(3, "1000", 4) = 4 [pid 9408] close(3) = 0 [pid 9408] write(1, "executing program\n", 18) = 18 executing program [pid 9408] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9408] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9408] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9408] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9408] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9409 attached [pid 9409] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9409] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9408] <... clone3 resumed> => {parent_tid=[9409]}, 88) = 9409 [pid 9408] rt_sigprocmask(SIG_SETMASK, [] [pid 9409] rt_sigprocmask(SIG_SETMASK, [] [pid 9408] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9409] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9408] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9408] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9409] memfd_create("syzkaller", 0) = 3 [pid 9409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9409] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9409] munmap(0x7f0c24913000, 138412032) = 0 [pid 9409] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9409] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9409] close(3) = 0 [pid 9409] close(4) = 0 [pid 9409] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9409] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9409] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9409] ioctl(3, LOOP_CLR_FD) = 0 [pid 9409] close(3) = 0 [pid 9409] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9408] <... futex resumed>) = 0 [pid 9409] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9408] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9408] <... futex resumed>) = 0 [pid 9409] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9408] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9409] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9409] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9408] <... futex resumed>) = 0 [pid 9409] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9408] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9408] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9409] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9409] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9408] <... futex resumed>) = 0 [pid 9409] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9408] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9408] <... futex resumed>) = 0 [pid 9409] pwrite64(3, "\x02\x00", 2, 4 [pid 9408] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9409] <... pwrite64 resumed>) = 2 [pid 9409] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9408] <... futex resumed>) = 0 [pid 9409] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9408] exit_group(0 [pid 9409] <... futex resumed>) = ? [pid 9408] <... exit_group resumed>) = ? [pid 9409] +++ exited with 0 +++ [ 399.717765][ T9409] EXT4-fs: quotafile must be on filesystem root [pid 9408] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9408, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9410 attached , child_tidptr=0x555585adc6d0) = 9410 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9410] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9410] <... set_robust_list resumed>) = 0 [pid 9410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9410] setpgid(0, 0) = 0 [pid 9410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9410] write(3, "1000", 4) = 4 [pid 9410] close(3) = 0 [pid 9410] write(1, "executing program\n", 18) = 18 executing program [pid 9410] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9410] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9410] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9410] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9411 attached [pid 9411] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9410] <... clone3 resumed> => {parent_tid=[9411]}, 88) = 9411 [pid 9411] <... rseq resumed>) = 0 [pid 9410] rt_sigprocmask(SIG_SETMASK, [] [pid 9411] set_robust_list(0x7f0c2cd339a0, 24 [pid 9410] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9411] <... set_robust_list resumed>) = 0 [pid 9410] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9411] rt_sigprocmask(SIG_SETMASK, [] [pid 9410] <... futex resumed>) = 0 [pid 9410] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9411] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9411] memfd_create("syzkaller", 0) = 3 [pid 9411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9411] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9411] munmap(0x7f0c24913000, 138412032) = 0 [pid 9411] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9411] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9411] close(3) = 0 [pid 9411] close(4) = 0 [pid 9411] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9411] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9411] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9411] ioctl(3, LOOP_CLR_FD) = 0 [pid 9411] close(3) = 0 [pid 9411] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9410] <... futex resumed>) = 0 [pid 9411] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9410] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9410] <... futex resumed>) = 0 [pid 9411] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9410] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9411] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9411] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9410] <... futex resumed>) = 0 [pid 9411] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9410] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9410] <... futex resumed>) = 0 [pid 9411] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9410] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9411] <... openat resumed>) = 3 [pid 9411] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9410] <... futex resumed>) = 0 [pid 9411] pwrite64(3, "\x02\x00", 2, 4 [pid 9410] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9411] <... pwrite64 resumed>) = 2 [pid 9410] <... futex resumed>) = 0 [pid 9411] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9410] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9411] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9410] exit_group(0) = ? [pid 9411] <... futex resumed>) = ? [pid 9411] +++ exited with 0 +++ [pid 9410] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 399.869333][ T9411] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9412 attached , child_tidptr=0x555585adc6d0) = 9412 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9412] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9412] <... set_robust_list resumed>) = 0 [pid 9412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9412] setpgid(0, 0) = 0 [pid 9412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9412] write(3, "1000", 4) = 4 [pid 9412] close(3) = 0 executing program [pid 9412] write(1, "executing program\n", 18) = 18 [pid 9412] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9412] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9412] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9412] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9412] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9413 attached [pid 9413] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9412] <... clone3 resumed> => {parent_tid=[9413]}, 88) = 9413 [pid 9413] set_robust_list(0x7f0c2cd339a0, 24 [pid 9412] rt_sigprocmask(SIG_SETMASK, [] [pid 9413] <... set_robust_list resumed>) = 0 [pid 9412] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9413] rt_sigprocmask(SIG_SETMASK, [] [pid 9412] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9413] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9413] memfd_create("syzkaller", 0 [pid 9412] <... futex resumed>) = 0 [pid 9412] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9413] <... memfd_create resumed>) = 3 [pid 9413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9413] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9413] munmap(0x7f0c24913000, 138412032) = 0 [pid 9413] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9413] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9413] close(3) = 0 [pid 9413] close(4) = 0 [pid 9413] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9413] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9413] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9413] ioctl(3, LOOP_CLR_FD) = 0 [pid 9413] close(3) = 0 [pid 9413] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9412] <... futex resumed>) = 0 [pid 9413] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9412] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9412] <... futex resumed>) = 0 [pid 9413] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9412] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9413] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9413] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9413] <... futex resumed>) = 0 [pid 9413] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9412] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9413] <... futex resumed>) = 0 [pid 9413] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9412] <... futex resumed>) = 1 [pid 9412] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9413] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9412] <... futex resumed>) = 0 [pid 9412] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9413] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9412] <... futex resumed>) = 0 [pid 9412] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9413] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9412] <... futex resumed>) = 0 [pid 9413] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9412] exit_group(0) = ? [pid 9413] <... futex resumed>) = ? [pid 9413] +++ exited with 0 +++ [pid 9412] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9412, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 400.005782][ T9413] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9414 attached [pid 9414] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9414 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9414] <... set_robust_list resumed>) = 0 [pid 9414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9414] setpgid(0, 0) = 0 [pid 9414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9414] write(3, "1000", 4) = 4 [pid 9414] close(3) = 0 [pid 9414] write(1, "executing program\n", 18) = 18 executing program [pid 9414] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9414] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9414] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9414] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9414] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9414] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9415 attached => {parent_tid=[9415]}, 88) = 9415 [pid 9414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9414] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9415] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9414] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9415] <... rseq resumed>) = 0 [pid 9415] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9415] memfd_create("syzkaller", 0) = 3 [pid 9415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9415] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9415] munmap(0x7f0c24913000, 138412032) = 0 [pid 9415] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9415] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9415] close(3) = 0 [pid 9415] close(4) = 0 [pid 9415] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9415] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9415] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9415] ioctl(3, LOOP_CLR_FD) = 0 [pid 9415] close(3) = 0 [pid 9415] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9414] <... futex resumed>) = 0 [pid 9415] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9414] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9415] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9414] <... futex resumed>) = 0 [pid 9414] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9415] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9414] <... futex resumed>) = 0 [pid 9415] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9414] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9414] <... futex resumed>) = 0 [pid 9415] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9414] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9415] <... openat resumed>) = 3 [pid 9415] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9414] <... futex resumed>) = 0 [pid 9414] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9415] pwrite64(3, "\x02\x00", 2, 4 [pid 9414] <... futex resumed>) = 0 [pid 9415] <... pwrite64 resumed>) = 2 [pid 9414] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9415] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9414] <... futex resumed>) = 0 [pid 9415] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9414] exit_group(0 [pid 9415] <... futex resumed>) = ? [pid 9415] +++ exited with 0 +++ [pid 9414] <... exit_group resumed>) = ? [pid 9414] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9414, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 400.137147][ T9415] EXT4-fs: quotafile must be on filesystem root ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9416 attached , child_tidptr=0x555585adc6d0) = 9416 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9416] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9416] <... set_robust_list resumed>) = 0 [pid 9416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9416] setpgid(0, 0) = 0 [pid 9416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9416] write(3, "1000", 4) = 4 [pid 9416] close(3) = 0 [pid 9416] write(1, "executing program\n", 18) = 18 executing program [pid 9416] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9416] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9416] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9416] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9417]}, 88) = 9417 ci2-upstream-fs/strace-static-x86_64: Process 9417 attached [pid 9416] rt_sigprocmask(SIG_SETMASK, [] [pid 9417] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9416] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9417] <... rseq resumed>) = 0 [pid 9416] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9417] set_robust_list(0x7f0c2cd339a0, 24 [pid 9416] <... futex resumed>) = 0 [pid 9417] <... set_robust_list resumed>) = 0 [pid 9416] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9417] memfd_create("syzkaller", 0) = 3 [pid 9417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9417] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9417] munmap(0x7f0c24913000, 138412032) = 0 [pid 9417] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9417] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9417] close(3) = 0 [pid 9417] close(4) = 0 [pid 9417] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9417] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9417] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9417] ioctl(3, LOOP_CLR_FD) = 0 [pid 9417] close(3) = 0 [pid 9417] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9416] <... futex resumed>) = 0 [pid 9416] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9416] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9417] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9417] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9416] <... futex resumed>) = 0 [pid 9417] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9416] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9417] <... futex resumed>) = 0 [pid 9416] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9417] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9417] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9416] <... futex resumed>) = 0 [pid 9417] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9416] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9416] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9417] <... futex resumed>) = 0 [pid 9417] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9417] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9416] <... futex resumed>) = 0 [pid 9416] exit_group(0) = ? [pid 9417] +++ exited with 0 +++ [pid 9416] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9416, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9418 attached [ 400.243668][ T9417] EXT4-fs: quotafile must be on filesystem root [pid 9418] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9418 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9418] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9418] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9418] setpgid(0, 0) = 0 [pid 9418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9418] write(3, "1000", 4) = 4 [pid 9418] close(3) = 0 [pid 9418] write(1, "executing program\n", 18) = 18 [pid 9418] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9418] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 executing program [pid 9418] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9418] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9419 attached => {parent_tid=[9419]}, 88) = 9419 [pid 9419] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9418] rt_sigprocmask(SIG_SETMASK, [] [pid 9419] set_robust_list(0x7f0c2cd339a0, 24 [pid 9418] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9419] <... set_robust_list resumed>) = 0 [pid 9418] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9419] rt_sigprocmask(SIG_SETMASK, [] [pid 9418] <... futex resumed>) = 0 [pid 9419] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9418] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9419] memfd_create("syzkaller", 0) = 3 [pid 9419] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9419] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9419] munmap(0x7f0c24913000, 138412032) = 0 [pid 9419] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9419] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9419] close(3) = 0 [pid 9419] close(4) = 0 [pid 9419] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9419] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9419] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9419] ioctl(3, LOOP_CLR_FD) = 0 [pid 9419] close(3) = 0 [pid 9419] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9418] <... futex resumed>) = 0 [pid 9419] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9418] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9419] <... futex resumed>) = 0 [pid 9419] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9418] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9419] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9419] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9418] <... futex resumed>) = 0 [pid 9419] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9418] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9419] <... futex resumed>) = 0 [pid 9418] <... futex resumed>) = 1 [pid 9419] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9418] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9419] <... openat resumed>) = 3 [pid 9419] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9418] <... futex resumed>) = 0 [pid 9418] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9418] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9419] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9419] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9418] <... futex resumed>) = 0 [pid 9419] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9418] exit_group(0 [pid 9419] <... futex resumed>) = ? [pid 9418] <... exit_group resumed>) = ? [pid 9419] +++ exited with 0 +++ [pid 9418] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 400.370260][ T9419] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9420 attached [pid 9420] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9420] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9420 [pid 9420] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9420] setpgid(0, 0) = 0 [pid 9420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9420] write(3, "1000", 4) = 4 [pid 9420] close(3) = 0 [pid 9420] write(1, "executing program\n", 18) = 18 executing program [pid 9420] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9420] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9420] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9420] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9420] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9421 attached [pid 9421] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9420] <... clone3 resumed> => {parent_tid=[9421]}, 88) = 9421 [pid 9421] <... rseq resumed>) = 0 [pid 9421] set_robust_list(0x7f0c2cd339a0, 24 [pid 9420] rt_sigprocmask(SIG_SETMASK, [] [pid 9421] <... set_robust_list resumed>) = 0 [pid 9420] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9421] rt_sigprocmask(SIG_SETMASK, [] [pid 9420] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9421] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9420] <... futex resumed>) = 0 [pid 9421] memfd_create("syzkaller", 0 [pid 9420] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9421] <... memfd_create resumed>) = 3 [pid 9421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9421] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9421] munmap(0x7f0c24913000, 138412032) = 0 [pid 9421] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9421] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9421] close(3) = 0 [pid 9421] close(4) = 0 [pid 9421] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9421] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9421] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9421] ioctl(3, LOOP_CLR_FD) = 0 [pid 9421] close(3) = 0 [pid 9421] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9420] <... futex resumed>) = 0 [pid 9421] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9420] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9421] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9420] <... futex resumed>) = 0 [pid 9421] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9420] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9421] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9420] <... futex resumed>) = 0 [pid 9421] <... futex resumed>) = 1 [pid 9420] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9421] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9420] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9421] <... openat resumed>) = 3 [pid 9421] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9420] <... futex resumed>) = 0 [pid 9420] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9421] <... futex resumed>) = 1 [pid 9420] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9421] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9421] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9420] <... futex resumed>) = 0 [pid 9420] exit_group(0 [pid 9421] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9420] <... exit_group resumed>) = ? [pid 9421] <... futex resumed>) = ? [pid 9421] +++ exited with 0 +++ [pid 9420] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9420, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9422 attached [ 400.530810][ T9421] EXT4-fs: quotafile must be on filesystem root [pid 9422] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9422 [pid 9422] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9422] setpgid(0, 0) = 0 [pid 9422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9422] write(3, "1000", 4) = 4 [pid 9422] close(3) = 0 executing program [pid 9422] write(1, "executing program\n", 18) = 18 [pid 9422] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9422] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9422] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9422] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9423 attached [pid 9423] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9422] <... clone3 resumed> => {parent_tid=[9423]}, 88) = 9423 [pid 9423] <... rseq resumed>) = 0 [pid 9422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9423] set_robust_list(0x7f0c2cd339a0, 24 [pid 9422] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9423] <... set_robust_list resumed>) = 0 [pid 9422] <... futex resumed>) = 0 [pid 9423] rt_sigprocmask(SIG_SETMASK, [] [pid 9422] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9423] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9423] memfd_create("syzkaller", 0) = 3 [pid 9423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9423] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9423] munmap(0x7f0c24913000, 138412032) = 0 [pid 9423] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9423] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9423] close(3) = 0 [pid 9423] close(4) = 0 [pid 9423] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9423] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9423] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9423] ioctl(3, LOOP_CLR_FD) = 0 [pid 9423] close(3) = 0 [pid 9423] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9422] <... futex resumed>) = 0 [pid 9423] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9422] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9423] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9422] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9423] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9423] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9422] <... futex resumed>) = 0 [pid 9423] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9422] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9423] <... futex resumed>) = 0 [pid 9422] <... futex resumed>) = 1 [pid 9422] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9423] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9423] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9422] <... futex resumed>) = 0 [pid 9423] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9422] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9423] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9423] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9422] <... futex resumed>) = 0 [pid 9423] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9422] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9422] exit_group(0 [pid 9423] <... futex resumed>) = ? [pid 9422] <... exit_group resumed>) = ? [pid 9423] +++ exited with 0 +++ [pid 9422] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9422, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 400.663789][ T9423] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9424 attached , child_tidptr=0x555585adc6d0) = 9424 [pid 9424] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9424] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9424] setpgid(0, 0) = 0 [pid 9424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9424] write(3, "1000", 4) = 4 [pid 9424] close(3) = 0 executing program [pid 9424] write(1, "executing program\n", 18) = 18 [pid 9424] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9424] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9424] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9424] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9425]}, 88) = 9425 ci2-upstream-fs/strace-static-x86_64: Process 9425 attached [pid 9424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9425] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9424] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9424] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9425] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9425] memfd_create("syzkaller", 0) = 3 [pid 9425] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9425] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9425] munmap(0x7f0c24913000, 138412032) = 0 [pid 9425] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9425] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9425] close(3) = 0 [pid 9425] close(4) = 0 [pid 9425] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9425] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9425] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9425] ioctl(3, LOOP_CLR_FD) = 0 [pid 9425] close(3) = 0 [pid 9425] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9424] <... futex resumed>) = 0 [pid 9424] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9424] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9425] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9425] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9424] <... futex resumed>) = 0 [pid 9424] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9424] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9425] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9425] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9424] <... futex resumed>) = 0 [pid 9425] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9424] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9425] <... futex resumed>) = 0 [pid 9424] <... futex resumed>) = 1 [pid 9424] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9425] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9425] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9425] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9424] <... futex resumed>) = 0 [pid 9424] exit_group(0 [pid 9425] <... futex resumed>) = ? [pid 9424] <... exit_group resumed>) = ? [pid 9425] +++ exited with 0 +++ [pid 9424] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9424, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9426 attached [ 400.780482][ T9425] EXT4-fs: quotafile must be on filesystem root [pid 9426] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9426 [pid 9426] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9426] setpgid(0, 0) = 0 [pid 9426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9426] <... openat resumed>) = 3 [pid 9426] write(3, "1000", 4) = 4 [pid 9426] close(3) = 0 [pid 9426] write(1, "executing program\n", 18) = 18 [pid 9426] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9426] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 executing program [pid 9426] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9426] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9426] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9426] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9427 attached [pid 9427] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9426] <... clone3 resumed> => {parent_tid=[9427]}, 88) = 9427 [pid 9427] set_robust_list(0x7f0c2cd339a0, 24 [pid 9426] rt_sigprocmask(SIG_SETMASK, [] [pid 9427] <... set_robust_list resumed>) = 0 [pid 9426] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9427] rt_sigprocmask(SIG_SETMASK, [] [pid 9426] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9427] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9426] <... futex resumed>) = 0 [pid 9427] memfd_create("syzkaller", 0 [pid 9426] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9427] <... memfd_create resumed>) = 3 [pid 9427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9427] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9427] munmap(0x7f0c24913000, 138412032) = 0 [pid 9427] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9427] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9427] close(3) = 0 [pid 9427] close(4) = 0 [pid 9427] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9427] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9427] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9427] ioctl(3, LOOP_CLR_FD) = 0 [pid 9427] close(3) = 0 [pid 9427] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9426] <... futex resumed>) = 0 [pid 9426] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9427] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9426] <... futex resumed>) = 0 [pid 9427] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9426] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9427] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9426] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9427] <... futex resumed>) = 0 [pid 9426] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9427] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9427] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9426] <... futex resumed>) = 0 [pid 9427] <... futex resumed>) = 1 [pid 9426] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9427] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9426] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9427] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9426] <... futex resumed>) = 0 [pid 9426] exit_group(0 [pid 9427] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9426] <... exit_group resumed>) = ? [pid 9427] +++ exited with 0 +++ [pid 9426] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9426, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [ 400.888268][ T9427] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9428 attached , child_tidptr=0x555585adc6d0) = 9428 [pid 9428] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9428] <... set_robust_list resumed>) = 0 [pid 9428] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9428] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9428] setpgid(0, 0) = 0 [pid 9428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9428] write(3, "1000", 4) = 4 [pid 9428] close(3) = 0 [pid 9428] write(1, "executing program\n", 18) = 18 executing program [pid 9428] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9428] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9428] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9428] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9429 attached [pid 9429] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9428] <... clone3 resumed> => {parent_tid=[9429]}, 88) = 9429 [pid 9429] <... rseq resumed>) = 0 [pid 9429] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9428] rt_sigprocmask(SIG_SETMASK, [] [pid 9429] rt_sigprocmask(SIG_SETMASK, [] [pid 9428] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9429] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9428] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9429] memfd_create("syzkaller", 0 [pid 9428] <... futex resumed>) = 0 [pid 9428] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9429] <... memfd_create resumed>) = 3 [pid 9429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9429] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9429] munmap(0x7f0c24913000, 138412032) = 0 [pid 9429] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9429] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9429] close(3) = 0 [pid 9429] close(4) = 0 [pid 9429] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9429] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9429] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9429] ioctl(3, LOOP_CLR_FD) = 0 [pid 9429] close(3) = 0 [pid 9429] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9428] <... futex resumed>) = 0 [pid 9429] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9428] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9428] <... futex resumed>) = 0 [pid 9429] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9428] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9429] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9429] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9428] <... futex resumed>) = 0 [pid 9428] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9429] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9428] <... futex resumed>) = 0 [pid 9429] <... openat resumed>) = 3 [pid 9428] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9429] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9428] <... futex resumed>) = 0 [pid 9429] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9428] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9428] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9429] <... futex resumed>) = 0 [pid 9429] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9429] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9428] <... futex resumed>) = 0 [pid 9429] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9428] exit_group(0) = ? [pid 9429] <... futex resumed>) = ? [pid 9429] +++ exited with 0 +++ [pid 9428] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9428, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 401.033442][ T9429] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9430 attached , child_tidptr=0x555585adc6d0) = 9430 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9430] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9430] <... set_robust_list resumed>) = 0 [pid 9430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9430] setpgid(0, 0) = 0 [pid 9430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9430] write(3, "1000", 4) = 4 [pid 9430] close(3) = 0 [pid 9430] write(1, "executing program\n", 18) = 18 [pid 9430] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9430] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9430] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 executing program [pid 9430] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9430] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9431 attached [pid 9431] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9430] <... clone3 resumed> => {parent_tid=[9431]}, 88) = 9431 [pid 9431] set_robust_list(0x7f0c2cd339a0, 24 [pid 9430] rt_sigprocmask(SIG_SETMASK, [] [pid 9431] <... set_robust_list resumed>) = 0 [pid 9430] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9431] rt_sigprocmask(SIG_SETMASK, [] [pid 9430] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9431] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9431] memfd_create("syzkaller", 0 [pid 9430] <... futex resumed>) = 0 [pid 9430] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9431] <... memfd_create resumed>) = 3 [pid 9431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9431] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9431] munmap(0x7f0c24913000, 138412032) = 0 [pid 9431] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9431] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9431] close(3) = 0 [pid 9431] close(4) = 0 [pid 9431] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9431] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9431] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9431] ioctl(3, LOOP_CLR_FD) = 0 [pid 9431] close(3) = 0 [pid 9431] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9430] <... futex resumed>) = 0 [pid 9431] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9430] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9431] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9430] <... futex resumed>) = 0 [pid 9431] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9430] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9431] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9430] <... futex resumed>) = 0 [pid 9430] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9431] <... futex resumed>) = 1 [pid 9430] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9431] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9431] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9430] <... futex resumed>) = 0 [pid 9431] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9430] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9431] <... futex resumed>) = 0 [pid 9430] <... futex resumed>) = 1 [pid 9431] pwrite64(3, "\x02\x00", 2, 4 [pid 9430] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9431] <... pwrite64 resumed>) = 2 [pid 9431] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9430] <... futex resumed>) = 0 [pid 9431] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9430] exit_group(0 [pid 9431] <... futex resumed>) = ? [pid 9430] <... exit_group resumed>) = ? [pid 9431] +++ exited with 0 +++ [pid 9430] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 401.168259][ T9431] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9432 ci2-upstream-fs/strace-static-x86_64: Process 9432 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9432] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9432] setpgid(0, 0) = 0 [pid 9432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9432] write(3, "1000", 4) = 4 [pid 9432] close(3) = 0 executing program [pid 9432] write(1, "executing program\n", 18) = 18 [pid 9432] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9432] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9432] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9432] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9432] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9433 attached [pid 9433] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9432] <... clone3 resumed> => {parent_tid=[9433]}, 88) = 9433 [pid 9433] <... rseq resumed>) = 0 [pid 9432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9433] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9432] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9433] memfd_create("syzkaller", 0 [pid 9432] <... futex resumed>) = 0 [pid 9433] <... memfd_create resumed>) = 3 [pid 9432] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9433] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9433] munmap(0x7f0c24913000, 138412032) = 0 [pid 9433] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9433] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9433] close(3) = 0 [pid 9433] close(4) = 0 [pid 9433] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9433] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9433] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9433] ioctl(3, LOOP_CLR_FD) = 0 [pid 9433] close(3) = 0 [pid 9433] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9432] <... futex resumed>) = 0 [pid 9432] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9433] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9432] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9433] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9433] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9432] <... futex resumed>) = 0 [pid 9432] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9433] <... futex resumed>) = 1 [pid 9432] <... futex resumed>) = 0 [pid 9432] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9433] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9433] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9432] <... futex resumed>) = 0 [pid 9433] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9432] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9433] <... futex resumed>) = 0 [pid 9432] <... futex resumed>) = 1 [pid 9433] pwrite64(3, "\x02\x00", 2, 4 [pid 9432] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9433] <... pwrite64 resumed>) = 2 [pid 9433] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9432] <... futex resumed>) = 0 [pid 9433] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9432] exit_group(0 [pid 9433] <... futex resumed>) = ? [pid 9432] <... exit_group resumed>) = ? [pid 9433] +++ exited with 0 +++ [pid 9432] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9432, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9434 attached [ 401.298695][ T9433] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9434 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9434] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9434] setpgid(0, 0) = 0 [pid 9434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9434] write(3, "1000", 4) = 4 [pid 9434] close(3) = 0 [pid 9434] write(1, "executing program\n", 18) = 18 executing program [pid 9434] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9434] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9434] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9434] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9435 attached [pid 9435] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9434] <... clone3 resumed> => {parent_tid=[9435]}, 88) = 9435 [pid 9435] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9434] rt_sigprocmask(SIG_SETMASK, [] [pid 9435] rt_sigprocmask(SIG_SETMASK, [] [pid 9434] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9435] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9435] memfd_create("syzkaller", 0 [pid 9434] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9435] <... memfd_create resumed>) = 3 [pid 9434] <... futex resumed>) = 0 [pid 9435] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 9434] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9435] <... mmap resumed>) = 0x7f0c24913000 [pid 9435] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9435] munmap(0x7f0c24913000, 138412032) = 0 [pid 9435] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9435] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9435] close(3) = 0 [pid 9435] close(4) = 0 [pid 9435] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9435] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9435] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9435] ioctl(3, LOOP_CLR_FD) = 0 [pid 9435] close(3) = 0 [pid 9435] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9434] <... futex resumed>) = 0 [pid 9434] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9435] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9434] <... futex resumed>) = 0 [pid 9434] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9435] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9435] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9434] <... futex resumed>) = 0 [pid 9435] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9434] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9434] <... futex resumed>) = 0 [pid 9434] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9435] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9435] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9435] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9434] <... futex resumed>) = 0 [pid 9434] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9435] pwrite64(3, "\x02\x00", 2, 4 [pid 9434] <... futex resumed>) = 0 [pid 9435] <... pwrite64 resumed>) = 2 [pid 9435] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9435] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9434] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9434] exit_group(0 [pid 9435] <... futex resumed>) = ? [pid 9434] <... exit_group resumed>) = ? [pid 9435] +++ exited with 0 +++ [pid 9434] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9434, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 401.401638][ T9435] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9436 attached [pid 9436] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9436 [pid 9436] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9436] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9436] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9436] setpgid(0, 0) = 0 [pid 9436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9436] write(3, "1000", 4) = 4 [pid 9436] close(3) = 0 executing program [pid 9436] write(1, "executing program\n", 18) = 18 [pid 9436] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9436] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9436] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9436] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9436] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9437]}, 88) = 9437 [pid 9436] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 9437 attached , NULL, 8) = 0 [pid 9436] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9437] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9436] <... futex resumed>) = 0 [pid 9436] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9437] <... rseq resumed>) = 0 [pid 9437] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9437] memfd_create("syzkaller", 0) = 3 [pid 9437] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9437] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9437] munmap(0x7f0c24913000, 138412032) = 0 [pid 9437] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9437] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9437] close(3) = 0 [pid 9437] close(4) = 0 [pid 9437] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9437] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9437] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9437] ioctl(3, LOOP_CLR_FD) = 0 [pid 9437] close(3) = 0 [pid 9437] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9437] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9436] <... futex resumed>) = 0 [pid 9436] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9437] <... futex resumed>) = 0 [pid 9437] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9436] <... futex resumed>) = 1 [pid 9436] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9437] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9437] <... futex resumed>) = 0 [pid 9436] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9437] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9436] <... futex resumed>) = 0 [pid 9436] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9437] <... openat resumed>) = 3 [pid 9437] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9436] <... futex resumed>) = 0 [pid 9437] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9436] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9437] <... futex resumed>) = 0 [pid 9436] <... futex resumed>) = 1 [pid 9437] pwrite64(3, "\x02\x00", 2, 4 [pid 9436] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9437] <... pwrite64 resumed>) = 2 [pid 9437] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9436] <... futex resumed>) = 0 [pid 9436] exit_group(0) = ? [pid 9437] +++ exited with 0 +++ [pid 9436] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 401.512858][ T9437] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9438 attached , child_tidptr=0x555585adc6d0) = 9438 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9438] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9438] <... set_robust_list resumed>) = 0 [pid 9438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9438] setpgid(0, 0) = 0 [pid 9438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9438] write(3, "1000", 4) = 4 [pid 9438] close(3) = 0 executing program [pid 9438] write(1, "executing program\n", 18) = 18 [pid 9438] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9438] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9438] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9438] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9438] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9439 attached => {parent_tid=[9439]}, 88) = 9439 [pid 9439] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9438] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9439] <... rseq resumed>) = 0 [pid 9439] set_robust_list(0x7f0c2cd339a0, 24 [pid 9438] <... futex resumed>) = 0 [pid 9439] <... set_robust_list resumed>) = 0 [pid 9438] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9439] memfd_create("syzkaller", 0) = 3 [pid 9439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9439] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9439] munmap(0x7f0c24913000, 138412032) = 0 [pid 9439] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9439] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9439] close(3) = 0 [pid 9439] close(4) = 0 [pid 9439] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9439] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9439] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9439] ioctl(3, LOOP_CLR_FD) = 0 [pid 9439] close(3) = 0 [pid 9439] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9438] <... futex resumed>) = 0 [pid 9439] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9438] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9438] <... futex resumed>) = 0 [pid 9439] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9438] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9439] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9439] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9439] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9438] <... futex resumed>) = 0 [pid 9439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9438] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9439] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9438] <... futex resumed>) = 0 [pid 9439] <... openat resumed>) = 3 [pid 9438] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9439] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9438] <... futex resumed>) = 0 [pid 9439] pwrite64(3, "\x02\x00", 2, 4 [pid 9438] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9439] <... pwrite64 resumed>) = 2 [pid 9438] <... futex resumed>) = 0 [pid 9439] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9438] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9439] <... futex resumed>) = 0 [pid 9438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9439] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9438] exit_group(0 [pid 9439] <... futex resumed>) = ? [pid 9438] <... exit_group resumed>) = ? [pid 9439] +++ exited with 0 +++ [pid 9438] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9438, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 401.638786][ T9439] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9440 attached , child_tidptr=0x555585adc6d0) = 9440 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9440] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9440] <... set_robust_list resumed>) = 0 [pid 9440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9440] setpgid(0, 0) = 0 [pid 9440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9440] write(3, "1000", 4) = 4 [pid 9440] close(3) = 0 [pid 9440] write(1, "executing program\n", 18) = 18 executing program [pid 9440] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9440] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9440] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9441 attached [pid 9441] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9440] <... clone3 resumed> => {parent_tid=[9441]}, 88) = 9441 [pid 9441] <... rseq resumed>) = 0 [pid 9440] rt_sigprocmask(SIG_SETMASK, [] [pid 9441] set_robust_list(0x7f0c2cd339a0, 24 [pid 9440] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9441] <... set_robust_list resumed>) = 0 [pid 9441] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9441] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9440] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9440] <... futex resumed>) = 0 [pid 9441] memfd_create("syzkaller", 0 [pid 9440] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9441] <... memfd_create resumed>) = 3 [pid 9441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9441] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9441] munmap(0x7f0c24913000, 138412032) = 0 [pid 9441] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9441] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9441] close(3) = 0 [pid 9441] close(4) = 0 [pid 9441] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9441] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9441] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9441] ioctl(3, LOOP_CLR_FD) = 0 [pid 9441] close(3) = 0 [pid 9441] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9440] <... futex resumed>) = 0 [pid 9441] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9440] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9440] <... futex resumed>) = 0 [pid 9441] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9440] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9441] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9441] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9440] <... futex resumed>) = 0 [pid 9440] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9441] <... futex resumed>) = 1 [pid 9440] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9441] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9441] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9440] <... futex resumed>) = 0 [pid 9441] pwrite64(3, "\x02\x00", 2, 4 [pid 9440] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9441] <... pwrite64 resumed>) = 2 [pid 9440] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9441] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9440] <... futex resumed>) = 0 [pid 9441] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9440] exit_group(0 [pid 9441] <... futex resumed>) = ? [pid 9441] +++ exited with 0 +++ [pid 9440] <... exit_group resumed>) = ? [pid 9440] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9442 attached [ 401.756154][ T9441] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9442 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9442] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9442] <... set_robust_list resumed>) = 0 [pid 9442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9442] setpgid(0, 0) = 0 [pid 9442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9442] write(3, "1000", 4) = 4 [pid 9442] close(3) = 0 [pid 9442] write(1, "executing program\n", 18) = 18 executing program [pid 9442] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9442] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9442] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9442] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9442] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9443 attached => {parent_tid=[9443]}, 88) = 9443 [pid 9442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9443] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9442] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9442] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9443] <... rseq resumed>) = 0 [pid 9443] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9443] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9443] memfd_create("syzkaller", 0) = 3 [pid 9443] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9443] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9443] munmap(0x7f0c24913000, 138412032) = 0 [pid 9443] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9443] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9443] close(3) = 0 [pid 9443] close(4) = 0 [pid 9443] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9443] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9443] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9443] ioctl(3, LOOP_CLR_FD) = 0 [pid 9443] close(3) = 0 [pid 9443] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9442] <... futex resumed>) = 0 [pid 9443] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9442] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9442] <... futex resumed>) = 0 [pid 9443] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9442] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9443] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9443] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9442] <... futex resumed>) = 0 [pid 9443] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9442] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9443] <... futex resumed>) = 0 [pid 9442] <... futex resumed>) = 1 [pid 9442] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9443] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9443] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9442] <... futex resumed>) = 0 [pid 9443] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9442] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9443] <... futex resumed>) = 0 [pid 9442] <... futex resumed>) = 1 [pid 9442] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9443] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9443] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9442] <... futex resumed>) = 0 [pid 9442] exit_group(0) = ? [pid 9443] +++ exited with 0 +++ [pid 9442] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9444 attached , child_tidptr=0x555585adc6d0) = 9444 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9444] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9444] setpgid(0, 0) = 0 [pid 9444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9444] write(3, "1000", 4) = 4 [pid 9444] close(3) = 0 [ 401.874356][ T9443] EXT4-fs: quotafile must be on filesystem root executing program [pid 9444] write(1, "executing program\n", 18) = 18 [pid 9444] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9444] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9444] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9444] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9444] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9445 attached [pid 9445] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9445] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9445] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9444] <... clone3 resumed> => {parent_tid=[9445]}, 88) = 9445 [pid 9444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9444] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9445] <... futex resumed>) = 0 [pid 9444] <... futex resumed>) = 1 [pid 9445] memfd_create("syzkaller", 0 [pid 9444] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9445] <... memfd_create resumed>) = 3 [pid 9445] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9445] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9445] munmap(0x7f0c24913000, 138412032) = 0 [pid 9445] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9445] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9445] close(3) = 0 [pid 9445] close(4) = 0 [pid 9445] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9445] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9445] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9445] ioctl(3, LOOP_CLR_FD) = 0 [pid 9445] close(3) = 0 [pid 9445] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9444] <... futex resumed>) = 0 [pid 9444] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9445] <... futex resumed>) = 1 [pid 9444] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9445] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9445] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9444] <... futex resumed>) = 0 [pid 9445] <... futex resumed>) = 1 [pid 9444] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9445] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9444] <... futex resumed>) = 0 [pid 9444] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9445] <... openat resumed>) = 3 [pid 9445] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9444] <... futex resumed>) = 0 [pid 9445] <... futex resumed>) = 1 [pid 9444] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9445] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9444] <... futex resumed>) = 0 [pid 9445] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [ 401.972690][ T9445] EXT4-fs: quotafile must be on filesystem root [pid 9444] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9445] <... futex resumed>) = 0 [pid 9444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9445] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9444] exit_group(0 [pid 9445] <... futex resumed>) = ? [pid 9444] <... exit_group resumed>) = ? [pid 9445] +++ exited with 0 +++ [pid 9444] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9444, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9446 attached , child_tidptr=0x555585adc6d0) = 9446 [pid 9446] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9446] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9446] setpgid(0, 0) = 0 [pid 9446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9446] write(3, "1000", 4) = 4 [pid 9446] close(3) = 0 executing program [pid 9446] write(1, "executing program\n", 18) = 18 [pid 9446] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9446] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9446] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9446] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9447 attached [pid 9447] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9446] <... clone3 resumed> => {parent_tid=[9447]}, 88) = 9447 [pid 9447] <... rseq resumed>) = 0 [pid 9446] rt_sigprocmask(SIG_SETMASK, [] [pid 9447] set_robust_list(0x7f0c2cd339a0, 24 [pid 9446] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9447] <... set_robust_list resumed>) = 0 [pid 9447] rt_sigprocmask(SIG_SETMASK, [] [pid 9446] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9447] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9446] <... futex resumed>) = 0 [pid 9447] memfd_create("syzkaller", 0 [pid 9446] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9447] <... memfd_create resumed>) = 3 [pid 9447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9447] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9447] munmap(0x7f0c24913000, 138412032) = 0 [pid 9447] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9447] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9447] close(3) = 0 [pid 9447] close(4) = 0 [pid 9447] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9447] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9447] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9447] ioctl(3, LOOP_CLR_FD) = 0 [pid 9447] close(3) = 0 [pid 9447] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9446] <... futex resumed>) = 0 [pid 9447] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9446] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9447] <... futex resumed>) = 0 [pid 9446] <... futex resumed>) = 1 [pid 9446] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9447] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9447] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9446] <... futex resumed>) = 0 [pid 9447] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9446] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9447] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9446] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9447] <... openat resumed>) = 3 [pid 9447] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9446] <... futex resumed>) = 0 [pid 9447] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9446] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9447] pwrite64(3, "\x02\x00", 2, 4 [pid 9446] <... futex resumed>) = 0 [pid 9446] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9447] <... pwrite64 resumed>) = 2 [pid 9447] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9446] <... futex resumed>) = 0 [pid 9447] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9446] exit_group(0) = ? [pid 9447] <... futex resumed>) = ? [pid 9447] +++ exited with 0 +++ [pid 9446] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9446, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 402.085963][ T9447] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9448 attached , child_tidptr=0x555585adc6d0) = 9448 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9448] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9448] <... set_robust_list resumed>) = 0 [pid 9448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9448] setpgid(0, 0) = 0 [pid 9448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9448] write(3, "1000", 4) = 4 [pid 9448] close(3) = 0 [pid 9448] write(1, "executing program\n", 18) = 18 [pid 9448] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9448] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9448] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9448] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9449 attached => {parent_tid=[9449]}, 88) = 9449 [pid 9448] rt_sigprocmask(SIG_SETMASK, [] [pid 9449] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9448] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9449] set_robust_list(0x7f0c2cd339a0, 24 [pid 9448] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9448] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9449] <... set_robust_list resumed>) = 0 [pid 9449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9449] memfd_create("syzkaller", 0) = 3 [pid 9449] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9449] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9449] munmap(0x7f0c24913000, 138412032) = 0 [pid 9449] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9449] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9449] close(3) = 0 [pid 9449] close(4) = 0 [pid 9449] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9449] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9449] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9449] ioctl(3, LOOP_CLR_FD) = 0 [pid 9449] close(3) = 0 [pid 9449] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9448] <... futex resumed>) = 0 [pid 9449] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9448] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9449] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9448] <... futex resumed>) = 0 [pid 9449] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9448] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9449] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9448] <... futex resumed>) = 0 [pid 9449] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9448] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9448] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9449] <... openat resumed>) = 3 [pid 9449] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9448] <... futex resumed>) = 0 [pid 9449] <... futex resumed>) = 1 [pid 9448] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9449] pwrite64(3, "\x02\x00", 2, 4 [pid 9448] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9449] <... pwrite64 resumed>) = 2 [pid 9449] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9448] <... futex resumed>) = 0 [pid 9448] exit_group(0) = ? [pid 9449] +++ exited with 0 +++ [pid 9448] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9448, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9450 attached , child_tidptr=0x555585adc6d0) = 9450 [ 402.198596][ T9449] EXT4-fs: quotafile must be on filesystem root [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9450] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9450] setpgid(0, 0) = 0 [pid 9450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9450] write(3, "1000", 4) = 4 [pid 9450] close(3) = 0 [pid 9450] write(1, "executing program\n", 18) = 18 executing program [pid 9450] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9450] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9450] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9450] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9450] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9451 attached => {parent_tid=[9451]}, 88) = 9451 [pid 9451] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9450] rt_sigprocmask(SIG_SETMASK, [] [pid 9451] set_robust_list(0x7f0c2cd339a0, 24 [pid 9450] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9451] <... set_robust_list resumed>) = 0 [pid 9451] rt_sigprocmask(SIG_SETMASK, [] [pid 9450] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9451] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9450] <... futex resumed>) = 0 [pid 9451] memfd_create("syzkaller", 0 [pid 9450] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9451] <... memfd_create resumed>) = 3 [pid 9451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9451] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9451] munmap(0x7f0c24913000, 138412032) = 0 [pid 9451] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9451] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9451] close(3) = 0 [pid 9451] close(4) = 0 [pid 9451] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9451] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9451] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9451] ioctl(3, LOOP_CLR_FD) = 0 [pid 9451] close(3) = 0 [pid 9451] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9450] <... futex resumed>) = 0 [pid 9451] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9450] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9451] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9450] <... futex resumed>) = 0 [pid 9450] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9451] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9451] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9450] <... futex resumed>) = 0 [pid 9451] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9450] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9451] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9450] <... futex resumed>) = 0 [pid 9450] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9451] <... openat resumed>) = 3 [pid 9451] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9450] <... futex resumed>) = 0 [pid 9451] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9450] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9450] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9451] <... futex resumed>) = 0 [pid 9451] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9451] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9450] <... futex resumed>) = 0 [pid 9451] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9450] exit_group(0 [pid 9451] <... futex resumed>) = ? [pid 9450] <... exit_group resumed>) = ? [pid 9451] +++ exited with 0 +++ [pid 9450] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9450, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9452 attached [ 402.301278][ T9451] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9452 [pid 9452] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9452] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9452] setpgid(0, 0) = 0 [pid 9452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9452] write(3, "1000", 4) = 4 [pid 9452] close(3) = 0 executing program [pid 9452] write(1, "executing program\n", 18) = 18 [pid 9452] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9452] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9452] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9453 attached => {parent_tid=[9453]}, 88) = 9453 [pid 9453] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9452] rt_sigprocmask(SIG_SETMASK, [] [pid 9453] <... rseq resumed>) = 0 [pid 9453] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9453] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9452] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9452] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9453] <... futex resumed>) = 0 [pid 9452] <... futex resumed>) = 1 [pid 9453] memfd_create("syzkaller", 0 [pid 9452] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9453] <... memfd_create resumed>) = 3 [pid 9453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9453] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9453] munmap(0x7f0c24913000, 138412032) = 0 [pid 9453] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9453] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9453] close(3) = 0 [pid 9453] close(4) = 0 [pid 9453] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9453] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9453] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9453] ioctl(3, LOOP_CLR_FD) = 0 [pid 9453] close(3) = 0 [pid 9453] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9452] <... futex resumed>) = 0 [pid 9453] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9452] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9452] <... futex resumed>) = 0 [pid 9453] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9452] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9453] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9453] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9452] <... futex resumed>) = 0 [pid 9453] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9452] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9452] <... futex resumed>) = 0 [pid 9453] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9452] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9453] <... openat resumed>) = 3 [pid 9453] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9452] <... futex resumed>) = 0 [pid 9453] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9452] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9452] <... futex resumed>) = 0 [pid 9453] pwrite64(3, "\x02\x00", 2, 4 [pid 9452] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9453] <... pwrite64 resumed>) = 2 [pid 9453] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9452] <... futex resumed>) = 0 [pid 9453] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9452] exit_group(0 [pid 9453] <... futex resumed>) = ? [pid 9452] <... exit_group resumed>) = ? [pid 9453] +++ exited with 0 +++ [pid 9452] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9452, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9454 attached [pid 9454] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9454 [pid 9454] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9454] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9454] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 402.418714][ T9453] EXT4-fs: quotafile must be on filesystem root [pid 9454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9454] setpgid(0, 0) = 0 [pid 9454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9454] write(3, "1000", 4) = 4 [pid 9454] close(3) = 0 executing program [pid 9454] write(1, "executing program\n", 18) = 18 [pid 9454] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9454] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9454] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9454] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9454] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9455 attached [pid 9455] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9454] <... clone3 resumed> => {parent_tid=[9455]}, 88) = 9455 [pid 9455] <... rseq resumed>) = 0 [pid 9454] rt_sigprocmask(SIG_SETMASK, [] [pid 9455] set_robust_list(0x7f0c2cd339a0, 24 [pid 9454] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9455] <... set_robust_list resumed>) = 0 [pid 9454] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9455] rt_sigprocmask(SIG_SETMASK, [] [pid 9454] <... futex resumed>) = 0 [pid 9455] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9454] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9455] memfd_create("syzkaller", 0) = 3 [pid 9455] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9455] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9455] munmap(0x7f0c24913000, 138412032) = 0 [pid 9455] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9455] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9455] close(3) = 0 [pid 9455] close(4) = 0 [pid 9455] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9455] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9455] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9455] ioctl(3, LOOP_CLR_FD) = 0 [pid 9455] close(3) = 0 [pid 9455] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9454] <... futex resumed>) = 0 [pid 9455] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9454] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9454] <... futex resumed>) = 0 [pid 9455] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9454] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9455] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9455] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9454] <... futex resumed>) = 0 [pid 9455] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9454] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9455] <... futex resumed>) = 0 [pid 9454] <... futex resumed>) = 1 [pid 9455] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9454] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9455] <... openat resumed>) = 3 [pid 9455] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9454] <... futex resumed>) = 0 [pid 9455] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9454] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9455] <... futex resumed>) = 0 [pid 9455] pwrite64(3, "\x02\x00", 2, 4 [pid 9454] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9455] <... pwrite64 resumed>) = 2 [pid 9455] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9454] <... futex resumed>) = 0 [pid 9455] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9454] exit_group(0 [pid 9455] <... futex resumed>) = ? [pid 9454] <... exit_group resumed>) = ? [pid 9455] +++ exited with 0 +++ [pid 9454] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 402.516149][ T9455] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9456 attached , child_tidptr=0x555585adc6d0) = 9456 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9456] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9456] <... set_robust_list resumed>) = 0 [pid 9456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9456] setpgid(0, 0) = 0 [pid 9456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9456] write(3, "1000", 4) = 4 [pid 9456] close(3) = 0 executing program [pid 9456] write(1, "executing program\n", 18) = 18 [pid 9456] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9456] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9456] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9456] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9456] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9457 attached => {parent_tid=[9457]}, 88) = 9457 [pid 9457] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9456] rt_sigprocmask(SIG_SETMASK, [] [pid 9457] <... rseq resumed>) = 0 [pid 9456] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9456] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9457] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9456] <... futex resumed>) = 0 [pid 9457] rt_sigprocmask(SIG_SETMASK, [] [pid 9456] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9457] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9457] memfd_create("syzkaller", 0) = 3 [pid 9457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9457] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9457] munmap(0x7f0c24913000, 138412032) = 0 [pid 9457] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9457] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9457] close(3) = 0 [pid 9457] close(4) = 0 [pid 9457] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9457] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9457] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9457] ioctl(3, LOOP_CLR_FD) = 0 [pid 9457] close(3) = 0 [pid 9457] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9456] <... futex resumed>) = 0 [pid 9457] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9456] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9457] <... futex resumed>) = 0 [pid 9457] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9456] <... futex resumed>) = 1 [pid 9456] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9457] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9457] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9456] <... futex resumed>) = 0 [pid 9457] <... futex resumed>) = 1 [pid 9456] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9457] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9456] <... futex resumed>) = 0 [pid 9457] <... openat resumed>) = 3 [pid 9456] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9457] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9456] <... futex resumed>) = 0 [pid 9457] <... futex resumed>) = 1 [pid 9456] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9457] pwrite64(3, "\x02\x00", 2, 4 [pid 9456] <... futex resumed>) = 0 [pid 9456] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9457] <... pwrite64 resumed>) = 2 [pid 9457] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9456] <... futex resumed>) = 0 [pid 9457] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9456] exit_group(0) = ? [pid 9457] <... futex resumed>) = ? [pid 9457] +++ exited with 0 +++ [pid 9456] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9458 attached , child_tidptr=0x555585adc6d0) = 9458 [pid 9458] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9458] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9458] setpgid(0, 0) = 0 [pid 9458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9458] write(3, "1000", 4) = 4 [pid 9458] close(3) = 0 [pid 9458] write(1, "executing program\n", 18) = 18 executing program [ 402.653737][ T9457] EXT4-fs: quotafile must be on filesystem root [pid 9458] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9458] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9458] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9459 attached [pid 9459] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9458] <... clone3 resumed> => {parent_tid=[9459]}, 88) = 9459 [pid 9458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9458] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9459] <... rseq resumed>) = 0 [pid 9459] set_robust_list(0x7f0c2cd339a0, 24 [pid 9458] <... futex resumed>) = 0 [pid 9459] <... set_robust_list resumed>) = 0 [pid 9458] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9459] memfd_create("syzkaller", 0) = 3 [pid 9459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9459] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9459] munmap(0x7f0c24913000, 138412032) = 0 [pid 9459] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9459] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9459] close(3) = 0 [pid 9459] close(4) = 0 [pid 9459] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9459] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9459] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9459] ioctl(3, LOOP_CLR_FD) = 0 [pid 9459] close(3) = 0 [pid 9459] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9458] <... futex resumed>) = 0 [pid 9458] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9458] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9459] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9459] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9458] <... futex resumed>) = 0 [pid 9459] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9458] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9459] <... futex resumed>) = 0 [pid 9458] <... futex resumed>) = 1 [pid 9459] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9458] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9459] <... openat resumed>) = 3 [pid 9459] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9458] <... futex resumed>) = 0 [pid 9458] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9458] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9459] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9459] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9458] <... futex resumed>) = 0 [pid 9459] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9458] exit_group(0 [pid 9459] <... futex resumed>) = ? [pid 9458] <... exit_group resumed>) = ? [pid 9459] +++ exited with 0 +++ [pid 9458] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9458, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9460 attached , child_tidptr=0x555585adc6d0) = 9460 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9460] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9460] <... set_robust_list resumed>) = 0 [ 402.738884][ T9459] EXT4-fs: quotafile must be on filesystem root [pid 9460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9460] setpgid(0, 0) = 0 [pid 9460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9460] write(3, "1000", 4) = 4 [pid 9460] close(3) = 0 executing program [pid 9460] write(1, "executing program\n", 18) = 18 [pid 9460] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9460] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9460] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9460] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9460] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9461 attached [pid 9461] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9460] <... clone3 resumed> => {parent_tid=[9461]}, 88) = 9461 [pid 9461] <... rseq resumed>) = 0 [pid 9461] set_robust_list(0x7f0c2cd339a0, 24 [pid 9460] rt_sigprocmask(SIG_SETMASK, [] [pid 9461] <... set_robust_list resumed>) = 0 [pid 9460] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9461] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9460] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9461] <... futex resumed>) = 0 [pid 9460] <... futex resumed>) = 1 [pid 9461] memfd_create("syzkaller", 0 [pid 9460] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9461] <... memfd_create resumed>) = 3 [pid 9461] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9461] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9461] munmap(0x7f0c24913000, 138412032) = 0 [pid 9461] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9461] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9461] close(3) = 0 [pid 9461] close(4) = 0 [pid 9461] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9461] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9461] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9461] ioctl(3, LOOP_CLR_FD) = 0 [pid 9461] close(3) = 0 [pid 9461] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9460] <... futex resumed>) = 0 [pid 9460] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9461] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9460] <... futex resumed>) = 0 [pid 9461] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9460] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9461] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9460] <... futex resumed>) = 0 [pid 9461] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9460] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9461] <... futex resumed>) = 0 [pid 9460] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9461] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9461] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9460] <... futex resumed>) = 0 [pid 9461] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9460] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9460] <... futex resumed>) = 0 [pid 9460] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9461] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9461] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9460] <... futex resumed>) = 0 [pid 9461] <... futex resumed>) = 1 [pid 9461] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9460] exit_group(0) = ? [pid 9461] <... futex resumed>) = ? [pid 9461] +++ exited with 0 +++ [pid 9460] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9460, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9462 attached , child_tidptr=0x555585adc6d0) = 9462 [pid 9462] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9462] setpgid(0, 0) = 0 [pid 9462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9462] write(3, "1000", 4) = 4 [pid 9462] close(3) = 0 executing program [ 402.850349][ T9461] EXT4-fs: quotafile must be on filesystem root [pid 9462] write(1, "executing program\n", 18) = 18 [pid 9462] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9462] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9462] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9462] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9462] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9462] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9463 attached [pid 9463] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9462] <... clone3 resumed> => {parent_tid=[9463]}, 88) = 9463 [pid 9463] <... rseq resumed>) = 0 [pid 9463] set_robust_list(0x7f0c2cd339a0, 24 [pid 9462] rt_sigprocmask(SIG_SETMASK, [] [pid 9463] <... set_robust_list resumed>) = 0 [pid 9462] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9463] rt_sigprocmask(SIG_SETMASK, [] [pid 9462] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9463] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9462] <... futex resumed>) = 0 [pid 9462] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9463] memfd_create("syzkaller", 0) = 3 [pid 9463] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9463] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9463] munmap(0x7f0c24913000, 138412032) = 0 [pid 9463] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9463] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9463] close(3) = 0 [pid 9463] close(4) = 0 [pid 9463] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9463] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9463] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9463] ioctl(3, LOOP_CLR_FD) = 0 [pid 9463] close(3) = 0 [pid 9463] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9462] <... futex resumed>) = 0 [pid 9462] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9462] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9463] <... futex resumed>) = 1 [pid 9463] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9463] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9462] <... futex resumed>) = 0 [pid 9462] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9462] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9463] <... futex resumed>) = 1 [pid 9463] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9463] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9462] <... futex resumed>) = 0 [pid 9463] pwrite64(3, "\x02\x00", 2, 4 [pid 9462] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9462] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9463] <... pwrite64 resumed>) = 2 [pid 9463] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9462] <... futex resumed>) = 0 [pid 9463] <... futex resumed>) = 1 [pid 9462] exit_group(0 [pid 9463] ???( [pid 9462] <... exit_group resumed>) = ? [pid 9463] <... ??? resumed>) = ? [pid 9463] +++ exited with 0 +++ [pid 9462] +++ exited with 0 +++ [ 402.946590][ T9463] set_capacity_and_notify: 33 callbacks suppressed [ 402.953362][ T9463] loop0: detected capacity change from 0 to 512 [ 402.965363][ T9463] EXT4-fs: quotafile must be on filesystem root --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9462, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9464 attached , child_tidptr=0x555585adc6d0) = 9464 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9464] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9464] <... set_robust_list resumed>) = 0 [pid 9464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9464] setpgid(0, 0) = 0 [pid 9464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9464] write(3, "1000", 4) = 4 [pid 9464] close(3) = 0 [pid 9464] write(1, "executing program\n", 18) = 18 executing program [pid 9464] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9464] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9464] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9465 attached => {parent_tid=[9465]}, 88) = 9465 [pid 9464] rt_sigprocmask(SIG_SETMASK, [] [pid 9465] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9464] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9465] set_robust_list(0x7f0c2cd339a0, 24 [pid 9464] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9464] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9465] <... set_robust_list resumed>) = 0 [pid 9465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9465] memfd_create("syzkaller", 0) = 3 [pid 9465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9465] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9465] munmap(0x7f0c24913000, 138412032) = 0 [pid 9465] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9465] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9465] close(3) = 0 [pid 9465] close(4) = 0 [pid 9465] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9465] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9465] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9465] ioctl(3, LOOP_CLR_FD) = 0 [pid 9465] close(3) = 0 [pid 9465] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9464] <... futex resumed>) = 0 [pid 9464] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9464] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9465] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9465] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9464] <... futex resumed>) = 0 [pid 9465] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9464] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9464] <... futex resumed>) = 0 [pid 9464] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9465] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9465] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9464] <... futex resumed>) = 0 [pid 9465] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9464] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9464] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9465] <... futex resumed>) = 0 [pid 9465] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9465] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9464] <... futex resumed>) = 0 [pid 9465] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9464] exit_group(0 [pid 9465] <... futex resumed>) = ? [pid 9464] <... exit_group resumed>) = ? [pid 9465] +++ exited with 0 +++ [pid 9464] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 403.126508][ T9465] loop0: detected capacity change from 0 to 512 [ 403.137237][ T9465] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9466 attached , child_tidptr=0x555585adc6d0) = 9466 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9466] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9466] setpgid(0, 0) = 0 [pid 9466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9466] write(3, "1000", 4) = 4 [pid 9466] close(3) = 0 executing program [pid 9466] write(1, "executing program\n", 18) = 18 [pid 9466] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9466] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9466] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9466] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9466] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9467 attached [pid 9467] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9467] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9466] <... clone3 resumed> => {parent_tid=[9467]}, 88) = 9467 [pid 9467] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9466] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9467] <... futex resumed>) = 0 [pid 9466] <... futex resumed>) = 1 [pid 9467] memfd_create("syzkaller", 0 [pid 9466] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9467] <... memfd_create resumed>) = 3 [pid 9467] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9467] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9467] munmap(0x7f0c24913000, 138412032) = 0 [pid 9467] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9467] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9467] close(3) = 0 [pid 9467] close(4) = 0 [pid 9467] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9467] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9467] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9467] ioctl(3, LOOP_CLR_FD) = 0 [pid 9467] close(3) = 0 [pid 9467] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9466] <... futex resumed>) = 0 [pid 9467] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9466] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9467] <... futex resumed>) = 0 [pid 9466] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9467] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9467] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9466] <... futex resumed>) = 0 [pid 9467] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9466] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9467] <... futex resumed>) = 0 [pid 9466] <... futex resumed>) = 1 [pid 9466] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9467] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9467] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9466] <... futex resumed>) = 0 [pid 9467] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9466] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9466] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9467] <... futex resumed>) = 0 [pid 9467] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9467] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9466] <... futex resumed>) = 0 [pid 9467] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9466] exit_group(0 [pid 9467] <... futex resumed>) = ? [pid 9466] <... exit_group resumed>) = ? [pid 9467] +++ exited with 0 +++ [pid 9466] +++ exited with 0 +++ [ 403.243840][ T9467] loop0: detected capacity change from 0 to 512 [ 403.262344][ T9467] EXT4-fs: quotafile must be on filesystem root --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9466, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9468 attached , child_tidptr=0x555585adc6d0) = 9468 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9468] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9468] setpgid(0, 0) = 0 [pid 9468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9468] write(3, "1000", 4) = 4 [pid 9468] close(3) = 0 [pid 9468] write(1, "executing program\n", 18) = 18 executing program [pid 9468] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9468] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9468] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9468] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9468] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9469 attached [pid 9469] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9469] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9469] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9468] <... clone3 resumed> => {parent_tid=[9469]}, 88) = 9469 [pid 9468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9468] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9469] <... futex resumed>) = 0 [pid 9468] <... futex resumed>) = 1 [pid 9469] memfd_create("syzkaller", 0 [pid 9468] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9469] <... memfd_create resumed>) = 3 [pid 9469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9469] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9469] munmap(0x7f0c24913000, 138412032) = 0 [pid 9469] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9469] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9469] close(3) = 0 [pid 9469] close(4) = 0 [pid 9469] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9469] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9469] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9469] ioctl(3, LOOP_CLR_FD) = 0 [pid 9469] close(3) = 0 [pid 9469] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9469] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9468] <... futex resumed>) = 0 [pid 9468] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9469] <... futex resumed>) = 0 [pid 9468] <... futex resumed>) = 1 [pid 9469] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9468] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9469] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9469] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9468] <... futex resumed>) = 0 [pid 9468] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9468] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9469] <... futex resumed>) = 0 [pid 9469] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9469] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9468] <... futex resumed>) = 0 [pid 9468] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9468] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9469] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9469] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9468] <... futex resumed>) = 0 [pid 9469] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9468] exit_group(0 [pid 9469] <... futex resumed>) = ? [pid 9468] <... exit_group resumed>) = ? [pid 9469] +++ exited with 0 +++ [pid 9468] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9470 attached [ 403.363633][ T9469] loop0: detected capacity change from 0 to 512 [ 403.388214][ T9469] EXT4-fs: quotafile must be on filesystem root [pid 9470] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9470 [pid 9470] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9470] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9470] setpgid(0, 0) = 0 [pid 9470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9470] write(3, "1000", 4) = 4 [pid 9470] close(3) = 0 [pid 9470] write(1, "executing program\n", 18) = 18 [pid 9470] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9470] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9470] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9470] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9471 attached [pid 9471] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9470] <... clone3 resumed> => {parent_tid=[9471]}, 88) = 9471 [pid 9471] <... rseq resumed>) = 0 [pid 9470] rt_sigprocmask(SIG_SETMASK, [] [pid 9471] set_robust_list(0x7f0c2cd339a0, 24 [pid 9470] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9471] <... set_robust_list resumed>) = 0 [pid 9470] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9471] rt_sigprocmask(SIG_SETMASK, [] [pid 9470] <... futex resumed>) = 0 [pid 9471] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9471] memfd_create("syzkaller", 0 [pid 9470] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9471] <... memfd_create resumed>) = 3 [pid 9471] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9471] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9471] munmap(0x7f0c24913000, 138412032) = 0 [pid 9471] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9471] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9471] close(3) = 0 [pid 9471] close(4) = 0 [pid 9471] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9471] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9471] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9471] ioctl(3, LOOP_CLR_FD) = 0 [pid 9471] close(3) = 0 [pid 9471] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9470] <... futex resumed>) = 0 [pid 9471] <... futex resumed>) = 1 [pid 9471] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9470] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9471] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9470] <... futex resumed>) = 0 [pid 9471] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9470] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9471] <... futex resumed>) = 0 [pid 9471] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9470] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9471] <... futex resumed>) = 0 [pid 9470] <... futex resumed>) = 1 [pid 9471] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9470] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9471] <... openat resumed>) = 3 [pid 9471] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9470] <... futex resumed>) = 0 [pid 9471] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9470] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9470] <... futex resumed>) = 0 [pid 9471] pwrite64(3, "\x02\x00", 2, 4 [pid 9470] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9471] <... pwrite64 resumed>) = 2 [pid 9471] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9470] <... futex resumed>) = 0 [pid 9471] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9470] exit_group(0) = ? [pid 9471] <... futex resumed>) = ? [pid 9471] +++ exited with 0 +++ [pid 9470] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9472 attached [ 403.505105][ T9471] loop0: detected capacity change from 0 to 512 [ 403.520797][ T9471] EXT4-fs: quotafile must be on filesystem root [pid 9472] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9472 [pid 9472] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9472] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9472] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9472] setpgid(0, 0) = 0 [pid 9472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9472] write(3, "1000", 4) = 4 [pid 9472] close(3) = 0 [pid 9472] write(1, "executing program\n", 18) = 18 executing program [pid 9472] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9472] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9472] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9472] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9472] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9473 attached => {parent_tid=[9473]}, 88) = 9473 [pid 9473] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9472] rt_sigprocmask(SIG_SETMASK, [] [pid 9473] <... rseq resumed>) = 0 [pid 9472] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9472] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9473] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9472] <... futex resumed>) = 0 [pid 9473] rt_sigprocmask(SIG_SETMASK, [] [pid 9472] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9473] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9473] memfd_create("syzkaller", 0) = 3 [pid 9473] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9473] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9473] munmap(0x7f0c24913000, 138412032) = 0 [pid 9473] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9473] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9473] close(3) = 0 [pid 9473] close(4) = 0 [pid 9473] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9473] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9473] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9473] ioctl(3, LOOP_CLR_FD) = 0 [pid 9473] close(3) = 0 [pid 9473] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9472] <... futex resumed>) = 0 [pid 9473] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9472] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9473] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9472] <... futex resumed>) = 0 [pid 9473] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9473] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9472] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9472] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9473] <... futex resumed>) = 0 [pid 9472] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9473] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9473] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9472] <... futex resumed>) = 0 [pid 9473] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9472] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9472] <... futex resumed>) = 0 [pid 9473] pwrite64(3, "\x02\x00", 2, 4 [pid 9472] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9473] <... pwrite64 resumed>) = 2 [pid 9473] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9472] <... futex resumed>) = 0 [pid 9473] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9472] exit_group(0) = ? [pid 9473] <... futex resumed>) = ? [pid 9473] +++ exited with 0 +++ [pid 9472] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9472, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9474 attached , child_tidptr=0x555585adc6d0) = 9474 [pid 9474] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9474] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9474] setpgid(0, 0) = 0 [pid 9474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9474] write(3, "1000", 4) = 4 [ 403.621789][ T9473] loop0: detected capacity change from 0 to 512 [ 403.634666][ T9473] EXT4-fs: quotafile must be on filesystem root [pid 9474] close(3) = 0 executing program [pid 9474] write(1, "executing program\n", 18) = 18 [pid 9474] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9474] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9474] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9474] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9474] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9475 attached => {parent_tid=[9475]}, 88) = 9475 [pid 9475] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9474] rt_sigprocmask(SIG_SETMASK, [] [pid 9475] set_robust_list(0x7f0c2cd339a0, 24 [pid 9474] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9475] <... set_robust_list resumed>) = 0 [pid 9474] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9475] rt_sigprocmask(SIG_SETMASK, [] [pid 9474] <... futex resumed>) = 0 [pid 9475] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9474] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9475] memfd_create("syzkaller", 0) = 3 [pid 9475] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9475] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9475] munmap(0x7f0c24913000, 138412032) = 0 [pid 9475] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9475] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9475] close(3) = 0 [pid 9475] close(4) = 0 [pid 9475] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9475] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9475] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9475] ioctl(3, LOOP_CLR_FD) = 0 [pid 9475] close(3) = 0 [pid 9475] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9474] <... futex resumed>) = 0 [pid 9474] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9475] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9474] <... futex resumed>) = 0 [pid 9474] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9475] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9475] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9474] <... futex resumed>) = 0 [pid 9474] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9474] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9475] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9475] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9474] <... futex resumed>) = 0 [pid 9474] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9475] pwrite64(3, "\x02\x00", 2, 4 [pid 9474] <... futex resumed>) = 0 [pid 9474] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9475] <... pwrite64 resumed>) = 2 [pid 9475] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9474] <... futex resumed>) = 0 [pid 9475] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9474] exit_group(0) = ? [pid 9475] <... futex resumed>) = ? [pid 9475] +++ exited with 0 +++ [pid 9474] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9474, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9476 attached [ 403.706560][ T9475] loop0: detected capacity change from 0 to 512 [ 403.717007][ T9475] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9476 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9476] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9476] <... set_robust_list resumed>) = 0 [pid 9476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9476] setpgid(0, 0) = 0 [pid 9476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9476] write(3, "1000", 4) = 4 [pid 9476] close(3) = 0 executing program [pid 9476] write(1, "executing program\n", 18) = 18 [pid 9476] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9476] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9476] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9477 attached [pid 9477] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9476] <... clone3 resumed> => {parent_tid=[9477]}, 88) = 9477 [pid 9477] <... rseq resumed>) = 0 [pid 9476] rt_sigprocmask(SIG_SETMASK, [] [pid 9477] set_robust_list(0x7f0c2cd339a0, 24 [pid 9476] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9477] <... set_robust_list resumed>) = 0 [pid 9476] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9476] <... futex resumed>) = 0 [pid 9477] memfd_create("syzkaller", 0 [pid 9476] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9477] <... memfd_create resumed>) = 3 [pid 9477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9477] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9477] munmap(0x7f0c24913000, 138412032) = 0 [pid 9477] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9477] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9477] close(3) = 0 [pid 9477] close(4) = 0 [pid 9477] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9477] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9477] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9477] ioctl(3, LOOP_CLR_FD) = 0 [pid 9477] close(3) = 0 [pid 9477] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9476] <... futex resumed>) = 0 [pid 9477] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9476] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9476] <... futex resumed>) = 0 [pid 9477] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9476] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9477] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9477] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9476] <... futex resumed>) = 0 [pid 9477] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9476] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9476] <... futex resumed>) = 0 [pid 9477] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9476] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9477] <... openat resumed>) = 3 [pid 9477] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9476] <... futex resumed>) = 0 [pid 9477] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9476] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9476] <... futex resumed>) = 0 [pid 9477] pwrite64(3, "\x02\x00", 2, 4 [pid 9476] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9477] <... pwrite64 resumed>) = 2 [pid 9477] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9476] <... futex resumed>) = 0 [pid 9477] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9476] exit_group(0 [pid 9477] <... futex resumed>) = ? [pid 9476] <... exit_group resumed>) = ? [pid 9477] +++ exited with 0 +++ [pid 9476] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9476, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9478 attached [pid 9478] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9478 [pid 9478] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9478] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9478] setpgid(0, 0) = 0 [pid 9478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9478] write(3, "1000", 4) = 4 [pid 9478] close(3) = 0 [pid 9478] write(1, "executing program\n", 18) = 18 executing program [pid 9478] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9478] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9478] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [ 403.824015][ T9477] loop0: detected capacity change from 0 to 512 [ 403.832112][ T9477] EXT4-fs: quotafile must be on filesystem root [pid 9478] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9478] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9479 attached => {parent_tid=[9479]}, 88) = 9479 [pid 9479] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9478] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9479] <... rseq resumed>) = 0 [pid 9478] <... futex resumed>) = 0 [pid 9479] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9478] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9479] memfd_create("syzkaller", 0) = 3 [pid 9479] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9479] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9479] munmap(0x7f0c24913000, 138412032) = 0 [pid 9479] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9479] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9479] close(3) = 0 [pid 9479] close(4) = 0 [pid 9479] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9479] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9479] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9479] ioctl(3, LOOP_CLR_FD) = 0 [pid 9479] close(3) = 0 [pid 9479] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9478] <... futex resumed>) = 0 [pid 9478] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9479] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9478] <... futex resumed>) = 0 [pid 9479] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9478] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9479] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9478] <... futex resumed>) = 0 [pid 9479] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9478] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9479] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9478] <... futex resumed>) = 0 [pid 9479] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9478] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9479] <... futex resumed>) = 0 [pid 9478] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9479] pwrite64(3, "\x02\x00", 2, 4 [pid 9478] <... futex resumed>) = 0 [pid 9479] <... pwrite64 resumed>) = 2 [pid 9478] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9479] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9478] <... futex resumed>) = 0 [pid 9479] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9478] exit_group(0 [pid 9479] <... futex resumed>) = ? [pid 9478] <... exit_group resumed>) = ? [pid 9479] +++ exited with 0 +++ [pid 9478] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9478, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 403.926391][ T9479] loop0: detected capacity change from 0 to 512 [ 403.935254][ T9479] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9480 attached , child_tidptr=0x555585adc6d0) = 9480 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9480] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9480] <... set_robust_list resumed>) = 0 [pid 9480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9480] setpgid(0, 0) = 0 [pid 9480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9480] write(3, "1000", 4) = 4 [pid 9480] close(3) = 0 executing program [pid 9480] write(1, "executing program\n", 18) = 18 [pid 9480] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9480] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9480] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9480] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9480] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9481 attached => {parent_tid=[9481]}, 88) = 9481 [pid 9480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9480] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9480] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9481] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9481] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9481] memfd_create("syzkaller", 0) = 3 [pid 9481] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9481] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9481] munmap(0x7f0c24913000, 138412032) = 0 [pid 9481] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9481] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9481] close(3) = 0 [pid 9481] close(4) = 0 [pid 9481] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9481] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9481] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9481] ioctl(3, LOOP_CLR_FD) = 0 [pid 9481] close(3) = 0 [pid 9481] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9480] <... futex resumed>) = 0 [pid 9481] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9480] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9480] <... futex resumed>) = 0 [pid 9481] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9480] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9481] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9481] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9481] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9480] <... futex resumed>) = 0 [pid 9480] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9480] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9481] <... futex resumed>) = 0 [pid 9481] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9481] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9481] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9480] <... futex resumed>) = 0 [pid 9480] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9481] <... futex resumed>) = 0 [pid 9480] <... futex resumed>) = 1 [pid 9481] pwrite64(3, "\x02\x00", 2, 4 [pid 9480] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9481] <... pwrite64 resumed>) = 2 [pid 9481] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9480] <... futex resumed>) = 0 [pid 9481] <... futex resumed>) = 1 [pid 9480] exit_group(0 [pid 9481] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9480] <... exit_group resumed>) = ? [pid 9481] <... futex resumed>) = ? [pid 9481] +++ exited with 0 +++ [pid 9480] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9480, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 404.053317][ T9481] loop0: detected capacity change from 0 to 512 [ 404.067284][ T9481] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9482 attached , child_tidptr=0x555585adc6d0) = 9482 [pid 9482] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9482] setpgid(0, 0) = 0 [pid 9482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9482] <... openat resumed>) = 3 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9482] write(3, "1000", 4) = 4 [pid 9482] close(3) = 0 [pid 9482] write(1, "executing program\n", 18) = 18 executing program [pid 9482] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9482] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9482] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9482] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9482] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9483 attached [pid 9483] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9482] <... clone3 resumed> => {parent_tid=[9483]}, 88) = 9483 [pid 9483] <... rseq resumed>) = 0 [pid 9482] rt_sigprocmask(SIG_SETMASK, [] [pid 9483] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9482] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9483] rt_sigprocmask(SIG_SETMASK, [] [pid 9482] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9483] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9482] <... futex resumed>) = 0 [pid 9482] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9483] memfd_create("syzkaller", 0) = 3 [pid 9483] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9483] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9483] munmap(0x7f0c24913000, 138412032) = 0 [pid 9483] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9483] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9483] close(3) = 0 [pid 9483] close(4) = 0 [pid 9483] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9483] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9483] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9483] ioctl(3, LOOP_CLR_FD) = 0 [pid 9483] close(3) = 0 [pid 9483] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9482] <... futex resumed>) = 0 [pid 9483] <... futex resumed>) = 1 [pid 9482] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9483] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9482] <... futex resumed>) = 0 [pid 9482] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9483] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9483] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9482] <... futex resumed>) = 0 [pid 9483] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9482] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9482] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9483] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9483] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9482] <... futex resumed>) = 0 [pid 9483] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9482] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9483] pwrite64(3, "\x02\x00", 2, 4 [pid 9482] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9483] <... pwrite64 resumed>) = 2 [pid 9483] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9482] <... futex resumed>) = 0 [pid 9483] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9482] exit_group(0 [pid 9483] <... futex resumed>) = ? [pid 9482] <... exit_group resumed>) = ? [pid 9483] +++ exited with 0 +++ [pid 9482] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9482, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9484 attached , child_tidptr=0x555585adc6d0) = 9484 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9484] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 404.197774][ T9483] EXT4-fs: quotafile must be on filesystem root [pid 9484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9484] setpgid(0, 0) = 0 [pid 9484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9484] write(3, "1000", 4) = 4 [pid 9484] close(3) = 0 [pid 9484] write(1, "executing program\n", 18) = 18 [pid 9484] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9484] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9484] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 executing program [pid 9484] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9484] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9485 attached [pid 9485] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9485] set_robust_list(0x7f0c2cd339a0, 24 [pid 9484] <... clone3 resumed> => {parent_tid=[9485]}, 88) = 9485 [pid 9485] <... set_robust_list resumed>) = 0 [pid 9485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9484] rt_sigprocmask(SIG_SETMASK, [] [pid 9485] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9484] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9484] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9485] <... futex resumed>) = 0 [pid 9484] <... futex resumed>) = 1 [pid 9485] memfd_create("syzkaller", 0 [pid 9484] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9485] <... memfd_create resumed>) = 3 [pid 9485] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9485] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9485] munmap(0x7f0c24913000, 138412032) = 0 [pid 9485] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9485] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9485] close(3) = 0 [pid 9485] close(4) = 0 [pid 9485] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9485] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9485] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9485] ioctl(3, LOOP_CLR_FD) = 0 [pid 9485] close(3) = 0 [pid 9485] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9484] <... futex resumed>) = 0 [pid 9485] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9484] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9485] <... futex resumed>) = 0 [pid 9484] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9485] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9485] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9484] <... futex resumed>) = 0 [pid 9484] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9485] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9484] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9485] <... openat resumed>) = 3 [pid 9485] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9484] <... futex resumed>) = 0 [pid 9485] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9484] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9484] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9485] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9485] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9484] <... futex resumed>) = 0 [pid 9484] exit_group(0 [pid 9485] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9484] <... exit_group resumed>) = ? [pid 9485] <... futex resumed>) = ? [pid 9485] +++ exited with 0 +++ [pid 9484] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9484, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9486 attached [pid 9486] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9486 [pid 9486] <... set_robust_list resumed>) = 0 [pid 9486] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9486] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 404.293754][ T9485] EXT4-fs: quotafile must be on filesystem root [pid 9486] <... prctl resumed>) = 0 [pid 9486] setpgid(0, 0) = 0 [pid 9486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9486] write(3, "1000", 4) = 4 [pid 9486] close(3) = 0 [pid 9486] write(1, "executing program\n", 18) = 18 executing program [pid 9486] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9486] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9486] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9486] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9486] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9487 attached => {parent_tid=[9487]}, 88) = 9487 [pid 9486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9486] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9487] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9486] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9487] <... rseq resumed>) = 0 [pid 9487] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9487] memfd_create("syzkaller", 0) = 3 [pid 9487] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9487] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9487] munmap(0x7f0c24913000, 138412032) = 0 [pid 9487] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9487] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9487] close(3) = 0 [pid 9487] close(4) = 0 [pid 9487] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9487] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9487] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9487] ioctl(3, LOOP_CLR_FD) = 0 [pid 9487] close(3) = 0 [pid 9487] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9486] <... futex resumed>) = 0 [pid 9486] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9486] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9487] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9487] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9486] <... futex resumed>) = 0 [pid 9487] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9486] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9486] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9487] <... futex resumed>) = 0 [pid 9487] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9487] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9486] <... futex resumed>) = 0 [pid 9487] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9486] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9486] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9487] <... futex resumed>) = 0 [pid 9487] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9487] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9486] <... futex resumed>) = 0 [pid 9486] exit_group(0) = ? [pid 9487] +++ exited with 0 +++ [pid 9486] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9486, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9488 attached , child_tidptr=0x555585adc6d0) = 9488 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9488] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9488] <... set_robust_list resumed>) = 0 [pid 9488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9488] setpgid(0, 0) = 0 [pid 9488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9488] write(3, "1000", 4) = 4 [pid 9488] close(3) = 0 executing program [pid 9488] write(1, "executing program\n", 18) = 18 [pid 9488] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9488] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9488] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 404.380831][ T9487] EXT4-fs: quotafile must be on filesystem root [pid 9488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9488] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9488] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9489 attached => {parent_tid=[9489]}, 88) = 9489 [pid 9489] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9488] rt_sigprocmask(SIG_SETMASK, [] [pid 9489] <... rseq resumed>) = 0 [pid 9488] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9489] set_robust_list(0x7f0c2cd339a0, 24 [pid 9488] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9489] <... set_robust_list resumed>) = 0 [pid 9489] rt_sigprocmask(SIG_SETMASK, [] [pid 9488] <... futex resumed>) = 0 [pid 9489] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9489] memfd_create("syzkaller", 0 [pid 9488] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9489] <... memfd_create resumed>) = 3 [pid 9489] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9489] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9489] munmap(0x7f0c24913000, 138412032) = 0 [pid 9489] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9489] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9489] close(3) = 0 [pid 9489] close(4) = 0 [pid 9489] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9489] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9489] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9489] ioctl(3, LOOP_CLR_FD) = 0 [pid 9489] close(3) = 0 [pid 9489] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9488] <... futex resumed>) = 0 [pid 9488] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9489] <... futex resumed>) = 1 [pid 9488] <... futex resumed>) = 0 [pid 9489] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9488] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9489] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9489] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9488] <... futex resumed>) = 0 [pid 9488] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9489] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9488] <... futex resumed>) = 0 [pid 9488] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9489] <... openat resumed>) = 3 [pid 9489] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9488] <... futex resumed>) = 0 [pid 9489] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9488] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9488] <... futex resumed>) = 0 [pid 9488] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9489] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9489] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9488] <... futex resumed>) = 0 [pid 9489] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9488] exit_group(0 [pid 9489] <... futex resumed>) = ? [pid 9488] <... exit_group resumed>) = ? [pid 9489] +++ exited with 0 +++ [pid 9488] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9490 attached , child_tidptr=0x555585adc6d0) = 9490 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9490] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9490] <... set_robust_list resumed>) = 0 [pid 9490] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9490] setpgid(0, 0) = 0 [pid 9490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9490] write(3, "1000", 4) = 4 [pid 9490] close(3) = 0 executing program [pid 9490] write(1, "executing program\n", 18) = 18 [pid 9490] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9490] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9490] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9490] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9490] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9490] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9491 attached [pid 9491] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9491] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9491] rt_sigprocmask(SIG_SETMASK, [] [pid 9490] <... clone3 resumed> => {parent_tid=[9491]}, 88) = 9491 [pid 9491] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9490] rt_sigprocmask(SIG_SETMASK, [] [pid 9491] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9490] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9490] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9491] <... futex resumed>) = 0 [pid 9490] <... futex resumed>) = 1 [pid 9491] memfd_create("syzkaller", 0) = 3 [pid 9490] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9491] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [ 404.484778][ T9489] EXT4-fs: quotafile must be on filesystem root [pid 9491] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9491] munmap(0x7f0c24913000, 138412032) = 0 [pid 9491] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9491] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9491] close(3) = 0 [pid 9491] close(4) = 0 [pid 9491] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9491] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9491] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9491] ioctl(3, LOOP_CLR_FD) = 0 [pid 9491] close(3) = 0 [pid 9491] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9490] <... futex resumed>) = 0 [pid 9491] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9490] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9491] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9490] <... futex resumed>) = 0 [pid 9490] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9491] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9491] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9490] <... futex resumed>) = 0 [pid 9491] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9490] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9491] <... openat resumed>) = 3 [pid 9490] <... futex resumed>) = 0 [pid 9490] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9491] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9490] <... futex resumed>) = 0 [pid 9491] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9490] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9490] <... futex resumed>) = 0 [pid 9491] pwrite64(3, "\x02\x00", 2, 4 [pid 9490] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9491] <... pwrite64 resumed>) = 2 [pid 9491] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9490] <... futex resumed>) = 0 [pid 9491] <... futex resumed>) = 1 [pid 9490] exit_group(0 [pid 9491] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9490] <... exit_group resumed>) = ? [pid 9491] +++ exited with 0 +++ [pid 9490] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 404.584931][ T9491] EXT4-fs: quotafile must be on filesystem root ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9492 attached , child_tidptr=0x555585adc6d0) = 9492 [pid 9492] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9492] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9492] setpgid(0, 0) = 0 [pid 9492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9492] write(3, "1000", 4) = 4 [pid 9492] close(3) = 0 [pid 9492] write(1, "executing program\n", 18) = 18 executing program [pid 9492] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9492] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9492] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9492] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9493 attached [pid 9493] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9492] <... clone3 resumed> => {parent_tid=[9493]}, 88) = 9493 [pid 9493] <... rseq resumed>) = 0 [pid 9492] rt_sigprocmask(SIG_SETMASK, [] [pid 9493] set_robust_list(0x7f0c2cd339a0, 24 [pid 9492] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9493] <... set_robust_list resumed>) = 0 [pid 9492] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9493] rt_sigprocmask(SIG_SETMASK, [] [pid 9492] <... futex resumed>) = 0 [pid 9493] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9492] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9493] memfd_create("syzkaller", 0) = 3 [pid 9493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9493] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9493] munmap(0x7f0c24913000, 138412032) = 0 [pid 9493] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9493] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9493] close(3) = 0 [pid 9493] close(4) = 0 [pid 9493] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9493] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9493] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9493] ioctl(3, LOOP_CLR_FD) = 0 [pid 9493] close(3) = 0 [pid 9493] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9492] <... futex resumed>) = 0 [pid 9492] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9493] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9492] <... futex resumed>) = 0 [pid 9492] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9493] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9493] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9492] <... futex resumed>) = 0 [pid 9493] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9492] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9493] <... futex resumed>) = 0 [pid 9492] <... futex resumed>) = 1 [pid 9493] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9492] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9493] <... openat resumed>) = 3 [pid 9493] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9492] <... futex resumed>) = 0 [pid 9493] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9492] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9492] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9493] <... futex resumed>) = 0 [pid 9493] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9493] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9492] <... futex resumed>) = 0 [pid 9493] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9492] exit_group(0 [pid 9493] <... futex resumed>) = ? [pid 9492] <... exit_group resumed>) = ? [pid 9493] +++ exited with 0 +++ [pid 9492] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9492, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 404.705524][ T9493] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9494 attached , child_tidptr=0x555585adc6d0) = 9494 [pid 9494] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9494] <... set_robust_list resumed>) = 0 [pid 9494] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9494] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9494] setpgid(0, 0) = 0 [pid 9494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9494] write(3, "1000", 4) = 4 [pid 9494] close(3) = 0 executing program [pid 9494] write(1, "executing program\n", 18) = 18 [pid 9494] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9494] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9494] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9495 attached => {parent_tid=[9495]}, 88) = 9495 [pid 9495] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9494] rt_sigprocmask(SIG_SETMASK, [] [pid 9495] <... rseq resumed>) = 0 [pid 9494] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9495] set_robust_list(0x7f0c2cd339a0, 24 [pid 9494] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9495] <... set_robust_list resumed>) = 0 [pid 9494] <... futex resumed>) = 0 [pid 9495] rt_sigprocmask(SIG_SETMASK, [] [pid 9494] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9495] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9495] memfd_create("syzkaller", 0) = 3 [pid 9495] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9495] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9495] munmap(0x7f0c24913000, 138412032) = 0 [pid 9495] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9495] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9495] close(3) = 0 [pid 9495] close(4) = 0 [pid 9495] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9495] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9495] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9495] ioctl(3, LOOP_CLR_FD) = 0 [pid 9495] close(3) = 0 [pid 9495] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9494] <... futex resumed>) = 0 [pid 9494] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9495] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9494] <... futex resumed>) = 0 [pid 9494] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9495] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9495] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9494] <... futex resumed>) = 0 [pid 9495] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9494] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9495] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9494] <... futex resumed>) = 0 [pid 9494] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9495] <... openat resumed>) = 3 [pid 9495] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9494] <... futex resumed>) = 0 [pid 9495] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9494] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9495] <... futex resumed>) = 0 [pid 9495] pwrite64(3, "\x02\x00", 2, 4 [pid 9494] <... futex resumed>) = 1 [pid 9495] <... pwrite64 resumed>) = 2 [pid 9494] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9495] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9494] <... futex resumed>) = 0 [pid 9495] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9494] exit_group(0) = ? [pid 9495] <... futex resumed>) = ? [pid 9495] +++ exited with 0 +++ [pid 9494] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9494, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 404.816196][ T9495] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9496 attached , child_tidptr=0x555585adc6d0) = 9496 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9496] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9496] setpgid(0, 0) = 0 [pid 9496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9496] write(3, "1000", 4) = 4 [pid 9496] close(3) = 0 [pid 9496] write(1, "executing program\n", 18) = 18 executing program [pid 9496] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9496] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9496] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9496] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9496] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9497 attached => {parent_tid=[9497]}, 88) = 9497 [pid 9497] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9496] rt_sigprocmask(SIG_SETMASK, [] [pid 9497] set_robust_list(0x7f0c2cd339a0, 24 [pid 9496] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9497] <... set_robust_list resumed>) = 0 [pid 9496] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9497] rt_sigprocmask(SIG_SETMASK, [] [pid 9496] <... futex resumed>) = 0 [pid 9497] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9496] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9497] memfd_create("syzkaller", 0) = 3 [pid 9497] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9497] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9497] munmap(0x7f0c24913000, 138412032) = 0 [pid 9497] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9497] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9497] close(3) = 0 [pid 9497] close(4) = 0 [pid 9497] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9497] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9497] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9497] ioctl(3, LOOP_CLR_FD) = 0 [pid 9497] close(3) = 0 [pid 9497] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9496] <... futex resumed>) = 0 [pid 9497] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9496] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9496] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9497] <... futex resumed>) = 0 [pid 9497] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9497] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9496] <... futex resumed>) = 0 [pid 9497] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9496] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9497] <... futex resumed>) = 0 [pid 9496] <... futex resumed>) = 1 [pid 9497] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9496] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9497] <... openat resumed>) = 3 [pid 9497] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9496] <... futex resumed>) = 0 [pid 9496] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9496] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9497] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9497] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9496] <... futex resumed>) = 0 [pid 9497] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9496] exit_group(0 [pid 9497] <... futex resumed>) = ? [pid 9496] <... exit_group resumed>) = ? [pid 9497] +++ exited with 0 +++ [pid 9496] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9496, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9498 attached , child_tidptr=0x555585adc6d0) = 9498 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9498] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9498] <... set_robust_list resumed>) = 0 [pid 9498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 404.928060][ T9497] EXT4-fs: quotafile must be on filesystem root [pid 9498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9498] setpgid(0, 0) = 0 [pid 9498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9498] write(3, "1000", 4) = 4 [pid 9498] close(3) = 0 executing program [pid 9498] write(1, "executing program\n", 18) = 18 [pid 9498] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9498] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9498] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9498] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9498] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9499 attached => {parent_tid=[9499]}, 88) = 9499 [pid 9499] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9499] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9498] rt_sigprocmask(SIG_SETMASK, [] [pid 9499] rt_sigprocmask(SIG_SETMASK, [] [pid 9498] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9499] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9499] memfd_create("syzkaller", 0 [pid 9498] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9499] <... memfd_create resumed>) = 3 [pid 9499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9498] <... futex resumed>) = 0 [pid 9498] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9499] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9499] munmap(0x7f0c24913000, 138412032) = 0 [pid 9499] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9499] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9499] close(3) = 0 [pid 9499] close(4) = 0 [pid 9499] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9499] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9499] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9499] ioctl(3, LOOP_CLR_FD) = 0 [pid 9499] close(3) = 0 [pid 9499] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9498] <... futex resumed>) = 0 [pid 9499] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9498] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9499] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9498] <... futex resumed>) = 0 [pid 9499] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9498] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9499] <... futex resumed>) = 0 [pid 9498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9499] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9498] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9498] <... futex resumed>) = 0 [pid 9499] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9498] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9499] <... openat resumed>) = 3 [pid 9499] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9498] <... futex resumed>) = 0 [pid 9498] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9499] pwrite64(3, "\x02\x00", 2, 4 [pid 9498] <... futex resumed>) = 0 [pid 9499] <... pwrite64 resumed>) = 2 [pid 9498] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9499] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9498] <... futex resumed>) = 0 [pid 9499] <... futex resumed>) = 1 [pid 9498] exit_group(0 [pid 9499] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9498] <... exit_group resumed>) = ? [pid 9499] <... futex resumed>) = ? [pid 9499] +++ exited with 0 +++ [pid 9498] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9498, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9500 ci2-upstream-fs/strace-static-x86_64: Process 9500 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9500] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 405.030797][ T9499] EXT4-fs: quotafile must be on filesystem root [pid 9500] setpgid(0, 0) = 0 [pid 9500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9500] write(3, "1000", 4) = 4 [pid 9500] close(3) = 0 [pid 9500] write(1, "executing program\n", 18) = 18 executing program [pid 9500] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9500] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9500] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9500] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9501 attached => {parent_tid=[9501]}, 88) = 9501 [pid 9501] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9501] <... rseq resumed>) = 0 [pid 9500] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9501] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9501] rt_sigprocmask(SIG_SETMASK, [] [pid 9500] <... futex resumed>) = 0 [pid 9501] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9500] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9501] memfd_create("syzkaller", 0) = 3 [pid 9501] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9501] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9501] munmap(0x7f0c24913000, 138412032) = 0 [pid 9501] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9501] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9501] close(3) = 0 [pid 9501] close(4) = 0 [pid 9501] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9501] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9501] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9501] ioctl(3, LOOP_CLR_FD) = 0 [pid 9501] close(3) = 0 [pid 9501] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9500] <... futex resumed>) = 0 [pid 9501] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9500] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9501] <... futex resumed>) = 0 [pid 9501] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9500] <... futex resumed>) = 1 [pid 9501] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9500] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9501] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9501] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9500] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9500] <... futex resumed>) = 0 [pid 9501] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9500] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9501] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9500] <... futex resumed>) = 0 [pid 9501] <... futex resumed>) = 1 [pid 9500] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9501] pwrite64(3, "\x02\x00", 2, 4 [pid 9500] <... futex resumed>) = 0 [pid 9500] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9501] <... pwrite64 resumed>) = 2 [pid 9501] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9500] <... futex resumed>) = 0 [pid 9501] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9500] exit_group(0 [pid 9501] <... futex resumed>) = ? [pid 9500] <... exit_group resumed>) = ? [pid 9501] +++ exited with 0 +++ [pid 9500] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9500, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9502 attached [ 405.139308][ T9501] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9502 [pid 9502] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9502] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9502] setpgid(0, 0) = 0 [pid 9502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9502] write(3, "1000", 4) = 4 [pid 9502] close(3) = 0 [pid 9502] write(1, "executing program\n", 18) = 18 executing program [pid 9502] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9502] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9502] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9502] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9502] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9503 attached [pid 9503] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9503] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9502] <... clone3 resumed> => {parent_tid=[9503]}, 88) = 9503 [pid 9503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9503] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9502] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9503] <... futex resumed>) = 0 [pid 9502] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9503] memfd_create("syzkaller", 0) = 3 [pid 9503] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9503] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9503] munmap(0x7f0c24913000, 138412032) = 0 [pid 9503] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9503] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9503] close(3) = 0 [pid 9503] close(4) = 0 [pid 9503] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9503] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9503] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9503] ioctl(3, LOOP_CLR_FD) = 0 [pid 9503] close(3) = 0 [pid 9503] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9502] <... futex resumed>) = 0 [pid 9503] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9502] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9502] <... futex resumed>) = 0 [pid 9503] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9502] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9503] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9503] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9502] <... futex resumed>) = 0 [pid 9503] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9502] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9502] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9503] <... futex resumed>) = 0 [pid 9503] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9503] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9502] <... futex resumed>) = 0 [pid 9503] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9502] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9502] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9503] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9503] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9502] <... futex resumed>) = 0 [pid 9503] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9502] exit_group(0 [pid 9503] <... futex resumed>) = ? [pid 9502] <... exit_group resumed>) = ? [pid 9503] +++ exited with 0 +++ [pid 9502] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9504 attached , child_tidptr=0x555585adc6d0) = 9504 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [ 405.265592][ T9503] EXT4-fs: quotafile must be on filesystem root [pid 9504] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9504] <... set_robust_list resumed>) = 0 [pid 9504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9504] setpgid(0, 0) = 0 [pid 9504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9504] write(3, "1000", 4) = 4 [pid 9504] close(3) = 0 [pid 9504] write(1, "executing program\n", 18) = 18 [pid 9504] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9504] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9504] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9504] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9505 attached [pid 9505] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9504] <... clone3 resumed> => {parent_tid=[9505]}, 88) = 9505 [pid 9505] <... rseq resumed>) = 0 [pid 9504] rt_sigprocmask(SIG_SETMASK, [] [pid 9505] set_robust_list(0x7f0c2cd339a0, 24 [pid 9504] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9505] <... set_robust_list resumed>) = 0 [pid 9504] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9504] <... futex resumed>) = 0 [pid 9505] memfd_create("syzkaller", 0 [pid 9504] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9505] <... memfd_create resumed>) = 3 [pid 9505] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9505] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9505] munmap(0x7f0c24913000, 138412032) = 0 [pid 9505] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9505] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9505] close(3) = 0 [pid 9505] close(4) = 0 [pid 9505] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9505] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9505] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9505] ioctl(3, LOOP_CLR_FD) = 0 [pid 9505] close(3) = 0 [pid 9505] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9504] <... futex resumed>) = 0 [pid 9505] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9504] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9504] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9505] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9505] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9504] <... futex resumed>) = 0 [pid 9505] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9504] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9504] <... futex resumed>) = 0 [pid 9505] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9504] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9505] <... openat resumed>) = 3 [pid 9505] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9504] <... futex resumed>) = 0 [pid 9505] <... futex resumed>) = 1 [pid 9505] pwrite64(3, "\x02\x00", 2, 4 [pid 9504] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9505] <... pwrite64 resumed>) = 2 [pid 9504] <... futex resumed>) = 0 [pid 9505] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9504] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9505] <... futex resumed>) = 0 [pid 9504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9505] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9504] exit_group(0 [pid 9505] <... futex resumed>) = ? [pid 9504] <... exit_group resumed>) = ? [pid 9505] +++ exited with 0 +++ [pid 9504] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9504, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9506 ci2-upstream-fs/strace-static-x86_64: Process 9506 attached [ 405.353938][ T9505] EXT4-fs: quotafile must be on filesystem root [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9506] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9506] setpgid(0, 0) = 0 [pid 9506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9506] write(3, "1000", 4) = 4 [pid 9506] close(3) = 0 [pid 9506] write(1, "executing program\n", 18) = 18 [pid 9506] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9506] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9506] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9507 attached [pid 9507] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9506] <... clone3 resumed> => {parent_tid=[9507]}, 88) = 9507 [pid 9507] <... rseq resumed>) = 0 [pid 9507] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9507] rt_sigprocmask(SIG_SETMASK, [] [pid 9506] rt_sigprocmask(SIG_SETMASK, [] [pid 9507] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9507] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9506] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9506] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9506] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9507] memfd_create("syzkaller", 0) = 3 [pid 9507] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9507] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9507] munmap(0x7f0c24913000, 138412032) = 0 [pid 9507] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9507] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9507] close(3) = 0 [pid 9507] close(4) = 0 [pid 9507] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9507] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9507] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9507] ioctl(3, LOOP_CLR_FD) = 0 [pid 9507] close(3) = 0 [pid 9507] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9506] <... futex resumed>) = 0 [pid 9507] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9506] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9506] <... futex resumed>) = 0 [pid 9507] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9506] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9507] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9507] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9506] <... futex resumed>) = 0 [pid 9507] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9506] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9507] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9506] <... futex resumed>) = 0 [pid 9507] <... openat resumed>) = 3 [pid 9506] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9507] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9506] <... futex resumed>) = 0 [pid 9507] <... futex resumed>) = 1 [pid 9506] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9507] pwrite64(3, "\x02\x00", 2, 4 [pid 9506] <... futex resumed>) = 0 [pid 9507] <... pwrite64 resumed>) = 2 [pid 9506] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9507] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9507] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9506] exit_group(0 [pid 9507] <... futex resumed>) = ? [pid 9506] <... exit_group resumed>) = ? [pid 9507] +++ exited with 0 +++ [pid 9506] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9506, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 405.483039][ T9507] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9508 ci2-upstream-fs/strace-static-x86_64: Process 9508 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9508] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9508] setpgid(0, 0) = 0 [pid 9508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9508] write(3, "1000", 4) = 4 [pid 9508] close(3) = 0 executing program [pid 9508] write(1, "executing program\n", 18) = 18 [pid 9508] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9508] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9508] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9508] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9508] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9509 attached [pid 9509] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9508] <... clone3 resumed> => {parent_tid=[9509]}, 88) = 9509 [pid 9509] set_robust_list(0x7f0c2cd339a0, 24 [pid 9508] rt_sigprocmask(SIG_SETMASK, [] [pid 9509] <... set_robust_list resumed>) = 0 [pid 9509] rt_sigprocmask(SIG_SETMASK, [] [pid 9508] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9509] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9508] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9509] memfd_create("syzkaller", 0) = 3 [pid 9508] <... futex resumed>) = 0 [pid 9509] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 9508] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9509] <... mmap resumed>) = 0x7f0c24913000 [pid 9509] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9509] munmap(0x7f0c24913000, 138412032) = 0 [pid 9509] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9509] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9509] close(3) = 0 [pid 9509] close(4) = 0 [pid 9509] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9509] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9509] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9509] ioctl(3, LOOP_CLR_FD) = 0 [pid 9509] close(3) = 0 [pid 9509] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9508] <... futex resumed>) = 0 [pid 9509] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9508] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9509] <... futex resumed>) = 0 [pid 9508] <... futex resumed>) = 1 [pid 9509] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9508] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9509] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9509] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9508] <... futex resumed>) = 0 [pid 9509] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9508] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9509] <... futex resumed>) = 0 [pid 9508] <... futex resumed>) = 1 [pid 9509] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9508] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9509] <... openat resumed>) = 3 [pid 9509] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9508] <... futex resumed>) = 0 [pid 9509] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9508] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9509] pwrite64(3, "\x02\x00", 2, 4 [pid 9508] <... futex resumed>) = 0 [pid 9509] <... pwrite64 resumed>) = 2 [pid 9508] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9509] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9509] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9508] exit_group(0) = ? [pid 9509] <... futex resumed>) = ? [pid 9509] +++ exited with 0 +++ [pid 9508] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9508, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9510 attached [pid 9510] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9510 [pid 9510] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9510] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9510] setpgid(0, 0) = 0 [pid 9510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9510] write(3, "1000", 4) = 4 [pid 9510] close(3) = 0 [pid 9510] write(1, "executing program\n", 18) = 18 executing program [pid 9510] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9510] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9510] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9510] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9511 attached [ 405.591733][ T9509] EXT4-fs: quotafile must be on filesystem root [pid 9511] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9510] <... clone3 resumed> => {parent_tid=[9511]}, 88) = 9511 [pid 9511] set_robust_list(0x7f0c2cd339a0, 24 [pid 9510] rt_sigprocmask(SIG_SETMASK, [] [pid 9511] <... set_robust_list resumed>) = 0 [pid 9510] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9510] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9511] rt_sigprocmask(SIG_SETMASK, [] [pid 9510] <... futex resumed>) = 0 [pid 9511] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9511] memfd_create("syzkaller", 0) = 3 [pid 9510] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9511] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9511] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9511] munmap(0x7f0c24913000, 138412032) = 0 [pid 9511] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9511] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9511] close(3) = 0 [pid 9511] close(4) = 0 [pid 9511] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9511] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9511] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9511] ioctl(3, LOOP_CLR_FD) = 0 [pid 9511] close(3) = 0 [pid 9511] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9510] <... futex resumed>) = 0 [pid 9510] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9511] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9510] <... futex resumed>) = 0 [pid 9510] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9511] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9511] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9510] <... futex resumed>) = 0 [pid 9511] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9510] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9510] <... futex resumed>) = 0 [pid 9511] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9510] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9511] <... openat resumed>) = 3 [pid 9511] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9510] <... futex resumed>) = 0 [pid 9511] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9510] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9510] <... futex resumed>) = 0 [pid 9511] pwrite64(3, "\x02\x00", 2, 4 [pid 9510] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9511] <... pwrite64 resumed>) = 2 [pid 9511] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9510] <... futex resumed>) = 0 [pid 9511] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9510] exit_group(0 [pid 9511] <... futex resumed>) = ? [pid 9510] <... exit_group resumed>) = ? [pid 9511] +++ exited with 0 +++ [pid 9510] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9510, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9512 attached , child_tidptr=0x555585adc6d0) = 9512 [pid 9512] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [ 405.677094][ T9511] EXT4-fs: quotafile must be on filesystem root [pid 9512] <... set_robust_list resumed>) = 0 [pid 9512] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9512] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9512] setpgid(0, 0) = 0 [pid 9512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9512] write(3, "1000", 4) = 4 [pid 9512] close(3) = 0 [pid 9512] write(1, "executing program\n", 18) = 18 executing program [pid 9512] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9512] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9512] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9512] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9512] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9513 attached [pid 9513] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9512] <... clone3 resumed> => {parent_tid=[9513]}, 88) = 9513 [pid 9513] <... rseq resumed>) = 0 [pid 9512] rt_sigprocmask(SIG_SETMASK, [] [pid 9513] set_robust_list(0x7f0c2cd339a0, 24 [pid 9512] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9513] <... set_robust_list resumed>) = 0 [pid 9513] rt_sigprocmask(SIG_SETMASK, [] [pid 9512] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9513] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9512] <... futex resumed>) = 0 [pid 9513] memfd_create("syzkaller", 0 [pid 9512] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9513] <... memfd_create resumed>) = 3 [pid 9513] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9513] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9513] munmap(0x7f0c24913000, 138412032) = 0 [pid 9513] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9513] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9513] close(3) = 0 [pid 9513] close(4) = 0 [pid 9513] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9513] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9513] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9513] ioctl(3, LOOP_CLR_FD) = 0 [pid 9513] close(3) = 0 [pid 9513] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9512] <... futex resumed>) = 0 [pid 9513] <... futex resumed>) = 1 [pid 9512] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9513] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9512] <... futex resumed>) = 0 [pid 9513] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9512] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9513] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9512] <... futex resumed>) = 0 [pid 9512] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9513] <... futex resumed>) = 1 [pid 9512] <... futex resumed>) = 0 [pid 9513] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9512] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9513] <... openat resumed>) = 3 [pid 9513] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9512] <... futex resumed>) = 0 [pid 9513] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9512] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9512] <... futex resumed>) = 0 [pid 9513] pwrite64(3, "\x02\x00", 2, 4 [pid 9512] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9513] <... pwrite64 resumed>) = 2 [pid 9513] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9512] <... futex resumed>) = 0 [pid 9513] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9512] exit_group(0 [pid 9513] <... futex resumed>) = ? [pid 9512] <... exit_group resumed>) = ? [pid 9513] +++ exited with 0 +++ [pid 9512] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9512, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 405.789023][ T9513] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9514 attached , child_tidptr=0x555585adc6d0) = 9514 [pid 9514] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9514] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9514] setpgid(0, 0) = 0 [pid 9514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9514] write(3, "1000", 4) = 4 [pid 9514] close(3) = 0 [pid 9514] write(1, "executing program\n", 18) = 18 [pid 9514] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9514] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9514] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9514] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9514] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9514] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9515 attached [pid 9515] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9514] <... clone3 resumed> => {parent_tid=[9515]}, 88) = 9515 [pid 9515] <... rseq resumed>) = 0 [pid 9514] rt_sigprocmask(SIG_SETMASK, [] [pid 9515] set_robust_list(0x7f0c2cd339a0, 24 [pid 9514] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9515] <... set_robust_list resumed>) = 0 [pid 9514] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9515] rt_sigprocmask(SIG_SETMASK, [] [pid 9514] <... futex resumed>) = 0 [pid 9515] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9514] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9515] memfd_create("syzkaller", 0) = 3 [pid 9515] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9515] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9515] munmap(0x7f0c24913000, 138412032) = 0 [pid 9515] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9515] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9515] close(3) = 0 [pid 9515] close(4) = 0 [pid 9515] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9515] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9515] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9515] ioctl(3, LOOP_CLR_FD) = 0 [pid 9515] close(3) = 0 [pid 9515] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9514] <... futex resumed>) = 0 [pid 9515] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9514] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9514] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9515] <... futex resumed>) = 0 [pid 9515] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9515] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9514] <... futex resumed>) = 0 [pid 9515] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9514] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9514] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9515] <... futex resumed>) = 0 [pid 9515] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9515] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9515] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9514] <... futex resumed>) = 0 [pid 9514] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9515] <... futex resumed>) = 0 [pid 9514] <... futex resumed>) = 1 [pid 9515] pwrite64(3, "\x02\x00", 2, 4 [pid 9514] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9515] <... pwrite64 resumed>) = 2 [pid 9515] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9514] <... futex resumed>) = 0 [pid 9515] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9514] exit_group(0 [pid 9515] <... futex resumed>) = ? [pid 9514] <... exit_group resumed>) = ? [pid 9515] +++ exited with 0 +++ [pid 9514] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9516 ci2-upstream-fs/strace-static-x86_64: Process 9516 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9516] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9516] setpgid(0, 0) = 0 [pid 9516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9516] write(3, "1000", 4) = 4 [pid 9516] close(3) = 0 [ 405.964199][ T9515] EXT4-fs: quotafile must be on filesystem root executing program [pid 9516] write(1, "executing program\n", 18) = 18 [pid 9516] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9516] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9516] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9516] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9516] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9517 attached [pid 9517] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9516] <... clone3 resumed> => {parent_tid=[9517]}, 88) = 9517 [pid 9517] <... rseq resumed>) = 0 [pid 9516] rt_sigprocmask(SIG_SETMASK, [] [pid 9517] set_robust_list(0x7f0c2cd339a0, 24 [pid 9516] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9517] <... set_robust_list resumed>) = 0 [pid 9517] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9516] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9517] memfd_create("syzkaller", 0 [pid 9516] <... futex resumed>) = 0 [pid 9516] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9517] <... memfd_create resumed>) = 3 [pid 9517] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9517] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9517] munmap(0x7f0c24913000, 138412032) = 0 [pid 9517] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9517] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9517] close(3) = 0 [pid 9517] close(4) = 0 [pid 9517] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9517] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9517] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9517] ioctl(3, LOOP_CLR_FD) = 0 [pid 9517] close(3) = 0 [pid 9517] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9516] <... futex resumed>) = 0 [pid 9517] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9516] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9517] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9516] <... futex resumed>) = 0 [pid 9517] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9516] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9517] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9516] <... futex resumed>) = 0 [pid 9516] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9517] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9516] <... futex resumed>) = 0 [pid 9516] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9517] <... openat resumed>) = 3 [pid 9517] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9516] <... futex resumed>) = 0 [pid 9516] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9517] pwrite64(3, "\x02\x00", 2, 4 [pid 9516] <... futex resumed>) = 0 [pid 9517] <... pwrite64 resumed>) = 2 [pid 9516] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9517] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9516] <... futex resumed>) = 0 [pid 9517] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9516] exit_group(0) = ? [pid 9517] <... futex resumed>) = ? [pid 9517] +++ exited with 0 +++ [pid 9516] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9516, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [ 406.078433][ T9517] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9518 rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 9518 attached , NULL, 8) = 0 [pid 9518] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9518] setpgid(0, 0) = 0 [pid 9518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9518] write(3, "1000", 4) = 4 [pid 9518] close(3) = 0 [pid 9518] write(1, "executing program\n", 18) = 18 executing program [pid 9518] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9518] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9518] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9518] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9518] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9519 attached [pid 9519] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9518] <... clone3 resumed> => {parent_tid=[9519]}, 88) = 9519 [pid 9519] <... rseq resumed>) = 0 [pid 9519] set_robust_list(0x7f0c2cd339a0, 24 [pid 9518] rt_sigprocmask(SIG_SETMASK, [] [pid 9519] <... set_robust_list resumed>) = 0 [pid 9518] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9519] rt_sigprocmask(SIG_SETMASK, [] [pid 9518] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9519] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9518] <... futex resumed>) = 0 [pid 9519] memfd_create("syzkaller", 0) = 3 [pid 9518] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9519] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9519] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9519] munmap(0x7f0c24913000, 138412032) = 0 [pid 9519] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9519] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9519] close(3) = 0 [pid 9519] close(4) = 0 [pid 9519] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9519] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9519] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9519] ioctl(3, LOOP_CLR_FD) = 0 [pid 9519] close(3) = 0 [pid 9519] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9518] <... futex resumed>) = 0 [pid 9519] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9518] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9519] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9518] <... futex resumed>) = 0 [pid 9518] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9519] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9519] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9518] <... futex resumed>) = 0 [pid 9519] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9518] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9518] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9519] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9519] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9518] <... futex resumed>) = 0 [pid 9519] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9518] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9518] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9519] <... futex resumed>) = 0 [pid 9519] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9519] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9518] <... futex resumed>) = 0 [pid 9519] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9518] exit_group(0 [pid 9519] <... futex resumed>) = ? [pid 9518] <... exit_group resumed>) = ? [pid 9519] +++ exited with 0 +++ [ 406.208466][ T9519] EXT4-fs: quotafile must be on filesystem root [pid 9518] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9518, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9520 attached , child_tidptr=0x555585adc6d0) = 9520 [pid 9520] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9520] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9520] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9520] setpgid(0, 0) = 0 [pid 9520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9520] write(3, "1000", 4) = 4 [pid 9520] close(3) = 0 executing program [pid 9520] write(1, "executing program\n", 18) = 18 [pid 9520] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9520] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9520] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9520] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9520] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9521 attached => {parent_tid=[9521]}, 88) = 9521 [pid 9521] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9520] rt_sigprocmask(SIG_SETMASK, [] [pid 9521] set_robust_list(0x7f0c2cd339a0, 24 [pid 9520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9521] <... set_robust_list resumed>) = 0 [pid 9520] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9521] rt_sigprocmask(SIG_SETMASK, [] [pid 9520] <... futex resumed>) = 0 [pid 9521] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9520] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9521] memfd_create("syzkaller", 0) = 3 [pid 9521] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9521] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9521] munmap(0x7f0c24913000, 138412032) = 0 [pid 9521] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9521] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9521] close(3) = 0 [pid 9521] close(4) = 0 [pid 9521] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9521] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9521] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9521] ioctl(3, LOOP_CLR_FD) = 0 [pid 9521] close(3) = 0 [pid 9521] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9520] <... futex resumed>) = 0 [pid 9521] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9520] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9521] <... futex resumed>) = 0 [pid 9520] <... futex resumed>) = 1 [pid 9521] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9520] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9521] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9521] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9520] <... futex resumed>) = 0 [pid 9521] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9520] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9521] <... futex resumed>) = 0 [pid 9520] <... futex resumed>) = 1 [pid 9521] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9520] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9521] <... openat resumed>) = 3 [pid 9521] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9520] <... futex resumed>) = 0 [pid 9521] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9520] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9520] <... futex resumed>) = 0 [pid 9520] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9521] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9521] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9520] <... futex resumed>) = 0 [pid 9521] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9520] exit_group(0) = ? [pid 9521] <... futex resumed>) = ? [pid 9521] +++ exited with 0 +++ [pid 9520] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9520, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 406.331094][ T9521] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9522 attached , child_tidptr=0x555585adc6d0) = 9522 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9522] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9522] <... set_robust_list resumed>) = 0 [pid 9522] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9522] setpgid(0, 0) = 0 [pid 9522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9522] write(3, "1000", 4) = 4 [pid 9522] close(3) = 0 [pid 9522] write(1, "executing program\n", 18) = 18 executing program [pid 9522] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9522] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9522] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9522] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9522] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9523 attached [pid 9523] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9522] <... clone3 resumed> => {parent_tid=[9523]}, 88) = 9523 [pid 9523] <... rseq resumed>) = 0 [pid 9522] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9522] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9522] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9523] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9523] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9523] memfd_create("syzkaller", 0) = 3 [pid 9523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9523] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9523] munmap(0x7f0c24913000, 138412032) = 0 [pid 9523] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9523] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9523] close(3) = 0 [pid 9523] close(4) = 0 [pid 9523] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9523] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9523] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9523] ioctl(3, LOOP_CLR_FD) = 0 [pid 9523] close(3) = 0 [pid 9523] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9523] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9522] <... futex resumed>) = 0 [pid 9522] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9523] <... futex resumed>) = 0 [pid 9522] <... futex resumed>) = 1 [pid 9523] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9522] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9523] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9523] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9522] <... futex resumed>) = 0 [pid 9523] <... futex resumed>) = 1 [pid 9522] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9523] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9522] <... futex resumed>) = 0 [pid 9523] <... openat resumed>) = 3 [pid 9522] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9523] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9522] <... futex resumed>) = 0 [pid 9522] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9523] pwrite64(3, "\x02\x00", 2, 4 [pid 9522] <... futex resumed>) = 0 [pid 9523] <... pwrite64 resumed>) = 2 [pid 9522] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9523] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9522] <... futex resumed>) = 0 [pid 9523] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9522] exit_group(0 [pid 9523] <... futex resumed>) = ? [pid 9522] <... exit_group resumed>) = ? [pid 9523] +++ exited with 0 +++ [pid 9522] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9524 attached , child_tidptr=0x555585adc6d0) = 9524 [pid 9524] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9524] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9524] setpgid(0, 0) = 0 [pid 9524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9524] write(3, "1000", 4) = 4 [pid 9524] close(3) = 0 [pid 9524] write(1, "executing program\n", 18) = 18 executing program [pid 9524] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9524] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [ 406.480974][ T9523] EXT4-fs: quotafile must be on filesystem root [pid 9524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9524] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9525 attached [pid 9525] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9524] <... clone3 resumed> => {parent_tid=[9525]}, 88) = 9525 [pid 9524] rt_sigprocmask(SIG_SETMASK, [] [pid 9525] <... rseq resumed>) = 0 [pid 9524] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9525] set_robust_list(0x7f0c2cd339a0, 24 [pid 9524] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9525] <... set_robust_list resumed>) = 0 [pid 9524] <... futex resumed>) = 0 [pid 9525] rt_sigprocmask(SIG_SETMASK, [] [pid 9524] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9525] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9525] memfd_create("syzkaller", 0) = 3 [pid 9525] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9525] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9525] munmap(0x7f0c24913000, 138412032) = 0 [pid 9525] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9525] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9525] close(3) = 0 [pid 9525] close(4) = 0 [pid 9525] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9525] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9525] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9525] ioctl(3, LOOP_CLR_FD) = 0 [pid 9525] close(3) = 0 [pid 9525] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9524] <... futex resumed>) = 0 [pid 9525] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9524] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9525] <... futex resumed>) = 0 [pid 9524] <... futex resumed>) = 1 [pid 9525] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9524] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9525] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9524] <... futex resumed>) = 0 [pid 9525] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9524] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9525] <... openat resumed>) = 3 [pid 9524] <... futex resumed>) = 0 [pid 9524] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9525] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9524] <... futex resumed>) = 0 [pid 9525] <... futex resumed>) = 1 [pid 9524] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9525] pwrite64(3, "\x02\x00", 2, 4 [pid 9524] <... futex resumed>) = 0 [pid 9525] <... pwrite64 resumed>) = 2 [pid 9524] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9525] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9524] <... futex resumed>) = 0 [pid 9525] <... futex resumed>) = 1 [pid 9524] exit_group(0 [pid 9525] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9524] <... exit_group resumed>) = ? [pid 9525] <... futex resumed>) = ? [pid 9525] +++ exited with 0 +++ [pid 9524] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9524, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 406.575403][ T9525] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9526 attached , child_tidptr=0x555585adc6d0) = 9526 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9526] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9526] <... set_robust_list resumed>) = 0 [pid 9526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9526] setpgid(0, 0) = 0 [pid 9526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9526] write(3, "1000", 4) = 4 [pid 9526] close(3) = 0 [pid 9526] write(1, "executing program\n", 18) = 18 executing program [pid 9526] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9526] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9526] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9526] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9526] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9526] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9527]}, 88) = 9527 ci2-upstream-fs/strace-static-x86_64: Process 9527 attached [pid 9526] rt_sigprocmask(SIG_SETMASK, [] [pid 9527] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9526] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9527] <... rseq resumed>) = 0 [pid 9527] set_robust_list(0x7f0c2cd339a0, 24 [pid 9526] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9527] <... set_robust_list resumed>) = 0 [pid 9526] <... futex resumed>) = 0 [pid 9527] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9527] memfd_create("syzkaller", 0 [pid 9526] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9527] <... memfd_create resumed>) = 3 [pid 9527] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9527] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9527] munmap(0x7f0c24913000, 138412032) = 0 [pid 9527] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9527] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9527] close(3) = 0 [pid 9527] close(4) = 0 [pid 9527] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9527] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9527] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9527] ioctl(3, LOOP_CLR_FD) = 0 [pid 9527] close(3) = 0 [pid 9527] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9527] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9526] <... futex resumed>) = 0 [pid 9527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9526] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9527] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9526] <... futex resumed>) = 0 [pid 9527] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9526] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9527] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9526] <... futex resumed>) = 0 [pid 9526] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9527] <... futex resumed>) = 1 [pid 9526] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9527] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9527] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9526] <... futex resumed>) = 0 [pid 9526] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9527] pwrite64(3, "\x02\x00", 2, 4 [pid 9526] <... futex resumed>) = 0 [pid 9527] <... pwrite64 resumed>) = 2 [pid 9526] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9527] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9526] <... futex resumed>) = 0 [pid 9527] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9526] exit_group(0 [pid 9527] <... futex resumed>) = ? [pid 9526] <... exit_group resumed>) = ? [pid 9527] +++ exited with 0 +++ [pid 9526] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9528 attached [ 406.729642][ T9527] EXT4-fs: quotafile must be on filesystem root [pid 9528] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9528 [pid 9528] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9528] setpgid(0, 0) = 0 [pid 9528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9528] write(3, "1000", 4) = 4 [pid 9528] close(3) = 0 [pid 9528] write(1, "executing program\n", 18) = 18 executing program [pid 9528] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9528] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9528] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9528] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9528] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9529 attached => {parent_tid=[9529]}, 88) = 9529 [pid 9528] rt_sigprocmask(SIG_SETMASK, [] [pid 9529] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9528] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9528] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9528] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9529] <... rseq resumed>) = 0 [pid 9529] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9529] memfd_create("syzkaller", 0) = 3 [pid 9529] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9529] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9529] munmap(0x7f0c24913000, 138412032) = 0 [pid 9529] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9529] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9529] close(3) = 0 [pid 9529] close(4) = 0 [pid 9529] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9529] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9529] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9529] ioctl(3, LOOP_CLR_FD) = 0 [pid 9529] close(3) = 0 [pid 9529] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9528] <... futex resumed>) = 0 [pid 9529] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9528] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9528] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9529] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9529] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9528] <... futex resumed>) = 0 [pid 9528] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9528] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9529] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9529] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9528] <... futex resumed>) = 0 [pid 9529] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9528] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9529] <... futex resumed>) = 0 [pid 9528] <... futex resumed>) = 1 [pid 9529] pwrite64(3, "\x02\x00", 2, 4 [pid 9528] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9529] <... pwrite64 resumed>) = 2 [pid 9529] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9528] <... futex resumed>) = 0 [pid 9529] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9528] exit_group(0) = ? [pid 9529] <... futex resumed>) = ? [pid 9529] +++ exited with 0 +++ [pid 9528] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9528, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 406.837151][ T9529] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9530 attached , child_tidptr=0x555585adc6d0) = 9530 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9530] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9530] <... set_robust_list resumed>) = 0 [pid 9530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9530] setpgid(0, 0) = 0 [pid 9530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9530] write(3, "1000", 4) = 4 [pid 9530] close(3) = 0 executing program [pid 9530] write(1, "executing program\n", 18) = 18 [pid 9530] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9530] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9530] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9530] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9531 attached [pid 9531] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9530] <... clone3 resumed> => {parent_tid=[9531]}, 88) = 9531 [pid 9531] set_robust_list(0x7f0c2cd339a0, 24 [pid 9530] rt_sigprocmask(SIG_SETMASK, [] [pid 9531] <... set_robust_list resumed>) = 0 [pid 9530] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9531] rt_sigprocmask(SIG_SETMASK, [] [pid 9530] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9531] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9531] memfd_create("syzkaller", 0 [pid 9530] <... futex resumed>) = 0 [pid 9530] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9531] <... memfd_create resumed>) = 3 [pid 9531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9531] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9531] munmap(0x7f0c24913000, 138412032) = 0 [pid 9531] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9531] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9531] close(3) = 0 [pid 9531] close(4) = 0 [pid 9531] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9531] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9531] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9531] ioctl(3, LOOP_CLR_FD) = 0 [pid 9531] close(3) = 0 [pid 9531] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9531] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9530] <... futex resumed>) = 0 [pid 9530] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9531] <... futex resumed>) = 0 [pid 9530] <... futex resumed>) = 1 [pid 9531] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9530] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9531] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9530] <... futex resumed>) = 0 [pid 9531] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9530] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9531] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9530] <... futex resumed>) = 0 [pid 9531] <... openat resumed>) = 3 [pid 9531] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9530] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9531] <... futex resumed>) = 0 [pid 9531] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9530] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9531] <... futex resumed>) = 0 [pid 9530] <... futex resumed>) = 1 [pid 9531] pwrite64(3, "\x02\x00", 2, 4 [pid 9530] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9531] <... pwrite64 resumed>) = 2 [pid 9531] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9531] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9530] <... futex resumed>) = 0 [pid 9530] exit_group(0 [pid 9531] <... futex resumed>) = ? [pid 9531] +++ exited with 0 +++ [pid 9530] <... exit_group resumed>) = ? [pid 9530] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9530, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9532 attached , child_tidptr=0x555585adc6d0) = 9532 [pid 9532] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9532] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9532] setpgid(0, 0) = 0 [ 406.985270][ T9531] EXT4-fs: quotafile must be on filesystem root [pid 9532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9532] write(3, "1000", 4) = 4 [pid 9532] close(3) = 0 [pid 9532] write(1, "executing program\n", 18) = 18 executing program [pid 9532] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9532] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9532] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9532] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9532] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9533 attached [pid 9533] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9532] <... clone3 resumed> => {parent_tid=[9533]}, 88) = 9533 [pid 9533] <... rseq resumed>) = 0 [pid 9533] set_robust_list(0x7f0c2cd339a0, 24 [pid 9532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9533] <... set_robust_list resumed>) = 0 [pid 9532] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9533] rt_sigprocmask(SIG_SETMASK, [] [pid 9532] <... futex resumed>) = 0 [pid 9533] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9533] memfd_create("syzkaller", 0 [pid 9532] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9533] <... memfd_create resumed>) = 3 [pid 9533] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9533] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9533] munmap(0x7f0c24913000, 138412032) = 0 [pid 9533] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9533] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9533] close(3) = 0 [pid 9533] close(4) = 0 [pid 9533] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9533] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9533] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9533] ioctl(3, LOOP_CLR_FD) = 0 [pid 9533] close(3) = 0 [pid 9533] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9532] <... futex resumed>) = 0 [pid 9532] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9533] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9532] <... futex resumed>) = 0 [pid 9533] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9532] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9533] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9532] <... futex resumed>) = 0 [pid 9532] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9533] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9532] <... futex resumed>) = 0 [pid 9533] <... openat resumed>) = 3 [pid 9532] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9533] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9532] <... futex resumed>) = 0 [pid 9533] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9532] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9532] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9533] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9533] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9532] <... futex resumed>) = 0 [pid 9533] <... futex resumed>) = 1 [pid 9532] exit_group(0 [pid 9533] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9532] <... exit_group resumed>) = ? [pid 9533] <... futex resumed>) = ? [pid 9533] +++ exited with 0 +++ [pid 9532] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 407.085373][ T9533] EXT4-fs: quotafile must be on filesystem root close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9534 attached , child_tidptr=0x555585adc6d0) = 9534 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9534] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9534] setpgid(0, 0) = 0 [pid 9534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9534] write(3, "1000", 4) = 4 [pid 9534] close(3) = 0 [pid 9534] write(1, "executing program\n", 18) = 18 executing program [pid 9534] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9534] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9534] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9534] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9535 attached [pid 9535] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9534] <... clone3 resumed> => {parent_tid=[9535]}, 88) = 9535 [pid 9535] <... rseq resumed>) = 0 [pid 9534] rt_sigprocmask(SIG_SETMASK, [] [pid 9535] set_robust_list(0x7f0c2cd339a0, 24 [pid 9534] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9535] <... set_robust_list resumed>) = 0 [pid 9535] rt_sigprocmask(SIG_SETMASK, [] [pid 9534] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9535] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9534] <... futex resumed>) = 0 [pid 9535] memfd_create("syzkaller", 0 [pid 9534] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9535] <... memfd_create resumed>) = 3 [pid 9535] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9535] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9535] munmap(0x7f0c24913000, 138412032) = 0 [pid 9535] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9535] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9535] close(3) = 0 [pid 9535] close(4) = 0 [pid 9535] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9535] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9535] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9535] ioctl(3, LOOP_CLR_FD) = 0 [pid 9535] close(3) = 0 [pid 9535] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9534] <... futex resumed>) = 0 [pid 9535] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9534] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9534] <... futex resumed>) = 0 [pid 9535] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9534] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9535] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9535] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9534] <... futex resumed>) = 0 [pid 9535] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9534] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9534] <... futex resumed>) = 0 [pid 9535] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9534] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9535] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9535] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9534] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9535] <... futex resumed>) = 0 [pid 9534] <... futex resumed>) = 1 [pid 9534] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9535] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9535] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9534] <... futex resumed>) = 0 [pid 9535] <... futex resumed>) = 1 [pid 9534] exit_group(0) = ? [pid 9535] +++ exited with 0 +++ [pid 9534] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9534, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 407.222056][ T9535] EXT4-fs: quotafile must be on filesystem root close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9536 attached , child_tidptr=0x555585adc6d0) = 9536 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9536] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9536] <... set_robust_list resumed>) = 0 [pid 9536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9536] setpgid(0, 0) = 0 [pid 9536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9536] write(3, "1000", 4) = 4 [pid 9536] close(3) = 0 [pid 9536] write(1, "executing program\n", 18) = 18 executing program [pid 9536] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9536] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9536] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9537 attached => {parent_tid=[9537]}, 88) = 9537 [pid 9537] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9536] rt_sigprocmask(SIG_SETMASK, [] [pid 9537] <... rseq resumed>) = 0 [pid 9536] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9537] set_robust_list(0x7f0c2cd339a0, 24 [pid 9536] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9537] <... set_robust_list resumed>) = 0 [pid 9536] <... futex resumed>) = 0 [pid 9537] rt_sigprocmask(SIG_SETMASK, [] [pid 9536] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9537] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9537] memfd_create("syzkaller", 0) = 3 [pid 9537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9537] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9537] munmap(0x7f0c24913000, 138412032) = 0 [pid 9537] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9537] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9537] close(3) = 0 [pid 9537] close(4) = 0 [pid 9537] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9537] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9537] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9537] ioctl(3, LOOP_CLR_FD) = 0 [pid 9537] close(3) = 0 [pid 9537] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9537] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9536] <... futex resumed>) = 0 [pid 9536] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9537] <... futex resumed>) = 0 [pid 9536] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9537] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9537] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9536] <... futex resumed>) = 0 [pid 9536] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9537] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9536] <... futex resumed>) = 0 [pid 9536] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9537] <... openat resumed>) = 3 [pid 9537] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9536] <... futex resumed>) = 0 [pid 9537] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9536] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9537] pwrite64(3, "\x02\x00", 2, 4 [pid 9536] <... futex resumed>) = 0 [pid 9537] <... pwrite64 resumed>) = 2 [pid 9536] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9537] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9536] <... futex resumed>) = 0 [pid 9537] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9536] exit_group(0 [pid 9537] <... futex resumed>) = ? [pid 9536] <... exit_group resumed>) = ? [pid 9537] +++ exited with 0 +++ [pid 9536] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9536, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9538 attached , child_tidptr=0x555585adc6d0) = 9538 [pid 9538] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9538] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9538] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 407.341882][ T9537] EXT4-fs: quotafile must be on filesystem root [pid 9538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9538] setpgid(0, 0) = 0 [pid 9538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9538] write(3, "1000", 4) = 4 [pid 9538] close(3) = 0 [pid 9538] write(1, "executing program\n", 18) = 18 executing program [pid 9538] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9538] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9538] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9538] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9538] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9538] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9539 attached [pid 9539] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9538] <... clone3 resumed> => {parent_tid=[9539]}, 88) = 9539 [pid 9539] <... rseq resumed>) = 0 [pid 9538] rt_sigprocmask(SIG_SETMASK, [] [pid 9539] set_robust_list(0x7f0c2cd339a0, 24 [pid 9538] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9539] <... set_robust_list resumed>) = 0 [pid 9538] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9539] rt_sigprocmask(SIG_SETMASK, [] [pid 9538] <... futex resumed>) = 0 [pid 9539] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9538] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9539] memfd_create("syzkaller", 0) = 3 [pid 9539] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9539] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9539] munmap(0x7f0c24913000, 138412032) = 0 [pid 9539] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9539] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9539] close(3) = 0 [pid 9539] close(4) = 0 [pid 9539] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9539] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9539] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9539] ioctl(3, LOOP_CLR_FD) = 0 [pid 9539] close(3) = 0 [pid 9539] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9538] <... futex resumed>) = 0 [pid 9539] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9538] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9538] <... futex resumed>) = 0 [pid 9539] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9538] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9539] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9539] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9538] <... futex resumed>) = 0 [pid 9539] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9538] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9538] <... futex resumed>) = 0 [pid 9539] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9538] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9539] <... openat resumed>) = 3 [pid 9539] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9538] <... futex resumed>) = 0 [pid 9539] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9538] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9538] <... futex resumed>) = 0 [pid 9539] pwrite64(3, "\x02\x00", 2, 4 [pid 9538] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9539] <... pwrite64 resumed>) = 2 [pid 9539] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9538] <... futex resumed>) = 0 [pid 9538] exit_group(0 [pid 9539] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9538] <... exit_group resumed>) = ? [pid 9539] +++ exited with 0 +++ [pid 9538] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9540 attached , child_tidptr=0x555585adc6d0) = 9540 [pid 9540] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9540] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 407.431551][ T9539] EXT4-fs: quotafile must be on filesystem root [pid 9540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9540] setpgid(0, 0) = 0 [pid 9540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9540] write(3, "1000", 4) = 4 [pid 9540] close(3) = 0 [pid 9540] write(1, "executing program\n", 18) = 18 executing program [pid 9540] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9540] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9540] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9540] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9540] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9541 attached [pid 9541] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9540] <... clone3 resumed> => {parent_tid=[9541]}, 88) = 9541 [pid 9541] <... rseq resumed>) = 0 [pid 9541] set_robust_list(0x7f0c2cd339a0, 24 [pid 9540] rt_sigprocmask(SIG_SETMASK, [] [pid 9541] <... set_robust_list resumed>) = 0 [pid 9540] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9541] rt_sigprocmask(SIG_SETMASK, [] [pid 9540] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9541] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9540] <... futex resumed>) = 0 [pid 9541] memfd_create("syzkaller", 0 [pid 9540] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9541] <... memfd_create resumed>) = 3 [pid 9541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9541] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9541] munmap(0x7f0c24913000, 138412032) = 0 [pid 9541] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9541] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9541] close(3) = 0 [pid 9541] close(4) = 0 [pid 9541] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9541] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9541] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9541] ioctl(3, LOOP_CLR_FD) = 0 [pid 9541] close(3) = 0 [pid 9541] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9541] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9540] <... futex resumed>) = 0 [pid 9540] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9540] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9541] <... futex resumed>) = 0 [pid 9541] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9541] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9540] <... futex resumed>) = 0 [pid 9540] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9541] <... futex resumed>) = 1 [pid 9540] <... futex resumed>) = 0 [pid 9541] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9540] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9541] <... openat resumed>) = 3 [pid 9541] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9540] <... futex resumed>) = 0 [pid 9541] pwrite64(3, "\x02\x00", 2, 4 [pid 9540] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9540] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9541] <... pwrite64 resumed>) = 2 [pid 9541] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9540] <... futex resumed>) = 0 [pid 9540] exit_group(0) = ? [pid 9541] +++ exited with 0 +++ [pid 9540] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9542 attached , child_tidptr=0x555585adc6d0) = 9542 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9542] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9542] setpgid(0, 0) = 0 [pid 9542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9542] write(3, "1000", 4) = 4 [pid 9542] close(3) = 0 [pid 9542] write(1, "executing program\n", 18) = 18 executing program [pid 9542] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9542] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9542] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9542] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9543 attached => {parent_tid=[9543]}, 88) = 9543 [pid 9543] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9543] set_robust_list(0x7f0c2cd339a0, 24 [pid 9542] rt_sigprocmask(SIG_SETMASK, [] [pid 9543] <... set_robust_list resumed>) = 0 [pid 9542] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9543] rt_sigprocmask(SIG_SETMASK, [] [pid 9542] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9543] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9542] <... futex resumed>) = 0 [pid 9543] memfd_create("syzkaller", 0 [pid 9542] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9543] <... memfd_create resumed>) = 3 [pid 9543] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [ 407.536183][ T9541] EXT4-fs: quotafile must be on filesystem root [pid 9543] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9543] munmap(0x7f0c24913000, 138412032) = 0 [pid 9543] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9543] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9543] close(3) = 0 [pid 9543] close(4) = 0 [pid 9543] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9543] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9543] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9543] ioctl(3, LOOP_CLR_FD) = 0 [pid 9543] close(3) = 0 [pid 9543] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9542] <... futex resumed>) = 0 [pid 9543] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9542] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9543] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9542] <... futex resumed>) = 0 [pid 9543] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9542] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9543] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9542] <... futex resumed>) = 0 [pid 9542] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9543] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9542] <... futex resumed>) = 0 [pid 9543] <... openat resumed>) = 3 [pid 9542] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9543] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9542] <... futex resumed>) = 0 [pid 9543] pwrite64(3, "\x02\x00", 2, 4 [pid 9542] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9543] <... pwrite64 resumed>) = 2 [pid 9542] <... futex resumed>) = 0 [pid 9542] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9543] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9542] <... futex resumed>) = 0 [pid 9543] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9542] exit_group(0 [pid 9543] <... futex resumed>) = ? [pid 9542] <... exit_group resumed>) = ? [pid 9543] +++ exited with 0 +++ [pid 9542] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9542, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 407.633145][ T9543] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9544 attached , child_tidptr=0x555585adc6d0) = 9544 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9544] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9544] <... set_robust_list resumed>) = 0 [pid 9544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9544] setpgid(0, 0) = 0 [pid 9544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9544] write(3, "1000", 4) = 4 [pid 9544] close(3) = 0 [pid 9544] write(1, "executing program\n", 18) = 18 [pid 9544] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9544] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 executing program [pid 9544] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9544] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9544] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9544] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9545]}, 88) = 9545 ci2-upstream-fs/strace-static-x86_64: Process 9545 attached [pid 9545] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9544] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9545] <... rseq resumed>) = 0 [pid 9544] <... futex resumed>) = 0 [pid 9544] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9545] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9545] memfd_create("syzkaller", 0) = 3 [pid 9545] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9545] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9545] munmap(0x7f0c24913000, 138412032) = 0 [pid 9545] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9545] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9545] close(3) = 0 [pid 9545] close(4) = 0 [pid 9545] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9545] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9545] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9545] ioctl(3, LOOP_CLR_FD) = 0 [pid 9545] close(3) = 0 [pid 9545] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9544] <... futex resumed>) = 0 [pid 9545] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9544] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9545] <... futex resumed>) = 0 [pid 9544] <... futex resumed>) = 1 [pid 9545] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9544] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9545] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9545] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9544] <... futex resumed>) = 0 [pid 9545] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9544] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9544] <... futex resumed>) = 0 [pid 9545] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9544] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9545] <... openat resumed>) = 3 [pid 9545] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9544] <... futex resumed>) = 0 [pid 9545] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9544] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9544] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9545] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9545] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9544] <... futex resumed>) = 0 [pid 9545] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9544] exit_group(0) = ? [pid 9545] <... futex resumed>) = ? [pid 9545] +++ exited with 0 +++ [pid 9544] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9544, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9546 attached , child_tidptr=0x555585adc6d0) = 9546 [pid 9546] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [ 407.763008][ T9545] EXT4-fs: quotafile must be on filesystem root [pid 9546] <... set_robust_list resumed>) = 0 [pid 9546] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9546] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9546] setpgid(0, 0) = 0 [pid 9546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9546] write(3, "1000", 4) = 4 [pid 9546] close(3) = 0 [pid 9546] write(1, "executing program\n", 18) = 18 executing program [pid 9546] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9546] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9546] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9546] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9546] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9547 attached [pid 9547] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9546] <... clone3 resumed> => {parent_tid=[9547]}, 88) = 9547 [pid 9547] <... rseq resumed>) = 0 [pid 9547] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9547] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9547] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9546] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9547] <... futex resumed>) = 0 [pid 9546] <... futex resumed>) = 1 [pid 9547] memfd_create("syzkaller", 0 [pid 9546] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9547] <... memfd_create resumed>) = 3 [pid 9547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9547] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9547] munmap(0x7f0c24913000, 138412032) = 0 [pid 9547] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9547] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9547] close(3) = 0 [pid 9547] close(4) = 0 [pid 9547] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9547] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9547] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9547] ioctl(3, LOOP_CLR_FD) = 0 [pid 9547] close(3) = 0 [pid 9547] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9546] <... futex resumed>) = 0 [pid 9547] <... futex resumed>) = 1 [pid 9546] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9547] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9546] <... futex resumed>) = 0 [pid 9547] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9546] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9547] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9547] <... futex resumed>) = 0 [pid 9546] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9547] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9546] <... futex resumed>) = 0 [pid 9547] <... openat resumed>) = 3 [pid 9546] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9547] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9547] <... futex resumed>) = 0 [pid 9546] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9547] pwrite64(3, "\x02\x00", 2, 4 [pid 9546] <... futex resumed>) = 0 [pid 9547] <... pwrite64 resumed>) = 2 [pid 9546] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9547] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9547] <... futex resumed>) = 0 [pid 9547] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9546] exit_group(0) = ? [pid 9547] <... futex resumed>) = ? [pid 9547] +++ exited with 0 +++ [pid 9546] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9548 attached [pid 9548] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9548 [pid 9548] setpgid(0, 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9548] <... setpgid resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9548] write(3, "1000", 4) = 4 [pid 9548] close(3) = 0 [pid 9548] write(1, "executing program\n", 18) = 18 executing program [pid 9548] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9548] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9548] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [ 407.865071][ T9547] EXT4-fs: quotafile must be on filesystem root [pid 9548] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9549 attached => {parent_tid=[9549]}, 88) = 9549 [pid 9549] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9548] rt_sigprocmask(SIG_SETMASK, [] [pid 9549] set_robust_list(0x7f0c2cd339a0, 24 [pid 9548] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9549] <... set_robust_list resumed>) = 0 [pid 9548] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9548] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9549] memfd_create("syzkaller", 0) = 3 [pid 9549] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9549] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9549] munmap(0x7f0c24913000, 138412032) = 0 [pid 9549] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9549] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9549] close(3) = 0 [pid 9549] close(4) = 0 [pid 9549] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9549] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9549] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9549] ioctl(3, LOOP_CLR_FD) = 0 [pid 9549] close(3) = 0 [pid 9549] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9549] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9548] <... futex resumed>) = 0 [pid 9548] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9549] <... futex resumed>) = 0 [pid 9548] <... futex resumed>) = 1 [pid 9549] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9549] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9549] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9548] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9548] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9549] <... futex resumed>) = 0 [pid 9548] <... futex resumed>) = 1 [pid 9549] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9548] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9549] <... openat resumed>) = 3 [pid 9549] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9548] <... futex resumed>) = 0 [pid 9549] pwrite64(3, "\x02\x00", 2, 4 [pid 9548] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9549] <... pwrite64 resumed>) = 2 [pid 9548] <... futex resumed>) = 0 [pid 9549] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9548] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9549] <... futex resumed>) = 0 [pid 9548] exit_group(0) = ? [pid 9549] +++ exited with 0 +++ [pid 9548] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9550 attached [ 407.961911][ T9549] set_capacity_and_notify: 33 callbacks suppressed [ 407.962285][ T9549] loop0: detected capacity change from 0 to 512 [ 407.982205][ T9549] EXT4-fs: quotafile must be on filesystem root [pid 9550] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9550 [pid 9550] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9550] setpgid(0, 0) = 0 [pid 9550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9550] write(3, "1000", 4) = 4 [pid 9550] close(3) = 0 [pid 9550] write(1, "executing program\n", 18) = 18 executing program [pid 9550] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9550] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9550] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9550] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9550] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9551 attached => {parent_tid=[9551]}, 88) = 9551 [pid 9550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9550] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9550] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9551] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9551] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9551] memfd_create("syzkaller", 0) = 3 [pid 9551] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9551] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9551] munmap(0x7f0c24913000, 138412032) = 0 [pid 9551] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9551] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9551] close(3) = 0 [pid 9551] close(4) = 0 [pid 9551] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9551] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9551] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9551] ioctl(3, LOOP_CLR_FD) = 0 [pid 9551] close(3) = 0 [pid 9551] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9551] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9550] <... futex resumed>) = 0 [pid 9550] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9551] <... futex resumed>) = 0 [pid 9550] <... futex resumed>) = 1 [pid 9551] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9550] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9551] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9550] <... futex resumed>) = 0 [pid 9551] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9550] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9550] <... futex resumed>) = 0 [pid 9551] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9550] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9551] <... openat resumed>) = 3 [pid 9551] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9550] <... futex resumed>) = 0 [pid 9551] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9550] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9550] <... futex resumed>) = 0 [pid 9551] pwrite64(3, "\x02\x00", 2, 4 [pid 9550] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9551] <... pwrite64 resumed>) = 2 [pid 9551] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9550] <... futex resumed>) = 0 [pid 9551] <... futex resumed>) = 1 [pid 9551] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9550] exit_group(0 [pid 9551] <... futex resumed>) = ? [pid 9550] <... exit_group resumed>) = ? [pid 9551] +++ exited with 0 +++ [pid 9550] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 408.087209][ T9551] loop0: detected capacity change from 0 to 512 [ 408.097098][ T9551] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9552 attached , child_tidptr=0x555585adc6d0) = 9552 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9552] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9552] <... set_robust_list resumed>) = 0 [pid 9552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9552] setpgid(0, 0) = 0 [pid 9552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9552] write(3, "1000", 4) = 4 [pid 9552] close(3) = 0 [pid 9552] write(1, "executing program\n", 18) = 18 executing program [pid 9552] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9552] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9552] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9552] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9553 attached [pid 9553] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9552] <... clone3 resumed> => {parent_tid=[9553]}, 88) = 9553 [pid 9553] <... rseq resumed>) = 0 [pid 9553] set_robust_list(0x7f0c2cd339a0, 24 [pid 9552] rt_sigprocmask(SIG_SETMASK, [] [pid 9553] <... set_robust_list resumed>) = 0 [pid 9552] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9553] rt_sigprocmask(SIG_SETMASK, [] [pid 9552] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9553] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9552] <... futex resumed>) = 0 [pid 9553] memfd_create("syzkaller", 0 [pid 9552] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9553] <... memfd_create resumed>) = 3 [pid 9553] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9553] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9553] munmap(0x7f0c24913000, 138412032) = 0 [pid 9553] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9553] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9553] close(3) = 0 [pid 9553] close(4) = 0 [pid 9553] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9553] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9553] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9553] ioctl(3, LOOP_CLR_FD) = 0 [pid 9553] close(3) = 0 [pid 9553] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9553] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9552] <... futex resumed>) = 0 [pid 9552] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9553] <... futex resumed>) = 0 [pid 9553] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9552] <... futex resumed>) = 1 [pid 9552] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9553] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9553] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9552] <... futex resumed>) = 0 [pid 9553] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9552] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9552] <... futex resumed>) = 0 [pid 9553] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9552] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9553] <... openat resumed>) = 3 [pid 9553] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9552] <... futex resumed>) = 0 [pid 9553] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9552] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9552] <... futex resumed>) = 0 [pid 9553] pwrite64(3, "\x02\x00", 2, 4 [pid 9552] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9553] <... pwrite64 resumed>) = 2 [pid 9553] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9552] <... futex resumed>) = 0 [pid 9553] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9552] exit_group(0) = ? [pid 9553] <... futex resumed>) = ? [pid 9553] +++ exited with 0 +++ [pid 9552] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9554 attached , child_tidptr=0x555585adc6d0) = 9554 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [ 408.235364][ T9553] loop0: detected capacity change from 0 to 512 [ 408.238769][ T9553] EXT4-fs: quotafile must be on filesystem root [pid 9554] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9554] setpgid(0, 0) = 0 [pid 9554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9554] write(3, "1000", 4) = 4 [pid 9554] close(3) = 0 [pid 9554] write(1, "executing program\n", 18) = 18 executing program [pid 9554] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9554] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9554] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9554] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9554] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9555 attached [pid 9555] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9554] <... clone3 resumed> => {parent_tid=[9555]}, 88) = 9555 [pid 9555] <... rseq resumed>) = 0 [pid 9555] set_robust_list(0x7f0c2cd339a0, 24 [pid 9554] rt_sigprocmask(SIG_SETMASK, [] [pid 9555] <... set_robust_list resumed>) = 0 [pid 9554] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9555] rt_sigprocmask(SIG_SETMASK, [] [pid 9554] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9555] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9554] <... futex resumed>) = 0 [pid 9555] memfd_create("syzkaller", 0 [pid 9554] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9555] <... memfd_create resumed>) = 3 [pid 9555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9555] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9555] munmap(0x7f0c24913000, 138412032) = 0 [pid 9555] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9555] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9555] close(3) = 0 [pid 9555] close(4) = 0 [pid 9555] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9555] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9555] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9555] ioctl(3, LOOP_CLR_FD) = 0 [pid 9555] close(3) = 0 [pid 9555] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9554] <... futex resumed>) = 0 [pid 9555] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9554] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9554] <... futex resumed>) = 0 [pid 9554] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9555] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9555] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9554] <... futex resumed>) = 0 [pid 9555] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9554] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9554] <... futex resumed>) = 0 [pid 9555] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9554] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9555] <... openat resumed>) = 3 [pid 9555] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9554] <... futex resumed>) = 0 [pid 9554] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9555] pwrite64(3, "\x02\x00", 2, 4 [pid 9554] <... futex resumed>) = 0 [pid 9555] <... pwrite64 resumed>) = 2 [pid 9554] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9555] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9554] exit_group(0) = ? [pid 9555] <... futex resumed>) = ? [pid 9555] +++ exited with 0 +++ [pid 9554] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9556 attached [ 408.359274][ T9555] loop0: detected capacity change from 0 to 512 [ 408.372798][ T9555] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9556 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9556] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9556] <... set_robust_list resumed>) = 0 [pid 9556] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9556] setpgid(0, 0) = 0 [pid 9556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9556] write(3, "1000", 4) = 4 [pid 9556] close(3) = 0 [pid 9556] write(1, "executing program\n", 18) = 18 executing program [pid 9556] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9556] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9556] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9556] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9557 attached [pid 9557] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9556] <... clone3 resumed> => {parent_tid=[9557]}, 88) = 9557 [pid 9557] <... rseq resumed>) = 0 [pid 9556] rt_sigprocmask(SIG_SETMASK, [] [pid 9557] set_robust_list(0x7f0c2cd339a0, 24 [pid 9556] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9557] <... set_robust_list resumed>) = 0 [pid 9557] rt_sigprocmask(SIG_SETMASK, [] [pid 9556] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9557] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9556] <... futex resumed>) = 0 [pid 9557] memfd_create("syzkaller", 0) = 3 [pid 9556] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9557] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9557] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9557] munmap(0x7f0c24913000, 138412032) = 0 [pid 9557] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9557] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9557] close(3) = 0 [pid 9557] close(4) = 0 [pid 9557] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9557] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9557] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9557] ioctl(3, LOOP_CLR_FD) = 0 [pid 9557] close(3) = 0 [pid 9557] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9556] <... futex resumed>) = 0 [pid 9557] <... futex resumed>) = 1 [pid 9556] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9557] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9556] <... futex resumed>) = 0 [pid 9556] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9557] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9557] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9556] <... futex resumed>) = 0 [pid 9557] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9556] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9556] <... futex resumed>) = 0 [pid 9557] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9556] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9557] <... openat resumed>) = 3 [pid 9557] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9556] <... futex resumed>) = 0 [pid 9557] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9556] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9556] <... futex resumed>) = 0 [pid 9557] pwrite64(3, "\x02\x00", 2, 4 [pid 9556] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9557] <... pwrite64 resumed>) = 2 [pid 9557] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9556] <... futex resumed>) = 0 [pid 9557] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9556] exit_group(0 [pid 9557] <... futex resumed>) = ? [pid 9556] <... exit_group resumed>) = ? [pid 9557] +++ exited with 0 +++ [pid 9556] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 408.456830][ T9557] loop0: detected capacity change from 0 to 512 [ 408.472524][ T9557] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9558 attached [pid 9558] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9558 [pid 9558] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9558] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9558] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9558] setpgid(0, 0) = 0 [pid 9558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9558] write(3, "1000", 4) = 4 [pid 9558] close(3) = 0 executing program [pid 9558] write(1, "executing program\n", 18) = 18 [pid 9558] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9558] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9558] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9558] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9558] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9559 attached [pid 9559] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9558] <... clone3 resumed> => {parent_tid=[9559]}, 88) = 9559 [pid 9559] <... rseq resumed>) = 0 [pid 9558] rt_sigprocmask(SIG_SETMASK, [] [pid 9559] set_robust_list(0x7f0c2cd339a0, 24 [pid 9558] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9559] <... set_robust_list resumed>) = 0 [pid 9558] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9559] rt_sigprocmask(SIG_SETMASK, [] [pid 9558] <... futex resumed>) = 0 [pid 9559] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9558] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9559] memfd_create("syzkaller", 0) = 3 [pid 9559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9559] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9559] munmap(0x7f0c24913000, 138412032) = 0 [pid 9559] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9559] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9559] close(3) = 0 [pid 9559] close(4) = 0 [pid 9559] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9559] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9559] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9559] ioctl(3, LOOP_CLR_FD) = 0 [pid 9559] close(3) = 0 [pid 9559] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9558] <... futex resumed>) = 0 [pid 9559] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9558] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9559] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9558] <... futex resumed>) = 0 [pid 9558] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9559] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9558] <... futex resumed>) = 0 [pid 9559] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9558] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9559] <... openat resumed>) = 3 [pid 9558] <... futex resumed>) = 0 [pid 9558] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9559] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9558] <... futex resumed>) = 0 [pid 9559] pwrite64(3, "\x02\x00", 2, 4 [pid 9558] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9559] <... pwrite64 resumed>) = 2 [pid 9558] <... futex resumed>) = 0 [pid 9558] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9559] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9559] <... futex resumed>) = 0 [pid 9558] exit_group(0 [pid 9559] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9558] <... exit_group resumed>) = ? [pid 9559] +++ exited with 0 +++ [pid 9558] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9558, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 408.570798][ T9559] loop0: detected capacity change from 0 to 512 [ 408.582039][ T9559] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9560 attached [pid 9560] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9560 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9560] <... prctl resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9560] setpgid(0, 0) = 0 [pid 9560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9560] write(3, "1000", 4) = 4 [pid 9560] close(3) = 0 [pid 9560] write(1, "executing program\n", 18) = 18 executing program [pid 9560] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9560] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9560] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9560] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9560] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9561 attached => {parent_tid=[9561]}, 88) = 9561 [pid 9561] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9560] rt_sigprocmask(SIG_SETMASK, [] [pid 9561] <... rseq resumed>) = 0 [pid 9561] set_robust_list(0x7f0c2cd339a0, 24 [pid 9560] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9561] <... set_robust_list resumed>) = 0 [pid 9560] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9561] rt_sigprocmask(SIG_SETMASK, [] [pid 9560] <... futex resumed>) = 0 [pid 9561] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9560] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9561] memfd_create("syzkaller", 0) = 3 [pid 9561] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9561] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9561] munmap(0x7f0c24913000, 138412032) = 0 [pid 9561] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9561] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9561] close(3) = 0 [pid 9561] close(4) = 0 [pid 9561] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9561] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9561] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9561] ioctl(3, LOOP_CLR_FD) = 0 [pid 9561] close(3) = 0 [pid 9561] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9560] <... futex resumed>) = 0 [pid 9561] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9560] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9560] <... futex resumed>) = 0 [pid 9561] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9560] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9561] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9561] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9560] <... futex resumed>) = 0 [pid 9561] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9560] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9560] <... futex resumed>) = 0 [pid 9561] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9560] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9561] <... openat resumed>) = 3 [pid 9561] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9560] <... futex resumed>) = 0 [pid 9561] pwrite64(3, "\x02\x00", 2, 4 [pid 9560] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9561] <... pwrite64 resumed>) = 2 [pid 9560] <... futex resumed>) = 0 [pid 9561] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9560] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9561] <... futex resumed>) = 0 [pid 9560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9561] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9560] exit_group(0 [pid 9561] <... futex resumed>) = ? [pid 9560] <... exit_group resumed>) = ? [pid 9561] +++ exited with 0 +++ [pid 9560] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9560, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9562 attached , child_tidptr=0x555585adc6d0) = 9562 [pid 9562] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9562] <... set_robust_list resumed>) = 0 [pid 9562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9562] setpgid(0, 0) = 0 [pid 9562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9562] write(3, "1000", 4) = 4 [ 408.696864][ T9561] loop0: detected capacity change from 0 to 512 [ 408.707502][ T9561] EXT4-fs: quotafile must be on filesystem root [pid 9562] close(3) = 0 executing program [pid 9562] write(1, "executing program\n", 18) = 18 [pid 9562] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9562] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9562] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9562] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9562] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9563 attached [pid 9563] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9562] <... clone3 resumed> => {parent_tid=[9563]}, 88) = 9563 [pid 9563] <... rseq resumed>) = 0 [pid 9562] rt_sigprocmask(SIG_SETMASK, [] [pid 9563] set_robust_list(0x7f0c2cd339a0, 24 [pid 9562] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9563] <... set_robust_list resumed>) = 0 [pid 9563] rt_sigprocmask(SIG_SETMASK, [] [pid 9562] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9563] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9562] <... futex resumed>) = 0 [pid 9563] memfd_create("syzkaller", 0 [pid 9562] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9563] <... memfd_create resumed>) = 3 [pid 9563] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9563] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9563] munmap(0x7f0c24913000, 138412032) = 0 [pid 9563] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9563] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9563] close(3) = 0 [pid 9563] close(4) = 0 [pid 9563] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9563] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9563] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9563] ioctl(3, LOOP_CLR_FD) = 0 [pid 9563] close(3) = 0 [pid 9563] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9562] <... futex resumed>) = 0 [pid 9563] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9562] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9563] <... futex resumed>) = 0 [pid 9562] <... futex resumed>) = 1 [pid 9563] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9562] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9563] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9563] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9562] <... futex resumed>) = 0 [pid 9563] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9562] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9563] <... futex resumed>) = 0 [pid 9562] <... futex resumed>) = 1 [pid 9563] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9562] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9563] <... openat resumed>) = 3 [pid 9563] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9562] <... futex resumed>) = 0 [pid 9563] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9562] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9562] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9563] <... futex resumed>) = 0 [pid 9563] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9563] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9562] <... futex resumed>) = 0 [pid 9563] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9562] exit_group(0 [pid 9563] <... futex resumed>) = ? [pid 9562] <... exit_group resumed>) = ? [pid 9563] +++ exited with 0 +++ [pid 9562] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9564 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 9564 attached [pid 9564] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9564] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9564] setpgid(0, 0) = 0 [pid 9564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9564] write(3, "1000", 4) = 4 [pid 9564] close(3) = 0 [pid 9564] write(1, "executing program\n", 18) = 18 [pid 9564] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9564] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 executing program [pid 9564] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9564] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9564] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9565 attached => {parent_tid=[9565]}, 88) = 9565 [pid 9565] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9564] rt_sigprocmask(SIG_SETMASK, [] [pid 9565] <... rseq resumed>) = 0 [pid 9565] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9565] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9565] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9564] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9564] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9565] <... futex resumed>) = 0 [pid 9564] <... futex resumed>) = 1 [pid 9564] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9565] memfd_create("syzkaller", 0) = 3 [pid 9565] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9565] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [ 408.783617][ T9563] loop0: detected capacity change from 0 to 512 [ 408.804831][ T9563] EXT4-fs: quotafile must be on filesystem root [pid 9565] munmap(0x7f0c24913000, 138412032) = 0 [pid 9565] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9565] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9565] close(3) = 0 [pid 9565] close(4) = 0 [pid 9565] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9565] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9565] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9565] ioctl(3, LOOP_CLR_FD) = 0 [pid 9565] close(3) = 0 [pid 9565] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9564] <... futex resumed>) = 0 [pid 9565] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9564] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9564] <... futex resumed>) = 0 [pid 9565] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9564] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9565] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9565] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9564] <... futex resumed>) = 0 [pid 9565] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9564] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9564] <... futex resumed>) = 0 [pid 9564] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9565] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9565] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9564] <... futex resumed>) = 0 [pid 9564] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9565] pwrite64(3, "\x02\x00", 2, 4 [pid 9564] <... futex resumed>) = 0 [pid 9565] <... pwrite64 resumed>) = 2 [pid 9564] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9565] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9565] <... futex resumed>) = 0 [pid 9565] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9564] exit_group(0 [pid 9565] <... futex resumed>) = ? [pid 9564] <... exit_group resumed>) = ? [pid 9565] +++ exited with 0 +++ [pid 9564] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9564, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [ 408.867319][ T9565] loop0: detected capacity change from 0 to 512 [ 408.879950][ T9565] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9566 attached [pid 9566] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9566 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9566] <... set_robust_list resumed>) = 0 [pid 9566] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9566] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9566] setpgid(0, 0) = 0 [pid 9566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9566] write(3, "1000", 4) = 4 [pid 9566] close(3) = 0 executing program [pid 9566] write(1, "executing program\n", 18) = 18 [pid 9566] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9566] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9566] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9566] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9566] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9567 attached [pid 9567] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9566] <... clone3 resumed> => {parent_tid=[9567]}, 88) = 9567 [pid 9567] <... rseq resumed>) = 0 [pid 9566] rt_sigprocmask(SIG_SETMASK, [] [pid 9567] set_robust_list(0x7f0c2cd339a0, 24 [pid 9566] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9567] <... set_robust_list resumed>) = 0 [pid 9567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9567] memfd_create("syzkaller", 0 [pid 9566] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9567] <... memfd_create resumed>) = 3 [pid 9566] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9567] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9567] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9567] munmap(0x7f0c24913000, 138412032) = 0 [pid 9567] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9567] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9567] close(3) = 0 [pid 9567] close(4) = 0 [pid 9567] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9567] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9567] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9567] ioctl(3, LOOP_CLR_FD) = 0 [pid 9567] close(3) = 0 [pid 9567] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9567] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9566] <... futex resumed>) = 0 [pid 9566] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9567] <... futex resumed>) = 0 [pid 9566] <... futex resumed>) = 1 [pid 9567] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9566] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9567] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9567] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9566] <... futex resumed>) = 0 [pid 9567] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9566] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9566] <... futex resumed>) = 0 [pid 9567] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9566] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9567] <... openat resumed>) = 3 [pid 9567] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9566] <... futex resumed>) = 0 [pid 9567] <... futex resumed>) = 1 [pid 9566] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9567] pwrite64(3, "\x02\x00", 2, 4 [pid 9566] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9567] <... pwrite64 resumed>) = 2 [pid 9567] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9566] <... futex resumed>) = 0 [pid 9566] exit_group(0) = ? [pid 9567] +++ exited with 0 +++ [pid 9566] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9566, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [ 409.011443][ T9567] loop0: detected capacity change from 0 to 512 [ 409.015074][ T9567] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9568 ci2-upstream-fs/strace-static-x86_64: Process 9568 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9568] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9568] <... set_robust_list resumed>) = 0 [pid 9568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9568] setpgid(0, 0) = 0 [pid 9568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9568] write(3, "1000", 4) = 4 [pid 9568] close(3) = 0 [pid 9568] write(1, "executing program\n", 18) = 18 executing program [pid 9568] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9568] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9568] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9568] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9568] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9569 attached => {parent_tid=[9569]}, 88) = 9569 [pid 9568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9568] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9569] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9568] <... futex resumed>) = 0 [pid 9569] set_robust_list(0x7f0c2cd339a0, 24 [pid 9568] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9569] <... set_robust_list resumed>) = 0 [pid 9569] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9569] memfd_create("syzkaller", 0) = 3 [pid 9569] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9569] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9569] munmap(0x7f0c24913000, 138412032) = 0 [pid 9569] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9569] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9569] close(3) = 0 [pid 9569] close(4) = 0 [pid 9569] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9569] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9569] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9569] ioctl(3, LOOP_CLR_FD) = 0 [pid 9569] close(3) = 0 [pid 9569] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9568] <... futex resumed>) = 0 [pid 9569] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9568] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9569] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9568] <... futex resumed>) = 0 [pid 9568] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9569] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9568] <... futex resumed>) = 0 [pid 9569] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9568] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9569] <... openat resumed>) = 3 [pid 9568] <... futex resumed>) = 0 [pid 9568] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9569] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9568] <... futex resumed>) = 0 [pid 9569] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9568] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9569] pwrite64(3, "\x02\x00", 2, 4 [pid 9568] <... futex resumed>) = 0 [pid 9569] <... pwrite64 resumed>) = 2 [pid 9568] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9569] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9569] <... futex resumed>) = 0 [pid 9568] exit_group(0) = ? [pid 9569] +++ exited with 0 +++ [pid 9568] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9568, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 409.159762][ T9569] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9570 attached [pid 9570] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9570 [pid 9570] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9570] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9570] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9570] setpgid(0, 0) = 0 [pid 9570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9570] write(3, "1000", 4) = 4 [pid 9570] close(3) = 0 executing program [pid 9570] write(1, "executing program\n", 18) = 18 [pid 9570] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9570] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9570] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9570] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9571 attached [pid 9571] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9570] <... clone3 resumed> => {parent_tid=[9571]}, 88) = 9571 [pid 9571] <... rseq resumed>) = 0 [pid 9571] set_robust_list(0x7f0c2cd339a0, 24 [pid 9570] rt_sigprocmask(SIG_SETMASK, [] [pid 9571] <... set_robust_list resumed>) = 0 [pid 9570] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9571] rt_sigprocmask(SIG_SETMASK, [] [pid 9570] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9571] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9570] <... futex resumed>) = 0 [pid 9571] memfd_create("syzkaller", 0) = 3 [pid 9570] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9571] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9571] munmap(0x7f0c24913000, 138412032) = 0 [pid 9571] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9571] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9571] close(3) = 0 [pid 9571] close(4) = 0 [pid 9571] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9571] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9571] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9571] ioctl(3, LOOP_CLR_FD) = 0 [pid 9571] close(3) = 0 [pid 9571] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9571] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9570] <... futex resumed>) = 0 [pid 9570] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9570] <... futex resumed>) = 0 [pid 9571] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9570] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9571] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9571] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9570] <... futex resumed>) = 0 [pid 9571] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9570] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9570] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9571] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9571] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9571] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9570] <... futex resumed>) = 0 [pid 9570] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9571] <... futex resumed>) = 0 [pid 9571] pwrite64(3, "\x02\x00", 2, 4 [pid 9570] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9571] <... pwrite64 resumed>) = 2 [pid 9571] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9570] <... futex resumed>) = 0 [pid 9571] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9570] exit_group(0) = ? [pid 9571] <... futex resumed>) = ? [pid 9571] +++ exited with 0 +++ [pid 9570] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9570, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 409.304840][ T9571] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9572 attached , child_tidptr=0x555585adc6d0) = 9572 [pid 9572] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9572] <... set_robust_list resumed>) = 0 [pid 9572] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9572] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9572] setpgid(0, 0) = 0 [pid 9572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9572] write(3, "1000", 4) = 4 [pid 9572] close(3) = 0 [pid 9572] write(1, "executing program\n", 18) = 18 [pid 9572] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9572] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9572] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9572] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9572] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9572] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9573 attached [pid 9573] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9572] <... clone3 resumed> => {parent_tid=[9573]}, 88) = 9573 [pid 9573] <... rseq resumed>) = 0 [pid 9573] set_robust_list(0x7f0c2cd339a0, 24 [pid 9572] rt_sigprocmask(SIG_SETMASK, [] [pid 9573] <... set_robust_list resumed>) = 0 [pid 9572] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9573] rt_sigprocmask(SIG_SETMASK, [] [pid 9572] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9573] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9572] <... futex resumed>) = 0 [pid 9573] memfd_create("syzkaller", 0 [pid 9572] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9573] <... memfd_create resumed>) = 3 [pid 9573] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9573] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9573] munmap(0x7f0c24913000, 138412032) = 0 [pid 9573] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9573] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9573] close(3) = 0 [pid 9573] close(4) = 0 [pid 9573] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9573] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9573] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9573] ioctl(3, LOOP_CLR_FD) = 0 [pid 9573] close(3) = 0 [pid 9573] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9572] <... futex resumed>) = 0 [pid 9573] <... futex resumed>) = 1 [pid 9572] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9573] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9572] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9573] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9573] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9572] <... futex resumed>) = 0 [pid 9573] <... futex resumed>) = 1 [pid 9573] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9572] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9573] <... openat resumed>) = 3 [pid 9572] <... futex resumed>) = 0 [pid 9572] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9573] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9572] <... futex resumed>) = 0 [pid 9573] <... futex resumed>) = 1 [pid 9572] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9573] pwrite64(3, "\x02\x00", 2, 4 [pid 9572] <... futex resumed>) = 0 [pid 9573] <... pwrite64 resumed>) = 2 [pid 9572] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9573] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9572] <... futex resumed>) = 0 [pid 9572] exit_group(0 [pid 9573] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9572] <... exit_group resumed>) = ? [pid 9573] +++ exited with 0 +++ [pid 9572] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9572, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 409.436936][ T9573] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9574 attached [pid 9574] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9574 [pid 9574] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9574] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9574] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9574] setpgid(0, 0) = 0 [pid 9574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9574] write(3, "1000", 4) = 4 [pid 9574] close(3) = 0 executing program [pid 9574] write(1, "executing program\n", 18) = 18 [pid 9574] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9574] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9574] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9574] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9574] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9575]}, 88) = 9575 ci2-upstream-fs/strace-static-x86_64: Process 9575 attached [pid 9574] rt_sigprocmask(SIG_SETMASK, [] [pid 9575] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9574] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9575] <... rseq resumed>) = 0 [pid 9574] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9575] set_robust_list(0x7f0c2cd339a0, 24 [pid 9574] <... futex resumed>) = 0 [pid 9575] <... set_robust_list resumed>) = 0 [pid 9574] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9575] memfd_create("syzkaller", 0) = 3 [pid 9575] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9575] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9575] munmap(0x7f0c24913000, 138412032) = 0 [pid 9575] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9575] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9575] close(3) = 0 [pid 9575] close(4) = 0 [pid 9575] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9575] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9575] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9575] ioctl(3, LOOP_CLR_FD) = 0 [pid 9575] close(3) = 0 [pid 9575] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9574] <... futex resumed>) = 0 [pid 9575] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9574] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9574] <... futex resumed>) = 0 [pid 9575] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9574] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9575] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9575] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9574] <... futex resumed>) = 0 [pid 9575] <... futex resumed>) = 1 [pid 9574] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9575] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9574] <... futex resumed>) = 0 [pid 9574] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9575] <... openat resumed>) = 3 [pid 9575] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9574] <... futex resumed>) = 0 [pid 9575] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9574] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9574] <... futex resumed>) = 0 [pid 9575] pwrite64(3, "\x02\x00", 2, 4 [pid 9574] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9575] <... pwrite64 resumed>) = 2 [pid 9575] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9574] <... futex resumed>) = 0 [pid 9575] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9574] exit_group(0 [pid 9575] <... futex resumed>) = ? [pid 9574] <... exit_group resumed>) = ? [pid 9575] +++ exited with 0 +++ [pid 9574] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9574, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 409.601383][ T9575] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9576 attached , child_tidptr=0x555585adc6d0) = 9576 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9576] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9576] <... set_robust_list resumed>) = 0 [pid 9576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9576] setpgid(0, 0) = 0 [pid 9576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9576] write(3, "1000", 4) = 4 [pid 9576] close(3) = 0 [pid 9576] write(1, "executing program\n", 18) = 18 executing program [pid 9576] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9576] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9576] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9576] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9576] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9577 attached => {parent_tid=[9577]}, 88) = 9577 [pid 9577] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9576] rt_sigprocmask(SIG_SETMASK, [] [pid 9577] set_robust_list(0x7f0c2cd339a0, 24 [pid 9576] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9577] <... set_robust_list resumed>) = 0 [pid 9576] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9577] rt_sigprocmask(SIG_SETMASK, [] [pid 9576] <... futex resumed>) = 0 [pid 9577] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9576] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9577] memfd_create("syzkaller", 0) = 3 [pid 9577] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9577] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9577] munmap(0x7f0c24913000, 138412032) = 0 [pid 9577] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9577] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9577] close(3) = 0 [pid 9577] close(4) = 0 [pid 9577] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9577] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9577] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9577] ioctl(3, LOOP_CLR_FD) = 0 [pid 9577] close(3) = 0 [pid 9577] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9576] <... futex resumed>) = 0 [pid 9577] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9576] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9577] <... futex resumed>) = 0 [pid 9576] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9577] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9577] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9576] <... futex resumed>) = 0 [pid 9577] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9576] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9576] <... futex resumed>) = 0 [pid 9576] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9577] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9577] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9576] <... futex resumed>) = 0 [pid 9577] <... futex resumed>) = 1 [pid 9576] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9577] pwrite64(3, "\x02\x00", 2, 4 [pid 9576] <... futex resumed>) = 0 [pid 9577] <... pwrite64 resumed>) = 2 [pid 9576] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9577] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9576] <... futex resumed>) = 0 [pid 9577] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9576] exit_group(0 [pid 9577] <... futex resumed>) = ? [pid 9576] <... exit_group resumed>) = ? [pid 9577] +++ exited with 0 +++ [pid 9576] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9576, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9578 attached [ 409.794115][ T9577] EXT4-fs: quotafile must be on filesystem root [pid 9578] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9578 [pid 9578] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9578] setpgid(0, 0) = 0 [pid 9578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9578] write(3, "1000", 4) = 4 [pid 9578] close(3) = 0 [pid 9578] write(1, "executing program\n", 18) = 18 executing program [pid 9578] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9578] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9578] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9578] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9578] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9579 attached [pid 9579] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9578] <... clone3 resumed> => {parent_tid=[9579]}, 88) = 9579 [pid 9579] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9578] rt_sigprocmask(SIG_SETMASK, [] [pid 9579] rt_sigprocmask(SIG_SETMASK, [] [pid 9578] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9579] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9578] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9579] memfd_create("syzkaller", 0 [pid 9578] <... futex resumed>) = 0 [pid 9578] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9579] <... memfd_create resumed>) = 3 [pid 9579] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9579] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9579] munmap(0x7f0c24913000, 138412032) = 0 [pid 9579] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9579] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9579] close(3) = 0 [pid 9579] close(4) = 0 [pid 9579] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9579] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9579] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9579] ioctl(3, LOOP_CLR_FD) = 0 [pid 9579] close(3) = 0 [pid 9579] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9578] <... futex resumed>) = 0 [pid 9579] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9578] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9578] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9579] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9579] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9578] <... futex resumed>) = 0 [pid 9578] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9578] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9579] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9579] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9578] <... futex resumed>) = 0 [pid 9579] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9578] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9578] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9579] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9579] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9578] <... futex resumed>) = 0 [pid 9578] exit_group(0) = ? [pid 9579] +++ exited with 0 +++ [pid 9578] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9578, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9580 attached , child_tidptr=0x555585adc6d0) = 9580 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [ 409.906330][ T9579] EXT4-fs: quotafile must be on filesystem root [pid 9580] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9580] <... set_robust_list resumed>) = 0 [pid 9580] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9580] setpgid(0, 0) = 0 [pid 9580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9580] write(3, "1000", 4) = 4 [pid 9580] close(3) = 0 executing program [pid 9580] write(1, "executing program\n", 18) = 18 [pid 9580] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9580] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9580] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9580] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9581 attached => {parent_tid=[9581]}, 88) = 9581 [pid 9581] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9580] rt_sigprocmask(SIG_SETMASK, [] [pid 9581] <... rseq resumed>) = 0 [pid 9580] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9581] set_robust_list(0x7f0c2cd339a0, 24 [pid 9580] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9581] <... set_robust_list resumed>) = 0 [pid 9581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9580] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9581] memfd_create("syzkaller", 0) = 3 [pid 9581] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9581] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9581] munmap(0x7f0c24913000, 138412032) = 0 [pid 9581] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9581] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9581] close(3) = 0 [pid 9581] close(4) = 0 [pid 9581] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9581] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9581] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9581] ioctl(3, LOOP_CLR_FD) = 0 [pid 9581] close(3) = 0 [pid 9581] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9580] <... futex resumed>) = 0 [pid 9581] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9580] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9580] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9581] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9581] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9580] <... futex resumed>) = 0 [pid 9581] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9580] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9580] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9581] <... openat resumed>) = 3 [pid 9581] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9580] <... futex resumed>) = 0 [pid 9581] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9580] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9580] <... futex resumed>) = 0 [pid 9581] pwrite64(3, "\x02\x00", 2, 4 [pid 9580] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9581] <... pwrite64 resumed>) = 2 [pid 9581] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9580] <... futex resumed>) = 0 [pid 9581] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9580] exit_group(0 [pid 9581] <... futex resumed>) = ? [pid 9580] <... exit_group resumed>) = ? [pid 9581] +++ exited with 0 +++ [pid 9580] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 410.035519][ T9581] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9582 attached , child_tidptr=0x555585adc6d0) = 9582 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9582] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9582] <... set_robust_list resumed>) = 0 [pid 9582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9582] setpgid(0, 0) = 0 [pid 9582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9582] write(3, "1000", 4) = 4 [pid 9582] close(3) = 0 [pid 9582] write(1, "executing program\n", 18) = 18 executing program [pid 9582] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9582] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9582] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9582] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9582] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9583 attached [pid 9583] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9582] <... clone3 resumed> => {parent_tid=[9583]}, 88) = 9583 [pid 9583] <... rseq resumed>) = 0 [pid 9582] rt_sigprocmask(SIG_SETMASK, [] [pid 9583] set_robust_list(0x7f0c2cd339a0, 24 [pid 9582] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9583] <... set_robust_list resumed>) = 0 [pid 9582] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9583] rt_sigprocmask(SIG_SETMASK, [] [pid 9582] <... futex resumed>) = 0 [pid 9583] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9582] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9583] memfd_create("syzkaller", 0) = 3 [pid 9583] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9583] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9583] munmap(0x7f0c24913000, 138412032) = 0 [pid 9583] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9583] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9583] close(3) = 0 [pid 9583] close(4) = 0 [pid 9583] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9583] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9583] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9583] ioctl(3, LOOP_CLR_FD) = 0 [pid 9583] close(3) = 0 [pid 9583] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9582] <... futex resumed>) = 0 [pid 9583] <... futex resumed>) = 1 [pid 9582] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9583] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9582] <... futex resumed>) = 0 [pid 9583] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9582] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9583] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9582] <... futex resumed>) = 0 [pid 9583] <... futex resumed>) = 1 [pid 9582] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9583] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9582] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9583] <... openat resumed>) = 3 [pid 9583] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9582] <... futex resumed>) = 0 [pid 9583] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9582] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9582] <... futex resumed>) = 0 [pid 9583] pwrite64(3, "\x02\x00", 2, 4 [pid 9582] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9583] <... pwrite64 resumed>) = 2 [pid 9583] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9582] <... futex resumed>) = 0 [pid 9583] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9582] exit_group(0) = ? [pid 9583] <... futex resumed>) = ? [pid 9583] +++ exited with 0 +++ [pid 9582] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9582, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9584 attached [pid 9584] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9584 [pid 9584] <... set_robust_list resumed>) = 0 [pid 9584] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9584] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 410.159660][ T9583] EXT4-fs: quotafile must be on filesystem root [pid 9584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9584] setpgid(0, 0) = 0 [pid 9584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9584] write(3, "1000", 4) = 4 [pid 9584] close(3) = 0 executing program [pid 9584] write(1, "executing program\n", 18) = 18 [pid 9584] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9584] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9584] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9584] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9584] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9584] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9584] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9585 attached => {parent_tid=[9585]}, 88) = 9585 [pid 9585] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9584] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9585] <... rseq resumed>) = 0 [pid 9584] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9585] set_robust_list(0x7f0c2cd339a0, 24 [pid 9584] <... futex resumed>) = 0 [pid 9585] <... set_robust_list resumed>) = 0 [pid 9584] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9585] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9585] memfd_create("syzkaller", 0) = 3 [pid 9585] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9585] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9585] munmap(0x7f0c24913000, 138412032) = 0 [pid 9585] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9585] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9585] close(3) = 0 [pid 9585] close(4) = 0 [pid 9585] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9585] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9585] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9585] ioctl(3, LOOP_CLR_FD) = 0 [pid 9585] close(3) = 0 [pid 9585] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9584] <... futex resumed>) = 0 [pid 9585] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9584] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9585] <... futex resumed>) = 0 [pid 9584] <... futex resumed>) = 1 [pid 9585] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9584] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9585] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9585] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9584] <... futex resumed>) = 0 [pid 9584] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9585] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9584] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9585] <... openat resumed>) = 3 [pid 9585] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9584] <... futex resumed>) = 0 [pid 9584] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9585] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9584] <... futex resumed>) = 0 [pid 9585] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9584] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9585] <... futex resumed>) = 0 [pid 9584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9585] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9584] exit_group(0) = ? [pid 9585] <... futex resumed>) = ? [pid 9585] +++ exited with 0 +++ [pid 9584] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9584, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9586 attached , child_tidptr=0x555585adc6d0) = 9586 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9586] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9586] <... set_robust_list resumed>) = 0 [pid 9586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9586] setpgid(0, 0) = 0 [pid 9586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9586] write(3, "1000", 4) = 4 [pid 9586] close(3) = 0 [pid 9586] write(1, "executing program\n", 18) = 18 executing program [pid 9586] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9586] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9586] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9586] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9586] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 410.271437][ T9585] EXT4-fs: quotafile must be on filesystem root [pid 9586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9587 attached => {parent_tid=[9587]}, 88) = 9587 [pid 9586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9586] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9586] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9587] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9587] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9587] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9587] memfd_create("syzkaller", 0) = 3 [pid 9587] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9587] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9587] munmap(0x7f0c24913000, 138412032) = 0 [pid 9587] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9587] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9587] close(3) = 0 [pid 9587] close(4) = 0 [pid 9587] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9587] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9587] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9587] ioctl(3, LOOP_CLR_FD) = 0 [pid 9587] close(3) = 0 [pid 9587] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9586] <... futex resumed>) = 0 [pid 9586] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9587] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9586] <... futex resumed>) = 0 [pid 9586] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9587] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9587] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9586] <... futex resumed>) = 0 [pid 9586] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9587] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9586] <... futex resumed>) = 0 [pid 9587] <... openat resumed>) = 3 [pid 9586] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9587] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9586] <... futex resumed>) = 0 [pid 9587] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9586] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9586] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9587] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9587] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9586] <... futex resumed>) = 0 [pid 9587] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9586] exit_group(0 [pid 9587] <... futex resumed>) = ? [pid 9586] <... exit_group resumed>) = ? [pid 9587] +++ exited with 0 +++ [pid 9586] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9586, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 410.365962][ T9587] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9588 attached , child_tidptr=0x555585adc6d0) = 9588 [pid 9588] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9588] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9588] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9588] setpgid(0, 0) = 0 [pid 9588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9588] write(3, "1000", 4) = 4 [pid 9588] close(3) = 0 [pid 9588] write(1, "executing program\n", 18) = 18 executing program [pid 9588] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9588] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9588] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9588] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9588] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9589 attached [pid 9589] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9588] <... clone3 resumed> => {parent_tid=[9589]}, 88) = 9589 [pid 9589] <... rseq resumed>) = 0 [pid 9589] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9588] rt_sigprocmask(SIG_SETMASK, [] [pid 9589] rt_sigprocmask(SIG_SETMASK, [] [pid 9588] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9589] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9588] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9589] memfd_create("syzkaller", 0 [pid 9588] <... futex resumed>) = 0 [pid 9589] <... memfd_create resumed>) = 3 [pid 9588] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9589] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9589] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9589] munmap(0x7f0c24913000, 138412032) = 0 [pid 9589] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9589] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9589] close(3) = 0 [pid 9589] close(4) = 0 [pid 9589] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9589] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9589] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9589] ioctl(3, LOOP_CLR_FD) = 0 [pid 9589] close(3) = 0 [pid 9589] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9588] <... futex resumed>) = 0 [pid 9588] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9588] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9589] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9589] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9588] <... futex resumed>) = 0 [pid 9589] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9588] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9588] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9589] <... futex resumed>) = 0 [pid 9589] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9589] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9588] <... futex resumed>) = 0 [pid 9589] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9588] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9588] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9589] <... futex resumed>) = 0 [pid 9589] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9589] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9588] <... futex resumed>) = 0 [pid 9589] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9588] exit_group(0 [pid 9589] <... futex resumed>) = ? [pid 9588] <... exit_group resumed>) = ? [pid 9589] +++ exited with 0 +++ [pid 9588] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9588, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 410.479843][ T9589] EXT4-fs: quotafile must be on filesystem root ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9590 attached [pid 9590] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9590 [pid 9590] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9590] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9590] setpgid(0, 0) = 0 [pid 9590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9590] write(3, "1000", 4) = 4 [pid 9590] close(3) = 0 [pid 9590] write(1, "executing program\n", 18) = 18 executing program [pid 9590] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9590] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9590] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9590] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9590] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9591 attached => {parent_tid=[9591]}, 88) = 9591 [pid 9591] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9590] rt_sigprocmask(SIG_SETMASK, [] [pid 9591] <... rseq resumed>) = 0 [pid 9590] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9590] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9591] set_robust_list(0x7f0c2cd339a0, 24 [pid 9590] <... futex resumed>) = 0 [pid 9591] <... set_robust_list resumed>) = 0 [pid 9591] rt_sigprocmask(SIG_SETMASK, [] [pid 9590] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9591] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9591] memfd_create("syzkaller", 0) = 3 [pid 9591] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9591] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9591] munmap(0x7f0c24913000, 138412032) = 0 [pid 9591] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9591] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9591] close(3) = 0 [pid 9591] close(4) = 0 [pid 9591] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9591] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9591] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9591] ioctl(3, LOOP_CLR_FD) = 0 [pid 9591] close(3) = 0 [pid 9591] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9590] <... futex resumed>) = 0 [pid 9591] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9590] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9591] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9590] <... futex resumed>) = 0 [pid 9591] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9590] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9591] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9590] <... futex resumed>) = 0 [pid 9591] <... futex resumed>) = 1 [pid 9590] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9591] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9590] <... futex resumed>) = 0 [pid 9590] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9591] <... openat resumed>) = 3 [pid 9591] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9590] <... futex resumed>) = 0 [pid 9591] pwrite64(3, "\x02\x00", 2, 4 [pid 9590] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9591] <... pwrite64 resumed>) = 2 [pid 9590] <... futex resumed>) = 0 [pid 9590] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9591] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9591] <... futex resumed>) = 0 [pid 9590] exit_group(0 [pid 9591] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9590] <... exit_group resumed>) = ? [pid 9591] +++ exited with 0 +++ [pid 9590] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9590, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 410.609352][ T9591] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9592 attached [pid 9592] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9592] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9592 [pid 9592] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9592] <... prctl resumed>) = 0 [pid 9592] setpgid(0, 0) = 0 [pid 9592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9592] write(3, "1000", 4) = 4 [pid 9592] close(3) = 0 executing program [pid 9592] write(1, "executing program\n", 18) = 18 [pid 9592] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9592] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9592] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9592] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9593 attached => {parent_tid=[9593]}, 88) = 9593 [pid 9592] rt_sigprocmask(SIG_SETMASK, [] [pid 9593] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9592] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9592] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9593] set_robust_list(0x7f0c2cd339a0, 24 [pid 9592] <... futex resumed>) = 0 [pid 9593] <... set_robust_list resumed>) = 0 [pid 9593] rt_sigprocmask(SIG_SETMASK, [] [pid 9592] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9593] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9593] memfd_create("syzkaller", 0) = 3 [pid 9593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9593] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9593] munmap(0x7f0c24913000, 138412032) = 0 [pid 9593] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9593] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9593] close(3) = 0 [pid 9593] close(4) = 0 [pid 9593] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9593] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9593] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9593] ioctl(3, LOOP_CLR_FD) = 0 [pid 9593] close(3) = 0 [pid 9593] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9592] <... futex resumed>) = 0 [pid 9593] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9592] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9593] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9592] <... futex resumed>) = 0 [pid 9592] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9593] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9592] <... futex resumed>) = 0 [pid 9592] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9593] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9592] <... futex resumed>) = 0 [pid 9592] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9593] <... openat resumed>) = 3 [pid 9593] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9592] <... futex resumed>) = 0 [pid 9592] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9593] pwrite64(3, "\x02\x00", 2, 4 [pid 9592] <... futex resumed>) = 0 [pid 9593] <... pwrite64 resumed>) = 2 [pid 9592] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9593] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9592] <... futex resumed>) = 0 [pid 9593] <... futex resumed>) = 1 [pid 9592] exit_group(0 [pid 9593] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9592] <... exit_group resumed>) = ? [pid 9593] +++ exited with 0 +++ [pid 9592] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9592, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9594 ci2-upstream-fs/strace-static-x86_64: Process 9594 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9594] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9594] <... set_robust_list resumed>) = 0 [pid 9594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 410.784805][ T9593] EXT4-fs: quotafile must be on filesystem root [pid 9594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9594] setpgid(0, 0) = 0 [pid 9594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9594] write(3, "1000", 4) = 4 [pid 9594] close(3) = 0 executing program [pid 9594] write(1, "executing program\n", 18) = 18 [pid 9594] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9594] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9594] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9594] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9594] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9595 attached => {parent_tid=[9595]}, 88) = 9595 [pid 9595] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9594] rt_sigprocmask(SIG_SETMASK, [] [pid 9595] <... rseq resumed>) = 0 [pid 9594] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9595] set_robust_list(0x7f0c2cd339a0, 24 [pid 9594] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9595] <... set_robust_list resumed>) = 0 [pid 9594] <... futex resumed>) = 0 [pid 9595] rt_sigprocmask(SIG_SETMASK, [] [pid 9594] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9595] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9595] memfd_create("syzkaller", 0) = 3 [pid 9595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9595] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9595] munmap(0x7f0c24913000, 138412032) = 0 [pid 9595] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9595] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9595] close(3) = 0 [pid 9595] close(4) = 0 [pid 9595] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9595] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9595] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9595] ioctl(3, LOOP_CLR_FD) = 0 [pid 9595] close(3) = 0 [pid 9595] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9594] <... futex resumed>) = 0 [pid 9595] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9594] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9595] <... futex resumed>) = 0 [pid 9594] <... futex resumed>) = 1 [pid 9595] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9594] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9595] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9595] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9594] <... futex resumed>) = 0 [pid 9595] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9594] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9594] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9595] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9595] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9594] <... futex resumed>) = 0 [pid 9595] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9594] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9594] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9595] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9595] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9594] <... futex resumed>) = 0 [pid 9595] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9594] exit_group(0) = ? [pid 9595] <... futex resumed>) = ? [pid 9595] +++ exited with 0 +++ [pid 9594] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9594, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9596 attached , child_tidptr=0x555585adc6d0) = 9596 [pid 9596] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9596] setpgid(0, 0) = 0 [pid 9596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9596] write(3, "1000", 4) = 4 [pid 9596] close(3) = 0 [pid 9596] write(1, "executing program\n", 18) = 18 executing program [pid 9596] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 410.892103][ T9595] EXT4-fs: quotafile must be on filesystem root [pid 9596] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9596] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9596] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9596] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9597 attached [pid 9597] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9596] <... clone3 resumed> => {parent_tid=[9597]}, 88) = 9597 [pid 9597] <... rseq resumed>) = 0 [pid 9597] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9596] rt_sigprocmask(SIG_SETMASK, [] [pid 9597] rt_sigprocmask(SIG_SETMASK, [] [pid 9596] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9597] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9596] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9597] memfd_create("syzkaller", 0) = 3 [pid 9597] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 9596] <... futex resumed>) = 0 [pid 9597] <... mmap resumed>) = 0x7f0c24913000 [pid 9596] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9597] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9597] munmap(0x7f0c24913000, 138412032) = 0 [pid 9597] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9597] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9597] close(3) = 0 [pid 9597] close(4) = 0 [pid 9597] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9597] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9597] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9597] ioctl(3, LOOP_CLR_FD) = 0 [pid 9597] close(3) = 0 [pid 9597] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9596] <... futex resumed>) = 0 [pid 9597] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9596] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9597] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9596] <... futex resumed>) = 0 [pid 9596] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9597] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9596] <... futex resumed>) = 0 [pid 9597] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9596] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9597] <... openat resumed>) = 3 [pid 9596] <... futex resumed>) = 0 [pid 9596] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9597] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9596] <... futex resumed>) = 0 [pid 9597] pwrite64(3, "\x02\x00", 2, 4 [pid 9596] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9597] <... pwrite64 resumed>) = 2 [pid 9596] <... futex resumed>) = 0 [pid 9597] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9596] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9597] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9596] exit_group(0 [pid 9597] <... futex resumed>) = ? [pid 9596] <... exit_group resumed>) = ? [pid 9597] +++ exited with 0 +++ [pid 9596] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9596, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 411.012667][ T9597] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9598 attached , child_tidptr=0x555585adc6d0) = 9598 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9598] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9598] setpgid(0, 0) = 0 [pid 9598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9598] write(3, "1000", 4) = 4 [pid 9598] close(3) = 0 executing program [pid 9598] write(1, "executing program\n", 18) = 18 [pid 9598] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9598] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9598] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9598] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9599 attached => {parent_tid=[9599]}, 88) = 9599 [pid 9599] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9598] rt_sigprocmask(SIG_SETMASK, [] [pid 9599] <... rseq resumed>) = 0 [pid 9598] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9599] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9599] rt_sigprocmask(SIG_SETMASK, [] [pid 9598] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9599] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9598] <... futex resumed>) = 0 [pid 9599] memfd_create("syzkaller", 0 [pid 9598] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9599] <... memfd_create resumed>) = 3 [pid 9599] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9599] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9599] munmap(0x7f0c24913000, 138412032) = 0 [pid 9599] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9599] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9599] close(3) = 0 [pid 9599] close(4) = 0 [pid 9599] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9599] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9599] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9599] ioctl(3, LOOP_CLR_FD) = 0 [pid 9599] close(3) = 0 [pid 9599] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9598] <... futex resumed>) = 0 [pid 9599] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9598] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9598] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9599] <... futex resumed>) = 0 [pid 9599] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9599] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9598] <... futex resumed>) = 0 [pid 9599] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9598] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9599] <... futex resumed>) = 0 [pid 9598] <... futex resumed>) = 1 [pid 9599] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9598] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9599] <... openat resumed>) = 3 [pid 9599] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9598] <... futex resumed>) = 0 [pid 9599] pwrite64(3, "\x02\x00", 2, 4 [pid 9598] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9599] <... pwrite64 resumed>) = 2 [pid 9598] <... futex resumed>) = 0 [pid 9599] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9598] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9599] <... futex resumed>) = 0 [pid 9599] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9598] exit_group(0 [pid 9599] <... futex resumed>) = ? [pid 9598] <... exit_group resumed>) = ? [pid 9599] +++ exited with 0 +++ [pid 9598] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9598, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 411.170880][ T9599] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9600 attached , child_tidptr=0x555585adc6d0) = 9600 [pid 9600] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9600] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9600] setpgid(0, 0) = 0 [pid 9600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9600] write(3, "1000", 4) = 4 [pid 9600] close(3) = 0 [pid 9600] write(1, "executing program\n", 18) = 18 executing program [pid 9600] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9600] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9600] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9600] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9600] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9601 attached [pid 9601] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9600] <... clone3 resumed> => {parent_tid=[9601]}, 88) = 9601 [pid 9601] <... rseq resumed>) = 0 [pid 9600] rt_sigprocmask(SIG_SETMASK, [] [pid 9601] set_robust_list(0x7f0c2cd339a0, 24 [pid 9600] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9601] <... set_robust_list resumed>) = 0 [pid 9600] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9600] <... futex resumed>) = 0 [pid 9601] memfd_create("syzkaller", 0 [pid 9600] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9601] <... memfd_create resumed>) = 3 [pid 9601] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9601] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9601] munmap(0x7f0c24913000, 138412032) = 0 [pid 9601] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9601] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9601] close(3) = 0 [pid 9601] close(4) = 0 [pid 9601] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9601] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9601] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9601] ioctl(3, LOOP_CLR_FD) = 0 [pid 9601] close(3) = 0 [pid 9601] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9600] <... futex resumed>) = 0 [pid 9600] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9601] <... futex resumed>) = 1 [pid 9600] <... futex resumed>) = 0 [pid 9601] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9600] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9601] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9601] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9600] <... futex resumed>) = 0 [pid 9601] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9600] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9601] <... openat resumed>) = 3 [pid 9600] <... futex resumed>) = 0 [pid 9600] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9601] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9600] <... futex resumed>) = 0 [pid 9601] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9600] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9600] <... futex resumed>) = 0 [pid 9601] pwrite64(3, "\x02\x00", 2, 4 [pid 9600] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9601] <... pwrite64 resumed>) = 2 [pid 9601] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9600] <... futex resumed>) = 0 [pid 9601] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9600] exit_group(0 [pid 9601] <... futex resumed>) = ? [ 411.291127][ T9601] EXT4-fs: quotafile must be on filesystem root [pid 9600] <... exit_group resumed>) = ? [pid 9601] +++ exited with 0 +++ [pid 9600] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9600, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9602 attached , child_tidptr=0x555585adc6d0) = 9602 [pid 9602] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9602] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9602] setpgid(0, 0) = 0 [pid 9602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9602] write(3, "1000", 4) = 4 [pid 9602] close(3) = 0 [pid 9602] write(1, "executing program\n", 18) = 18 [pid 9602] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9602] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9602] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9602] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9602] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9602] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9603 attached [pid 9603] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9602] <... clone3 resumed> => {parent_tid=[9603]}, 88) = 9603 [pid 9603] set_robust_list(0x7f0c2cd339a0, 24 [pid 9602] rt_sigprocmask(SIG_SETMASK, [] [pid 9603] <... set_robust_list resumed>) = 0 [pid 9602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9603] rt_sigprocmask(SIG_SETMASK, [] [pid 9602] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9603] memfd_create("syzkaller", 0 [pid 9602] <... futex resumed>) = 0 [pid 9602] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9603] <... memfd_create resumed>) = 3 [pid 9603] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9603] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9603] munmap(0x7f0c24913000, 138412032) = 0 [pid 9603] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9603] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9603] close(3) = 0 [pid 9603] close(4) = 0 [pid 9603] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9603] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9603] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9603] ioctl(3, LOOP_CLR_FD) = 0 [pid 9603] close(3) = 0 [pid 9603] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9602] <... futex resumed>) = 0 [pid 9603] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9602] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9603] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9602] <... futex resumed>) = 0 [pid 9603] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9602] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9603] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9602] <... futex resumed>) = 0 [pid 9603] <... futex resumed>) = 1 [pid 9602] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9603] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9602] <... futex resumed>) = 0 [pid 9602] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9603] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9602] <... futex resumed>) = 0 [pid 9603] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9602] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9602] <... futex resumed>) = 0 [pid 9603] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9602] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9603] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9603] <... futex resumed>) = 0 [pid 9603] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9602] exit_group(0) = ? [pid 9603] <... futex resumed>) = ? [pid 9603] +++ exited with 0 +++ [pid 9602] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9602, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9604 attached , child_tidptr=0x555585adc6d0) = 9604 [pid 9604] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9604] <... set_robust_list resumed>) = 0 [pid 9604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 411.432873][ T9603] EXT4-fs: quotafile must be on filesystem root [pid 9604] setpgid(0, 0) = 0 [pid 9604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9604] write(3, "1000", 4) = 4 [pid 9604] close(3) = 0 executing program [pid 9604] write(1, "executing program\n", 18) = 18 [pid 9604] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9604] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9604] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9604] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9604] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9605 attached => {parent_tid=[9605]}, 88) = 9605 [pid 9605] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9604] rt_sigprocmask(SIG_SETMASK, [] [pid 9605] <... rseq resumed>) = 0 [pid 9604] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9605] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9604] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9605] rt_sigprocmask(SIG_SETMASK, [] [pid 9604] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9605] memfd_create("syzkaller", 0) = 3 [pid 9605] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9605] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9605] munmap(0x7f0c24913000, 138412032) = 0 [pid 9605] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9605] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9605] close(3) = 0 [pid 9605] close(4) = 0 [pid 9605] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9605] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9605] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9605] ioctl(3, LOOP_CLR_FD) = 0 [pid 9605] close(3) = 0 [pid 9605] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9605] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9604] <... futex resumed>) = 0 [pid 9604] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9605] <... futex resumed>) = 0 [pid 9604] <... futex resumed>) = 1 [pid 9605] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9604] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9605] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9605] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9604] <... futex resumed>) = 0 [pid 9604] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9605] <... futex resumed>) = 0 [pid 9604] <... futex resumed>) = 1 [pid 9605] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9604] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9605] <... openat resumed>) = 3 [pid 9605] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9604] <... futex resumed>) = 0 [pid 9605] <... futex resumed>) = 1 [pid 9604] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9605] pwrite64(3, "\x02\x00", 2, 4 [pid 9604] <... futex resumed>) = 0 [pid 9605] <... pwrite64 resumed>) = 2 [pid 9604] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9605] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9604] <... futex resumed>) = 0 [pid 9605] <... futex resumed>) = 1 [pid 9604] exit_group(0 [pid 9605] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9604] <... exit_group resumed>) = ? [pid 9605] +++ exited with 0 +++ [pid 9604] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9604, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 411.560478][ T9605] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9606 attached , child_tidptr=0x555585adc6d0) = 9606 [pid 9606] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9606] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9606] setpgid(0, 0) = 0 [pid 9606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9606] write(3, "1000", 4) = 4 [pid 9606] close(3) = 0 [pid 9606] write(1, "executing program\n", 18) = 18 executing program [pid 9606] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9606] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9606] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9606] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9607 attached [pid 9607] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9606] <... clone3 resumed> => {parent_tid=[9607]}, 88) = 9607 [pid 9607] set_robust_list(0x7f0c2cd339a0, 24 [pid 9606] rt_sigprocmask(SIG_SETMASK, [] [pid 9607] <... set_robust_list resumed>) = 0 [pid 9607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9607] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9606] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9607] memfd_create("syzkaller", 0 [pid 9606] <... futex resumed>) = 0 [pid 9606] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9607] <... memfd_create resumed>) = 3 [pid 9607] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9607] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9607] munmap(0x7f0c24913000, 138412032) = 0 [pid 9607] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9607] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9607] close(3) = 0 [pid 9607] close(4) = 0 [pid 9607] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9607] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9607] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9607] ioctl(3, LOOP_CLR_FD) = 0 [pid 9607] close(3) = 0 [pid 9607] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9607] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9606] <... futex resumed>) = 0 [pid 9606] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9607] <... futex resumed>) = 0 [pid 9606] <... futex resumed>) = 1 [pid 9607] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9606] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9607] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9606] <... futex resumed>) = 0 [pid 9607] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9606] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9607] <... openat resumed>) = 3 [pid 9606] <... futex resumed>) = 0 [pid 9606] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9607] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9607] <... futex resumed>) = 0 [pid 9606] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9607] pwrite64(3, "\x02\x00", 2, 4 [pid 9606] <... futex resumed>) = 0 [pid 9606] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9607] <... pwrite64 resumed>) = 2 [pid 9607] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9606] <... futex resumed>) = 0 [pid 9607] <... futex resumed>) = 1 [pid 9606] exit_group(0 [pid 9607] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9606] <... exit_group resumed>) = ? [pid 9607] <... futex resumed>) = ? [pid 9607] +++ exited with 0 +++ [pid 9606] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9606, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9608 attached , child_tidptr=0x555585adc6d0) = 9608 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9608] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9608] <... set_robust_list resumed>) = 0 [pid 9608] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9608] setpgid(0, 0) = 0 [pid 9608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9608] write(3, "1000", 4) = 4 [ 411.661980][ T9607] EXT4-fs: quotafile must be on filesystem root [pid 9608] close(3) = 0 [pid 9608] write(1, "executing program\n", 18) = 18 executing program [pid 9608] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9608] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9608] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9608] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9608] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9608] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9609 attached [pid 9609] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9608] <... clone3 resumed> => {parent_tid=[9609]}, 88) = 9609 [pid 9609] <... rseq resumed>) = 0 [pid 9609] set_robust_list(0x7f0c2cd339a0, 24 [pid 9608] rt_sigprocmask(SIG_SETMASK, [] [pid 9609] <... set_robust_list resumed>) = 0 [pid 9608] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9608] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9609] memfd_create("syzkaller", 0 [pid 9608] <... futex resumed>) = 0 [pid 9609] <... memfd_create resumed>) = 3 [pid 9608] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9609] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9609] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9609] munmap(0x7f0c24913000, 138412032) = 0 [pid 9609] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9609] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9609] close(3) = 0 [pid 9609] close(4) = 0 [pid 9609] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9609] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9609] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9609] ioctl(3, LOOP_CLR_FD) = 0 [pid 9609] close(3) = 0 [pid 9609] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9608] <... futex resumed>) = 0 [pid 9609] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9608] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9608] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9609] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9609] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9608] <... futex resumed>) = 0 [pid 9609] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9608] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9608] <... futex resumed>) = 0 [pid 9609] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9608] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9609] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9609] <... futex resumed>) = 0 [pid 9608] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9609] pwrite64(3, "\x02\x00", 2, 4 [pid 9608] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9609] <... pwrite64 resumed>) = 2 [pid 9609] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9608] <... futex resumed>) = 0 [pid 9609] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9608] exit_group(0) = ? [pid 9609] <... futex resumed>) = ? [pid 9609] +++ exited with 0 +++ [pid 9608] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9608, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9610 ci2-upstream-fs/strace-static-x86_64: Process 9610 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9610] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9610] setpgid(0, 0) = 0 [pid 9610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9610] write(3, "1000", 4) = 4 [pid 9610] close(3) = 0 [pid 9610] write(1, "executing program\n", 18) = 18 executing program [pid 9610] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9610] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9610] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9610] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9610] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9610] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9611 attached [pid 9611] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9610] <... clone3 resumed> => {parent_tid=[9611]}, 88) = 9611 [ 411.753654][ T9609] EXT4-fs: quotafile must be on filesystem root [pid 9611] <... rseq resumed>) = 0 [pid 9610] rt_sigprocmask(SIG_SETMASK, [] [pid 9611] set_robust_list(0x7f0c2cd339a0, 24 [pid 9610] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9611] <... set_robust_list resumed>) = 0 [pid 9610] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9611] rt_sigprocmask(SIG_SETMASK, [] [pid 9610] <... futex resumed>) = 0 [pid 9611] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9610] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9611] memfd_create("syzkaller", 0) = 3 [pid 9611] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9611] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9611] munmap(0x7f0c24913000, 138412032) = 0 [pid 9611] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9611] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9611] close(3) = 0 [pid 9611] close(4) = 0 [pid 9611] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9611] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9611] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9611] ioctl(3, LOOP_CLR_FD) = 0 [pid 9611] close(3) = 0 [pid 9611] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9610] <... futex resumed>) = 0 [pid 9611] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9610] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9610] <... futex resumed>) = 0 [pid 9611] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9610] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9611] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9611] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9610] <... futex resumed>) = 0 [pid 9611] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9610] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9610] <... futex resumed>) = 0 [pid 9611] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9610] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9611] <... openat resumed>) = 3 [pid 9611] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9610] <... futex resumed>) = 0 [pid 9611] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9610] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9611] <... futex resumed>) = 0 [pid 9610] <... futex resumed>) = 1 [pid 9611] pwrite64(3, "\x02\x00", 2, 4 [pid 9610] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9611] <... pwrite64 resumed>) = 2 [pid 9611] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9610] <... futex resumed>) = 0 [pid 9611] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9610] exit_group(0) = ? [pid 9611] <... futex resumed>) = ? [pid 9611] +++ exited with 0 +++ [pid 9610] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9612 attached [ 411.842324][ T9611] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9612 [pid 9612] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9612] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9612] setpgid(0, 0) = 0 [pid 9612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9612] write(3, "1000", 4) = 4 [pid 9612] close(3) = 0 executing program [pid 9612] write(1, "executing program\n", 18) = 18 [pid 9612] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9612] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9612] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9612] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9612] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9613 attached => {parent_tid=[9613]}, 88) = 9613 [pid 9612] rt_sigprocmask(SIG_SETMASK, [] [pid 9613] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9613] set_robust_list(0x7f0c2cd339a0, 24 [pid 9612] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9613] <... set_robust_list resumed>) = 0 [pid 9612] <... futex resumed>) = 0 [pid 9613] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9612] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9613] memfd_create("syzkaller", 0) = 3 [pid 9613] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9613] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9613] munmap(0x7f0c24913000, 138412032) = 0 [pid 9613] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9613] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9613] close(3) = 0 [pid 9613] close(4) = 0 [pid 9613] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9613] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9613] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9613] ioctl(3, LOOP_CLR_FD) = 0 [pid 9613] close(3) = 0 [pid 9613] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9612] <... futex resumed>) = 0 [pid 9613] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9612] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9613] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9612] <... futex resumed>) = 0 [pid 9613] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9612] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9613] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9612] <... futex resumed>) = 0 [pid 9612] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9613] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9612] <... futex resumed>) = 0 [pid 9613] <... openat resumed>) = 3 [pid 9612] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9613] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9612] <... futex resumed>) = 0 [pid 9613] pwrite64(3, "\x02\x00", 2, 4 [pid 9612] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9613] <... pwrite64 resumed>) = 2 [pid 9612] <... futex resumed>) = 0 [pid 9612] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9613] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9612] <... futex resumed>) = 0 [pid 9613] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9612] exit_group(0) = ? [pid 9613] <... futex resumed>) = ? [pid 9613] +++ exited with 0 +++ [pid 9612] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9612, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 411.944999][ T9613] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9614 attached [pid 9614] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9614 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9614] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9614] setpgid(0, 0) = 0 [pid 9614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9614] write(3, "1000", 4) = 4 [pid 9614] close(3) = 0 [pid 9614] write(1, "executing program\n", 18) = 18 executing program [pid 9614] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9614] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9614] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9614] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9614] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9614] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9615 attached [pid 9615] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9614] <... clone3 resumed> => {parent_tid=[9615]}, 88) = 9615 [pid 9615] <... rseq resumed>) = 0 [pid 9615] set_robust_list(0x7f0c2cd339a0, 24 [pid 9614] rt_sigprocmask(SIG_SETMASK, [] [pid 9615] <... set_robust_list resumed>) = 0 [pid 9614] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9614] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9615] memfd_create("syzkaller", 0 [pid 9614] <... futex resumed>) = 0 [pid 9615] <... memfd_create resumed>) = 3 [pid 9614] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9615] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9615] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9615] munmap(0x7f0c24913000, 138412032) = 0 [pid 9615] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9615] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9615] close(3) = 0 [pid 9615] close(4) = 0 [pid 9615] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9615] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9615] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9615] ioctl(3, LOOP_CLR_FD) = 0 [pid 9615] close(3) = 0 [pid 9615] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9614] <... futex resumed>) = 0 [pid 9615] <... futex resumed>) = 1 [pid 9614] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9615] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9614] <... futex resumed>) = 0 [pid 9615] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9614] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9615] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9614] <... futex resumed>) = 0 [pid 9614] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9615] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9614] <... futex resumed>) = 0 [pid 9615] <... openat resumed>) = 3 [pid 9614] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9615] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9614] <... futex resumed>) = 0 [pid 9614] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9615] pwrite64(3, "\x02\x00", 2, 4 [pid 9614] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9615] <... pwrite64 resumed>) = 2 [pid 9615] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9615] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9614] <... futex resumed>) = 0 [pid 9614] exit_group(0) = ? [pid 9615] <... futex resumed>) = ? [pid 9615] +++ exited with 0 +++ [pid 9614] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9614, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9616 attached [pid 9616] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9616 [pid 9616] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9616] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9616] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9616] setpgid(0, 0) = 0 [ 412.062362][ T9615] EXT4-fs: quotafile must be on filesystem root [pid 9616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9616] write(3, "1000", 4) = 4 [pid 9616] close(3) = 0 [pid 9616] write(1, "executing program\n", 18) = 18 executing program [pid 9616] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9616] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9616] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9616] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9616] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9617 attached => {parent_tid=[9617]}, 88) = 9617 [pid 9617] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9616] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9617] set_robust_list(0x7f0c2cd339a0, 24 [pid 9616] <... futex resumed>) = 0 [pid 9617] <... set_robust_list resumed>) = 0 [pid 9616] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9617] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9617] memfd_create("syzkaller", 0) = 3 [pid 9617] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9617] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9617] munmap(0x7f0c24913000, 138412032) = 0 [pid 9617] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9617] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9617] close(3) = 0 [pid 9617] close(4) = 0 [pid 9617] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9617] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9617] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9617] ioctl(3, LOOP_CLR_FD) = 0 [pid 9617] close(3) = 0 [pid 9617] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9616] <... futex resumed>) = 0 [pid 9617] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9616] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9617] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9616] <... futex resumed>) = 0 [pid 9617] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9616] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9617] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9616] <... futex resumed>) = 0 [pid 9617] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9616] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9616] <... futex resumed>) = 0 [pid 9617] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9616] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9617] <... openat resumed>) = 3 [pid 9617] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9616] <... futex resumed>) = 0 [pid 9616] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9617] pwrite64(3, "\x02\x00", 2, 4 [pid 9616] <... futex resumed>) = 0 [pid 9616] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9617] <... pwrite64 resumed>) = 2 [pid 9617] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9616] <... futex resumed>) = 0 [pid 9617] <... futex resumed>) = 1 [pid 9616] exit_group(0 [pid 9617] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9616] <... exit_group resumed>) = ? [pid 9617] +++ exited with 0 +++ [pid 9616] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9618 attached [ 412.177527][ T9617] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9618 [pid 9618] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9618] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9618] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9618] setpgid(0, 0) = 0 [pid 9618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9618] write(3, "1000", 4) = 4 [pid 9618] close(3) = 0 [pid 9618] write(1, "executing program\n", 18) = 18 executing program [pid 9618] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9618] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9618] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9618] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9618] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9619 attached [pid 9619] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9618] <... clone3 resumed> => {parent_tid=[9619]}, 88) = 9619 [pid 9619] <... rseq resumed>) = 0 [pid 9618] rt_sigprocmask(SIG_SETMASK, [] [pid 9619] set_robust_list(0x7f0c2cd339a0, 24 [pid 9618] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9619] <... set_robust_list resumed>) = 0 [pid 9618] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9619] rt_sigprocmask(SIG_SETMASK, [] [pid 9618] <... futex resumed>) = 0 [pid 9619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9618] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9619] memfd_create("syzkaller", 0) = 3 [pid 9619] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9619] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9619] munmap(0x7f0c24913000, 138412032) = 0 [pid 9619] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9619] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9619] close(3) = 0 [pid 9619] close(4) = 0 [pid 9619] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9619] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9619] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9619] ioctl(3, LOOP_CLR_FD) = 0 [pid 9619] close(3) = 0 [pid 9619] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9618] <... futex resumed>) = 0 [pid 9619] <... futex resumed>) = 1 [pid 9618] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9619] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9618] <... futex resumed>) = 0 [pid 9618] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9619] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9619] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9618] <... futex resumed>) = 0 [pid 9619] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9618] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9618] <... futex resumed>) = 0 [pid 9619] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9618] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9619] <... openat resumed>) = 3 [pid 9619] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9618] <... futex resumed>) = 0 [pid 9619] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9618] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9618] <... futex resumed>) = 0 [pid 9619] pwrite64(3, "\x02\x00", 2, 4 [pid 9618] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9619] <... pwrite64 resumed>) = 2 [pid 9619] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9618] <... futex resumed>) = 0 [pid 9619] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9618] exit_group(0 [pid 9619] <... futex resumed>) = ? [pid 9618] <... exit_group resumed>) = ? [pid 9619] +++ exited with 0 +++ [pid 9618] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9618, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9620 attached , child_tidptr=0x555585adc6d0) = 9620 [pid 9620] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9620] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9620] setpgid(0, 0) = 0 [pid 9620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9620] write(3, "1000", 4) = 4 [pid 9620] close(3) = 0 [pid 9620] write(1, "executing program\n", 18) = 18 executing program [pid 9620] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9620] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9620] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 412.269223][ T9619] EXT4-fs: quotafile must be on filesystem root [pid 9620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9620] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9620] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9621 attached => {parent_tid=[9621]}, 88) = 9621 [pid 9621] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9620] rt_sigprocmask(SIG_SETMASK, [] [pid 9621] <... rseq resumed>) = 0 [pid 9620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9621] set_robust_list(0x7f0c2cd339a0, 24 [pid 9620] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9620] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9621] <... set_robust_list resumed>) = 0 [pid 9621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9621] memfd_create("syzkaller", 0) = 3 [pid 9621] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9621] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9621] munmap(0x7f0c24913000, 138412032) = 0 [pid 9621] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9621] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9621] close(3) = 0 [pid 9621] close(4) = 0 [pid 9621] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9621] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9621] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9621] ioctl(3, LOOP_CLR_FD) = 0 [pid 9621] close(3) = 0 [pid 9621] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9620] <... futex resumed>) = 0 [pid 9621] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9620] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9620] <... futex resumed>) = 0 [pid 9621] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9620] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9621] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9620] <... futex resumed>) = 0 [pid 9620] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9621] <... futex resumed>) = 1 [pid 9620] <... futex resumed>) = 0 [pid 9621] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9620] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9621] <... openat resumed>) = 3 [pid 9621] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9620] <... futex resumed>) = 0 [pid 9621] pwrite64(3, "\x02\x00", 2, 4 [pid 9620] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9621] <... pwrite64 resumed>) = 2 [pid 9620] <... futex resumed>) = 0 [pid 9621] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9620] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9621] <... futex resumed>) = 0 [pid 9621] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9620] exit_group(0 [pid 9621] <... futex resumed>) = ? [pid 9621] +++ exited with 0 +++ [pid 9620] <... exit_group resumed>) = ? [pid 9620] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9622 attached , child_tidptr=0x555585adc6d0) = 9622 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9622] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9622] <... set_robust_list resumed>) = 0 [pid 9622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9622] setpgid(0, 0) = 0 [pid 9622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9622] write(3, "1000", 4) = 4 [pid 9622] close(3) = 0 [pid 9622] write(1, "executing program\n", 18) = 18 executing program [pid 9622] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9622] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9622] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9622] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9622] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9622] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9623 attached [pid 9623] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9622] <... clone3 resumed> => {parent_tid=[9623]}, 88) = 9623 [pid 9623] <... rseq resumed>) = 0 [pid 9622] rt_sigprocmask(SIG_SETMASK, [] [pid 9623] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9623] rt_sigprocmask(SIG_SETMASK, [] [pid 9622] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9622] <... futex resumed>) = 0 [pid 9623] memfd_create("syzkaller", 0 [pid 9622] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9623] <... memfd_create resumed>) = 3 [pid 9623] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9623] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9623] munmap(0x7f0c24913000, 138412032) = 0 [ 412.361386][ T9621] EXT4-fs: quotafile must be on filesystem root [pid 9623] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9623] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9623] close(3) = 0 [pid 9623] close(4) = 0 [pid 9623] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9623] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9623] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9623] ioctl(3, LOOP_CLR_FD) = 0 [pid 9623] close(3) = 0 [pid 9623] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9622] <... futex resumed>) = 0 [pid 9622] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9623] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9622] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9623] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9623] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9623] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9622] <... futex resumed>) = 0 [pid 9622] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9623] <... futex resumed>) = 0 [pid 9623] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9622] <... futex resumed>) = 1 [pid 9623] <... openat resumed>) = 3 [pid 9622] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9623] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9622] <... futex resumed>) = 0 [pid 9623] <... futex resumed>) = 1 [pid 9622] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9623] pwrite64(3, "\x02\x00", 2, 4 [pid 9622] <... futex resumed>) = 0 [pid 9623] <... pwrite64 resumed>) = 2 [pid 9622] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9623] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9623] <... futex resumed>) = 0 [pid 9622] exit_group(0 [pid 9623] ???( [pid 9622] <... exit_group resumed>) = ? [pid 9623] <... ??? resumed>) = ? [pid 9623] +++ exited with 0 +++ [pid 9622] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 412.443226][ T9623] EXT4-fs: quotafile must be on filesystem root ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9624 attached , child_tidptr=0x555585adc6d0) = 9624 [pid 9624] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9624] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9624] setpgid(0, 0) = 0 [pid 9624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9624] write(3, "1000", 4) = 4 [pid 9624] close(3) = 0 [pid 9624] write(1, "executing program\n", 18) = 18 executing program [pid 9624] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9624] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9624] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9624] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9625 attached [pid 9625] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9624] <... clone3 resumed> => {parent_tid=[9625]}, 88) = 9625 [pid 9625] set_robust_list(0x7f0c2cd339a0, 24 [pid 9624] rt_sigprocmask(SIG_SETMASK, [] [pid 9625] <... set_robust_list resumed>) = 0 [pid 9624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9625] rt_sigprocmask(SIG_SETMASK, [] [pid 9624] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9624] <... futex resumed>) = 0 [pid 9625] memfd_create("syzkaller", 0 [pid 9624] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9625] <... memfd_create resumed>) = 3 [pid 9625] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9625] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9625] munmap(0x7f0c24913000, 138412032) = 0 [pid 9625] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9625] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9625] close(3) = 0 [pid 9625] close(4) = 0 [pid 9625] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9625] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9625] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9625] ioctl(3, LOOP_CLR_FD) = 0 [pid 9625] close(3) = 0 [pid 9625] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9624] <... futex resumed>) = 0 [pid 9625] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9624] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9624] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9625] <... futex resumed>) = 0 [pid 9625] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9625] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9624] <... futex resumed>) = 0 [pid 9625] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9624] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9624] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9625] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9625] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9624] <... futex resumed>) = 0 [pid 9625] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9624] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9624] <... futex resumed>) = 0 [pid 9625] pwrite64(3, "\x02\x00", 2, 4 [pid 9624] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9625] <... pwrite64 resumed>) = 2 [pid 9625] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9624] <... futex resumed>) = 0 [pid 9625] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9624] exit_group(0) = ? [pid 9625] <... futex resumed>) = ? [pid 9625] +++ exited with 0 +++ [pid 9624] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9624, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9626 rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 9626 attached , NULL, 8) = 0 [ 412.614465][ T9625] EXT4-fs: quotafile must be on filesystem root [pid 9626] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9626] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9626] setpgid(0, 0) = 0 [pid 9626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9626] write(3, "1000", 4) = 4 [pid 9626] close(3) = 0 executing program [pid 9626] write(1, "executing program\n", 18) = 18 [pid 9626] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9626] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9626] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9626] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9627]}, 88) = 9627 [pid 9626] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 9627 attached , NULL, 8) = 0 [pid 9626] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9627] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9626] <... futex resumed>) = 0 [pid 9627] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9626] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9627] memfd_create("syzkaller", 0) = 3 [pid 9627] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9627] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9627] munmap(0x7f0c24913000, 138412032) = 0 [pid 9627] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9627] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9627] close(3) = 0 [pid 9627] close(4) = 0 [pid 9627] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9627] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9627] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9627] ioctl(3, LOOP_CLR_FD) = 0 [pid 9627] close(3) = 0 [pid 9627] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9626] <... futex resumed>) = 0 [pid 9626] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9627] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9626] <... futex resumed>) = 0 [pid 9627] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9626] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9627] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9627] <... futex resumed>) = 0 [pid 9626] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9627] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9626] <... futex resumed>) = 0 [pid 9626] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9627] <... openat resumed>) = 3 [pid 9627] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9626] <... futex resumed>) = 0 [pid 9626] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9627] pwrite64(3, "\x02\x00", 2, 4 [pid 9626] <... futex resumed>) = 0 [pid 9627] <... pwrite64 resumed>) = 2 [pid 9626] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9627] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9626] <... futex resumed>) = 0 [pid 9626] exit_group(0 [pid 9627] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9626] <... exit_group resumed>) = ? [pid 9627] +++ exited with 0 +++ [pid 9626] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9626, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 412.721329][ T9627] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9628 attached , child_tidptr=0x555585adc6d0) = 9628 [pid 9628] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9628] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9628] setpgid(0, 0) = 0 [pid 9628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9628] write(3, "1000", 4) = 4 [pid 9628] close(3) = 0 executing program [pid 9628] write(1, "executing program\n", 18) = 18 [pid 9628] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9628] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9628] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9628] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9628] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9628] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9628] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9629 attached => {parent_tid=[9629]}, 88) = 9629 [pid 9628] rt_sigprocmask(SIG_SETMASK, [] [pid 9629] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9629] set_robust_list(0x7f0c2cd339a0, 24 [pid 9628] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9629] <... set_robust_list resumed>) = 0 [pid 9628] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9629] memfd_create("syzkaller", 0) = 3 [pid 9629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9629] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9629] munmap(0x7f0c24913000, 138412032) = 0 [pid 9629] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9629] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9629] close(3) = 0 [pid 9629] close(4) = 0 [pid 9629] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9629] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9629] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9629] ioctl(3, LOOP_CLR_FD) = 0 [pid 9629] close(3) = 0 [pid 9629] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9628] <... futex resumed>) = 0 [pid 9628] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9629] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9628] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9629] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9629] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9628] <... futex resumed>) = 0 [pid 9629] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9628] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9629] <... futex resumed>) = 0 [pid 9628] <... futex resumed>) = 1 [pid 9629] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9628] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9629] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9628] <... futex resumed>) = 0 [pid 9629] pwrite64(3, "\x02\x00", 2, 4 [pid 9628] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9629] <... pwrite64 resumed>) = 2 [pid 9628] <... futex resumed>) = 0 [pid 9628] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9629] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9628] <... futex resumed>) = 0 [pid 9629] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9628] exit_group(0 [pid 9629] <... futex resumed>) = ? [pid 9628] <... exit_group resumed>) = ? [pid 9629] +++ exited with 0 +++ [pid 9628] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9628, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 412.856960][ T9629] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9630 attached , child_tidptr=0x555585adc6d0) = 9630 [pid 9630] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9630] setpgid(0, 0) = 0 [pid 9630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9630] write(3, "1000", 4) = 4 [pid 9630] close(3) = 0 [pid 9630] write(1, "executing program\n", 18) = 18 executing program [pid 9630] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9630] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9630] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9630] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9631 attached [pid 9631] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9631] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9631] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9630] <... clone3 resumed> => {parent_tid=[9631]}, 88) = 9631 [pid 9630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9630] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9631] <... futex resumed>) = 0 [pid 9630] <... futex resumed>) = 1 [pid 9631] memfd_create("syzkaller", 0 [pid 9630] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9631] <... memfd_create resumed>) = 3 [pid 9631] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9631] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9631] munmap(0x7f0c24913000, 138412032) = 0 [pid 9631] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9631] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9631] close(3) = 0 [pid 9631] close(4) = 0 [pid 9631] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9631] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9631] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9631] ioctl(3, LOOP_CLR_FD) = 0 [pid 9631] close(3) = 0 [pid 9631] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9630] <... futex resumed>) = 0 [pid 9631] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9630] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9630] <... futex resumed>) = 0 [pid 9630] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9631] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9631] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9630] <... futex resumed>) = 0 [pid 9630] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9631] <... futex resumed>) = 1 [pid 9630] <... futex resumed>) = 0 [pid 9631] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9630] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9631] <... openat resumed>) = 3 [pid 9631] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9630] <... futex resumed>) = 0 [pid 9630] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9631] pwrite64(3, "\x02\x00", 2, 4 [pid 9630] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9631] <... pwrite64 resumed>) = 2 [pid 9631] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9630] <... futex resumed>) = 0 [pid 9631] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9630] exit_group(0 [pid 9631] <... futex resumed>) = ? [pid 9630] <... exit_group resumed>) = ? [pid 9631] +++ exited with 0 +++ [pid 9630] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9630, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9632 attached , child_tidptr=0x555585adc6d0) = 9632 [pid 9632] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9632] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9632] setpgid(0, 0) = 0 [pid 9632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9632] write(3, "1000", 4) = 4 [pid 9632] close(3) = 0 [pid 9632] write(1, "executing program\n", 18) = 18 [pid 9632] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9632] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9632] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 executing program [pid 9632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9632] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9632] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9632] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9633 attached => {parent_tid=[9633]}, 88) = 9633 [pid 9632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9632] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 412.966988][ T9631] EXT4-fs: quotafile must be on filesystem root [pid 9632] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9633] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9633] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9633] memfd_create("syzkaller", 0) = 3 [pid 9633] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9633] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9633] munmap(0x7f0c24913000, 138412032) = 0 [pid 9633] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9633] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9633] close(3) = 0 [pid 9633] close(4) = 0 [pid 9633] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9633] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9633] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9633] ioctl(3, LOOP_CLR_FD) = 0 [pid 9633] close(3) = 0 [pid 9633] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9632] <... futex resumed>) = 0 [pid 9632] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9632] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9633] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9633] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9632] <... futex resumed>) = 0 [pid 9632] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9633] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9632] <... futex resumed>) = 0 [pid 9632] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9633] <... openat resumed>) = 3 [pid 9633] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9632] <... futex resumed>) = 0 [pid 9633] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9632] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9633] <... futex resumed>) = 0 [pid 9632] <... futex resumed>) = 1 [pid 9633] pwrite64(3, "\x02\x00", 2, 4 [pid 9632] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9633] <... pwrite64 resumed>) = 2 [pid 9633] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9632] <... futex resumed>) = 0 [pid 9633] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9632] exit_group(0) = ? [pid 9633] <... futex resumed>) = ? [pid 9633] +++ exited with 0 +++ [pid 9632] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9632, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 413.043355][ T9633] set_capacity_and_notify: 32 callbacks suppressed [ 413.044071][ T9633] loop0: detected capacity change from 0 to 512 [ 413.058393][ T9633] EXT4-fs: quotafile must be on filesystem root ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9634 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 9634 attached [pid 9634] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9634] setpgid(0, 0) = 0 [pid 9634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9634] write(3, "1000", 4) = 4 [pid 9634] close(3) = 0 [pid 9634] write(1, "executing program\n", 18) = 18 executing program [pid 9634] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9634] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9634] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9634] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9635 attached [pid 9635] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9634] <... clone3 resumed> => {parent_tid=[9635]}, 88) = 9635 [pid 9635] <... rseq resumed>) = 0 [pid 9635] set_robust_list(0x7f0c2cd339a0, 24 [pid 9634] rt_sigprocmask(SIG_SETMASK, [] [pid 9635] <... set_robust_list resumed>) = 0 [pid 9634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9635] rt_sigprocmask(SIG_SETMASK, [] [pid 9634] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9634] <... futex resumed>) = 0 [pid 9635] memfd_create("syzkaller", 0 [pid 9634] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9635] <... memfd_create resumed>) = 3 [pid 9635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9635] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9635] munmap(0x7f0c24913000, 138412032) = 0 [pid 9635] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9635] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9635] close(3) = 0 [pid 9635] close(4) = 0 [pid 9635] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9635] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9635] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9635] ioctl(3, LOOP_CLR_FD) = 0 [pid 9635] close(3) = 0 [pid 9635] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9634] <... futex resumed>) = 0 [pid 9635] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9634] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9635] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9634] <... futex resumed>) = 0 [pid 9634] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9635] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9635] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9634] <... futex resumed>) = 0 [pid 9635] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9634] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9635] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9634] <... futex resumed>) = 0 [pid 9634] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9635] <... openat resumed>) = 3 [pid 9635] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9634] <... futex resumed>) = 0 [pid 9635] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9634] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9634] <... futex resumed>) = 0 [pid 9634] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9635] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9635] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9634] <... futex resumed>) = 0 [pid 9635] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9634] exit_group(0 [pid 9635] <... futex resumed>) = ? [ 413.178108][ T9635] loop0: detected capacity change from 0 to 512 [ 413.199933][ T9635] EXT4-fs: quotafile must be on filesystem root [pid 9634] <... exit_group resumed>) = ? [pid 9635] +++ exited with 0 +++ [pid 9634] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9636 attached , child_tidptr=0x555585adc6d0) = 9636 [pid 9636] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9636] <... set_robust_list resumed>) = 0 [pid 9636] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9636] setpgid(0, 0) = 0 [pid 9636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9636] write(3, "1000", 4) = 4 [pid 9636] close(3) = 0 [pid 9636] write(1, "executing program\n", 18) = 18 executing program [pid 9636] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9636] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9636] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9636] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9637 attached => {parent_tid=[9637]}, 88) = 9637 [pid 9636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9636] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9637] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9636] <... futex resumed>) = 0 [pid 9637] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9636] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9637] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9637] memfd_create("syzkaller", 0) = 3 [pid 9637] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9637] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9637] munmap(0x7f0c24913000, 138412032) = 0 [pid 9637] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9637] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9637] close(3) = 0 [pid 9637] close(4) = 0 [pid 9637] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9637] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9637] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9637] ioctl(3, LOOP_CLR_FD) = 0 [pid 9637] close(3) = 0 [pid 9637] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9636] <... futex resumed>) = 0 [pid 9637] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9636] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9636] <... futex resumed>) = 0 [pid 9637] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9636] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9637] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9637] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9636] <... futex resumed>) = 0 [pid 9637] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9636] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9636] <... futex resumed>) = 0 [pid 9637] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9636] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9637] <... openat resumed>) = 3 [pid 9637] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9636] <... futex resumed>) = 0 [pid 9637] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9636] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9636] <... futex resumed>) = 0 [pid 9637] pwrite64(3, "\x02\x00", 2, 4 [pid 9636] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9637] <... pwrite64 resumed>) = 2 [pid 9637] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9636] <... futex resumed>) = 0 [pid 9637] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9636] exit_group(0) = ? [pid 9637] <... futex resumed>) = ? [pid 9637] +++ exited with 0 +++ [pid 9636] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9636, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9638 attached [ 413.341484][ T9637] loop0: detected capacity change from 0 to 512 [ 413.347094][ T9637] EXT4-fs: quotafile must be on filesystem root [pid 9638] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9638 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9638] <... set_robust_list resumed>) = 0 [pid 9638] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9638] setpgid(0, 0) = 0 [pid 9638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9638] write(3, "1000", 4) = 4 [pid 9638] close(3) = 0 [pid 9638] write(1, "executing program\n", 18) = 18 executing program [pid 9638] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9638] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9638] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9638] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9638] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9639 attached [pid 9639] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9638] <... clone3 resumed> => {parent_tid=[9639]}, 88) = 9639 [pid 9639] set_robust_list(0x7f0c2cd339a0, 24 [pid 9638] rt_sigprocmask(SIG_SETMASK, [] [pid 9639] <... set_robust_list resumed>) = 0 [pid 9639] rt_sigprocmask(SIG_SETMASK, [] [pid 9638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9638] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9639] memfd_create("syzkaller", 0 [pid 9638] <... futex resumed>) = 0 [pid 9639] <... memfd_create resumed>) = 3 [pid 9638] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9639] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9639] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9639] munmap(0x7f0c24913000, 138412032) = 0 [pid 9639] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9639] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9639] close(3) = 0 [pid 9639] close(4) = 0 [pid 9639] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9639] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9639] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9639] ioctl(3, LOOP_CLR_FD) = 0 [pid 9639] close(3) = 0 [pid 9639] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9638] <... futex resumed>) = 0 [pid 9639] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9638] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9638] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9639] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9639] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9638] <... futex resumed>) = 0 [pid 9639] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9638] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9639] <... futex resumed>) = 0 [pid 9638] <... futex resumed>) = 1 [pid 9639] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9638] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9639] <... openat resumed>) = 3 [pid 9639] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9638] <... futex resumed>) = 0 [pid 9639] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9638] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9638] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9639] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9639] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9638] <... futex resumed>) = 0 [pid 9638] exit_group(0) = ? [pid 9639] +++ exited with 0 +++ [pid 9638] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 413.434992][ T9639] loop0: detected capacity change from 0 to 512 [ 413.444185][ T9639] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9640 attached , child_tidptr=0x555585adc6d0) = 9640 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9640] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9640] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9640] setpgid(0, 0) = 0 [pid 9640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9640] write(3, "1000", 4) = 4 [pid 9640] close(3) = 0 [pid 9640] write(1, "executing program\n", 18) = 18 executing program [pid 9640] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9640] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9640] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9640] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9640] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9641 attached => {parent_tid=[9641]}, 88) = 9641 [pid 9641] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9640] rt_sigprocmask(SIG_SETMASK, [] [pid 9641] set_robust_list(0x7f0c2cd339a0, 24 [pid 9640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9641] <... set_robust_list resumed>) = 0 [pid 9641] rt_sigprocmask(SIG_SETMASK, [] [pid 9640] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9641] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9640] <... futex resumed>) = 0 [pid 9641] memfd_create("syzkaller", 0 [pid 9640] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9641] <... memfd_create resumed>) = 3 [pid 9641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9641] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9641] munmap(0x7f0c24913000, 138412032) = 0 [pid 9641] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9641] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9641] close(3) = 0 [pid 9641] close(4) = 0 [pid 9641] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9641] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9641] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9641] ioctl(3, LOOP_CLR_FD) = 0 [pid 9641] close(3) = 0 [pid 9641] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9640] <... futex resumed>) = 0 [pid 9641] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9640] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9641] <... futex resumed>) = 0 [pid 9640] <... futex resumed>) = 1 [pid 9641] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9640] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9641] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9641] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9640] <... futex resumed>) = 0 [pid 9641] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9640] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9640] <... futex resumed>) = 0 [pid 9640] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9641] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9641] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9640] <... futex resumed>) = 0 [pid 9641] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9640] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9641] <... futex resumed>) = 0 [pid 9640] <... futex resumed>) = 1 [pid 9641] pwrite64(3, "\x02\x00", 2, 4 [pid 9640] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9641] <... pwrite64 resumed>) = 2 [pid 9641] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9640] <... futex resumed>) = 0 [pid 9641] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9640] exit_group(0) = ? [pid 9641] <... futex resumed>) = ? [pid 9641] +++ exited with 0 +++ [pid 9640] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9640, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 413.569273][ T9641] loop0: detected capacity change from 0 to 512 [ 413.577161][ T9641] EXT4-fs: quotafile must be on filesystem root close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9642 attached , child_tidptr=0x555585adc6d0) = 9642 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9642] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9642] <... set_robust_list resumed>) = 0 [pid 9642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9642] setpgid(0, 0) = 0 [pid 9642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9642] write(3, "1000", 4) = 4 [pid 9642] close(3) = 0 [pid 9642] write(1, "executing program\n", 18) = 18 executing program [pid 9642] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9642] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9642] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9642] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9642] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9643 attached [pid 9643] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9642] <... clone3 resumed> => {parent_tid=[9643]}, 88) = 9643 [pid 9643] <... rseq resumed>) = 0 [pid 9642] rt_sigprocmask(SIG_SETMASK, [] [pid 9643] set_robust_list(0x7f0c2cd339a0, 24 [pid 9642] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9643] <... set_robust_list resumed>) = 0 [pid 9642] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9643] rt_sigprocmask(SIG_SETMASK, [] [pid 9642] <... futex resumed>) = 0 [pid 9643] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9642] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9643] memfd_create("syzkaller", 0) = 3 [pid 9643] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9643] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9643] munmap(0x7f0c24913000, 138412032) = 0 [pid 9643] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9643] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9643] close(3) = 0 [pid 9643] close(4) = 0 [pid 9643] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9643] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9643] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9643] ioctl(3, LOOP_CLR_FD) = 0 [pid 9643] close(3) = 0 [pid 9643] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9642] <... futex resumed>) = 0 [pid 9643] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9642] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9643] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9642] <... futex resumed>) = 0 [pid 9642] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9643] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9642] <... futex resumed>) = 0 [pid 9643] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9642] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9643] <... openat resumed>) = 3 [pid 9642] <... futex resumed>) = 0 [pid 9642] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9643] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9642] <... futex resumed>) = 0 [pid 9643] pwrite64(3, "\x02\x00", 2, 4 [pid 9642] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9643] <... pwrite64 resumed>) = 2 [pid 9642] <... futex resumed>) = 0 [pid 9643] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9642] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9643] <... futex resumed>) = 0 [pid 9642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9643] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9642] exit_group(0 [pid 9643] <... futex resumed>) = ? [pid 9642] <... exit_group resumed>) = ? [pid 9643] +++ exited with 0 +++ [pid 9642] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9642, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [ 413.684129][ T9643] loop0: detected capacity change from 0 to 512 [ 413.694257][ T9643] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9644 attached , child_tidptr=0x555585adc6d0) = 9644 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9644] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9644] <... set_robust_list resumed>) = 0 [pid 9644] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9644] setpgid(0, 0) = 0 [pid 9644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9644] write(3, "1000", 4) = 4 [pid 9644] close(3) = 0 [pid 9644] write(1, "executing program\n", 18) = 18 executing program [pid 9644] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9644] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9644] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9644] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9645 attached => {parent_tid=[9645]}, 88) = 9645 [pid 9644] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9644] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9644] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9645] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9645] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9645] memfd_create("syzkaller", 0) = 3 [pid 9645] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9645] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9645] munmap(0x7f0c24913000, 138412032) = 0 [pid 9645] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9645] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9645] close(3) = 0 [pid 9645] close(4) = 0 [pid 9645] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9645] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9645] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9645] ioctl(3, LOOP_CLR_FD) = 0 [pid 9645] close(3) = 0 [pid 9645] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9644] <... futex resumed>) = 0 [pid 9644] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9645] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9644] <... futex resumed>) = 0 [pid 9644] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9645] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9644] <... futex resumed>) = 0 [pid 9645] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9644] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9644] <... futex resumed>) = 0 [pid 9645] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9644] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9645] <... openat resumed>) = 3 [pid 9645] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9644] <... futex resumed>) = 0 [pid 9645] pwrite64(3, "\x02\x00", 2, 4 [pid 9644] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9645] <... pwrite64 resumed>) = 2 [pid 9644] <... futex resumed>) = 0 [pid 9644] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9645] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9644] <... futex resumed>) = 0 [pid 9645] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9644] exit_group(0 [pid 9645] <... futex resumed>) = ? [pid 9644] <... exit_group resumed>) = ? [pid 9645] +++ exited with 0 +++ [pid 9644] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9644, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 413.843014][ T9645] loop0: detected capacity change from 0 to 512 [ 413.847907][ T9645] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9646 ci2-upstream-fs/strace-static-x86_64: Process 9646 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9646] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9646] <... set_robust_list resumed>) = 0 [pid 9646] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9646] setpgid(0, 0) = 0 [pid 9646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9646] write(3, "1000", 4) = 4 [pid 9646] close(3) = 0 [pid 9646] write(1, "executing program\n", 18) = 18 [pid 9646] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9646] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9646] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9646] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9646] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9646] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9647 attached [pid 9647] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9646] <... clone3 resumed> => {parent_tid=[9647]}, 88) = 9647 [pid 9647] <... rseq resumed>) = 0 [pid 9646] rt_sigprocmask(SIG_SETMASK, [] [pid 9647] set_robust_list(0x7f0c2cd339a0, 24 [pid 9646] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9647] <... set_robust_list resumed>) = 0 [pid 9646] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9647] rt_sigprocmask(SIG_SETMASK, [] [pid 9646] <... futex resumed>) = 0 [pid 9647] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9647] memfd_create("syzkaller", 0) = 3 [pid 9646] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9647] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9647] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9647] munmap(0x7f0c24913000, 138412032) = 0 [pid 9647] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9647] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9647] close(3) = 0 [pid 9647] close(4) = 0 [pid 9647] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9647] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9647] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9647] ioctl(3, LOOP_CLR_FD) = 0 [pid 9647] close(3) = 0 [pid 9647] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9646] <... futex resumed>) = 0 [pid 9646] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9647] <... futex resumed>) = 1 [pid 9646] <... futex resumed>) = 0 [pid 9647] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9646] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9647] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9647] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9646] <... futex resumed>) = 0 [pid 9647] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9646] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9647] <... openat resumed>) = 3 [pid 9646] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9647] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9646] <... futex resumed>) = 0 [pid 9647] pwrite64(3, "\x02\x00", 2, 4 [pid 9646] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9647] <... pwrite64 resumed>) = 2 [pid 9646] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9647] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9646] <... futex resumed>) = 0 [pid 9647] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9646] exit_group(0 [pid 9647] <... futex resumed>) = ? [pid 9646] <... exit_group resumed>) = ? [pid 9647] +++ exited with 0 +++ [pid 9646] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9646, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9648 attached [ 413.965746][ T9647] loop0: detected capacity change from 0 to 512 [ 413.979339][ T9647] EXT4-fs: quotafile must be on filesystem root [pid 9648] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9648 [pid 9648] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9648] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9648] setpgid(0, 0) = 0 [pid 9648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9648] write(3, "1000", 4) = 4 [pid 9648] close(3) = 0 [pid 9648] write(1, "executing program\n", 18) = 18 [pid 9648] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9648] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9648] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9648] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9649 attached [pid 9649] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9648] <... clone3 resumed> => {parent_tid=[9649]}, 88) = 9649 [pid 9649] set_robust_list(0x7f0c2cd339a0, 24 [pid 9648] rt_sigprocmask(SIG_SETMASK, [] [pid 9649] <... set_robust_list resumed>) = 0 [pid 9648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9649] rt_sigprocmask(SIG_SETMASK, [] [pid 9648] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9649] memfd_create("syzkaller", 0 [pid 9648] <... futex resumed>) = 0 [pid 9648] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9649] <... memfd_create resumed>) = 3 [pid 9649] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9649] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9649] munmap(0x7f0c24913000, 138412032) = 0 [pid 9649] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9649] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9649] close(3) = 0 [pid 9649] close(4) = 0 [pid 9649] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9649] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9649] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9649] ioctl(3, LOOP_CLR_FD) = 0 [pid 9649] close(3) = 0 [pid 9649] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9648] <... futex resumed>) = 0 [pid 9649] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9648] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9648] <... futex resumed>) = 0 [pid 9649] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9648] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9649] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9649] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9648] <... futex resumed>) = 0 [pid 9649] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9648] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9648] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9649] <... openat resumed>) = 3 [pid 9649] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9648] <... futex resumed>) = 0 [pid 9649] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9648] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9648] <... futex resumed>) = 0 [pid 9649] pwrite64(3, "\x02\x00", 2, 4 [pid 9648] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9649] <... pwrite64 resumed>) = 2 [pid 9649] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9648] <... futex resumed>) = 0 [pid 9649] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9648] exit_group(0 [pid 9649] <... futex resumed>) = ? [pid 9648] <... exit_group resumed>) = ? [pid 9649] +++ exited with 0 +++ [pid 9648] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9648, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9650 rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 9650 attached , NULL, 8) = 0 [pid 9650] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 414.083300][ T9649] loop0: detected capacity change from 0 to 512 [ 414.096078][ T9649] EXT4-fs: quotafile must be on filesystem root [pid 9650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9650] setpgid(0, 0) = 0 [pid 9650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9650] write(3, "1000", 4) = 4 [pid 9650] close(3) = 0 [pid 9650] write(1, "executing program\n", 18) = 18 executing program [pid 9650] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9650] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9650] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9650] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9651]}, 88) = 9651 ci2-upstream-fs/strace-static-x86_64: Process 9651 attached [pid 9650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9651] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9651] set_robust_list(0x7f0c2cd339a0, 24 [pid 9650] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9651] <... set_robust_list resumed>) = 0 [pid 9650] <... futex resumed>) = 0 [pid 9651] rt_sigprocmask(SIG_SETMASK, [] [pid 9650] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9651] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9651] memfd_create("syzkaller", 0) = 3 [pid 9651] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9651] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9651] munmap(0x7f0c24913000, 138412032) = 0 [pid 9651] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9651] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9651] close(3) = 0 [pid 9651] close(4) = 0 [pid 9651] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9651] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9651] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9651] ioctl(3, LOOP_CLR_FD) = 0 [pid 9651] close(3) = 0 [pid 9651] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9650] <... futex resumed>) = 0 [pid 9651] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9650] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9650] <... futex resumed>) = 0 [pid 9651] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9650] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9651] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9650] <... futex resumed>) = 0 [pid 9651] <... futex resumed>) = 1 [pid 9650] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9651] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9650] <... futex resumed>) = 0 [pid 9651] <... openat resumed>) = 3 [pid 9650] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9651] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9650] <... futex resumed>) = 0 [pid 9650] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9651] pwrite64(3, "\x02\x00", 2, 4 [pid 9650] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9651] <... pwrite64 resumed>) = 2 [pid 9651] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9650] <... futex resumed>) = 0 [pid 9651] <... futex resumed>) = 1 [ 414.167944][ T9651] loop0: detected capacity change from 0 to 512 [ 414.180198][ T9651] EXT4-fs: quotafile must be on filesystem root [pid 9650] exit_group(0 [pid 9651] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9650] <... exit_group resumed>) = ? [pid 9651] +++ exited with 0 +++ [pid 9650] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9652 attached , child_tidptr=0x555585adc6d0) = 9652 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9652] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9652] <... set_robust_list resumed>) = 0 [pid 9652] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9652] setpgid(0, 0) = 0 [pid 9652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9652] write(3, "1000", 4) = 4 [pid 9652] close(3) = 0 [pid 9652] write(1, "executing program\n", 18) = 18 executing program [pid 9652] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9652] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9652] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9652] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9652] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9652] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9653 attached [pid 9653] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9652] <... clone3 resumed> => {parent_tid=[9653]}, 88) = 9653 [pid 9653] <... rseq resumed>) = 0 [pid 9652] rt_sigprocmask(SIG_SETMASK, [] [pid 9653] set_robust_list(0x7f0c2cd339a0, 24 [pid 9652] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9653] <... set_robust_list resumed>) = 0 [pid 9652] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9653] rt_sigprocmask(SIG_SETMASK, [] [pid 9652] <... futex resumed>) = 0 [pid 9653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9653] memfd_create("syzkaller", 0 [pid 9652] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9653] <... memfd_create resumed>) = 3 [pid 9653] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9653] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9653] munmap(0x7f0c24913000, 138412032) = 0 [pid 9653] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9653] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9653] close(3) = 0 [pid 9653] close(4) = 0 [pid 9653] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9653] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9653] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9653] ioctl(3, LOOP_CLR_FD) = 0 [pid 9653] close(3) = 0 [pid 9653] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9652] <... futex resumed>) = 0 [pid 9653] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9652] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9652] <... futex resumed>) = 0 [pid 9653] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9652] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9653] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9653] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9652] <... futex resumed>) = 0 [pid 9653] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9652] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9653] <... openat resumed>) = 3 [pid 9652] <... futex resumed>) = 0 [ 414.302787][ T9653] EXT4-fs: quotafile must be on filesystem root [pid 9652] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9653] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9652] <... futex resumed>) = 0 [pid 9653] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9652] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9652] <... futex resumed>) = 0 [pid 9653] pwrite64(3, "\x02\x00", 2, 4 [pid 9652] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9653] <... pwrite64 resumed>) = 2 [pid 9653] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9652] <... futex resumed>) = 0 [pid 9653] <... futex resumed>) = 1 [pid 9652] exit_group(0 [pid 9653] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9652] <... exit_group resumed>) = ? [pid 9653] +++ exited with 0 +++ [pid 9652] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9652, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9654 attached , child_tidptr=0x555585adc6d0) = 9654 [pid 9654] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9654] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9654] setpgid(0, 0) = 0 [pid 9654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9654] write(3, "1000", 4) = 4 [pid 9654] close(3) = 0 [pid 9654] write(1, "executing program\n", 18) = 18 executing program [pid 9654] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9654] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9654] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9654] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9654] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9655 attached => {parent_tid=[9655]}, 88) = 9655 [pid 9655] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9654] rt_sigprocmask(SIG_SETMASK, [] [pid 9655] <... rseq resumed>) = 0 [pid 9654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9655] set_robust_list(0x7f0c2cd339a0, 24 [pid 9654] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9655] <... set_robust_list resumed>) = 0 [pid 9654] <... futex resumed>) = 0 [pid 9655] rt_sigprocmask(SIG_SETMASK, [] [pid 9654] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9655] memfd_create("syzkaller", 0) = 3 [pid 9655] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9655] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9655] munmap(0x7f0c24913000, 138412032) = 0 [pid 9655] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9655] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9655] close(3) = 0 [pid 9655] close(4) = 0 [pid 9655] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9655] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9655] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9655] ioctl(3, LOOP_CLR_FD) = 0 [pid 9655] close(3) = 0 [pid 9655] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9654] <... futex resumed>) = 0 [pid 9655] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9654] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9654] <... futex resumed>) = 0 [pid 9655] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9654] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9655] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9655] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9654] <... futex resumed>) = 0 [pid 9654] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9655] <... futex resumed>) = 1 [pid 9654] <... futex resumed>) = 0 [pid 9655] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9654] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9655] <... openat resumed>) = 3 [pid 9655] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9654] <... futex resumed>) = 0 [pid 9655] <... futex resumed>) = 1 [pid 9654] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9655] pwrite64(3, "\x02\x00", 2, 4 [pid 9654] <... futex resumed>) = 0 [pid 9655] <... pwrite64 resumed>) = 2 [pid 9654] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9655] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9654] <... futex resumed>) = 0 [pid 9655] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9654] exit_group(0 [pid 9655] <... futex resumed>) = ? [pid 9655] +++ exited with 0 +++ [pid 9654] <... exit_group resumed>) = ? [pid 9654] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9654, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [ 414.435959][ T9655] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9656 attached , child_tidptr=0x555585adc6d0) = 9656 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9656] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9656] <... set_robust_list resumed>) = 0 [pid 9656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9656] setpgid(0, 0) = 0 [pid 9656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9656] write(3, "1000", 4) = 4 [pid 9656] close(3) = 0 [pid 9656] write(1, "executing program\n", 18) = 18 executing program [pid 9656] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9656] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9656] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9656] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9657 attached => {parent_tid=[9657]}, 88) = 9657 [pid 9657] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9656] rt_sigprocmask(SIG_SETMASK, [] [pid 9657] <... rseq resumed>) = 0 [pid 9656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9657] set_robust_list(0x7f0c2cd339a0, 24 [pid 9656] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9657] <... set_robust_list resumed>) = 0 [pid 9656] <... futex resumed>) = 0 [pid 9657] rt_sigprocmask(SIG_SETMASK, [] [pid 9656] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9657] memfd_create("syzkaller", 0) = 3 [pid 9657] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9657] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9657] munmap(0x7f0c24913000, 138412032) = 0 [pid 9657] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9657] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9657] close(3) = 0 [pid 9657] close(4) = 0 [pid 9657] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9657] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9657] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9657] ioctl(3, LOOP_CLR_FD) = 0 [pid 9657] close(3) = 0 [pid 9657] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9657] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9656] <... futex resumed>) = 0 [pid 9656] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9656] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9657] <... futex resumed>) = 0 [pid 9657] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9657] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9656] <... futex resumed>) = 0 [pid 9656] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9657] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9656] <... futex resumed>) = 0 [pid 9656] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9657] <... openat resumed>) = 3 [pid 9657] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9656] <... futex resumed>) = 0 [pid 9656] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9657] <... futex resumed>) = 1 [pid 9656] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9657] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9657] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9656] <... futex resumed>) = 0 [pid 9657] <... futex resumed>) = 1 [pid 9656] exit_group(0 [pid 9657] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9656] <... exit_group resumed>) = ? [pid 9657] +++ exited with 0 +++ [pid 9656] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9656, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 414.557341][ T9657] EXT4-fs: quotafile must be on filesystem root close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9658 attached [pid 9658] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9658 [pid 9658] <... prctl resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9658] setpgid(0, 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9658] <... setpgid resumed>) = 0 [pid 9658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9658] write(3, "1000", 4) = 4 [pid 9658] close(3) = 0 executing program [pid 9658] write(1, "executing program\n", 18) = 18 [pid 9658] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9658] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9658] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9658] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9659 attached [pid 9659] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9658] <... clone3 resumed> => {parent_tid=[9659]}, 88) = 9659 [pid 9659] <... rseq resumed>) = 0 [pid 9658] rt_sigprocmask(SIG_SETMASK, [] [pid 9659] set_robust_list(0x7f0c2cd339a0, 24 [pid 9658] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9659] <... set_robust_list resumed>) = 0 [pid 9658] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9659] rt_sigprocmask(SIG_SETMASK, [] [pid 9658] <... futex resumed>) = 0 [pid 9659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9659] memfd_create("syzkaller", 0 [pid 9658] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9659] <... memfd_create resumed>) = 3 [pid 9659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9659] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9659] munmap(0x7f0c24913000, 138412032) = 0 [pid 9659] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9659] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9659] close(3) = 0 [pid 9659] close(4) = 0 [pid 9659] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9659] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9659] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9659] ioctl(3, LOOP_CLR_FD) = 0 [pid 9659] close(3) = 0 [pid 9659] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9658] <... futex resumed>) = 0 [pid 9659] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9658] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9658] <... futex resumed>) = 0 [pid 9659] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9658] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9659] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9659] <... futex resumed>) = 0 [pid 9658] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9659] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9658] <... futex resumed>) = 0 [pid 9659] <... openat resumed>) = 3 [pid 9658] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9659] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9658] <... futex resumed>) = 0 [pid 9659] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9658] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9658] <... futex resumed>) = 0 [pid 9659] pwrite64(3, "\x02\x00", 2, 4 [pid 9658] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9659] <... pwrite64 resumed>) = 2 [pid 9659] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9658] <... futex resumed>) = 0 [pid 9659] <... futex resumed>) = 1 [pid 9659] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9658] exit_group(0) = ? [pid 9659] <... futex resumed>) = ? [pid 9659] +++ exited with 0 +++ [pid 9658] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9658, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9660 attached , child_tidptr=0x555585adc6d0) = 9660 [pid 9660] set_robust_list(0x555585adc6e0, 24 [ 414.657948][ T9659] EXT4-fs: quotafile must be on filesystem root [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9660] <... set_robust_list resumed>) = 0 [pid 9660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9660] setpgid(0, 0) = 0 [pid 9660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9660] write(3, "1000", 4) = 4 [pid 9660] close(3) = 0 executing program [pid 9660] write(1, "executing program\n", 18) = 18 [pid 9660] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9660] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9660] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9660] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9660] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9661]}, 88) = 9661 ci2-upstream-fs/strace-static-x86_64: Process 9661 attached [pid 9660] rt_sigprocmask(SIG_SETMASK, [] [pid 9661] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9660] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9660] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9661] <... rseq resumed>) = 0 [pid 9661] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9661] memfd_create("syzkaller", 0) = 3 [pid 9661] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9661] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9661] munmap(0x7f0c24913000, 138412032) = 0 [pid 9661] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9661] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9661] close(3) = 0 [pid 9661] close(4) = 0 [pid 9661] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9661] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9661] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9661] ioctl(3, LOOP_CLR_FD) = 0 [pid 9661] close(3) = 0 [pid 9661] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9661] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9660] <... futex resumed>) = 0 [pid 9660] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9661] <... futex resumed>) = 0 [pid 9660] <... futex resumed>) = 1 [pid 9661] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9660] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9661] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9660] <... futex resumed>) = 0 [pid 9661] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9660] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9661] <... openat resumed>) = 3 [pid 9660] <... futex resumed>) = 0 [pid 9660] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9661] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9660] <... futex resumed>) = 0 [pid 9660] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9661] <... futex resumed>) = 1 [pid 9660] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9661] pwrite64(3, "\x02\x00", 2, 4) = 2 [ 414.786524][ T9661] EXT4-fs: quotafile must be on filesystem root [pid 9661] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9660] <... futex resumed>) = 0 [pid 9661] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9660] exit_group(0 [pid 9661] <... futex resumed>) = ? [pid 9661] +++ exited with 0 +++ [pid 9660] <... exit_group resumed>) = ? [pid 9660] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9660, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9662 attached , child_tidptr=0x555585adc6d0) = 9662 [pid 9662] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9662] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9662] setpgid(0, 0) = 0 [pid 9662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9662] write(3, "1000", 4) = 4 [pid 9662] close(3) = 0 [pid 9662] write(1, "executing program\n", 18) = 18 executing program [pid 9662] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9662] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9662] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9662] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9663 attached => {parent_tid=[9663]}, 88) = 9663 [pid 9662] rt_sigprocmask(SIG_SETMASK, [] [pid 9663] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9662] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9662] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9663] <... rseq resumed>) = 0 [pid 9662] <... futex resumed>) = 0 [pid 9663] set_robust_list(0x7f0c2cd339a0, 24 [pid 9662] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9663] <... set_robust_list resumed>) = 0 [pid 9663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9663] memfd_create("syzkaller", 0) = 3 [pid 9663] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9663] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9663] munmap(0x7f0c24913000, 138412032) = 0 [pid 9663] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9663] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9663] close(3) = 0 [pid 9663] close(4) = 0 [pid 9663] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9663] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9663] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9663] ioctl(3, LOOP_CLR_FD) = 0 [pid 9663] close(3) = 0 [pid 9663] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9662] <... futex resumed>) = 0 [pid 9663] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9662] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9663] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9662] <... futex resumed>) = 0 [pid 9662] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9663] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9663] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9662] <... futex resumed>) = 0 [pid 9663] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9662] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9663] <... openat resumed>) = 3 [pid 9662] <... futex resumed>) = 0 [pid 9663] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9662] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9663] <... futex resumed>) = 0 [pid 9662] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9663] pwrite64(3, "\x02\x00", 2, 4 [pid 9662] <... futex resumed>) = 0 [pid 9662] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9663] <... pwrite64 resumed>) = 2 [pid 9663] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9663] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9662] <... futex resumed>) = 0 [pid 9662] exit_group(0 [pid 9663] <... futex resumed>) = ? [pid 9662] <... exit_group resumed>) = ? [pid 9663] +++ exited with 0 +++ [pid 9662] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 414.933125][ T9663] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9664 attached , child_tidptr=0x555585adc6d0) = 9664 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9664] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9664] <... set_robust_list resumed>) = 0 [pid 9664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9664] setpgid(0, 0) = 0 [pid 9664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9664] write(3, "1000", 4) = 4 [pid 9664] close(3) = 0 [pid 9664] write(1, "executing program\n", 18) = 18 executing program [pid 9664] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9664] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9664] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9664] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9664] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9665 attached [pid 9665] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9664] <... clone3 resumed> => {parent_tid=[9665]}, 88) = 9665 [pid 9665] <... rseq resumed>) = 0 [pid 9664] rt_sigprocmask(SIG_SETMASK, [] [pid 9665] set_robust_list(0x7f0c2cd339a0, 24 [pid 9664] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9665] <... set_robust_list resumed>) = 0 [pid 9664] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9665] rt_sigprocmask(SIG_SETMASK, [] [pid 9664] <... futex resumed>) = 0 [pid 9665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9664] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9665] memfd_create("syzkaller", 0) = 3 [pid 9665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9665] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9665] munmap(0x7f0c24913000, 138412032) = 0 [pid 9665] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9665] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9665] close(3) = 0 [pid 9665] close(4) = 0 [pid 9665] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9665] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9665] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9665] ioctl(3, LOOP_CLR_FD) = 0 [pid 9665] close(3) = 0 [pid 9665] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9664] <... futex resumed>) = 0 [pid 9665] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9664] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9665] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9664] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9665] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9664] <... futex resumed>) = 0 [pid 9664] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9665] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9664] <... futex resumed>) = 0 [pid 9665] <... openat resumed>) = 3 [pid 9664] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9665] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9665] <... futex resumed>) = 0 [pid 9664] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9665] pwrite64(3, "\x02\x00", 2, 4 [pid 9664] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9665] <... pwrite64 resumed>) = 2 [pid 9665] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9664] <... futex resumed>) = 0 [pid 9665] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9664] exit_group(0 [pid 9665] <... futex resumed>) = ? [pid 9664] <... exit_group resumed>) = ? [pid 9665] +++ exited with 0 +++ [pid 9664] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 415.045950][ T9665] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9666 attached [pid 9666] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9666 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9666] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9666] setpgid(0, 0) = 0 [pid 9666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9666] write(3, "1000", 4) = 4 [pid 9666] close(3) = 0 executing program [pid 9666] write(1, "executing program\n", 18) = 18 [pid 9666] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9666] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9666] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9666] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9666] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9667 attached => {parent_tid=[9667]}, 88) = 9667 [pid 9667] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9666] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9666] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9667] <... rseq resumed>) = 0 [pid 9667] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9667] memfd_create("syzkaller", 0) = 3 [pid 9667] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9667] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9667] munmap(0x7f0c24913000, 138412032) = 0 [pid 9667] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9667] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9667] close(3) = 0 [pid 9667] close(4) = 0 [pid 9667] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9667] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9667] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9667] ioctl(3, LOOP_CLR_FD) = 0 [pid 9667] close(3) = 0 [pid 9667] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9666] <... futex resumed>) = 0 [pid 9667] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9666] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9667] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9666] <... futex resumed>) = 0 [pid 9666] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9667] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9667] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9666] <... futex resumed>) = 0 [pid 9667] <... futex resumed>) = 1 [pid 9666] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9667] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9666] <... futex resumed>) = 0 [pid 9667] <... openat resumed>) = 3 [pid 9666] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9667] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9666] <... futex resumed>) = 0 [pid 9667] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9666] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9666] <... futex resumed>) = 0 [pid 9667] pwrite64(3, "\x02\x00", 2, 4 [pid 9666] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9667] <... pwrite64 resumed>) = 2 [pid 9667] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9666] <... futex resumed>) = 0 [pid 9667] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9666] exit_group(0) = ? [pid 9667] <... futex resumed>) = ? [pid 9667] +++ exited with 0 +++ [pid 9666] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9666, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9668 attached , child_tidptr=0x555585adc6d0) = 9668 [pid 9668] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9668] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 415.175419][ T9667] EXT4-fs: quotafile must be on filesystem root [pid 9668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9668] setpgid(0, 0) = 0 [pid 9668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9668] write(3, "1000", 4) = 4 [pid 9668] close(3) = 0 [pid 9668] write(1, "executing program\n", 18) = 18 executing program [pid 9668] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9668] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9668] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9668] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9669 attached [pid 9669] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9668] <... clone3 resumed> => {parent_tid=[9669]}, 88) = 9669 [pid 9669] <... rseq resumed>) = 0 [pid 9669] set_robust_list(0x7f0c2cd339a0, 24 [pid 9668] rt_sigprocmask(SIG_SETMASK, [] [pid 9669] <... set_robust_list resumed>) = 0 [pid 9668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9669] rt_sigprocmask(SIG_SETMASK, [] [pid 9668] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9668] <... futex resumed>) = 0 [pid 9669] memfd_create("syzkaller", 0 [pid 9668] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9669] <... memfd_create resumed>) = 3 [pid 9669] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9669] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9669] munmap(0x7f0c24913000, 138412032) = 0 [pid 9669] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9669] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9669] close(3) = 0 [pid 9669] close(4) = 0 [pid 9669] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9669] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9669] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9669] ioctl(3, LOOP_CLR_FD) = 0 [pid 9669] close(3) = 0 [pid 9669] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9668] <... futex resumed>) = 0 [pid 9669] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9668] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9669] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9668] <... futex resumed>) = 0 [pid 9668] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9669] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9669] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9668] <... futex resumed>) = 0 [pid 9668] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9668] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9669] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9669] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9668] <... futex resumed>) = 0 [pid 9668] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9668] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9669] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9669] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9668] <... futex resumed>) = 0 [pid 9669] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9668] exit_group(0) = ? [pid 9669] <... futex resumed>) = ? [pid 9669] +++ exited with 0 +++ [pid 9668] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9668, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9670 attached [pid 9670] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9670] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9670 [pid 9670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9670] <... prctl resumed>) = 0 [pid 9670] setpgid(0, 0) = 0 [pid 9670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9670] write(3, "1000", 4) = 4 [pid 9670] close(3) = 0 [pid 9670] write(1, "executing program\n", 18) = 18 [pid 9670] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9670] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9670] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9670] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9670] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9670] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9671 attached [pid 9671] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9670] <... clone3 resumed> => {parent_tid=[9671]}, 88) = 9671 [pid 9671] <... rseq resumed>) = 0 [pid 9671] set_robust_list(0x7f0c2cd339a0, 24 [pid 9670] rt_sigprocmask(SIG_SETMASK, [] [pid 9671] <... set_robust_list resumed>) = 0 [pid 9670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9671] rt_sigprocmask(SIG_SETMASK, [] [pid 9670] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9671] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9671] memfd_create("syzkaller", 0 [pid 9670] <... futex resumed>) = 0 [ 415.278584][ T9669] EXT4-fs: quotafile must be on filesystem root [pid 9670] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9671] <... memfd_create resumed>) = 3 [pid 9671] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9671] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9671] munmap(0x7f0c24913000, 138412032) = 0 [pid 9671] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9671] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9671] close(3) = 0 [pid 9671] close(4) = 0 [pid 9671] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9671] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9671] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9671] ioctl(3, LOOP_CLR_FD) = 0 [pid 9671] close(3) = 0 [pid 9671] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9670] <... futex resumed>) = 0 [pid 9671] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9670] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9670] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9671] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9671] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9670] <... futex resumed>) = 0 [pid 9671] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9670] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9670] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9671] <... futex resumed>) = 0 [pid 9671] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9671] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9670] <... futex resumed>) = 0 [pid 9671] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9670] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9670] <... futex resumed>) = 0 [pid 9671] pwrite64(3, "\x02\x00", 2, 4 [pid 9670] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9671] <... pwrite64 resumed>) = 2 [pid 9671] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9670] <... futex resumed>) = 0 [pid 9671] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9670] exit_group(0 [pid 9671] <... futex resumed>) = ? [pid 9670] <... exit_group resumed>) = ? [pid 9671] +++ exited with 0 +++ [pid 9670] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9672 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 9672 attached [pid 9672] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9672] setpgid(0, 0) = 0 [pid 9672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9672] write(3, "1000", 4) = 4 [pid 9672] close(3) = 0 [pid 9672] write(1, "executing program\n", 18) = 18 [pid 9672] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [ 415.353190][ T9671] EXT4-fs: quotafile must be on filesystem root [pid 9672] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9672] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9672] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9672] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9673]}, 88) = 9673 ci2-upstream-fs/strace-static-x86_64: Process 9673 attached [pid 9672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9672] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9672] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9673] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9673] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9673] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9673] memfd_create("syzkaller", 0) = 3 [pid 9673] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9673] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9673] munmap(0x7f0c24913000, 138412032) = 0 [pid 9673] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9673] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9673] close(3) = 0 [pid 9673] close(4) = 0 [pid 9673] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9673] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9673] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9673] ioctl(3, LOOP_CLR_FD) = 0 [pid 9673] close(3) = 0 [pid 9673] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9673] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9672] <... futex resumed>) = 0 [pid 9672] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9672] <... futex resumed>) = 0 [pid 9673] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9672] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9673] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9673] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9672] <... futex resumed>) = 0 [pid 9673] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9672] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9673] <... openat resumed>) = 3 [pid 9672] <... futex resumed>) = 0 [pid 9672] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9673] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9672] <... futex resumed>) = 0 [pid 9673] pwrite64(3, "\x02\x00", 2, 4 [pid 9672] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9673] <... pwrite64 resumed>) = 2 [pid 9672] <... futex resumed>) = 0 [pid 9673] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9672] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9673] <... futex resumed>) = 0 [pid 9672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9673] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9672] exit_group(0) = ? [pid 9673] <... futex resumed>) = ? [pid 9673] +++ exited with 0 +++ [pid 9672] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9672, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 415.454969][ T9673] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9674 attached , child_tidptr=0x555585adc6d0) = 9674 [pid 9674] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9674] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9674] setpgid(0, 0) = 0 [pid 9674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9674] write(3, "1000", 4) = 4 [pid 9674] close(3) = 0 [pid 9674] write(1, "executing program\n", 18) = 18 executing program [pid 9674] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9674] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9674] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9674] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9674] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9675 attached => {parent_tid=[9675]}, 88) = 9675 [pid 9675] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9674] rt_sigprocmask(SIG_SETMASK, [] [pid 9675] <... rseq resumed>) = 0 [pid 9674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9675] set_robust_list(0x7f0c2cd339a0, 24 [pid 9674] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9675] <... set_robust_list resumed>) = 0 [pid 9675] rt_sigprocmask(SIG_SETMASK, [] [pid 9674] <... futex resumed>) = 0 [pid 9675] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9674] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9675] memfd_create("syzkaller", 0) = 3 [pid 9675] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9675] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9675] munmap(0x7f0c24913000, 138412032) = 0 [pid 9675] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9675] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9675] close(3) = 0 [pid 9675] close(4) = 0 [pid 9675] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9675] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9675] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9675] ioctl(3, LOOP_CLR_FD) = 0 [pid 9675] close(3) = 0 [pid 9675] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9674] <... futex resumed>) = 0 [pid 9675] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9674] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9675] <... futex resumed>) = 0 [pid 9675] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9674] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9675] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9675] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9674] <... futex resumed>) = 0 [pid 9675] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9674] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9674] <... futex resumed>) = 0 [pid 9675] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9674] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9675] <... openat resumed>) = 3 [pid 9675] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9674] <... futex resumed>) = 0 [pid 9675] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9674] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9674] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9675] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9675] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9674] <... futex resumed>) = 0 [pid 9674] exit_group(0) = ? [pid 9675] +++ exited with 0 +++ [pid 9674] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9676 attached , child_tidptr=0x555585adc6d0) = 9676 [pid 9676] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9676] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9676] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9676] setpgid(0, 0) = 0 [pid 9676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9676] write(3, "1000", 4) = 4 [pid 9676] close(3) = 0 executing program [pid 9676] write(1, "executing program\n", 18) = 18 [pid 9676] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9676] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9676] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9676] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9676] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9676] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9677 attached [ 415.595054][ T9675] EXT4-fs: quotafile must be on filesystem root => {parent_tid=[9677]}, 88) = 9677 [pid 9677] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9677] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9677] rt_sigprocmask(SIG_SETMASK, [] [pid 9676] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9677] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9676] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9677] memfd_create("syzkaller", 0 [pid 9676] <... futex resumed>) = 0 [pid 9677] <... memfd_create resumed>) = 3 [pid 9676] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9677] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9677] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9677] munmap(0x7f0c24913000, 138412032) = 0 [pid 9677] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9677] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9677] close(3) = 0 [pid 9677] close(4) = 0 [pid 9677] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9677] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9677] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9677] ioctl(3, LOOP_CLR_FD) = 0 [pid 9677] close(3) = 0 [pid 9677] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9676] <... futex resumed>) = 0 [pid 9676] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9677] <... futex resumed>) = 1 [pid 9676] <... futex resumed>) = 0 [pid 9677] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9676] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9677] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9677] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9676] <... futex resumed>) = 0 [pid 9677] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9676] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9677] <... openat resumed>) = 3 [pid 9676] <... futex resumed>) = 0 [pid 9676] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9677] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9676] <... futex resumed>) = 0 [pid 9676] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9677] pwrite64(3, "\x02\x00", 2, 4 [pid 9676] <... futex resumed>) = 0 [pid 9677] <... pwrite64 resumed>) = 2 [pid 9676] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9677] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9676] <... futex resumed>) = 0 [pid 9677] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9676] exit_group(0 [pid 9677] <... futex resumed>) = ? [pid 9676] <... exit_group resumed>) = ? [pid 9677] +++ exited with 0 +++ [pid 9676] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9676, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9678 attached [pid 9678] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9678 [pid 9678] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9678] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9678] setpgid(0, 0) = 0 [pid 9678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9678] write(3, "1000", 4) = 4 [ 415.683250][ T9677] EXT4-fs: quotafile must be on filesystem root [pid 9678] close(3) = 0 [pid 9678] write(1, "executing program\n", 18) = 18 [pid 9678] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9678] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 executing program [pid 9678] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9678] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9678] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9679 attached => {parent_tid=[9679]}, 88) = 9679 [pid 9679] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9678] rt_sigprocmask(SIG_SETMASK, [] [pid 9679] <... rseq resumed>) = 0 [pid 9679] set_robust_list(0x7f0c2cd339a0, 24 [pid 9678] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9679] <... set_robust_list resumed>) = 0 [pid 9679] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9679] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9678] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9679] <... futex resumed>) = 0 [pid 9678] <... futex resumed>) = 1 [pid 9678] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9679] memfd_create("syzkaller", 0) = 3 [pid 9679] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9679] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9679] munmap(0x7f0c24913000, 138412032) = 0 [pid 9679] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9679] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9679] close(3) = 0 [pid 9679] close(4) = 0 [pid 9679] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9679] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9679] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9679] ioctl(3, LOOP_CLR_FD) = 0 [pid 9679] close(3) = 0 [pid 9679] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9678] <... futex resumed>) = 0 [pid 9678] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9679] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9678] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9679] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9679] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9678] <... futex resumed>) = 0 [pid 9679] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9678] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9678] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9679] <... futex resumed>) = 0 [pid 9679] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9679] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9678] <... futex resumed>) = 0 [pid 9679] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9678] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9678] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9679] <... futex resumed>) = 0 [pid 9679] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9679] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9678] <... futex resumed>) = 0 [pid 9679] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9678] exit_group(0) = ? [pid 9679] <... futex resumed>) = ? [pid 9679] +++ exited with 0 +++ [pid 9678] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9680 attached , child_tidptr=0x555585adc6d0) = 9680 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9680] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9680] <... set_robust_list resumed>) = 0 [ 415.765795][ T9679] EXT4-fs: quotafile must be on filesystem root [pid 9680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9680] setpgid(0, 0) = 0 [pid 9680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9680] write(3, "1000", 4) = 4 [pid 9680] close(3) = 0 [pid 9680] write(1, "executing program\n", 18) = 18 executing program [pid 9680] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9680] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9680] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9680] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9680] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9681 attached [pid 9681] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9680] <... clone3 resumed> => {parent_tid=[9681]}, 88) = 9681 [pid 9681] <... rseq resumed>) = 0 [pid 9681] set_robust_list(0x7f0c2cd339a0, 24 [pid 9680] rt_sigprocmask(SIG_SETMASK, [] [pid 9681] <... set_robust_list resumed>) = 0 [pid 9681] rt_sigprocmask(SIG_SETMASK, [] [pid 9680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9680] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9680] <... futex resumed>) = 0 [pid 9680] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9681] memfd_create("syzkaller", 0) = 3 [pid 9681] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9681] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9681] munmap(0x7f0c24913000, 138412032) = 0 [pid 9681] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9681] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9681] close(3) = 0 [pid 9681] close(4) = 0 [pid 9681] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9681] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9681] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9681] ioctl(3, LOOP_CLR_FD) = 0 [pid 9681] close(3) = 0 [pid 9681] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9681] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9680] <... futex resumed>) = 0 [pid 9680] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9681] <... futex resumed>) = 0 [pid 9680] <... futex resumed>) = 1 [pid 9681] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9680] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9681] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9680] <... futex resumed>) = 0 [pid 9681] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9680] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9681] <... openat resumed>) = 3 [pid 9681] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9680] <... futex resumed>) = 0 [pid 9681] <... futex resumed>) = 0 [pid 9680] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9681] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9680] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9680] <... futex resumed>) = 0 [pid 9681] pwrite64(3, "\x02\x00", 2, 4 [pid 9680] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9681] <... pwrite64 resumed>) = 2 [pid 9681] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9680] <... futex resumed>) = 0 [pid 9681] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9680] exit_group(0 [pid 9681] <... futex resumed>) = ? [pid 9681] +++ exited with 0 +++ [pid 9680] <... exit_group resumed>) = ? [pid 9680] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9680, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 415.886082][ T9681] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9682 attached , child_tidptr=0x555585adc6d0) = 9682 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9682] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9682] <... set_robust_list resumed>) = 0 [pid 9682] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9682] setpgid(0, 0) = 0 [pid 9682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9682] write(3, "1000", 4) = 4 [pid 9682] close(3) = 0 [pid 9682] write(1, "executing program\n", 18) = 18 executing program [pid 9682] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9682] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9682] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9682] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9682] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9682] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9682] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9683 attached [pid 9683] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9683] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9682] <... clone3 resumed> => {parent_tid=[9683]}, 88) = 9683 [pid 9683] rt_sigprocmask(SIG_SETMASK, [] [pid 9682] rt_sigprocmask(SIG_SETMASK, [] [pid 9683] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9682] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9683] memfd_create("syzkaller", 0 [pid 9682] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9683] <... memfd_create resumed>) = 3 [pid 9682] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9683] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9683] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9683] munmap(0x7f0c24913000, 138412032) = 0 [pid 9683] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9683] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9683] close(3) = 0 [pid 9683] close(4) = 0 [pid 9683] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9683] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9683] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9683] ioctl(3, LOOP_CLR_FD) = 0 [pid 9683] close(3) = 0 [pid 9683] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9682] <... futex resumed>) = 0 [pid 9683] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9682] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9682] <... futex resumed>) = 0 [pid 9683] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9682] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9683] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9683] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9682] <... futex resumed>) = 0 [pid 9683] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9682] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9682] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9683] <... futex resumed>) = 0 [pid 9683] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9683] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9682] <... futex resumed>) = 0 [pid 9683] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9682] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9682] <... futex resumed>) = 0 [pid 9683] pwrite64(3, "\x02\x00", 2, 4 [pid 9682] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9683] <... pwrite64 resumed>) = 2 [pid 9683] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9682] <... futex resumed>) = 0 [pid 9683] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9682] exit_group(0 [pid 9683] <... futex resumed>) = ? [pid 9682] <... exit_group resumed>) = ? [pid 9683] +++ exited with 0 +++ [pid 9682] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9682, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [ 416.000754][ T9683] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9684 attached [pid 9684] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9684 [pid 9684] <... set_robust_list resumed>) = 0 [pid 9684] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9684] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9684] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9684] <... prctl resumed>) = 0 [pid 9684] setpgid(0, 0) = 0 [pid 9684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9684] write(3, "1000", 4) = 4 [pid 9684] close(3) = 0 [pid 9684] write(1, "executing program\n", 18) = 18 executing program [pid 9684] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9684] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9684] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9684] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9684] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9685 attached => {parent_tid=[9685]}, 88) = 9685 [pid 9685] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9684] rt_sigprocmask(SIG_SETMASK, [] [pid 9685] <... rseq resumed>) = 0 [pid 9684] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9685] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9685] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9684] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9685] memfd_create("syzkaller", 0 [pid 9684] <... futex resumed>) = 0 [pid 9684] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9685] <... memfd_create resumed>) = 3 [pid 9685] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9685] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9685] munmap(0x7f0c24913000, 138412032) = 0 [pid 9685] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9685] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9685] close(3) = 0 [pid 9685] close(4) = 0 [pid 9685] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9685] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9685] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9685] ioctl(3, LOOP_CLR_FD) = 0 [pid 9685] close(3) = 0 [pid 9685] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9684] <... futex resumed>) = 0 [pid 9685] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9684] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9685] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9684] <... futex resumed>) = 0 [pid 9685] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9684] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9685] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9684] <... futex resumed>) = 0 [pid 9685] <... futex resumed>) = 1 [pid 9684] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9685] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9684] <... futex resumed>) = 0 [pid 9685] <... openat resumed>) = 3 [pid 9684] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9685] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9684] <... futex resumed>) = 0 [pid 9684] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9685] pwrite64(3, "\x02\x00", 2, 4 [pid 9684] <... futex resumed>) = 0 [pid 9685] <... pwrite64 resumed>) = 2 [pid 9684] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9685] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9684] <... futex resumed>) = 0 [pid 9684] exit_group(0 [pid 9685] <... futex resumed>) = 1 [pid 9684] <... exit_group resumed>) = ? [pid 9685] +++ exited with 0 +++ [pid 9684] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9684, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 416.146379][ T9685] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9686 attached , child_tidptr=0x555585adc6d0) = 9686 [pid 9686] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9686] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9686] setpgid(0, 0) = 0 [pid 9686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9686] write(3, "1000", 4) = 4 [pid 9686] close(3) = 0 executing program [pid 9686] write(1, "executing program\n", 18) = 18 [pid 9686] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9686] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9686] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9686] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9686] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9687 attached [pid 9687] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9686] <... clone3 resumed> => {parent_tid=[9687]}, 88) = 9687 [pid 9687] <... rseq resumed>) = 0 [pid 9686] rt_sigprocmask(SIG_SETMASK, [] [pid 9687] set_robust_list(0x7f0c2cd339a0, 24 [pid 9686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9687] <... set_robust_list resumed>) = 0 [pid 9686] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9686] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9687] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9687] memfd_create("syzkaller", 0) = 3 [pid 9687] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9687] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9687] munmap(0x7f0c24913000, 138412032) = 0 [pid 9687] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9687] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9687] close(3) = 0 [pid 9687] close(4) = 0 [pid 9687] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9687] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9687] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9687] ioctl(3, LOOP_CLR_FD) = 0 [pid 9687] close(3) = 0 [pid 9687] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9686] <... futex resumed>) = 0 [pid 9686] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9687] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9687] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9686] <... futex resumed>) = 0 [pid 9686] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9687] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9687] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9686] <... futex resumed>) = 0 [pid 9687] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9686] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9686] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9687] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9687] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9686] <... futex resumed>) = 0 [pid 9687] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9686] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9686] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9687] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9687] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9686] <... futex resumed>) = 0 [pid 9687] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9686] exit_group(0) = ? [pid 9687] <... futex resumed>) = ? [pid 9687] +++ exited with 0 +++ [pid 9686] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9686, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 416.269952][ T9687] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9688 attached , child_tidptr=0x555585adc6d0) = 9688 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9688] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9688] <... set_robust_list resumed>) = 0 [pid 9688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9688] setpgid(0, 0) = 0 [pid 9688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9688] write(3, "1000", 4) = 4 [pid 9688] close(3) = 0 [pid 9688] write(1, "executing program\n", 18) = 18 executing program [pid 9688] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9688] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9688] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9688] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9689 attached [pid 9689] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9688] <... clone3 resumed> => {parent_tid=[9689]}, 88) = 9689 [pid 9689] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9689] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9688] rt_sigprocmask(SIG_SETMASK, [] [pid 9689] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9688] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9688] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9689] <... futex resumed>) = 0 [pid 9688] <... futex resumed>) = 1 [pid 9689] memfd_create("syzkaller", 0) = 3 [pid 9688] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9689] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9689] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9689] munmap(0x7f0c24913000, 138412032) = 0 [pid 9689] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9689] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9689] close(3) = 0 [pid 9689] close(4) = 0 [pid 9689] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9689] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9689] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9689] ioctl(3, LOOP_CLR_FD) = 0 [pid 9689] close(3) = 0 [pid 9689] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9688] <... futex resumed>) = 0 [pid 9689] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9688] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9688] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9689] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9689] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9688] <... futex resumed>) = 0 [pid 9688] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9689] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9688] <... futex resumed>) = 0 [pid 9688] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9689] <... openat resumed>) = 3 [pid 9689] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9688] <... futex resumed>) = 0 [pid 9689] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9688] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9689] pwrite64(3, "\x02\x00", 2, 4 [pid 9688] <... futex resumed>) = 0 [pid 9689] <... pwrite64 resumed>) = 2 [pid 9688] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 416.415282][ T9689] EXT4-fs: quotafile must be on filesystem root [pid 9689] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9688] <... futex resumed>) = 0 [pid 9689] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9688] exit_group(0 [pid 9689] <... futex resumed>) = ? [pid 9688] <... exit_group resumed>) = ? [pid 9689] +++ exited with 0 +++ [pid 9688] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9688, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9690 attached , child_tidptr=0x555585adc6d0) = 9690 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9690] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9690] <... set_robust_list resumed>) = 0 [pid 9690] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9690] setpgid(0, 0) = 0 [pid 9690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9690] write(3, "1000", 4) = 4 [pid 9690] close(3) = 0 [pid 9690] write(1, "executing program\n", 18) = 18 executing program [pid 9690] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9690] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9690] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9690] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9690] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9690] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9691 attached [pid 9691] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9690] <... clone3 resumed> => {parent_tid=[9691]}, 88) = 9691 [pid 9691] <... rseq resumed>) = 0 [pid 9690] rt_sigprocmask(SIG_SETMASK, [] [pid 9691] set_robust_list(0x7f0c2cd339a0, 24 [pid 9690] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9691] <... set_robust_list resumed>) = 0 [pid 9690] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9691] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9690] <... futex resumed>) = 0 [pid 9691] memfd_create("syzkaller", 0 [pid 9690] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9691] <... memfd_create resumed>) = 3 [pid 9691] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9691] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9691] munmap(0x7f0c24913000, 138412032) = 0 [pid 9691] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9691] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9691] close(3) = 0 [pid 9691] close(4) = 0 [pid 9691] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9691] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9691] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9691] ioctl(3, LOOP_CLR_FD) = 0 [pid 9691] close(3) = 0 [pid 9691] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9690] <... futex resumed>) = 0 [pid 9691] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9690] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9691] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9690] <... futex resumed>) = 0 [pid 9690] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9691] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9691] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9690] <... futex resumed>) = 0 [pid 9690] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9690] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9691] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9691] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9690] <... futex resumed>) = 0 [pid 9690] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9690] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9691] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9691] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9690] <... futex resumed>) = 0 [pid 9691] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9690] exit_group(0 [pid 9691] <... futex resumed>) = ? [pid 9690] <... exit_group resumed>) = ? [pid 9691] +++ exited with 0 +++ [pid 9690] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9690, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9692 attached [ 416.566770][ T9691] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9692 [pid 9692] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9692] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9692] setpgid(0, 0) = 0 [pid 9692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9692] write(3, "1000", 4) = 4 [pid 9692] close(3) = 0 executing program [pid 9692] write(1, "executing program\n", 18) = 18 [pid 9692] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9692] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9692] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9692] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9692] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9692] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9693 attached [pid 9693] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9692] <... clone3 resumed> => {parent_tid=[9693]}, 88) = 9693 [pid 9693] <... rseq resumed>) = 0 [pid 9693] set_robust_list(0x7f0c2cd339a0, 24 [pid 9692] rt_sigprocmask(SIG_SETMASK, [] [pid 9693] <... set_robust_list resumed>) = 0 [pid 9692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9693] rt_sigprocmask(SIG_SETMASK, [] [pid 9692] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9693] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9692] <... futex resumed>) = 0 [pid 9693] memfd_create("syzkaller", 0 [pid 9692] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9693] <... memfd_create resumed>) = 3 [pid 9693] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9693] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9693] munmap(0x7f0c24913000, 138412032) = 0 [pid 9693] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9693] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9693] close(3) = 0 [pid 9693] close(4) = 0 [pid 9693] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9693] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9693] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9693] ioctl(3, LOOP_CLR_FD) = 0 [pid 9693] close(3) = 0 [pid 9693] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9693] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9692] <... futex resumed>) = 0 [pid 9692] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9693] <... futex resumed>) = 0 [pid 9692] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9693] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9693] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9692] <... futex resumed>) = 0 [pid 9692] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9693] <... futex resumed>) = 1 [pid 9692] <... futex resumed>) = 0 [pid 9693] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9692] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9693] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9692] <... futex resumed>) = 0 [pid 9693] <... futex resumed>) = 1 [pid 9692] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9693] pwrite64(3, "\x02\x00", 2, 4 [pid 9692] <... futex resumed>) = 0 [pid 9693] <... pwrite64 resumed>) = 2 [pid 9692] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9693] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9693] <... futex resumed>) = 0 [pid 9692] exit_group(0 [pid 9693] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9692] <... exit_group resumed>) = ? [pid 9693] <... futex resumed>) = ? [pid 9693] +++ exited with 0 +++ [pid 9692] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9692, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 416.704143][ T9693] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9694 attached [pid 9694] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9694 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9694] <... set_robust_list resumed>) = 0 [pid 9694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9694] setpgid(0, 0) = 0 [pid 9694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9694] write(3, "1000", 4) = 4 [pid 9694] close(3) = 0 executing program [pid 9694] write(1, "executing program\n", 18) = 18 [pid 9694] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9694] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9694] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9694] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9694] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9695]}, 88) = 9695 ci2-upstream-fs/strace-static-x86_64: Process 9695 attached [pid 9694] rt_sigprocmask(SIG_SETMASK, [] [pid 9695] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9694] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9695] <... rseq resumed>) = 0 [pid 9694] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9694] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9695] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9695] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9695] memfd_create("syzkaller", 0) = 3 [pid 9695] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9695] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9695] munmap(0x7f0c24913000, 138412032) = 0 [pid 9695] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9695] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9695] close(3) = 0 [pid 9695] close(4) = 0 [pid 9695] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9695] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9695] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9695] ioctl(3, LOOP_CLR_FD) = 0 [pid 9695] close(3) = 0 [pid 9695] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9695] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9694] <... futex resumed>) = 0 [pid 9694] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9695] <... futex resumed>) = 0 [pid 9694] <... futex resumed>) = 1 [pid 9695] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9694] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9695] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9695] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9695] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9694] <... futex resumed>) = 0 [pid 9695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9694] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9695] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9695] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9694] <... futex resumed>) = 0 [pid 9695] <... futex resumed>) = 0 [pid 9694] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9695] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9694] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9695] pwrite64(3, "\x02\x00", 2, 4 [pid 9694] <... futex resumed>) = 0 [pid 9695] <... pwrite64 resumed>) = 2 [pid 9694] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9695] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9695] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9694] exit_group(0 [pid 9695] <... futex resumed>) = ? [pid 9694] <... exit_group resumed>) = ? [pid 9695] +++ exited with 0 +++ [pid 9694] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9694, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9696 attached , child_tidptr=0x555585adc6d0) = 9696 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9696] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9696] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9696] setpgid(0, 0) = 0 [pid 9696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9696] write(3, "1000", 4) = 4 [pid 9696] close(3) = 0 [pid 9696] write(1, "executing program\n", 18) = 18 executing program [pid 9696] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9696] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9696] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9696] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9696] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 416.812697][ T9695] EXT4-fs: quotafile must be on filesystem root [pid 9696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9697 attached => {parent_tid=[9697]}, 88) = 9697 [pid 9697] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9696] rt_sigprocmask(SIG_SETMASK, [] [pid 9697] set_robust_list(0x7f0c2cd339a0, 24 [pid 9696] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9697] <... set_robust_list resumed>) = 0 [pid 9696] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9697] rt_sigprocmask(SIG_SETMASK, [] [pid 9696] <... futex resumed>) = 0 [pid 9697] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9696] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9697] memfd_create("syzkaller", 0) = 3 [pid 9697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9697] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9697] munmap(0x7f0c24913000, 138412032) = 0 [pid 9697] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9697] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9697] close(3) = 0 [pid 9697] close(4) = 0 [pid 9697] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9697] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9697] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9697] ioctl(3, LOOP_CLR_FD) = 0 [pid 9697] close(3) = 0 [pid 9697] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9697] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9696] <... futex resumed>) = 0 [pid 9696] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9697] <... futex resumed>) = 0 [pid 9696] <... futex resumed>) = 1 [pid 9697] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9696] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9697] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9696] <... futex resumed>) = 0 [pid 9696] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9697] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9696] <... futex resumed>) = 0 [pid 9696] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9697] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9696] <... futex resumed>) = 0 [pid 9697] pwrite64(3, "\x02\x00", 2, 4 [pid 9696] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9697] <... pwrite64 resumed>) = 2 [pid 9696] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9697] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9696] <... futex resumed>) = 0 [pid 9697] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9696] exit_group(0 [pid 9697] <... futex resumed>) = ? [pid 9696] <... exit_group resumed>) = ? [pid 9697] +++ exited with 0 +++ [pid 9696] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9696, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 416.899548][ T9697] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9698 attached , child_tidptr=0x555585adc6d0) = 9698 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9698] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9698] <... set_robust_list resumed>) = 0 [pid 9698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9698] setpgid(0, 0) = 0 [pid 9698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9698] write(3, "1000", 4) = 4 [pid 9698] close(3) = 0 [pid 9698] write(1, "executing program\n", 18) = 18 [pid 9698] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9698] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9698] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9698] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9698] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program [pid 9698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9699 attached [pid 9699] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9698] <... clone3 resumed> => {parent_tid=[9699]}, 88) = 9699 [pid 9699] <... rseq resumed>) = 0 [pid 9698] rt_sigprocmask(SIG_SETMASK, [] [pid 9699] set_robust_list(0x7f0c2cd339a0, 24 [pid 9698] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9699] <... set_robust_list resumed>) = 0 [pid 9698] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9699] rt_sigprocmask(SIG_SETMASK, [] [pid 9698] <... futex resumed>) = 0 [pid 9699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9698] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9699] memfd_create("syzkaller", 0) = 3 [pid 9699] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9699] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9699] munmap(0x7f0c24913000, 138412032) = 0 [pid 9699] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9699] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9699] close(3) = 0 [pid 9699] close(4) = 0 [pid 9699] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9699] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9699] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9699] ioctl(3, LOOP_CLR_FD) = 0 [pid 9699] close(3) = 0 [pid 9699] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9699] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9698] <... futex resumed>) = 0 [pid 9698] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9699] <... futex resumed>) = 0 [pid 9698] <... futex resumed>) = 1 [pid 9699] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9698] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9699] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9698] <... futex resumed>) = 0 [pid 9699] <... futex resumed>) = 1 [pid 9698] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9699] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9698] <... futex resumed>) = 0 [pid 9698] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9699] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9698] <... futex resumed>) = 0 [pid 9699] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9698] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9698] <... futex resumed>) = 0 [pid 9699] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9698] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9699] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9698] <... futex resumed>) = 0 [pid 9699] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9698] exit_group(0) = ? [pid 9699] <... futex resumed>) = ? [pid 9699] +++ exited with 0 +++ [pid 9698] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9698, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 417.023117][ T9699] EXT4-fs: quotafile must be on filesystem root ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9700 attached , child_tidptr=0x555585adc6d0) = 9700 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9700] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9700] <... set_robust_list resumed>) = 0 [pid 9700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9700] setpgid(0, 0) = 0 [pid 9700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9700] write(3, "1000", 4) = 4 [pid 9700] close(3) = 0 [pid 9700] write(1, "executing program\n", 18) = 18 [pid 9700] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9700] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9700] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9700] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9700] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9700] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9701 attached [pid 9701] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9700] <... clone3 resumed> => {parent_tid=[9701]}, 88) = 9701 [pid 9701] <... rseq resumed>) = 0 [pid 9700] rt_sigprocmask(SIG_SETMASK, [] [pid 9701] set_robust_list(0x7f0c2cd339a0, 24 [pid 9700] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9701] <... set_robust_list resumed>) = 0 [pid 9700] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9701] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9700] <... futex resumed>) = 0 [pid 9701] memfd_create("syzkaller", 0 [pid 9700] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9701] <... memfd_create resumed>) = 3 [pid 9701] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9701] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9701] munmap(0x7f0c24913000, 138412032) = 0 [pid 9701] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9701] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9701] close(3) = 0 [pid 9701] close(4) = 0 [pid 9701] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9701] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9701] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9701] ioctl(3, LOOP_CLR_FD) = 0 [pid 9701] close(3) = 0 [pid 9701] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9701] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9700] <... futex resumed>) = 0 [pid 9700] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9701] <... futex resumed>) = 0 [pid 9700] <... futex resumed>) = 1 [pid 9701] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9700] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9701] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9701] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9700] <... futex resumed>) = 0 [pid 9701] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9700] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9700] <... futex resumed>) = 0 [pid 9701] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9700] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9701] <... openat resumed>) = 3 [pid 9701] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9700] <... futex resumed>) = 0 [pid 9701] pwrite64(3, "\x02\x00", 2, 4 [pid 9700] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9701] <... pwrite64 resumed>) = 2 [pid 9700] <... futex resumed>) = 0 [pid 9701] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9700] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9701] <... futex resumed>) = 0 [pid 9700] exit_group(0 [pid 9701] ???( [pid 9700] <... exit_group resumed>) = ? [pid 9701] <... ??? resumed>) = ? [pid 9701] +++ exited with 0 +++ [pid 9700] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9700, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9702 attached , child_tidptr=0x555585adc6d0) = 9702 [pid 9702] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9702] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9702] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9702] setpgid(0, 0) = 0 [ 417.149220][ T9701] EXT4-fs: quotafile must be on filesystem root [pid 9702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9702] write(3, "1000", 4) = 4 [pid 9702] close(3) = 0 [pid 9702] write(1, "executing program\n", 18) = 18 executing program [pid 9702] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9702] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9702] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9702] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9702] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9703 attached => {parent_tid=[9703]}, 88) = 9703 [pid 9703] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9702] rt_sigprocmask(SIG_SETMASK, [] [pid 9703] <... rseq resumed>) = 0 [pid 9702] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9703] set_robust_list(0x7f0c2cd339a0, 24 [pid 9702] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9703] <... set_robust_list resumed>) = 0 [pid 9702] <... futex resumed>) = 0 [pid 9703] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9702] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9703] memfd_create("syzkaller", 0) = 3 [pid 9703] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9703] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9703] munmap(0x7f0c24913000, 138412032) = 0 [pid 9703] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9703] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9703] close(3) = 0 [pid 9703] close(4) = 0 [pid 9703] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9703] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9703] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9703] ioctl(3, LOOP_CLR_FD) = 0 [pid 9703] close(3) = 0 [pid 9703] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9702] <... futex resumed>) = 0 [pid 9703] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9702] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9702] <... futex resumed>) = 0 [pid 9703] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9702] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9703] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9703] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9702] <... futex resumed>) = 0 [pid 9703] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9702] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9702] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9703] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9703] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9702] <... futex resumed>) = 0 [pid 9702] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9703] <... futex resumed>) = 1 [pid 9702] <... futex resumed>) = 0 [pid 9703] pwrite64(3, "\x02\x00", 2, 4 [pid 9702] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9703] <... pwrite64 resumed>) = 2 [pid 9703] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9702] <... futex resumed>) = 0 [pid 9703] <... futex resumed>) = 1 [pid 9702] exit_group(0 [pid 9703] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9702] <... exit_group resumed>) = ? [pid 9703] <... futex resumed>) = ? [pid 9703] +++ exited with 0 +++ [pid 9702] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9702, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9704 attached [ 417.245138][ T9703] EXT4-fs: quotafile must be on filesystem root [pid 9704] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9704 [pid 9704] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9704] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9704] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9704] setpgid(0, 0) = 0 [pid 9704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9704] write(3, "1000", 4) = 4 [pid 9704] close(3) = 0 executing program [pid 9704] write(1, "executing program\n", 18) = 18 [pid 9704] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9704] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9704] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9704] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9704] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9705 attached [pid 9705] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9704] <... clone3 resumed> => {parent_tid=[9705]}, 88) = 9705 [pid 9705] set_robust_list(0x7f0c2cd339a0, 24 [pid 9704] rt_sigprocmask(SIG_SETMASK, [] [pid 9705] <... set_robust_list resumed>) = 0 [pid 9705] rt_sigprocmask(SIG_SETMASK, [] [pid 9704] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9705] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9704] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9705] memfd_create("syzkaller", 0 [pid 9704] <... futex resumed>) = 0 [pid 9704] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9705] <... memfd_create resumed>) = 3 [pid 9705] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9705] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9705] munmap(0x7f0c24913000, 138412032) = 0 [pid 9705] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9705] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9705] close(3) = 0 [pid 9705] close(4) = 0 [pid 9705] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9705] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9705] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9705] ioctl(3, LOOP_CLR_FD) = 0 [pid 9705] close(3) = 0 [pid 9705] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9704] <... futex resumed>) = 0 [pid 9705] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9704] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9704] <... futex resumed>) = 0 [pid 9705] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9704] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9705] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9705] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9704] <... futex resumed>) = 0 [pid 9704] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9705] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9704] <... futex resumed>) = 0 [pid 9704] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9705] <... openat resumed>) = 3 [pid 9705] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9704] <... futex resumed>) = 0 [pid 9704] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9704] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9705] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9705] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9704] <... futex resumed>) = 0 [pid 9705] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9704] exit_group(0 [pid 9705] <... futex resumed>) = ? [pid 9705] +++ exited with 0 +++ [pid 9704] <... exit_group resumed>) = ? [pid 9704] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9704, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9706 attached [pid 9706] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9706] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9706] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9706 [pid 9706] <... prctl resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9706] setpgid(0, 0) = 0 [pid 9706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9706] <... openat resumed>) = 3 [pid 9706] write(3, "1000", 4) = 4 [ 417.353647][ T9705] EXT4-fs: quotafile must be on filesystem root [pid 9706] close(3) = 0 [pid 9706] write(1, "executing program\n", 18) = 18 executing program [pid 9706] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9706] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9706] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9706] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9706] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9706] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9706] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9707 attached [pid 9707] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9706] <... clone3 resumed> => {parent_tid=[9707]}, 88) = 9707 [pid 9707] <... rseq resumed>) = 0 [pid 9707] set_robust_list(0x7f0c2cd339a0, 24 [pid 9706] rt_sigprocmask(SIG_SETMASK, [] [pid 9707] <... set_robust_list resumed>) = 0 [pid 9706] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9707] rt_sigprocmask(SIG_SETMASK, [] [pid 9706] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9707] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9706] <... futex resumed>) = 0 [pid 9706] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9707] memfd_create("syzkaller", 0) = 3 [pid 9707] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9707] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9707] munmap(0x7f0c24913000, 138412032) = 0 [pid 9707] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9707] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9707] close(3) = 0 [pid 9707] close(4) = 0 [pid 9707] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9707] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9707] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9707] ioctl(3, LOOP_CLR_FD) = 0 [pid 9707] close(3) = 0 [pid 9707] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9707] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9706] <... futex resumed>) = 0 [pid 9706] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9707] <... futex resumed>) = 0 [pid 9707] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9706] <... futex resumed>) = 1 [pid 9706] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9707] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9706] <... futex resumed>) = 0 [pid 9706] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9707] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9706] <... futex resumed>) = 0 [pid 9706] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9707] <... openat resumed>) = 3 [pid 9707] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9706] <... futex resumed>) = 0 [pid 9706] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9707] pwrite64(3, "\x02\x00", 2, 4 [pid 9706] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9707] <... pwrite64 resumed>) = 2 [pid 9707] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9706] <... futex resumed>) = 0 [pid 9707] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9706] exit_group(0 [pid 9707] <... futex resumed>) = ? [pid 9706] <... exit_group resumed>) = ? [pid 9707] +++ exited with 0 +++ [pid 9706] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9706, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 417.462439][ T9707] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9708 attached [pid 9708] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9708] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9708 [pid 9708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9708] <... prctl resumed>) = 0 [pid 9708] setpgid(0, 0) = 0 [pid 9708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9708] write(3, "1000", 4) = 4 [pid 9708] close(3) = 0 executing program [pid 9708] write(1, "executing program\n", 18) = 18 [pid 9708] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9708] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9708] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9708] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9708] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9709 attached => {parent_tid=[9709]}, 88) = 9709 [pid 9709] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9708] rt_sigprocmask(SIG_SETMASK, [] [pid 9709] set_robust_list(0x7f0c2cd339a0, 24 [pid 9708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9709] <... set_robust_list resumed>) = 0 [pid 9708] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9709] rt_sigprocmask(SIG_SETMASK, [] [pid 9708] <... futex resumed>) = 0 [pid 9709] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9708] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9709] memfd_create("syzkaller", 0) = 3 [pid 9709] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9709] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9709] munmap(0x7f0c24913000, 138412032) = 0 [pid 9709] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9709] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9709] close(3) = 0 [pid 9709] close(4) = 0 [pid 9709] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9709] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9709] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9709] ioctl(3, LOOP_CLR_FD) = 0 [pid 9709] close(3) = 0 [pid 9709] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9708] <... futex resumed>) = 0 [pid 9709] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9708] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9709] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9708] <... futex resumed>) = 0 [pid 9709] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9708] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9709] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9708] <... futex resumed>) = 0 [pid 9709] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9708] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9709] <... openat resumed>) = 3 [pid 9708] <... futex resumed>) = 0 [pid 9708] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9709] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9708] <... futex resumed>) = 0 [pid 9709] <... futex resumed>) = 1 [pid 9708] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9709] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9708] <... futex resumed>) = 0 [pid 9709] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9708] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9709] <... futex resumed>) = 0 [pid 9708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9709] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9708] exit_group(0 [pid 9709] <... futex resumed>) = ? [pid 9708] <... exit_group resumed>) = ? [pid 9709] +++ exited with 0 +++ [pid 9708] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9710 ci2-upstream-fs/strace-static-x86_64: Process 9710 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9710] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9710] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9710] setpgid(0, 0) = 0 [ 417.617756][ T9709] EXT4-fs: quotafile must be on filesystem root [pid 9710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9710] write(3, "1000", 4) = 4 [pid 9710] close(3) = 0 [pid 9710] write(1, "executing program\n", 18) = 18 executing program [pid 9710] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9710] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9710] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9710] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9710] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9711 attached [pid 9711] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9711] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9711] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9710] <... clone3 resumed> => {parent_tid=[9711]}, 88) = 9711 [pid 9711] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9710] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9710] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9711] <... futex resumed>) = 0 [pid 9710] <... futex resumed>) = 1 [pid 9711] memfd_create("syzkaller", 0 [pid 9710] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9711] <... memfd_create resumed>) = 3 [pid 9711] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9711] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9711] munmap(0x7f0c24913000, 138412032) = 0 [pid 9711] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9711] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9711] close(3) = 0 [pid 9711] close(4) = 0 [pid 9711] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9711] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9711] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9711] ioctl(3, LOOP_CLR_FD) = 0 [pid 9711] close(3) = 0 [pid 9711] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9710] <... futex resumed>) = 0 [pid 9711] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9710] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9711] <... futex resumed>) = 0 [pid 9710] <... futex resumed>) = 1 [pid 9710] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9711] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9711] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9710] <... futex resumed>) = 0 [pid 9711] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9710] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9710] <... futex resumed>) = 0 [pid 9711] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9710] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9711] <... openat resumed>) = 3 [pid 9711] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9710] <... futex resumed>) = 0 [pid 9710] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9710] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9711] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9711] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 417.717008][ T9711] EXT4-fs: quotafile must be on filesystem root [pid 9710] <... futex resumed>) = 0 [pid 9711] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9710] exit_group(0 [pid 9711] <... futex resumed>) = ? [pid 9710] <... exit_group resumed>) = ? [pid 9711] +++ exited with 0 +++ [pid 9710] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9710, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9712 attached , child_tidptr=0x555585adc6d0) = 9712 [pid 9712] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9712] <... set_robust_list resumed>) = 0 [pid 9712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9712] setpgid(0, 0) = 0 [pid 9712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9712] write(3, "1000", 4) = 4 [pid 9712] close(3) = 0 [pid 9712] write(1, "executing program\n", 18) = 18 executing program [pid 9712] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9712] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9712] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9712] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9713 attached [pid 9713] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9712] <... clone3 resumed> => {parent_tid=[9713]}, 88) = 9713 [pid 9713] set_robust_list(0x7f0c2cd339a0, 24 [pid 9712] rt_sigprocmask(SIG_SETMASK, [] [pid 9713] <... set_robust_list resumed>) = 0 [pid 9712] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9713] rt_sigprocmask(SIG_SETMASK, [] [pid 9712] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9713] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9712] <... futex resumed>) = 0 [pid 9713] memfd_create("syzkaller", 0 [pid 9712] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9713] <... memfd_create resumed>) = 3 [pid 9713] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9713] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9713] munmap(0x7f0c24913000, 138412032) = 0 [pid 9713] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9713] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9713] close(3) = 0 [pid 9713] close(4) = 0 [pid 9713] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9713] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9713] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9713] ioctl(3, LOOP_CLR_FD) = 0 [pid 9713] close(3) = 0 [pid 9713] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9713] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9712] <... futex resumed>) = 0 [pid 9712] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9712] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9713] <... futex resumed>) = 0 [pid 9713] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9713] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9712] <... futex resumed>) = 0 [pid 9712] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9713] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9712] <... futex resumed>) = 0 [pid 9713] <... openat resumed>) = 3 [pid 9712] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9713] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9712] <... futex resumed>) = 0 [pid 9713] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9712] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9713] <... futex resumed>) = 0 [pid 9712] <... futex resumed>) = 1 [pid 9713] pwrite64(3, "\x02\x00", 2, 4 [pid 9712] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9713] <... pwrite64 resumed>) = 2 [pid 9713] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9712] <... futex resumed>) = 0 [pid 9713] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9712] exit_group(0) = ? [pid 9713] <... futex resumed>) = ? [pid 9713] +++ exited with 0 +++ [pid 9712] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9712, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 417.870727][ T9713] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9714 attached , child_tidptr=0x555585adc6d0) = 9714 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9714] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9714] <... set_robust_list resumed>) = 0 [pid 9714] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9714] setpgid(0, 0) = 0 [pid 9714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9714] write(3, "1000", 4) = 4 [pid 9714] close(3) = 0 [pid 9714] write(1, "executing program\n", 18) = 18 executing program [pid 9714] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9714] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9714] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9714] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9714] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9715 attached => {parent_tid=[9715]}, 88) = 9715 [pid 9715] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9714] rt_sigprocmask(SIG_SETMASK, [] [pid 9715] <... rseq resumed>) = 0 [pid 9714] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9715] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9714] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9715] rt_sigprocmask(SIG_SETMASK, [] [pid 9714] <... futex resumed>) = 0 [pid 9714] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9715] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9715] memfd_create("syzkaller", 0) = 3 [pid 9715] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9715] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9715] munmap(0x7f0c24913000, 138412032) = 0 [pid 9715] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9715] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9715] close(3) = 0 [pid 9715] close(4) = 0 [pid 9715] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9715] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9715] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9715] ioctl(3, LOOP_CLR_FD) = 0 [pid 9715] close(3) = 0 [pid 9715] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9714] <... futex resumed>) = 0 [pid 9715] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9714] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9714] <... futex resumed>) = 0 [pid 9715] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9714] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9715] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9715] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9714] <... futex resumed>) = 0 [pid 9715] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9714] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9715] <... futex resumed>) = 0 [pid 9714] <... futex resumed>) = 1 [pid 9715] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9714] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9715] <... openat resumed>) = 3 [pid 9715] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9714] <... futex resumed>) = 0 [pid 9714] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9714] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9715] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9715] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9714] <... futex resumed>) = 0 [pid 9715] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9714] exit_group(0) = ? [pid 9715] <... futex resumed>) = ? [pid 9715] +++ exited with 0 +++ [pid 9714] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9714, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9716 attached , child_tidptr=0x555585adc6d0) = 9716 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9716] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9716] <... set_robust_list resumed>) = 0 [ 417.976059][ T9715] EXT4-fs: quotafile must be on filesystem root [pid 9716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9716] setpgid(0, 0) = 0 [pid 9716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9716] write(3, "1000", 4) = 4 [pid 9716] close(3) = 0 [pid 9716] write(1, "executing program\n", 18) = 18 executing program [pid 9716] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9716] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9716] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9716] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9716] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9717 attached [pid 9717] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9716] <... clone3 resumed> => {parent_tid=[9717]}, 88) = 9717 [pid 9717] <... rseq resumed>) = 0 [pid 9716] rt_sigprocmask(SIG_SETMASK, [] [pid 9717] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9716] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9717] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9717] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9716] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9717] <... futex resumed>) = 0 [pid 9716] <... futex resumed>) = 1 [pid 9717] memfd_create("syzkaller", 0 [pid 9716] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9717] <... memfd_create resumed>) = 3 [pid 9717] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9717] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9717] munmap(0x7f0c24913000, 138412032) = 0 [pid 9717] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9717] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9717] close(3) = 0 [pid 9717] close(4) = 0 [pid 9717] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9717] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9717] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9717] ioctl(3, LOOP_CLR_FD) = 0 [pid 9717] close(3) = 0 [pid 9717] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9716] <... futex resumed>) = 0 [pid 9717] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9716] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9717] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9716] <... futex resumed>) = 0 [pid 9717] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9716] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9717] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9716] <... futex resumed>) = 0 [pid 9716] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9717] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9716] <... futex resumed>) = 0 [pid 9716] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9717] <... openat resumed>) = 3 [pid 9717] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9716] <... futex resumed>) = 0 [pid 9717] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9716] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9717] <... futex resumed>) = 0 [pid 9716] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9717] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9717] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 418.076503][ T9717] set_capacity_and_notify: 32 callbacks suppressed [ 418.083606][ T9717] loop0: detected capacity change from 0 to 512 [ 418.094654][ T9717] EXT4-fs: quotafile must be on filesystem root [pid 9716] <... futex resumed>) = 0 [pid 9717] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9716] exit_group(0 [pid 9717] <... futex resumed>) = ? [pid 9716] <... exit_group resumed>) = ? [pid 9717] +++ exited with 0 +++ [pid 9716] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9718 attached [pid 9718] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9718 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9718] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9718] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9718] setpgid(0, 0) = 0 [pid 9718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9718] write(3, "1000", 4) = 4 [pid 9718] close(3) = 0 [pid 9718] write(1, "executing program\n", 18) = 18 executing program [pid 9718] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9718] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9718] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9718] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9718] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9719 attached [pid 9719] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9718] <... clone3 resumed> => {parent_tid=[9719]}, 88) = 9719 [pid 9719] <... rseq resumed>) = 0 [pid 9719] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9718] rt_sigprocmask(SIG_SETMASK, [] [pid 9719] rt_sigprocmask(SIG_SETMASK, [] [pid 9718] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9719] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9718] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9719] memfd_create("syzkaller", 0 [pid 9718] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9719] <... memfd_create resumed>) = 3 [pid 9719] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9719] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9719] munmap(0x7f0c24913000, 138412032) = 0 [pid 9719] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9719] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9719] close(3) = 0 [pid 9719] close(4) = 0 [pid 9719] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9719] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9719] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9719] ioctl(3, LOOP_CLR_FD) = 0 [pid 9719] close(3) = 0 [pid 9719] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9718] <... futex resumed>) = 0 [pid 9719] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9718] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9718] <... futex resumed>) = 0 [pid 9719] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9718] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9719] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9719] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9718] <... futex resumed>) = 0 [pid 9719] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9718] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9718] <... futex resumed>) = 0 [pid 9719] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9718] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9719] <... openat resumed>) = 3 [pid 9719] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9718] <... futex resumed>) = 0 [pid 9719] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9718] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9718] <... futex resumed>) = 0 [pid 9719] pwrite64(3, "\x02\x00", 2, 4 [pid 9718] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9719] <... pwrite64 resumed>) = 2 [pid 9719] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9718] <... futex resumed>) = 0 [pid 9719] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9718] exit_group(0 [pid 9719] <... futex resumed>) = ? [pid 9718] <... exit_group resumed>) = ? [pid 9719] +++ exited with 0 +++ [pid 9718] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9718, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 418.235091][ T9719] loop0: detected capacity change from 0 to 512 [ 418.250259][ T9719] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9720 attached , child_tidptr=0x555585adc6d0) = 9720 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9720] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9720] <... set_robust_list resumed>) = 0 [pid 9720] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9720] setpgid(0, 0) = 0 [pid 9720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9720] write(3, "1000", 4) = 4 [pid 9720] close(3) = 0 [pid 9720] write(1, "executing program\n", 18) = 18 executing program [pid 9720] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9720] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9720] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9720] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9720] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9720] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9721 attached => {parent_tid=[9721]}, 88) = 9721 [pid 9720] rt_sigprocmask(SIG_SETMASK, [] [pid 9721] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9720] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9721] set_robust_list(0x7f0c2cd339a0, 24 [pid 9720] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9721] <... set_robust_list resumed>) = 0 [pid 9720] <... futex resumed>) = 0 [pid 9720] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9721] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9721] memfd_create("syzkaller", 0) = 3 [pid 9721] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9721] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9721] munmap(0x7f0c24913000, 138412032) = 0 [pid 9721] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9721] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9721] close(3) = 0 [pid 9721] close(4) = 0 [pid 9721] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9721] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9721] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9721] ioctl(3, LOOP_CLR_FD) = 0 [pid 9721] close(3) = 0 [pid 9721] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9720] <... futex resumed>) = 0 [pid 9721] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9720] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9720] <... futex resumed>) = 0 [pid 9721] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9720] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9721] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9721] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9720] <... futex resumed>) = 0 [pid 9721] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9720] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9720] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9721] <... futex resumed>) = 0 [pid 9721] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9721] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9720] <... futex resumed>) = 0 [pid 9721] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9720] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9720] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9721] <... futex resumed>) = 0 [pid 9721] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9721] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9720] <... futex resumed>) = 0 [pid 9721] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9720] exit_group(0) = ? [pid 9721] <... futex resumed>) = ? [pid 9721] +++ exited with 0 +++ [pid 9720] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9720, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 418.375908][ T9721] loop0: detected capacity change from 0 to 512 [ 418.388247][ T9721] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9722 attached , child_tidptr=0x555585adc6d0) = 9722 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9722] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9722] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9722] setpgid(0, 0) = 0 [pid 9722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9722] write(3, "1000", 4) = 4 [pid 9722] close(3) = 0 [pid 9722] write(1, "executing program\n", 18) = 18 executing program [pid 9722] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9722] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9722] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9722] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9722] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9723 attached => {parent_tid=[9723]}, 88) = 9723 [pid 9722] rt_sigprocmask(SIG_SETMASK, [] [pid 9723] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9722] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9723] <... rseq resumed>) = 0 [pid 9722] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9723] set_robust_list(0x7f0c2cd339a0, 24 [pid 9722] <... futex resumed>) = 0 [pid 9723] <... set_robust_list resumed>) = 0 [pid 9722] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9723] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9723] memfd_create("syzkaller", 0) = 3 [pid 9723] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9723] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9723] munmap(0x7f0c24913000, 138412032) = 0 [pid 9723] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9723] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9723] close(3) = 0 [pid 9723] close(4) = 0 [pid 9723] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9723] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9723] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9723] ioctl(3, LOOP_CLR_FD) = 0 [pid 9723] close(3) = 0 [pid 9723] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9723] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9722] <... futex resumed>) = 0 [pid 9722] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9722] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9723] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9723] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9722] <... futex resumed>) = 0 [pid 9723] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9722] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9722] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9723] <... openat resumed>) = 3 [pid 9723] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9722] <... futex resumed>) = 0 [pid 9723] pwrite64(3, "\x02\x00", 2, 4 [pid 9722] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9723] <... pwrite64 resumed>) = 2 [pid 9722] <... futex resumed>) = 0 [pid 9723] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9722] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9722] exit_group(0) = ? [pid 9723] <... futex resumed>) = ? [pid 9723] +++ exited with 0 +++ [pid 9722] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 418.500189][ T9723] loop0: detected capacity change from 0 to 512 [ 418.506227][ T9723] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9724 attached [pid 9724] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9724 [pid 9724] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9724] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9724] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9724] setpgid(0, 0) = 0 [pid 9724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9724] write(3, "1000", 4) = 4 [pid 9724] close(3) = 0 [pid 9724] write(1, "executing program\n", 18) = 18 executing program [pid 9724] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9724] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9724] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9724] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9724] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9724] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9724] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9725]}, 88) = 9725 ci2-upstream-fs/strace-static-x86_64: Process 9725 attached [pid 9724] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9725] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9724] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9725] set_robust_list(0x7f0c2cd339a0, 24 [pid 9724] <... futex resumed>) = 0 [pid 9725] <... set_robust_list resumed>) = 0 [pid 9724] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9725] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9725] memfd_create("syzkaller", 0) = 3 [pid 9725] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9725] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9725] munmap(0x7f0c24913000, 138412032) = 0 [pid 9725] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9725] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9725] close(3) = 0 [pid 9725] close(4) = 0 [pid 9725] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9725] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9725] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9725] ioctl(3, LOOP_CLR_FD) = 0 [pid 9725] close(3) = 0 [pid 9725] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9724] <... futex resumed>) = 0 [pid 9725] <... futex resumed>) = 1 [pid 9724] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9725] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9724] <... futex resumed>) = 0 [pid 9725] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9724] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9725] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9724] <... futex resumed>) = 0 [pid 9725] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9724] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9725] <... openat resumed>) = 3 [pid 9724] <... futex resumed>) = 0 [pid 9724] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9725] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9724] <... futex resumed>) = 0 [pid 9725] <... futex resumed>) = 1 [pid 9724] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9725] pwrite64(3, "\x02\x00", 2, 4 [pid 9724] <... futex resumed>) = 0 [pid 9725] <... pwrite64 resumed>) = 2 [pid 9724] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9725] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9724] <... futex resumed>) = 0 [pid 9725] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9724] exit_group(0 [pid 9725] <... futex resumed>) = ? [pid 9724] <... exit_group resumed>) = ? [pid 9725] +++ exited with 0 +++ [pid 9724] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9724, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 418.606295][ T9725] loop0: detected capacity change from 0 to 512 [ 418.616357][ T9725] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9726 attached , child_tidptr=0x555585adc6d0) = 9726 [pid 9726] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9726] <... set_robust_list resumed>) = 0 [pid 9726] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9726] setpgid(0, 0) = 0 [pid 9726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9726] write(3, "1000", 4) = 4 [pid 9726] close(3) = 0 executing program [pid 9726] write(1, "executing program\n", 18) = 18 [pid 9726] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9726] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9726] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9726] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9726] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9727 attached [pid 9727] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9726] <... clone3 resumed> => {parent_tid=[9727]}, 88) = 9727 [pid 9727] set_robust_list(0x7f0c2cd339a0, 24 [pid 9726] rt_sigprocmask(SIG_SETMASK, [] [pid 9727] <... set_robust_list resumed>) = 0 [pid 9726] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9727] rt_sigprocmask(SIG_SETMASK, [] [pid 9726] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9727] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9727] memfd_create("syzkaller", 0 [pid 9726] <... futex resumed>) = 0 [pid 9727] <... memfd_create resumed>) = 3 [pid 9726] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9727] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9727] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9727] munmap(0x7f0c24913000, 138412032) = 0 [pid 9727] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9727] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9727] close(3) = 0 [pid 9727] close(4) = 0 [pid 9727] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9727] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9727] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9727] ioctl(3, LOOP_CLR_FD) = 0 [pid 9727] close(3) = 0 [pid 9727] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9726] <... futex resumed>) = 0 [pid 9727] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9726] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9726] <... futex resumed>) = 0 [pid 9727] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9726] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9727] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9727] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9726] <... futex resumed>) = 0 [pid 9726] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9727] <... futex resumed>) = 1 [pid 9726] <... futex resumed>) = 0 [pid 9727] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9726] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9727] <... openat resumed>) = 3 [pid 9727] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9726] <... futex resumed>) = 0 [pid 9727] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9726] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9726] <... futex resumed>) = 0 [pid 9727] pwrite64(3, "\x02\x00", 2, 4 [pid 9726] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9727] <... pwrite64 resumed>) = 2 [pid 9727] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9726] <... futex resumed>) = 0 [pid 9727] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9726] exit_group(0) = ? [pid 9727] <... futex resumed>) = ? [pid 9727] +++ exited with 0 +++ [pid 9726] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 418.731197][ T9727] loop0: detected capacity change from 0 to 512 [ 418.746691][ T9727] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9728 attached [pid 9728] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9728 [pid 9728] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9728] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9728] setpgid(0, 0) = 0 [pid 9728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9728] write(3, "1000", 4) = 4 [pid 9728] close(3) = 0 [pid 9728] write(1, "executing program\n", 18) = 18 executing program [pid 9728] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9728] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9728] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9728] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9728] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9728] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9729 attached => {parent_tid=[9729]}, 88) = 9729 [pid 9729] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9728] rt_sigprocmask(SIG_SETMASK, [] [pid 9729] <... rseq resumed>) = 0 [pid 9728] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9729] set_robust_list(0x7f0c2cd339a0, 24 [pid 9728] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9728] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9729] <... set_robust_list resumed>) = 0 [pid 9729] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9729] memfd_create("syzkaller", 0) = 3 [pid 9729] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9729] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9729] munmap(0x7f0c24913000, 138412032) = 0 [pid 9729] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9729] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9729] close(3) = 0 [pid 9729] close(4) = 0 [pid 9729] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9729] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9729] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9729] ioctl(3, LOOP_CLR_FD) = 0 [pid 9729] close(3) = 0 [pid 9729] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9728] <... futex resumed>) = 0 [pid 9729] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9728] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9728] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9729] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9729] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9728] <... futex resumed>) = 0 [pid 9729] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9728] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9729] <... futex resumed>) = 0 [pid 9728] <... futex resumed>) = 1 [pid 9728] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9729] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9729] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9728] <... futex resumed>) = 0 [pid 9729] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9728] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9729] pwrite64(3, "\x02\x00", 2, 4 [pid 9728] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9729] <... pwrite64 resumed>) = 2 [pid 9729] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9728] <... futex resumed>) = 0 [pid 9729] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9728] exit_group(0) = ? [pid 9729] <... futex resumed>) = ? [pid 9729] +++ exited with 0 +++ [pid 9728] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9728, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 418.851069][ T9729] loop0: detected capacity change from 0 to 512 [ 418.859577][ T9729] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9730 attached , child_tidptr=0x555585adc6d0) = 9730 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9730] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9730] <... set_robust_list resumed>) = 0 [pid 9730] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9730] setpgid(0, 0) = 0 [pid 9730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9730] write(3, "1000", 4) = 4 [pid 9730] close(3) = 0 [pid 9730] write(1, "executing program\n", 18) = 18 [pid 9730] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9730] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9730] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 executing program [pid 9730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9730] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9730] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9731 attached [pid 9731] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9730] <... clone3 resumed> => {parent_tid=[9731]}, 88) = 9731 [pid 9731] set_robust_list(0x7f0c2cd339a0, 24 [pid 9730] rt_sigprocmask(SIG_SETMASK, [] [pid 9731] <... set_robust_list resumed>) = 0 [pid 9730] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9731] rt_sigprocmask(SIG_SETMASK, [] [pid 9730] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9731] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9730] <... futex resumed>) = 0 [pid 9730] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9731] memfd_create("syzkaller", 0) = 3 [pid 9731] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9731] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9731] munmap(0x7f0c24913000, 138412032) = 0 [pid 9731] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9731] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9731] close(3) = 0 [pid 9731] close(4) = 0 [pid 9731] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9731] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9731] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9731] ioctl(3, LOOP_CLR_FD) = 0 [pid 9731] close(3) = 0 [pid 9731] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9730] <... futex resumed>) = 0 [pid 9731] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9730] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9730] <... futex resumed>) = 0 [pid 9731] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9730] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9731] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9730] <... futex resumed>) = 0 [pid 9731] <... futex resumed>) = 1 [pid 9730] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9731] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9730] <... futex resumed>) = 0 [pid 9730] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9731] <... openat resumed>) = 3 [pid 9731] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9730] <... futex resumed>) = 0 [pid 9731] pwrite64(3, "\x02\x00", 2, 4 [pid 9730] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9730] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9731] <... pwrite64 resumed>) = 2 [pid 9731] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9730] <... futex resumed>) = 0 [pid 9731] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9730] exit_group(0 [pid 9731] <... futex resumed>) = ? [pid 9730] <... exit_group resumed>) = ? [pid 9731] +++ exited with 0 +++ [pid 9730] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9730, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9732 attached [ 418.974920][ T9731] loop0: detected capacity change from 0 to 512 [ 419.005131][ T9731] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9732 [pid 9732] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9732] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9732] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9732] setpgid(0, 0) = 0 [pid 9732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9732] write(3, "1000", 4) = 4 [pid 9732] close(3) = 0 executing program [pid 9732] write(1, "executing program\n", 18) = 18 [pid 9732] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9732] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9732] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9732] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9732] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9733 attached => {parent_tid=[9733]}, 88) = 9733 [pid 9732] rt_sigprocmask(SIG_SETMASK, [] [pid 9733] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9732] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9732] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9732] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9733] <... rseq resumed>) = 0 [pid 9733] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9733] memfd_create("syzkaller", 0) = 3 [pid 9733] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9733] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9733] munmap(0x7f0c24913000, 138412032) = 0 [pid 9733] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9733] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9733] close(3) = 0 [pid 9733] close(4) = 0 [pid 9733] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9733] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9733] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9733] ioctl(3, LOOP_CLR_FD) = 0 [pid 9733] close(3) = 0 [pid 9733] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9733] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9732] <... futex resumed>) = 0 [pid 9733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9732] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9733] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9732] <... futex resumed>) = 0 [pid 9732] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9733] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9733] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9732] <... futex resumed>) = 0 [pid 9733] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9732] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9733] <... openat resumed>) = 3 [pid 9732] <... futex resumed>) = 0 [pid 9732] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9733] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9732] <... futex resumed>) = 0 [pid 9733] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9732] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9732] <... futex resumed>) = 0 [pid 9733] pwrite64(3, "\x02\x00", 2, 4 [pid 9732] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9733] <... pwrite64 resumed>) = 2 [pid 9733] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9732] <... futex resumed>) = 0 [pid 9732] exit_group(0 [pid 9733] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9732] <... exit_group resumed>) = ? [pid 9733] +++ exited with 0 +++ [pid 9732] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9732, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 419.146114][ T9733] loop0: detected capacity change from 0 to 512 [ 419.154743][ T9733] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9734 attached , child_tidptr=0x555585adc6d0) = 9734 [pid 9734] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9734] <... set_robust_list resumed>) = 0 [pid 9734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9734] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9734] setpgid(0, 0) = 0 [pid 9734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9734] write(3, "1000", 4) = 4 [pid 9734] close(3) = 0 [pid 9734] write(1, "executing program\n", 18) = 18 executing program [pid 9734] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9734] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9734] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9734] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9734] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9734] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9735 attached => {parent_tid=[9735]}, 88) = 9735 [pid 9735] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9734] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9735] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9734] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9735] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9735] memfd_create("syzkaller", 0) = 3 [pid 9735] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9735] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9735] munmap(0x7f0c24913000, 138412032) = 0 [pid 9735] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9735] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9735] close(3) = 0 [pid 9735] close(4) = 0 [pid 9735] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9735] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9735] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9735] ioctl(3, LOOP_CLR_FD) = 0 [pid 9735] close(3) = 0 [pid 9735] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9734] <... futex resumed>) = 0 [pid 9735] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9734] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9734] <... futex resumed>) = 0 [pid 9734] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9735] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9735] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9734] <... futex resumed>) = 0 [pid 9735] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9734] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9734] <... futex resumed>) = 0 [pid 9735] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9734] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9735] <... openat resumed>) = 3 [pid 9735] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9734] <... futex resumed>) = 0 [pid 9734] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9735] pwrite64(3, "\x02\x00", 2, 4 [pid 9734] <... futex resumed>) = 0 [pid 9735] <... pwrite64 resumed>) = 2 [pid 9734] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9735] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9734] <... futex resumed>) = 0 [pid 9734] exit_group(0 [pid 9735] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9734] <... exit_group resumed>) = ? [pid 9735] <... futex resumed>) = ? [pid 9735] +++ exited with 0 +++ [pid 9734] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9734, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9736 attached , child_tidptr=0x555585adc6d0) = 9736 [pid 9736] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9736] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9736] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9736] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9736] <... prctl resumed>) = 0 [pid 9736] setpgid(0, 0) = 0 [pid 9736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9736] write(3, "1000", 4) = 4 [pid 9736] close(3) = 0 [pid 9736] write(1, "executing program\n", 18) = 18 executing program [pid 9736] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9736] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9736] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [ 419.271379][ T9735] loop0: detected capacity change from 0 to 512 [ 419.293270][ T9735] EXT4-fs: quotafile must be on filesystem root [pid 9736] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9736] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9737 attached => {parent_tid=[9737]}, 88) = 9737 [pid 9737] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9736] rt_sigprocmask(SIG_SETMASK, [] [pid 9737] <... rseq resumed>) = 0 [pid 9737] set_robust_list(0x7f0c2cd339a0, 24 [pid 9736] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9737] <... set_robust_list resumed>) = 0 [pid 9736] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9737] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9736] <... futex resumed>) = 0 [pid 9737] memfd_create("syzkaller", 0 [pid 9736] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9737] <... memfd_create resumed>) = 3 [pid 9737] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9737] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9737] munmap(0x7f0c24913000, 138412032) = 0 [pid 9737] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9737] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9737] close(3) = 0 [pid 9737] close(4) = 0 [pid 9737] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9737] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9737] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9737] ioctl(3, LOOP_CLR_FD) = 0 [pid 9737] close(3) = 0 [pid 9737] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9736] <... futex resumed>) = 0 [pid 9737] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9736] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9736] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9737] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9737] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9736] <... futex resumed>) = 0 [pid 9736] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9737] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9736] <... futex resumed>) = 0 [pid 9737] <... openat resumed>) = 3 [pid 9736] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9737] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9736] <... futex resumed>) = 0 [pid 9737] <... futex resumed>) = 1 [pid 9736] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9737] pwrite64(3, "\x02\x00", 2, 4 [pid 9736] <... futex resumed>) = 0 [pid 9737] <... pwrite64 resumed>) = 2 [pid 9736] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9737] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9736] <... futex resumed>) = 0 [pid 9737] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9736] exit_group(0 [pid 9737] <... futex resumed>) = ? [pid 9736] <... exit_group resumed>) = ? [pid 9737] +++ exited with 0 +++ [pid 9736] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9736, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9738 attached [pid 9738] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9738 [pid 9738] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9738] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9738] setpgid(0, 0) = 0 [ 419.379881][ T9737] EXT4-fs: quotafile must be on filesystem root [pid 9738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9738] write(3, "1000", 4) = 4 [pid 9738] close(3) = 0 executing program [pid 9738] write(1, "executing program\n", 18) = 18 [pid 9738] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9738] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9738] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9738] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9738] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9739 attached [pid 9739] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9738] <... clone3 resumed> => {parent_tid=[9739]}, 88) = 9739 [pid 9739] <... rseq resumed>) = 0 [pid 9738] rt_sigprocmask(SIG_SETMASK, [] [pid 9739] set_robust_list(0x7f0c2cd339a0, 24 [pid 9738] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9739] <... set_robust_list resumed>) = 0 [pid 9738] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9739] rt_sigprocmask(SIG_SETMASK, [] [pid 9738] <... futex resumed>) = 0 [pid 9739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9738] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9739] memfd_create("syzkaller", 0) = 3 [pid 9739] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9739] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9739] munmap(0x7f0c24913000, 138412032) = 0 [pid 9739] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9739] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9739] close(3) = 0 [pid 9739] close(4) = 0 [pid 9739] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9739] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9739] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9739] ioctl(3, LOOP_CLR_FD) = 0 [pid 9739] close(3) = 0 [pid 9739] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9738] <... futex resumed>) = 0 [pid 9739] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9738] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9738] <... futex resumed>) = 0 [pid 9739] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9738] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9739] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9739] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9738] <... futex resumed>) = 0 [pid 9739] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9738] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9738] <... futex resumed>) = 0 [pid 9739] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9738] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9739] <... openat resumed>) = 3 [pid 9739] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9738] <... futex resumed>) = 0 [pid 9739] <... futex resumed>) = 1 [pid 9738] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9739] pwrite64(3, "\x02\x00", 2, 4 [pid 9738] <... futex resumed>) = 0 [pid 9739] <... pwrite64 resumed>) = 2 [pid 9738] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9739] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9738] <... futex resumed>) = 0 [pid 9739] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9738] exit_group(0 [pid 9739] <... futex resumed>) = ? [pid 9738] <... exit_group resumed>) = ? [pid 9739] +++ exited with 0 +++ [pid 9738] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9738, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9740 [ 419.476586][ T9739] EXT4-fs: quotafile must be on filesystem root ci2-upstream-fs/strace-static-x86_64: Process 9740 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9740] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9740] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9740] setpgid(0, 0) = 0 [pid 9740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9740] write(3, "1000", 4) = 4 [pid 9740] close(3) = 0 [pid 9740] write(1, "executing program\n", 18) = 18 executing program [pid 9740] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9740] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9740] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9740] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9740] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9741 attached [pid 9741] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9740] <... clone3 resumed> => {parent_tid=[9741]}, 88) = 9741 [pid 9741] <... rseq resumed>) = 0 [pid 9740] rt_sigprocmask(SIG_SETMASK, [] [pid 9741] set_robust_list(0x7f0c2cd339a0, 24 [pid 9740] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9741] <... set_robust_list resumed>) = 0 [pid 9740] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9741] rt_sigprocmask(SIG_SETMASK, [] [pid 9740] <... futex resumed>) = 0 [pid 9741] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9741] memfd_create("syzkaller", 0 [pid 9740] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9741] <... memfd_create resumed>) = 3 [pid 9741] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9741] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9741] munmap(0x7f0c24913000, 138412032) = 0 [pid 9741] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9741] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9741] close(3) = 0 [pid 9741] close(4) = 0 [pid 9741] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9741] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9741] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9741] ioctl(3, LOOP_CLR_FD) = 0 [pid 9741] close(3) = 0 [pid 9741] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9740] <... futex resumed>) = 0 [pid 9740] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9740] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9741] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9741] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9740] <... futex resumed>) = 0 [pid 9741] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9740] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9740] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9741] <... futex resumed>) = 0 [pid 9741] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9741] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9740] <... futex resumed>) = 0 [pid 9741] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9740] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9741] <... futex resumed>) = 0 [pid 9740] <... futex resumed>) = 1 [pid 9741] pwrite64(3, "\x02\x00", 2, 4 [pid 9740] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9741] <... pwrite64 resumed>) = 2 [pid 9741] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9740] <... futex resumed>) = 0 [pid 9741] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9740] exit_group(0 [pid 9741] <... futex resumed>) = ? [pid 9740] <... exit_group resumed>) = ? [pid 9741] +++ exited with 0 +++ [pid 9740] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9740, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9742 attached [pid 9742] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9742] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9742] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9742 [pid 9742] <... prctl resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9742] setpgid(0, 0) = 0 [pid 9742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9742] <... openat resumed>) = 3 [ 419.585304][ T9741] EXT4-fs: quotafile must be on filesystem root [pid 9742] write(3, "1000", 4) = 4 [pid 9742] close(3) = 0 [pid 9742] write(1, "executing program\n", 18) = 18 executing program [pid 9742] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9742] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9742] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9742] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9742] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9742] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9743 attached => {parent_tid=[9743]}, 88) = 9743 [pid 9743] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9742] rt_sigprocmask(SIG_SETMASK, [] [pid 9743] <... rseq resumed>) = 0 [pid 9743] set_robust_list(0x7f0c2cd339a0, 24 [pid 9742] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9743] <... set_robust_list resumed>) = 0 [pid 9742] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9743] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9743] memfd_create("syzkaller", 0 [pid 9742] <... futex resumed>) = 0 [pid 9743] <... memfd_create resumed>) = 3 [pid 9742] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9743] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9743] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9743] munmap(0x7f0c24913000, 138412032) = 0 [pid 9743] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9743] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9743] close(3) = 0 [pid 9743] close(4) = 0 [pid 9743] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9743] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9743] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9743] ioctl(3, LOOP_CLR_FD) = 0 [pid 9743] close(3) = 0 [pid 9743] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9742] <... futex resumed>) = 0 [pid 9742] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9743] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9742] <... futex resumed>) = 0 [pid 9743] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9742] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9743] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9742] <... futex resumed>) = 0 [pid 9742] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9742] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9743] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9743] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9742] <... futex resumed>) = 0 [pid 9743] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9742] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9742] <... futex resumed>) = 0 [pid 9743] pwrite64(3, "\x02\x00", 2, 4 [pid 9742] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9743] <... pwrite64 resumed>) = 2 [pid 9743] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9743] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9742] <... futex resumed>) = 0 [pid 9742] exit_group(0) = ? [pid 9743] <... futex resumed>) = ? [pid 9743] +++ exited with 0 +++ [pid 9742] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9742, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 419.706420][ T9743] EXT4-fs: quotafile must be on filesystem root close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9744 attached , child_tidptr=0x555585adc6d0) = 9744 [pid 9744] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9744] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9744] setpgid(0, 0) = 0 [pid 9744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9744] write(3, "1000", 4) = 4 [pid 9744] close(3) = 0 [pid 9744] write(1, "executing program\n", 18) = 18 [pid 9744] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9744] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9744] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9744] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9744] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9745 attached [pid 9745] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9744] <... clone3 resumed> => {parent_tid=[9745]}, 88) = 9745 [pid 9745] <... rseq resumed>) = 0 [pid 9745] set_robust_list(0x7f0c2cd339a0, 24 [pid 9744] rt_sigprocmask(SIG_SETMASK, [] [pid 9745] <... set_robust_list resumed>) = 0 [pid 9744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9745] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9744] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9745] memfd_create("syzkaller", 0 [pid 9744] <... futex resumed>) = 0 [pid 9744] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9745] <... memfd_create resumed>) = 3 [pid 9745] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9745] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9745] munmap(0x7f0c24913000, 138412032) = 0 [pid 9745] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9745] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9745] close(3) = 0 [pid 9745] close(4) = 0 [pid 9745] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9745] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9745] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9745] ioctl(3, LOOP_CLR_FD) = 0 [pid 9745] close(3) = 0 [pid 9745] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9744] <... futex resumed>) = 0 [pid 9745] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9744] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9744] <... futex resumed>) = 0 [pid 9745] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9744] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9745] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9744] <... futex resumed>) = 0 [pid 9745] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9744] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9744] <... futex resumed>) = 0 [pid 9745] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9744] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9745] <... openat resumed>) = 3 [pid 9745] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9744] <... futex resumed>) = 0 [pid 9745] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9744] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9745] <... futex resumed>) = 0 [pid 9744] <... futex resumed>) = 1 [pid 9745] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9744] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9745] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9744] <... futex resumed>) = 0 [pid 9745] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9744] exit_group(0 [pid 9745] <... futex resumed>) = ? [pid 9745] +++ exited with 0 +++ [pid 9744] <... exit_group resumed>) = ? [pid 9744] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9744, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 419.826282][ T9745] EXT4-fs: quotafile must be on filesystem root close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9746 attached , child_tidptr=0x555585adc6d0) = 9746 [pid 9746] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9746] <... set_robust_list resumed>) = 0 [pid 9746] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9746] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9746] setpgid(0, 0) = 0 [pid 9746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9746] write(3, "1000", 4) = 4 [pid 9746] close(3) = 0 executing program [pid 9746] write(1, "executing program\n", 18) = 18 [pid 9746] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9746] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9746] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9746] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9746] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9746] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9746] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9747 attached [pid 9747] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9746] <... clone3 resumed> => {parent_tid=[9747]}, 88) = 9747 [pid 9747] <... rseq resumed>) = 0 [pid 9746] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9746] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9747] set_robust_list(0x7f0c2cd339a0, 24 [pid 9746] <... futex resumed>) = 0 [pid 9746] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9747] <... set_robust_list resumed>) = 0 [pid 9747] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9747] memfd_create("syzkaller", 0) = 3 [pid 9747] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9747] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9747] munmap(0x7f0c24913000, 138412032) = 0 [pid 9747] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9747] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9747] close(3) = 0 [pid 9747] close(4) = 0 [pid 9747] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9747] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9747] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9747] ioctl(3, LOOP_CLR_FD) = 0 [pid 9747] close(3) = 0 [pid 9747] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9747] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9746] <... futex resumed>) = 0 [pid 9746] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9747] <... futex resumed>) = 0 [pid 9747] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9746] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9747] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9747] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9747] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9746] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9747] <... futex resumed>) = 0 [pid 9746] <... futex resumed>) = 1 [pid 9747] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9746] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9747] <... openat resumed>) = 3 [pid 9747] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9746] <... futex resumed>) = 0 [pid 9747] <... futex resumed>) = 1 [pid 9746] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9747] pwrite64(3, "\x02\x00", 2, 4 [pid 9746] <... futex resumed>) = 0 [pid 9746] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9747] <... pwrite64 resumed>) = 2 [pid 9747] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9746] <... futex resumed>) = 0 [pid 9747] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9746] exit_group(0 [pid 9747] <... futex resumed>) = ? [pid 9746] <... exit_group resumed>) = ? [pid 9747] +++ exited with 0 +++ [pid 9746] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9746, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9748 attached , child_tidptr=0x555585adc6d0) = 9748 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [ 419.969997][ T9747] EXT4-fs: quotafile must be on filesystem root [pid 9748] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9748] <... set_robust_list resumed>) = 0 [pid 9748] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9748] setpgid(0, 0) = 0 [pid 9748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9748] write(3, "1000", 4) = 4 [pid 9748] close(3) = 0 [pid 9748] write(1, "executing program\n", 18) = 18 [pid 9748] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9748] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 executing program [pid 9748] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9748] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9748] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9749 attached [pid 9749] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9748] <... clone3 resumed> => {parent_tid=[9749]}, 88) = 9749 [pid 9749] <... rseq resumed>) = 0 [pid 9749] set_robust_list(0x7f0c2cd339a0, 24 [pid 9748] rt_sigprocmask(SIG_SETMASK, [] [pid 9749] <... set_robust_list resumed>) = 0 [pid 9748] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9749] rt_sigprocmask(SIG_SETMASK, [] [pid 9748] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9749] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9748] <... futex resumed>) = 0 [pid 9749] memfd_create("syzkaller", 0 [pid 9748] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9749] <... memfd_create resumed>) = 3 [pid 9749] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9749] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9749] munmap(0x7f0c24913000, 138412032) = 0 [pid 9749] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9749] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9749] close(3) = 0 [pid 9749] close(4) = 0 [pid 9749] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9749] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9749] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9749] ioctl(3, LOOP_CLR_FD) = 0 [pid 9749] close(3) = 0 [pid 9749] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9749] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9748] <... futex resumed>) = 0 [pid 9748] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9749] <... futex resumed>) = 0 [pid 9748] <... futex resumed>) = 1 [pid 9749] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9748] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9749] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9749] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9748] <... futex resumed>) = 0 [pid 9749] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9748] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9748] <... futex resumed>) = 0 [pid 9749] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9748] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9749] <... openat resumed>) = 3 [pid 9749] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9748] <... futex resumed>) = 0 [pid 9749] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9748] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9748] <... futex resumed>) = 0 [pid 9749] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9748] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9749] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9748] <... futex resumed>) = 0 [pid 9749] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9748] exit_group(0 [pid 9749] <... futex resumed>) = ? [pid 9748] <... exit_group resumed>) = ? [pid 9749] +++ exited with 0 +++ [pid 9748] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9748, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9750 attached , child_tidptr=0x555585adc6d0) = 9750 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 420.096143][ T9749] EXT4-fs: quotafile must be on filesystem root [pid 9750] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9750] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9750] setpgid(0, 0) = 0 [pid 9750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9750] write(3, "1000", 4) = 4 [pid 9750] close(3) = 0 [pid 9750] write(1, "executing program\n", 18) = 18 executing program [pid 9750] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9750] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9750] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9750] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9751 attached [pid 9751] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9750] <... clone3 resumed> => {parent_tid=[9751]}, 88) = 9751 [pid 9751] set_robust_list(0x7f0c2cd339a0, 24 [pid 9750] rt_sigprocmask(SIG_SETMASK, [] [pid 9751] <... set_robust_list resumed>) = 0 [pid 9750] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9751] rt_sigprocmask(SIG_SETMASK, [] [pid 9750] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9751] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9750] <... futex resumed>) = 0 [pid 9751] memfd_create("syzkaller", 0 [pid 9750] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9751] <... memfd_create resumed>) = 3 [pid 9751] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9751] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9751] munmap(0x7f0c24913000, 138412032) = 0 [pid 9751] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9751] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9751] close(3) = 0 [pid 9751] close(4) = 0 [pid 9751] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9751] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9751] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9751] ioctl(3, LOOP_CLR_FD) = 0 [pid 9751] close(3) = 0 [pid 9751] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9750] <... futex resumed>) = 0 [pid 9751] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9750] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9751] <... futex resumed>) = 0 [pid 9750] <... futex resumed>) = 1 [pid 9750] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9751] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9751] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9750] <... futex resumed>) = 0 [pid 9751] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9750] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9750] <... futex resumed>) = 0 [pid 9751] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9750] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9751] <... openat resumed>) = 3 [pid 9751] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9750] <... futex resumed>) = 0 [pid 9751] pwrite64(3, "\x02\x00", 2, 4 [pid 9750] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9751] <... pwrite64 resumed>) = 2 [pid 9750] <... futex resumed>) = 0 [pid 9750] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9751] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9751] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9750] exit_group(0) = ? [pid 9751] <... futex resumed>) = ? [ 420.197791][ T9751] EXT4-fs: quotafile must be on filesystem root [pid 9751] +++ exited with 0 +++ [pid 9750] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9750, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9752 rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 9752 attached [pid 9752] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9752] <... set_robust_list resumed>) = 0 [pid 9752] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9752] setpgid(0, 0) = 0 [pid 9752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9752] write(3, "1000", 4) = 4 [pid 9752] close(3) = 0 [pid 9752] write(1, "executing program\n", 18) = 18 executing program [pid 9752] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9752] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9752] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9752] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9752] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9753 attached => {parent_tid=[9753]}, 88) = 9753 [pid 9752] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9752] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9752] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9753] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9753] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9753] memfd_create("syzkaller", 0) = 3 [pid 9753] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9753] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9753] munmap(0x7f0c24913000, 138412032) = 0 [pid 9753] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9753] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9753] close(3) = 0 [pid 9753] close(4) = 0 [pid 9753] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9753] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9753] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9753] ioctl(3, LOOP_CLR_FD) = 0 [pid 9753] close(3) = 0 [pid 9753] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9752] <... futex resumed>) = 0 [pid 9753] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9752] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9753] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9752] <... futex resumed>) = 0 [pid 9753] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9752] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9753] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9752] <... futex resumed>) = 0 [pid 9753] <... futex resumed>) = 1 [pid 9752] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9753] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9752] <... futex resumed>) = 0 [pid 9752] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9753] <... openat resumed>) = 3 [pid 9753] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9752] <... futex resumed>) = 0 [pid 9753] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9752] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9752] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9753] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9753] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9752] <... futex resumed>) = 0 [pid 9752] exit_group(0) = ? [pid 9753] <... futex resumed>) = ? [pid 9753] +++ exited with 0 +++ [pid 9752] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9752, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 420.317938][ T9753] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9754 attached [pid 9754] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9754] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9754 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9754] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9754] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9754] setpgid(0, 0) = 0 [pid 9754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9754] write(3, "1000", 4) = 4 [pid 9754] close(3) = 0 [pid 9754] write(1, "executing program\n", 18) = 18 executing program [pid 9754] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9754] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9754] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9754] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9754] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9755 attached [pid 9755] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9754] <... clone3 resumed> => {parent_tid=[9755]}, 88) = 9755 [pid 9755] <... rseq resumed>) = 0 [pid 9754] rt_sigprocmask(SIG_SETMASK, [] [pid 9755] set_robust_list(0x7f0c2cd339a0, 24 [pid 9754] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9755] <... set_robust_list resumed>) = 0 [pid 9755] rt_sigprocmask(SIG_SETMASK, [] [pid 9754] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9755] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9754] <... futex resumed>) = 0 [pid 9755] memfd_create("syzkaller", 0 [pid 9754] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9755] <... memfd_create resumed>) = 3 [pid 9755] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9755] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9755] munmap(0x7f0c24913000, 138412032) = 0 [pid 9755] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9755] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9755] close(3) = 0 [pid 9755] close(4) = 0 [pid 9755] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9755] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9755] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9755] ioctl(3, LOOP_CLR_FD) = 0 [pid 9755] close(3) = 0 [pid 9755] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9755] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9754] <... futex resumed>) = 0 [pid 9754] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9754] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9755] <... futex resumed>) = 0 [pid 9755] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9755] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9754] <... futex resumed>) = 0 [pid 9755] <... futex resumed>) = 1 [pid 9754] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9755] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9754] <... futex resumed>) = 0 [pid 9755] <... openat resumed>) = 3 [pid 9754] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9755] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9755] <... futex resumed>) = 0 [pid 9754] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9755] pwrite64(3, "\x02\x00", 2, 4 [pid 9754] <... futex resumed>) = 0 [pid 9755] <... pwrite64 resumed>) = 2 [pid 9754] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9755] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9755] <... futex resumed>) = 0 [pid 9755] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9754] exit_group(0 [pid 9755] <... futex resumed>) = ? [pid 9754] <... exit_group resumed>) = ? [pid 9755] +++ exited with 0 +++ [pid 9754] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9754, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9756 ci2-upstream-fs/strace-static-x86_64: Process 9756 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 420.486758][ T9755] EXT4-fs: quotafile must be on filesystem root [pid 9756] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9756] setpgid(0, 0) = 0 [pid 9756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9756] write(3, "1000", 4) = 4 [pid 9756] close(3) = 0 [pid 9756] write(1, "executing program\n", 18) = 18 executing program [pid 9756] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9756] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9756] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9756] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9756] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9757 attached [pid 9757] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9756] <... clone3 resumed> => {parent_tid=[9757]}, 88) = 9757 [pid 9757] <... rseq resumed>) = 0 [pid 9756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9757] set_robust_list(0x7f0c2cd339a0, 24 [pid 9756] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9757] <... set_robust_list resumed>) = 0 [pid 9757] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9756] <... futex resumed>) = 0 [pid 9756] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9757] memfd_create("syzkaller", 0) = 3 [pid 9757] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9757] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9757] munmap(0x7f0c24913000, 138412032) = 0 [pid 9757] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9757] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9757] close(3) = 0 [pid 9757] close(4) = 0 [pid 9757] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9757] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9757] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9757] ioctl(3, LOOP_CLR_FD) = 0 [pid 9757] close(3) = 0 [pid 9757] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9756] <... futex resumed>) = 0 [pid 9757] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9756] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9756] <... futex resumed>) = 0 [pid 9757] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9756] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9757] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9757] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9756] <... futex resumed>) = 0 [pid 9757] <... futex resumed>) = 1 [pid 9756] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9757] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9756] <... futex resumed>) = 0 [pid 9757] <... openat resumed>) = 3 [pid 9756] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9757] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9756] <... futex resumed>) = 0 [pid 9757] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9756] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9756] <... futex resumed>) = 0 [pid 9756] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9757] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9757] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9756] <... futex resumed>) = 0 [pid 9756] exit_group(0) = ? [pid 9757] +++ exited with 0 +++ [pid 9756] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9756, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9758 attached [pid 9758] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9758] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9758 [pid 9758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9758] <... prctl resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9758] setpgid(0, 0) = 0 [pid 9758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9758] write(3, "1000", 4) = 4 [pid 9758] close(3) = 0 [pid 9758] write(1, "executing program\n", 18) = 18 executing program [pid 9758] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9758] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [ 420.608038][ T9757] EXT4-fs: quotafile must be on filesystem root [pid 9758] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9758] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9758] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9759 attached => {parent_tid=[9759]}, 88) = 9759 [pid 9758] rt_sigprocmask(SIG_SETMASK, [] [pid 9759] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9758] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9759] set_robust_list(0x7f0c2cd339a0, 24 [pid 9758] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9758] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9759] <... set_robust_list resumed>) = 0 [pid 9759] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9759] memfd_create("syzkaller", 0) = 3 [pid 9759] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9759] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9759] munmap(0x7f0c24913000, 138412032) = 0 [pid 9759] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9759] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9759] close(3) = 0 [pid 9759] close(4) = 0 [pid 9759] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9759] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9759] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9759] ioctl(3, LOOP_CLR_FD) = 0 [pid 9759] close(3) = 0 [pid 9759] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9758] <... futex resumed>) = 0 [pid 9759] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9758] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9758] <... futex resumed>) = 0 [pid 9759] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9758] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9759] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9759] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9758] <... futex resumed>) = 0 [pid 9758] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9758] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9759] <... futex resumed>) = 1 [pid 9759] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9759] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9759] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9758] <... futex resumed>) = 0 [pid 9759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9758] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9759] pwrite64(3, "\x02\x00", 2, 4 [pid 9758] <... futex resumed>) = 0 [pid 9759] <... pwrite64 resumed>) = 2 [pid 9758] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9759] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9758] <... futex resumed>) = 0 [pid 9759] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9758] exit_group(0 [pid 9759] <... futex resumed>) = ? [pid 9759] +++ exited with 0 +++ [pid 9758] <... exit_group resumed>) = ? [pid 9758] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9758, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 420.718491][ T9759] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9760 attached , child_tidptr=0x555585adc6d0) = 9760 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9760] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9760] <... set_robust_list resumed>) = 0 [pid 9760] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9760] setpgid(0, 0) = 0 [pid 9760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9760] write(3, "1000", 4) = 4 [pid 9760] close(3) = 0 [pid 9760] write(1, "executing program\n", 18) = 18 executing program [pid 9760] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9760] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9760] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9760] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9760] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9760] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9761]}, 88) = 9761 ci2-upstream-fs/strace-static-x86_64: Process 9761 attached [pid 9760] rt_sigprocmask(SIG_SETMASK, [] [pid 9761] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9760] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9761] <... rseq resumed>) = 0 [pid 9760] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9761] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9760] <... futex resumed>) = 0 [pid 9761] rt_sigprocmask(SIG_SETMASK, [] [pid 9760] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9761] memfd_create("syzkaller", 0) = 3 [pid 9761] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9761] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9761] munmap(0x7f0c24913000, 138412032) = 0 [pid 9761] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9761] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9761] close(3) = 0 [pid 9761] close(4) = 0 [pid 9761] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9761] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9761] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9761] ioctl(3, LOOP_CLR_FD) = 0 [pid 9761] close(3) = 0 [pid 9761] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9760] <... futex resumed>) = 0 [pid 9760] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9761] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9760] <... futex resumed>) = 0 [pid 9760] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9761] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9761] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9760] <... futex resumed>) = 0 [pid 9760] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9761] <... futex resumed>) = 1 [pid 9760] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9761] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9761] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9760] <... futex resumed>) = 0 [pid 9761] pwrite64(3, "\x02\x00", 2, 4 [pid 9760] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9761] <... pwrite64 resumed>) = 2 [pid 9760] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9761] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9761] <... futex resumed>) = 0 [pid 9760] exit_group(0 [pid 9761] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9760] <... exit_group resumed>) = ? [pid 9761] +++ exited with 0 +++ [pid 9760] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9760, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 [ 420.844506][ T9761] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9762 attached , child_tidptr=0x555585adc6d0) = 9762 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9762] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9762] <... set_robust_list resumed>) = 0 [pid 9762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9762] setpgid(0, 0) = 0 [pid 9762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9762] write(3, "1000", 4) = 4 [pid 9762] close(3) = 0 executing program [pid 9762] write(1, "executing program\n", 18) = 18 [pid 9762] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9762] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9762] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9762] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9762] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9763 attached [pid 9763] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9762] <... clone3 resumed> => {parent_tid=[9763]}, 88) = 9763 [pid 9763] set_robust_list(0x7f0c2cd339a0, 24 [pid 9762] rt_sigprocmask(SIG_SETMASK, [] [pid 9763] <... set_robust_list resumed>) = 0 [pid 9762] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9763] rt_sigprocmask(SIG_SETMASK, [] [pid 9762] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9763] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9762] <... futex resumed>) = 0 [pid 9763] memfd_create("syzkaller", 0 [pid 9762] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9763] <... memfd_create resumed>) = 3 [pid 9763] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9763] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9763] munmap(0x7f0c24913000, 138412032) = 0 [pid 9763] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9763] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9763] close(3) = 0 [pid 9763] close(4) = 0 [pid 9763] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9763] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9763] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9763] ioctl(3, LOOP_CLR_FD) = 0 [pid 9763] close(3) = 0 [pid 9763] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9762] <... futex resumed>) = 0 [pid 9762] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9763] <... futex resumed>) = 1 [pid 9762] <... futex resumed>) = 0 [pid 9763] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9762] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9763] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9763] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9762] <... futex resumed>) = 0 [pid 9762] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9763] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9762] <... futex resumed>) = 0 [pid 9762] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9763] <... openat resumed>) = 3 [pid 9763] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9762] <... futex resumed>) = 0 [pid 9763] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9762] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9762] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9763] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9763] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9762] <... futex resumed>) = 0 [pid 9762] exit_group(0 [pid 9763] +++ exited with 0 +++ [pid 9762] <... exit_group resumed>) = ? [pid 9762] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9762, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9764 attached , child_tidptr=0x555585adc6d0) = 9764 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9764] set_robust_list(0x555585adc6e0, 24) = 0 [ 420.954084][ T9763] EXT4-fs: quotafile must be on filesystem root [pid 9764] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9764] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9764] setpgid(0, 0) = 0 [pid 9764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9764] write(3, "1000", 4) = 4 [pid 9764] close(3) = 0 executing program [pid 9764] write(1, "executing program\n", 18) = 18 [pid 9764] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9764] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9764] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9764] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9764] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9764] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9765 attached [pid 9765] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9764] <... clone3 resumed> => {parent_tid=[9765]}, 88) = 9765 [pid 9764] rt_sigprocmask(SIG_SETMASK, [] [pid 9765] set_robust_list(0x7f0c2cd339a0, 24 [pid 9764] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9765] <... set_robust_list resumed>) = 0 [pid 9765] rt_sigprocmask(SIG_SETMASK, [] [pid 9764] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9765] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9764] <... futex resumed>) = 0 [pid 9765] memfd_create("syzkaller", 0 [pid 9764] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9765] <... memfd_create resumed>) = 3 [pid 9765] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9765] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9765] munmap(0x7f0c24913000, 138412032) = 0 [pid 9765] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9765] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9765] close(3) = 0 [pid 9765] close(4) = 0 [pid 9765] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9765] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9765] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9765] ioctl(3, LOOP_CLR_FD) = 0 [pid 9765] close(3) = 0 [pid 9765] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9765] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9764] <... futex resumed>) = 0 [pid 9764] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9765] <... futex resumed>) = 0 [pid 9764] <... futex resumed>) = 1 [pid 9765] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9764] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9765] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9765] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9764] <... futex resumed>) = 0 [pid 9765] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9764] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9765] <... openat resumed>) = 3 [pid 9764] <... futex resumed>) = 0 [pid 9765] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9764] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9765] <... futex resumed>) = 0 [pid 9764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9765] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9764] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9765] <... futex resumed>) = 0 [pid 9764] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9765] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9765] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9764] <... futex resumed>) = 0 [ 421.061374][ T9765] EXT4-fs: quotafile must be on filesystem root [pid 9765] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9764] exit_group(0 [pid 9765] <... futex resumed>) = ? [pid 9764] <... exit_group resumed>) = ? [pid 9765] +++ exited with 0 +++ [pid 9764] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9764, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9766 attached , child_tidptr=0x555585adc6d0) = 9766 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9766] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9766] <... set_robust_list resumed>) = 0 [pid 9766] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9766] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9766] setpgid(0, 0) = 0 [pid 9766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9766] write(3, "1000", 4) = 4 [pid 9766] close(3) = 0 executing program [pid 9766] write(1, "executing program\n", 18) = 18 [pid 9766] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9766] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9766] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9766] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9766] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9766] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9767 attached [pid 9767] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9767] set_robust_list(0x7f0c2cd339a0, 24 [pid 9766] <... clone3 resumed> => {parent_tid=[9767]}, 88) = 9767 [pid 9767] <... set_robust_list resumed>) = 0 [pid 9766] rt_sigprocmask(SIG_SETMASK, [] [pid 9767] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9766] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9767] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9766] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9766] <... futex resumed>) = 0 [pid 9767] memfd_create("syzkaller", 0) = 3 [pid 9766] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9767] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9767] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9767] munmap(0x7f0c24913000, 138412032) = 0 [pid 9767] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9767] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9767] close(3) = 0 [pid 9767] close(4) = 0 [pid 9767] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9767] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9767] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9767] ioctl(3, LOOP_CLR_FD) = 0 [pid 9767] close(3) = 0 [pid 9767] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9766] <... futex resumed>) = 0 [pid 9766] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9766] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9767] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9767] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9766] <... futex resumed>) = 0 [pid 9767] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9766] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9766] <... futex resumed>) = 0 [pid 9766] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9767] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9767] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9766] <... futex resumed>) = 0 [pid 9767] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9766] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9767] <... futex resumed>) = 0 [pid 9766] <... futex resumed>) = 1 [pid 9767] pwrite64(3, "\x02\x00", 2, 4 [pid 9766] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9767] <... pwrite64 resumed>) = 2 [pid 9767] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9766] <... futex resumed>) = 0 [pid 9767] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9766] exit_group(0) = ? [pid 9767] <... futex resumed>) = ? [pid 9767] +++ exited with 0 +++ [pid 9766] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9766, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9768 attached , child_tidptr=0x555585adc6d0) = 9768 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9768] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9768] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 421.219450][ T9767] EXT4-fs: quotafile must be on filesystem root [pid 9768] setpgid(0, 0) = 0 [pid 9768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9768] write(3, "1000", 4) = 4 [pid 9768] close(3) = 0 [pid 9768] write(1, "executing program\n", 18) = 18 [pid 9768] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9768] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9768] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9768] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9768] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9769 attached [pid 9769] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9768] <... clone3 resumed> => {parent_tid=[9769]}, 88) = 9769 [pid 9769] set_robust_list(0x7f0c2cd339a0, 24 [pid 9768] rt_sigprocmask(SIG_SETMASK, [] [pid 9769] <... set_robust_list resumed>) = 0 [pid 9768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9769] rt_sigprocmask(SIG_SETMASK, [] [pid 9768] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9769] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9769] memfd_create("syzkaller", 0 [pid 9768] <... futex resumed>) = 0 [pid 9769] <... memfd_create resumed>) = 3 [pid 9768] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9769] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9769] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9769] munmap(0x7f0c24913000, 138412032) = 0 [pid 9769] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9769] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9769] close(3) = 0 [pid 9769] close(4) = 0 [pid 9769] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9769] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9769] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9769] ioctl(3, LOOP_CLR_FD) = 0 [pid 9769] close(3) = 0 [pid 9769] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9768] <... futex resumed>) = 0 [pid 9769] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9768] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9768] <... futex resumed>) = 0 [pid 9769] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9768] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9769] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9769] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9768] <... futex resumed>) = 0 [pid 9769] <... futex resumed>) = 1 [pid 9768] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9769] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9768] <... futex resumed>) = 0 [pid 9769] <... openat resumed>) = 3 [pid 9768] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9769] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9768] <... futex resumed>) = 0 [pid 9769] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9768] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9768] <... futex resumed>) = 0 [pid 9769] pwrite64(3, "\x02\x00", 2, 4 [pid 9768] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9769] <... pwrite64 resumed>) = 2 [pid 9769] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9768] <... futex resumed>) = 0 [pid 9769] <... futex resumed>) = 1 [pid 9768] exit_group(0 [pid 9769] ???( [pid 9768] <... exit_group resumed>) = ? [pid 9769] <... ??? resumed>) = ? [pid 9769] +++ exited with 0 +++ [pid 9768] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9768, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 421.317304][ T9769] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9770 attached , child_tidptr=0x555585adc6d0) = 9770 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9770] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9770] <... set_robust_list resumed>) = 0 [pid 9770] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9770] setpgid(0, 0) = 0 [pid 9770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9770] write(3, "1000", 4) = 4 [pid 9770] close(3) = 0 [pid 9770] write(1, "executing program\n", 18) = 18 [pid 9770] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9770] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9770] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9770] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9770] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9770] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9771 attached => {parent_tid=[9771]}, 88) = 9771 [pid 9771] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9770] rt_sigprocmask(SIG_SETMASK, [] [pid 9771] <... rseq resumed>) = 0 [pid 9770] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9771] set_robust_list(0x7f0c2cd339a0, 24 [pid 9770] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9771] <... set_robust_list resumed>) = 0 [pid 9770] <... futex resumed>) = 0 [pid 9771] rt_sigprocmask(SIG_SETMASK, [] [pid 9770] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9771] memfd_create("syzkaller", 0) = 3 [pid 9771] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9771] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9771] munmap(0x7f0c24913000, 138412032) = 0 [pid 9771] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9771] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9771] close(3) = 0 [pid 9771] close(4) = 0 [pid 9771] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9771] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9771] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9771] ioctl(3, LOOP_CLR_FD) = 0 [pid 9771] close(3) = 0 [pid 9771] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9770] <... futex resumed>) = 0 [pid 9771] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9770] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9771] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9770] <... futex resumed>) = 0 [pid 9771] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9770] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9771] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9770] <... futex resumed>) = 0 [pid 9771] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9770] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9770] <... futex resumed>) = 0 [pid 9771] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9770] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9771] <... openat resumed>) = 3 [pid 9771] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9771] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9770] <... futex resumed>) = 0 [pid 9770] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9771] pwrite64(3, "\x02\x00", 2, 4 [pid 9770] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9771] <... pwrite64 resumed>) = 2 [pid 9771] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9770] <... futex resumed>) = 0 [pid 9771] <... futex resumed>) = 1 [pid 9770] exit_group(0 [pid 9771] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9770] <... exit_group resumed>) = ? [pid 9771] +++ exited with 0 +++ [pid 9770] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9770, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9772 ci2-upstream-fs/strace-static-x86_64: Process 9772 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9772] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9772] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9772] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9772] setpgid(0, 0) = 0 [pid 9772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9772] write(3, "1000", 4) = 4 [ 421.433629][ T9771] EXT4-fs: quotafile must be on filesystem root [pid 9772] close(3) = 0 [pid 9772] write(1, "executing program\n", 18) = 18 executing program [pid 9772] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9772] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9772] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9772] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9772] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9772] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9773 attached [pid 9773] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9772] <... clone3 resumed> => {parent_tid=[9773]}, 88) = 9773 [pid 9773] set_robust_list(0x7f0c2cd339a0, 24 [pid 9772] rt_sigprocmask(SIG_SETMASK, [] [pid 9773] <... set_robust_list resumed>) = 0 [pid 9772] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9773] rt_sigprocmask(SIG_SETMASK, [] [pid 9772] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9773] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9772] <... futex resumed>) = 0 [pid 9773] memfd_create("syzkaller", 0 [pid 9772] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9773] <... memfd_create resumed>) = 3 [pid 9773] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9773] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9773] munmap(0x7f0c24913000, 138412032) = 0 [pid 9773] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9773] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9773] close(3) = 0 [pid 9773] close(4) = 0 [pid 9773] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9773] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9773] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9773] ioctl(3, LOOP_CLR_FD) = 0 [pid 9773] close(3) = 0 [pid 9773] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9772] <... futex resumed>) = 0 [pid 9773] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9772] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9773] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9772] <... futex resumed>) = 0 [pid 9773] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9772] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9773] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9773] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9772] <... futex resumed>) = 0 [pid 9773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9772] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9773] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9772] <... futex resumed>) = 0 [pid 9773] <... openat resumed>) = 3 [pid 9772] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9773] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9772] <... futex resumed>) = 0 [pid 9772] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9773] pwrite64(3, "\x02\x00", 2, 4 [pid 9772] <... futex resumed>) = 0 [pid 9773] <... pwrite64 resumed>) = 2 [pid 9772] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9773] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9772] <... futex resumed>) = 0 [pid 9772] exit_group(0) = ? [pid 9773] +++ exited with 0 +++ [pid 9772] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9772, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9774 attached , child_tidptr=0x555585adc6d0) = 9774 [pid 9774] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9774] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9774] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9774] setpgid(0, 0) = 0 [pid 9774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9774] write(3, "1000", 4) = 4 [ 421.523891][ T9773] EXT4-fs: quotafile must be on filesystem root [pid 9774] close(3) = 0 executing program [pid 9774] write(1, "executing program\n", 18) = 18 [pid 9774] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9774] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9774] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9774] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9774] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9775 attached => {parent_tid=[9775]}, 88) = 9775 [pid 9774] rt_sigprocmask(SIG_SETMASK, [] [pid 9775] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9774] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9774] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9775] <... rseq resumed>) = 0 [pid 9774] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9775] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9775] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9775] memfd_create("syzkaller", 0) = 3 [pid 9775] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9775] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9775] munmap(0x7f0c24913000, 138412032) = 0 [pid 9775] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9775] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9775] close(3) = 0 [pid 9775] close(4) = 0 [pid 9775] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9775] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9775] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9775] ioctl(3, LOOP_CLR_FD) = 0 [pid 9775] close(3) = 0 [pid 9775] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9775] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9774] <... futex resumed>) = 0 [pid 9774] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9774] <... futex resumed>) = 0 [pid 9775] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9774] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9775] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9775] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9774] <... futex resumed>) = 0 [pid 9774] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9775] <... futex resumed>) = 1 [pid 9774] <... futex resumed>) = 0 [pid 9775] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9774] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9775] <... openat resumed>) = 3 [pid 9775] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9774] <... futex resumed>) = 0 [pid 9775] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9774] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9774] <... futex resumed>) = 0 [pid 9775] pwrite64(3, "\x02\x00", 2, 4 [pid 9774] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9775] <... pwrite64 resumed>) = 2 [pid 9775] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9774] <... futex resumed>) = 0 [pid 9774] exit_group(0) = ? [pid 9775] +++ exited with 0 +++ [pid 9774] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9774, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 421.643306][ T9775] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9776 attached , child_tidptr=0x555585adc6d0) = 9776 [pid 9776] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9776] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9776] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9776] setpgid(0, 0) = 0 [pid 9776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9776] write(3, "1000", 4) = 4 [pid 9776] close(3) = 0 [pid 9776] write(1, "executing program\n", 18) = 18 executing program [pid 9776] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9776] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9776] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9776] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9777]}, 88) = 9777 ci2-upstream-fs/strace-static-x86_64: Process 9777 attached [pid 9776] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9776] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9776] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9777] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9777] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9777] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9777] memfd_create("syzkaller", 0) = 3 [pid 9777] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9777] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9777] munmap(0x7f0c24913000, 138412032) = 0 [pid 9777] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9777] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9777] close(3) = 0 [pid 9777] close(4) = 0 [pid 9777] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9777] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9777] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9777] ioctl(3, LOOP_CLR_FD) = 0 [pid 9777] close(3) = 0 [pid 9777] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9776] <... futex resumed>) = 0 [pid 9777] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9776] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9777] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9776] <... futex resumed>) = 0 [pid 9777] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9776] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9777] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9776] <... futex resumed>) = 0 [pid 9776] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9777] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9776] <... futex resumed>) = 0 [pid 9777] <... openat resumed>) = 3 [pid 9776] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9777] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9776] <... futex resumed>) = 0 [pid 9776] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9777] pwrite64(3, "\x02\x00", 2, 4 [pid 9776] <... futex resumed>) = 0 [pid 9777] <... pwrite64 resumed>) = 2 [pid 9776] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9777] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9777] <... futex resumed>) = 0 [pid 9776] exit_group(0 [pid 9777] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9776] <... exit_group resumed>) = ? [pid 9777] +++ exited with 0 +++ [pid 9776] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9776, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9778 attached [ 421.757312][ T9777] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9778 [pid 9778] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9778] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9778] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9778] setpgid(0, 0) = 0 [pid 9778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9778] write(3, "1000", 4) = 4 [pid 9778] close(3) = 0 [pid 9778] write(1, "executing program\n", 18) = 18 executing program [pid 9778] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9778] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9778] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9778] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9778] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9779 attached [pid 9779] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9778] <... clone3 resumed> => {parent_tid=[9779]}, 88) = 9779 [pid 9779] <... rseq resumed>) = 0 [pid 9778] rt_sigprocmask(SIG_SETMASK, [] [pid 9779] set_robust_list(0x7f0c2cd339a0, 24 [pid 9778] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9779] <... set_robust_list resumed>) = 0 [pid 9778] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9779] rt_sigprocmask(SIG_SETMASK, [] [pid 9778] <... futex resumed>) = 0 [pid 9779] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9778] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9779] memfd_create("syzkaller", 0) = 3 [pid 9779] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9779] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9779] munmap(0x7f0c24913000, 138412032) = 0 [pid 9779] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9779] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9779] close(3) = 0 [pid 9779] close(4) = 0 [pid 9779] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9779] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9779] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9779] ioctl(3, LOOP_CLR_FD) = 0 [pid 9779] close(3) = 0 [pid 9779] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9778] <... futex resumed>) = 0 [pid 9779] <... futex resumed>) = 1 [pid 9778] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9779] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9778] <... futex resumed>) = 0 [pid 9778] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9779] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9778] <... futex resumed>) = 0 [pid 9779] <... futex resumed>) = 1 [pid 9778] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9779] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9778] <... futex resumed>) = 0 [pid 9778] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9779] <... openat resumed>) = 3 [pid 9779] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9778] <... futex resumed>) = 0 [pid 9779] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9778] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9778] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9779] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9779] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9778] <... futex resumed>) = 0 [pid 9779] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9778] exit_group(0) = ? [pid 9779] <... futex resumed>) = ? [pid 9779] +++ exited with 0 +++ [pid 9778] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9778, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 421.880694][ T9779] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9780 attached [pid 9780] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9780 [pid 9780] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9780] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9780] setpgid(0, 0) = 0 [pid 9780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9780] write(3, "1000", 4) = 4 [pid 9780] close(3) = 0 [pid 9780] write(1, "executing program\n", 18) = 18 executing program [pid 9780] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9780] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9780] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9780] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9780] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9780] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9781 attached [pid 9781] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9780] <... clone3 resumed> => {parent_tid=[9781]}, 88) = 9781 [pid 9781] <... rseq resumed>) = 0 [pid 9781] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9781] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9781] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9780] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9780] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9781] <... futex resumed>) = 0 [pid 9780] <... futex resumed>) = 1 [pid 9781] memfd_create("syzkaller", 0 [pid 9780] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9781] <... memfd_create resumed>) = 3 [pid 9781] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9781] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9781] munmap(0x7f0c24913000, 138412032) = 0 [pid 9781] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9781] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9781] close(3) = 0 [pid 9781] close(4) = 0 [pid 9781] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9781] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9781] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9781] ioctl(3, LOOP_CLR_FD) = 0 [pid 9781] close(3) = 0 [pid 9781] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9780] <... futex resumed>) = 0 [pid 9781] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9780] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9780] <... futex resumed>) = 0 [pid 9781] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9780] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9781] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9780] <... futex resumed>) = 0 [pid 9781] <... futex resumed>) = 1 [pid 9780] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9781] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9780] <... futex resumed>) = 0 [pid 9780] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9781] <... openat resumed>) = 3 [pid 9781] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9780] <... futex resumed>) = 0 [pid 9781] pwrite64(3, "\x02\x00", 2, 4 [pid 9780] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9781] <... pwrite64 resumed>) = 2 [pid 9780] <... futex resumed>) = 0 [pid 9781] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9780] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9781] <... futex resumed>) = 0 [pid 9781] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9780] exit_group(0 [pid 9781] <... futex resumed>) = ? [pid 9780] <... exit_group resumed>) = ? [pid 9781] +++ exited with 0 +++ [ 421.997608][ T9781] EXT4-fs: quotafile must be on filesystem root [pid 9780] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9780, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9782 attached [pid 9782] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9782 [pid 9782] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9782] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9782] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9782] setpgid(0, 0) = 0 [pid 9782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9782] write(3, "1000", 4) = 4 [pid 9782] close(3) = 0 executing program [pid 9782] write(1, "executing program\n", 18) = 18 [pid 9782] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9782] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9782] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9782] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9782] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9783 attached [pid 9783] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9782] <... clone3 resumed> => {parent_tid=[9783]}, 88) = 9783 [pid 9783] <... rseq resumed>) = 0 [pid 9783] set_robust_list(0x7f0c2cd339a0, 24 [pid 9782] rt_sigprocmask(SIG_SETMASK, [] [pid 9783] <... set_robust_list resumed>) = 0 [pid 9782] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9783] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9782] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9783] memfd_create("syzkaller", 0 [pid 9782] <... futex resumed>) = 0 [pid 9782] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9783] <... memfd_create resumed>) = 3 [pid 9783] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9783] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9783] munmap(0x7f0c24913000, 138412032) = 0 [pid 9783] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9783] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9783] close(3) = 0 [pid 9783] close(4) = 0 [pid 9783] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9783] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9783] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9783] ioctl(3, LOOP_CLR_FD) = 0 [pid 9783] close(3) = 0 [pid 9783] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9782] <... futex resumed>) = 0 [pid 9783] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9782] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9783] <... futex resumed>) = 0 [pid 9782] <... futex resumed>) = 1 [pid 9783] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9782] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9783] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9783] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9782] <... futex resumed>) = 0 [pid 9783] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9782] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9782] <... futex resumed>) = 0 [pid 9782] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9783] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9783] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9782] <... futex resumed>) = 0 [pid 9783] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9782] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9783] <... futex resumed>) = 0 [pid 9782] <... futex resumed>) = 1 [pid 9783] pwrite64(3, "\x02\x00", 2, 4 [pid 9782] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9783] <... pwrite64 resumed>) = 2 [pid 9783] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9782] <... futex resumed>) = 0 [pid 9783] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9782] exit_group(0 [pid 9783] <... futex resumed>) = ? [pid 9782] <... exit_group resumed>) = ? [pid 9783] +++ exited with 0 +++ [pid 9782] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9782, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 422.157015][ T9783] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9784 attached , child_tidptr=0x555585adc6d0) = 9784 [pid 9784] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9784] <... set_robust_list resumed>) = 0 [pid 9784] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9784] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9784] setpgid(0, 0) = 0 [pid 9784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9784] write(3, "1000", 4) = 4 [pid 9784] close(3) = 0 [pid 9784] write(1, "executing program\n", 18) = 18 [pid 9784] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9784] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9784] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9784] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9784] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9784] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9784] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9785 attached => {parent_tid=[9785]}, 88) = 9785 [pid 9784] rt_sigprocmask(SIG_SETMASK, [] [pid 9785] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9784] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9785] set_robust_list(0x7f0c2cd339a0, 24 [pid 9784] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9785] <... set_robust_list resumed>) = 0 [pid 9784] <... futex resumed>) = 0 [pid 9785] rt_sigprocmask(SIG_SETMASK, [] [pid 9784] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9785] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9785] memfd_create("syzkaller", 0) = 3 [pid 9785] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9785] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9785] munmap(0x7f0c24913000, 138412032) = 0 [pid 9785] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9785] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9785] close(3) = 0 [pid 9785] close(4) = 0 [pid 9785] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9785] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9785] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9785] ioctl(3, LOOP_CLR_FD) = 0 [pid 9785] close(3) = 0 [pid 9785] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9784] <... futex resumed>) = 0 [pid 9784] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9785] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9784] <... futex resumed>) = 0 [pid 9784] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9785] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9785] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9784] <... futex resumed>) = 0 [pid 9784] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9785] <... futex resumed>) = 1 [pid 9784] <... futex resumed>) = 0 [pid 9785] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9784] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9785] <... openat resumed>) = 3 [pid 9785] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9784] <... futex resumed>) = 0 [pid 9784] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9785] pwrite64(3, "\x02\x00", 2, 4 [pid 9784] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9785] <... pwrite64 resumed>) = 2 [pid 9785] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9784] <... futex resumed>) = 0 [pid 9785] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9784] exit_group(0) = ? [pid 9785] <... futex resumed>) = ? [pid 9785] +++ exited with 0 +++ [pid 9784] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9784, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 422.273758][ T9785] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9786 attached , child_tidptr=0x555585adc6d0) = 9786 [pid 9786] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9786] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9786] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9786] setpgid(0, 0) = 0 [pid 9786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9786] write(3, "1000", 4) = 4 [pid 9786] close(3) = 0 [pid 9786] write(1, "executing program\n", 18) = 18 executing program [pid 9786] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9786] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9786] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9786] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9786] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9787 attached [pid 9787] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9786] <... clone3 resumed> => {parent_tid=[9787]}, 88) = 9787 [pid 9787] <... rseq resumed>) = 0 [pid 9787] set_robust_list(0x7f0c2cd339a0, 24 [pid 9786] rt_sigprocmask(SIG_SETMASK, [] [pid 9787] <... set_robust_list resumed>) = 0 [pid 9786] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9787] rt_sigprocmask(SIG_SETMASK, [] [pid 9786] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9787] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9786] <... futex resumed>) = 0 [pid 9787] memfd_create("syzkaller", 0 [pid 9786] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9787] <... memfd_create resumed>) = 3 [pid 9787] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9787] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9787] munmap(0x7f0c24913000, 138412032) = 0 [pid 9787] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9787] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9787] close(3) = 0 [pid 9787] close(4) = 0 [pid 9787] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9787] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9787] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9787] ioctl(3, LOOP_CLR_FD) = 0 [pid 9787] close(3) = 0 [pid 9787] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9786] <... futex resumed>) = 0 [pid 9787] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9786] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9786] <... futex resumed>) = 0 [pid 9787] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9786] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9787] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9787] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9786] <... futex resumed>) = 0 [pid 9787] <... futex resumed>) = 1 [pid 9786] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9787] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9786] <... futex resumed>) = 0 [pid 9787] <... openat resumed>) = 3 [pid 9786] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9787] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9786] <... futex resumed>) = 0 [pid 9786] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9787] <... futex resumed>) = 1 [pid 9786] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9787] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9787] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9786] <... futex resumed>) = 0 [pid 9786] exit_group(0) = ? [pid 9787] <... futex resumed>) = ? [pid 9787] +++ exited with 0 +++ [pid 9786] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9786, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 422.393965][ T9787] EXT4-fs: quotafile must be on filesystem root ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9788 attached , child_tidptr=0x555585adc6d0) = 9788 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9788] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9788] <... set_robust_list resumed>) = 0 [pid 9788] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9788] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9788] setpgid(0, 0) = 0 [pid 9788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9788] write(3, "1000", 4) = 4 [pid 9788] close(3) = 0 [pid 9788] write(1, "executing program\n", 18) = 18 executing program [pid 9788] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9788] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9788] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9788] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9788] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9788] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9789 attached [pid 9789] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9788] <... clone3 resumed> => {parent_tid=[9789]}, 88) = 9789 [pid 9789] set_robust_list(0x7f0c2cd339a0, 24 [pid 9788] rt_sigprocmask(SIG_SETMASK, [] [pid 9789] <... set_robust_list resumed>) = 0 [pid 9788] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9788] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9789] memfd_create("syzkaller", 0 [pid 9788] <... futex resumed>) = 0 [pid 9788] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9789] <... memfd_create resumed>) = 3 [pid 9789] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9789] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9789] munmap(0x7f0c24913000, 138412032) = 0 [pid 9789] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9789] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9789] close(3) = 0 [pid 9789] close(4) = 0 [pid 9789] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9789] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9789] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9789] ioctl(3, LOOP_CLR_FD) = 0 [pid 9789] close(3) = 0 [pid 9789] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9788] <... futex resumed>) = 0 [pid 9789] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9788] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9788] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9789] <... futex resumed>) = 0 [pid 9789] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9789] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9788] <... futex resumed>) = 0 [pid 9789] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9788] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9789] <... futex resumed>) = 0 [pid 9788] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9789] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9789] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9788] <... futex resumed>) = 0 [pid 9789] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9788] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9788] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9789] <... futex resumed>) = 0 [pid 9789] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9789] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9788] <... futex resumed>) = 0 [pid 9789] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9788] exit_group(0) = ? [pid 9789] <... futex resumed>) = ? [pid 9789] +++ exited with 0 +++ [pid 9788] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9788, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9790 attached [ 422.533340][ T9789] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9790 [pid 9790] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9790] <... set_robust_list resumed>) = 0 [pid 9790] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9790] setpgid(0, 0) = 0 [pid 9790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9790] write(3, "1000", 4) = 4 [pid 9790] close(3) = 0 [pid 9790] write(1, "executing program\n", 18) = 18 executing program [pid 9790] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9790] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9790] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9790] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9790] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9790] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9791 attached [pid 9791] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9790] <... clone3 resumed> => {parent_tid=[9791]}, 88) = 9791 [pid 9791] <... rseq resumed>) = 0 [pid 9791] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9790] rt_sigprocmask(SIG_SETMASK, [] [pid 9791] rt_sigprocmask(SIG_SETMASK, [] [pid 9790] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9791] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9790] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9791] memfd_create("syzkaller", 0 [pid 9790] <... futex resumed>) = 0 [pid 9791] <... memfd_create resumed>) = 3 [pid 9790] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9791] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9791] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9791] munmap(0x7f0c24913000, 138412032) = 0 [pid 9791] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9791] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9791] close(3) = 0 [pid 9791] close(4) = 0 [pid 9791] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9791] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9791] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9791] ioctl(3, LOOP_CLR_FD) = 0 [pid 9791] close(3) = 0 [pid 9791] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9791] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9790] <... futex resumed>) = 0 [pid 9790] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9791] <... futex resumed>) = 0 [pid 9790] <... futex resumed>) = 1 [pid 9791] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9790] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9791] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9791] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9790] <... futex resumed>) = 0 [pid 9791] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9790] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9790] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9791] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9791] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9790] <... futex resumed>) = 0 [pid 9790] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9791] pwrite64(3, "\x02\x00", 2, 4 [pid 9790] <... futex resumed>) = 0 [pid 9791] <... pwrite64 resumed>) = 2 [pid 9790] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9791] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9790] <... futex resumed>) = 0 [pid 9791] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9790] exit_group(0) = ? [ 422.677460][ T9791] EXT4-fs: quotafile must be on filesystem root [pid 9791] <... futex resumed>) = ? [pid 9791] +++ exited with 0 +++ [pid 9790] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9790, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9792 attached [pid 9792] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9792 [pid 9792] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9792] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9792] setpgid(0, 0) = 0 [pid 9792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9792] write(3, "1000", 4) = 4 [pid 9792] close(3) = 0 [pid 9792] write(1, "executing program\n", 18) = 18 executing program [pid 9792] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9792] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9792] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9792] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9792] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9793 attached [pid 9793] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9792] <... clone3 resumed> => {parent_tid=[9793]}, 88) = 9793 [pid 9793] <... rseq resumed>) = 0 [pid 9792] rt_sigprocmask(SIG_SETMASK, [] [pid 9793] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9792] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9793] rt_sigprocmask(SIG_SETMASK, [] [pid 9792] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9793] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9792] <... futex resumed>) = 0 [pid 9792] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9793] memfd_create("syzkaller", 0) = 3 [pid 9793] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9793] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9793] munmap(0x7f0c24913000, 138412032) = 0 [pid 9793] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9793] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9793] close(3) = 0 [pid 9793] close(4) = 0 [pid 9793] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9793] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9793] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9793] ioctl(3, LOOP_CLR_FD) = 0 [pid 9793] close(3) = 0 [pid 9793] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9792] <... futex resumed>) = 0 [pid 9792] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9793] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9792] <... futex resumed>) = 0 [pid 9792] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9793] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9793] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9792] <... futex resumed>) = 0 [pid 9793] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9792] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9792] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9793] <... futex resumed>) = 0 [pid 9793] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9793] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9793] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9792] <... futex resumed>) = 0 [pid 9792] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9793] <... futex resumed>) = 0 [pid 9792] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9793] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9793] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9792] <... futex resumed>) = 0 [pid 9793] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9792] exit_group(0) = ? [pid 9793] <... futex resumed>) = ? [pid 9793] +++ exited with 0 +++ [pid 9792] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9792, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [ 422.835879][ T9793] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9794 attached , child_tidptr=0x555585adc6d0) = 9794 [pid 9794] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9794] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9794] setpgid(0, 0) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9794] write(3, "1000", 4) = 4 [pid 9794] close(3) = 0 executing program [pid 9794] write(1, "executing program\n", 18) = 18 [pid 9794] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9794] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9794] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9794] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9795 attached => {parent_tid=[9795]}, 88) = 9795 [pid 9795] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9794] rt_sigprocmask(SIG_SETMASK, [] [pid 9795] <... rseq resumed>) = 0 [pid 9795] set_robust_list(0x7f0c2cd339a0, 24 [pid 9794] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9794] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9795] <... set_robust_list resumed>) = 0 [pid 9794] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9795] memfd_create("syzkaller", 0) = 3 [pid 9795] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9795] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9795] munmap(0x7f0c24913000, 138412032) = 0 [pid 9795] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9795] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9795] close(3) = 0 [pid 9795] close(4) = 0 [pid 9795] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9795] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9795] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9795] ioctl(3, LOOP_CLR_FD) = 0 [pid 9795] close(3) = 0 [pid 9795] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9794] <... futex resumed>) = 0 [pid 9795] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9794] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9795] <... futex resumed>) = 0 [pid 9794] <... futex resumed>) = 1 [pid 9795] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9794] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9795] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9795] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9794] <... futex resumed>) = 0 [pid 9794] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9794] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9795] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9795] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9794] <... futex resumed>) = 0 [pid 9795] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9794] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9795] <... futex resumed>) = 0 [pid 9794] <... futex resumed>) = 1 [pid 9795] pwrite64(3, "\x02\x00", 2, 4 [pid 9794] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9795] <... pwrite64 resumed>) = 2 [pid 9795] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9794] <... futex resumed>) = 0 [pid 9795] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9794] exit_group(0) = ? [pid 9795] <... futex resumed>) = ? [pid 9795] +++ exited with 0 +++ [pid 9794] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9794, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9796 attached , child_tidptr=0x555585adc6d0) = 9796 [pid 9796] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9796] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9796] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9796] setpgid(0, 0) = 0 [pid 9796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9796] write(3, "1000", 4) = 4 [pid 9796] close(3) = 0 executing program [pid 9796] write(1, "executing program\n", 18) = 18 [pid 9796] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9796] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [ 422.999956][ T9795] EXT4-fs: quotafile must be on filesystem root [pid 9796] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9796] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9796] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9796] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9796] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9797 attached [pid 9797] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9796] <... clone3 resumed> => {parent_tid=[9797]}, 88) = 9797 [pid 9797] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9796] rt_sigprocmask(SIG_SETMASK, [] [pid 9797] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9796] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9797] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9796] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9797] <... futex resumed>) = 0 [pid 9796] <... futex resumed>) = 1 [pid 9797] memfd_create("syzkaller", 0 [pid 9796] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9797] <... memfd_create resumed>) = 3 [pid 9797] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9797] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9797] munmap(0x7f0c24913000, 138412032) = 0 [pid 9797] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9797] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9797] close(3) = 0 [pid 9797] close(4) = 0 [pid 9797] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9797] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9797] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9797] ioctl(3, LOOP_CLR_FD) = 0 [pid 9797] close(3) = 0 [pid 9797] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9796] <... futex resumed>) = 0 [pid 9797] <... futex resumed>) = 1 [pid 9796] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9797] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9796] <... futex resumed>) = 0 [pid 9796] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9797] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9797] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9797] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9796] <... futex resumed>) = 0 [pid 9796] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9797] <... futex resumed>) = 0 [pid 9796] <... futex resumed>) = 1 [pid 9797] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9796] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9797] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9796] <... futex resumed>) = 0 [pid 9797] pwrite64(3, "\x02\x00", 2, 4 [pid 9796] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9797] <... pwrite64 resumed>) = 2 [pid 9796] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9797] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9796] <... futex resumed>) = 0 [pid 9797] <... futex resumed>) = 1 [pid 9796] exit_group(0) = ? [pid 9797] +++ exited with 0 +++ [pid 9796] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9796, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9798 attached [pid 9798] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9798 [pid 9798] <... set_robust_list resumed>) = 0 [pid 9798] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9798] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9798] setpgid(0, 0) = 0 [pid 9798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9798] write(3, "1000", 4) = 4 [pid 9798] close(3) = 0 executing program [ 423.095466][ T9797] set_capacity_and_notify: 30 callbacks suppressed [ 423.096043][ T9797] loop0: detected capacity change from 0 to 512 [ 423.107496][ T9797] EXT4-fs: quotafile must be on filesystem root [pid 9798] write(1, "executing program\n", 18) = 18 [pid 9798] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9798] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9798] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9798] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9798] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9798] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9799 attached => {parent_tid=[9799]}, 88) = 9799 [pid 9799] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9798] rt_sigprocmask(SIG_SETMASK, [] [pid 9799] set_robust_list(0x7f0c2cd339a0, 24 [pid 9798] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9799] <... set_robust_list resumed>) = 0 [pid 9799] rt_sigprocmask(SIG_SETMASK, [] [pid 9798] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9799] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9798] <... futex resumed>) = 0 [pid 9799] memfd_create("syzkaller", 0 [pid 9798] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9799] <... memfd_create resumed>) = 3 [pid 9799] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9799] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9799] munmap(0x7f0c24913000, 138412032) = 0 [pid 9799] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9799] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9799] close(3) = 0 [pid 9799] close(4) = 0 [pid 9799] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9799] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9799] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9799] ioctl(3, LOOP_CLR_FD) = 0 [pid 9799] close(3) = 0 [pid 9799] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9799] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9798] <... futex resumed>) = 0 [pid 9798] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9799] <... futex resumed>) = 0 [pid 9798] <... futex resumed>) = 1 [pid 9799] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9798] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9799] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9799] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9798] <... futex resumed>) = 0 [pid 9799] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9798] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9798] <... futex resumed>) = 0 [pid 9799] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9798] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9799] <... openat resumed>) = 3 [pid 9799] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9798] <... futex resumed>) = 0 [pid 9798] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9799] pwrite64(3, "\x02\x00", 2, 4 [pid 9798] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9799] <... pwrite64 resumed>) = 2 [pid 9799] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9798] <... futex resumed>) = 0 [pid 9798] exit_group(0 [pid 9799] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9798] <... exit_group resumed>) = ? [pid 9799] +++ exited with 0 +++ [pid 9798] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9798, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9800 attached , child_tidptr=0x555585adc6d0) = 9800 [pid 9800] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9800] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 423.203680][ T9799] loop0: detected capacity change from 0 to 512 [ 423.212171][ T9799] EXT4-fs: quotafile must be on filesystem root [pid 9800] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9800] setpgid(0, 0) = 0 [pid 9800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9800] write(3, "1000", 4) = 4 [pid 9800] close(3) = 0 [pid 9800] write(1, "executing program\n", 18) = 18 executing program [pid 9800] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9800] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9800] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9800] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9801 attached [pid 9801] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9800] <... clone3 resumed> => {parent_tid=[9801]}, 88) = 9801 [pid 9801] <... rseq resumed>) = 0 [pid 9801] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9801] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9801] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9800] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9800] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9801] <... futex resumed>) = 0 [pid 9800] <... futex resumed>) = 1 [pid 9801] memfd_create("syzkaller", 0 [pid 9800] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9801] <... memfd_create resumed>) = 3 [pid 9801] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9801] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9801] munmap(0x7f0c24913000, 138412032) = 0 [pid 9801] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9801] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9801] close(3) = 0 [pid 9801] close(4) = 0 [pid 9801] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9801] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9801] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9801] ioctl(3, LOOP_CLR_FD) = 0 [pid 9801] close(3) = 0 [pid 9801] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9801] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9800] <... futex resumed>) = 0 [pid 9800] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9801] <... futex resumed>) = 0 [pid 9801] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9800] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9801] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9801] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9800] <... futex resumed>) = 0 [pid 9801] <... futex resumed>) = 1 [pid 9800] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9801] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9800] <... futex resumed>) = 0 [pid 9801] <... openat resumed>) = 3 [pid 9800] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9801] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9800] <... futex resumed>) = 0 [pid 9801] pwrite64(3, "\x02\x00", 2, 4 [pid 9800] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9801] <... pwrite64 resumed>) = 2 [pid 9800] <... futex resumed>) = 0 [pid 9801] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9800] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9801] <... futex resumed>) = 0 [pid 9800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9801] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9800] exit_group(0 [pid 9801] <... futex resumed>) = ? [pid 9800] <... exit_group resumed>) = ? [pid 9801] +++ exited with 0 +++ [pid 9800] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9800, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 423.351825][ T9801] loop0: detected capacity change from 0 to 512 [ 423.359137][ T9801] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9802 attached , child_tidptr=0x555585adc6d0) = 9802 [pid 9802] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9802] <... set_robust_list resumed>) = 0 [pid 9802] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9802] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9802] setpgid(0, 0) = 0 [pid 9802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9802] write(3, "1000", 4) = 4 [pid 9802] close(3) = 0 [pid 9802] write(1, "executing program\n", 18) = 18 executing program [pid 9802] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9802] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9802] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9802] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9802] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9802] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9802] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9803 attached [pid 9803] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9802] <... clone3 resumed> => {parent_tid=[9803]}, 88) = 9803 [pid 9803] set_robust_list(0x7f0c2cd339a0, 24 [pid 9802] rt_sigprocmask(SIG_SETMASK, [] [pid 9803] <... set_robust_list resumed>) = 0 [pid 9802] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9803] rt_sigprocmask(SIG_SETMASK, [] [pid 9802] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9803] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9802] <... futex resumed>) = 0 [pid 9802] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9803] memfd_create("syzkaller", 0) = 3 [pid 9803] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9803] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9803] munmap(0x7f0c24913000, 138412032) = 0 [pid 9803] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9803] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9803] close(3) = 0 [pid 9803] close(4) = 0 [pid 9803] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9803] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9803] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9803] ioctl(3, LOOP_CLR_FD) = 0 [pid 9803] close(3) = 0 [pid 9803] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9802] <... futex resumed>) = 0 [pid 9803] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9802] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9802] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9803] <... futex resumed>) = 0 [pid 9803] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9803] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9802] <... futex resumed>) = 0 [pid 9802] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9803] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9802] <... futex resumed>) = 0 [pid 9802] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9803] <... openat resumed>) = 3 [pid 9803] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9802] <... futex resumed>) = 0 [pid 9802] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9802] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9803] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9803] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9802] <... futex resumed>) = 0 [pid 9803] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9802] exit_group(0) = ? [pid 9803] <... futex resumed>) = ? [pid 9803] +++ exited with 0 +++ [pid 9802] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9802, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 423.477195][ T9803] loop0: detected capacity change from 0 to 512 [ 423.487541][ T9803] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9804 attached , child_tidptr=0x555585adc6d0) = 9804 [pid 9804] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9804] <... set_robust_list resumed>) = 0 [pid 9804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9804] setpgid(0, 0) = 0 [pid 9804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9804] write(3, "1000", 4) = 4 [pid 9804] close(3) = 0 [pid 9804] write(1, "executing program\n", 18) = 18 executing program [pid 9804] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9804] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9804] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9804] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9804] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9804] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9805 attached => {parent_tid=[9805]}, 88) = 9805 [pid 9805] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9804] rt_sigprocmask(SIG_SETMASK, [] [pid 9805] <... rseq resumed>) = 0 [pid 9804] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9805] set_robust_list(0x7f0c2cd339a0, 24 [pid 9804] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9805] <... set_robust_list resumed>) = 0 [pid 9804] <... futex resumed>) = 0 [pid 9805] rt_sigprocmask(SIG_SETMASK, [] [pid 9804] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9805] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9805] memfd_create("syzkaller", 0) = 3 [pid 9805] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9805] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9805] munmap(0x7f0c24913000, 138412032) = 0 [pid 9805] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9805] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9805] close(3) = 0 [pid 9805] close(4) = 0 [pid 9805] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9805] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9805] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9805] ioctl(3, LOOP_CLR_FD) = 0 [pid 9805] close(3) = 0 [pid 9805] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9804] <... futex resumed>) = 0 [pid 9805] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9804] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9804] <... futex resumed>) = 0 [pid 9805] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9804] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9805] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9805] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9804] <... futex resumed>) = 0 [pid 9805] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9804] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9805] <... openat resumed>) = 3 [pid 9804] <... futex resumed>) = 0 [pid 9804] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9805] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9805] <... futex resumed>) = 0 [pid 9805] pwrite64(3, "\x02\x00", 2, 4 [pid 9804] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9805] <... pwrite64 resumed>) = 2 [pid 9804] <... futex resumed>) = 0 [pid 9805] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9804] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9805] <... futex resumed>) = 0 [pid 9804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9805] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9804] exit_group(0 [pid 9805] <... futex resumed>) = ? [pid 9804] <... exit_group resumed>) = ? [pid 9805] +++ exited with 0 +++ [pid 9804] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9806 attached [ 423.574064][ T9805] loop0: detected capacity change from 0 to 512 [ 423.584936][ T9805] EXT4-fs: quotafile must be on filesystem root , child_tidptr=0x555585adc6d0) = 9806 [pid 9806] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9806] <... set_robust_list resumed>) = 0 [pid 9806] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9806] setpgid(0, 0) = 0 [pid 9806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9806] write(3, "1000", 4) = 4 [pid 9806] close(3) = 0 executing program [pid 9806] write(1, "executing program\n", 18) = 18 [pid 9806] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9806] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9806] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9806] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9806] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9806] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9807 attached [pid 9807] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9806] <... clone3 resumed> => {parent_tid=[9807]}, 88) = 9807 [pid 9807] <... rseq resumed>) = 0 [pid 9807] set_robust_list(0x7f0c2cd339a0, 24 [pid 9806] rt_sigprocmask(SIG_SETMASK, [] [pid 9807] <... set_robust_list resumed>) = 0 [pid 9806] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9807] rt_sigprocmask(SIG_SETMASK, [] [pid 9806] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9807] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9806] <... futex resumed>) = 0 [pid 9807] memfd_create("syzkaller", 0 [pid 9806] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9807] <... memfd_create resumed>) = 3 [pid 9807] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9807] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9807] munmap(0x7f0c24913000, 138412032) = 0 [pid 9807] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9807] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9807] close(3) = 0 [pid 9807] close(4) = 0 [pid 9807] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9807] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9807] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9807] ioctl(3, LOOP_CLR_FD) = 0 [pid 9807] close(3) = 0 [pid 9807] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9806] <... futex resumed>) = 0 [pid 9807] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9806] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9806] <... futex resumed>) = 0 [pid 9807] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9806] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9807] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9807] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9806] <... futex resumed>) = 0 [pid 9807] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9806] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9806] <... futex resumed>) = 0 [pid 9807] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9806] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9807] <... openat resumed>) = 3 [pid 9807] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9806] <... futex resumed>) = 0 [pid 9807] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9806] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9807] pwrite64(3, "\x02\x00", 2, 4 [pid 9806] <... futex resumed>) = 0 [pid 9807] <... pwrite64 resumed>) = 2 [pid 9806] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9807] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9807] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9806] exit_group(0) = ? [pid 9807] <... futex resumed>) = ? [pid 9807] +++ exited with 0 +++ [pid 9806] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9806, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9808 ci2-upstream-fs/strace-static-x86_64: Process 9808 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [ 423.681461][ T9807] loop0: detected capacity change from 0 to 512 [ 423.693632][ T9807] EXT4-fs: quotafile must be on filesystem root [pid 9808] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9808] <... set_robust_list resumed>) = 0 [pid 9808] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9808] setpgid(0, 0) = 0 [pid 9808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9808] write(3, "1000", 4) = 4 [pid 9808] close(3) = 0 executing program [pid 9808] write(1, "executing program\n", 18) = 18 [pid 9808] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9808] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9808] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9808] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9808] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9808] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9809 attached [pid 9809] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9808] <... clone3 resumed> => {parent_tid=[9809]}, 88) = 9809 [pid 9809] <... rseq resumed>) = 0 [pid 9808] rt_sigprocmask(SIG_SETMASK, [] [pid 9809] set_robust_list(0x7f0c2cd339a0, 24 [pid 9808] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9809] <... set_robust_list resumed>) = 0 [pid 9808] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9809] rt_sigprocmask(SIG_SETMASK, [] [pid 9808] <... futex resumed>) = 0 [pid 9809] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9809] memfd_create("syzkaller", 0 [pid 9808] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9809] <... memfd_create resumed>) = 3 [pid 9809] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9809] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9809] munmap(0x7f0c24913000, 138412032) = 0 [pid 9809] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9809] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9809] close(3) = 0 [pid 9809] close(4) = 0 [pid 9809] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9809] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9809] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9809] ioctl(3, LOOP_CLR_FD) = 0 [pid 9809] close(3) = 0 [pid 9809] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9809] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9808] <... futex resumed>) = 0 [pid 9808] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9809] <... futex resumed>) = 0 [pid 9808] <... futex resumed>) = 1 [pid 9809] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9808] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9809] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9809] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9808] <... futex resumed>) = 0 [pid 9809] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9808] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9808] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9809] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9809] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9808] <... futex resumed>) = 0 [pid 9809] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9808] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9808] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9809] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9809] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9808] <... futex resumed>) = 0 [pid 9809] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9808] exit_group(0) = ? [pid 9809] <... futex resumed>) = ? [pid 9809] +++ exited with 0 +++ [pid 9808] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9808, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 423.777607][ T9809] loop0: detected capacity change from 0 to 512 [ 423.798846][ T9809] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9810 attached , child_tidptr=0x555585adc6d0) = 9810 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9810] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9810] <... set_robust_list resumed>) = 0 [pid 9810] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9810] setpgid(0, 0) = 0 [pid 9810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9810] write(3, "1000", 4) = 4 [pid 9810] close(3) = 0 executing program [pid 9810] write(1, "executing program\n", 18) = 18 [pid 9810] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9810] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9810] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9810] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9811 attached => {parent_tid=[9811]}, 88) = 9811 [pid 9811] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9810] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9810] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9811] <... rseq resumed>) = 0 [pid 9810] <... futex resumed>) = 0 [pid 9810] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9811] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9811] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9811] memfd_create("syzkaller", 0) = 3 [pid 9811] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9811] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9811] munmap(0x7f0c24913000, 138412032) = 0 [pid 9811] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9811] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9811] close(3) = 0 [pid 9811] close(4) = 0 [pid 9811] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9811] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9811] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9811] ioctl(3, LOOP_CLR_FD) = 0 [pid 9811] close(3) = 0 [pid 9811] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9810] <... futex resumed>) = 0 [pid 9811] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9810] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9811] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9810] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9811] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9811] <... futex resumed>) = 0 [pid 9810] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9811] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9810] <... futex resumed>) = 0 [pid 9811] <... openat resumed>) = 3 [pid 9810] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9811] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9811] <... futex resumed>) = 0 [pid 9810] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9811] pwrite64(3, "\x02\x00", 2, 4 [pid 9810] <... futex resumed>) = 0 [pid 9811] <... pwrite64 resumed>) = 2 [pid 9810] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9811] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9811] <... futex resumed>) = 0 [pid 9810] exit_group(0 [pid 9811] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9810] <... exit_group resumed>) = ? [pid 9811] <... futex resumed>) = ? [pid 9811] +++ exited with 0 +++ [pid 9810] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9812 ci2-upstream-fs/strace-static-x86_64: Process 9812 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9812] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9812] setpgid(0, 0) = 0 [pid 9812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9812] write(3, "1000", 4) = 4 [pid 9812] close(3) = 0 [pid 9812] write(1, "executing program\n", 18) = 18 executing program [pid 9812] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9812] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9812] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9812] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9812] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9813 attached [pid 9813] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9812] <... clone3 resumed> => {parent_tid=[9813]}, 88) = 9813 [pid 9813] <... rseq resumed>) = 0 [pid 9812] rt_sigprocmask(SIG_SETMASK, [] [pid 9813] set_robust_list(0x7f0c2cd339a0, 24 [pid 9812] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 423.924364][ T9811] loop0: detected capacity change from 0 to 512 [ 423.934620][ T9811] EXT4-fs: quotafile must be on filesystem root [pid 9813] <... set_robust_list resumed>) = 0 [pid 9812] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9813] rt_sigprocmask(SIG_SETMASK, [] [pid 9812] <... futex resumed>) = 0 [pid 9813] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9812] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9813] memfd_create("syzkaller", 0) = 3 [pid 9813] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9813] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9813] munmap(0x7f0c24913000, 138412032) = 0 [pid 9813] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9813] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9813] close(3) = 0 [pid 9813] close(4) = 0 [pid 9813] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9813] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9813] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9813] ioctl(3, LOOP_CLR_FD) = 0 [pid 9813] close(3) = 0 [pid 9813] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9812] <... futex resumed>) = 0 [pid 9812] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9813] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9812] <... futex resumed>) = 0 [pid 9813] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9812] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9813] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9812] <... futex resumed>) = 0 [pid 9813] <... futex resumed>) = 1 [pid 9812] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9813] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9812] <... futex resumed>) = 0 [pid 9813] <... openat resumed>) = 3 [pid 9812] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9813] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9812] <... futex resumed>) = 0 [pid 9813] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9812] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9813] pwrite64(3, "\x02\x00", 2, 4 [pid 9812] <... futex resumed>) = 0 [pid 9813] <... pwrite64 resumed>) = 2 [pid 9812] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9813] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9812] <... futex resumed>) = 0 [pid 9813] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9812] exit_group(0 [pid 9813] <... futex resumed>) = ? [pid 9812] <... exit_group resumed>) = ? [pid 9813] +++ exited with 0 +++ [pid 9812] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9812, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 424.012341][ T9813] loop0: detected capacity change from 0 to 512 [ 424.021497][ T9813] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9814 attached , child_tidptr=0x555585adc6d0) = 9814 [pid 9814] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9814] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9814] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9814] setpgid(0, 0) = 0 [pid 9814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9814] write(3, "1000", 4) = 4 [pid 9814] close(3) = 0 [pid 9814] write(1, "executing program\n", 18) = 18 [pid 9814] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9814] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9814] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9814] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9814] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9814] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9815 attached => {parent_tid=[9815]}, 88) = 9815 [pid 9814] rt_sigprocmask(SIG_SETMASK, [] [pid 9815] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9814] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9815] <... rseq resumed>) = 0 [pid 9815] set_robust_list(0x7f0c2cd339a0, 24 [pid 9814] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9814] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9815] <... set_robust_list resumed>) = 0 [pid 9815] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9815] memfd_create("syzkaller", 0) = 3 [pid 9815] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9815] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9815] munmap(0x7f0c24913000, 138412032) = 0 [pid 9815] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9815] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9815] close(3) = 0 [pid 9815] close(4) = 0 [pid 9815] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9815] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9815] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9815] ioctl(3, LOOP_CLR_FD) = 0 [pid 9815] close(3) = 0 [pid 9815] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9814] <... futex resumed>) = 0 [pid 9815] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9814] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9814] <... futex resumed>) = 0 [pid 9815] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9814] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9815] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9815] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9814] <... futex resumed>) = 0 [pid 9815] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9814] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9814] <... futex resumed>) = 0 [pid 9815] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9814] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9815] <... openat resumed>) = 3 [pid 9815] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9814] <... futex resumed>) = 0 [pid 9815] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9814] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9814] <... futex resumed>) = 0 [pid 9815] pwrite64(3, "\x02\x00", 2, 4 [pid 9814] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9815] <... pwrite64 resumed>) = 2 [pid 9815] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9814] <... futex resumed>) = 0 [pid 9815] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9814] exit_group(0 [pid 9815] <... futex resumed>) = ? [pid 9814] <... exit_group resumed>) = ? [pid 9815] +++ exited with 0 +++ [pid 9814] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9814, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 424.107191][ T9815] loop0: detected capacity change from 0 to 512 [ 424.118086][ T9815] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9816 rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 9816 attached , NULL, 8) = 0 [pid 9816] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9816] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9816] setpgid(0, 0) = 0 [pid 9816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9816] write(3, "1000", 4) = 4 [pid 9816] close(3) = 0 executing program [pid 9816] write(1, "executing program\n", 18) = 18 [pid 9816] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9816] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9816] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9816] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9817 attached => {parent_tid=[9817]}, 88) = 9817 [pid 9817] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9816] rt_sigprocmask(SIG_SETMASK, [] [pid 9817] <... rseq resumed>) = 0 [pid 9816] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9817] set_robust_list(0x7f0c2cd339a0, 24 [pid 9816] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9817] <... set_robust_list resumed>) = 0 [pid 9816] <... futex resumed>) = 0 [pid 9816] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9817] memfd_create("syzkaller", 0) = 3 [pid 9817] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9817] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9817] munmap(0x7f0c24913000, 138412032) = 0 [pid 9817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9817] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9817] close(3) = 0 [pid 9817] close(4) = 0 [pid 9817] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9817] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9817] ioctl(3, LOOP_CLR_FD) = 0 [pid 9817] close(3) = 0 [pid 9817] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9816] <... futex resumed>) = 0 [pid 9817] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9816] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9816] <... futex resumed>) = 0 [pid 9817] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9816] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9817] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9817] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9816] <... futex resumed>) = 0 [pid 9817] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9816] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9816] <... futex resumed>) = 0 [pid 9817] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9816] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9817] <... openat resumed>) = 3 [pid 9817] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9816] <... futex resumed>) = 0 [pid 9816] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9817] <... futex resumed>) = 1 [pid 9816] <... futex resumed>) = 0 [pid 9816] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9817] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9817] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9816] <... futex resumed>) = 0 [pid 9817] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9816] exit_group(0 [pid 9817] <... futex resumed>) = ? [pid 9816] <... exit_group resumed>) = ? [pid 9817] +++ exited with 0 +++ [pid 9816] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9816, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9818 attached [pid 9818] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9818 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9818] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9818] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9818] setpgid(0, 0) = 0 [pid 9818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9818] write(3, "1000", 4) = 4 [pid 9818] close(3) = 0 [pid 9818] write(1, "executing program\n", 18) = 18 [pid 9818] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9818] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9818] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9818] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9818] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9819 attached => {parent_tid=[9819]}, 88) = 9819 [pid 9819] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9818] rt_sigprocmask(SIG_SETMASK, [] [pid 9819] <... rseq resumed>) = 0 [pid 9818] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9819] set_robust_list(0x7f0c2cd339a0, 24 [pid 9818] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9819] <... set_robust_list resumed>) = 0 [pid 9818] <... futex resumed>) = 0 [pid 9819] rt_sigprocmask(SIG_SETMASK, [] [pid 9818] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9819] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9819] memfd_create("syzkaller", 0) = 3 [pid 9819] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [ 424.243789][ T9817] EXT4-fs: quotafile must be on filesystem root [pid 9819] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9819] munmap(0x7f0c24913000, 138412032) = 0 [pid 9819] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9819] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9819] close(3) = 0 [pid 9819] close(4) = 0 [pid 9819] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9819] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9819] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9819] ioctl(3, LOOP_CLR_FD) = 0 [pid 9819] close(3) = 0 [pid 9819] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9818] <... futex resumed>) = 0 [pid 9819] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9818] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9818] <... futex resumed>) = 0 [pid 9819] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9818] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9819] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9819] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9818] <... futex resumed>) = 0 [pid 9819] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9818] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9818] <... futex resumed>) = 0 [pid 9819] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9818] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9819] <... openat resumed>) = 3 [pid 9819] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9818] <... futex resumed>) = 0 [pid 9819] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9818] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9818] <... futex resumed>) = 0 [pid 9819] pwrite64(3, "\x02\x00", 2, 4 [pid 9818] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9819] <... pwrite64 resumed>) = 2 [pid 9819] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9818] <... futex resumed>) = 0 [pid 9819] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9818] exit_group(0 [pid 9819] <... futex resumed>) = ? [pid 9818] <... exit_group resumed>) = ? [pid 9819] +++ exited with 0 +++ [pid 9818] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9818, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 424.325690][ T9819] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9820 ci2-upstream-fs/strace-static-x86_64: Process 9820 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9820] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9820] <... set_robust_list resumed>) = 0 [pid 9820] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9820] setpgid(0, 0) = 0 [pid 9820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9820] write(3, "1000", 4) = 4 [pid 9820] close(3) = 0 executing program [pid 9820] write(1, "executing program\n", 18) = 18 [pid 9820] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9820] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9820] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9820] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9820] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9821 attached [pid 9821] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9820] <... clone3 resumed> => {parent_tid=[9821]}, 88) = 9821 [pid 9821] <... rseq resumed>) = 0 [pid 9820] rt_sigprocmask(SIG_SETMASK, [] [pid 9821] set_robust_list(0x7f0c2cd339a0, 24 [pid 9820] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9821] <... set_robust_list resumed>) = 0 [pid 9821] rt_sigprocmask(SIG_SETMASK, [] [pid 9820] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9821] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9820] <... futex resumed>) = 0 [pid 9821] memfd_create("syzkaller", 0 [pid 9820] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9821] <... memfd_create resumed>) = 3 [pid 9821] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9821] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9821] munmap(0x7f0c24913000, 138412032) = 0 [pid 9821] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9821] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9821] close(3) = 0 [pid 9821] close(4) = 0 [pid 9821] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9821] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9821] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9821] ioctl(3, LOOP_CLR_FD) = 0 [pid 9821] close(3) = 0 [pid 9821] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9820] <... futex resumed>) = 0 [pid 9821] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9820] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9820] <... futex resumed>) = 0 [pid 9821] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9820] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9821] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9821] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9820] <... futex resumed>) = 0 [pid 9821] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [ 424.441533][ T9821] EXT4-fs: quotafile must be on filesystem root [pid 9820] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9821] <... openat resumed>) = 3 [pid 9820] <... futex resumed>) = 0 [pid 9820] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9821] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9820] <... futex resumed>) = 0 [pid 9821] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9820] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9820] <... futex resumed>) = 0 [pid 9821] pwrite64(3, "\x02\x00", 2, 4 [pid 9820] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9821] <... pwrite64 resumed>) = 2 [pid 9821] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9820] <... futex resumed>) = 0 [pid 9821] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9820] exit_group(0 [pid 9821] <... futex resumed>) = ? [pid 9820] <... exit_group resumed>) = ? [pid 9821] +++ exited with 0 +++ [pid 9820] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9822 attached , child_tidptr=0x555585adc6d0) = 9822 [pid 9822] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9822] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9822] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9822] setpgid(0, 0) = 0 [pid 9822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9822] write(3, "1000", 4) = 4 [pid 9822] close(3) = 0 [pid 9822] write(1, "executing program\n", 18) = 18 executing program [pid 9822] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9822] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9822] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9822] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9822] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9823 attached [pid 9823] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9822] <... clone3 resumed> => {parent_tid=[9823]}, 88) = 9823 [pid 9823] <... rseq resumed>) = 0 [pid 9822] rt_sigprocmask(SIG_SETMASK, [] [pid 9823] set_robust_list(0x7f0c2cd339a0, 24 [pid 9822] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9823] <... set_robust_list resumed>) = 0 [pid 9822] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9823] rt_sigprocmask(SIG_SETMASK, [] [pid 9822] <... futex resumed>) = 0 [pid 9823] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9823] memfd_create("syzkaller", 0 [pid 9822] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9823] <... memfd_create resumed>) = 3 [pid 9823] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9823] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9823] munmap(0x7f0c24913000, 138412032) = 0 [pid 9823] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9823] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9823] close(3) = 0 [pid 9823] close(4) = 0 [pid 9823] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9823] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9823] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9823] ioctl(3, LOOP_CLR_FD) = 0 [pid 9823] close(3) = 0 [pid 9823] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9822] <... futex resumed>) = 0 [pid 9823] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9822] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9822] <... futex resumed>) = 0 [pid 9823] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9822] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9823] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9823] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9822] <... futex resumed>) = 0 [pid 9823] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9822] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9822] <... futex resumed>) = 0 [pid 9823] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9822] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9823] <... openat resumed>) = 3 [pid 9823] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9822] <... futex resumed>) = 0 [pid 9823] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9822] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9822] <... futex resumed>) = 0 [pid 9823] pwrite64(3, "\x02\x00", 2, 4 [pid 9822] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9823] <... pwrite64 resumed>) = 2 [pid 9823] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9822] <... futex resumed>) = 0 [pid 9823] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9822] exit_group(0 [pid 9823] <... futex resumed>) = ? [pid 9822] <... exit_group resumed>) = ? [pid 9823] +++ exited with 0 +++ [pid 9822] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9822, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9824 attached , child_tidptr=0x555585adc6d0) = 9824 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9824] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9824] <... set_robust_list resumed>) = 0 [pid 9824] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9824] setpgid(0, 0) = 0 [pid 9824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9824] write(3, "1000", 4) = 4 [pid 9824] close(3) = 0 executing program [pid 9824] write(1, "executing program\n", 18) = 18 [pid 9824] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9824] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9824] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9824] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9824] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9825 attached => {parent_tid=[9825]}, 88) = 9825 [pid 9825] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9824] rt_sigprocmask(SIG_SETMASK, [] [pid 9825] <... rseq resumed>) = 0 [pid 9824] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9825] set_robust_list(0x7f0c2cd339a0, 24 [pid 9824] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9825] <... set_robust_list resumed>) = 0 [pid 9824] <... futex resumed>) = 0 [pid 9825] rt_sigprocmask(SIG_SETMASK, [] [pid 9824] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9825] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 424.557185][ T9823] EXT4-fs: quotafile must be on filesystem root [pid 9825] memfd_create("syzkaller", 0) = 3 [pid 9825] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9825] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9825] munmap(0x7f0c24913000, 138412032) = 0 [pid 9825] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9825] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9825] close(3) = 0 [pid 9825] close(4) = 0 [pid 9825] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9825] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9825] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9825] ioctl(3, LOOP_CLR_FD) = 0 [pid 9825] close(3) = 0 [pid 9825] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9825] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9824] <... futex resumed>) = 0 [pid 9824] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9825] <... futex resumed>) = 0 [pid 9824] <... futex resumed>) = 1 [pid 9825] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9824] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9825] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9825] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9824] <... futex resumed>) = 0 [pid 9825] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9824] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9824] <... futex resumed>) = 0 [pid 9824] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9825] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9825] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9824] <... futex resumed>) = 0 [pid 9825] <... futex resumed>) = 1 [pid 9824] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9825] pwrite64(3, "\x02\x00", 2, 4 [pid 9824] <... futex resumed>) = 0 [pid 9825] <... pwrite64 resumed>) = 2 [pid 9824] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9825] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9825] <... futex resumed>) = 0 [pid 9825] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9824] exit_group(0 [pid 9825] <... futex resumed>) = ? [pid 9824] <... exit_group resumed>) = ? [pid 9825] +++ exited with 0 +++ [pid 9824] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9824, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9826 attached , child_tidptr=0x555585adc6d0) = 9826 [pid 9826] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9826] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9826] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9826] setpgid(0, 0) = 0 [pid 9826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9826] write(3, "1000", 4) = 4 [pid 9826] close(3) = 0 [pid 9826] write(1, "executing program\n", 18) = 18 [pid 9826] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9826] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 executing program [pid 9826] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [ 424.636661][ T9825] EXT4-fs: quotafile must be on filesystem root [pid 9826] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9826] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9826] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9827 attached [pid 9827] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9826] <... clone3 resumed> => {parent_tid=[9827]}, 88) = 9827 [pid 9827] <... rseq resumed>) = 0 [pid 9826] rt_sigprocmask(SIG_SETMASK, [] [pid 9827] set_robust_list(0x7f0c2cd339a0, 24 [pid 9826] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9827] <... set_robust_list resumed>) = 0 [pid 9827] rt_sigprocmask(SIG_SETMASK, [] [pid 9826] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9827] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9826] <... futex resumed>) = 0 [pid 9827] memfd_create("syzkaller", 0 [pid 9826] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9827] <... memfd_create resumed>) = 3 [pid 9827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9827] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9827] munmap(0x7f0c24913000, 138412032) = 0 [pid 9827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9827] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9827] close(3) = 0 [pid 9827] close(4) = 0 [pid 9827] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9827] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9827] ioctl(3, LOOP_CLR_FD) = 0 [pid 9827] close(3) = 0 [pid 9827] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9826] <... futex resumed>) = 0 [pid 9827] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9826] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9826] <... futex resumed>) = 0 [pid 9827] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9826] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9827] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9827] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9826] <... futex resumed>) = 0 [pid 9827] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9826] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9826] <... futex resumed>) = 0 [pid 9827] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9826] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9827] <... openat resumed>) = 3 [pid 9827] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9826] <... futex resumed>) = 0 [pid 9827] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9826] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9826] <... futex resumed>) = 0 [pid 9827] pwrite64(3, "\x02\x00", 2, 4 [pid 9826] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9827] <... pwrite64 resumed>) = 2 [pid 9827] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9826] <... futex resumed>) = 0 [pid 9827] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9826] exit_group(0 [pid 9827] <... futex resumed>) = ? [pid 9826] <... exit_group resumed>) = ? [pid 9827] +++ exited with 0 +++ [pid 9826] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9826, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9828 attached , child_tidptr=0x555585adc6d0) = 9828 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9828] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9828] <... set_robust_list resumed>) = 0 [pid 9828] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9828] setpgid(0, 0) = 0 [pid 9828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9828] write(3, "1000", 4) = 4 [pid 9828] close(3) = 0 executing program [pid 9828] write(1, "executing program\n", 18) = 18 [pid 9828] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9828] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9828] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9828] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9829 attached [pid 9829] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9828] <... clone3 resumed> => {parent_tid=[9829]}, 88) = 9829 [pid 9829] <... rseq resumed>) = 0 [pid 9828] rt_sigprocmask(SIG_SETMASK, [] [pid 9829] set_robust_list(0x7f0c2cd339a0, 24 [pid 9828] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9829] <... set_robust_list resumed>) = 0 [pid 9828] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9829] rt_sigprocmask(SIG_SETMASK, [] [pid 9828] <... futex resumed>) = 0 [pid 9829] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9828] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9829] memfd_create("syzkaller", 0) = 3 [pid 9829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [ 424.716476][ T9827] EXT4-fs: quotafile must be on filesystem root [pid 9829] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9829] munmap(0x7f0c24913000, 138412032) = 0 [pid 9829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9829] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9829] close(3) = 0 [pid 9829] close(4) = 0 [pid 9829] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9829] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9829] ioctl(3, LOOP_CLR_FD) = 0 [pid 9829] close(3) = 0 [pid 9829] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9828] <... futex resumed>) = 0 [pid 9829] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9828] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9828] <... futex resumed>) = 0 [pid 9829] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9828] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9829] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9829] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9828] <... futex resumed>) = 0 [pid 9829] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9828] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9828] <... futex resumed>) = 0 [pid 9829] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9828] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9829] <... openat resumed>) = 3 [pid 9829] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9828] <... futex resumed>) = 0 [pid 9829] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9828] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9828] <... futex resumed>) = 0 [pid 9829] pwrite64(3, "\x02\x00", 2, 4 [pid 9828] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9829] <... pwrite64 resumed>) = 2 [pid 9829] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9828] <... futex resumed>) = 0 [pid 9829] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9828] exit_group(0 [pid 9829] <... futex resumed>) = ? [pid 9828] <... exit_group resumed>) = ? [pid 9829] +++ exited with 0 +++ [pid 9828] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9828, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9830 attached , child_tidptr=0x555585adc6d0) = 9830 [pid 9830] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9830] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9830] setpgid(0, 0) = 0 [pid 9830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9830] write(3, "1000", 4) = 4 [pid 9830] close(3) = 0 [pid 9830] write(1, "executing program\n", 18) = 18 executing program [pid 9830] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9830] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9830] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9830] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9831 attached [pid 9831] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9830] <... clone3 resumed> => {parent_tid=[9831]}, 88) = 9831 [pid 9831] <... rseq resumed>) = 0 [pid 9830] rt_sigprocmask(SIG_SETMASK, [] [pid 9831] set_robust_list(0x7f0c2cd339a0, 24 [pid 9830] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9831] <... set_robust_list resumed>) = 0 [pid 9830] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9831] rt_sigprocmask(SIG_SETMASK, [] [pid 9830] <... futex resumed>) = 0 [pid 9831] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9831] memfd_create("syzkaller", 0 [pid 9830] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9831] <... memfd_create resumed>) = 3 [pid 9831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [ 424.788570][ T9829] EXT4-fs: quotafile must be on filesystem root [pid 9831] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9831] munmap(0x7f0c24913000, 138412032) = 0 [pid 9831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9831] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9831] close(3) = 0 [pid 9831] close(4) = 0 [pid 9831] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9831] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9831] ioctl(3, LOOP_CLR_FD) = 0 [pid 9831] close(3) = 0 [pid 9831] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9830] <... futex resumed>) = 0 [pid 9831] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9830] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9830] <... futex resumed>) = 0 [pid 9831] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9830] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9831] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9831] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9830] <... futex resumed>) = 0 [pid 9831] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9830] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9830] <... futex resumed>) = 0 [pid 9831] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9830] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9831] <... openat resumed>) = 3 [pid 9831] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9830] <... futex resumed>) = 0 [pid 9831] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9830] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9830] <... futex resumed>) = 0 [pid 9831] pwrite64(3, "\x02\x00", 2, 4 [pid 9830] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9831] <... pwrite64 resumed>) = 2 [pid 9831] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9830] <... futex resumed>) = 0 [pid 9831] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9830] exit_group(0 [pid 9831] <... futex resumed>) = ? [pid 9830] <... exit_group resumed>) = ? [pid 9831] +++ exited with 0 +++ [pid 9830] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9830, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9832 attached , child_tidptr=0x555585adc6d0) = 9832 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9832] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9832] <... set_robust_list resumed>) = 0 [pid 9832] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9832] setpgid(0, 0) = 0 [pid 9832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9832] write(3, "1000", 4) = 4 [pid 9832] close(3) = 0 executing program [pid 9832] write(1, "executing program\n", 18) = 18 [pid 9832] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9832] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9832] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9832] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9832] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9832] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9832] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9833 attached [pid 9833] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9832] <... clone3 resumed> => {parent_tid=[9833]}, 88) = 9833 [pid 9833] <... rseq resumed>) = 0 [pid 9832] rt_sigprocmask(SIG_SETMASK, [] [pid 9833] set_robust_list(0x7f0c2cd339a0, 24 [pid 9832] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9833] <... set_robust_list resumed>) = 0 [pid 9832] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9833] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9832] <... futex resumed>) = 0 [pid 9833] memfd_create("syzkaller", 0 [pid 9832] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9833] <... memfd_create resumed>) = 3 [ 424.862413][ T9831] EXT4-fs: quotafile must be on filesystem root [pid 9833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9833] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9833] munmap(0x7f0c24913000, 138412032) = 0 [pid 9833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9833] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9833] close(3) = 0 [pid 9833] close(4) = 0 [pid 9833] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9833] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9833] ioctl(3, LOOP_CLR_FD) = 0 [pid 9833] close(3) = 0 [pid 9833] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9832] <... futex resumed>) = 0 [pid 9832] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9833] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9832] <... futex resumed>) = 0 [pid 9833] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9832] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9833] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9832] <... futex resumed>) = 0 [pid 9832] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9833] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9832] <... futex resumed>) = 0 [pid 9833] <... openat resumed>) = 3 [pid 9832] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9833] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9832] <... futex resumed>) = 0 [pid 9832] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9833] pwrite64(3, "\x02\x00", 2, 4 [pid 9832] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9833] <... pwrite64 resumed>) = 2 [pid 9833] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9833] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9832] <... futex resumed>) = 0 [pid 9832] exit_group(0) = ? [pid 9833] <... futex resumed>) = ? [ 424.998633][ T9833] EXT4-fs: quotafile must be on filesystem root [pid 9833] +++ exited with 0 +++ [pid 9832] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9832, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9834 ci2-upstream-fs/strace-static-x86_64: Process 9834 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9834] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9834] <... set_robust_list resumed>) = 0 [pid 9834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9834] setpgid(0, 0) = 0 [pid 9834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9834] write(3, "1000", 4) = 4 [pid 9834] close(3) = 0 executing program [pid 9834] write(1, "executing program\n", 18) = 18 [pid 9834] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9834] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9834] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9834] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9834] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9835 attached [pid 9835] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9835] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9835] rt_sigprocmask(SIG_SETMASK, [] [pid 9834] <... clone3 resumed> => {parent_tid=[9835]}, 88) = 9835 [pid 9835] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9834] rt_sigprocmask(SIG_SETMASK, [] [pid 9835] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9834] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9834] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9835] <... futex resumed>) = 0 [pid 9834] <... futex resumed>) = 1 [pid 9834] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9835] memfd_create("syzkaller", 0) = 3 [pid 9835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9835] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9835] munmap(0x7f0c24913000, 138412032) = 0 [pid 9835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9835] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9835] close(3) = 0 [pid 9835] close(4) = 0 [pid 9835] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9835] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9835] ioctl(3, LOOP_CLR_FD) = 0 [pid 9835] close(3) = 0 [pid 9835] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9834] <... futex resumed>) = 0 [pid 9835] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9834] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9835] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9834] <... futex resumed>) = 0 [pid 9835] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9834] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9835] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9834] <... futex resumed>) = 0 [pid 9835] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9834] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9835] <... openat resumed>) = 3 [pid 9834] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9835] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9834] <... futex resumed>) = 0 [pid 9835] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9834] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9834] <... futex resumed>) = 0 [pid 9835] pwrite64(3, "\x02\x00", 2, 4 [pid 9834] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9835] <... pwrite64 resumed>) = 2 [pid 9835] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9834] <... futex resumed>) = 0 [pid 9835] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9834] exit_group(0 [pid 9835] <... futex resumed>) = ? [pid 9834] <... exit_group resumed>) = ? [pid 9835] +++ exited with 0 +++ [pid 9834] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9834, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9836 attached [ 425.127240][ T9835] EXT4-fs: quotafile must be on filesystem root [pid 9836] set_robust_list(0x555585adc6e0, 24) = 0 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9836 [pid 9836] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9836] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9836] setpgid(0, 0) = 0 [pid 9836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9836] write(3, "1000", 4) = 4 [pid 9836] close(3) = 0 executing program [pid 9836] write(1, "executing program\n", 18) = 18 [pid 9836] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9836] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9836] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9836] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9836] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9837 attached [pid 9837] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9837] set_robust_list(0x7f0c2cd339a0, 24 [pid 9836] <... clone3 resumed> => {parent_tid=[9837]}, 88) = 9837 [pid 9837] <... set_robust_list resumed>) = 0 [pid 9837] rt_sigprocmask(SIG_SETMASK, [] [pid 9836] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9836] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9837] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9836] <... futex resumed>) = 0 [pid 9837] memfd_create("syzkaller", 0) = 3 [pid 9836] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9837] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9837] munmap(0x7f0c24913000, 138412032) = 0 [pid 9837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9837] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9837] close(3) = 0 [pid 9837] close(4) = 0 [pid 9837] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9837] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9837] ioctl(3, LOOP_CLR_FD) = 0 [pid 9837] close(3) = 0 [pid 9837] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9836] <... futex resumed>) = 0 [pid 9837] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9836] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9836] <... futex resumed>) = 0 [pid 9837] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9836] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9837] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9837] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9836] <... futex resumed>) = 0 [pid 9837] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9836] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9836] <... futex resumed>) = 0 [pid 9837] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9836] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9837] <... openat resumed>) = 3 [pid 9837] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9836] <... futex resumed>) = 0 [pid 9836] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9837] <... futex resumed>) = 1 [pid 9836] <... futex resumed>) = 0 [pid 9837] pwrite64(3, "\x02\x00", 2, 4 [pid 9836] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9837] <... pwrite64 resumed>) = 2 [pid 9837] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9836] <... futex resumed>) = 0 [pid 9836] exit_group(0 [pid 9837] <... futex resumed>) = 1 [pid 9837] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9836] <... exit_group resumed>) = ? [pid 9837] +++ exited with 0 +++ [pid 9836] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9836, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [ 425.255725][ T9837] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9838 attached , child_tidptr=0x555585adc6d0) = 9838 [pid 9838] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9838] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9838] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9838] setpgid(0, 0) = 0 [pid 9838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9838] write(3, "1000", 4) = 4 [pid 9838] close(3) = 0 [pid 9838] write(1, "executing program\n", 18) = 18 executing program [pid 9838] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9838] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9838] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9838] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9839 attached [pid 9839] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9838] <... clone3 resumed> => {parent_tid=[9839]}, 88) = 9839 [pid 9839] <... rseq resumed>) = 0 [pid 9838] rt_sigprocmask(SIG_SETMASK, [] [pid 9839] set_robust_list(0x7f0c2cd339a0, 24 [pid 9838] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9839] <... set_robust_list resumed>) = 0 [pid 9838] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9839] rt_sigprocmask(SIG_SETMASK, [] [pid 9838] <... futex resumed>) = 0 [pid 9839] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9839] memfd_create("syzkaller", 0 [pid 9838] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9839] <... memfd_create resumed>) = 3 [pid 9839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9839] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9839] munmap(0x7f0c24913000, 138412032) = 0 [pid 9839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9839] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9839] close(3) = 0 [pid 9839] close(4) = 0 [pid 9839] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9839] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9839] ioctl(3, LOOP_CLR_FD) = 0 [pid 9839] close(3) = 0 [pid 9839] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9838] <... futex resumed>) = 0 [pid 9839] <... futex resumed>) = 1 [pid 9838] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9839] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9838] <... futex resumed>) = 0 [pid 9838] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9839] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9838] <... futex resumed>) = 0 [pid 9838] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9838] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9839] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9839] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9838] <... futex resumed>) = 0 [pid 9838] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9839] <... futex resumed>) = 1 [pid 9838] <... futex resumed>) = 0 [pid 9839] pwrite64(3, "\x02\x00", 2, 4 [pid 9838] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9839] <... pwrite64 resumed>) = 2 [pid 9839] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9839] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9838] <... futex resumed>) = 0 [pid 9838] exit_group(0) = ? [pid 9839] <... futex resumed>) = ? [pid 9839] +++ exited with 0 +++ [pid 9838] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9838, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9840 attached , child_tidptr=0x555585adc6d0) = 9840 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9840] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9840] <... set_robust_list resumed>) = 0 [pid 9840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9840] setpgid(0, 0) = 0 [pid 9840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 425.376133][ T9839] EXT4-fs: quotafile must be on filesystem root [pid 9840] write(3, "1000", 4) = 4 [pid 9840] close(3) = 0 [pid 9840] write(1, "executing program\n", 18) = 18 executing program [pid 9840] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9840] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9840] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9840] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9841 attached [pid 9841] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9840] <... clone3 resumed> => {parent_tid=[9841]}, 88) = 9841 [pid 9841] <... rseq resumed>) = 0 [pid 9840] rt_sigprocmask(SIG_SETMASK, [] [pid 9841] set_robust_list(0x7f0c2cd339a0, 24 [pid 9840] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9841] <... set_robust_list resumed>) = 0 [pid 9840] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9841] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9840] <... futex resumed>) = 0 [pid 9841] memfd_create("syzkaller", 0 [pid 9840] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9841] <... memfd_create resumed>) = 3 [pid 9841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9841] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9841] munmap(0x7f0c24913000, 138412032) = 0 [pid 9841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9841] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9841] close(3) = 0 [pid 9841] close(4) = 0 [pid 9841] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9841] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9841] ioctl(3, LOOP_CLR_FD) = 0 [pid 9841] close(3) = 0 [pid 9841] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9840] <... futex resumed>) = 0 [pid 9840] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9841] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9840] <... futex resumed>) = 0 [pid 9841] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9840] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9841] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9840] <... futex resumed>) = 0 [pid 9840] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9841] <... futex resumed>) = 1 [pid 9840] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9841] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9841] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9840] <... futex resumed>) = 0 [pid 9840] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9841] <... futex resumed>) = 1 [pid 9840] <... futex resumed>) = 0 [pid 9841] pwrite64(3, "\x02\x00", 2, 4 [pid 9840] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9841] <... pwrite64 resumed>) = 2 [pid 9841] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9840] <... futex resumed>) = 0 [pid 9841] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9840] exit_group(0 [pid 9841] <... futex resumed>) = ? [pid 9841] +++ exited with 0 +++ [pid 9840] <... exit_group resumed>) = ? [pid 9840] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9842 attached , child_tidptr=0x555585adc6d0) = 9842 [pid 9842] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9842] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9842] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9842] setpgid(0, 0) = 0 [pid 9842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 425.471534][ T9841] EXT4-fs: quotafile must be on filesystem root [pid 9842] write(3, "1000", 4) = 4 [pid 9842] close(3) = 0 [pid 9842] write(1, "executing program\n", 18) = 18 executing program [pid 9842] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9842] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9842] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9842] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9843 attached => {parent_tid=[9843]}, 88) = 9843 [pid 9843] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9842] rt_sigprocmask(SIG_SETMASK, [] [pid 9843] set_robust_list(0x7f0c2cd339a0, 24 [pid 9842] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9843] <... set_robust_list resumed>) = 0 [pid 9842] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9843] rt_sigprocmask(SIG_SETMASK, [] [pid 9842] <... futex resumed>) = 0 [pid 9843] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9843] memfd_create("syzkaller", 0 [pid 9842] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9843] <... memfd_create resumed>) = 3 [pid 9843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9843] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9843] munmap(0x7f0c24913000, 138412032) = 0 [pid 9843] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9843] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9843] close(3) = 0 [pid 9843] close(4) = 0 [pid 9843] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9843] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9843] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9843] ioctl(3, LOOP_CLR_FD) = 0 [pid 9843] close(3) = 0 [pid 9843] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9842] <... futex resumed>) = 0 [pid 9843] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9842] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9843] <... futex resumed>) = 0 [pid 9843] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9842] <... futex resumed>) = 1 [pid 9843] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9842] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9843] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9842] <... futex resumed>) = 0 [pid 9843] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9842] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9843] <... openat resumed>) = 3 [pid 9842] <... futex resumed>) = 0 [ 425.574243][ T9843] EXT4-fs: quotafile must be on filesystem root [pid 9842] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9843] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9842] <... futex resumed>) = 0 [pid 9843] <... futex resumed>) = 1 [pid 9842] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9843] pwrite64(3, "\x02\x00", 2, 4 [pid 9842] <... futex resumed>) = 0 [pid 9843] <... pwrite64 resumed>) = 2 [pid 9842] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9843] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9842] <... futex resumed>) = 0 [pid 9843] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9842] exit_group(0 [pid 9843] <... futex resumed>) = ? [pid 9843] +++ exited with 0 +++ [pid 9842] <... exit_group resumed>) = ? [pid 9842] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9842, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9844 ci2-upstream-fs/strace-static-x86_64: Process 9844 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9844] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9844] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9844] setpgid(0, 0) = 0 [pid 9844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9844] write(3, "1000", 4) = 4 [pid 9844] close(3) = 0 [pid 9844] write(1, "executing program\n", 18) = 18 executing program [pid 9844] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9844] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9844] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9844] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9845 attached => {parent_tid=[9845]}, 88) = 9845 [pid 9845] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9844] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9844] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9844] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9845] <... rseq resumed>) = 0 [pid 9845] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9845] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9845] memfd_create("syzkaller", 0) = 3 [pid 9845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9845] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9845] munmap(0x7f0c24913000, 138412032) = 0 [pid 9845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9845] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9845] close(3) = 0 [pid 9845] close(4) = 0 [pid 9845] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9845] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9845] ioctl(3, LOOP_CLR_FD) = 0 [pid 9845] close(3) = 0 [pid 9845] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9844] <... futex resumed>) = 0 [pid 9845] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9844] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9845] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9844] <... futex resumed>) = 0 [pid 9845] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9844] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9845] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9844] <... futex resumed>) = 0 [pid 9845] <... futex resumed>) = 1 [pid 9844] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9845] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9844] <... futex resumed>) = 0 [pid 9845] <... openat resumed>) = 3 [pid 9844] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9845] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9844] <... futex resumed>) = 0 [pid 9845] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9844] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9844] <... futex resumed>) = 0 [pid 9845] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9844] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9845] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9844] <... futex resumed>) = 0 [pid 9845] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9844] exit_group(0 [pid 9845] <... futex resumed>) = ? [pid 9844] <... exit_group resumed>) = ? [pid 9845] +++ exited with 0 +++ [pid 9844] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9844, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9846 attached , child_tidptr=0x555585adc6d0) = 9846 [pid 9846] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9846] <... set_robust_list resumed>) = 0 [pid 9846] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9846] setpgid(0, 0) = 0 [pid 9846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 425.735945][ T9845] EXT4-fs: quotafile must be on filesystem root [pid 9846] write(3, "1000", 4) = 4 [pid 9846] close(3) = 0 [pid 9846] write(1, "executing program\n", 18) = 18 executing program [pid 9846] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9846] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9846] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9846] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9846] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9847 attached => {parent_tid=[9847]}, 88) = 9847 [pid 9847] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9846] rt_sigprocmask(SIG_SETMASK, [] [pid 9847] <... rseq resumed>) = 0 [pid 9846] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9847] set_robust_list(0x7f0c2cd339a0, 24 [pid 9846] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9847] <... set_robust_list resumed>) = 0 [pid 9846] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9847] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9847] memfd_create("syzkaller", 0) = 3 [pid 9847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9847] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9847] munmap(0x7f0c24913000, 138412032) = 0 [pid 9847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9847] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9847] close(3) = 0 [pid 9847] close(4) = 0 [pid 9847] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9847] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9847] ioctl(3, LOOP_CLR_FD) = 0 [pid 9847] close(3) = 0 [pid 9847] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9846] <... futex resumed>) = 0 [pid 9847] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9846] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9846] <... futex resumed>) = 0 [pid 9847] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9846] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9847] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9847] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9846] <... futex resumed>) = 0 [pid 9847] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9846] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9846] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9847] <... futex resumed>) = 0 [pid 9847] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9847] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9846] <... futex resumed>) = 0 [pid 9847] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9846] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9847] pwrite64(3, "\x02\x00", 2, 4 [pid 9846] <... futex resumed>) = 0 [pid 9847] <... pwrite64 resumed>) = 2 [pid 9846] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9847] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9847] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9846] <... futex resumed>) = 0 [pid 9846] exit_group(0) = ? [pid 9847] <... futex resumed>) = ? [pid 9847] +++ exited with 0 +++ [pid 9846] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9846, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9848 attached , child_tidptr=0x555585adc6d0) = 9848 [pid 9848] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9848] <... set_robust_list resumed>) = 0 [ 425.865412][ T9847] EXT4-fs: quotafile must be on filesystem root [pid 9848] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9848] setpgid(0, 0) = 0 [pid 9848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9848] write(3, "1000", 4) = 4 [pid 9848] close(3) = 0 [pid 9848] write(1, "executing program\n", 18) = 18 executing program [pid 9848] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9848] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9848] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9848] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9848] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9849 attached [pid 9849] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9848] <... clone3 resumed> => {parent_tid=[9849]}, 88) = 9849 [pid 9849] set_robust_list(0x7f0c2cd339a0, 24 [pid 9848] rt_sigprocmask(SIG_SETMASK, [] [pid 9849] <... set_robust_list resumed>) = 0 [pid 9848] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9849] rt_sigprocmask(SIG_SETMASK, [] [pid 9848] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9849] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9848] <... futex resumed>) = 0 [pid 9849] memfd_create("syzkaller", 0 [pid 9848] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9849] <... memfd_create resumed>) = 3 [pid 9849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9849] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9849] munmap(0x7f0c24913000, 138412032) = 0 [pid 9849] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9849] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9849] close(3) = 0 [pid 9849] close(4) = 0 [pid 9849] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9849] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9849] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9849] ioctl(3, LOOP_CLR_FD) = 0 [pid 9849] close(3) = 0 [pid 9849] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9848] <... futex resumed>) = 0 [pid 9849] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9848] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9849] <... futex resumed>) = 0 [pid 9848] <... futex resumed>) = 1 [pid 9849] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9848] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9849] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9849] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9848] <... futex resumed>) = 0 [pid 9849] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9848] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9848] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9849] <... futex resumed>) = 0 [pid 9849] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9849] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9848] <... futex resumed>) = 0 [pid 9849] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9848] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9848] <... futex resumed>) = 0 [pid 9849] pwrite64(3, "\x02\x00", 2, 4 [pid 9848] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9849] <... pwrite64 resumed>) = 2 [pid 9849] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9848] <... futex resumed>) = 0 [pid 9848] exit_group(0 [pid 9849] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9848] <... exit_group resumed>) = ? [pid 9849] <... futex resumed>) = ? [pid 9849] +++ exited with 0 +++ [pid 9848] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9848, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9850 attached , child_tidptr=0x555585adc6d0) = 9850 [pid 9850] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9850] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9850] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9850] setpgid(0, 0) = 0 [ 425.965763][ T9849] EXT4-fs: quotafile must be on filesystem root [pid 9850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9850] write(3, "1000", 4) = 4 [pid 9850] close(3) = 0 [pid 9850] write(1, "executing program\n", 18) = 18 executing program [pid 9850] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9850] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9850] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9850] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9850] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9851 attached [pid 9851] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9850] <... clone3 resumed> => {parent_tid=[9851]}, 88) = 9851 [pid 9851] <... rseq resumed>) = 0 [pid 9851] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9851] rt_sigprocmask(SIG_SETMASK, [] [pid 9850] rt_sigprocmask(SIG_SETMASK, [] [pid 9851] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9851] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9850] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9850] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9851] <... futex resumed>) = 0 [pid 9850] <... futex resumed>) = 1 [pid 9851] memfd_create("syzkaller", 0 [pid 9850] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9851] <... memfd_create resumed>) = 3 [pid 9851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9851] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9851] munmap(0x7f0c24913000, 138412032) = 0 [pid 9851] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9851] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9851] close(3) = 0 [pid 9851] close(4) = 0 [pid 9851] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9851] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9851] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9851] ioctl(3, LOOP_CLR_FD) = 0 [pid 9851] close(3) = 0 [pid 9851] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9850] <... futex resumed>) = 0 [pid 9851] <... futex resumed>) = 1 [pid 9850] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9851] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9850] <... futex resumed>) = 0 [pid 9850] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9851] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9851] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9850] <... futex resumed>) = 0 [pid 9850] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9851] <... futex resumed>) = 0 [pid 9851] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9851] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9850] <... futex resumed>) = 1 [pid 9851] <... futex resumed>) = 0 [pid 9850] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9851] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9850] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9851] pwrite64(3, "\x02\x00", 2, 4 [pid 9850] <... futex resumed>) = 0 [pid 9851] <... pwrite64 resumed>) = 2 [pid 9850] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9851] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9850] <... futex resumed>) = 0 [pid 9850] exit_group(0 [pid 9851] +++ exited with 0 +++ [pid 9850] <... exit_group resumed>) = ? [pid 9850] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 426.070563][ T9851] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9852 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 9852 attached [pid 9852] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9852] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9852] setpgid(0, 0) = 0 [pid 9852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9852] write(3, "1000", 4) = 4 [pid 9852] close(3) = 0 executing program [pid 9852] write(1, "executing program\n", 18) = 18 [pid 9852] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9852] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9852] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9853 attached => {parent_tid=[9853]}, 88) = 9853 [pid 9852] rt_sigprocmask(SIG_SETMASK, [] [pid 9853] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9853] set_robust_list(0x7f0c2cd339a0, 24 [pid 9852] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9852] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9853] <... set_robust_list resumed>) = 0 [pid 9852] <... futex resumed>) = 0 [pid 9853] rt_sigprocmask(SIG_SETMASK, [] [pid 9852] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9853] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9853] memfd_create("syzkaller", 0) = 3 [pid 9853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9853] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9853] munmap(0x7f0c24913000, 138412032) = 0 [pid 9853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9853] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9853] close(3) = 0 [pid 9853] close(4) = 0 [pid 9853] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9853] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9853] ioctl(3, LOOP_CLR_FD) = 0 [pid 9853] close(3) = 0 [pid 9853] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9853] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9852] <... futex resumed>) = 0 [pid 9852] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9853] <... futex resumed>) = 0 [pid 9852] <... futex resumed>) = 1 [pid 9853] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9852] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9853] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9853] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9852] <... futex resumed>) = 0 [pid 9853] <... futex resumed>) = 1 [pid 9852] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9853] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9852] <... futex resumed>) = 0 [pid 9853] <... openat resumed>) = 3 [pid 9852] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9853] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9852] <... futex resumed>) = 0 [pid 9852] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9853] pwrite64(3, "\x02\x00", 2, 4 [pid 9852] <... futex resumed>) = 0 [ 426.190577][ T9853] EXT4-fs: quotafile must be on filesystem root [pid 9852] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9853] <... pwrite64 resumed>) = 2 [pid 9853] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9852] <... futex resumed>) = 0 [pid 9853] <... futex resumed>) = 1 [pid 9852] exit_group(0 [pid 9853] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9852] <... exit_group resumed>) = ? [pid 9853] <... futex resumed>) = ? [pid 9853] +++ exited with 0 +++ [pid 9852] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9854 attached , child_tidptr=0x555585adc6d0) = 9854 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9854] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9854] <... set_robust_list resumed>) = 0 [pid 9854] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9854] setpgid(0, 0) = 0 [pid 9854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9854] write(3, "1000", 4) = 4 [pid 9854] close(3) = 0 [pid 9854] write(1, "executing program\n", 18) = 18 [pid 9854] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9854] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 executing program [pid 9854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9854] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9854] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9855 attached [pid 9855] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9854] <... clone3 resumed> => {parent_tid=[9855]}, 88) = 9855 [pid 9855] <... rseq resumed>) = 0 [pid 9855] set_robust_list(0x7f0c2cd339a0, 24 [pid 9854] rt_sigprocmask(SIG_SETMASK, [] [pid 9855] <... set_robust_list resumed>) = 0 [pid 9854] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9855] rt_sigprocmask(SIG_SETMASK, [] [pid 9854] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9855] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9854] <... futex resumed>) = 0 [pid 9855] memfd_create("syzkaller", 0 [pid 9854] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9855] <... memfd_create resumed>) = 3 [pid 9855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9855] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9855] munmap(0x7f0c24913000, 138412032) = 0 [pid 9855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9855] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9855] close(3) = 0 [pid 9855] close(4) = 0 [pid 9855] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9855] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9855] ioctl(3, LOOP_CLR_FD) = 0 [pid 9855] close(3) = 0 [pid 9855] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9855] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9854] <... futex resumed>) = 0 [pid 9854] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9854] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9855] <... futex resumed>) = 0 [pid 9855] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9855] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9854] <... futex resumed>) = 0 [pid 9855] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9854] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9854] <... futex resumed>) = 0 [pid 9855] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9854] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9855] <... openat resumed>) = 3 [pid 9855] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9854] <... futex resumed>) = 0 [pid 9855] pwrite64(3, "\x02\x00", 2, 4 [pid 9854] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9855] <... pwrite64 resumed>) = 2 [pid 9854] <... futex resumed>) = 0 [pid 9854] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9855] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9854] <... futex resumed>) = 0 [pid 9855] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9854] exit_group(0 [pid 9855] <... futex resumed>) = ? [pid 9854] <... exit_group resumed>) = ? [pid 9855] +++ exited with 0 +++ [pid 9854] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9854, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 426.337579][ T9855] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9856 ci2-upstream-fs/strace-static-x86_64: Process 9856 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9856] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9856] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9856] setpgid(0, 0) = 0 [pid 9856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9856] write(3, "1000", 4) = 4 [pid 9856] close(3) = 0 [pid 9856] write(1, "executing program\n", 18) = 18 executing program [pid 9856] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9856] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9856] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9856] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9857 attached => {parent_tid=[9857]}, 88) = 9857 [pid 9856] rt_sigprocmask(SIG_SETMASK, [] [pid 9857] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9856] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9856] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9857] set_robust_list(0x7f0c2cd339a0, 24 [pid 9856] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9857] <... set_robust_list resumed>) = 0 [pid 9857] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9857] memfd_create("syzkaller", 0) = 3 [pid 9857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9857] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9857] munmap(0x7f0c24913000, 138412032) = 0 [pid 9857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9857] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9857] close(3) = 0 [pid 9857] close(4) = 0 [pid 9857] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9857] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9857] ioctl(3, LOOP_CLR_FD) = 0 [pid 9857] close(3) = 0 [pid 9857] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9856] <... futex resumed>) = 0 [pid 9857] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9856] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9856] <... futex resumed>) = 0 [pid 9857] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9856] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9857] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9857] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9856] <... futex resumed>) = 0 [pid 9857] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9856] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9857] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9856] <... futex resumed>) = 0 [pid 9856] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9857] <... openat resumed>) = 3 [pid 9857] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9856] <... futex resumed>) = 0 [pid 9857] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9856] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9856] <... futex resumed>) = 0 [pid 9857] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9856] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9857] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9856] <... futex resumed>) = 0 [pid 9857] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9856] exit_group(0 [pid 9857] <... futex resumed>) = ? [pid 9857] +++ exited with 0 +++ [pid 9856] <... exit_group resumed>) = ? [pid 9856] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 426.463731][ T9857] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9858 attached , child_tidptr=0x555585adc6d0) = 9858 [pid 9858] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9858] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9858] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9858] setpgid(0, 0) = 0 [pid 9858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9858] write(3, "1000", 4) = 4 [pid 9858] close(3) = 0 [pid 9858] write(1, "executing program\n", 18) = 18 executing program [pid 9858] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9858] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9858] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9858] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9859 attached => {parent_tid=[9859]}, 88) = 9859 [pid 9858] rt_sigprocmask(SIG_SETMASK, [] [pid 9859] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9858] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9859] set_robust_list(0x7f0c2cd339a0, 24 [pid 9858] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9858] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9859] <... set_robust_list resumed>) = 0 [pid 9859] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9859] memfd_create("syzkaller", 0) = 3 [pid 9859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9859] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9859] munmap(0x7f0c24913000, 138412032) = 0 [pid 9859] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9859] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9859] close(3) = 0 [pid 9859] close(4) = 0 [pid 9859] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9859] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9859] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9859] ioctl(3, LOOP_CLR_FD) = 0 [pid 9859] close(3) = 0 [pid 9859] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9858] <... futex resumed>) = 0 [pid 9859] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9858] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9858] <... futex resumed>) = 0 [pid 9859] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9858] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9859] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9859] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9858] <... futex resumed>) = 0 [pid 9859] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9858] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9859] <... openat resumed>) = 3 [pid 9858] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9859] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9858] <... futex resumed>) = 0 [pid 9859] pwrite64(3, "\x02\x00", 2, 4 [pid 9858] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9859] <... pwrite64 resumed>) = 2 [pid 9858] <... futex resumed>) = 0 [pid 9858] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9859] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9858] <... futex resumed>) = 0 [pid 9859] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9858] exit_group(0 [pid 9859] <... futex resumed>) = ? [pid 9858] <... exit_group resumed>) = ? [pid 9859] +++ exited with 0 +++ [pid 9858] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9858, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 426.578046][ T9859] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9860 attached , child_tidptr=0x555585adc6d0) = 9860 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9860] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9860] <... set_robust_list resumed>) = 0 [pid 9860] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9860] setpgid(0, 0) = 0 [pid 9860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9860] write(3, "1000", 4) = 4 [pid 9860] close(3) = 0 [pid 9860] write(1, "executing program\n", 18) = 18 [pid 9860] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9860] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9860] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9860] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9860] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9860] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9861 attached => {parent_tid=[9861]}, 88) = 9861 [pid 9860] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9860] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9861] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9860] <... futex resumed>) = 0 [pid 9861] <... rseq resumed>) = 0 [pid 9860] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9861] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9861] memfd_create("syzkaller", 0) = 3 [pid 9861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9861] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9861] munmap(0x7f0c24913000, 138412032) = 0 [pid 9861] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9861] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9861] close(3) = 0 [pid 9861] close(4) = 0 [pid 9861] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9861] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9861] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9861] ioctl(3, LOOP_CLR_FD) = 0 [pid 9861] close(3) = 0 [pid 9861] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9861] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9860] <... futex resumed>) = 0 [pid 9860] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9861] <... futex resumed>) = 0 [pid 9860] <... futex resumed>) = 1 [pid 9861] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9860] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9861] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9861] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9860] <... futex resumed>) = 0 [pid 9861] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9860] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9860] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9861] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9861] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9860] <... futex resumed>) = 0 [pid 9861] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9860] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9860] <... futex resumed>) = 0 [pid 9861] pwrite64(3, "\x02\x00", 2, 4 [pid 9860] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9861] <... pwrite64 resumed>) = 2 [pid 9861] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9860] <... futex resumed>) = 0 [pid 9861] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9860] exit_group(0 [pid 9861] <... futex resumed>) = ? [pid 9860] <... exit_group resumed>) = ? [pid 9861] +++ exited with 0 +++ [pid 9860] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9860, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9862 attached , child_tidptr=0x555585adc6d0) = 9862 [pid 9862] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9862] <... set_robust_list resumed>) = 0 [pid 9862] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9862] setpgid(0, 0) = 0 [pid 9862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9862] write(3, "1000", 4) = 4 [pid 9862] close(3) = 0 [pid 9862] write(1, "executing program\n", 18) = 18 executing program [pid 9862] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9862] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9862] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9862] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 426.697710][ T9861] EXT4-fs: quotafile must be on filesystem root [pid 9862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9863 attached => {parent_tid=[9863]}, 88) = 9863 [pid 9863] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9862] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9863] <... rseq resumed>) = 0 [pid 9862] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9863] set_robust_list(0x7f0c2cd339a0, 24 [pid 9862] <... futex resumed>) = 0 [pid 9863] <... set_robust_list resumed>) = 0 [pid 9862] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9863] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9863] memfd_create("syzkaller", 0) = 3 [pid 9863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9863] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9863] munmap(0x7f0c24913000, 138412032) = 0 [pid 9863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9863] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9863] close(3) = 0 [pid 9863] close(4) = 0 [pid 9863] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9863] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9863] ioctl(3, LOOP_CLR_FD) = 0 [pid 9863] close(3) = 0 [pid 9863] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9863] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9862] <... futex resumed>) = 0 [pid 9862] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9863] <... futex resumed>) = 0 [pid 9862] <... futex resumed>) = 1 [pid 9863] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9862] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9863] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9863] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9862] <... futex resumed>) = 0 [pid 9863] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9862] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9863] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9862] <... futex resumed>) = 0 [pid 9862] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9863] <... openat resumed>) = 3 [pid 9863] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9862] <... futex resumed>) = 0 [pid 9863] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9862] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9862] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9863] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9863] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9862] <... futex resumed>) = 0 [pid 9863] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9862] exit_group(0) = ? [pid 9863] <... futex resumed>) = ? [pid 9863] +++ exited with 0 +++ [pid 9862] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9862, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9864 attached , child_tidptr=0x555585adc6d0) = 9864 [pid 9864] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9864] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9864] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9864] setpgid(0, 0) = 0 [pid 9864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9864] write(3, "1000", 4) = 4 [pid 9864] close(3) = 0 executing program [pid 9864] write(1, "executing program\n", 18) = 18 [pid 9864] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9864] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9864] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9864] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9865 attached [pid 9865] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9864] <... clone3 resumed> => {parent_tid=[9865]}, 88) = 9865 [pid 9864] rt_sigprocmask(SIG_SETMASK, [] [pid 9865] <... rseq resumed>) = 0 [pid 9865] set_robust_list(0x7f0c2cd339a0, 24 [pid 9864] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9865] <... set_robust_list resumed>) = 0 [pid 9864] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9865] rt_sigprocmask(SIG_SETMASK, [] [pid 9864] <... futex resumed>) = 0 [pid 9865] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9864] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9865] memfd_create("syzkaller", 0) = 3 [pid 9865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [ 426.787186][ T9863] EXT4-fs: quotafile must be on filesystem root [pid 9865] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9865] munmap(0x7f0c24913000, 138412032) = 0 [pid 9865] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9865] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9865] close(3) = 0 [pid 9865] close(4) = 0 [pid 9865] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9865] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9865] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9865] ioctl(3, LOOP_CLR_FD) = 0 [pid 9865] close(3) = 0 [pid 9865] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9864] <... futex resumed>) = 0 [pid 9865] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9864] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9864] <... futex resumed>) = 0 [pid 9865] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9864] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9865] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9865] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9864] <... futex resumed>) = 0 [pid 9865] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9864] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9864] <... futex resumed>) = 0 [pid 9865] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9864] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9865] <... openat resumed>) = 3 [pid 9865] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9864] <... futex resumed>) = 0 [pid 9864] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9864] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9865] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9865] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9864] <... futex resumed>) = 0 [pid 9864] exit_group(0) = ? [pid 9865] +++ exited with 0 +++ [pid 9864] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9864, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9866 attached [pid 9866] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9866] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9866 [pid 9866] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9866] <... prctl resumed>) = 0 [pid 9866] setpgid(0, 0) = 0 [pid 9866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9866] write(3, "1000", 4) = 4 [pid 9866] close(3) = 0 [pid 9866] write(1, "executing program\n", 18) = 18 [pid 9866] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [ 426.884027][ T9865] EXT4-fs: quotafile must be on filesystem root [pid 9866] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9866] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9866] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9866] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9867]}, 88) = 9867 ci2-upstream-fs/strace-static-x86_64: Process 9867 attached [pid 9866] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9867] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9866] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9867] <... rseq resumed>) = 0 [pid 9866] <... futex resumed>) = 0 [pid 9866] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9867] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9867] memfd_create("syzkaller", 0) = 3 [pid 9867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9867] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9867] munmap(0x7f0c24913000, 138412032) = 0 [pid 9867] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9867] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9867] close(3) = 0 [pid 9867] close(4) = 0 [pid 9867] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9867] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9867] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9867] ioctl(3, LOOP_CLR_FD) = 0 [pid 9867] close(3) = 0 [pid 9867] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9867] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9866] <... futex resumed>) = 0 [pid 9866] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9867] <... futex resumed>) = 0 [pid 9866] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9867] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9867] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9867] <... futex resumed>) = 0 [pid 9867] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9866] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9866] <... futex resumed>) = 0 [pid 9867] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9866] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9867] <... openat resumed>) = 3 [pid 9867] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9866] <... futex resumed>) = 0 [pid 9866] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9867] pwrite64(3, "\x02\x00", 2, 4 [pid 9866] <... futex resumed>) = 0 [pid 9867] <... pwrite64 resumed>) = 2 [pid 9866] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9867] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9866] exit_group(0 [pid 9867] <... futex resumed>) = ? [pid 9866] <... exit_group resumed>) = ? [pid 9867] +++ exited with 0 +++ [pid 9866] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9866, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9868 attached [ 426.973580][ T9867] EXT4-fs: quotafile must be on filesystem root [pid 9868] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9868 [pid 9868] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9868] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9868] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9868] setpgid(0, 0) = 0 [pid 9868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9868] write(3, "1000", 4) = 4 [pid 9868] close(3) = 0 [pid 9868] write(1, "executing program\n", 18) = 18 executing program [pid 9868] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9868] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9868] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9868] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9869 attached => {parent_tid=[9869]}, 88) = 9869 [pid 9868] rt_sigprocmask(SIG_SETMASK, [] [pid 9869] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9868] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9869] <... rseq resumed>) = 0 [pid 9868] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9869] set_robust_list(0x7f0c2cd339a0, 24 [pid 9868] <... futex resumed>) = 0 [pid 9869] <... set_robust_list resumed>) = 0 [pid 9868] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9869] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9869] memfd_create("syzkaller", 0) = 3 [pid 9869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9869] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9869] munmap(0x7f0c24913000, 138412032) = 0 [pid 9869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9869] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9869] close(3) = 0 [pid 9869] close(4) = 0 [pid 9869] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9869] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9869] ioctl(3, LOOP_CLR_FD) = 0 [pid 9869] close(3) = 0 [pid 9869] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9869] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9868] <... futex resumed>) = 0 [pid 9868] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9869] <... futex resumed>) = 0 [pid 9868] <... futex resumed>) = 1 [pid 9869] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9868] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9869] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9868] <... futex resumed>) = 0 [pid 9868] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9869] <... futex resumed>) = 1 [pid 9868] <... futex resumed>) = 0 [pid 9869] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9868] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9869] <... openat resumed>) = 3 [pid 9869] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9868] <... futex resumed>) = 0 [pid 9868] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9869] pwrite64(3, "\x02\x00", 2, 4 [pid 9868] <... futex resumed>) = 0 [pid 9869] <... pwrite64 resumed>) = 2 [pid 9868] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9869] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9869] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9868] <... futex resumed>) = 0 [pid 9868] exit_group(0) = ? [pid 9869] <... futex resumed>) = ? [pid 9869] +++ exited with 0 +++ [pid 9868] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9870 attached , child_tidptr=0x555585adc6d0) = 9870 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9870] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9870] <... set_robust_list resumed>) = 0 [pid 9870] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9870] setpgid(0, 0) = 0 [ 427.079188][ T9869] EXT4-fs: quotafile must be on filesystem root [pid 9870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9870] write(3, "1000", 4) = 4 [pid 9870] close(3) = 0 executing program [pid 9870] write(1, "executing program\n", 18) = 18 [pid 9870] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9870] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9870] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9870] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9871 attached [pid 9871] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9870] <... clone3 resumed> => {parent_tid=[9871]}, 88) = 9871 [pid 9871] set_robust_list(0x7f0c2cd339a0, 24 [pid 9870] rt_sigprocmask(SIG_SETMASK, [] [pid 9871] <... set_robust_list resumed>) = 0 [pid 9870] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9871] rt_sigprocmask(SIG_SETMASK, [] [pid 9870] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9871] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9870] <... futex resumed>) = 0 [pid 9870] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9871] memfd_create("syzkaller", 0) = 3 [pid 9871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9871] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9871] munmap(0x7f0c24913000, 138412032) = 0 [pid 9871] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9871] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9871] close(3) = 0 [pid 9871] close(4) = 0 [pid 9871] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9871] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9871] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9871] ioctl(3, LOOP_CLR_FD) = 0 [pid 9871] close(3) = 0 [pid 9871] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9870] <... futex resumed>) = 0 [pid 9871] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9870] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9871] <... futex resumed>) = 0 [pid 9870] <... futex resumed>) = 1 [pid 9871] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9870] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9871] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9871] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9870] <... futex resumed>) = 0 [pid 9870] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9870] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9871] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9871] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9870] <... futex resumed>) = 0 [pid 9870] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9870] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9871] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9871] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9871] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9870] exit_group(0 [pid 9871] <... futex resumed>) = ? [pid 9870] <... exit_group resumed>) = ? [pid 9871] +++ exited with 0 +++ [pid 9870] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9870, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 427.181580][ T9871] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9872 attached , child_tidptr=0x555585adc6d0) = 9872 [pid 9872] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9872] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9872] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9872] setpgid(0, 0) = 0 [pid 9872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9872] write(3, "1000", 4) = 4 [pid 9872] close(3) = 0 [pid 9872] write(1, "executing program\n", 18) = 18 executing program [pid 9872] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9872] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9872] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9872] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9872] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9873 attached => {parent_tid=[9873]}, 88) = 9873 [pid 9872] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9872] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9873] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9872] <... futex resumed>) = 0 [pid 9872] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9873] <... rseq resumed>) = 0 [pid 9873] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9873] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9873] memfd_create("syzkaller", 0) = 3 [pid 9873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9873] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9873] munmap(0x7f0c24913000, 138412032) = 0 [pid 9873] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9873] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9873] close(3) = 0 [pid 9873] close(4) = 0 [pid 9873] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9873] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9873] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9873] ioctl(3, LOOP_CLR_FD) = 0 [pid 9873] close(3) = 0 [pid 9873] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9872] <... futex resumed>) = 0 [pid 9873] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9872] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9872] <... futex resumed>) = 0 [pid 9873] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9872] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9873] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9873] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9872] <... futex resumed>) = 0 [pid 9873] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9872] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9872] <... futex resumed>) = 0 [pid 9873] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9872] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9873] <... openat resumed>) = 3 [pid 9873] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9872] <... futex resumed>) = 0 [pid 9873] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9872] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9872] <... futex resumed>) = 0 [pid 9873] pwrite64(3, "\x02\x00", 2, 4 [pid 9872] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9873] <... pwrite64 resumed>) = 2 [pid 9873] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9872] <... futex resumed>) = 0 [pid 9873] <... futex resumed>) = 1 [pid 9872] exit_group(0 [pid 9873] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9872] <... exit_group resumed>) = ? [pid 9873] +++ exited with 0 +++ [pid 9872] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9872, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 427.277507][ T9873] EXT4-fs: quotafile must be on filesystem root rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9874 attached , child_tidptr=0x555585adc6d0) = 9874 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9874] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9874] <... set_robust_list resumed>) = 0 [pid 9874] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9874] setpgid(0, 0) = 0 [pid 9874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9874] write(3, "1000", 4) = 4 [pid 9874] close(3) = 0 [pid 9874] write(1, "executing program\n", 18) = 18 executing program [pid 9874] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9874] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9874] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9874] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9874] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9875]}, 88) = 9875 [pid 9874] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9874] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9874] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-upstream-fs/strace-static-x86_64: Process 9875 attached [pid 9875] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9875] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9875] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9875] memfd_create("syzkaller", 0) = 3 [pid 9875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9875] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9875] munmap(0x7f0c24913000, 138412032) = 0 [pid 9875] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9875] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9875] close(3) = 0 [pid 9875] close(4) = 0 [pid 9875] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9875] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9875] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9875] ioctl(3, LOOP_CLR_FD) = 0 [pid 9875] close(3) = 0 [pid 9875] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9874] <... futex resumed>) = 0 [pid 9875] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9874] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9874] <... futex resumed>) = 0 [pid 9875] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9874] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9875] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9875] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9875] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9874] <... futex resumed>) = 0 [pid 9875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9874] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9875] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9874] <... futex resumed>) = 0 [pid 9875] <... openat resumed>) = 3 [pid 9874] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9875] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9874] <... futex resumed>) = 0 [pid 9874] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9875] pwrite64(3, "\x02\x00", 2, 4 [pid 9874] <... futex resumed>) = 0 [pid 9875] <... pwrite64 resumed>) = 2 [pid 9874] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9875] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9874] <... futex resumed>) = 0 [pid 9875] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9874] exit_group(0 [pid 9875] <... futex resumed>) = ? [ 427.376760][ T9875] EXT4-fs: quotafile must be on filesystem root [pid 9874] <... exit_group resumed>) = ? [pid 9875] +++ exited with 0 +++ [pid 9874] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9874, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9876 attached , child_tidptr=0x555585adc6d0) = 9876 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9876] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9876] <... set_robust_list resumed>) = 0 [pid 9876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9876] setpgid(0, 0) = 0 [pid 9876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9876] write(3, "1000", 4) = 4 [pid 9876] close(3) = 0 [pid 9876] write(1, "executing program\n", 18) = 18 executing program [pid 9876] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9876] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9876] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9876] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9877 attached => {parent_tid=[9877]}, 88) = 9877 [pid 9877] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9876] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9876] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9877] <... rseq resumed>) = 0 [pid 9877] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9877] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9877] memfd_create("syzkaller", 0) = 3 [pid 9877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9877] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9877] munmap(0x7f0c24913000, 138412032) = 0 [pid 9877] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9877] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9877] close(3) = 0 [pid 9877] close(4) = 0 [pid 9877] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9877] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9877] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9877] ioctl(3, LOOP_CLR_FD) = 0 [pid 9877] close(3) = 0 [pid 9877] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9877] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9876] <... futex resumed>) = 0 [pid 9876] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9876] <... futex resumed>) = 0 [pid 9877] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9876] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9877] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9876] <... futex resumed>) = 0 [pid 9876] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9877] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9876] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9877] <... openat resumed>) = 3 [pid 9877] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9876] <... futex resumed>) = 0 [pid 9876] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9877] pwrite64(3, "\x02\x00", 2, 4 [pid 9876] <... futex resumed>) = 0 [pid 9876] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9877] <... pwrite64 resumed>) = 2 [pid 9877] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9876] <... futex resumed>) = 0 [pid 9876] exit_group(0 [pid 9877] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9876] <... exit_group resumed>) = ? [pid 9877] <... futex resumed>) = ? [pid 9877] +++ exited with 0 +++ [pid 9876] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9876, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9878 [ 427.512552][ T9877] EXT4-fs: quotafile must be on filesystem root ci2-upstream-fs/strace-static-x86_64: Process 9878 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9878] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9878] setpgid(0, 0) = 0 [pid 9878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9878] write(3, "1000", 4) = 4 [pid 9878] close(3) = 0 [pid 9878] write(1, "executing program\n", 18) = 18 [pid 9878] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9878] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9878] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9878] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9878] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9879 attached [pid 9879] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9878] <... clone3 resumed> => {parent_tid=[9879]}, 88) = 9879 [pid 9879] <... rseq resumed>) = 0 [pid 9878] rt_sigprocmask(SIG_SETMASK, [] [pid 9879] set_robust_list(0x7f0c2cd339a0, 24 [pid 9878] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9879] <... set_robust_list resumed>) = 0 [pid 9878] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9879] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9878] <... futex resumed>) = 0 [pid 9879] memfd_create("syzkaller", 0 [pid 9878] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9879] <... memfd_create resumed>) = 3 [pid 9879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9879] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9879] munmap(0x7f0c24913000, 138412032) = 0 [pid 9879] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9879] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9879] close(3) = 0 [pid 9879] close(4) = 0 [pid 9879] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9879] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9879] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9879] ioctl(3, LOOP_CLR_FD) = 0 [pid 9879] close(3) = 0 [pid 9879] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9878] <... futex resumed>) = 0 [pid 9879] <... futex resumed>) = 1 [pid 9878] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9879] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9878] <... futex resumed>) = 0 [pid 9879] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9878] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9879] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9878] <... futex resumed>) = 0 [pid 9879] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9878] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9878] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9879] <... openat resumed>) = 3 [pid 9879] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9878] <... futex resumed>) = 0 [pid 9879] <... futex resumed>) = 1 [pid 9878] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9879] pwrite64(3, "\x02\x00", 2, 4 [pid 9878] <... futex resumed>) = 0 [pid 9878] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9879] <... pwrite64 resumed>) = 2 [pid 9879] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9878] <... futex resumed>) = 0 [pid 9879] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9878] exit_group(0 [pid 9879] <... futex resumed>) = ? [pid 9878] <... exit_group resumed>) = ? [pid 9879] +++ exited with 0 +++ [pid 9878] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 427.621780][ T9879] EXT4-fs: quotafile must be on filesystem root clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9880 attached , child_tidptr=0x555585adc6d0) = 9880 [pid 9880] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9880] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9880] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9880] setpgid(0, 0) = 0 [pid 9880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9880] write(3, "1000", 4) = 4 [pid 9880] close(3) = 0 [pid 9880] write(1, "executing program\n", 18) = 18 executing program [pid 9880] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9880] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9880] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9880] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9880] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9881 attached => {parent_tid=[9881]}, 88) = 9881 [pid 9880] rt_sigprocmask(SIG_SETMASK, [] [pid 9881] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9880] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9881] <... rseq resumed>) = 0 [pid 9880] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9881] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9880] <... futex resumed>) = 0 [pid 9880] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9881] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9881] memfd_create("syzkaller", 0) = 3 [pid 9881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9881] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9881] munmap(0x7f0c24913000, 138412032) = 0 [pid 9881] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9881] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9881] close(3) = 0 [pid 9881] close(4) = 0 [pid 9881] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9881] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9881] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9881] ioctl(3, LOOP_CLR_FD) = 0 [pid 9881] close(3) = 0 [pid 9881] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9880] <... futex resumed>) = 0 [pid 9881] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9880] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9881] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9880] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9881] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9880] <... futex resumed>) = 0 [pid 9880] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9881] <... futex resumed>) = 1 [pid 9880] <... futex resumed>) = 0 [pid 9881] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9880] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9881] <... openat resumed>) = 3 [ 427.760238][ T9881] EXT4-fs: quotafile must be on filesystem root [pid 9881] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9881] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9880] <... futex resumed>) = 0 [pid 9880] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9880] <... futex resumed>) = 0 [pid 9881] pwrite64(3, "\x02\x00", 2, 4 [pid 9880] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9881] <... pwrite64 resumed>) = 2 [pid 9881] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9880] <... futex resumed>) = 0 [pid 9881] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9880] exit_group(0 [pid 9881] <... futex resumed>) = ? [pid 9880] <... exit_group resumed>) = ? [pid 9881] +++ exited with 0 +++ [pid 9880] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9880, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9882 attached , child_tidptr=0x555585adc6d0) = 9882 [pid 9882] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9882] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9882] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9882] setpgid(0, 0) = 0 [pid 9882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9882] write(3, "1000", 4) = 4 [pid 9882] close(3) = 0 [pid 9882] write(1, "executing program\n", 18) = 18 executing program [pid 9882] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9882] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9882] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9882] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9883 attached [pid 9883] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9883] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9883] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9883] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9882] <... clone3 resumed> => {parent_tid=[9883]}, 88) = 9883 [pid 9882] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9882] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9883] <... futex resumed>) = 0 [pid 9882] <... futex resumed>) = 1 [pid 9883] memfd_create("syzkaller", 0 [pid 9882] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9883] <... memfd_create resumed>) = 3 [pid 9883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9883] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9883] munmap(0x7f0c24913000, 138412032) = 0 [pid 9883] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9883] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9883] close(3) = 0 [pid 9883] close(4) = 0 [pid 9883] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9883] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9883] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9883] ioctl(3, LOOP_CLR_FD) = 0 [pid 9883] close(3) = 0 [pid 9883] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9882] <... futex resumed>) = 0 [pid 9883] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9882] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9882] <... futex resumed>) = 0 [pid 9883] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9882] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9883] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9883] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9882] <... futex resumed>) = 0 [pid 9882] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9883] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9882] <... futex resumed>) = 0 [pid 9883] <... openat resumed>) = 3 [pid 9882] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9883] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9883] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9882] <... futex resumed>) = 0 [pid 9882] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9882] <... futex resumed>) = 0 [pid 9883] pwrite64(3, "\x02\x00", 2, 4 [pid 9882] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9883] <... pwrite64 resumed>) = 2 [pid 9883] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9882] <... futex resumed>) = 0 [pid 9883] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9882] exit_group(0 [pid 9883] <... futex resumed>) = ? [pid 9882] <... exit_group resumed>) = ? [pid 9883] +++ exited with 0 +++ [pid 9882] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9882, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9884 attached , child_tidptr=0x555585adc6d0) = 9884 [pid 9884] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9884] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9884] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 427.897103][ T9883] EXT4-fs: quotafile must be on filesystem root [pid 9884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9884] setpgid(0, 0) = 0 [pid 9884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9884] write(3, "1000", 4) = 4 [pid 9884] close(3) = 0 [pid 9884] write(1, "executing program\n", 18) = 18 executing program [pid 9884] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9884] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9884] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9884] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9884] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9885 attached [pid 9885] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9884] <... clone3 resumed> => {parent_tid=[9885]}, 88) = 9885 [pid 9885] <... rseq resumed>) = 0 [pid 9885] set_robust_list(0x7f0c2cd339a0, 24 [pid 9884] rt_sigprocmask(SIG_SETMASK, [] [pid 9885] <... set_robust_list resumed>) = 0 [pid 9884] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9885] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9884] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9885] memfd_create("syzkaller", 0 [pid 9884] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9885] <... memfd_create resumed>) = 3 [pid 9885] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9885] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9885] munmap(0x7f0c24913000, 138412032) = 0 [pid 9885] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9885] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9885] close(3) = 0 [pid 9885] close(4) = 0 [pid 9885] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9885] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9885] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9885] ioctl(3, LOOP_CLR_FD) = 0 [pid 9885] close(3) = 0 [pid 9885] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9884] <... futex resumed>) = 0 [pid 9885] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9884] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9885] <... futex resumed>) = 0 [pid 9884] <... futex resumed>) = 1 [pid 9885] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9884] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9885] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9885] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9884] <... futex resumed>) = 0 [pid 9884] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9885] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9884] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9885] <... openat resumed>) = 3 [pid 9885] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9884] <... futex resumed>) = 0 [pid 9885] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9884] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9884] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9885] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9885] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9884] <... futex resumed>) = 0 [pid 9885] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9884] exit_group(0) = ? [pid 9885] <... futex resumed>) = ? [pid 9885] +++ exited with 0 +++ [pid 9884] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9884, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9886 attached , child_tidptr=0x555585adc6d0) = 9886 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9886] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9886] <... set_robust_list resumed>) = 0 [ 428.001979][ T9885] EXT4-fs: quotafile must be on filesystem root [pid 9886] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9886] setpgid(0, 0) = 0 [pid 9886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9886] write(3, "1000", 4) = 4 [pid 9886] close(3) = 0 [pid 9886] write(1, "executing program\n", 18) = 18 executing program [pid 9886] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9886] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9886] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9886] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9886] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9887]}, 88) = 9887 [pid 9886] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 9887 attached , NULL, 8) = 0 [pid 9886] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9886] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9887] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9887] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9887] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9887] memfd_create("syzkaller", 0) = 3 [pid 9887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9887] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9887] munmap(0x7f0c24913000, 138412032) = 0 [pid 9887] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9887] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9887] close(3) = 0 [pid 9887] close(4) = 0 [pid 9887] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9887] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9887] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9887] ioctl(3, LOOP_CLR_FD) = 0 [pid 9887] close(3) = 0 [pid 9887] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9887] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9886] <... futex resumed>) = 0 [pid 9886] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9887] <... futex resumed>) = 0 [pid 9886] <... futex resumed>) = 1 [pid 9887] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9886] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9887] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9886] <... futex resumed>) = 0 [pid 9886] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9886] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9887] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9887] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9886] <... futex resumed>) = 0 [pid 9887] <... futex resumed>) = 1 [pid 9886] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9887] pwrite64(3, "\x02\x00", 2, 4 [pid 9886] <... futex resumed>) = 0 [pid 9887] <... pwrite64 resumed>) = 2 [pid 9886] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9887] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9886] <... futex resumed>) = 0 [pid 9887] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9886] exit_group(0 [pid 9887] <... futex resumed>) = ? [pid 9887] +++ exited with 0 +++ [pid 9886] <... exit_group resumed>) = ? [pid 9886] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9886, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 428.103784][ T9887] set_capacity_and_notify: 35 callbacks suppressed [ 428.104261][ T9887] loop0: detected capacity change from 0 to 512 [ 428.107655][ T9887] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9888 attached , child_tidptr=0x555585adc6d0) = 9888 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9888] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9888] <... set_robust_list resumed>) = 0 [pid 9888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9888] setpgid(0, 0) = 0 [pid 9888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9888] write(3, "1000", 4) = 4 [pid 9888] close(3) = 0 [pid 9888] write(1, "executing program\n", 18) = 18 executing program [pid 9888] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9888] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9888] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9888] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9888] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9889 attached => {parent_tid=[9889]}, 88) = 9889 [pid 9889] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9888] rt_sigprocmask(SIG_SETMASK, [] [pid 9889] <... rseq resumed>) = 0 [pid 9888] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9889] set_robust_list(0x7f0c2cd339a0, 24 [pid 9888] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9889] <... set_robust_list resumed>) = 0 [pid 9888] <... futex resumed>) = 0 [pid 9889] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9888] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9889] memfd_create("syzkaller", 0) = 3 [pid 9889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9889] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9889] munmap(0x7f0c24913000, 138412032) = 0 [pid 9889] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9889] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9889] close(3) = 0 [pid 9889] close(4) = 0 [pid 9889] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9889] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9889] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9889] ioctl(3, LOOP_CLR_FD) = 0 [pid 9889] close(3) = 0 [pid 9889] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9888] <... futex resumed>) = 0 [pid 9889] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9888] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9889] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9888] <... futex resumed>) = 0 [pid 9888] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9889] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9888] <... futex resumed>) = 0 [pid 9888] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9889] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9888] <... futex resumed>) = 0 [pid 9889] <... openat resumed>) = 3 [pid 9888] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9889] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9888] <... futex resumed>) = 0 [pid 9888] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9889] pwrite64(3, "\x02\x00", 2, 4 [pid 9888] <... futex resumed>) = 0 [pid 9889] <... pwrite64 resumed>) = 2 [pid 9889] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9888] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9889] <... futex resumed>) = 0 [pid 9888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9889] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9888] exit_group(0 [pid 9889] <... futex resumed>) = ? [pid 9888] <... exit_group resumed>) = ? [pid 9889] +++ exited with 0 +++ [pid 9888] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9888, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 428.255449][ T9889] loop0: detected capacity change from 0 to 512 [ 428.265641][ T9889] EXT4-fs: quotafile must be on filesystem root close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585adc6d0) = 9890 ci2-upstream-fs/strace-static-x86_64: Process 9890 attached [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9890] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9890] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9890] setpgid(0, 0) = 0 [pid 9890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9890] write(3, "1000", 4) = 4 [pid 9890] close(3) = 0 [pid 9890] write(1, "executing program\n", 18) = 18 [pid 9890] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9890] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9890] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9890] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9890] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9891 attached [pid 9891] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9890] <... clone3 resumed> => {parent_tid=[9891]}, 88) = 9891 [pid 9891] <... rseq resumed>) = 0 [pid 9890] rt_sigprocmask(SIG_SETMASK, [] [pid 9891] set_robust_list(0x7f0c2cd339a0, 24 [pid 9890] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9891] <... set_robust_list resumed>) = 0 [pid 9890] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9891] rt_sigprocmask(SIG_SETMASK, [] [pid 9890] <... futex resumed>) = 0 [pid 9891] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9890] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9891] memfd_create("syzkaller", 0) = 3 [pid 9891] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9891] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9891] munmap(0x7f0c24913000, 138412032) = 0 [pid 9891] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9891] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9891] close(3) = 0 [pid 9891] close(4) = 0 [pid 9891] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9891] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9891] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9891] ioctl(3, LOOP_CLR_FD) = 0 [pid 9891] close(3) = 0 [pid 9891] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9890] <... futex resumed>) = 0 [pid 9891] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9890] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9890] <... futex resumed>) = 0 [pid 9891] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9890] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9891] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9891] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9890] <... futex resumed>) = 0 [pid 9891] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9890] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9890] <... futex resumed>) = 0 [pid 9891] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9890] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9891] <... openat resumed>) = 3 [pid 9891] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9890] <... futex resumed>) = 0 [pid 9891] pwrite64(3, "\x02\x00", 2, 4 [pid 9890] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9891] <... pwrite64 resumed>) = 2 [pid 9890] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9891] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9891] <... futex resumed>) = 0 [pid 9891] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9890] exit_group(0 [pid 9891] <... futex resumed>) = ? [pid 9890] <... exit_group resumed>) = ? [ 428.369219][ T9891] loop0: detected capacity change from 0 to 512 [ 428.375711][ T9891] EXT4-fs: quotafile must be on filesystem root [pid 9891] +++ exited with 0 +++ [pid 9890] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9890, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9892 attached , child_tidptr=0x555585adc6d0) = 9892 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9892] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9892] <... set_robust_list resumed>) = 0 [pid 9892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9892] setpgid(0, 0) = 0 [pid 9892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9892] write(3, "1000", 4) = 4 [pid 9892] close(3) = 0 [pid 9892] write(1, "executing program\n", 18) = 18 executing program [pid 9892] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9892] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9892] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9892] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9893 attached [pid 9893] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9892] <... clone3 resumed> => {parent_tid=[9893]}, 88) = 9893 [pid 9893] <... rseq resumed>) = 0 [pid 9892] rt_sigprocmask(SIG_SETMASK, [] [pid 9893] set_robust_list(0x7f0c2cd339a0, 24 [pid 9892] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9893] <... set_robust_list resumed>) = 0 [pid 9893] rt_sigprocmask(SIG_SETMASK, [] [pid 9892] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9893] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9892] <... futex resumed>) = 0 [pid 9893] memfd_create("syzkaller", 0 [pid 9892] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9893] <... memfd_create resumed>) = 3 [pid 9893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9893] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9893] munmap(0x7f0c24913000, 138412032) = 0 [pid 9893] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9893] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9893] close(3) = 0 [pid 9893] close(4) = 0 [pid 9893] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9893] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9893] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9893] ioctl(3, LOOP_CLR_FD) = 0 [pid 9893] close(3) = 0 [pid 9893] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9892] <... futex resumed>) = 0 [pid 9893] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9892] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9893] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9892] <... futex resumed>) = 0 [pid 9892] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9893] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9893] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9892] <... futex resumed>) = 0 [pid 9893] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9892] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9893] <... openat resumed>) = 3 [pid 9893] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9892] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9893] <... futex resumed>) = 0 [pid 9892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9893] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9892] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9892] <... futex resumed>) = 0 [pid 9893] pwrite64(3, "\x02\x00", 2, 4 [pid 9892] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9893] <... pwrite64 resumed>) = 2 [pid 9893] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9892] <... futex resumed>) = 0 [pid 9893] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9892] exit_group(0) = ? [pid 9893] <... futex resumed>) = ? [pid 9893] +++ exited with 0 +++ [pid 9892] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9892, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 428.515475][ T9893] loop0: detected capacity change from 0 to 512 [ 428.520907][ T9893] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9894 attached , child_tidptr=0x555585adc6d0) = 9894 [pid 9894] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9894] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9894] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9894] setpgid(0, 0) = 0 [pid 9894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9894] write(3, "1000", 4) = 4 [pid 9894] close(3) = 0 [pid 9894] write(1, "executing program\n", 18) = 18 [pid 9894] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9894] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9894] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 executing program [pid 9894] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9894] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9895 attached [pid 9895] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9894] <... clone3 resumed> => {parent_tid=[9895]}, 88) = 9895 [pid 9895] <... rseq resumed>) = 0 [pid 9894] rt_sigprocmask(SIG_SETMASK, [] [pid 9895] set_robust_list(0x7f0c2cd339a0, 24 [pid 9894] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9895] <... set_robust_list resumed>) = 0 [pid 9894] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9895] rt_sigprocmask(SIG_SETMASK, [] [pid 9894] <... futex resumed>) = 0 [pid 9895] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9894] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9895] memfd_create("syzkaller", 0) = 3 [pid 9895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9895] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9895] munmap(0x7f0c24913000, 138412032) = 0 [pid 9895] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9895] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9895] close(3) = 0 [pid 9895] close(4) = 0 [pid 9895] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9895] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9895] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9895] ioctl(3, LOOP_CLR_FD) = 0 [pid 9895] close(3) = 0 [pid 9895] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9894] <... futex resumed>) = 0 [pid 9895] <... futex resumed>) = 1 [pid 9894] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9895] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9894] <... futex resumed>) = 0 [pid 9895] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9894] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9895] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9894] <... futex resumed>) = 0 [pid 9894] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9895] <... futex resumed>) = 1 [pid 9894] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9895] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9895] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9894] <... futex resumed>) = 0 [pid 9895] pwrite64(3, "\x02\x00", 2, 4 [pid 9894] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9895] <... pwrite64 resumed>) = 2 [pid 9894] <... futex resumed>) = 0 [pid 9895] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9894] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9895] <... futex resumed>) = 0 [pid 9895] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9894] exit_group(0 [pid 9895] <... futex resumed>) = ? [pid 9894] <... exit_group resumed>) = ? [pid 9895] +++ exited with 0 +++ [pid 9894] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 428.635450][ T9895] loop0: detected capacity change from 0 to 512 [ 428.648917][ T9895] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9896 attached , child_tidptr=0x555585adc6d0) = 9896 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9896] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9896] <... set_robust_list resumed>) = 0 [pid 9896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9896] setpgid(0, 0) = 0 [pid 9896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9896] write(3, "1000", 4) = 4 [pid 9896] close(3) = 0 [pid 9896] write(1, "executing program\n", 18) = 18 executing program [pid 9896] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9896] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9896] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9896] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9896] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9896] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9896] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9897 attached => {parent_tid=[9897]}, 88) = 9897 [pid 9896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9897] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9896] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9897] <... rseq resumed>) = 0 [pid 9896] <... futex resumed>) = 0 [pid 9897] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9896] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9897] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9897] memfd_create("syzkaller", 0) = 3 [pid 9897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9897] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9897] munmap(0x7f0c24913000, 138412032) = 0 [pid 9897] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9897] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9897] close(3) = 0 [pid 9897] close(4) = 0 [pid 9897] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9897] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9897] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9897] ioctl(3, LOOP_CLR_FD) = 0 [pid 9897] close(3) = 0 [pid 9897] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9897] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9896] <... futex resumed>) = 0 [pid 9896] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9897] <... futex resumed>) = 0 [pid 9896] <... futex resumed>) = 1 [pid 9897] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9896] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9897] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9896] <... futex resumed>) = 0 [pid 9896] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9897] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9896] <... futex resumed>) = 0 [pid 9896] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9897] <... openat resumed>) = 3 [pid 9897] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9896] <... futex resumed>) = 0 [pid 9897] <... futex resumed>) = 1 [pid 9896] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9897] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9896] <... futex resumed>) = 0 [pid 9896] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9897] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9897] <... futex resumed>) = 0 [pid 9896] exit_group(0 [pid 9897] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 9897] +++ exited with 0 +++ [pid 9896] <... exit_group resumed>) = ? [pid 9896] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9896, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [ 428.755084][ T9897] loop0: detected capacity change from 0 to 512 [ 428.759974][ T9897] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9898 attached [pid 9898] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9898] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9898 [pid 9898] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9898] <... prctl resumed>) = 0 [pid 9898] setpgid(0, 0) = 0 [pid 9898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9898] write(3, "1000", 4) = 4 [pid 9898] close(3) = 0 [pid 9898] write(1, "executing program\n", 18) = 18 executing program [pid 9898] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9898] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9898] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9898] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9898] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9899]}, 88) = 9899 ci2-upstream-fs/strace-static-x86_64: Process 9899 attached [pid 9898] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9899] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9898] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9898] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9899] <... rseq resumed>) = 0 [pid 9899] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9899] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9899] memfd_create("syzkaller", 0) = 3 [pid 9899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9899] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9899] munmap(0x7f0c24913000, 138412032) = 0 [pid 9899] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9899] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9899] close(3) = 0 [pid 9899] close(4) = 0 [pid 9899] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9899] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9899] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9899] ioctl(3, LOOP_CLR_FD) = 0 [pid 9899] close(3) = 0 [pid 9899] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9899] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9898] <... futex resumed>) = 0 [pid 9898] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9899] <... futex resumed>) = 0 [pid 9898] <... futex resumed>) = 1 [pid 9899] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9898] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9899] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9899] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9898] <... futex resumed>) = 0 [pid 9899] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9898] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9898] <... futex resumed>) = 0 [pid 9899] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9898] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9899] <... openat resumed>) = 3 [ 428.885306][ T9899] loop0: detected capacity change from 0 to 512 [ 428.890652][ T9899] EXT4-fs: quotafile must be on filesystem root [pid 9899] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9898] <... futex resumed>) = 0 [pid 9899] pwrite64(3, "\x02\x00", 2, 4 [pid 9898] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9899] <... pwrite64 resumed>) = 2 [pid 9898] <... futex resumed>) = 0 [pid 9899] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9898] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9899] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9898] exit_group(0 [pid 9899] <... futex resumed>) = ? [pid 9898] <... exit_group resumed>) = ? [pid 9899] +++ exited with 0 +++ [pid 9898] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9898, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9900 attached , child_tidptr=0x555585adc6d0) = 9900 [pid 9900] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9900] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9900] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9900] setpgid(0, 0) = 0 [pid 9900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9900] write(3, "1000", 4) = 4 [pid 9900] close(3) = 0 [pid 9900] write(1, "executing program\n", 18) = 18 executing program [pid 9900] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9900] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9900] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9900] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9900] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9901 attached [pid 9901] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9901] set_robust_list(0x7f0c2cd339a0, 24 [pid 9900] <... clone3 resumed> => {parent_tid=[9901]}, 88) = 9901 [pid 9900] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9901] <... set_robust_list resumed>) = 0 [pid 9900] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9901] rt_sigprocmask(SIG_SETMASK, [] [pid 9900] <... futex resumed>) = 0 [pid 9901] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9900] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9901] memfd_create("syzkaller", 0) = 3 [pid 9901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9901] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9901] munmap(0x7f0c24913000, 138412032) = 0 [pid 9901] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9901] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9901] close(3) = 0 [pid 9901] close(4) = 0 [pid 9901] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9901] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9901] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9901] ioctl(3, LOOP_CLR_FD) = 0 [pid 9901] close(3) = 0 [pid 9901] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9900] <... futex resumed>) = 0 [pid 9901] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9900] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9901] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9900] <... futex resumed>) = 0 [pid 9901] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9900] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9901] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9900] <... futex resumed>) = 0 [pid 9901] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9900] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9901] <... openat resumed>) = 3 [pid 9900] <... futex resumed>) = 0 [pid 9900] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9901] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9900] <... futex resumed>) = 0 [pid 9901] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 9900] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9901] pwrite64(3, "\x02\x00", 2, 4 [pid 9900] <... futex resumed>) = 0 [pid 9901] <... pwrite64 resumed>) = 2 [pid 9900] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9901] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9901] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9900] <... futex resumed>) = 0 [pid 9900] exit_group(0) = ? [pid 9901] <... futex resumed>) = ? [pid 9901] +++ exited with 0 +++ [pid 9900] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 429.024760][ T9901] loop0: detected capacity change from 0 to 512 [ 429.038166][ T9901] EXT4-fs: quotafile must be on filesystem root restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9902 attached , child_tidptr=0x555585adc6d0) = 9902 [pid 9902] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9902] <... set_robust_list resumed>) = 0 [pid 9902] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9902] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9902] setpgid(0, 0) = 0 [pid 9902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9902] write(3, "1000", 4) = 4 [pid 9902] close(3) = 0 [pid 9902] write(1, "executing program\n", 18) = 18 executing program [pid 9902] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9902] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9902] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9902] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9903 attached => {parent_tid=[9903]}, 88) = 9903 [pid 9902] rt_sigprocmask(SIG_SETMASK, [] [pid 9903] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9902] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9902] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9903] <... rseq resumed>) = 0 [pid 9902] <... futex resumed>) = 0 [pid 9903] set_robust_list(0x7f0c2cd339a0, 24 [pid 9902] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9903] <... set_robust_list resumed>) = 0 [pid 9903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9903] memfd_create("syzkaller", 0) = 3 [pid 9903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9903] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9903] munmap(0x7f0c24913000, 138412032) = 0 [pid 9903] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9903] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9903] close(3) = 0 [pid 9903] close(4) = 0 [pid 9903] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9903] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9903] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9903] ioctl(3, LOOP_CLR_FD) = 0 [pid 9903] close(3) = 0 [pid 9903] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9902] <... futex resumed>) = 0 [pid 9903] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9902] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9903] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9902] <... futex resumed>) = 0 [pid 9902] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9903] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9903] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9902] <... futex resumed>) = 0 [pid 9903] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9902] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9903] <... futex resumed>) = 0 [pid 9902] <... futex resumed>) = 1 [pid 9903] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9902] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9903] <... openat resumed>) = 3 [pid 9903] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9902] <... futex resumed>) = 0 [pid 9903] pwrite64(3, "\x02\x00", 2, 4 [ 429.181821][ T9903] loop0: detected capacity change from 0 to 512 [ 429.196468][ T9903] EXT4-fs: quotafile must be on filesystem root [pid 9902] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9903] <... pwrite64 resumed>) = 2 [pid 9903] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9902] <... futex resumed>) = 0 [pid 9903] <... futex resumed>) = 0 [pid 9903] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9902] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9902] exit_group(0 [pid 9903] <... futex resumed>) = ? [pid 9902] <... exit_group resumed>) = ? [pid 9903] +++ exited with 0 +++ [pid 9902] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9902, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9904 attached , child_tidptr=0x555585adc6d0) = 9904 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9904] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9904] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9904] setpgid(0, 0) = 0 [pid 9904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9904] write(3, "1000", 4) = 4 [pid 9904] close(3) = 0 [pid 9904] write(1, "executing program\n", 18) = 18 executing program [pid 9904] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9904] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9904] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9904] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9904] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9904] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9905 attached [pid 9905] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9904] <... clone3 resumed> => {parent_tid=[9905]}, 88) = 9905 [pid 9905] <... rseq resumed>) = 0 [pid 9904] rt_sigprocmask(SIG_SETMASK, [] [pid 9905] set_robust_list(0x7f0c2cd339a0, 24 [pid 9904] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9905] <... set_robust_list resumed>) = 0 [pid 9904] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9905] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9904] <... futex resumed>) = 0 [pid 9904] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9905] memfd_create("syzkaller", 0) = 3 [pid 9905] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9905] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9905] munmap(0x7f0c24913000, 138412032) = 0 [pid 9905] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9905] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9905] close(3) = 0 [pid 9905] close(4) = 0 [pid 9905] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9905] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9905] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9905] ioctl(3, LOOP_CLR_FD) = 0 [pid 9905] close(3) = 0 [pid 9905] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9904] <... futex resumed>) = 0 [pid 9905] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9904] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9905] <... futex resumed>) = 0 [pid 9904] <... futex resumed>) = 1 [pid 9905] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9904] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9905] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9905] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9904] <... futex resumed>) = 0 [pid 9905] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9904] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9904] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9905] <... futex resumed>) = 0 [pid 9905] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9905] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9904] <... futex resumed>) = 0 [pid 9905] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9904] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9905] <... futex resumed>) = 0 [pid 9904] <... futex resumed>) = 1 [pid 9905] pwrite64(3, "\x02\x00", 2, 4 [pid 9904] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9905] <... pwrite64 resumed>) = 2 [pid 9905] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9904] <... futex resumed>) = 0 [pid 9905] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9904] exit_group(0 [pid 9905] <... futex resumed>) = ? [pid 9904] <... exit_group resumed>) = ? [pid 9905] +++ exited with 0 +++ [pid 9904] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 429.327726][ T9905] loop0: detected capacity change from 0 to 512 [ 429.344485][ T9905] EXT4-fs: quotafile must be on filesystem root openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9906 attached , child_tidptr=0x555585adc6d0) = 9906 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9906] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9906] <... set_robust_list resumed>) = 0 [pid 9906] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9906] setpgid(0, 0) = 0 [pid 9906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9906] write(3, "1000", 4) = 4 [pid 9906] close(3) = 0 [pid 9906] write(1, "executing program\n", 18) = 18 executing program [pid 9906] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9906] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9906] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9906] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9906] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9906] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9907 attached => {parent_tid=[9907]}, 88) = 9907 [pid 9907] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9906] rt_sigprocmask(SIG_SETMASK, [] [pid 9907] <... rseq resumed>) = 0 [pid 9907] set_robust_list(0x7f0c2cd339a0, 24 [pid 9906] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9907] <... set_robust_list resumed>) = 0 [pid 9906] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9907] rt_sigprocmask(SIG_SETMASK, [] [pid 9906] <... futex resumed>) = 0 [pid 9907] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9907] memfd_create("syzkaller", 0) = 3 [pid 9906] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9907] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9907] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9907] munmap(0x7f0c24913000, 138412032) = 0 [pid 9907] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9907] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9907] close(3) = 0 [pid 9907] close(4) = 0 [pid 9907] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9907] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9907] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9907] ioctl(3, LOOP_CLR_FD) = 0 [pid 9907] close(3) = 0 [pid 9907] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9907] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9906] <... futex resumed>) = 0 [pid 9906] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9907] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9906] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9907] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9907] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9906] <... futex resumed>) = 0 [pid 9906] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9906] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9907] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR) = 3 [pid 9907] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9906] <... futex resumed>) = 0 [pid 9907] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9906] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9907] <... futex resumed>) = 0 [pid 9906] <... futex resumed>) = 1 [pid 9907] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9907] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9906] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9907] <... futex resumed>) = 0 [pid 9906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9907] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9906] exit_group(0 [pid 9907] <... futex resumed>) = ? [pid 9906] <... exit_group resumed>) = ? [pid 9907] +++ exited with 0 +++ [pid 9906] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9906, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9908 attached [pid 9908] set_robust_list(0x555585adc6e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9908 [pid 9908] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9908] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9908] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9908] setpgid(0, 0) = 0 [pid 9908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9908] write(3, "1000", 4) = 4 [pid 9908] close(3) = 0 [pid 9908] write(1, "executing program\n", 18) = 18 [pid 9908] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9908] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9908] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9908] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9908] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9908] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9909 attached [pid 9909] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9908] <... clone3 resumed> => {parent_tid=[9909]}, 88) = 9909 [pid 9909] <... rseq resumed>) = 0 [pid 9908] rt_sigprocmask(SIG_SETMASK, [] [pid 9909] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9908] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 429.461421][ T9907] EXT4-fs: quotafile must be on filesystem root [pid 9909] rt_sigprocmask(SIG_SETMASK, [] [pid 9908] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9909] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9908] <... futex resumed>) = 0 [pid 9909] memfd_create("syzkaller", 0 [pid 9908] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9909] <... memfd_create resumed>) = 3 [pid 9909] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9909] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9909] munmap(0x7f0c24913000, 138412032) = 0 [pid 9909] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9909] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9909] close(3) = 0 [pid 9909] close(4) = 0 [pid 9909] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9909] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9909] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9909] ioctl(3, LOOP_CLR_FD) = 0 [pid 9909] close(3) = 0 [pid 9909] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9908] <... futex resumed>) = 0 [pid 9909] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9908] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9909] <... futex resumed>) = 0 [pid 9908] <... futex resumed>) = 1 [pid 9909] mount(NULL, "./sys", "sysfs", 0, NULL [pid 9908] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9909] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 9909] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9908] <... futex resumed>) = 0 [pid 9908] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9909] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9908] <... futex resumed>) = 0 [pid 9908] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9909] <... openat resumed>) = 3 [pid 9909] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9908] <... futex resumed>) = 0 [pid 9908] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9909] pwrite64(3, "\x02\x00", 2, 4 [pid 9908] <... futex resumed>) = 0 [pid 9908] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9909] <... pwrite64 resumed>) = 2 [pid 9909] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9908] <... futex resumed>) = 0 [pid 9909] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9908] exit_group(0 [pid 9909] <... futex resumed>) = ? [pid 9908] <... exit_group resumed>) = ? [pid 9909] +++ exited with 0 +++ [pid 9908] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9908, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9910 attached , child_tidptr=0x555585adc6d0) = 9910 [ 429.552505][ T9909] EXT4-fs: quotafile must be on filesystem root [pid 9910] set_robust_list(0x555585adc6e0, 24 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9910] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9910] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9910] setpgid(0, 0) = 0 [pid 9910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9910] write(3, "1000", 4) = 4 [pid 9910] close(3) = 0 [pid 9910] write(1, "executing program\n", 18) = 18 executing program [pid 9910] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9910] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9910] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9910] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9910] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9911 attached => {parent_tid=[9911]}, 88) = 9911 [pid 9911] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9910] rt_sigprocmask(SIG_SETMASK, [] [pid 9911] <... rseq resumed>) = 0 [pid 9910] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9911] set_robust_list(0x7f0c2cd339a0, 24 [pid 9910] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9911] <... set_robust_list resumed>) = 0 [pid 9910] <... futex resumed>) = 0 [pid 9911] rt_sigprocmask(SIG_SETMASK, [] [pid 9910] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9911] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9911] memfd_create("syzkaller", 0) = 3 [pid 9911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9911] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9911] munmap(0x7f0c24913000, 138412032) = 0 [pid 9911] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9911] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9911] close(3) = 0 [pid 9911] close(4) = 0 [pid 9911] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9911] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9911] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9911] ioctl(3, LOOP_CLR_FD) = 0 [pid 9911] close(3) = 0 [pid 9911] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9910] <... futex resumed>) = 0 [pid 9911] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9910] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9910] <... futex resumed>) = 0 [pid 9911] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9910] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9911] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9910] <... futex resumed>) = 0 [pid 9911] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9910] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9911] <... openat resumed>) = 3 [pid 9910] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9911] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9910] <... futex resumed>) = 0 [pid 9911] <... futex resumed>) = 1 [pid 9910] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9911] pwrite64(3, "\x02\x00", 2, 4 [pid 9910] <... futex resumed>) = 0 [pid 9911] <... pwrite64 resumed>) = 2 [pid 9910] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9911] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9910] <... futex resumed>) = 0 [pid 9911] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9910] exit_group(0 [pid 9911] <... futex resumed>) = ? [pid 9910] <... exit_group resumed>) = ? [pid 9911] +++ exited with 0 +++ [pid 9910] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9910, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9912 attached , child_tidptr=0x555585adc6d0) = 9912 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9912] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9912] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9912] setpgid(0, 0) = 0 [pid 9912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 429.647467][ T9911] EXT4-fs: quotafile must be on filesystem root [pid 9912] write(3, "1000", 4) = 4 [pid 9912] close(3) = 0 executing program [pid 9912] write(1, "executing program\n", 18) = 18 [pid 9912] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9912] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9912] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9912] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0} => {parent_tid=[9913]}, 88) = 9913 [pid 9912] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 9913 attached , NULL, 8) = 0 [pid 9912] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9912] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9913] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 9913] set_robust_list(0x7f0c2cd339a0, 24) = 0 [pid 9913] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9913] memfd_create("syzkaller", 0) = 3 [pid 9913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9913] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9913] munmap(0x7f0c24913000, 138412032) = 0 [pid 9913] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 9913] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 9913] close(3) = 0 [pid 9913] close(4) = 0 [pid 9913] mkdir("./sys", 0777) = -1 EEXIST (File exists) [pid 9913] mount("/dev/loop0", "./sys", "ext4", MS_NODIRATIME, "grpjquota=./dev/mapper/control,nodelalloc,sysvgroups,inlinecrypt,,errors=continue") = -1 EINVAL (Invalid argument) [pid 9913] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 9913] ioctl(3, LOOP_CLR_FD) = 0 [pid 9913] close(3) = 0 [pid 9913] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9912] <... futex resumed>) = 0 [pid 9913] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9912] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9913] <... futex resumed>) = 0 [pid 9912] <... futex resumed>) = 1 [pid 9913] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 9913] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9913] futex(0x7f0c2ce0de28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9912] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9912] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9913] <... futex resumed>) = 0 [pid 9912] <... futex resumed>) = 1 [pid 9913] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:03.0/config", O_RDWR [pid 9912] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9913] <... openat resumed>) = 3 [pid 9913] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9912] <... futex resumed>) = 0 [pid 9912] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9913] <... futex resumed>) = 1 [pid 9912] <... futex resumed>) = 0 [pid 9912] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9913] pwrite64(3, "\x02\x00", 2, 4) = 2 [pid 9913] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9912] <... futex resumed>) = 0 [pid 9912] exit_group(0) = ? [pid 9913] +++ exited with 0 +++ [ 429.765457][ T9913] EXT4-fs: quotafile must be on filesystem root [ 429.779616][ T38] INFO: task kworker/u8:1:13 blocked in I/O wait for more than 143 seconds. [ 429.793308][ T38] Not tainted syzkaller #0 [ 429.793323][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [pid 9912] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9912, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 9914 attached [pid 9914] set_robust_list(0x555585adc6e0, 24) = 0 [pid 9914] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... clone resumed>, child_tidptr=0x555585adc6d0) = 9914 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 9914] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9914] setpgid(0, 0) = 0 [pid 9914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9914] write(3, "1000", 4) = 4 [pid 9914] close(3) = 0 [pid 9914] write(1, "executing program\n", 18) = 18 [pid 9914] futex(0x7f0c2ce0de2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 9914] rt_sigaction(SIGRT_1, {sa_handler=0x7f0c2cd79350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0c2cd6b660}, NULL, 8) = 0 [pid 9914] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0c2cd13000 [pid 9914] mprotect(0x7f0c2cd14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9914] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0c2cd33990, parent_tid=0x7f0c2cd33990, exit_signal=0, stack=0x7f0c2cd13000, stack_size=0x202c0, tls=0x7f0c2cd336c0}ci2-upstream-fs/strace-static-x86_64: Process 9915 attached => {parent_tid=[9915]}, 88) = 9915 [ 429.793332][ T38] task:kworker/u8:1 state:D stack:23200 pid:13 tgid:13 ppid:2 task_flags:0x4248060 flags:0x00080000 [ 429.793402][ T38] Workqueue: writeback wb_workfn (flush-8:0) [ 429.793614][ T38] Call Trace: [ 429.794680][ T38] [ 429.794721][ T38] __schedule+0x16d9/0x5700 [ 429.794893][ T38] ? blk_mq_flush_plug_list+0x415/0x540 [ 429.794998][ T38] ? __pfx_blk_mq_flush_plug_list+0x10/0x10 [ 429.795029][ T38] ? __blk_flush_plug+0x416/0x4d0 [ 429.795055][ T38] ? __pfx___schedule+0x10/0x10 [pid 9915] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 9914] rt_sigprocmask(SIG_SETMASK, [] [pid 9915] <... rseq resumed>) = 0 [pid 9914] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9915] set_robust_list(0x7f0c2cd339a0, 24 [pid 9914] futex(0x7f0c2ce0de28, FUTEX_WAKE_PRIVATE, 1000000 [pid 9915] <... set_robust_list resumed>) = 0 [pid 9914] <... futex resumed>) = 0 [pid 9915] rt_sigprocmask(SIG_SETMASK, [] [pid 9914] futex(0x7f0c2ce0de2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 9915] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 9915] memfd_create("syzkaller", 0) = 3 [pid 9915] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0c24913000 [pid 9915] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 9915] munmap(0x7f0c24913000, 138412032) = 0 [pid 9915] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 429.795121][ T38] ? schedule+0x90/0x2b0 [ 429.795143][ T38] schedule+0x164/0x2b0 [ 429.795164][ T38] io_schedule+0x80/0xe0 [ 429.795185][ T38] bit_wait_io+0x11/0xd0 [ 429.795208][ T38] __wait_on_bit+0xac/0x2f0 [ 429.795227][ T38] ? __pfx_bit_wait_io+0x10/0x10 [ 429.795249][ T38] out_of_line_wait_on_bit+0x13b/0x190 [ 429.795270][ T38] ? __pfx_bit_wait_io+0x10/0x10 [ 429.795291][ T38] ? __pfx_ ** replaying previous printk message ** [ 429.795291][ T38] ? __pfx_out_of_line_wait_on_bit+0x10/0x10 [ 429.795313][ T38] ? __pfx_wake_bit_function+0x10/0x10 [ 429.795370][ T38] do_get_write_access+0x671/0x1090 [ 429.795434][ T38] jbd2_journal_get_write_access+0x1d7/0x230 [ 429.795469][ T38] __ext4_journal_get_write_access+0xf1/0x620 [ 429.795517][ T38] ? ext4_get_group_desc+0x10e/0x4e0 [ 429.795541][ T38] ? __pfx___ext4_journal_get_write_access+0x10/0x10 [ 429.795575][ T38] ? ext4_get_group_desc+0x10e/0x4e0 [ 429.795604][ T38] ext4_mb_mark_context+0x325/0xec0 [ 429.795646][ T38] ? __pfx_ext4_mb_mark_context+0x10/0x10 [ 429.795672][ T38] ? ext4_sb_block_valid+0x16d/0x560 [ 429.795704][ T38] ? ext4_sb_block_valid+0x484/0x560 [ 429.795733][ T38] ext4_mb_mark_diskspace_used+0x338/0x760 [ 429.796446][ T38] ext4_mb_new_blocks+0x106f/0x4540 [ 429.796495][ T38] ? ext4_find_extent+0x1f5/0xcd0 [ 429.796514][ T38] ? ext4_find_extent+0x1f5/0xcd0 [ 429.796539][ T38] ? __pfx_ext4_mb_new_blocks+0x10/0x10 [ 429.796571][ T38] ? ext4_inode_to_goal_block+0x319/0x460 [ 429.796602][ T38] ext4_ext_map_blocks+0x13f1/0x5680 [ 429.796624][ T38] ? __lock_acquire+0x6df/0x2e40 [ 429.796675][ T38] ? __lock_acquire+0x6df/0x2e40 [ 429.796715][ T38] ? ext4_alloc_io_end_vec+0x2b/0x160 [ 429.796766][ T38] ? __pfx_blk_mq_flush_plug_list+0x10/0x10 [ 429.796793][ T38] ? __lock_acquire+0x6df/0x2e40 [ 429.796820][ T38] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 429.796846][ T38] ? do_raw_spin_lock+0x12b/0x2f0 [ 429.796891][ T38] ? wq_worker_running+0x9f/0x210 [ 429.797235][ T38] ? rt_mutex_post_schedule+0x49/0xf0 [ 429.797266][ T38] ext4_map_create_blocks+0x116/0x530 [ 429.797298][ T38] ext4_map_blocks+0x791/0x12c0 [ 429.797329][ T38] ? trace_kmem_cache_alloc+0x29/0xe0 [ 429.798042][ T38] ? __pfx_ext4_map_blocks+0x10/0x10 [ 429.798082][ T38] ? ext4_inode_journal_mode+0x376/0x470 [ 429.798114][ T38] ext4_do_writepages+0x239b/0x4770 [ 429.798162][ T38] ? wakeup_preempt_fair+0x476/0x770 [ 429.798214][ T38] ? __pfx_ext4_do_writepages+0x10/0x10 [ 429.798239][ T38] ? __lock_acquire+0x6df/0x2e40 [ 429.798289][ T38] ? try_to_take_rt_mutex+0x842/0xb00 [ 429.798328][ T38] ? lock_acquire+0x115/0x350 [ 429.798370][ T38] ext4_writepages+0x241/0x3b0 [ 429.798395][ T38] ? __pfx_ext4_writepages+0x10/0x10 [ 429.798440][ T38] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 429.798466][ T38] ? __pfx_ext4_writepages+0x10/0x10 [ 429.798489][ T38] do_writepages+0x338/0x560 [ 429.798543][ T38] ? rt_spin_unlock+0x159/0x200 [ 429.798576][ T38] __writeback_single_inode+0x136/0x1230 [ 429.798684][ T38] ? wbc_attach_and_unlock_inode+0x3f1/0x5d0 [ 429.798716][ T38] writeback_sb_inodes+0x9db/0x1ab0 [ 429.798770][ T38] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 429.798833][ T38] ? __pfx_down_read_trylock+0x10/0x10 [ 429.798868][ T38] __writeback_inodes_wb+0x114/0x240 [ 429.798905][ T38] wb_writeback+0x42f/0xad0 [ 429.798934][ T38] ? queue_io+0x241/0x450 [ 429.798989][ T38] ? __pfx_wb_writeback+0x10/0x10 [ 429.799034][ T38] wb_workfn+0xc98/0x10f0 [ 429.799081][ T38] ? __pfx_wb_workfn+0x10/0x10 [ 429.799108][ T38] ? rcu_is_watching+0x16/0xb0 [ 429.799145][ T38] ? trace_hrtimer_start+0x82/0x200 [ 429.799178][ T38] ? do_raw_spin_lock+0x12b/0x2f0 [ 429.799207][ T38] ? lock_acquire+0x115/0x350 [ 429.799239][ T38] ? rcu_is_watching+0x16/0xb0 [ 429.799266][ T38] ? process_scheduled_works+0x97a/0x1630 [ 429.799292][ T38] process_scheduled_works+0xc3d/0x1630 [ 429.799376][ T38] ? __pfx_process_scheduled_works+0x10/0x10 [ 429.799417][ T38] ? assign_work+0x3cf/0x5d0 [ 429.799448][ T38] worker_thread+0xa47/0xfb0 [ 429.842047][ T38] kthread+0x38b/0x470 [ 429.842078][ T38] ? __pfx_worker_thread+0x10/0x10 [ 429.842103][ T38] ? __pfx_kthread+0x10/0x10 [ 429.842124][ T38] ret_from_fork+0x514/0xb70 [ 429.842195][ T38] ? __pfx_ret_from_fork+0x10/0x10 [ 429.842214][ T38] ? __switch_to+0xc89/0x1420 [ 429.842244][ T38] ? __pfx_kthread+0x10/0x10 [ 429.842265][ T38] ret_from_fork_asm+0x1a/0x30 [ 429.842312][ T38] [ 429.842498][ T38] INFO: task jbd2/sda1-8:4919 blocked in I/O wait for more than 143 seconds. [ 429.842516][ T38] Not tainted syzkaller #0 [ 429.842526][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.842535][ T38] task:jbd2/sda1-8 state:D stack:25160 pid:4919 tgid:4919 ppid:2 task_flags:0x240040 flags:0x00080000 [ 429.842590][ T38] Call Trace: [ 429.842597][ T38] [ 429.842609][ T38] __schedule+0x16d9/0x5700 [ 429.842657][ T38] ? __pfx___schedule+0x10/0x10 [ 429.842695][ T38] ? schedule+0x90/0x2b0 [ 429.842716][ T38] schedule+0x164/0x2b0 [ 429.842737][ T38] io_schedule+0x80/0xe0 [ 429.842759][ T38] bit_wait_io+0x11/0xd0 [ 429.842780][ T38] __wait_on_bit+0xac/0x2f0 [ 429.842800][ T38] ? __pfx_bit_wait_io+0x10/0x10 [ 429.842823][ T38] out_of_line_wait_on_bit+0x13b/0x190 [ 429.842846][ T38] ? __pfx_bit_wait_io+0x10/0x10 [ 429.842866][ T38] ? __pfx_out_of_line_wait_on_bit+0x10/0x10 [ 429.842890][ T38] ? __pfx_wake_bit_function+0x10/0x10 [ 429.842913][ T38] ? __wait_on_buffer+0xe/0x80 [ 429.842943][ T38] jbd2_journal_commit_transaction+0x2f26/0x5ba0 [ 429.843003][ T38] ? __pfx_jbd2_journal_commit_transaction+0x10/0x10 [ 429.843036][ T38] ? do_raw_spin_lock+0x12b/0x2f0 [ 429.843068][ T38] ? do_raw_spin_lock+0x12b/0x2f0 [ 429.843098][ T38] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 429.843170][ T38] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 429.843191][ T38] ? __timer_delete_sync+0x552/0x620 [ 429.843220][ T38] kjournald2+0x3bc/0x750 [ 429.843262][ T38] ? __pfx_kjournald2+0x10/0x10 [ 429.843288][ T38] ? __pfx_autoremove_wake_function+0x10/0x10 [ 429.899779][ T38] ? __kthread_parkme+0x71/0x1f0 [ 429.899820][ T38] ? __kthread_parkme+0x199/0x1f0 [ 429.899852][ T38] kthread+0x38b/0x470 [ 429.899873][ T38] ? __pfx_kjournald2+0x10/0x10 [ 429.899922][ T38] ? __pfx_kthread+0x10/0x10 [ 429.899943][ T38] ret_from_fork+0x514/0xb70 [ 429.899966][ T38] ? __pfx_ret_from_fork+0x10/0x10 [ 429.899985][ T38] ? __switch_to+0xc89/0x1420 [ 429.900015][ T38] ? __pfx_kthread+0x10/0x10 [ 429.900035][ T38] ret_from_fork_asm+0x1a/0x30 [ 429.900071][ T38] [ 429.900159][ T38] [ 429.900159][ T38] Showing all locks held in the system: [ 429.900247][ T38] locks held by kworker/u8:1/13: 6, on CPU#1: [ 429.900269][ T38] #0: ffff88801d6d4938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 429.900356][ T38] #1: ffffc90000127c40 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 429.900408][ T38] #2: ffff88803719e0e0 (&type->s_umount_key#34){++++}-{4:4}, at: super_trylock_shared+0x23/0xf0 [ 429.900487][ T38] #3: ffff888037188d98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages+0x205/0x3b0 [ 429.900535][ T38] #4: ffff88803719abb0 (jbd2_handle){.+.+}-{0:0}, at: start_this_handle+0x1fbf/0x2200 [ 429.900588][ T38] #5: ffff888040960dd0 (&ei->i_data_sem#2){++++}-{4:4}, at: ext4_map_blocks+0x77d/0x12c0 [ 429.900643][ T38] locks held by pr/ttyS0/17: 3, last CPU#0: [ 429.900657][ T38] #0: ffffffff8e09d578 (console_srcu){....}-{0:0}, at: console_srcu_read_lock+0x30/0x60 [ 429.900708][ T38] #1: ffffffff99e971f8 (&port_lock_key){+.+.}-{3:3}, at: nbcon_kthread_func+0x64c/0x880 [ 429.900758][ T38] #2: ffffffff8e1c3ac0 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e2/0x400 [ 429.900826][ T38] locks held by khungtaskd/38: 1, last CPU#1: [ 429.900840][ T38] #0: ffffffff8e1c3ac0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 429.900910][ T38] locks held by kworker/u8:8/982: 2, on CPU#0: [ 429.900923][ T38] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 429.900974][ T38] #1: ffffc90005d87c40 ((reaper_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 429.901027][ T38] locks held by kworker/u8:15/1438: 2, on CPU#0: [ 429.901041][ T38] #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 429.901092][ T38] #1: ffffc90006ebfc40 (connector_reaper_work){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 429.901156][ T38] locks held by getty/5350: 2, on CPU#0: [ 429.901169][ T38] #0: ffff8880371430a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 429.901282][ T38] #1: ffffc900044cb2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x460/0x1360 [ 429.901331][ T38] [ 429.901336][ T38] ============================================= [ 429.901336][ T38] [ 429.901349][ T38] NMI backtrace for cpu 1 [ 429.901372][ T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 429.901393][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 429.901404][ T38] Call Trace: [ 429.901412][ T38] [ 429.901419][ T38] dump_stack_lvl+0xe8/0x150 [ 429.901447][ T38] nmi_cpu_backtrace+0x274/0x2d0 [ 429.901553][ T38] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 429.901591][ T38] nmi_trigger_cpumask_backtrace+0x17d/0x390 [ 429.901623][ T38] sys_info+0x135/0x170 [ 429.901672][ T38] watchdog+0xfd7/0x1030 [ 429.901714][ T38] ? watchdog+0x1c7/0x1030 [ 429.901742][ T38] kthread+0x38b/0x470 [ 429.901761][ T38] ? __pfx_watchdog+0x10/0x10 [ 429.901780][ T38] ? __pfx_kthread+0x10/0x10 [ 429.901800][ T38] ret_from_fork+0x514/0xb70 [ 429.901821][ T38] ? __pfx_ret_from_fork+0x10/0x10 [ 429.901840][ T38] ? __switch_to+0xc89/0x1420 [ 429.901868][ T38] ? __pfx_kthread+0x10/0x10 [ 429.901887][ T38] ret_from_fork_asm+0x1a/0x30 [ 429.901926][ T38] [ 429.901949][ T38] Sending NMI from CPU 1 to CPUs 0: [ 429.901976][ C0] NMI backtrace for cpu 0 [ 429.901990][ C0] CPU: 0 UID: 0 PID: 17 Comm: pr/ttyS0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 429.902009][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 429.902025][ C0] RIP: 0010:delay_tsc+0x5d/0xd0 [ 429.902087][ C0] Code: 89 d7 49 c1 e7 20 49 09 c7 4d 29 f7 49 39 df 73 55 bf 01 00 00 00 e8 42 b7 40 f6 65 48 8b 05 6a b7 50 07 48 85 c0 74 1c f3 90 01 00 00 00 e8 d9 b5 40 f6 e8 14 79 01 00 39 c5 75 0e 0f 01 f9 [ 429.902103][ C0] RSP: 0018:ffffc900001678b8 EFLAGS: 00000286 [ 429.902148][ C0] RAX: 8000000000000000 RBX: 0000000000000899 RCX: ffffffff99ade501 [ 429.902161][ C0] RDX: 0000000000000001 RSI: ffffffff8bcc2060 RDI: 00000000ffffffff [ 429.902173][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 429.902184][ C0] R10: dffffc0000000000 R11: ffffffff8b53e850 R12: 1ffffffff33d2e99 [ 429.902198][ C0] R13: 00000000ffffffff R14: 000000df917b8c8e R15: 0000000000000182 [ 429.902210][ C0] FS: 0000000000000000(0000) GS:ffff888125bd6000(0000) knlGS:0000000000000000 [ 429.902225][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 429.902238][ C0] CR2: 00007fee547da000 CR3: 000000000dfb0000 CR4: 00000000003526f0 [ 429.902254][ C0] Call Trace: [ 429.902260][ C0] [ 429.902268][ C0] wait_for_lsr+0x14d/0x300 [ 429.902342][ C0] __serial8250_console_fifo_write+0xd0/0x3f0 [ 429.902393][ C0] serial8250_console_write+0xac5/0x1230 [ 429.902424][ C0] ? __pfx_serial8250_console_write+0x10/0x10 [ 429.902450][ C0] nbcon_emit_next_record+0xef5/0x1a90 [ 429.902481][ C0] ? __pfx_nbcon_emit_next_record+0x10/0x10 [ 429.902507][ C0] ? nbcon_context_try_acquire+0x819/0xbd0 [ 429.902540][ C0] nbcon_kthread_func+0x679/0x880 [ 429.902566][ C0] ? nbcon_kthread_func+0x163/0x880 [ 429.902587][ C0] ? __pfx_nbcon_kthread_func+0x10/0x10 [ 429.902613][ C0] ? __kthread_parkme+0x71/0x1f0 [ 429.902638][ C0] ? __kthread_parkme+0x199/0x1f0 [ 429.902666][ C0] kthread+0x38b/0x470 [ 429.902682][ C0] ? __pfx_nbcon_kthread_func+0x10/0x10 [ 429.902703][ C0] ? __pfx_kthread+0x10/0x10 [ 429.902721][ C0] ret_from_fork+0x514/0xb70 [ 429.902738][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 429.902755][ C0] ? __switch_to+0xc89/0x1420 [ 429.902779][ C0] ? __pfx_kthread+0x10/0x10 [ 429.902797][ C0] ret_from_fork_asm+0x1a/0x30 [ 429.902819][ C0] [ 429.903515][ T38] Kernel panic - not syncing: hung_task: blocked tasks [ 431.066676][ T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 431.076300][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 431.086334][ T38] Call Trace: [ 431.089602][ T38] [ 431.092522][ T38] vpanic+0x56d/0xa60 [ 431.096495][ T38] ? __pfx___schedule+0x10/0x10 [ 431.101334][ T38] ? __pfx_vpanic+0x10/0x10 [ 431.105826][ T38] panic+0xc5/0xd0 [ 431.109540][ T38] ? __pfx_panic+0x10/0x10 [ 431.113941][ T38] ? preempt_schedule_common+0x7f/0xd0 [ 431.119378][ T38] ? preempt_schedule_thunk+0x16/0x40 [ 431.124732][ T38] ? nmi_trigger_cpumask_backtrace+0x31a/0x390 [ 431.130871][ T38] ? nmi_trigger_cpumask_backtrace+0x31f/0x390 [ 431.137012][ T38] watchdog+0x1030/0x1030 [ 431.141329][ T38] ? watchdog+0x1c7/0x1030 [ 431.145731][ T38] kthread+0x38b/0x470 [ 431.149781][ T38] ? __pfx_watchdog+0x10/0x10 [ 431.154451][ T38] ? __pfx_kthread+0x10/0x10 [ 431.159018][ T38] ret_from_fork+0x514/0xb70 [ 431.163591][ T38] ? __pfx_ret_from_fork+0x10/0x10 [ 431.168722][ T38] ? __switch_to+0xc89/0x1420 [ 431.173382][ T38] ? __pfx_kthread+0x10/0x10 [ 431.177951][ T38] ret_from_fork_asm+0x1a/0x30 [ 431.182700][ T38] [ 431.185993][ T38] Kernel Offset: disabled [ 431.190330][ T38] Rebooting in 86400 seconds..