./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor338173469 <...> 6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] close(3 [pid 6330] close(3 [pid 6329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6332] <... ioctl resumed>) = 0 [pid 6333] <... futex resumed>) = 0 [pid 6332] close(3 [pid 6329] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6333] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6332] <... close resumed>) = 0 [pid 6332] close(4 [pid 6329] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6332] <... close resumed>) = 0 [pid 6334] <... set_robust_list resumed>) = 0 [pid 6331] <... close resumed>) = 0 [pid 6334] rt_sigprocmask(SIG_SETMASK, [], [pid 6331] close(4 [pid 6334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6331] <... close resumed>) = 0 [pid 6334] memfd_create("syzkaller", 0 [pid 6331] mkdir("./bus", 0777 [pid 6334] <... memfd_create resumed>) = 3 [pid 6331] <... mkdir resumed>) = 0 [pid 6334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6331] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6334] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6332] mkdir("./bus", 0777) = 0 [pid 6331] <... mount resumed>) = 0 [pid 6334] <... write resumed>) = 131072 [pid 6333] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6332] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6330] <... close resumed>) = 0 [pid 6333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6331] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6334] munmap(0x7fee57600000, 138412032 [pid 6333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6331] <... openat resumed>) = 3 [pid 6330] close(4 [pid 6334] <... munmap resumed>) = 0 [pid 6333] <... mmap resumed>) = 0x7fee5fb34000 [pid 6332] <... mount resumed>) = 0 [pid 6331] chdir("./bus" [pid 6330] <... close resumed>) = 0 [pid 6333] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6332] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6331] <... chdir resumed>) = 0 [pid 6330] mkdir("./bus", 0777 [ 90.397750][ T6330] loop2: detected capacity change from 0 to 256 [ 90.405318][ T6331] loop0: detected capacity change from 0 to 256 [ 90.406204][ T6332] loop4: detected capacity change from 0 to 256 [pid 6334] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6333] <... mprotect resumed>) = 0 [pid 6332] <... openat resumed>) = 3 [pid 6331] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6330] <... mkdir resumed>) = 0 [pid 6334] <... openat resumed>) = 4 [pid 6332] chdir("./bus" [pid 6331] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6330] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6334] ioctl(4, LOOP_SET_FD, 3 [pid 6332] <... chdir resumed>) = 0 [pid 6331] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6331] <... futex resumed>) = 1 [pid 6327] <... futex resumed>) = 0 [pid 6333] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6332] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6331] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6327] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6335 attached [pid 6335] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6333] <... clone3 resumed> => {parent_tid=[6335]}, 88) = 6335 [pid 6335] <... rseq resumed>) = 0 [pid 6333] rt_sigprocmask(SIG_SETMASK, [], [pid 6335] set_robust_list(0x7fee5fb549a0, 24 [pid 6333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6335] <... set_robust_list resumed>) = 0 [pid 6333] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] rt_sigprocmask(SIG_SETMASK, [], [pid 6333] <... futex resumed>) = 0 [pid 6333] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6335] memfd_create("syzkaller", 0) = 3 [pid 6335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6335] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6327] <... futex resumed>) = 0 [pid 6332] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... openat resumed>) = 4 [pid 6327] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] <... ioctl resumed>) = 0 [pid 6332] <... futex resumed>) = 1 [pid 6331] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... mount resumed>) = 0 [pid 6327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6326] <... futex resumed>) = 0 [pid 6330] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6326] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... openat resumed>) = 3 [pid 6326] <... futex resumed>) = 0 [pid 6330] chdir("./bus" [pid 6331] <... futex resumed>) = 0 [pid 6327] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6330] <... chdir resumed>) = 0 [pid 6332] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6330] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6327] <... futex resumed>) = 0 [pid 6330] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6327] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6332] <... openat resumed>) = 4 [pid 6330] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] close(3 [pid 6331] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6335] <... write resumed>) = 131072 [pid 6334] <... close resumed>) = 0 [pid 6332] <... futex resumed>) = 1 [pid 6331] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] <... futex resumed>) = 1 [pid 6328] <... futex resumed>) = 0 [pid 6326] <... futex resumed>) = 0 [pid 6335] munmap(0x7fee57600000, 138412032 [pid 6334] close(4 [pid 6332] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6331] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6328] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... munmap resumed>) = 0 [pid 6334] <... close resumed>) = 0 [pid 6332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] <... futex resumed>) = 1 [pid 6330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6328] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = 0 [pid 6326] <... futex resumed>) = 0 [pid 6335] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6334] mkdir("./bus", 0777 [pid 6332] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6331] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6330] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6328] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] <... openat resumed>) = 4 [pid 6332] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6330] <... openat resumed>) = 4 [pid 6327] <... futex resumed>) = 0 [pid 6332] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] dup(4 [pid 6330] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] ioctl(4, LOOP_SET_FD, 3 [pid 6332] <... futex resumed>) = 1 [pid 6331] <... dup resumed>) = 5 [pid 6330] <... futex resumed>) = 0 [pid 6326] <... futex resumed>) = 0 [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6328] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6328] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] <... mkdir resumed>) = 0 [pid 6335] <... ioctl resumed>) = 0 [pid 6332] dup(4 [pid 6331] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6326] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] close(3 [pid 6332] <... dup resumed>) = 5 [pid 6331] <... futex resumed>) = 1 [pid 6330] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] <... futex resumed>) = 0 [pid 6326] <... futex resumed>) = 0 [pid 6335] <... close resumed>) = 0 [pid 6332] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6330] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] close(4 [pid 6334] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6332] <... futex resumed>) = 0 [pid 6331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6330] <... futex resumed>) = 1 [pid 6328] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = 0 [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] <... close resumed>) = 0 [pid 6332] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6331] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6330] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6328] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6326] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6328] <... futex resumed>) = 0 [pid 6332] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6330] dup(4) = 5 [pid 6328] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6330] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6328] <... futex resumed>) = 0 [pid 6335] mkdir("./bus", 0777 [pid 6330] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6326] <... futex resumed>) = 0 [pid 6326] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] <... mkdir resumed>) = 0 [pid 6334] <... mount resumed>) = 0 [pid 6328] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6334] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6330] <... futex resumed>) = 0 [pid 6328] <... futex resumed>) = 1 [pid 6334] <... openat resumed>) = 3 [pid 6330] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6334] chdir("./bus") = 0 [pid 6328] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] <... mount resumed>) = 0 [pid 6334] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6335] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6334] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... openat resumed>) = 3 [pid 6334] <... futex resumed>) = 1 [ 90.458161][ T6334] loop1: detected capacity change from 0 to 256 [ 90.485069][ T6335] loop3: detected capacity change from 0 to 256 [pid 6329] <... futex resumed>) = 0 [pid 6335] chdir("./bus" [pid 6334] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... chdir resumed>) = 0 [pid 6334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6329] <... futex resumed>) = 0 [pid 6335] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6334] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6335] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6334] <... openat resumed>) = 4 [pid 6329] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... futex resumed>) = 1 [pid 6334] <... futex resumed>) = 1 [pid 6333] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6335] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6334] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6335] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6334] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6333] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6329] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] <... openat resumed>) = 4 [pid 6334] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... futex resumed>) = 1 [pid 6334] <... futex resumed>) = 1 [pid 6333] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6335] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6334] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6335] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6334] dup(4 [pid 6333] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6329] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... dup resumed>) = 5 [pid 6335] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... futex resumed>) = 1 [pid 6334] <... futex resumed>) = 1 [pid 6333] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6335] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6334] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6335] dup(4 [pid 6333] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6329] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] <... dup resumed>) = 5 [pid 6335] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6335] <... futex resumed>) = 1 [pid 6333] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6326] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6335] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6327] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] <... futex resumed>) = 0 [pid 6326] <... futex resumed>) = 0 [pid 6327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6327] <... mmap resumed>) = 0x7fee5fb13000 [pid 6326] <... mmap resumed>) = 0x7fee5fb13000 [pid 6327] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6326] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6333] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6327] <... mprotect resumed>) = 0 [pid 6326] <... mprotect resumed>) = 0 [pid 6335] <... futex resumed>) = 0 [pid 6333] <... futex resumed>) = 1 [pid 6328] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6333] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6328] <... futex resumed>) = 0 [pid 6327] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6326] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6326] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6327] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6328] <... mmap resumed>) = 0x7fee5fb13000 [pid 6328] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6336 attached [pid 6328] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6337 attached [pid 6336] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6328] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6327] <... clone3 resumed> => {parent_tid=[6337]}, 88) = 6337 [pid 6337] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6336] <... rseq resumed>) = 0 [pid 6328] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6327] rt_sigprocmask(SIG_SETMASK, [], [pid 6326] <... clone3 resumed> => {parent_tid=[6336]}, 88) = 6336 [pid 6336] set_robust_list(0x7fee5fb339a0, 24 [pid 6327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6326] rt_sigprocmask(SIG_SETMASK, [], [pid 6336] <... set_robust_list resumed>) = 0 [pid 6327] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6336] rt_sigprocmask(SIG_SETMASK, [], [pid 6327] <... futex resumed>) = 0 [pid 6326] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6327] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6326] <... futex resumed>) = 0 [pid 6337] <... rseq resumed>) = 0 [pid 6336] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6326] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6338 attached [pid 6337] set_robust_list(0x7fee5fb339a0, 24 [pid 6338] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6337] <... set_robust_list resumed>) = 0 [pid 6336] <... madvise resumed>) = 0 [pid 6337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6338] <... rseq resumed>) = 0 [pid 6337] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6328] <... clone3 resumed> => {parent_tid=[6338]}, 88) = 6338 [pid 6338] set_robust_list(0x7fee5fb339a0, 24 [pid 6337] <... madvise resumed>) = 0 [pid 6328] rt_sigprocmask(SIG_SETMASK, [], [pid 6338] <... set_robust_list resumed>) = 0 [pid 6338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6338] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6328] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... futex resumed>) = 0 [pid 6336] <... futex resumed>) = 1 [pid 6326] <... futex resumed>) = 0 [pid 6336] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6328] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6337] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6329] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6338] <... madvise resumed>) = 0 [pid 6337] <... futex resumed>) = 1 [pid 6329] <... mmap resumed>) = 0x7fee5fb13000 [pid 6327] <... futex resumed>) = 0 [pid 6338] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6329] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6338] <... futex resumed>) = 1 [pid 6333] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6328] <... futex resumed>) = 0 [pid 6329] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6333] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6338] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] <... futex resumed>) = 0 [pid 6333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6329] <... clone3 resumed> => {parent_tid=[6339]}, 88) = 6339 ./strace-static-x86_64: Process 6339 attached [pid 6333] <... mmap resumed>) = 0x7fee5fb13000 [pid 6329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6329] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6329] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6339] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6333] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6339] <... rseq resumed>) = 0 [pid 6339] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6339] rt_sigprocmask(SIG_SETMASK, [], [pid 6333] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6339] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6333] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6339] <... madvise resumed>) = 0 [pid 6333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6340 attached => {parent_tid=[6340]}, 88) = 6340 [pid 6333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6333] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6333] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6340] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053) = 0 [pid 6340] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6340] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6339] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6329] <... futex resumed>) = 0 [pid 6339] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] <... madvise resumed>) = 0 [pid 6340] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6333] <... futex resumed>) = 0 [pid 6340] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6330] <... mmap resumed>) = 0x20000000 [pid 6334] <... mmap resumed>) = 0x20000000 [pid 6332] <... mmap resumed>) = 0x20000000 [pid 6335] <... mmap resumed>) = 0x20000000 [pid 6334] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... mmap resumed>) = 0x20000000 [pid 6330] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] exit_group(0 [pid 6328] exit_group(0 [pid 6339] <... futex resumed>) = ? [pid 6338] <... futex resumed>) = ? [pid 6335] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] <... futex resumed>) = ? [pid 6332] <... futex resumed>) = 0 [pid 6331] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... futex resumed>) = ? [pid 6329] <... exit_group resumed>) = ? [pid 6328] <... exit_group resumed>) = ? [pid 6326] exit_group(0 [pid 6338] +++ exited with 0 +++ [pid 6336] <... futex resumed>) = ? [pid 6335] <... futex resumed>) = 0 [pid 6334] +++ exited with 0 +++ [pid 6330] +++ exited with 0 +++ [pid 6326] <... exit_group resumed>) = ? [pid 6336] +++ exited with 0 +++ [pid 6335] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] exit_group(0 [pid 6332] +++ exited with 0 +++ [pid 6331] <... futex resumed>) = 0 [pid 6327] exit_group(0 [pid 6326] +++ exited with 0 +++ [pid 6340] <... futex resumed>) = ? [pid 6337] <... futex resumed>) = ? [pid 6335] <... futex resumed>) = ? [pid 6333] <... exit_group resumed>) = ? [pid 6327] <... exit_group resumed>) = ? [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6326, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 6340] +++ exited with 0 +++ [pid 6337] +++ exited with 0 +++ [pid 6335] +++ exited with 0 +++ [pid 6339] +++ exited with 0 +++ [pid 6329] +++ exited with 0 +++ [pid 6328] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6328, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6329, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 6333] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6333, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5839] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5837] <... restart_syscall resumed>) = 0 [pid 5838] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] <... openat resumed>) = 3 [pid 5837] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(3, "", [pid 5838] newfstatat(3, "", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(3, [pid 5838] getdents64(3, [pid 5837] <... openat resumed>) = 3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] newfstatat(3, "", [pid 5840] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./32/binderfs", [pid 5838] newfstatat(AT_FDCWD, "./33/binderfs", [pid 5840] newfstatat(3, "", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] getdents64(3, [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] unlink("./32/binderfs" [pid 5838] unlink("./33/binderfs" [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] getdents64(3, [pid 5838] <... unlink resumed>) = 0 [pid 5837] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./33/binderfs") = 0 [pid 5837] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... unlink resumed>) = 0 [pid 5838] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./33/binderfs", [pid 5838] <... umount2 resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] unlink("./33/binderfs" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./33/bus", [pid 5837] <... umount2 resumed>) = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5837] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./33/bus", [pid 5838] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./33/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5837] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = 0 [pid 5838] newfstatat(4, "", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] openat(AT_FDCWD, "./33/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(4, [pid 5837] <... openat resumed>) = 4 [pid 5840] newfstatat(AT_FDCWD, "./33/bus", [pid 5839] newfstatat(AT_FDCWD, "./32/bus", [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6331] +++ exited with 0 +++ [pid 6327] +++ exited with 0 +++ [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] getdents64(4, [pid 5837] newfstatat(4, "", [pid 5840] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] close(4 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6327, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5840] openat(AT_FDCWD, "./33/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] openat(AT_FDCWD, "./32/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... close resumed>) = 0 [pid 5837] getdents64(4, [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5840] <... openat resumed>) = 4 [pid 5839] <... openat resumed>) = 4 [pid 5838] rmdir("./33/bus" [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] newfstatat(4, "", [pid 5839] newfstatat(4, "", [pid 5838] <... rmdir resumed>) = 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, [pid 5837] getdents64(4, [pid 5840] getdents64(4, [pid 5839] getdents64(4, [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] close(3 [pid 5836] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] close(4 [pid 5838] <... close resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] getdents64(4, [pid 5838] rmdir("./33" [pid 5837] <... close resumed>) = 0 [pid 5836] newfstatat(3, "", [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] rmdir("./33/bus" [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] close(4 [pid 5839] close(4 [pid 5836] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] <... rmdir resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5836] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./32/binderfs", [pid 5840] rmdir("./33/bus" [pid 5839] <... close resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5837] getdents64(3, [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] mkdir("./34", 0777 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] rmdir("./32/bus" [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] unlink("./32/binderfs" [pid 5837] close(3 [pid 5839] <... rmdir resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5837] rmdir("./33" [pid 5836] <... unlink resumed>) = 0 [pid 5840] getdents64(3, [pid 5839] getdents64(3, [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] <... rmdir resumed>) = 0 [pid 5836] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5839] close(3 [pid 5838] <... openat resumed>) = 3 [pid 5837] mkdir("./34", 0777 [pid 5836] <... umount2 resumed>) = 0 [pid 5840] rmdir("./33" [pid 5839] <... close resumed>) = 0 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5836] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... ioctl resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] close(3 [pid 5836] newfstatat(AT_FDCWD, "./32/bus", [pid 5839] rmdir("./32" [pid 5837] <... mkdir resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5839] mkdir("./33", 0777 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5839] <... mkdir resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5840] <... rmdir resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] <... close resumed>) = 0 [pid 5837] <... ioctl resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] mkdir("./34", 0777 [pid 5839] <... openat resumed>) = 3 [pid 5837] close(3./strace-static-x86_64: Process 6341 attached [pid 5840] <... mkdir resumed>) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5837] <... close resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6341] set_robust_list(0x55557a9486a0, 24 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6341 [pid 5836] openat(AT_FDCWD, "./32/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6341] <... set_robust_list resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] <... ioctl resumed>) = 0 [pid 5836] <... openat resumed>) = 4 [pid 6341] chdir("./34" [pid 5840] <... openat resumed>) = 3 [pid 5839] close(3 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] newfstatat(4, "", [pid 6341] <... chdir resumed>) = 0 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] <... close resumed>) = 0 [pid 5836] getdents64(4, [pid 6341] <... prctl resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6342 attached [pid 6341] setpgid(0, 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6342 [pid 5836] getdents64(4, [pid 6341] <... setpgid resumed>) = 0 [pid 5840] close(3 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6343 attached [pid 6342] set_robust_list(0x55557a9486a0, 24 [pid 6341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] close(4 [pid 6343] set_robust_list(0x55557a9486a0, 24 [pid 6342] <... set_robust_list resumed>) = 0 [pid 6341] <... openat resumed>) = 3 [pid 5840] <... close resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6343 [pid 5836] <... close resumed>) = 0 [pid 6343] <... set_robust_list resumed>) = 0 [pid 6342] chdir("./34" [pid 5836] rmdir("./32/bus" [pid 6343] chdir("./33" [pid 6342] <... chdir resumed>) = 0 [pid 6341] write(3, "1000", 4 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... rmdir resumed>) = 0 [pid 6343] <... chdir resumed>) = 0 [pid 6342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6342] <... prctl resumed>) = 0 [pid 6341] <... write resumed>) = 4 ./strace-static-x86_64: Process 6344 attached [pid 6343] <... prctl resumed>) = 0 [pid 6342] setpgid(0, 0 [pid 6341] close(3 [pid 5836] getdents64(3, [pid 6344] set_robust_list(0x55557a9486a0, 24 [pid 6341] <... close resumed>) = 0 [pid 6342] <... setpgid resumed>) = 0 [pid 6343] setpgid(0, 0) = 0 [pid 6342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6344 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6341] symlink("/dev/binderfs", "./binderfs" [pid 5836] close(3 [pid 6341] <... symlink resumed>) = 0 [pid 6343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... close resumed>) = 0 [pid 6344] <... set_robust_list resumed>) = 0 [pid 5836] rmdir("./32" [pid 6342] <... openat resumed>) = 3 executing program [pid 6344] chdir("./34" [pid 6343] <... openat resumed>) = 3 [pid 6342] write(3, "1000", 4 [pid 6341] write(1, "executing program\n", 18 [pid 5836] <... rmdir resumed>) = 0 [pid 6343] write(3, "1000", 4 [pid 6342] <... write resumed>) = 4 [pid 6343] <... write resumed>) = 4 [pid 6342] close(3 [pid 6343] close(3 [pid 6342] <... close resumed>) = 0 [pid 6343] <... close resumed>) = 0 [pid 6342] symlink("/dev/binderfs", "./binderfs" [pid 6343] symlink("/dev/binderfs", "./binderfs" [pid 6341] <... write resumed>) = 18 [pid 5836] mkdir("./33", 0777 [pid 6342] <... symlink resumed>) = 0 [pid 6341] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000executing program executing program [pid 6344] <... chdir resumed>) = 0 [pid 6343] <... symlink resumed>) = 0 [pid 6341] <... futex resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 6344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6343] write(1, "executing program\n", 18 [pid 6342] write(1, "executing program\n", 18 [pid 6341] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6344] <... prctl resumed>) = 0 [pid 6343] <... write resumed>) = 18 [pid 6342] <... write resumed>) = 18 [pid 6341] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6344] setpgid(0, 0 [pid 6343] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6344] <... setpgid resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6342] <... futex resumed>) = 0 [pid 6341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... openat resumed>) = 3 [pid 6344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6343] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6342] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6344] <... openat resumed>) = 3 [pid 6343] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6342] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6341] <... mmap resumed>) = 0x7fee5fb34000 [pid 5836] <... ioctl resumed>) = 0 [pid 6344] write(3, "1000", 4 [pid 6343] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6341] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5836] close(3 [pid 6344] <... write resumed>) = 4 [pid 6343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6341] <... mprotect resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 6344] close(3 [pid 6342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6341] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6342] <... mmap resumed>) = 0x7fee5fb34000 [pid 6343] <... mmap resumed>) = 0x7fee5fb34000 [pid 6342] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6344] <... close resumed>) = 0 [pid 6343] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6342] <... mprotect resumed>) = 0 [pid 6341] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6344] symlink("/dev/binderfs", "./binderfs" [pid 6341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6345 attached [pid 6344] <... symlink resumed>) = 0 [pid 6343] <... mprotect resumed>) = 0 [pid 6342] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6342] <... rt_sigprocmask resumed>[], 8) = 0 executing program ./strace-static-x86_64: Process 6346 attached [pid 6344] write(1, "executing program\n", 18 [pid 6343] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6341] <... clone3 resumed> => {parent_tid=[6345]}, 88) = 6345 [pid 6346] set_robust_list(0x55557a9486a0, 24 [pid 6345] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6344] <... write resumed>) = 18 [pid 6341] rt_sigprocmask(SIG_SETMASK, [], [pid 6345] <... rseq resumed>) = 0 [pid 6341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6345] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6344] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... set_robust_list resumed>) = 0 [pid 6345] rt_sigprocmask(SIG_SETMASK, [], [pid 6344] <... futex resumed>) = 0 [pid 6341] <... futex resumed>) = 0 [pid 6346] chdir("./33" [pid 6344] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6343] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6341] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6346 [pid 6345] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6347 attached [pid 6343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6342] <... clone3 resumed> => {parent_tid=[6347]}, 88) = 6347 [pid 6345] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6348 attached [pid 6347] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6346] <... chdir resumed>) = 0 [pid 6345] <... memfd_create resumed>) = 3 [pid 6344] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6342] rt_sigprocmask(SIG_SETMASK, [], [pid 6348] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6347] <... rseq resumed>) = 0 [pid 6346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6348] <... rseq resumed>) = 0 [pid 6347] set_robust_list(0x7fee5fb549a0, 24 [pid 6346] <... prctl resumed>) = 0 [pid 6345] <... mmap resumed>) = 0x7fee57600000 [pid 6344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6343] <... clone3 resumed> => {parent_tid=[6348]}, 88) = 6348 [pid 6342] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] set_robust_list(0x7fee5fb549a0, 24 [pid 6347] <... set_robust_list resumed>) = 0 [pid 6346] setpgid(0, 0 [pid 6344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6343] rt_sigprocmask(SIG_SETMASK, [], [pid 6348] <... set_robust_list resumed>) = 0 [pid 6347] rt_sigprocmask(SIG_SETMASK, [], [pid 6346] <... setpgid resumed>) = 0 [pid 6345] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6344] <... mmap resumed>) = 0x7fee5fb34000 [pid 6343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6342] <... futex resumed>) = 0 [pid 6348] rt_sigprocmask(SIG_SETMASK, [], [pid 6347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6344] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6343] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6347] memfd_create("syzkaller", 0 [pid 6346] <... openat resumed>) = 3 [pid 6344] <... mprotect resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6348] memfd_create("syzkaller", 0 [pid 6343] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6348] <... memfd_create resumed>) = 3 [pid 6346] write(3, "1000", 4 [pid 6344] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6346] <... write resumed>) = 4 [pid 6348] <... mmap resumed>) = 0x7fee57600000 [pid 6346] close(3 [pid 6348] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6347] <... memfd_create resumed>) = 3 [pid 6346] <... close resumed>) = 0 [pid 6345] <... write resumed>) = 131072 [pid 6344] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6342] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6346] symlink("/dev/binderfs", "./binderfs" [pid 6344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6349 attached [pid 6348] <... write resumed>) = 131072 [pid 6346] <... symlink resumed>) = 0 executing program [pid 6349] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6344] <... clone3 resumed> => {parent_tid=[6349]}, 88) = 6349 [pid 6346] write(1, "executing program\n", 18 [pid 6344] rt_sigprocmask(SIG_SETMASK, [], [pid 6349] <... rseq resumed>) = 0 [pid 6346] <... write resumed>) = 18 [pid 6344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6349] set_robust_list(0x7fee5fb549a0, 24 [pid 6346] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... set_robust_list resumed>) = 0 [pid 6348] munmap(0x7fee57600000, 138412032 [pid 6346] <... futex resumed>) = 0 [pid 6344] <... futex resumed>) = 0 [pid 6349] rt_sigprocmask(SIG_SETMASK, [], [pid 6348] <... munmap resumed>) = 0 [pid 6347] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6346] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6344] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6349] memfd_create("syzkaller", 0 [pid 6346] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6349] <... memfd_create resumed>) = 3 [pid 6348] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6346] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6348] <... openat resumed>) = 4 [pid 6346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6345] munmap(0x7fee57600000, 138412032 [pid 6349] <... mmap resumed>) = 0x7fee57600000 [pid 6348] ioctl(4, LOOP_SET_FD, 3 [pid 6346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6347] <... write resumed>) = 131072 [pid 6346] <... mmap resumed>) = 0x7fee5fb34000 [pid 6345] <... munmap resumed>) = 0 [pid 6349] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6347] munmap(0x7fee57600000, 138412032 [pid 6345] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6347] <... munmap resumed>) = 0 [pid 6349] <... write resumed>) = 131072 [pid 6345] <... openat resumed>) = 4 [pid 6347] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6345] ioctl(4, LOOP_SET_FD, 3 [pid 6346] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6346] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6349] munmap(0x7fee57600000, 138412032 [pid 6346] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6349] <... munmap resumed>) = 0 [pid 6346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} => {parent_tid=[6350]}, 88) = 6350 ./strace-static-x86_64: Process 6350 attached [pid 6349] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6348] <... ioctl resumed>) = 0 [pid 6347] <... openat resumed>) = 4 [pid 6346] rt_sigprocmask(SIG_SETMASK, [], [pid 6345] <... ioctl resumed>) = 0 [pid 6349] <... openat resumed>) = 4 [pid 6347] ioctl(4, LOOP_SET_FD, 3 [pid 6346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6350] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6349] ioctl(4, LOOP_SET_FD, 3 [pid 6348] close(3 [pid 6346] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] close(3 [pid 6350] <... rseq resumed>) = 0 [pid 6347] <... ioctl resumed>) = 0 [pid 6350] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6350] memfd_create("syzkaller", 0 [pid 6347] close(3 [pid 6350] <... memfd_create resumed>) = 3 [pid 6350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6350] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 6349] <... ioctl resumed>) = 0 [pid 6347] <... close resumed>) = 0 [pid 6350] munmap(0x7fee57600000, 138412032) = 0 [pid 6350] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 90.950440][ T6348] loop3: detected capacity change from 0 to 256 [ 90.962946][ T6345] loop2: detected capacity change from 0 to 256 [ 90.980147][ T6347] loop1: detected capacity change from 0 to 256 [ 90.981751][ T6349] loop4: detected capacity change from 0 to 256 [pid 6350] ioctl(4, LOOP_SET_FD, 3 [pid 6349] close(3 [pid 6347] close(4 [pid 6349] <... close resumed>) = 0 [pid 6350] <... ioctl resumed>) = 0 [pid 6349] close(4 [pid 6347] <... close resumed>) = 0 [pid 6346] <... futex resumed>) = 0 [pid 6345] <... close resumed>) = 0 [pid 6349] <... close resumed>) = 0 [pid 6347] mkdir("./bus", 0777 [pid 6349] mkdir("./bus", 0777 [pid 6348] <... close resumed>) = 0 [pid 6346] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6345] close(4 [pid 6347] <... mkdir resumed>) = 0 [pid 6348] close(4 [pid 6345] <... close resumed>) = 0 [pid 6349] <... mkdir resumed>) = 0 [pid 6345] mkdir("./bus", 0777 [pid 6349] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6348] <... close resumed>) = 0 [pid 6345] <... mkdir resumed>) = 0 [pid 6348] mkdir("./bus", 0777 [pid 6345] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6347] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6349] <... mount resumed>) = 0 [pid 6348] <... mkdir resumed>) = 0 [pid 6348] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6349] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6345] <... mount resumed>) = 0 [pid 6345] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6349] <... openat resumed>) = 3 [pid 6345] chdir("./bus") = 0 [pid 6349] chdir("./bus" [pid 6345] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6349] <... chdir resumed>) = 0 [pid 6348] <... mount resumed>) = 0 [pid 6345] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6349] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6348] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6347] <... mount resumed>) = 0 [pid 6345] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] close(3 [pid 6349] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6348] <... openat resumed>) = 3 [pid 6345] <... futex resumed>) = 1 [pid 6341] <... futex resumed>) = 0 [pid 6350] <... close resumed>) = 0 [pid 6349] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] chdir("./bus" [pid 6347] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6345] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6341] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] close(4 [pid 6349] <... futex resumed>) = 1 [pid 6348] <... chdir resumed>) = 0 [pid 6345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6344] <... futex resumed>) = 0 [pid 6341] <... futex resumed>) = 0 [pid 6347] <... openat resumed>) = 3 [pid 6350] <... close resumed>) = 0 [pid 6349] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6348] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6345] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6344] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] mkdir("./bus", 0777 [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6348] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6345] <... openat resumed>) = 4 [pid 6344] <... futex resumed>) = 0 [pid 6350] <... mkdir resumed>) = 0 [pid 6349] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6348] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] chdir("./bus" [pid 6345] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6349] <... openat resumed>) = 4 [pid 6348] <... futex resumed>) = 1 [pid 6347] <... chdir resumed>) = 0 [pid 6345] <... futex resumed>) = 1 [pid 6343] <... futex resumed>) = 0 [pid 6341] <... futex resumed>) = 0 [pid 6349] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6343] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... futex resumed>) = 1 [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6345] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6344] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6341] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6348] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6347] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] <... futex resumed>) = 0 [pid 6350] <... mount resumed>) = 0 [pid 6349] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] <... openat resumed>) = 4 [pid 6347] <... futex resumed>) = 1 [pid 6345] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... futex resumed>) = 0 [pid 6342] <... futex resumed>) = 0 [pid 6341] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6349] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6345] <... futex resumed>) = 0 [pid 6344] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6350] <... openat resumed>) = 3 [pid 6349] <... futex resumed>) = 0 [pid 6348] <... futex resumed>) = 1 [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6345] dup(4 [pid 6344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6343] <... futex resumed>) = 0 [pid 6342] <... futex resumed>) = 0 [pid 6341] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] chdir("./bus" [pid 6349] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6348] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6345] <... dup resumed>) = 5 [pid 6344] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] <... futex resumed>) = 0 [pid 6350] <... chdir resumed>) = 0 [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] <... openat resumed>) = 4 [pid 6345] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... futex resumed>) = 0 [pid 6344] <... futex resumed>) = 0 [pid 6341] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6349] dup(4 [pid 6348] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6347] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] <... futex resumed>) = 0 [pid 6344] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6350] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6349] <... dup resumed>) = 5 [pid 6348] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... futex resumed>) = 1 [pid 6345] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6342] <... futex resumed>) = 0 [pid 6341] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6342] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... futex resumed>) = 0 [pid 6350] <... futex resumed>) = 1 [pid 6349] <... futex resumed>) = 1 [pid 6348] <... futex resumed>) = 1 [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] <... futex resumed>) = 0 [pid 6345] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6344] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6342] <... futex resumed>) = 0 [ 91.002821][ T6350] loop0: detected capacity change from 0 to 256 [pid 6341] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6348] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6346] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6349] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6347] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6343] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] <... futex resumed>) = 0 [pid 6346] <... futex resumed>) = 0 [pid 6346] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6350] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6348] dup(4 [pid 6350] <... openat resumed>) = 4 [pid 6348] <... dup resumed>) = 5 [pid 6350] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] dup(4 [pid 6344] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6347] <... dup resumed>) = 5 [pid 6342] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] <... futex resumed>) = 0 [pid 6350] <... futex resumed>) = 1 [pid 6348] <... futex resumed>) = 1 [pid 6347] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6346] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6342] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6348] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... futex resumed>) = 0 [pid 6350] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... futex resumed>) = 0 [pid 6350] <... futex resumed>) = 0 [pid 6348] <... futex resumed>) = 0 [pid 6346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6343] <... futex resumed>) = 1 [pid 6350] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6348] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6346] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] <... futex resumed>) = 0 [pid 6342] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] dup(4 [pid 6346] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] <... dup resumed>) = 5 [pid 6350] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6346] <... futex resumed>) = 0 [pid 6350] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6346] <... futex resumed>) = 0 [pid 6346] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6341] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6341] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6341] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6351 attached => {parent_tid=[6351]}, 88) = 6351 [pid 6341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6341] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6341] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6351] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6344] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6351] <... rseq resumed>) = 0 [pid 6344] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] set_robust_list(0x7fee5fb339a0, 24 [pid 6344] <... futex resumed>) = 0 [pid 6351] <... set_robust_list resumed>) = 0 [pid 6344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6351] rt_sigprocmask(SIG_SETMASK, [], [pid 6344] <... mmap resumed>) = 0x7fee5fb13000 [pid 6343] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6344] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6343] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6351] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6344] <... mprotect resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6351] <... madvise resumed>) = 0 [pid 6343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6344] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6342] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6346] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6343] <... mmap resumed>) = 0x7fee5fb13000 [pid 6342] <... futex resumed>) = 0 [pid 6346] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6343] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6343] <... mprotect resumed>) = 0 [pid 6342] <... mmap resumed>) = 0x7fee5fb13000 [pid 6346] <... mprotect resumed>) = 0 [pid 6343] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6342] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6346] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6344] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6343] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6342] <... mprotect resumed>) = 0 [pid 6346] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6342] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6353 attached ./strace-static-x86_64: Process 6352 attached [pid 6351] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6342] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6354 attached [pid 6353] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6352] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6344] <... clone3 resumed> => {parent_tid=[6352]}, 88) = 6352 [pid 6354] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6353] <... rseq resumed>) = 0 [pid 6352] <... rseq resumed>) = 0 [pid 6346] <... clone3 resumed> => {parent_tid=[6354]}, 88) = 6354 [pid 6354] <... rseq resumed>) = 0 [pid 6353] set_robust_list(0x7fee5fb339a0, 24 [pid 6352] set_robust_list(0x7fee5fb339a0, 24 [pid 6351] <... futex resumed>) = 1 [pid 6346] rt_sigprocmask(SIG_SETMASK, [], [pid 6344] rt_sigprocmask(SIG_SETMASK, [], [pid 6343] <... clone3 resumed> => {parent_tid=[6353]}, 88) = 6353 [pid 6342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6341] <... futex resumed>) = 0 [pid 6354] set_robust_list(0x7fee5fb339a0, 24 [pid 6353] <... set_robust_list resumed>) = 0 [pid 6352] <... set_robust_list resumed>) = 0 [pid 6346] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6355 attached [pid 6354] <... set_robust_list resumed>) = 0 [pid 6353] rt_sigprocmask(SIG_SETMASK, [], [pid 6352] rt_sigprocmask(SIG_SETMASK, [], [pid 6351] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6343] rt_sigprocmask(SIG_SETMASK, [], [pid 6353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6346] <... futex resumed>) = 0 [pid 6344] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6342] <... clone3 resumed> => {parent_tid=[6355]}, 88) = 6355 [pid 6354] rt_sigprocmask(SIG_SETMASK, [], [pid 6353] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6346] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6355] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6344] <... futex resumed>) = 0 [pid 6343] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] rt_sigprocmask(SIG_SETMASK, [], [pid 6355] <... rseq resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 6344] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] <... futex resumed>) = 1 [pid 6342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6355] set_robust_list(0x7fee5fb339a0, 24 [pid 6354] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6353] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6343] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... set_robust_list resumed>) = 0 [pid 6342] <... futex resumed>) = 0 [pid 6355] rt_sigprocmask(SIG_SETMASK, [], [pid 6342] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6355] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6354] <... madvise resumed>) = 0 [pid 6355] <... madvise resumed>) = 0 [pid 6353] <... madvise resumed>) = 0 [pid 6352] <... madvise resumed>) = 0 [pid 6355] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6342] <... futex resumed>) = 0 [pid 6355] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6354] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] <... futex resumed>) = 1 [pid 6354] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] <... futex resumed>) = 1 [pid 6346] <... futex resumed>) = 0 [pid 6344] <... futex resumed>) = 0 [pid 6352] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6353] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6343] <... futex resumed>) = 0 [pid 6353] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6345] <... mmap resumed>) = 0x20000000 [pid 6349] <... mmap resumed>) = 0x20000000 [pid 6349] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6349] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6348] <... mmap resumed>) = 0x20000000 [pid 6344] exit_group(0 [pid 6345] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... futex resumed>) = ? [pid 6349] <... futex resumed>) = ? [pid 6348] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... exit_group resumed>) = ? [pid 6343] exit_group(0 [pid 6353] <... futex resumed>) = ? [pid 6352] +++ exited with 0 +++ [pid 6350] <... mmap resumed>) = 0x20000000 [pid 6349] +++ exited with 0 +++ [pid 6348] <... futex resumed>) = ? [pid 6347] <... mmap resumed>) = 0x20000000 [pid 6345] <... futex resumed>) = 0 [pid 6343] <... exit_group resumed>) = ? [pid 6353] +++ exited with 0 +++ [pid 6345] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6350] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... futex resumed>) = 0 [pid 6347] <... futex resumed>) = 0 [pid 6342] exit_group(0 [pid 6341] exit_group(0 [pid 6355] <... futex resumed>) = ? [pid 6351] <... futex resumed>) = ? [pid 6350] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] exit_group(0 [pid 6345] <... futex resumed>) = ? [pid 6344] +++ exited with 0 +++ [pid 6342] <... exit_group resumed>) = ? [pid 6341] <... exit_group resumed>) = ? [pid 6355] +++ exited with 0 +++ [pid 6354] <... futex resumed>) = ? [pid 6351] +++ exited with 0 +++ [pid 6350] <... futex resumed>) = ? [pid 6348] +++ exited with 0 +++ [pid 6347] +++ exited with 0 +++ [pid 6346] <... exit_group resumed>) = ? [pid 6345] +++ exited with 0 +++ [pid 6343] +++ exited with 0 +++ [pid 6342] +++ exited with 0 +++ [pid 6354] +++ exited with 0 +++ [pid 6350] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6344, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6343, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6342, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 6346] +++ exited with 0 +++ [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6346, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5840] <... restart_syscall resumed>) = 0 [pid 5839] <... restart_syscall resumed>) = 0 [pid 5837] <... restart_syscall resumed>) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5839] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5840] <... openat resumed>) = 3 [pid 5839] newfstatat(3, "", [pid 5837] newfstatat(3, "", [pid 5840] newfstatat(3, "", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, [pid 5837] getdents64(3, [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] getdents64(3, [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... openat resumed>) = 3 [pid 5840] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./33/binderfs", [pid 5837] newfstatat(AT_FDCWD, "./34/binderfs", [pid 5836] newfstatat(3, "", [pid 5840] newfstatat(AT_FDCWD, "./34/binderfs", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./33/binderfs" [pid 5837] unlink("./34/binderfs" [pid 5836] getdents64(3, [pid 5840] unlink("./34/binderfs" [pid 5839] <... unlink resumed>) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = 0 [pid 5836] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] unlink("./33/binderfs" [pid 5839] <... umount2 resumed>) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 6341] +++ exited with 0 +++ [pid 5840] <... umount2 resumed>) = 0 [pid 5839] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6341, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./34/bus", [pid 5839] newfstatat(AT_FDCWD, "./33/bus", [pid 5837] newfstatat(AT_FDCWD, "./34/bus", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./33/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./34/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... openat resumed>) = 4 [pid 5838] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] openat(AT_FDCWD, "./34/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] newfstatat(4, "", [pid 5837] <... openat resumed>) = 4 [pid 5840] <... openat resumed>) = 4 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = 0 [pid 5840] newfstatat(4, "", [pid 5838] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(4, [pid 5837] newfstatat(4, "", [pid 5840] getdents64(4, [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(4, [pid 5837] getdents64(4, [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] newfstatat(3, "", [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(4, [pid 5839] close(4 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] getdents64(3, [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] close(4 [pid 5839] rmdir("./33/bus" [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] close(4 [pid 5840] <... close resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... close resumed>) = 0 [pid 5836] newfstatat(AT_FDCWD, "./33/bus", [pid 5840] rmdir("./34/bus" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] getdents64(3, [pid 5837] rmdir("./34/bus" [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] newfstatat(AT_FDCWD, "./34/binderfs", [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] getdents64(3, [pid 5839] close(3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] getdents64(3, [pid 5836] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] unlink("./34/binderfs" [pid 5840] close(3 [pid 5839] rmdir("./33" [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... close resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5837] close(3 [pid 5836] openat(AT_FDCWD, "./33/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] rmdir("./34" [pid 5838] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... close resumed>) = 0 [pid 5839] mkdir("./34", 0777 [pid 5837] rmdir("./34" [pid 5836] <... openat resumed>) = 4 [pid 5840] <... rmdir resumed>) = 0 [pid 5836] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] mkdir("./35", 0777 [pid 5836] getdents64(4, [pid 5839] <... mkdir resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] mkdir("./35", 0777 [pid 5836] getdents64(4, [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... umount2 resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] close(4 [pid 5840] <... openat resumed>) = 3 [pid 5839] <... ioctl resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... openat resumed>) = 3 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] close(3 [pid 5838] newfstatat(AT_FDCWD, "./34/bus", [pid 5836] <... close resumed>) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5836] rmdir("./33/bus" [pid 5839] <... close resumed>) = 0 [pid 5840] close(3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... ioctl resumed>) = 0 [pid 5837] close(3 [pid 5836] <... rmdir resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] getdents64(3, [pid 5840] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... close resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] openat(AT_FDCWD, "./34/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] close(3 [pid 5838] <... openat resumed>) = 4 [pid 5836] <... close resumed>) = 0 [pid 5838] newfstatat(4, "", [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] rmdir("./33"./strace-static-x86_64: Process 6358 attached ./strace-static-x86_64: Process 6357 attached ./strace-static-x86_64: Process 6356 attached [pid 5838] getdents64(4, [pid 5836] <... rmdir resumed>) = 0 [pid 6358] set_robust_list(0x55557a9486a0, 24 [pid 6357] set_robust_list(0x55557a9486a0, 24 [pid 6358] <... set_robust_list resumed>) = 0 [pid 6356] set_robust_list(0x55557a9486a0, 24 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6356 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6357 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6358 [pid 5836] mkdir("./34", 0777 [pid 6357] <... set_robust_list resumed>) = 0 [pid 5838] getdents64(4, [pid 6358] chdir("./35" [pid 6357] chdir("./34" [pid 6356] <... set_robust_list resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 6358] <... chdir resumed>) = 0 [pid 6357] <... chdir resumed>) = 0 [pid 6356] chdir("./35" [pid 5838] close(4 [pid 6358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... close resumed>) = 0 [pid 6358] <... prctl resumed>) = 0 [pid 5838] rmdir("./34/bus" [pid 6358] setpgid(0, 0 [pid 6357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6358] <... setpgid resumed>) = 0 [pid 6357] <... prctl resumed>) = 0 [pid 6356] <... chdir resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 6358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6357] setpgid(0, 0 [pid 6356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6357] <... setpgid resumed>) = 0 [pid 6357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6356] <... prctl resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 6357] <... openat resumed>) = 3 [pid 6356] setpgid(0, 0) = 0 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... ioctl resumed>) = 0 [pid 6357] write(3, "1000", 4 [pid 5836] close(3 [pid 6357] <... write resumed>) = 4 [pid 6356] <... openat resumed>) = 3 [pid 5836] <... close resumed>) = 0 [pid 6357] close(3) = 0 [pid 6356] write(3, "1000", 4 [pid 6357] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6356] <... write resumed>) = 4 executing program [pid 6357] write(1, "executing program\n", 18 [pid 6356] close(3 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6357] <... write resumed>) = 18 [pid 6356] <... close resumed>) = 0 [pid 6357] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] symlink("/dev/binderfs", "./binderfs" [pid 6358] <... openat resumed>) = 3 [pid 6357] <... futex resumed>) = 0 [pid 6356] <... symlink resumed>) = 0 [pid 5838] getdents64(3, ./strace-static-x86_64: Process 6359 attached [pid 6358] write(3, "1000", 4 [pid 6357] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6358] <... write resumed>) = 4 [pid 6357] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6359] set_robust_list(0x55557a9486a0, 24 [pid 6358] close(3 [pid 6357] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6359] <... set_robust_list resumed>) = 0 [pid 6358] <... close resumed>) = 0 [pid 6357] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6356] write(1, "executing program\n", 18 [pid 6359] chdir("./34" [pid 6358] symlink("/dev/binderfs", "./binderfs" [pid 6357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6356] <... write resumed>) = 18 [pid 5838] close(3 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6359 [pid 6359] <... chdir resumed>) = 0 [pid 6358] <... symlink resumed>) = 0 [pid 6357] <... mmap resumed>) = 0x7fee5fb34000 [pid 6356] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... close resumed>) = 0 executing program [pid 6359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6358] write(1, "executing program\n", 18 [pid 6357] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6356] <... futex resumed>) = 0 [pid 5838] rmdir("./34" [pid 6359] <... prctl resumed>) = 0 [pid 6358] <... write resumed>) = 18 [pid 6357] <... mprotect resumed>) = 0 [pid 6356] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6359] setpgid(0, 0 [pid 6358] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] <... rmdir resumed>) = 0 [pid 6359] <... setpgid resumed>) = 0 [pid 6358] <... futex resumed>) = 0 [pid 5838] mkdir("./35", 0777 [pid 6356] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6358] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6356] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6359] <... openat resumed>) = 3 [pid 6358] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6357] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 6359] write(3, "1000", 4 [pid 6358] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6359] <... write resumed>) = 4 [pid 6358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6356] <... mmap resumed>) = 0x7fee5fb34000 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6358] <... mmap resumed>) = 0x7fee5fb34000 [pid 6356] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6358] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6357] <... clone3 resumed> => {parent_tid=[6360]}, 88) = 6360 [pid 6356] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6360 attached [pid 6359] close(3 [pid 6358] <... mprotect resumed>) = 0 [pid 6357] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] <... openat resumed>) = 3 [pid 6356] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6358] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6358] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6357] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6357] <... futex resumed>) = 0 [pid 6356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6361 attached [pid 6357] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6361] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5838] ioctl(3, LOOP_CLR_FD [pid 6361] <... rseq resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 6359] <... close resumed>) = 0 ./strace-static-x86_64: Process 6362 attached [pid 6361] set_robust_list(0x7fee5fb549a0, 24 [pid 6356] <... clone3 resumed> => {parent_tid=[6361]}, 88) = 6361 [pid 6362] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6361] <... set_robust_list resumed>) = 0 [pid 6356] rt_sigprocmask(SIG_SETMASK, [], [pid 6362] <... rseq resumed>) = 0 [pid 6360] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6359] symlink("/dev/binderfs", "./binderfs" [pid 5838] close(3 [pid 6360] <... rseq resumed>) = 0 [pid 6358] <... clone3 resumed> => {parent_tid=[6362]}, 88) = 6362 [pid 6362] set_robust_list(0x7fee5fb549a0, 24executing program [pid 6361] rt_sigprocmask(SIG_SETMASK, [], [pid 6356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6360] set_robust_list(0x7fee5fb549a0, 24 [pid 6359] <... symlink resumed>) = 0 [pid 6358] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] <... close resumed>) = 0 [pid 6358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6360] <... set_robust_list resumed>) = 0 [pid 6359] write(1, "executing program\n", 18 [pid 6360] rt_sigprocmask(SIG_SETMASK, [], [pid 6359] <... write resumed>) = 18 [pid 6360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6362] <... set_robust_list resumed>) = 0 [pid 6361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6358] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] memfd_create("syzkaller", 0 [pid 6358] <... futex resumed>) = 0 [pid 6356] <... futex resumed>) = 0 [pid 6359] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6360] <... memfd_create resumed>) = 3 [pid 6359] <... futex resumed>) = 0 [pid 6362] rt_sigprocmask(SIG_SETMASK, [], [pid 6361] memfd_create("syzkaller", 0 [pid 6356] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6359] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, ./strace-static-x86_64: Process 6363 attached [pid 6362] memfd_create("syzkaller", 0 [pid 6360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6359] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6362] <... memfd_create resumed>) = 3 [pid 6361] <... memfd_create resumed>) = 3 [pid 6360] <... mmap resumed>) = 0x7fee57600000 [pid 6359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6363] set_robust_list(0x55557a9486a0, 24 [pid 6362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6362] <... mmap resumed>) = 0x7fee57600000 [pid 6361] <... mmap resumed>) = 0x7fee57600000 [pid 6359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6363] <... set_robust_list resumed>) = 0 [pid 6362] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6361] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6363] chdir("./35" [pid 6359] <... mmap resumed>) = 0x7fee5fb34000 [pid 6362] <... write resumed>) = 131072 [pid 6361] <... write resumed>) = 131072 [pid 6360] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6359] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6362] munmap(0x7fee57600000, 138412032 [pid 6363] <... chdir resumed>) = 0 [pid 6359] <... mprotect resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6363 [pid 6363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6362] <... munmap resumed>) = 0 [pid 6359] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6363] <... prctl resumed>) = 0 [pid 6359] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6363] setpgid(0, 0 [pid 6359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6363] <... setpgid resumed>) = 0 [pid 6362] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6361] munmap(0x7fee57600000, 138412032./strace-static-x86_64: Process 6364 attached [pid 6363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6362] <... openat resumed>) = 4 [pid 6361] <... munmap resumed>) = 0 [pid 6364] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6362] ioctl(4, LOOP_SET_FD, 3 [pid 6364] <... rseq resumed>) = 0 [pid 6363] <... openat resumed>) = 3 [pid 6360] <... write resumed>) = 131072 [pid 6359] <... clone3 resumed> => {parent_tid=[6364]}, 88) = 6364 [pid 6359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6363] write(3, "1000", 4 [pid 6361] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6364] set_robust_list(0x7fee5fb549a0, 24 [pid 6361] <... openat resumed>) = 4 [pid 6364] <... set_robust_list resumed>) = 0 [pid 6361] ioctl(4, LOOP_SET_FD, 3 [pid 6364] rt_sigprocmask(SIG_SETMASK, [], [pid 6363] <... write resumed>) = 4 [pid 6360] munmap(0x7fee57600000, 138412032 [pid 6359] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] close(3 [pid 6359] <... futex resumed>) = 0 [pid 6363] <... close resumed>) = 0 [pid 6359] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6363] symlink("/dev/binderfs", "./binderfs"executing program [pid 6364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6363] <... symlink resumed>) = 0 [pid 6360] <... munmap resumed>) = 0 [pid 6362] <... ioctl resumed>) = 0 [pid 6363] write(1, "executing program\n", 18 [pid 6360] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6363] <... write resumed>) = 18 [pid 6362] close(3 [pid 6364] memfd_create("syzkaller", 0 [pid 6363] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] <... close resumed>) = 0 [pid 6361] <... ioctl resumed>) = 0 [pid 6360] <... openat resumed>) = 4 [pid 6363] <... futex resumed>) = 0 [pid 6362] close(4 [pid 6360] ioctl(4, LOOP_SET_FD, 3 [pid 6361] close(3 [pid 6363] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6362] <... close resumed>) = 0 [pid 6364] <... memfd_create resumed>) = 3 [pid 6364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6364] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 6364] munmap(0x7fee57600000, 138412032) = 0 [pid 6364] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6362] mkdir("./bus", 0777 [pid 6363] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6361] <... close resumed>) = 0 [pid 6363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6361] close(4 [pid 6364] <... openat resumed>) = 4 [pid 6363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6361] <... close resumed>) = 0 [pid 6364] ioctl(4, LOOP_SET_FD, 3 [pid 6363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6362] <... mkdir resumed>) = 0 [ 91.497860][ T6362] loop1: detected capacity change from 0 to 256 [ 91.508975][ T6361] loop4: detected capacity change from 0 to 256 [ 91.527359][ T6360] loop3: detected capacity change from 0 to 256 [pid 6361] mkdir("./bus", 0777 [pid 6363] <... mmap resumed>) = 0x7fee5fb34000 [pid 6362] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6361] <... mkdir resumed>) = 0 [pid 6363] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6361] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6364] <... ioctl resumed>) = 0 [pid 6363] <... mprotect resumed>) = 0 [pid 6360] <... ioctl resumed>) = 0 [pid 6364] close(3 [pid 6363] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6360] close(3 [pid 6364] <... close resumed>) = 0 [pid 6363] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6360] <... close resumed>) = 0 [pid 6364] close(4 [pid 6363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6361] <... mount resumed>) = 0 [pid 6360] close(4./strace-static-x86_64: Process 6365 attached [pid 6364] <... close resumed>) = 0 [pid 6362] <... mount resumed>) = 0 [pid 6361] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6365] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6364] mkdir("./bus", 0777 [pid 6360] <... close resumed>) = 0 [pid 6365] <... rseq resumed>) = 0 [pid 6362] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6361] <... openat resumed>) = 3 [pid 6365] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6362] <... openat resumed>) = 3 [pid 6361] chdir("./bus" [pid 6365] rt_sigprocmask(SIG_SETMASK, [], [pid 6362] chdir("./bus" [pid 6361] <... chdir resumed>) = 0 [pid 6365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6364] <... mkdir resumed>) = 0 [pid 6363] <... clone3 resumed> => {parent_tid=[6365]}, 88) = 6365 [pid 6365] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] <... chdir resumed>) = 0 [pid 6361] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6360] mkdir("./bus", 0777 [pid 6364] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6360] <... mkdir resumed>) = 0 [pid 6363] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6363] <... futex resumed>) = 0 [pid 6363] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6361] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6362] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6361] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] memfd_create("syzkaller", 0 [pid 6362] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6361] <... futex resumed>) = 1 [pid 6360] <... mount resumed>) = 0 [pid 6356] <... futex resumed>) = 0 [pid 6360] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6362] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] <... openat resumed>) = 3 [pid 6356] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... memfd_create resumed>) = 3 [pid 6362] <... futex resumed>) = 1 [pid 6361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] chdir("./bus" [pid 6358] <... futex resumed>) = 0 [pid 6356] <... futex resumed>) = 0 [pid 6365] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6362] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6360] <... chdir resumed>) = 0 [pid 6358] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] <... mmap resumed>) = 0x7fee57600000 [pid 6362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6361] <... openat resumed>) = 4 [pid 6360] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6358] <... futex resumed>) = 0 [pid 6365] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6364] <... mount resumed>) = 0 [pid 6362] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6361] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] <... write resumed>) = 131072 [pid 6364] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6362] <... openat resumed>) = 4 [pid 6361] <... futex resumed>) = 1 [pid 6360] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6356] <... futex resumed>) = 0 [pid 6365] munmap(0x7fee57600000, 138412032 [pid 6364] <... openat resumed>) = 3 [pid 6362] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... munmap resumed>) = 0 [pid 6364] chdir("./bus" [pid 6362] <... futex resumed>) = 1 [pid 6360] <... futex resumed>) = 1 [pid 6358] <... futex resumed>) = 0 [pid 6356] <... futex resumed>) = 0 [pid 6364] <... chdir resumed>) = 0 [pid 6362] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6358] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... futex resumed>) = 0 [pid 6356] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 91.546668][ T6364] loop0: detected capacity change from 0 to 256 [pid 6365] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6364] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6361] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6358] <... futex resumed>) = 0 [pid 6357] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... openat resumed>) = 4 [pid 6364] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6362] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6361] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... futex resumed>) = 0 [pid 6358] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] <... futex resumed>) = 1 [pid 6365] ioctl(4, LOOP_SET_FD, 3 [pid 6364] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6361] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6357] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] <... futex resumed>) = 1 [pid 6356] <... futex resumed>) = 0 [pid 6362] <... futex resumed>) = 1 [pid 6361] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6358] <... futex resumed>) = 0 [pid 6356] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... ioctl resumed>) = 0 [pid 6364] <... futex resumed>) = 1 [pid 6362] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] <... openat resumed>) = 4 [pid 6359] <... futex resumed>) = 0 [pid 6358] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... futex resumed>) = 0 [pid 6365] close(3 [pid 6364] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6361] dup(4 [pid 6360] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... futex resumed>) = 0 [pid 6356] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] <... close resumed>) = 0 [pid 6364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6362] dup(4 [pid 6361] <... dup resumed>) = 5 [pid 6360] <... futex resumed>) = 1 [pid 6359] <... futex resumed>) = 0 [pid 6358] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] <... futex resumed>) = 0 [pid 6365] close(4 [pid 6364] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6362] <... dup resumed>) = 5 [pid 6361] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6359] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... openat resumed>) = 4 [pid 6362] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] <... futex resumed>) = 1 [pid 6360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6357] <... futex resumed>) = 0 [pid 6356] <... futex resumed>) = 0 [pid 6365] <... close resumed>) = 0 [pid 6364] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] <... futex resumed>) = 1 [pid 6361] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6358] <... futex resumed>) = 0 [pid 6357] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] mkdir("./bus", 0777 [pid 6364] <... futex resumed>) = 1 [pid 6362] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] <... futex resumed>) = 0 [pid 6358] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... futex resumed>) = 0 [pid 6365] <... mkdir resumed>) = 0 [pid 6364] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6361] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6360] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... futex resumed>) = 0 [pid 6356] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6362] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6360] <... futex resumed>) = 1 [pid 6359] <... futex resumed>) = 0 [pid 6357] <... futex resumed>) = 0 [pid 6365] <... mount resumed>) = 0 [pid 6364] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6360] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6359] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6357] <... futex resumed>) = 0 [pid 6365] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6364] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] dup(4 [pid 6357] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6364] <... futex resumed>) = 1 [pid 6360] <... dup resumed>) = 5 [pid 6359] <... futex resumed>) = 0 [pid 6365] <... openat resumed>) = 3 [pid 6364] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] chdir("./bus" [pid 6364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] <... futex resumed>) = 1 [pid 6359] <... futex resumed>) = 0 [pid 6357] <... futex resumed>) = 0 [pid 6365] <... chdir resumed>) = 0 [pid 6364] dup(4 [pid 6360] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6359] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6364] <... dup resumed>) = 5 [pid 6360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6357] <... futex resumed>) = 0 [pid 6365] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6360] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6357] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... futex resumed>) = 1 [pid 6364] <... futex resumed>) = 1 [pid 6363] <... futex resumed>) = 0 [pid 6365] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6364] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... futex resumed>) = 0 [pid 6365] <... openat resumed>) = 4 [pid 6363] <... futex resumed>) = 0 [pid 6359] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... futex resumed>) = 0 [pid 6363] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6359] <... futex resumed>) = 1 [pid 6365] <... futex resumed>) = 0 [pid 6364] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6359] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6363] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] fcntl(-1, F_SETLEASE, F_WRLCK) = -1 EBADF (Bad file descriptor) [pid 6363] <... futex resumed>) = 0 [pid 6365] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] <... futex resumed>) = 0 [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6365] dup(4 [pid 6363] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... dup resumed>) = 5 [pid 6363] <... futex resumed>) = 0 [pid 6365] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] <... futex resumed>) = 0 [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6365] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6363] <... futex resumed>) = 0 [ 91.606095][ T6365] loop2: detected capacity change from 0 to 256 [pid 6365] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6363] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6356] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6358] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6356] <... mmap resumed>) = 0x7fee5fb13000 [pid 6358] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6358] <... futex resumed>) = 0 [pid 6356] <... mprotect resumed>) = 0 [pid 6358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6356] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6358] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6356] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6358] <... mprotect resumed>) = 0 [pid 6356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6358] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 6366 attached [pid 6358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6356] <... clone3 resumed> => {parent_tid=[6366]}, 88) = 6366 [pid 6366] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 6367 attached ) = 0 [pid 6356] rt_sigprocmask(SIG_SETMASK, [], [pid 6367] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6366] set_robust_list(0x7fee5fb339a0, 24 [pid 6358] <... clone3 resumed> => {parent_tid=[6367]}, 88) = 6367 [pid 6357] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6366] <... set_robust_list resumed>) = 0 [pid 6358] rt_sigprocmask(SIG_SETMASK, [], [pid 6357] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... rseq resumed>) = 0 [pid 6366] rt_sigprocmask(SIG_SETMASK, [], [pid 6358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6357] <... futex resumed>) = 0 [pid 6356] <... futex resumed>) = 0 [pid 6367] set_robust_list(0x7fee5fb339a0, 24 [pid 6358] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6356] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] <... futex resumed>) = 0 [pid 6357] <... mmap resumed>) = 0x7fee5fb13000 [pid 6367] <... set_robust_list resumed>) = 0 [pid 6366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6367] rt_sigprocmask(SIG_SETMASK, [], [pid 6358] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6366] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6367] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6366] <... madvise resumed>) = 0 [pid 6359] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6357] <... mprotect resumed>) = 0 [pid 6359] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6359] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6359] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6367] <... madvise resumed>) = 0 [pid 6366] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6357] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6363] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6367] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... futex resumed>) = 1 [pid 6363] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6356] <... futex resumed>) = 0 [pid 6366] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] <... futex resumed>) = 0 [pid 6359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6368 attached [pid 6367] <... futex resumed>) = 1 [pid 6363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6358] <... futex resumed>) = 0 [pid 6367] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6357] <... clone3 resumed> => {parent_tid=[6368]}, 88) = 6368 [pid 6357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6369 attached [pid 6368] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6363] <... mmap resumed>) = 0x7fee5fb13000 [pid 6359] <... clone3 resumed> => {parent_tid=[6369]}, 88) = 6369 [pid 6369] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6368] <... rseq resumed>) = 0 [pid 6363] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6359] rt_sigprocmask(SIG_SETMASK, [], [pid 6357] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... rseq resumed>) = 0 [pid 6368] set_robust_list(0x7fee5fb339a0, 24 [pid 6363] <... mprotect resumed>) = 0 [pid 6359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6368] <... set_robust_list resumed>) = 0 [pid 6363] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6359] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] rt_sigprocmask(SIG_SETMASK, [], [pid 6363] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6359] <... futex resumed>) = 0 [pid 6357] <... futex resumed>) = 0 [pid 6369] set_robust_list(0x7fee5fb339a0, 24 [pid 6368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6359] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] <... set_robust_list resumed>) = 0 [pid 6357] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6370 attached [pid 6370] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6368] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6363] <... clone3 resumed> => {parent_tid=[6370]}, 88) = 6370 [pid 6370] <... rseq resumed>) = 0 [pid 6363] rt_sigprocmask(SIG_SETMASK, [], [pid 6370] set_robust_list(0x7fee5fb339a0, 24 [pid 6363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6370] <... set_robust_list resumed>) = 0 [pid 6363] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] rt_sigprocmask(SIG_SETMASK, [], [pid 6363] <... futex resumed>) = 0 [pid 6370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6363] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6369] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6368] <... madvise resumed>) = 0 [pid 6370] <... madvise resumed>) = 0 [pid 6370] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... madvise resumed>) = 0 [pid 6368] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6357] <... futex resumed>) = 0 [pid 6370] <... futex resumed>) = 1 [pid 6368] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] <... futex resumed>) = 0 [pid 6370] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6369] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6359] <... futex resumed>) = 0 [pid 6369] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6364] <... mmap resumed>) = 0x20000000 [pid 6365] <... mmap resumed>) = 0x20000000 [pid 6362] <... mmap resumed>) = 0x20000000 [pid 6361] <... mmap resumed>) = 0x20000000 [pid 6360] <... mmap resumed>) = 0x20000000 [pid 6365] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... futex resumed>) = 0 [pid 6364] <... futex resumed>) = 0 [pid 6362] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] exit_group(0 [pid 6367] <... futex resumed>) = ? [pid 6365] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6364] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] exit_group(0 [pid 6361] <... futex resumed>) = 0 [pid 6360] <... futex resumed>) = 0 [pid 6359] exit_group(0 [pid 6358] <... exit_group resumed>) = ? [pid 6362] <... futex resumed>) = ? [pid 6357] exit_group(0 [pid 6356] exit_group(0 [pid 6370] <... futex resumed>) = ? [pid 6369] <... futex resumed>) = ? [pid 6368] <... futex resumed>) = ? [pid 6367] +++ exited with 0 +++ [pid 6366] <... futex resumed>) = ? [pid 6365] <... futex resumed>) = ? [pid 6364] <... futex resumed>) = ? [pid 6363] <... exit_group resumed>) = ? [pid 6359] <... exit_group resumed>) = ? [pid 6357] <... exit_group resumed>) = ? [pid 6356] <... exit_group resumed>) = ? [pid 6370] +++ exited with 0 +++ [pid 6369] +++ exited with 0 +++ [pid 6368] +++ exited with 0 +++ [pid 6366] +++ exited with 0 +++ [pid 6365] +++ exited with 0 +++ [pid 6364] +++ exited with 0 +++ [pid 6361] +++ exited with 0 +++ [pid 6360] +++ exited with 0 +++ [pid 6363] +++ exited with 0 +++ [pid 6356] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6356, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6363, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6362] +++ exited with 0 +++ [pid 6358] +++ exited with 0 +++ [pid 5840] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6358, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5840] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... restart_syscall resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, [pid 6357] +++ exited with 0 +++ [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6357, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5838] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] newfstatat(AT_FDCWD, "./35/binderfs", [pid 5838] <... openat resumed>) = 3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(3, "", [pid 5840] unlink("./35/binderfs" [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5838] getdents64(3, [pid 5840] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] <... restart_syscall resumed>) = 0 [pid 5838] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./35/binderfs", [pid 5837] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(AT_FDCWD, "./35/bus", [pid 5838] unlink("./35/binderfs" [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... openat resumed>) = 3 [pid 5837] newfstatat(3, "", [pid 5840] openat(AT_FDCWD, "./35/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... umount2 resumed>) = 0 [pid 5840] <... openat resumed>) = 4 [pid 5839] <... restart_syscall resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] newfstatat(4, "", [pid 5838] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] getdents64(3, [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./35/bus", [pid 5837] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(4, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./35/binderfs", [pid 5840] getdents64(4, [pid 5839] newfstatat(3, "", [pid 5838] openat(AT_FDCWD, "./35/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... openat resumed>) = 4 [pid 5837] unlink("./35/binderfs" [pid 5840] close(4 [pid 5839] getdents64(3, [pid 5838] newfstatat(4, "", [pid 5837] <... unlink resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] rmdir("./35/bus" [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] getdents64(4, [pid 5837] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(3, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(4, [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] newfstatat(AT_FDCWD, "./34/binderfs", [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 5840] close(3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] close(4 [pid 5837] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... close resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] rmdir("./35" [pid 5839] unlink("./34/binderfs" [pid 5838] rmdir("./35/bus" [pid 5837] newfstatat(AT_FDCWD, "./35/bus", [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] mkdir("./36", 0777 [pid 5839] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] <... mkdir resumed>) = 0 [pid 5838] getdents64(3, [pid 5837] openat(AT_FDCWD, "./35/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] <... openat resumed>) = 4 [pid 5839] <... umount2 resumed>) = 0 [pid 5838] close(3 [pid 5837] newfstatat(4, "", [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5839] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... close resumed>) = 0 [pid 5837] getdents64(4, [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] rmdir("./35" [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] <... ioctl resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./34/bus", [pid 5838] <... rmdir resumed>) = 0 [pid 5837] getdents64(4, [pid 5840] close(3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] mkdir("./36", 0777 [pid 5837] close(4 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... close resumed>) = 0 [pid 5839] openat(AT_FDCWD, "./34/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] rmdir("./35/bus" [pid 5839] <... openat resumed>) = 4 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5839] newfstatat(4, "", [pid 5837] getdents64(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] getdents64(4, [pid 5837] close(3./strace-static-x86_64: Process 6371 attached [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6371] set_robust_list(0x55557a9486a0, 24 [pid 5837] <... close resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 6371] <... set_robust_list resumed>) = 0 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6371] chdir("./36" [pid 5838] <... ioctl resumed>) = 0 [pid 6371] <... chdir resumed>) = 0 [pid 5838] close(3 [pid 6371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] rmdir("./35" [pid 5839] getdents64(4, [pid 5837] <... rmdir resumed>) = 0 [pid 6371] <... prctl resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6371] setpgid(0, 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6371] <... setpgid resumed>) = 0 [pid 5839] close(4 [pid 5837] mkdir("./36", 0777 [pid 6371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6371 [pid 5839] <... close resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5839] rmdir("./34/bus" [pid 6371] <... openat resumed>) = 3 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5839] <... rmdir resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 6371] write(3, "1000", 4) = 4 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6371] close(3./strace-static-x86_64: Process 6372 attached ) = 0 [pid 5837] <... ioctl resumed>) = 0 [pid 6371] symlink("/dev/binderfs", "./binderfs" [pid 5839] getdents64(3, [pid 5837] close(3 [pid 6371] <... symlink resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] <... close resumed>) = 0 executing program [pid 6371] write(1, "executing program\n", 18 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6372 [pid 6371] <... write resumed>) = 18 [pid 5839] close(3 [pid 6372] set_robust_list(0x55557a9486a0, 24 [pid 6371] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... close resumed>) = 0 [pid 6372] <... set_robust_list resumed>) = 0 [pid 6371] <... futex resumed>) = 0 [pid 5839] rmdir("./34" [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6372] chdir("./36" [pid 6371] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5839] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6373 attached [pid 6372] <... chdir resumed>) = 0 [pid 6371] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5839] mkdir("./35", 0777 [pid 6372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5839] <... mkdir resumed>) = 0 [pid 6371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6373] set_robust_list(0x55557a9486a0, 24 [pid 6372] <... prctl resumed>) = 0 [pid 6371] <... mmap resumed>) = 0x7fee5fb34000 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6373] <... set_robust_list resumed>) = 0 [pid 6372] setpgid(0, 0 [pid 6371] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6373] chdir("./36" [pid 6372] <... setpgid resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 6373] <... chdir resumed>) = 0 [pid 6372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6371] <... mprotect resumed>) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6373 [pid 6372] <... openat resumed>) = 3 [pid 6371] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5839] <... ioctl resumed>) = 0 [pid 6373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6371] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5839] close(3 [pid 6373] <... prctl resumed>) = 0 [pid 6372] write(3, "1000", 4 [pid 6371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5839] <... close resumed>) = 0 [pid 6373] setpgid(0, 0 [pid 6372] <... write resumed>) = 4 [pid 6372] close(3 [pid 6373] <... setpgid resumed>) = 0 [pid 6372] <... close resumed>) = 0 ./strace-static-x86_64: Process 6374 attached [pid 6373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6372] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6374] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6373] <... openat resumed>) = 3 [pid 6373] write(3, "1000", 4 [pid 6372] write(1, "executing program\n", 18 [pid 6373] <... write resumed>) = 4 [pid 6372] <... write resumed>) = 18 [pid 6374] <... rseq resumed>) = 0 [pid 6373] close(3 [pid 6372] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... clone3 resumed> => {parent_tid=[6374]}, 88) = 6374 [pid 6374] set_robust_list(0x7fee5fb549a0, 24 [pid 6373] <... close resumed>) = 0 [pid 6372] <... futex resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6374] <... set_robust_list resumed>) = 0 [pid 6373] symlink("/dev/binderfs", "./binderfs" [pid 6371] rt_sigprocmask(SIG_SETMASK, [], [pid 6374] rt_sigprocmask(SIG_SETMASK, [], [pid 6373] <... symlink resumed>) = 0 [pid 6372] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6359] +++ exited with 0 +++ [pid 6374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6371] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6375 attached [pid 6374] memfd_create("syzkaller", 0 executing program [pid 6373] write(1, "executing program\n", 18 [pid 6372] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6371] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6359, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6373] <... write resumed>) = 18 [pid 6372] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6371] <... futex resumed>) = 0 [pid 6374] <... memfd_create resumed>) = 3 [pid 6373] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6374] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6373] <... futex resumed>) = 0 [pid 6372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6371] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6375 [pid 6374] <... mmap resumed>) = 0x7fee57600000 [pid 6373] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6372] <... mmap resumed>) = 0x7fee5fb34000 [pid 5836] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6375] set_robust_list(0x55557a9486a0, 24 [pid 6373] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6372] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6372] <... mprotect resumed>) = 0 [pid 6374] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6372] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6375] <... set_robust_list resumed>) = 0 [pid 6373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6372] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6373] <... mmap resumed>) = 0x7fee5fb34000 [pid 6372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6376 attached [pid 6375] chdir("./35" [pid 6373] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5836] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6376] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6373] <... mprotect resumed>) = 0 [pid 6372] <... clone3 resumed> => {parent_tid=[6376]}, 88) = 6376 [pid 6376] <... rseq resumed>) = 0 [pid 6375] <... chdir resumed>) = 0 [pid 6373] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6372] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] <... openat resumed>) = 3 [pid 6376] set_robust_list(0x7fee5fb549a0, 24 [pid 6373] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] newfstatat(3, "", [pid 6376] <... set_robust_list resumed>) = 0 [pid 6375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6372] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6377 attached [pid 6376] rt_sigprocmask(SIG_SETMASK, [], [pid 6375] <... prctl resumed>) = 0 [pid 6372] <... futex resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6377] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6373] <... clone3 resumed> => {parent_tid=[6377]}, 88) = 6377 [pid 6372] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6377] <... rseq resumed>) = 0 [pid 6376] memfd_create("syzkaller", 0 [pid 6374] <... write resumed>) = 131072 [pid 6373] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] getdents64(3, [pid 6377] set_robust_list(0x7fee5fb549a0, 24 [pid 6376] <... memfd_create resumed>) = 3 [pid 6373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6377] <... set_robust_list resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6375] setpgid(0, 0 [pid 6374] munmap(0x7fee57600000, 138412032 [pid 5836] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6375] <... setpgid resumed>) = 0 [pid 6377] rt_sigprocmask(SIG_SETMASK, [], [pid 6376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6373] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6376] <... mmap resumed>) = 0x7fee57600000 [pid 6374] <... munmap resumed>) = 0 [pid 6373] <... futex resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6377] memfd_create("syzkaller", 0 [pid 6376] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6373] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6377] <... memfd_create resumed>) = 3 [pid 5836] newfstatat(AT_FDCWD, "./34/binderfs", [pid 6377] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6375] <... openat resumed>) = 3 [pid 6377] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6376] <... write resumed>) = 131072 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6375] write(3, "1000", 4 [pid 6377] <... write resumed>) = 131072 [pid 6376] munmap(0x7fee57600000, 138412032 [pid 6377] munmap(0x7fee57600000, 138412032 [pid 6375] <... write resumed>) = 4 [pid 6374] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5836] unlink("./34/binderfs" [pid 6375] close(3 [pid 6374] <... openat resumed>) = 4 [pid 6375] <... close resumed>) = 0 [pid 6375] symlink("/dev/binderfs", "./binderfs" [pid 6374] ioctl(4, LOOP_SET_FD, 3 [pid 5836] <... unlink resumed>) = 0 [pid 6375] <... symlink resumed>) = 0 [pid 6377] <... munmap resumed>) = 0 [pid 6376] <... munmap resumed>) = 0 [pid 6377] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6376] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6377] ioctl(4, LOOP_SET_FD, 3 [pid 6376] ioctl(4, LOOP_SET_FD, 3 [pid 6375] write(1, "executing program\n", 18 [pid 6374] <... ioctl resumed>) = 0 [pid 5836] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6375] <... write resumed>) = 18 [pid 6374] close(3 [pid 6375] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] <... close resumed>) = 0 [pid 6374] close(4 [pid 6375] <... futex resumed>) = 0 [pid 6375] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 6374] <... close resumed>) = 0 [pid 6376] <... ioctl resumed>) = 0 [pid 6377] <... ioctl resumed>) = 0 [pid 6375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6374] mkdir("./bus", 0777 [pid 5836] <... umount2 resumed>) = 0 [pid 5836] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6376] close(3) = 0 [pid 6376] close(4 [pid 6374] <... mkdir resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6376] <... close resumed>) = 0 [pid 6376] mkdir("./bus", 0777 [pid 5836] newfstatat(AT_FDCWD, "./34/bus", [pid 6377] close(3 [pid 6376] <... mkdir resumed>) = 0 [pid 6375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6374] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6377] <... close resumed>) = 0 [pid 6376] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 5836] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6377] close(4 [pid 6376] <... mount resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6377] <... close resumed>) = 0 [pid 6375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] openat(AT_FDCWD, "./34/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6377] mkdir("./bus", 0777) = 0 [pid 6375] <... mmap resumed>) = 0x7fee5fb34000 [pid 5836] <... openat resumed>) = 4 [pid 6376] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6377] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6376] chdir("./bus") = 0 [pid 6375] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5836] newfstatat(4, "", [pid 6376] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6375] <... mprotect resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6376] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 91.990390][ T6374] loop4: detected capacity change from 0 to 256 [ 91.992867][ T6377] loop1: detected capacity change from 0 to 256 [ 92.007589][ T6376] loop2: detected capacity change from 0 to 256 [pid 6375] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6372] <... futex resumed>) = 0 [pid 5836] getdents64(4, [pid 6377] <... mount resumed>) = 0 [pid 6376] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6374] <... mount resumed>) = 0 [pid 6372] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6372] <... futex resumed>) = 0 [pid 5836] getdents64(4, [pid 6377] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6376] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6372] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6377] <... openat resumed>) = 3 [pid 6375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6374] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5836] close(4 [pid 6376] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6378 attached [pid 5836] <... close resumed>) = 0 [pid 6374] <... openat resumed>) = 3 [pid 6375] <... clone3 resumed> => {parent_tid=[6378]}, 88) = 6378 [pid 5836] rmdir("./34/bus" [pid 6378] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6374] chdir("./bus" [pid 6378] <... rseq resumed>) = 0 [pid 6376] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] rt_sigprocmask(SIG_SETMASK, [], [pid 6374] <... chdir resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 6378] set_robust_list(0x7fee5fb549a0, 24 [pid 6375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6378] <... set_robust_list resumed>) = 0 [pid 6374] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6375] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] getdents64(3, [pid 6378] rt_sigprocmask(SIG_SETMASK, [], [pid 6376] <... futex resumed>) = 1 [pid 6378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6372] <... futex resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6377] chdir("./bus" [pid 6376] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6375] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6372] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] memfd_create("syzkaller", 0 [pid 6377] <... chdir resumed>) = 0 [pid 6376] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... futex resumed>) = 0 [pid 5836] close(3 [pid 6378] <... memfd_create resumed>) = 3 [pid 6377] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6376] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] <... futex resumed>) = 1 [pid 6372] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6371] <... futex resumed>) = 0 [pid 6378] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5836] <... close resumed>) = 0 [pid 6377] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6376] <... futex resumed>) = 0 [pid 6372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6371] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] <... mmap resumed>) = 0x7fee57600000 [pid 6377] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6372] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... futex resumed>) = 0 [pid 5836] rmdir("./34" [pid 6377] <... futex resumed>) = 1 [pid 6376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] <... futex resumed>) = 0 [pid 6372] <... futex resumed>) = 0 [pid 6371] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6376] dup(4 [pid 6373] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6376] <... dup resumed>) = 5 [pid 6373] <... futex resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 6377] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6376] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6378] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6377] <... openat resumed>) = 4 [pid 6376] <... futex resumed>) = 1 [pid 6374] <... openat resumed>) = 4 [pid 6372] <... futex resumed>) = 0 [pid 5836] mkdir("./35", 0777 [pid 6377] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... mkdir resumed>) = 0 [pid 6376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6374] <... futex resumed>) = 1 [pid 6372] <... futex resumed>) = 0 [pid 6371] <... futex resumed>) = 0 [pid 6378] <... write resumed>) = 131072 [pid 6377] <... futex resumed>) = 1 [pid 6376] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6374] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6373] <... futex resumed>) = 0 [pid 6372] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6371] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6374] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] <... futex resumed>) = 0 [pid 6373] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... openat resumed>) = 3 [pid 6378] munmap(0x7fee57600000, 138412032 [pid 6377] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6374] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... futex resumed>) = 0 [pid 6371] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6378] <... munmap resumed>) = 0 [pid 6377] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] <... futex resumed>) = 0 [pid 6373] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6378] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6377] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6371] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... ioctl resumed>) = 0 [pid 6378] <... openat resumed>) = 4 [pid 6374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... futex resumed>) = 0 [pid 5836] close(3 [pid 6377] <... futex resumed>) = 0 [pid 6374] dup(4 [pid 6373] <... futex resumed>) = 0 [pid 6371] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6378] ioctl(4, LOOP_SET_FD, 3 [pid 6377] dup(4 [pid 6374] <... dup resumed>) = 5 [pid 6373] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... close resumed>) = 0 [pid 6377] <... dup resumed>) = 5 [pid 6377] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6379 attached [pid 6377] <... futex resumed>) = 1 [pid 6374] <... futex resumed>) = 1 [pid 6373] <... futex resumed>) = 0 [pid 6371] <... futex resumed>) = 0 [pid 6377] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6373] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6371] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6379 [pid 6373] <... futex resumed>) = 0 [pid 6371] <... futex resumed>) = 0 [pid 6373] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6371] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6378] <... ioctl resumed>) = 0 [pid 6379] set_robust_list(0x55557a9486a0, 24) = 0 [pid 6379] chdir("./35" [pid 6378] close(3) = 0 [pid 6379] <... chdir resumed>) = 0 [pid 6378] close(4) = 0 [pid 6378] mkdir("./bus", 0777 [pid 6379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6378] <... mkdir resumed>) = 0 [pid 6372] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6379] <... prctl resumed>) = 0 [pid 6372] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] setpgid(0, 0) = 0 [pid 6372] <... futex resumed>) = 0 [pid 6372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6372] <... mmap resumed>) = 0x7fee5fb13000 [pid 6372] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6379] <... openat resumed>) = 3 [pid 6378] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6372] <... mprotect resumed>) = 0 [pid 6379] write(3, "1000", 4 [pid 6378] <... mount resumed>) = 0 [pid 6379] <... write resumed>) = 4 [pid 6372] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6379] close(3 [pid 6372] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6379] <... close resumed>) = 0 [pid 6379] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6378] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6379] write(1, "executing program\n", 18./strace-static-x86_64: Process 6380 attached ) = 18 [pid 6378] <... openat resumed>) = 3 [pid 6380] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6379] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] chdir("./bus" [pid 6372] <... clone3 resumed> => {parent_tid=[6380]}, 88) = 6380 [pid 6380] <... rseq resumed>) = 0 [pid 6379] <... futex resumed>) = 0 [pid 6378] <... chdir resumed>) = 0 [pid 6372] rt_sigprocmask(SIG_SETMASK, [], [ 92.098302][ T6378] loop3: detected capacity change from 0 to 256 [pid 6380] set_robust_list(0x7fee5fb339a0, 24 [pid 6379] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6378] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6380] <... set_robust_list resumed>) = 0 [pid 6379] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6378] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6380] rt_sigprocmask(SIG_SETMASK, [], [pid 6379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6378] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6373] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6380] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6378] <... futex resumed>) = 1 [pid 6375] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = 0 [pid 6372] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6378] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6375] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6371] <... futex resumed>) = 0 [pid 6379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6372] <... futex resumed>) = 0 [pid 6380] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6379] <... mmap resumed>) = 0x7fee5fb34000 [pid 6378] <... openat resumed>) = 4 [pid 6375] <... futex resumed>) = 0 [pid 6373] <... mmap resumed>) = 0x7fee5fb13000 [pid 6372] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6379] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6378] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6371] <... mmap resumed>) = 0x7fee5fb13000 [pid 6380] <... madvise resumed>) = 0 [pid 6379] <... mprotect resumed>) = 0 [pid 6378] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6375] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... mprotect resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6379] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6375] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6378] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6373] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6371] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6380] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6378] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6373] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6380] <... futex resumed>) = 1 [pid 6379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6372] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6381 attached ./strace-static-x86_64: Process 6382 attached [pid 6380] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6378] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... mprotect resumed>) = 0 [pid 6381] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6378] <... futex resumed>) = 1 [pid 6375] <... futex resumed>) = 0 [pid 6371] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6382] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6381] <... rseq resumed>) = 0 [pid 6379] <... clone3 resumed> => {parent_tid=[6381]}, 88) = 6381 [pid 6378] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... clone3 resumed> => {parent_tid=[6382]}, 88) = 6382 [pid 6371] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6382] <... rseq resumed>) = 0 [pid 6381] set_robust_list(0x7fee5fb549a0, 24 [pid 6379] rt_sigprocmask(SIG_SETMASK, [], [pid 6378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6375] <... futex resumed>) = 0 [pid 6373] rt_sigprocmask(SIG_SETMASK, [], [pid 6371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6383 attached [pid 6382] set_robust_list(0x7fee5fb339a0, 24 [pid 6381] <... set_robust_list resumed>) = 0 [pid 6379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6378] dup(4 [pid 6375] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6383] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6382] <... set_robust_list resumed>) = 0 [pid 6381] rt_sigprocmask(SIG_SETMASK, [], [pid 6379] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] <... dup resumed>) = 5 [pid 6373] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... clone3 resumed> => {parent_tid=[6383]}, 88) = 6383 [pid 6383] <... rseq resumed>) = 0 [pid 6382] rt_sigprocmask(SIG_SETMASK, [], [pid 6381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6379] <... futex resumed>) = 0 [pid 6378] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... futex resumed>) = 0 [pid 6371] rt_sigprocmask(SIG_SETMASK, [], [pid 6383] set_robust_list(0x7fee5fb339a0, 24 [pid 6382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6381] memfd_create("syzkaller", 0 [pid 6379] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6378] <... futex resumed>) = 1 [pid 6375] <... futex resumed>) = 0 [pid 6373] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6382] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6378] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6375] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] <... madvise resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6371] <... futex resumed>) = 0 [pid 6383] <... set_robust_list resumed>) = 0 [pid 6381] <... memfd_create resumed>) = 3 [pid 6371] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] rt_sigprocmask(SIG_SETMASK, [], [pid 6381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6375] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6381] <... mmap resumed>) = 0x7fee57600000 [pid 6383] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6381] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6383] <... madvise resumed>) = 0 [pid 6382] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... write resumed>) = 131072 [pid 6382] <... futex resumed>) = 1 [pid 6373] <... futex resumed>) = 0 [pid 6382] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6383] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] munmap(0x7fee57600000, 138412032 [pid 6383] <... futex resumed>) = 1 [pid 6381] <... munmap resumed>) = 0 [pid 6371] <... futex resumed>) = 0 [pid 6383] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6381] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6375] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6375] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] close(3 [pid 6375] <... futex resumed>) = 0 [pid 6381] <... close resumed>) = 0 [pid 6375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6381] close(4 [pid 6375] <... mmap resumed>) = 0x7fee5fb13000 [pid 6381] <... close resumed>) = 0 [pid 6375] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6381] mkdir("./bus", 0777 [pid 6375] <... mprotect resumed>) = 0 [pid 6381] <... mkdir resumed>) = 0 [pid 6375] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6384 attached [pid 6384] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6375] <... clone3 resumed> => {parent_tid=[6384]}, 88) = 6384 [pid 6381] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6384] <... rseq resumed>) = 0 [pid 6375] rt_sigprocmask(SIG_SETMASK, [], [pid 6384] set_robust_list(0x7fee5fb339a0, 24 [pid 6375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6384] <... set_robust_list resumed>) = 0 [pid 6375] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6384] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6381] <... mount resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6381] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6375] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6381] <... openat resumed>) = 3 [pid 6381] chdir("./bus") = 0 [pid 6381] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6381] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... madvise resumed>) = 0 [pid 6381] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 0 [pid 6381] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6379] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... openat resumed>) = 4 [pid 6381] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] <... futex resumed>) = 0 [pid 6381] <... futex resumed>) = 0 [pid 6379] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6381] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [ 92.242939][ T6381] loop0: detected capacity change from 0 to 256 [pid 6381] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6379] <... futex resumed>) = 0 [pid 6381] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6381] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6381] <... futex resumed>) = 0 [pid 6384] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6381] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] <... futex resumed>) = 0 [pid 6384] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] <... mmap resumed>) = 0x20000000 [pid 6377] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] exit_group(0 [pid 6377] <... futex resumed>) = 230 [pid 6382] <... futex resumed>) = ? [pid 6381] <... futex resumed>) = 0 [pid 6379] <... futex resumed>) = 1 [pid 6373] <... exit_group resumed>) = ? [pid 6382] +++ exited with 0 +++ [pid 6381] dup(4 [pid 6377] +++ exited with 0 +++ [pid 6379] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6381] <... dup resumed>) = 5 [pid 6381] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6379] <... futex resumed>) = 0 [pid 6379] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6379] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6381] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6374] <... mmap resumed>) = 0x20000000 [pid 6378] <... mmap resumed>) = 0x20000000 [pid 6376] <... mmap resumed>) = 0x20000000 [pid 6374] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6376] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] <... futex resumed>) = 0 [pid 6374] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6371] exit_group(0 [pid 6372] exit_group(0 [pid 6383] <... futex resumed>) = ? [pid 6380] <... futex resumed>) = ? [pid 6378] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... futex resumed>) = ? [pid 6374] <... futex resumed>) = ? [pid 6373] +++ exited with 0 +++ [pid 6372] <... exit_group resumed>) = ? [pid 6371] <... exit_group resumed>) = ? [pid 6383] +++ exited with 0 +++ [pid 6380] +++ exited with 0 +++ [pid 6378] <... futex resumed>) = 0 [pid 6375] exit_group(0 [pid 6374] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6373, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6378] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6371] +++ exited with 0 +++ [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 6384] <... futex resumed>) = ? [pid 6378] <... futex resumed>) = ? [pid 6375] <... exit_group resumed>) = ? [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6371, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5837] <... restart_syscall resumed>) = 0 [pid 6378] +++ exited with 0 +++ [pid 5837] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./36/binderfs") = 0 [pid 5837] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6384] +++ exited with 0 +++ [pid 6381] <... mmap resumed>) = 0x20000000 [pid 6376] +++ exited with 0 +++ [pid 6375] +++ exited with 0 +++ [pid 6372] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6375, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6372, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6381] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5837] <... umount2 resumed>) = 0 [pid 6381] <... futex resumed>) = 0 [pid 6379] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6381] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6379] <... futex resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6381] <... madvise resumed>) = 0 [pid 6379] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6381] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... openat resumed>) = 3 [pid 5839] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] newfstatat(AT_FDCWD, "./36/bus", [pid 6381] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 0 [pid 5840] newfstatat(3, "", [pid 5839] <... openat resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6381] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] exit_group(0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6381] <... futex resumed>) = ? [pid 6379] <... exit_group resumed>) = ? [pid 5840] getdents64(3, [pid 5839] newfstatat(3, "", [pid 5838] newfstatat(3, "", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6381] +++ exited with 0 +++ [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] openat(AT_FDCWD, "./36/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] getdents64(3, [pid 5839] getdents64(3, [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] <... openat resumed>) = 4 [pid 5839] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./35/binderfs", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./36/binderfs", [pid 5840] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] newfstatat(4, "", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(AT_FDCWD, "./36/binderfs", [pid 5839] unlink("./35/binderfs" [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] unlink("./36/binderfs" [pid 5840] unlink("./36/binderfs") = 0 [pid 5839] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 5837] getdents64(4, [pid 5840] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = 0 [pid 5838] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./35/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./35/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5839] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] close(4) = 0 [pid 5839] rmdir("./35/bus") = 0 [pid 5839] getdents64(3, [pid 5837] getdents64(4, [pid 6379] +++ exited with 0 +++ [pid 5840] <... umount2 resumed>) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 5840] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6379, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] close(4 [pid 5840] newfstatat(AT_FDCWD, "./36/bus", [pid 5838] newfstatat(AT_FDCWD, "./36/bus", [pid 5837] <... close resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] rmdir("./36/bus" [pid 5840] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] close(3) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5838] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] rmdir("./35" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] getdents64(3, [pid 5836] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] openat(AT_FDCWD, "./36/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] openat(AT_FDCWD, "./36/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... openat resumed>) = 4 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... openat resumed>) = 4 [pid 5837] close(3 [pid 5836] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] newfstatat(4, "", [pid 5839] mkdir("./36", 0777 [pid 5838] newfstatat(4, "", [pid 5837] <... close resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] rmdir("./36" [pid 5836] newfstatat(3, "", [pid 5840] getdents64(4, [pid 5839] <... mkdir resumed>) = 0 [pid 5838] getdents64(4, [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] getdents64(3, [pid 5837] mkdir("./37", 0777 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5838] getdents64(4, [pid 5837] <... mkdir resumed>) = 0 [pid 5836] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... ioctl resumed>) = 0 [pid 5838] close(4 [pid 5839] close(3 [pid 5838] <... close resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] getdents64(4, [pid 5838] rmdir("./36/bus" [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] newfstatat(AT_FDCWD, "./35/binderfs", [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] close(4 [pid 5838] getdents64(3, [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5836] unlink("./35/binderfs" [pid 5840] <... close resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] <... ioctl resumed>) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 5840] rmdir("./36/bus" [pid 5838] close(3 [pid 5837] close(3 [pid 5836] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... rmdir resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] rmdir("./36" [pid 5840] getdents64(3, [pid 5838] <... rmdir resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6385 attached [pid 5840] close(3 [pid 5836] <... umount2 resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5838] mkdir("./37", 0777 [pid 5840] rmdir("./36" [pid 6385] set_robust_list(0x55557a9486a0, 24 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6385 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./35/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] mkdir("./37", 0777 [pid 5838] <... openat resumed>) = 3 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] openat(AT_FDCWD, "./35/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6385] <... set_robust_list resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5836] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6386 attached [pid 5838] <... ioctl resumed>) = 0 [pid 5836] newfstatat(4, "", [pid 6386] set_robust_list(0x55557a9486a0, 24 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5838] close(3 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6386] <... set_robust_list resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5838] <... close resumed>) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6386 [pid 5836] getdents64(4, [pid 6386] chdir("./37" [pid 6385] chdir("./36" [pid 5840] ioctl(3, LOOP_CLR_FD) = 0 [pid 6385] <... chdir resumed>) = 0 [pid 5840] close(3 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... close resumed>) = 0 [pid 6385] <... prctl resumed>) = 0 [pid 6386] <... chdir resumed>) = 0 [pid 6385] setpgid(0, 0 [pid 5836] getdents64(4, [pid 6386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6385] <... setpgid resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6386] <... prctl resumed>) = 0 [pid 5836] close(4 [pid 6386] setpgid(0, 0 [pid 6385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... close resumed>) = 0 [pid 6386] <... setpgid resumed>) = 0 [pid 6385] <... openat resumed>) = 3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] rmdir("./35/bus"./strace-static-x86_64: Process 6387 attached [pid 6386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6385] write(3, "1000", 4 [pid 5836] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6388 attached [pid 6386] <... openat resumed>) = 3 [pid 6385] <... write resumed>) = 4 [pid 6385] close(3 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6388 [pid 6385] <... close resumed>) = 0 [pid 6385] symlink("/dev/binderfs", "./binderfs" [pid 6388] set_robust_list(0x55557a9486a0, 24 executing program [pid 6385] <... symlink resumed>) = 0 [pid 6385] write(1, "executing program\n", 18) = 18 [pid 6386] write(3, "1000", 4 [pid 6385] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6388] <... set_robust_list resumed>) = 0 [pid 6386] <... write resumed>) = 4 [pid 6385] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6387] set_robust_list(0x55557a9486a0, 24 [pid 6385] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6388] chdir("./37" [pid 6386] close(3 [pid 6385] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6387 [pid 6387] <... set_robust_list resumed>) = 0 [pid 6386] <... close resumed>) = 0 [pid 6385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6388] <... chdir resumed>) = 0 [pid 6387] chdir("./37" [pid 6386] symlink("/dev/binderfs", "./binderfs" [pid 6385] <... mmap resumed>) = 0x7fee5fb34000 [pid 5836] getdents64(3, [pid 6388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6386] <... symlink resumed>) = 0 [pid 6385] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6388] <... prctl resumed>) = 0 [pid 6387] <... chdir resumed>) = 0 executing program [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6385] <... mprotect resumed>) = 0 [pid 6387] <... prctl resumed>) = 0 [pid 6388] setpgid(0, 0 [pid 6386] write(1, "executing program\n", 18 [pid 5836] close(3 [pid 6388] <... setpgid resumed>) = 0 [pid 6387] setpgid(0, 0 [pid 6386] <... write resumed>) = 18 [pid 6385] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5836] <... close resumed>) = 0 [pid 6388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6386] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] rmdir("./35" [pid 6386] <... futex resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 6388] <... openat resumed>) = 3 [pid 6386] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 6388] write(3, "1000", 4 [pid 6387] <... setpgid resumed>) = 0 [pid 6385] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5836] mkdir("./36", 0777 [pid 6387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6388] <... write resumed>) = 4 ./strace-static-x86_64: Process 6389 attached [pid 6389] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6385] <... clone3 resumed> => {parent_tid=[6389]}, 88) = 6389 [pid 6389] <... rseq resumed>) = 0 [pid 6388] close(3 [pid 6387] <... openat resumed>) = 3 [pid 6386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6385] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] <... mkdir resumed>) = 0 [pid 6389] set_robust_list(0x7fee5fb549a0, 24 [pid 6385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6389] <... set_robust_list resumed>) = 0 [pid 6387] write(3, "1000", 4 [pid 6385] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] rt_sigprocmask(SIG_SETMASK, [], [pid 6387] <... write resumed>) = 4 [pid 6389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6385] <... futex resumed>) = 0 [pid 6389] memfd_create("syzkaller", 0 [pid 6388] <... close resumed>) = 0 [pid 6387] close(3 [pid 6386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6385] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6389] <... memfd_create resumed>) = 3 [pid 6387] <... close resumed>) = 0 [pid 6386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] <... openat resumed>) = 3 [pid 6387] symlink("/dev/binderfs", "./binderfs" [pid 6386] <... mmap resumed>) = 0x7fee5fb34000 [pid 6388] symlink("/dev/binderfs", "./binderfs"executing program [pid 6386] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6388] <... symlink resumed>) = 0 [pid 6387] <... symlink resumed>) = 0 [pid 6386] <... mprotect resumed>) = 0 [pid 5836] <... ioctl resumed>) = 0 [pid 6388] write(1, "executing program\n", 18) = 18 [pid 5836] close(3executing program [pid 6388] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5836] <... close resumed>) = 0 [pid 6389] <... mmap resumed>) = 0x7fee57600000 [pid 6387] write(1, "executing program\n", 18) = 18 [pid 6388] <... futex resumed>) = 0 [pid 6389] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6388] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6386] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6387] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6390 attached [pid 6388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6386] <... clone3 resumed> => {parent_tid=[6390]}, 88) = 6390 [pid 6388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6386] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6390] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6388] <... mmap resumed>) = 0x7fee5fb34000 [pid 6387] <... futex resumed>) = 0 [pid 6386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6390] <... rseq resumed>) = 0 [pid 6388] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6386] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] set_robust_list(0x7fee5fb549a0, 24 [pid 6388] <... mprotect resumed>) = 0 [pid 6387] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6386] <... futex resumed>) = 0 [pid 6390] <... set_robust_list resumed>) = 0 [pid 6388] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6387] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6386] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6391 [pid 6390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6388] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6390] memfd_create("syzkaller", 0 [pid 6388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6392 attached [pid 6390] <... memfd_create resumed>) = 3 [pid 6392] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6388] <... clone3 resumed> => {parent_tid=[6392]}, 88) = 6392 ./strace-static-x86_64: Process 6391 attached [pid 6392] <... rseq resumed>) = 0 [pid 6390] <... mmap resumed>) = 0x7fee57600000 [pid 6388] rt_sigprocmask(SIG_SETMASK, [], [pid 6387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6392] set_robust_list(0x7fee5fb549a0, 24 [pid 6391] set_robust_list(0x55557a9486a0, 24 [pid 6390] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6389] <... write resumed>) = 131072 [pid 6388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6392] <... set_robust_list resumed>) = 0 [pid 6392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6391] <... set_robust_list resumed>) = 0 [pid 6389] munmap(0x7fee57600000, 138412032 [pid 6388] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6392] memfd_create("syzkaller", 0 [pid 6387] <... mmap resumed>) = 0x7fee5fb34000 [pid 6391] chdir("./36" [pid 6392] <... memfd_create resumed>) = 3 [pid 6388] <... futex resumed>) = 0 [pid 6392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6391] <... chdir resumed>) = 0 [pid 6389] <... munmap resumed>) = 0 [pid 6388] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6387] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6392] <... mmap resumed>) = 0x7fee57600000 [pid 6391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6390] <... write resumed>) = 131072 [pid 6391] <... prctl resumed>) = 0 [pid 6389] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6387] <... mprotect resumed>) = 0 [pid 6392] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6391] setpgid(0, 0 [pid 6389] <... openat resumed>) = 4 [pid 6387] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6391] <... setpgid resumed>) = 0 [pid 6389] ioctl(4, LOOP_SET_FD, 3 [pid 6387] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6392] <... write resumed>) = 131072 [pid 6391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6390] munmap(0x7fee57600000, 138412032 [pid 6387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6390] <... munmap resumed>) = 0 [pid 6390] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6392] munmap(0x7fee57600000, 138412032) = 0 [pid 6390] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6393 attached [pid 6391] <... openat resumed>) = 3 [pid 6389] <... ioctl resumed>) = 0 [pid 6391] write(3, "1000", 4 [pid 6389] close(3 [pid 6387] <... clone3 resumed> => {parent_tid=[6393]}, 88) = 6393 [pid 6391] <... write resumed>) = 4 [pid 6387] rt_sigprocmask(SIG_SETMASK, [], [pid 6392] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6391] close(3 [pid 6387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6393] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6391] <... close resumed>) = 0 [pid 6389] <... close resumed>) = 0 [pid 6387] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... rseq resumed>) = 0 [pid 6391] symlink("/dev/binderfs", "./binderfs" [pid 6389] close(4executing program [pid 6387] <... futex resumed>) = 0 [pid 6391] <... symlink resumed>) = 0 [pid 6389] <... close resumed>) = 0 [pid 6392] <... openat resumed>) = 4 [pid 6392] ioctl(4, LOOP_SET_FD, 3 [pid 6391] write(1, "executing program\n", 18 [pid 6389] mkdir("./bus", 0777 [pid 6387] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6391] <... write resumed>) = 18 [pid 6390] <... ioctl resumed>) = 0 [pid 6393] set_robust_list(0x7fee5fb549a0, 24 [pid 6391] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... mkdir resumed>) = 0 [pid 6391] <... futex resumed>) = 0 [pid 6391] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 6391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6389] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6391] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6393] <... set_robust_list resumed>) = 0 [pid 6390] close(3 [pid 6391] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6393] rt_sigprocmask(SIG_SETMASK, [], [pid 6391] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6390] <... close resumed>) = 0 [pid 6393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6390] close(4 [pid 6393] memfd_create("syzkaller", 0 [pid 6390] <... close resumed>) = 0 [pid 6393] <... memfd_create resumed>) = 3 [pid 6390] mkdir("./bus", 0777./strace-static-x86_64: Process 6394 attached [pid 6393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6390] <... mkdir resumed>) = 0 [pid 6393] <... mmap resumed>) = 0x7fee57600000 [pid 6390] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6394] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6393] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6391] <... clone3 resumed> => {parent_tid=[6394]}, 88) = 6394 [pid 6389] <... mount resumed>) = 0 [pid 6394] <... rseq resumed>) = 0 [pid 6391] rt_sigprocmask(SIG_SETMASK, [], [pid 6394] set_robust_list(0x7fee5fb549a0, 24 [pid 6391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6394] <... set_robust_list resumed>) = 0 [pid 6391] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] <... mount resumed>) = 0 [pid 6389] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6394] rt_sigprocmask(SIG_SETMASK, [], [pid 6393] <... write resumed>) = 131072 [pid 6392] <... ioctl resumed>) = 0 [pid 6391] <... futex resumed>) = 0 [ 92.547471][ T6389] loop3: detected capacity change from 0 to 256 [ 92.551264][ T6390] loop1: detected capacity change from 0 to 256 [ 92.582154][ T6392] loop2: detected capacity change from 0 to 256 [pid 6390] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6391] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6390] <... openat resumed>) = 3 [pid 6393] munmap(0x7fee57600000, 138412032 [pid 6392] close(3 [pid 6390] chdir("./bus" [pid 6393] <... munmap resumed>) = 0 [pid 6392] <... close resumed>) = 0 [pid 6390] <... chdir resumed>) = 0 [pid 6390] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6392] close(4 [pid 6390] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6392] <... close resumed>) = 0 [pid 6390] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] memfd_create("syzkaller", 0 [pid 6393] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6392] mkdir("./bus", 0777 [pid 6390] <... futex resumed>) = 1 [pid 6386] <... futex resumed>) = 0 [pid 6386] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6392] <... mkdir resumed>) = 0 [pid 6386] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... openat resumed>) = 4 [pid 6390] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6393] ioctl(4, LOOP_SET_FD, 3 [pid 6390] <... openat resumed>) = 4 [pid 6389] <... openat resumed>) = 3 [pid 6394] <... memfd_create resumed>) = 3 [pid 6390] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] chdir("./bus" [pid 6394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6390] <... futex resumed>) = 1 [pid 6389] <... chdir resumed>) = 0 [pid 6390] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] <... mmap resumed>) = 0x7fee57600000 [pid 6389] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6394] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6392] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6389] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6386] <... futex resumed>) = 0 [pid 6389] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... futex resumed>) = 1 [pid 6385] <... futex resumed>) = 0 [pid 6389] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6385] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6385] <... futex resumed>) = 0 [pid 6390] <... futex resumed>) = 0 [pid 6389] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6386] <... futex resumed>) = 1 [pid 6385] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] <... write resumed>) = 131072 [pid 6390] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6389] <... openat resumed>) = 4 [pid 6386] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6390] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] munmap(0x7fee57600000, 138412032 [pid 6390] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... futex resumed>) = 1 [pid 6385] <... futex resumed>) = 0 [pid 6394] <... munmap resumed>) = 0 [pid 6392] <... mount resumed>) = 0 [pid 6390] <... futex resumed>) = 1 [pid 6389] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6386] <... futex resumed>) = 0 [pid 6385] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6390] dup(4 [pid 6389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6386] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] <... futex resumed>) = 0 [pid 6394] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6392] <... openat resumed>) = 3 [pid 6390] <... dup resumed>) = 5 [pid 6389] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6386] <... futex resumed>) = 0 [pid 6385] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] <... openat resumed>) = 4 [pid 6392] chdir("./bus" [pid 6390] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] ioctl(4, LOOP_SET_FD, 3 [pid 6392] <... chdir resumed>) = 0 [pid 6390] <... futex resumed>) = 0 [pid 6389] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6393] <... ioctl resumed>) = 0 [pid 6392] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6390] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6386] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] close(3 [pid 6392] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6386] <... futex resumed>) = 0 [pid 6393] <... close resumed>) = 0 [pid 6392] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6386] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] close(4 [pid 6392] <... futex resumed>) = 1 [pid 6389] <... futex resumed>) = 1 [pid 6388] <... futex resumed>) = 0 [pid 6392] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6388] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... futex resumed>) = 0 [pid 6388] <... futex resumed>) = 1 [pid 6393] <... close resumed>) = 0 [pid 6392] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6388] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] mkdir("./bus", 0777 [pid 6392] <... openat resumed>) = 4 [pid 6389] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6385] <... futex resumed>) = 0 [pid 6392] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6385] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... futex resumed>) = 1 [pid 6389] dup(4 [pid 6388] <... futex resumed>) = 0 [pid 6385] <... futex resumed>) = 0 [pid 6392] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6389] <... dup resumed>) = 5 [pid 6388] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... mkdir resumed>) = 0 [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6389] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... futex resumed>) = 0 [pid 6385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6394] <... ioctl resumed>) = 0 [pid 6393] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6392] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6389] <... futex resumed>) = 0 [pid 6388] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] close(3 [pid 6392] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6385] <... futex resumed>) = 0 [pid 6394] <... close resumed>) = 0 [pid 6392] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6388] <... futex resumed>) = 0 [pid 6392] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6388] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6388] <... futex resumed>) = 0 [pid 6392] dup(4 [pid 6388] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6392] <... dup resumed>) = 5 [pid 6392] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6388] <... futex resumed>) = 0 [pid 6392] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6388] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6385] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] close(4 [pid 6388] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] <... close resumed>) = 0 [pid 6393] <... mount resumed>) = 0 [pid 6393] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6393] chdir("./bus") = 0 [pid 6393] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6393] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] mkdir("./bus", 0777 [pid 6393] <... futex resumed>) = 1 [pid 6393] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] <... mkdir resumed>) = 0 [pid 6387] <... futex resumed>) = 0 [ 92.613232][ T6393] loop4: detected capacity change from 0 to 256 [ 92.650929][ T6394] loop0: detected capacity change from 0 to 256 [pid 6394] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6387] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6394] <... mount resumed>) = 0 [pid 6387] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6393] <... futex resumed>) = 0 [pid 6394] <... openat resumed>) = 3 [pid 6393] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6394] chdir("./bus" [pid 6393] <... openat resumed>) = 4 [pid 6394] <... chdir resumed>) = 0 [pid 6393] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6393] <... futex resumed>) = 1 [pid 6387] <... futex resumed>) = 0 [pid 6394] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6387] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... futex resumed>) = 0 [pid 6394] <... futex resumed>) = 1 [pid 6391] <... futex resumed>) = 0 [pid 6387] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6391] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... futex resumed>) = 0 [pid 6393] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6393] <... futex resumed>) = 1 [pid 6391] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6387] <... futex resumed>) = 0 [pid 6387] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6394] <... openat resumed>) = 4 [pid 6387] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] dup(4) = 5 [pid 6393] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... futex resumed>) = 1 [pid 6387] <... futex resumed>) = 0 [pid 6394] <... futex resumed>) = 1 [pid 6393] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] <... futex resumed>) = 0 [pid 6387] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6394] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... futex resumed>) = 0 [pid 6386] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6393] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6391] <... futex resumed>) = 0 [pid 6387] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] <... futex resumed>) = 0 [pid 6394] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6391] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6394] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6391] <... futex resumed>) = 0 [pid 6394] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] <... futex resumed>) = 0 [pid 6394] dup(4 [pid 6391] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6388] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6385] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6388] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] <... dup resumed>) = 5 [pid 6388] <... futex resumed>) = 0 [pid 6385] <... futex resumed>) = 0 [pid 6394] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6394] <... futex resumed>) = 1 [pid 6388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6394] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] <... futex resumed>) = 0 [pid 6385] <... mmap resumed>) = 0x7fee5fb13000 [pid 6391] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6394] <... futex resumed>) = 0 [pid 6391] <... futex resumed>) = 1 [pid 6388] <... mmap resumed>) = 0x7fee5fb13000 [pid 6386] <... mmap resumed>) = 0x7fee5fb13000 [pid 6385] <... mprotect resumed>) = 0 [pid 6388] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6386] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6387] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6386] <... mprotect resumed>) = 0 [pid 6394] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6391] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6387] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6385] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6387] <... futex resumed>) = 0 [pid 6386] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6388] <... mprotect resumed>) = 0 [pid 6387] <... mmap resumed>) = 0x7fee5fb13000 [pid 6388] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6387] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6386] <... clone3 resumed> => {parent_tid=[6395]}, 88) = 6395 ./strace-static-x86_64: Process 6395 attached [pid 6388] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6387] <... mprotect resumed>) = 0 [pid 6386] rt_sigprocmask(SIG_SETMASK, [], [pid 6388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6387] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6395] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6387] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6386] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6395] <... rseq resumed>) = 0 [pid 6388] <... clone3 resumed> => {parent_tid=[6396]}, 88) = 6396 [pid 6387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6386] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6398 attached ./strace-static-x86_64: Process 6397 attached ./strace-static-x86_64: Process 6396 attached [pid 6395] set_robust_list(0x7fee5fb339a0, 24 [pid 6388] rt_sigprocmask(SIG_SETMASK, [], [pid 6386] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] <... set_robust_list resumed>) = 0 [pid 6388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6387] <... clone3 resumed> => {parent_tid=[6398]}, 88) = 6398 [pid 6397] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6395] rt_sigprocmask(SIG_SETMASK, [], [pid 6388] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] rt_sigprocmask(SIG_SETMASK, [], [pid 6385] <... clone3 resumed> => {parent_tid=[6397]}, 88) = 6397 [pid 6398] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6397] <... rseq resumed>) = 0 [pid 6396] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6388] <... futex resumed>) = 0 [pid 6387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6385] rt_sigprocmask(SIG_SETMASK, [], [pid 6398] <... rseq resumed>) = 0 [pid 6397] set_robust_list(0x7fee5fb339a0, 24 [pid 6396] <... rseq resumed>) = 0 [pid 6387] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6398] set_robust_list(0x7fee5fb339a0, 24 [pid 6397] <... set_robust_list resumed>) = 0 [pid 6396] set_robust_list(0x7fee5fb339a0, 24 [pid 6387] <... futex resumed>) = 0 [pid 6385] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... set_robust_list resumed>) = 0 [pid 6397] rt_sigprocmask(SIG_SETMASK, [], [pid 6396] <... set_robust_list resumed>) = 0 [pid 6395] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6388] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] <... futex resumed>) = 0 [pid 6398] rt_sigprocmask(SIG_SETMASK, [], [pid 6397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6396] rt_sigprocmask(SIG_SETMASK, [], [pid 6395] <... madvise resumed>) = 0 [pid 6387] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6397] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6398] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6396] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6398] <... madvise resumed>) = 0 [pid 6396] <... madvise resumed>) = 0 [pid 6395] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6386] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6398] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] <... futex resumed>) = 0 [pid 6398] <... futex resumed>) = 1 [pid 6395] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] <... futex resumed>) = 0 [pid 6398] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... madvise resumed>) = 0 [pid 6397] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = 0 [pid 6391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6397] <... futex resumed>) = 1 [pid 6385] <... futex resumed>) = 0 [pid 6391] <... mmap resumed>) = 0x7fee5fb13000 [pid 6397] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6388] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6399 attached [pid 6392] <... mmap resumed>) = 0x20000000 [pid 6389] <... mmap resumed>) = 0x20000000 [pid 6394] <... mmap resumed>) = 0x20000000 [pid 6399] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6391] <... clone3 resumed> => {parent_tid=[6399]}, 88) = 6399 [pid 6390] <... mmap resumed>) = 0x20000000 [pid 6399] <... rseq resumed>) = 0 [pid 6391] rt_sigprocmask(SIG_SETMASK, [], [pid 6399] set_robust_list(0x7fee5fb339a0, 24 [pid 6396] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6389] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... set_robust_list resumed>) = 0 [pid 6396] <... futex resumed>) = 0 [pid 6394] <... futex resumed>) = 0 [pid 6391] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... futex resumed>) = 0 [pid 6385] exit_group(0 [pid 6399] rt_sigprocmask(SIG_SETMASK, [], [pid 6396] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6397] <... futex resumed>) = ? [pid 6394] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = 0 [pid 6390] <... futex resumed>) = 0 [pid 6388] exit_group(0 [pid 6385] <... exit_group resumed>) = ? [pid 6399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6397] +++ exited with 0 +++ [pid 6396] <... futex resumed>) = ? [pid 6393] <... mmap resumed>) = 0x20000000 [pid 6392] <... futex resumed>) = ? [pid 6391] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6390] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6389] +++ exited with 0 +++ [pid 6388] <... exit_group resumed>) = ? [pid 6386] exit_group(0 [pid 6395] <... futex resumed>) = ? [pid 6392] +++ exited with 0 +++ [pid 6390] <... futex resumed>) = ? [pid 6386] <... exit_group resumed>) = ? [pid 6395] +++ exited with 0 +++ [pid 6393] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] +++ exited with 0 +++ [pid 6399] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6387] exit_group(0 [pid 6385] +++ exited with 0 +++ [pid 6398] <... futex resumed>) = ? [pid 6387] <... exit_group resumed>) = ? [pid 6398] +++ exited with 0 +++ [pid 6393] <... futex resumed>) = ? [pid 6386] +++ exited with 0 +++ [pid 6399] <... madvise resumed>) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6385, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 6393] +++ exited with 0 +++ [pid 6387] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6387, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6386, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 6399] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6391] <... futex resumed>) = 0 [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 6399] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6396] +++ exited with 0 +++ [pid 6391] exit_group(0 [pid 6388] +++ exited with 0 +++ [pid 5840] <... restart_syscall resumed>) = 0 [pid 6399] <... futex resumed>) = ? [pid 6394] <... futex resumed>) = ? [pid 6391] <... exit_group resumed>) = ? [pid 6399] +++ exited with 0 +++ [pid 6394] +++ exited with 0 +++ [pid 5840] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./37/binderfs", [pid 5839] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6388, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5837] <... restart_syscall resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5840] unlink("./37/binderfs" [pid 5839] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... restart_syscall resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5840] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 3 [pid 5837] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = 0 [pid 5839] newfstatat(3, "", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] getdents64(3, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... openat resumed>) = 3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... openat resumed>) = 3 [pid 5837] newfstatat(3, "", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(3, "", [pid 5839] newfstatat(AT_FDCWD, "./36/binderfs", [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] getdents64(3, [pid 5837] getdents64(3, [pid 5839] unlink("./36/binderfs" [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] newfstatat(AT_FDCWD, "./37/bus", [pid 5839] <... unlink resumed>) = 0 [pid 5838] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./37/binderfs", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./37/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... umount2 resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] newfstatat(AT_FDCWD, "./37/binderfs", [pid 5839] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... openat resumed>) = 4 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(4, "", [pid 5839] newfstatat(AT_FDCWD, "./36/bus", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./37/binderfs" [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] getdents64(4, [pid 5839] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 5837] unlink("./37/binderfs" [pid 6391] +++ exited with 0 +++ [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... unlink resumed>) = 0 [pid 5840] getdents64(4, [pid 5839] openat(AT_FDCWD, "./36/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... openat resumed>) = 4 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6391, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5840] close(4 [pid 5839] newfstatat(4, "", [pid 5837] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... close resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] rmdir("./37/bus" [pid 5839] getdents64(4, [pid 5838] <... umount2 resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] <... umount2 resumed>) = 0 [pid 5836] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] close(4 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... close resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./37/bus", [pid 5836] <... openat resumed>) = 3 [pid 5839] rmdir("./36/bus" [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(3, "", [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, [pid 5838] openat(AT_FDCWD, "./37/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] newfstatat(AT_FDCWD, "./37/bus", [pid 5836] getdents64(3, [pid 5840] getdents64(3, [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] <... openat resumed>) = 4 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] close(3 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... close resumed>) = 0 [pid 5840] close(3 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... close resumed>) = 0 [pid 5839] rmdir("./36" [pid 5837] openat(AT_FDCWD, "./37/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] rmdir("./37" [pid 5838] newfstatat(4, "", [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... openat resumed>) = 4 [pid 5838] getdents64(4, [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] newfstatat(AT_FDCWD, "./36/binderfs", [pid 5838] getdents64(4, [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] mkdir("./37", 0777 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] newfstatat(4, "", [pid 5836] unlink("./36/binderfs" [pid 5838] close(4 [pid 5836] <... unlink resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5838] rmdir("./37/bus" [pid 5836] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... rmdir resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5837] getdents64(4, [pid 5838] getdents64(3, [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] mkdir("./38", 0777 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] getdents64(4, [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] close(3 [pid 5837] close(4 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... close resumed>) = 0 [pid 5838] rmdir("./37" [pid 5837] <... close resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5837] rmdir("./37/bus" [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] mkdir("./38", 0777 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... umount2 resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... ioctl resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] getdents64(3, [pid 5839] close(3 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5839] <... close resumed>) = 0 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5837] close(3 [pid 5840] <... ioctl resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5840] close(3 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] rmdir("./37" [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5836] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... close resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6400 attached [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5836] newfstatat(AT_FDCWD, "./36/bus", [pid 5838] <... ioctl resumed>) = 0 [pid 5838] close(3 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] mkdir("./38", 0777 [pid 6400] set_robust_list(0x55557a9486a0, 24 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6400 [pid 5838] <... close resumed>) = 0 [pid 5836] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6401 attached [pid 6400] <... set_robust_list resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] <... mkdir resumed>) = 0 [pid 6400] chdir("./37" [pid 5836] openat(AT_FDCWD, "./36/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6401] set_robust_list(0x55557a9486a0, 24 [pid 6400] <... chdir resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6401 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6402 attached [pid 6401] <... set_robust_list resumed>) = 0 [pid 6400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] <... openat resumed>) = 3 [pid 5836] newfstatat(4, "", [pid 6400] <... prctl resumed>) = 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6402] set_robust_list(0x55557a9486a0, 24 [pid 6401] chdir("./38" [pid 6400] setpgid(0, 0 [pid 5837] <... ioctl resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 executing program [pid 6402] <... set_robust_list resumed>) = 0 [pid 6401] <... chdir resumed>) = 0 [pid 6400] <... setpgid resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6402 [pid 5837] close(3 [pid 5836] getdents64(4, [pid 6401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6402] chdir("./38" [pid 6401] <... prctl resumed>) = 0 [pid 6400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] <... close resumed>) = 0 [pid 5836] getdents64(4, [pid 6402] <... chdir resumed>) = 0 [pid 6401] setpgid(0, 0 [pid 6400] <... openat resumed>) = 3 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6401] <... setpgid resumed>) = 0 [pid 5836] close(4 [pid 6401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... close resumed>) = 0 [pid 6401] <... openat resumed>) = 3 [pid 5836] rmdir("./36/bus") = 0 [pid 6401] write(3, "1000", 4) = 4 [pid 6401] close(3) = 0 [pid 6401] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5836] getdents64(3, 0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6401] write(1, "executing program\n", 18 [pid 5836] close(3 [pid 6401] <... write resumed>) = 18 [pid 5836] <... close resumed>) = 0 [pid 6401] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] rmdir("./36" [pid 6401] <... futex resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 6401] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5836] mkdir("./37", 0777 [pid 6401] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6403 attached [pid 6402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6400] write(3, "1000", 4 [pid 6403] set_robust_list(0x55557a9486a0, 24 [pid 6401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 6403] <... set_robust_list resumed>) = 0 [pid 6402] <... prctl resumed>) = 0 [pid 6400] <... write resumed>) = 4 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6403 [pid 6402] setpgid(0, 0 [pid 6400] close(3) = 0 [pid 6402] <... setpgid resumed>) = 0 [pid 6400] symlink("/dev/binderfs", "./binderfs" [pid 6401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6403] chdir("./38" [pid 6402] <... openat resumed>) = 3 [pid 6401] <... mmap resumed>) = 0x7fee5fb34000 [pid 6400] <... symlink resumed>) = 0 [pid 6401] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6400] write(1, "executing program\n", 18 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6400] <... write resumed>) = 18 [pid 6403] <... chdir resumed>) = 0 [pid 6402] write(3, "1000", 4 [pid 6401] <... mprotect resumed>) = 0 [pid 6400] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... openat resumed>) = 3 [pid 6403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6401] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6403] <... prctl resumed>) = 0 [pid 6401] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5836] <... ioctl resumed>) = 0 [pid 6403] setpgid(0, 0 [pid 6401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5836] close(3executing program ./strace-static-x86_64: Process 6404 attached [pid 6403] <... setpgid resumed>) = 0 [pid 6403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6401] <... clone3 resumed> => {parent_tid=[6404]}, 88) = 6404 [pid 6403] <... openat resumed>) = 3 [pid 6401] rt_sigprocmask(SIG_SETMASK, [], [pid 6400] <... futex resumed>) = 0 [pid 6402] <... write resumed>) = 4 [pid 6401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6403] write(3, "1000", 4 [pid 6402] close(3 [pid 6401] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6403] <... write resumed>) = 4 [pid 6402] <... close resumed>) = 0 [pid 6401] <... futex resumed>) = 0 [pid 6400] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5836] <... close resumed>) = 0 [pid 6404] <... rseq resumed>) = 0 [pid 6403] close(3 [pid 6402] symlink("/dev/binderfs", "./binderfs" [pid 6401] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6400] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6404] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6403] <... close resumed>) = 0 [pid 6402] <... symlink resumed>) = 0 [pid 6404] rt_sigprocmask(SIG_SETMASK, [], [pid 6403] symlink("/dev/binderfs", "./binderfs" [pid 6400] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6403] <... symlink resumed>) = 0 [pid 6402] write(1, "executing program\n", 18executing program [pid 6400] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6405 attached executing program [pid 6404] memfd_create("syzkaller", 0 [pid 6403] write(1, "executing program\n", 18 [pid 6402] <... write resumed>) = 18 [pid 6400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6404] <... memfd_create resumed>) = 3 [pid 6403] <... write resumed>) = 18 [pid 6400] <... mmap resumed>) = 0x7fee5fb34000 [pid 6403] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6404] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6403] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6404] <... mmap resumed>) = 0x7fee57600000 [pid 6403] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6405] set_robust_list(0x55557a9486a0, 24 [pid 6404] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6402] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6405 [pid 6402] <... futex resumed>) = 0 [pid 6405] <... set_robust_list resumed>) = 0 [pid 6402] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6400] <... mprotect resumed>) = 0 [pid 6403] <... mmap resumed>) = 0x7fee5fb34000 [pid 6403] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6404] <... write resumed>) = 131072 [pid 6403] <... mprotect resumed>) = 0 [pid 6403] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6402] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6403] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6400] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6405] chdir("./37" [pid 6404] munmap(0x7fee57600000, 138412032 [pid 6403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6402] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6406 attached [pid 6404] <... munmap resumed>) = 0 [pid 6402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6400] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6405] <... chdir resumed>) = 0 [pid 6404] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6403] <... clone3 resumed> => {parent_tid=[6406]}, 88) = 6406 [pid 6405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6404] <... openat resumed>) = 4 [pid 6403] rt_sigprocmask(SIG_SETMASK, [], [pid 6402] <... mmap resumed>) = 0x7fee5fb34000 [pid 6400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6406] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6404] ioctl(4, LOOP_SET_FD, 3 [pid 6403] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6407 attached [pid 6406] <... rseq resumed>) = 0 [pid 6405] <... prctl resumed>) = 0 [pid 6403] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6407] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6406] set_robust_list(0x7fee5fb549a0, 24 [pid 6405] setpgid(0, 0 [pid 6403] <... futex resumed>) = 0 [pid 6402] <... mprotect resumed>) = 0 [pid 6400] <... clone3 resumed> => {parent_tid=[6407]}, 88) = 6407 [pid 6407] <... rseq resumed>) = 0 [pid 6405] <... setpgid resumed>) = 0 [pid 6400] rt_sigprocmask(SIG_SETMASK, [], [pid 6407] set_robust_list(0x7fee5fb549a0, 24 [pid 6406] <... set_robust_list resumed>) = 0 [pid 6405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6403] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6402] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6400] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... set_robust_list resumed>) = 0 [pid 6402] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6407] rt_sigprocmask(SIG_SETMASK, [], [pid 6406] memfd_create("syzkaller", 0 [pid 6405] <... openat resumed>) = 3 [pid 6402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6400] <... futex resumed>) = 0 [pid 6406] <... memfd_create resumed>) = 3 [pid 6406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6400] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6407] memfd_create("syzkaller", 0 [pid 6406] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6405] write(3, "1000", 4 [pid 6402] <... clone3 resumed> => {parent_tid=[6408]}, 88) = 6408 [pid 6407] <... memfd_create resumed>) = 3 [pid 6405] <... write resumed>) = 4 [pid 6402] rt_sigprocmask(SIG_SETMASK, [], [pid 6407] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6405] close(3 [pid 6402] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6408 attached [pid 6407] <... mmap resumed>) = 0x7fee57600000 [pid 6402] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... close resumed>) = 0 [pid 6402] <... futex resumed>) = 0 [pid 6405] symlink("/dev/binderfs", "./binderfs" [pid 6402] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6408] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053) = 0 [pid 6406] <... write resumed>) = 131072 [pid 6405] <... symlink resumed>) = 0 [pid 6408] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6404] <... ioctl resumed>) = 0 [pid 6408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6408] memfd_create("syzkaller", 0 [pid 6404] close(3 [pid 6408] <... memfd_create resumed>) = 3 [pid 6406] munmap(0x7fee57600000, 138412032 [pid 6404] <... close resumed>) = 0 [pid 6408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6407] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072executing program [pid 6405] write(1, "executing program\n", 18 [pid 6404] close(4 [pid 6408] <... mmap resumed>) = 0x7fee57600000 [pid 6406] <... munmap resumed>) = 0 [pid 6405] <... write resumed>) = 18 [pid 6404] <... close resumed>) = 0 [pid 6408] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6407] <... write resumed>) = 131072 [pid 6406] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6405] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] mkdir("./bus", 0777 [pid 6408] <... write resumed>) = 131072 [pid 6406] <... openat resumed>) = 4 [pid 6405] <... futex resumed>) = 0 [pid 6407] munmap(0x7fee57600000, 138412032 [pid 6405] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6407] <... munmap resumed>) = 0 [pid 6405] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6404] <... mkdir resumed>) = 0 [pid 6408] munmap(0x7fee57600000, 138412032 [pid 6407] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6406] ioctl(4, LOOP_SET_FD, 3 [pid 6405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6404] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6407] <... openat resumed>) = 4 [ 93.047118][ T6404] loop4: detected capacity change from 0 to 256 [pid 6405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6407] ioctl(4, LOOP_SET_FD, 3 [pid 6405] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6408] <... munmap resumed>) = 0 [pid 6407] <... ioctl resumed>) = 0 [pid 6405] <... mprotect resumed>) = 0 [pid 6408] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6407] close(3 [pid 6406] <... ioctl resumed>) = 0 [pid 6408] <... openat resumed>) = 4 [pid 6407] <... close resumed>) = 0 [pid 6406] close(3 [pid 6405] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6404] <... mount resumed>) = 0 [pid 6408] ioctl(4, LOOP_SET_FD, 3 [pid 6407] close(4 [pid 6406] <... close resumed>) = 0 [pid 6405] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6404] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6407] <... close resumed>) = 0 [pid 6405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6407] mkdir("./bus", 0777) = 0 [pid 6405] <... clone3 resumed> => {parent_tid=[6409]}, 88) = 6409 [pid 6407] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6405] rt_sigprocmask(SIG_SETMASK, [], [pid 6404] <... openat resumed>) = 3 [pid 6405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6405] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] chdir("./bus" [pid 6405] <... futex resumed>) = 0 [pid 6405] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6407] <... mount resumed>) = 0 ./strace-static-x86_64: Process 6409 attached [pid 6408] <... ioctl resumed>) = 0 [pid 6406] close(4 [pid 6404] <... chdir resumed>) = 0 [pid 6409] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6404] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6409] <... rseq resumed>) = 0 [pid 6409] set_robust_list(0x7fee5fb549a0, 24 [pid 6408] close(3 [pid 6407] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6406] <... close resumed>) = 0 [pid 6404] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6409] <... set_robust_list resumed>) = 0 [pid 6408] <... close resumed>) = 0 [pid 6407] <... openat resumed>) = 3 [pid 6406] mkdir("./bus", 0777 [pid 6404] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] rt_sigprocmask(SIG_SETMASK, [], [pid 6408] close(4 [pid 6407] chdir("./bus" [pid 6406] <... mkdir resumed>) = 0 [pid 6404] <... futex resumed>) = 1 [pid 6401] <... futex resumed>) = 0 [pid 6409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6408] <... close resumed>) = 0 [pid 6407] <... chdir resumed>) = 0 [pid 6404] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] memfd_create("syzkaller", 0 [pid 6408] mkdir("./bus", 0777 [pid 6404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6401] <... futex resumed>) = 0 [pid 6409] <... memfd_create resumed>) = 3 [pid 6408] <... mkdir resumed>) = 0 [pid 6407] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6406] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6404] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6401] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6404] <... openat resumed>) = 4 [pid 6409] <... mmap resumed>) = 0x7fee57600000 [pid 6407] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6404] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6407] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6404] <... futex resumed>) = 1 [pid 6401] <... futex resumed>) = 0 [pid 6404] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6404] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6409] <... write resumed>) = 131072 [pid 6407] <... futex resumed>) = 1 [pid 6404] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6401] <... futex resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6407] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6406] <... mount resumed>) = 0 [pid 6400] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... openat resumed>) = 4 [pid 6400] <... futex resumed>) = 0 [pid 6407] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] <... futex resumed>) = 0 [pid 6400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6409] munmap(0x7fee57600000, 138412032 [pid 6407] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6404] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6400] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... munmap resumed>) = 0 [pid 6408] <... mount resumed>) = 0 [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] <... openat resumed>) = 3 [pid 6404] <... futex resumed>) = 0 [pid 6401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6400] <... futex resumed>) = 0 [pid 6409] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6408] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6407] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6406] chdir("./bus" [pid 6404] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] <... openat resumed>) = 4 [pid 6408] <... openat resumed>) = 3 [pid 6407] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] <... chdir resumed>) = 0 [pid 6404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6401] <... futex resumed>) = 0 [pid 6409] ioctl(4, LOOP_SET_FD, 3 [pid 6408] chdir("./bus" [pid 6406] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6404] dup(4 [pid 6401] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] <... chdir resumed>) = 0 [pid 6407] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6404] <... dup resumed>) = 5 [ 93.094666][ T6406] loop1: detected capacity change from 0 to 256 [ 93.096667][ T6407] loop3: detected capacity change from 0 to 256 [ 93.116641][ T6408] loop2: detected capacity change from 0 to 256 [pid 6408] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6407] <... futex resumed>) = 1 [pid 6400] <... futex resumed>) = 0 [pid 6408] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6407] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6400] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = 1 [pid 6407] dup(4 [pid 6402] <... futex resumed>) = 0 [pid 6400] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6407] <... dup resumed>) = 5 [pid 6402] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... openat resumed>) = 4 [pid 6407] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... futex resumed>) = 1 [pid 6403] <... futex resumed>) = 0 [pid 6404] <... futex resumed>) = 1 [pid 6406] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] <... futex resumed>) = 0 [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] <... futex resumed>) = 0 [pid 6402] <... futex resumed>) = 0 [pid 6401] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6404] <... futex resumed>) = 0 [pid 6403] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6402] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6401] <... futex resumed>) = 1 [pid 6406] <... openat resumed>) = 4 [pid 6404] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6406] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... futex resumed>) = 1 [pid 6400] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = 1 [pid 6407] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6402] <... futex resumed>) = 0 [pid 6400] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6402] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... futex resumed>) = 0 [pid 6408] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6406] <... futex resumed>) = 1 [pid 6403] <... futex resumed>) = 0 [pid 6402] <... futex resumed>) = 0 [pid 6400] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] <... ioctl resumed>) = 0 [pid 6408] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6403] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] close(3 [pid 6408] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] <... futex resumed>) = 0 [pid 6402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6409] <... close resumed>) = 0 [pid 6408] <... futex resumed>) = 0 [pid 6406] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6402] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] close(4 [pid 6408] dup(4 [pid 6406] <... futex resumed>) = 0 [pid 6403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6402] <... futex resumed>) = 0 [pid 6409] <... close resumed>) = 0 [pid 6408] <... dup resumed>) = 5 [pid 6406] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] mkdir("./bus", 0777 [pid 6408] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = 1 [pid 6402] <... futex resumed>) = 0 [pid 6408] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... mkdir resumed>) = 0 [pid 6403] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] dup(4 [pid 6402] <... futex resumed>) = 0 [pid 6408] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6402] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6406] <... dup resumed>) = 5 [pid 6406] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6403] <... futex resumed>) = 0 [pid 6406] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] <... futex resumed>) = 0 [pid 6406] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6403] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] <... mount resumed>) = 0 [pid 6409] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6409] chdir("./bus") = 0 [ 93.169107][ T6409] loop0: detected capacity change from 0 to 256 [pid 6409] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6409] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6405] <... futex resumed>) = 0 [pid 6409] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] <... futex resumed>) = 0 [pid 6409] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6405] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] <... openat resumed>) = 4 [pid 6409] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6405] <... futex resumed>) = 0 [pid 6401] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6405] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6405] <... futex resumed>) = 0 [pid 6401] <... futex resumed>) = 0 [pid 6409] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6409] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6401] <... mmap resumed>) = 0x7fee5fb13000 [pid 6400] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6409] <... futex resumed>) = 0 [pid 6405] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6400] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] dup(4 [pid 6405] <... futex resumed>) = 0 [pid 6401] <... mprotect resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6405] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6401] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6409] <... dup resumed>) = 5 [pid 6401] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6400] <... mmap resumed>) = 0x7fee5fb13000 [pid 6409] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6400] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6410 attached [pid 6409] <... futex resumed>) = 1 [pid 6405] <... futex resumed>) = 0 [pid 6400] <... mprotect resumed>) = 0 [pid 6410] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6409] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6405] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] <... clone3 resumed> => {parent_tid=[6410]}, 88) = 6410 [pid 6400] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6410] <... rseq resumed>) = 0 [pid 6405] <... futex resumed>) = 0 [pid 6400] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6410] set_robust_list(0x7fee5fb339a0, 24 [pid 6405] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6401] rt_sigprocmask(SIG_SETMASK, [], [pid 6400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6411 attached [pid 6410] <... set_robust_list resumed>) = 0 [pid 6401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6411] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6410] rt_sigprocmask(SIG_SETMASK, [], [pid 6401] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... clone3 resumed> => {parent_tid=[6411]}, 88) = 6411 [pid 6411] <... rseq resumed>) = 0 [pid 6410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6401] <... futex resumed>) = 0 [pid 6400] rt_sigprocmask(SIG_SETMASK, [], [pid 6411] set_robust_list(0x7fee5fb339a0, 24 [pid 6410] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6402] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6401] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6411] <... set_robust_list resumed>) = 0 [pid 6410] <... madvise resumed>) = 0 [pid 6403] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6402] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] rt_sigprocmask(SIG_SETMASK, [], [pid 6403] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6403] <... futex resumed>) = 0 [pid 6402] <... futex resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6411] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6400] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6411] <... madvise resumed>) = 0 [pid 6402] <... mmap resumed>) = 0x7fee5fb13000 [pid 6403] <... mmap resumed>) = 0x7fee5fb13000 [pid 6402] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6403] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6402] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6403] <... mprotect resumed>) = 0 [pid 6402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6403] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6412 attached [], 8) = 0 [pid 6402] <... clone3 resumed> => {parent_tid=[6412]}, 88) = 6412 [pid 6410] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] rt_sigprocmask(SIG_SETMASK, [], [pid 6410] <... futex resumed>) = 1 [pid 6402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6401] <... futex resumed>) = 0 [pid 6411] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6402] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... futex resumed>) = 1 [pid 6402] <... futex resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6411] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6413 attached [pid 6403] <... clone3 resumed> => {parent_tid=[6413]}, 88) = 6413 [pid 6413] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6412] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6403] rt_sigprocmask(SIG_SETMASK, [], [pid 6413] <... rseq resumed>) = 0 [pid 6412] <... rseq resumed>) = 0 [pid 6403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6413] set_robust_list(0x7fee5fb339a0, 24 [pid 6412] set_robust_list(0x7fee5fb339a0, 24 [pid 6403] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... set_robust_list resumed>) = 0 [pid 6412] <... set_robust_list resumed>) = 0 [pid 6403] <... futex resumed>) = 0 [pid 6413] rt_sigprocmask(SIG_SETMASK, [], [pid 6412] rt_sigprocmask(SIG_SETMASK, [], [pid 6403] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6412] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6413] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6412] <... madvise resumed>) = 0 [pid 6413] <... madvise resumed>) = 0 [pid 6405] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6405] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6412] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6412] <... futex resumed>) = 1 [pid 6405] <... mmap resumed>) = 0x7fee5fb13000 [pid 6402] <... futex resumed>) = 0 [pid 6412] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6405] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6413] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6413] <... futex resumed>) = 1 [pid 6405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6403] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6414 attached [pid 6413] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] <... clone3 resumed> => {parent_tid=[6414]}, 88) = 6414 [pid 6414] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053) = 0 [pid 6405] rt_sigprocmask(SIG_SETMASK, [], [pid 6414] set_robust_list(0x7fee5fb339a0, 24 [pid 6405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6405] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6405] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6414] <... set_robust_list resumed>) = 0 [pid 6414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6414] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6414] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6405] <... futex resumed>) = 0 [pid 6414] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6409] <... mmap resumed>) = 0x20000000 [pid 6407] <... mmap resumed>) = 0x20000000 [pid 6407] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... mmap resumed>) = 0x20000000 [pid 6407] <... futex resumed>) = 0 [pid 6407] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] <... mmap resumed>) = 0x20000000 [pid 6409] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... mmap resumed>) = 0x20000000 [pid 6404] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... futex resumed>) = 0 [pid 6408] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] exit_group(0 [pid 6404] <... futex resumed>) = 0 [pid 6403] exit_group(0 [pid 6402] exit_group(0 [pid 6401] exit_group(0 [pid 6400] exit_group(0 [pid 6414] <... futex resumed>) = ? [pid 6413] <... futex resumed>) = ? [pid 6412] <... futex resumed>) = ? [pid 6411] <... futex resumed>) = ? [pid 6410] <... futex resumed>) = ? [pid 6408] <... futex resumed>) = ? [pid 6407] <... futex resumed>) = ? [pid 6406] <... futex resumed>) = ? [pid 6405] <... exit_group resumed>) = ? [pid 6403] <... exit_group resumed>) = ? [pid 6402] <... exit_group resumed>) = ? [pid 6401] <... exit_group resumed>) = ? [pid 6400] <... exit_group resumed>) = ? [pid 6414] +++ exited with 0 +++ [pid 6413] +++ exited with 0 +++ [pid 6412] +++ exited with 0 +++ [pid 6411] +++ exited with 0 +++ [pid 6410] +++ exited with 0 +++ [pid 6409] +++ exited with 0 +++ [pid 6408] +++ exited with 0 +++ [pid 6407] +++ exited with 0 +++ [pid 6406] +++ exited with 0 +++ [pid 6404] +++ exited with 0 +++ [pid 6401] +++ exited with 0 +++ [pid 6405] +++ exited with 0 +++ [pid 6402] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6401, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6402, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6405, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6400] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6400, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5839] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5840] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./38/binderfs", [pid 5839] <... openat resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 5836] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(3, "", [pid 5838] newfstatat(3, "", [pid 5836] <... openat resumed>) = 3 [pid 5840] unlink("./38/binderfs" [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] newfstatat(3, "", [pid 5840] <... unlink resumed>) = 0 [pid 5839] getdents64(3, [pid 5838] getdents64(3, [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] getdents64(3, [pid 5839] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] <... umount2 resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./37/binderfs", [pid 5838] newfstatat(AT_FDCWD, "./38/binderfs", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] newfstatat(AT_FDCWD, "./37/binderfs", [pid 5839] unlink("./37/binderfs" [pid 5838] unlink("./38/binderfs" [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(AT_FDCWD, "./38/bus", [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5836] unlink("./37/binderfs" [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... unlink resumed>) = 0 [pid 5840] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./38/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... openat resumed>) = 4 [pid 5838] <... umount2 resumed>) = 0 [pid 5840] newfstatat(4, "", [pid 5838] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] getdents64(4, [pid 5838] newfstatat(AT_FDCWD, "./38/bus", [pid 5836] <... umount2 resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] getdents64(4, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./37/bus", [pid 5838] openat(AT_FDCWD, "./38/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... openat resumed>) = 4 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] close(4 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(4, "", [pid 5836] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... close resumed>) = 0 [pid 5836] openat(AT_FDCWD, "./37/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] getdents64(4, [pid 5840] rmdir("./38/bus" [pid 5839] newfstatat(AT_FDCWD, "./37/bus", [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... openat resumed>) = 4 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./37/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5839] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] close(4 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] getdents64(4, [pid 5836] newfstatat(4, "", [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] getdents64(3, [pid 5839] rmdir("./37/bus" [pid 5838] close(4 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5838] rmdir("./38/bus" [pid 5836] getdents64(4, [pid 5840] close(3) = 0 [pid 5839] getdents64(3, [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] rmdir("./38") = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5836] getdents64(4, [pid 5839] close(3 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] getdents64(3, [pid 5839] <... close resumed>) = 0 [pid 5836] close(4 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] <... close resumed>) = 0 [pid 5838] close(3 [pid 5836] rmdir("./37/bus" [pid 5838] <... close resumed>) = 0 [pid 5840] mkdir("./39", 0777 [pid 5839] rmdir("./37" [pid 6403] +++ exited with 0 +++ [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] rmdir("./38" [pid 5836] <... rmdir resumed>) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6403, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5839] mkdir("./38", 0777 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5836] getdents64(3, [pid 5840] <... openat resumed>) = 3 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] mkdir("./39", 0777 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] <... openat resumed>) = 3 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... restart_syscall resumed>) = 0 [pid 5836] close(3 [pid 5840] <... ioctl resumed>) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5836] <... close resumed>) = 0 [pid 5840] close(3 [pid 5839] <... ioctl resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5836] rmdir("./37" [pid 5839] close(3 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5840] <... close resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5837] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... rmdir resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... ioctl resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 6415 attached [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] close(3 [pid 5836] mkdir("./38", 0777 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6415 [pid 5838] <... close resumed>) = 0 [pid 5837] newfstatat(3, "", [pid 5836] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6416 attached [pid 6415] set_robust_list(0x55557a9486a0, 24 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6416] set_robust_list(0x55557a9486a0, 24 [pid 6415] <... set_robust_list resumed>) = 0 [pid 5837] getdents64(3, [pid 6416] <... set_robust_list resumed>) = 0 [pid 6415] chdir("./39" [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6416 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6417 attached [pid 6416] chdir("./38" [pid 6415] <... chdir resumed>) = 0 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6417] set_robust_list(0x55557a9486a0, 24 [pid 6416] <... chdir resumed>) = 0 [pid 6415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6417 [pid 5837] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... ioctl resumed>) = 0 [pid 6417] <... set_robust_list resumed>) = 0 [pid 6415] <... prctl resumed>) = 0 [pid 5836] close(3 [pid 6415] setpgid(0, 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6415] <... setpgid resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5837] unlink("./38/binderfs" [pid 6415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5837] <... unlink resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6417] chdir("./39" [pid 6415] write(3, "1000", 4 [pid 6416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6417] <... chdir resumed>) = 0 [pid 6415] <... write resumed>) = 4 [pid 6416] <... prctl resumed>) = 0 [pid 6417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6415] close(3 [pid 6417] <... prctl resumed>) = 0 [pid 6415] <... close resumed>) = 0 [pid 6417] setpgid(0, 0 [pid 6416] setpgid(0, 0 [pid 6415] symlink("/dev/binderfs", "./binderfs" [pid 6417] <... setpgid resumed>) = 0 [pid 6416] <... setpgid resumed>) = 0 [pid 6415] <... symlink resumed>) = 0 [pid 5837] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6418 attached [pid 6417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6415] write(1, "executing program\n", 18 [pid 5837] <... umount2 resumed>) = 0 executing program [pid 6417] <... openat resumed>) = 3 [pid 6416] <... openat resumed>) = 3 [pid 6415] <... write resumed>) = 18 [pid 5837] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6418 [pid 6417] write(3, "1000", 4 [pid 6415] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6417] <... write resumed>) = 4 [pid 6415] <... futex resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./38/bus", [pid 6417] close(3 [pid 6415] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6417] <... close resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6415] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6417] symlink("/dev/binderfs", "./binderfs" [pid 5837] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6418] set_robust_list(0x55557a9486a0, 24 [pid 6417] <... symlink resumed>) = 0 [pid 6416] write(3, "1000", 4 [pid 6415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6418] <... set_robust_list resumed>) = 0 [pid 6416] <... write resumed>) = 4 [pid 6418] chdir("./38" [pid 6417] write(1, "executing program\n", 18 [pid 6416] close(3 [pid 6415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5837] openat(AT_FDCWD, "./38/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6418] <... chdir resumed>) = 0 executing program [pid 6416] <... close resumed>) = 0 [pid 6418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6417] <... write resumed>) = 18 [pid 6416] symlink("/dev/binderfs", "./binderfs" [pid 6415] <... mmap resumed>) = 0x7fee5fb34000 [pid 5837] <... openat resumed>) = 4 [pid 6418] <... prctl resumed>) = 0 [pid 6416] <... symlink resumed>) = 0 [pid 6418] setpgid(0, 0 [pid 5837] newfstatat(4, "", [pid 6418] <... setpgid resumed>) = 0 [pid 6417] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] write(1, "executing program\n", 18 [pid 6417] <... futex resumed>) = 0 [pid 6415] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6417] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, executing program [pid 6418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6417] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6416] <... write resumed>) = 18 [pid 6415] <... mprotect resumed>) = 0 [pid 5837] getdents64(4, [pid 6418] <... openat resumed>) = 3 [pid 6417] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6416] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6418] write(3, "1000", 4 [pid 6416] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6418] <... write resumed>) = 4 [pid 6416] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6418] close(3 [pid 6416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6418] <... close resumed>) = 0 [pid 6416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6418] symlink("/dev/binderfs", "./binderfs" [pid 6416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6415] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] getdents64(4, [pid 6418] <... symlink resumed>) = 0 [pid 6416] <... mmap resumed>) = 0x7fee5fb34000 [pid 6415] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] close(4executing program [pid 6418] write(1, "executing program\n", 18 [pid 6416] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5837] <... close resumed>) = 0 ./strace-static-x86_64: Process 6419 attached [pid 6418] <... write resumed>) = 18 [pid 6417] <... mmap resumed>) = 0x7fee5fb34000 [pid 6416] <... mprotect resumed>) = 0 [pid 6419] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6418] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6416] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6415] <... clone3 resumed> => {parent_tid=[6419]}, 88) = 6419 [pid 5837] rmdir("./38/bus" [pid 6417] <... mprotect resumed>) = 0 [pid 6415] rt_sigprocmask(SIG_SETMASK, [], [pid 6419] <... rseq resumed>) = 0 [pid 6418] <... futex resumed>) = 0 [pid 6416] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 6419] set_robust_list(0x7fee5fb549a0, 24 [pid 6418] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6417] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6415] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6420 attached [pid 6419] <... set_robust_list resumed>) = 0 [pid 6418] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6417] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6415] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] getdents64(3, [pid 6420] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6419] rt_sigprocmask(SIG_SETMASK, [], [pid 6418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6416] <... clone3 resumed> => {parent_tid=[6420]}, 88) = 6420 [pid 6420] <... rseq resumed>) = 0 [pid 6419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6415] <... futex resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6421 attached [pid 6420] set_robust_list(0x7fee5fb549a0, 24 [pid 6419] memfd_create("syzkaller", 0 [pid 6418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6416] rt_sigprocmask(SIG_SETMASK, [], [pid 6415] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] close(3 [pid 6421] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6420] <... set_robust_list resumed>) = 0 [pid 6419] <... memfd_create resumed>) = 3 [pid 6418] <... mmap resumed>) = 0x7fee5fb34000 [pid 6417] <... clone3 resumed> => {parent_tid=[6421]}, 88) = 6421 [pid 6416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6421] <... rseq resumed>) = 0 [pid 6420] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] <... close resumed>) = 0 [pid 6420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] rmdir("./38" [pid 6421] set_robust_list(0x7fee5fb549a0, 24 [pid 6417] rt_sigprocmask(SIG_SETMASK, [], [pid 6421] <... set_robust_list resumed>) = 0 [pid 6421] rt_sigprocmask(SIG_SETMASK, [], [pid 6420] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6416] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] <... futex resumed>) = 0 [pid 6416] <... futex resumed>) = 1 [pid 5837] <... rmdir resumed>) = 0 [pid 6421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6421] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] memfd_create("syzkaller", 0 [pid 6419] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6418] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6416] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6419] <... mmap resumed>) = 0x7fee57600000 [pid 6418] <... mprotect resumed>) = 0 [pid 6420] <... memfd_create resumed>) = 3 [pid 6419] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6418] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6417] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] mkdir("./39", 0777 [pid 6421] <... futex resumed>) = 0 [pid 6417] <... futex resumed>) = 1 [pid 6421] memfd_create("syzkaller", 0 [pid 6420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6418] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6420] <... mmap resumed>) = 0x7fee57600000 [pid 6418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6422 attached [pid 6421] <... memfd_create resumed>) = 3 [pid 6420] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6417] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] <... mkdir resumed>) = 0 [pid 6422] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6419] <... write resumed>) = 131072 [pid 6422] <... rseq resumed>) = 0 [pid 6418] <... clone3 resumed> => {parent_tid=[6422]}, 88) = 6422 [pid 6422] set_robust_list(0x7fee5fb549a0, 24 [pid 6421] <... mmap resumed>) = 0x7fee57600000 [pid 6420] <... write resumed>) = 131072 [pid 6419] munmap(0x7fee57600000, 138412032 [pid 6418] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6422] <... set_robust_list resumed>) = 0 [pid 6422] rt_sigprocmask(SIG_SETMASK, [], [pid 6418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... openat resumed>) = 3 [pid 6422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6421] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6419] <... munmap resumed>) = 0 [pid 6418] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] memfd_create("syzkaller", 0 [pid 6418] <... futex resumed>) = 0 [pid 6422] <... memfd_create resumed>) = 3 [pid 6420] munmap(0x7fee57600000, 138412032 [pid 6419] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6418] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6422] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6420] <... munmap resumed>) = 0 [pid 6419] <... openat resumed>) = 4 [pid 6422] <... mmap resumed>) = 0x7fee57600000 [pid 6422] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6420] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6419] ioctl(4, LOOP_SET_FD, 3 [pid 6422] <... write resumed>) = 131072 [pid 6421] <... write resumed>) = 131072 [pid 6420] <... openat resumed>) = 4 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6420] ioctl(4, LOOP_SET_FD, 3 [pid 5837] <... ioctl resumed>) = 0 [pid 6422] munmap(0x7fee57600000, 138412032 [pid 5837] close(3 [pid 6422] <... munmap resumed>) = 0 [pid 6420] <... ioctl resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 6422] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6422] ioctl(4, LOOP_SET_FD, 3 [pid 6421] munmap(0x7fee57600000, 138412032 [pid 6419] <... ioctl resumed>) = 0 [pid 6419] close(3) = 0 [pid 6419] close(4) = 0 [pid 6419] mkdir("./bus", 0777) = 0 [pid 6419] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6421] <... munmap resumed>) = 0 [pid 6420] close(3 [pid 6419] <... mount resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6420] <... close resumed>) = 0 [pid 6419] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6420] close(4 [pid 6419] <... openat resumed>) = 3 [pid 6420] <... close resumed>) = 0 [pid 6419] chdir("./bus" [pid 6420] mkdir("./bus", 0777 [pid 6419] <... chdir resumed>) = 0 [pid 6420] <... mkdir resumed>) = 0 [pid 6419] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 6423 attached [pid 6421] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6420] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6419] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6422] <... ioctl resumed>) = 0 [pid 6419] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] set_robust_list(0x55557a9486a0, 24 [pid 6422] close(3 [pid 6421] <... openat resumed>) = 4 [pid 6419] <... futex resumed>) = 1 [pid 6415] <... futex resumed>) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6423 [pid 6423] <... set_robust_list resumed>) = 0 [pid 6422] <... close resumed>) = 0 [pid 6419] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] chdir("./39" [pid 6422] close(4 [pid 6421] ioctl(4, LOOP_SET_FD, 3 [pid 6420] <... mount resumed>) = 0 [pid 6419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6415] <... futex resumed>) = 0 [pid 6423] <... chdir resumed>) = 0 [pid 6422] <... close resumed>) = 0 [pid 6420] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6419] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6415] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6422] mkdir("./bus", 0777 [pid 6420] <... openat resumed>) = 3 [pid 6419] <... openat resumed>) = 4 [pid 6423] <... prctl resumed>) = 0 [pid 6422] <... mkdir resumed>) = 0 [pid 6419] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [ 93.595101][ T6419] loop4: detected capacity change from 0 to 256 [ 93.605025][ T6420] loop3: detected capacity change from 0 to 256 [ 93.614073][ T6422] loop0: detected capacity change from 0 to 256 [pid 6420] chdir("./bus" [pid 6423] setpgid(0, 0 [pid 6419] <... futex resumed>) = 1 [pid 6415] <... futex resumed>) = 0 [pid 6423] <... setpgid resumed>) = 0 [pid 6420] <... chdir resumed>) = 0 [pid 6419] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6415] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6422] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6420] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6419] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] <... futex resumed>) = 0 [pid 6420] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6419] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] <... openat resumed>) = 3 [pid 6420] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... futex resumed>) = 0 [pid 6415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6423] write(3, "1000", 4 [pid 6420] <... futex resumed>) = 1 [pid 6419] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6416] <... futex resumed>) = 0 [pid 6415] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] <... write resumed>) = 4 [pid 6422] <... mount resumed>) = 0 [pid 6420] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6416] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] close(3 [pid 6422] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6416] <... futex resumed>) = 0 [pid 6415] <... futex resumed>) = 0 [pid 6423] <... close resumed>) = 0 [pid 6422] <... openat resumed>) = 3 [pid 6420] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6419] dup(4 [pid 6416] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6415] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] symlink("/dev/binderfs", "./binderfs" [pid 6422] chdir("./bus" [pid 6420] <... openat resumed>) = 4 [pid 6419] <... dup resumed>) = 5 [pid 6423] <... symlink resumed>) = 0 [pid 6422] <... chdir resumed>) = 0 [pid 6420] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6423] write(1, "executing program\n", 18 [pid 6422] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6420] <... futex resumed>) = 1 [pid 6419] <... futex resumed>) = 1 [pid 6416] <... futex resumed>) = 0 [pid 6415] <... futex resumed>) = 0 [pid 6423] <... write resumed>) = 18 [pid 6422] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6420] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6419] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6416] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6416] <... futex resumed>) = 0 [pid 6415] <... futex resumed>) = 0 [pid 6423] <... futex resumed>) = 0 [pid 6422] <... futex resumed>) = 1 [pid 6420] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6419] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6418] <... futex resumed>) = 0 [pid 6415] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6420] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6418] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6422] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME) = 4 [pid 6421] <... ioctl resumed>) = 0 [pid 6423] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6422] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... futex resumed>) = 0 [pid 6421] close(3) = 0 [pid 6421] close(4 [pid 6422] <... futex resumed>) = 0 [pid 6420] <... futex resumed>) = 1 [pid 6418] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6416] <... futex resumed>) = 0 [pid 6423] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6422] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6416] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6420] dup(4 [pid 6418] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... futex resumed>) = 0 [pid 6423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6422] <... futex resumed>) = 0 [pid 6420] <... dup resumed>) = 5 [pid 6418] <... futex resumed>) = 1 [pid 6416] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] <... mmap resumed>) = 0x7fee5fb34000 [pid 6422] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6421] <... close resumed>) = 0 [pid 6420] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6423] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6422] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] mkdir("./bus", 0777 [pid 6420] <... futex resumed>) = 0 [pid 6416] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] <... mprotect resumed>) = 0 [pid 6422] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6416] <... futex resumed>) = 0 [pid 6423] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6422] <... futex resumed>) = 1 [pid 6421] <... mkdir resumed>) = 0 [pid 6418] <... futex resumed>) = 0 [ 93.639733][ T6421] loop2: detected capacity change from 0 to 256 [pid 6416] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6422] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6421] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6418] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6418] <... futex resumed>) = 0 [pid 6423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6422] dup(4 [pid 6418] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6422] <... dup resumed>) = 5 ./strace-static-x86_64: Process 6424 attached [pid 6423] <... clone3 resumed> => {parent_tid=[6424]}, 88) = 6424 [pid 6422] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] rt_sigprocmask(SIG_SETMASK, [], [pid 6422] <... futex resumed>) = 1 [pid 6418] <... futex resumed>) = 0 [pid 6423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6422] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6418] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... futex resumed>) = 0 [pid 6421] <... mount resumed>) = 0 [pid 6424] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6423] <... futex resumed>) = 0 [pid 6418] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6421] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6424] <... rseq resumed>) = 0 [pid 6423] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6421] <... openat resumed>) = 3 [pid 6424] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6421] chdir("./bus" [pid 6424] memfd_create("syzkaller", 0 [pid 6421] <... chdir resumed>) = 0 [pid 6424] <... memfd_create resumed>) = 3 [pid 6421] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6424] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6421] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6424] <... mmap resumed>) = 0x7fee57600000 [pid 6421] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6421] <... futex resumed>) = 1 [pid 6417] <... futex resumed>) = 0 [pid 6424] <... write resumed>) = 131072 [pid 6421] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6417] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6417] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6421] <... openat resumed>) = 4 [pid 6424] munmap(0x7fee57600000, 138412032 [pid 6421] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6417] <... futex resumed>) = 0 [pid 6421] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6417] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6417] <... futex resumed>) = 0 [pid 6424] <... munmap resumed>) = 0 [pid 6421] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6417] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6421] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6415] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6421] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... mprotect resumed>) = 0 [pid 6424] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6421] <... futex resumed>) = 1 [pid 6417] <... futex resumed>) = 0 [pid 6424] <... openat resumed>) = 4 [pid 6424] ioctl(4, LOOP_SET_FD, 3 [pid 6421] dup(4 [pid 6417] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6415] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6421] <... dup resumed>) = 5 [pid 6417] <... futex resumed>) = 0 [pid 6416] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6416] <... futex resumed>) = 0 [pid 6415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6425 attached ) = 0x7fee5fb13000 [pid 6415] <... clone3 resumed> => {parent_tid=[6425]}, 88) = 6425 [pid 6425] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6416] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6415] rt_sigprocmask(SIG_SETMASK, [], [pid 6425] <... rseq resumed>) = 0 [pid 6421] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6417] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6416] <... mprotect resumed>) = 0 [pid 6415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6424] <... ioctl resumed>) = 0 [pid 6421] <... futex resumed>) = 0 [pid 6417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6424] close(3 [pid 6421] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6417] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] <... close resumed>) = 0 [pid 6421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6417] <... futex resumed>) = 0 [pid 6424] close(4 [pid 6421] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6417] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] <... close resumed>) = 0 [pid 6425] set_robust_list(0x7fee5fb339a0, 24 [pid 6424] mkdir("./bus", 0777 [pid 6418] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6415] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] <... set_robust_list resumed>) = 0 [pid 6418] <... futex resumed>) = 0 [pid 6415] <... futex resumed>) = 0 [pid 6425] rt_sigprocmask(SIG_SETMASK, [], [pid 6418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6416] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6424] <... mkdir resumed>) = 0 [pid 6415] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6425] madvise(0x20000000, 6291456, MADV_DONTNEED./strace-static-x86_64: Process 6426 attached ) = 0 [pid 6416] <... clone3 resumed> => {parent_tid=[6426]}, 88) = 6426 [pid 6426] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6425] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6418] <... mmap resumed>) = 0x7fee5fb13000 [pid 6416] rt_sigprocmask(SIG_SETMASK, [], [pid 6426] <... rseq resumed>) = 0 [pid 6425] <... futex resumed>) = 1 [pid 6418] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6415] <... futex resumed>) = 0 [pid 6426] set_robust_list(0x7fee5fb339a0, 24 [pid 6425] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6418] <... mprotect resumed>) = 0 [pid 6416] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... set_robust_list resumed>) = 0 [pid 6424] <... mount resumed>) = 0 [pid 6418] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6416] <... futex resumed>) = 0 [pid 6426] rt_sigprocmask(SIG_SETMASK, [], [pid 6424] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6418] <... rt_sigprocmask resumed>[], 8) = 0 [ 93.744523][ T6424] loop1: detected capacity change from 0 to 256 [pid 6416] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6424] <... openat resumed>) = 3 [pid 6418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6427 attached [pid 6426] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6424] chdir("./bus") = 0 [pid 6418] <... clone3 resumed> => {parent_tid=[6427]}, 88) = 6427 [pid 6424] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6418] rt_sigprocmask(SIG_SETMASK, [], [pid 6427] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6426] <... madvise resumed>) = 0 [pid 6424] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6427] <... rseq resumed>) = 0 [pid 6424] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] set_robust_list(0x7fee5fb339a0, 24 [pid 6424] <... futex resumed>) = 1 [pid 6418] <... futex resumed>) = 0 [pid 6427] <... set_robust_list resumed>) = 0 [pid 6424] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6423] <... futex resumed>) = 0 [pid 6418] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6427] rt_sigprocmask(SIG_SETMASK, [], [pid 6426] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] <... futex resumed>) = 0 [pid 6424] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6423] <... futex resumed>) = 1 [pid 6423] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6426] <... futex resumed>) = 1 [pid 6424] <... openat resumed>) = 4 [pid 6416] <... futex resumed>) = 0 [pid 6427] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6426] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6424] <... futex resumed>) = 1 [pid 6423] <... futex resumed>) = 0 [pid 6417] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6423] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... futex resumed>) = 0 [pid 6423] <... futex resumed>) = 0 [pid 6417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6423] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] <... mmap resumed>) = 0x7fee5fb13000 [pid 6424] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6424] <... futex resumed>) = 1 [pid 6423] <... futex resumed>) = 0 [pid 6417] <... mprotect resumed>) = 0 [pid 6424] dup(4 [pid 6423] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6424] <... dup resumed>) = 5 [pid 6423] <... futex resumed>) = 0 [pid 6417] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6427] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6427] <... futex resumed>) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6418] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6428 attached [pid 6424] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6423] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6427] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6428] <... rseq resumed>) = 0 [pid 6423] <... futex resumed>) = 0 [pid 6428] set_robust_list(0x7fee5fb339a0, 24 [pid 6423] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] <... set_robust_list resumed>) = 0 [pid 6417] <... clone3 resumed> => {parent_tid=[6428]}, 88) = 6428 [pid 6428] rt_sigprocmask(SIG_SETMASK, [], [pid 6417] rt_sigprocmask(SIG_SETMASK, [], [pid 6428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6428] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6417] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6428] <... futex resumed>) = 0 [pid 6428] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6417] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] <... madvise resumed>) = 0 [pid 6420] <... mmap resumed>) = 0x20000000 [pid 6428] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] <... mmap resumed>) = 0x20000000 [pid 6422] <... mmap resumed>) = 0x20000000 [pid 6421] <... mmap resumed>) = 0x20000000 [pid 6420] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... mmap resumed>) = 0x20000000 [pid 6428] <... futex resumed>) = 1 [pid 6424] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] <... futex resumed>) = 0 [pid 6419] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... futex resumed>) = 0 [pid 6416] exit_group(0 [pid 6415] exit_group(0 [pid 6428] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6426] <... futex resumed>) = ? [pid 6425] <... futex resumed>) = ? [pid 6424] <... futex resumed>) = 1 [pid 6423] <... futex resumed>) = 0 [pid 6422] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... futex resumed>) = ? [pid 6417] exit_group(0 [pid 6416] <... exit_group resumed>) = ? [pid 6415] <... exit_group resumed>) = ? [pid 6428] <... futex resumed>) = ? [pid 6426] +++ exited with 0 +++ [pid 6425] +++ exited with 0 +++ [pid 6424] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6423] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... futex resumed>) = 0 [pid 6421] <... futex resumed>) = ? [pid 6420] +++ exited with 0 +++ [pid 6419] +++ exited with 0 +++ [pid 6417] <... exit_group resumed>) = ? [pid 6428] +++ exited with 0 +++ [pid 6423] <... futex resumed>) = 0 [pid 6423] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] <... madvise resumed>) = 0 [pid 6418] exit_group(0 [pid 6416] +++ exited with 0 +++ [pid 6427] <... futex resumed>) = ? [pid 6418] <... exit_group resumed>) = ? [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6416, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5839] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6421] +++ exited with 0 +++ [pid 6422] +++ exited with 0 +++ [pid 6417] +++ exited with 0 +++ [pid 5839] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./38/binderfs") = 0 [pid 5839] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6417, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5838] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", [pid 6427] +++ exited with 0 +++ [pid 6424] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] +++ exited with 0 +++ [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6424] <... futex resumed>) = 1 [pid 6423] <... futex resumed>) = 0 [pid 6424] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6423] exit_group(0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6418, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6423] <... exit_group resumed>) = ? [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 6424] <... futex resumed>) = ? [pid 5839] <... umount2 resumed>) = 0 [pid 5838] getdents64(3, [pid 5836] <... restart_syscall resumed>) = 0 [pid 6415] +++ exited with 0 +++ [pid 5839] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6415, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./38/bus", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(AT_FDCWD, "./39/binderfs", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./39/binderfs" [pid 5836] <... openat resumed>) = 3 [pid 5840] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] openat(AT_FDCWD, "./38/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... unlink resumed>) = 0 [pid 5836] newfstatat(3, "", [pid 5840] <... openat resumed>) = 3 [pid 5839] <... openat resumed>) = 4 [pid 5838] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] newfstatat(3, "", [pid 5839] newfstatat(4, "", [pid 5836] getdents64(3, [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] getdents64(3, [pid 5839] getdents64(4, [pid 5836] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] <... umount2 resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(AT_FDCWD, "./38/binderfs", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] getdents64(4, [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(AT_FDCWD, "./39/binderfs", [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] unlink("./38/binderfs" [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] close(4 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... unlink resumed>) = 0 [pid 5840] unlink("./39/binderfs" [pid 5839] <... close resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./39/bus", [pid 5836] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... unlink resumed>) = 0 [pid 5839] rmdir("./38/bus" [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... rmdir resumed>) = 0 [pid 5838] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./39/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] getdents64(3, [pid 5836] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] <... openat resumed>) = 4 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = 0 [pid 5839] close(3 [pid 5836] newfstatat(AT_FDCWD, "./38/bus", [pid 5839] <... close resumed>) = 0 [pid 5838] newfstatat(4, "", [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] rmdir("./38" [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... rmdir resumed>) = 0 [pid 5838] getdents64(4, [pid 5836] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(AT_FDCWD, "./39/bus", [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] mkdir("./39", 0777 [pid 5838] getdents64(4, [pid 5836] openat(AT_FDCWD, "./38/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... openat resumed>) = 4 [pid 5836] newfstatat(4, "", [pid 5838] close(4 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] openat(AT_FDCWD, "./39/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... close resumed>) = 0 [pid 5840] <... openat resumed>) = 4 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] rmdir("./39/bus" [pid 5836] getdents64(4, [pid 5840] newfstatat(4, "", [pid 5839] <... openat resumed>) = 3 [pid 5838] <... rmdir resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5836] getdents64(4, [pid 5839] <... ioctl resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] getdents64(4, [pid 5839] close(3 [pid 5838] getdents64(3, [pid 5836] close(4 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... close resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5836] rmdir("./38/bus" [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6429 attached [pid 5836] getdents64(3, [pid 5840] getdents64(4, [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] close(3 [pid 5836] close(3 [pid 5840] close(4 [pid 5838] <... close resumed>) = 0 [pid 6429] set_robust_list(0x55557a9486a0, 24 [pid 5836] <... close resumed>) = 0 [pid 6429] <... set_robust_list resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6429 [pid 5838] rmdir("./39" [pid 5836] rmdir("./38" [pid 6429] chdir("./39") = 0 [pid 5840] rmdir("./39/bus" [pid 5838] <... rmdir resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5838] mkdir("./40", 0777 [pid 5840] getdents64(3, [pid 5838] <... mkdir resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5840] close(3 [pid 5838] <... openat resumed>) = 3 [pid 5840] <... close resumed>) = 0 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5840] rmdir("./39" [pid 5838] <... ioctl resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5838] close(3 [pid 5840] mkdir("./40", 0777 [pid 5838] <... close resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 6429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] mkdir("./39", 0777 [pid 6429] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6430 attached [pid 6429] setpgid(0, 0 [pid 5840] <... openat resumed>) = 3 [pid 5836] <... mkdir resumed>) = 0 [pid 6429] <... setpgid resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5840] ioctl(3, LOOP_CLR_FD [pid 6429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] <... ioctl resumed>) = 0 [pid 6429] <... openat resumed>) = 3 [pid 5836] <... openat resumed>) = 3 [pid 6429] write(3, "1000", 4 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6429] <... write resumed>) = 4 [pid 5840] close(3 [pid 6429] close(3 [pid 5840] <... close resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6430 [pid 5836] <... ioctl resumed>) = 0 [pid 6430] set_robust_list(0x55557a9486a0, 24 [pid 6429] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6430] <... set_robust_list resumed>) = 0 [pid 6429] symlink("/dev/binderfs", "./binderfs" [pid 5836] close(3 [pid 6430] chdir("./40") = 0 [pid 6430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6429] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6431 attached [pid 6430] setpgid(0, 0 executing program [pid 6429] write(1, "executing program\n", 18 [pid 5836] <... close resumed>) = 0 [pid 6429] <... write resumed>) = 18 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6432 attached [pid 6431] set_robust_list(0x55557a9486a0, 24 [pid 6430] <... setpgid resumed>) = 0 [pid 6429] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6431 [pid 6432] set_robust_list(0x55557a9486a0, 24 [pid 6431] <... set_robust_list resumed>) = 0 [pid 6429] <... futex resumed>) = 0 [pid 6432] <... set_robust_list resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6432 [pid 6429] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6432] chdir("./39" [pid 6430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6429] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6432] <... chdir resumed>) = 0 [pid 6431] chdir("./40" [pid 6430] <... openat resumed>) = 3 [pid 6429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6430] write(3, "1000", 4 [pid 6429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6432] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6431] <... chdir resumed>) = 0 [pid 6430] <... write resumed>) = 4 [pid 6429] <... mmap resumed>) = 0x7fee5fb34000 [pid 6432] <... prctl resumed>) = 0 [pid 6431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6430] close(3 [pid 6429] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6431] <... prctl resumed>) = 0 [pid 6430] <... close resumed>) = 0 [pid 6432] setpgid(0, 0 [pid 6431] setpgid(0, 0 [pid 6430] symlink("/dev/binderfs", "./binderfs" [pid 6429] <... mprotect resumed>) = 0 [pid 6424] +++ exited with 0 +++ [pid 6423] +++ exited with 0 +++ [pid 6432] <... setpgid resumed>) = 0 [pid 6431] <... setpgid resumed>) = 0 [pid 6430] <... symlink resumed>) = 0 [pid 6429] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 6432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6430] write(1, "executing program\n", 18 [pid 6429] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6423, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 6432] <... openat resumed>) = 3 [pid 6431] <... openat resumed>) = 3 [pid 6430] <... write resumed>) = 18 [pid 6429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6433 attached [pid 6432] write(3, "1000", 4 [pid 6431] write(3, "1000", 4 [pid 6430] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6432] <... write resumed>) = 4 [pid 6431] <... write resumed>) = 4 [pid 6430] <... futex resumed>) = 0 [pid 6429] <... clone3 resumed> => {parent_tid=[6433]}, 88) = 6433 [pid 5837] <... restart_syscall resumed>) = 0 [pid 6433] <... rseq resumed>) = 0 [pid 6432] close(3 [pid 6431] close(3 [pid 6430] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6429] rt_sigprocmask(SIG_SETMASK, [], [pid 6433] set_robust_list(0x7fee5fb549a0, 24 [pid 6432] <... close resumed>) = 0 [pid 6431] <... close resumed>) = 0 [pid 6430] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6433] <... set_robust_list resumed>) = 0 [pid 6432] symlink("/dev/binderfs", "./binderfs" [pid 6431] symlink("/dev/binderfs", "./binderfs" [pid 6430] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6429] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] rt_sigprocmask(SIG_SETMASK, [], [pid 6432] <... symlink resumed>) = 0 [pid 6431] <... symlink resumed>) = 0 [pid 6430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6429] <... futex resumed>) = 0 [pid 5837] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6432] write(1, "executing program\n", 18executing program executing program [pid 6431] write(1, "executing program\n", 18 [pid 6430] <... mmap resumed>) = 0x7fee5fb34000 [pid 6429] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6433] memfd_create("syzkaller", 0 [pid 6432] <... write resumed>) = 18 [pid 6431] <... write resumed>) = 18 [pid 6430] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6433] <... memfd_create resumed>) = 3 [pid 6432] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... openat resumed>) = 3 [pid 6433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6432] <... futex resumed>) = 0 [pid 6431] <... futex resumed>) = 0 [pid 6430] <... mprotect resumed>) = 0 [pid 6433] <... mmap resumed>) = 0x7fee57600000 [pid 5837] newfstatat(3, "", [pid 6432] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6431] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6432] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6431] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6432] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6430] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] getdents64(3, [pid 6433] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6430] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6433] <... write resumed>) = 131072 [pid 6432] <... mmap resumed>) = 0x7fee5fb34000 [pid 6431] <... mmap resumed>) = 0x7fee5fb34000 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6432] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6431] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5837] newfstatat(AT_FDCWD, "./39/binderfs", ./strace-static-x86_64: Process 6434 attached {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6434] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6430] <... clone3 resumed> => {parent_tid=[6434]}, 88) = 6434 [pid 5837] unlink("./39/binderfs" [pid 6434] <... rseq resumed>) = 0 [pid 6430] rt_sigprocmask(SIG_SETMASK, [], [pid 6434] set_robust_list(0x7fee5fb549a0, 24 [pid 6432] <... mprotect resumed>) = 0 [pid 6431] <... mprotect resumed>) = 0 [pid 6430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 6434] <... set_robust_list resumed>) = 0 [pid 6433] munmap(0x7fee57600000, 138412032 [pid 6432] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6431] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6430] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6434] rt_sigprocmask(SIG_SETMASK, [], [pid 6433] <... munmap resumed>) = 0 [pid 6432] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6431] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6430] <... futex resumed>) = 0 [pid 6434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] <... umount2 resumed>) = 0 [pid 6433] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6430] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6436 attached ./strace-static-x86_64: Process 6435 attached [pid 6434] memfd_create("syzkaller", 0 [pid 5837] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6436] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6435] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6432] <... clone3 resumed> => {parent_tid=[6435]}, 88) = 6435 [pid 6431] <... clone3 resumed> => {parent_tid=[6436]}, 88) = 6436 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6436] <... rseq resumed>) = 0 [pid 6435] <... rseq resumed>) = 0 [pid 6432] rt_sigprocmask(SIG_SETMASK, [], [pid 6431] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] newfstatat(AT_FDCWD, "./39/bus", [pid 6436] set_robust_list(0x7fee5fb549a0, 24 [pid 6435] set_robust_list(0x7fee5fb549a0, 24 [pid 6432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6436] <... set_robust_list resumed>) = 0 [pid 6435] <... set_robust_list resumed>) = 0 [pid 6432] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6436] rt_sigprocmask(SIG_SETMASK, [], [pid 6435] rt_sigprocmask(SIG_SETMASK, [], [pid 6434] <... memfd_create resumed>) = 3 [pid 6433] <... openat resumed>) = 4 [pid 6432] <... futex resumed>) = 0 [pid 6431] <... futex resumed>) = 0 [pid 6436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6434] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6433] ioctl(4, LOOP_SET_FD, 3 [pid 5837] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6436] memfd_create("syzkaller", 0 [pid 6435] memfd_create("syzkaller", 0 [pid 6432] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6431] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6436] <... memfd_create resumed>) = 3 [pid 6435] <... memfd_create resumed>) = 3 [pid 5837] openat(AT_FDCWD, "./39/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5837] <... openat resumed>) = 4 [pid 6436] <... mmap resumed>) = 0x7fee57600000 [pid 6435] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 5837] newfstatat(4, "", [pid 6436] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6435] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6434] <... mmap resumed>) = 0x7fee57600000 [pid 6433] <... ioctl resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, [pid 6436] <... write resumed>) = 131072 [pid 6434] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6433] close(3 [pid 5837] getdents64(4, [pid 6433] <... close resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6435] <... write resumed>) = 131072 [pid 6434] <... write resumed>) = 131072 [pid 6433] close(4 [pid 5837] close(4) = 0 [pid 6433] <... close resumed>) = 0 [pid 5837] rmdir("./39/bus" [pid 6433] mkdir("./bus", 0777 [pid 5837] <... rmdir resumed>) = 0 [pid 6436] munmap(0x7fee57600000, 138412032 [pid 6435] munmap(0x7fee57600000, 138412032 [pid 6433] <... mkdir resumed>) = 0 [pid 6436] <... munmap resumed>) = 0 [pid 6435] <... munmap resumed>) = 0 [pid 5837] getdents64(3, 0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6433] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 5837] close(3 [pid 6435] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5837] <... close resumed>) = 0 [pid 6436] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6435] <... openat resumed>) = 4 [pid 6434] munmap(0x7fee57600000, 138412032 [pid 5837] rmdir("./39" [pid 6436] <... openat resumed>) = 4 [pid 6435] ioctl(4, LOOP_SET_FD, 3 [pid 6434] <... munmap resumed>) = 0 [ 94.062483][ T6433] loop3: detected capacity change from 0 to 256 [ 94.102416][ T6435] loop0: detected capacity change from 0 to 256 [pid 6436] ioctl(4, LOOP_SET_FD, 3 [pid 6434] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6433] <... mount resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 6434] <... openat resumed>) = 4 [pid 6434] ioctl(4, LOOP_SET_FD, 3 [pid 6433] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5837] mkdir("./40", 0777 [pid 6433] <... openat resumed>) = 3 [pid 5837] <... mkdir resumed>) = 0 [pid 6433] chdir("./bus" [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6433] <... chdir resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 6433] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6433] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5837] <... ioctl resumed>) = 0 [pid 6433] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] close(3 [pid 6433] <... futex resumed>) = 1 [pid 5837] <... close resumed>) = 0 [pid 6433] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6437 attached [pid 6429] <... futex resumed>) = 0 [pid 6429] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] <... futex resumed>) = 0 [pid 6429] <... futex resumed>) = 1 [pid 6433] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6429] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6437] set_robust_list(0x55557a9486a0, 24 [pid 6433] <... openat resumed>) = 4 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6437 [pid 6433] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] <... set_robust_list resumed>) = 0 [pid 6433] <... futex resumed>) = 1 [pid 6429] <... futex resumed>) = 0 [pid 6437] chdir("./40" [pid 6433] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6429] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6429] <... futex resumed>) = 0 [pid 6433] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6435] <... ioctl resumed>) = 0 [pid 6433] <... futex resumed>) = 0 [pid 6429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6437] <... chdir resumed>) = 0 [pid 6435] close(3 [pid 6429] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6435] <... close resumed>) = 0 [pid 6433] dup(4 [pid 6429] <... futex resumed>) = 0 [pid 6437] <... prctl resumed>) = 0 [pid 6435] close(4 [pid 6433] <... dup resumed>) = 5 [pid 6429] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6437] setpgid(0, 0 [pid 6435] <... close resumed>) = 0 [pid 6433] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6437] <... setpgid resumed>) = 0 [pid 6436] <... ioctl resumed>) = 0 [pid 6435] mkdir("./bus", 0777 [pid 6433] <... futex resumed>) = 0 [pid 6429] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6436] close(3 [pid 6435] <... mkdir resumed>) = 0 [pid 6433] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6429] <... futex resumed>) = 0 [pid 6437] <... openat resumed>) = 3 [pid 6429] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] <... close resumed>) = 0 [pid 6436] close(4 [pid 6437] write(3, "1000", 4 [pid 6436] <... close resumed>) = 0 [pid 6435] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6437] <... write resumed>) = 4 [pid 6436] mkdir("./bus", 0777 [pid 6437] close(3 [pid 6436] <... mkdir resumed>) = 0 [pid 6437] <... close resumed>) = 0 [pid 6437] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6436] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6437] write(1, "executing program\n", 18executing program ) = 18 [pid 6437] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6437] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6435] <... mount resumed>) = 0 [pid 6435] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6434] <... ioctl resumed>) = 0 [pid 6437] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6434] close(3) = 0 [pid 6437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6436] <... mount resumed>) = 0 [pid 6435] <... openat resumed>) = 3 [pid 6434] close(4 [pid 6436] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6435] chdir("./bus" [pid 6434] <... close resumed>) = 0 [pid 6434] mkdir("./bus", 0777 [pid 6437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6436] <... openat resumed>) = 3 [pid 6435] <... chdir resumed>) = 0 [pid 6437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6436] chdir("./bus" [pid 6435] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6434] <... mkdir resumed>) = 0 [pid 6437] <... mmap resumed>) = 0x7fee5fb34000 [pid 6436] <... chdir resumed>) = 0 [pid 6435] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6434] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6437] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6436] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6435] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] <... mprotect resumed>) = 0 [pid 6436] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6435] <... futex resumed>) = 1 [pid 6437] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6436] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6434] <... mount resumed>) = 0 [pid 6432] <... futex resumed>) = 0 [ 94.111219][ T6436] loop4: detected capacity change from 0 to 256 [ 94.113374][ T6434] loop2: detected capacity change from 0 to 256 [pid 6434] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6437] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6436] <... futex resumed>) = 1 [pid 6435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6434] <... openat resumed>) = 3 [pid 6432] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6436] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6435] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6434] chdir("./bus" [pid 6432] <... futex resumed>) = 0 [pid 6435] <... openat resumed>) = 4 [pid 6437] <... clone3 resumed> => {parent_tid=[6438]}, 88) = 6438 [pid 6434] <... chdir resumed>) = 0 [pid 6432] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6438 attached [pid 6435] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6431] <... futex resumed>) = 0 [pid 6438] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6437] rt_sigprocmask(SIG_SETMASK, [], [pid 6435] <... futex resumed>) = 0 [pid 6434] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6432] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... rseq resumed>) = 0 [pid 6437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6436] <... futex resumed>) = 0 [pid 6435] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6434] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] <... futex resumed>) = 0 [pid 6431] <... futex resumed>) = 1 [pid 6438] set_robust_list(0x7fee5fb549a0, 24 [pid 6437] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6435] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6434] <... futex resumed>) = 1 [pid 6432] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6431] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6430] <... futex resumed>) = 0 [pid 6438] <... set_robust_list resumed>) = 0 [pid 6434] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] rt_sigprocmask(SIG_SETMASK, [], [pid 6434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6430] <... futex resumed>) = 0 [pid 6438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6435] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6430] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6437] <... futex resumed>) = 0 [pid 6436] <... openat resumed>) = 4 [pid 6435] <... futex resumed>) = 0 [pid 6434] <... openat resumed>) = 4 [pid 6432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6437] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6436] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6436] <... futex resumed>) = 1 [pid 6434] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... futex resumed>) = 0 [pid 6438] memfd_create("syzkaller", 0 [pid 6436] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6432] <... futex resumed>) = 0 [pid 6431] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6435] dup(4 [pid 6432] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6431] <... futex resumed>) = 0 [pid 6436] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6435] <... dup resumed>) = 5 [pid 6431] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] <... futex resumed>) = 1 [pid 6432] <... futex resumed>) = 0 [pid 6438] <... memfd_create resumed>) = 3 [pid 6436] <... futex resumed>) = 1 [pid 6435] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6434] <... futex resumed>) = 1 [pid 6432] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... futex resumed>) = 0 [pid 6430] <... futex resumed>) = 0 [pid 6438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6434] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6432] <... futex resumed>) = 0 [pid 6431] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... mmap resumed>) = 0x7fee57600000 [pid 6435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6432] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6431] <... futex resumed>) = 0 [pid 6430] <... futex resumed>) = 0 [pid 6429] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6436] dup(4 [pid 6435] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6434] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6431] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6430] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6436] <... dup resumed>) = 5 [pid 6434] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... write resumed>) = 131072 [pid 6436] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... futex resumed>) = 0 [pid 6434] <... futex resumed>) = 1 [pid 6430] <... futex resumed>) = 0 [pid 6430] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] dup(4 [pid 6436] <... futex resumed>) = 1 [pid 6434] <... dup resumed>) = 5 [pid 6430] <... futex resumed>) = 0 [pid 6436] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6434] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6434] <... futex resumed>) = 0 [pid 6430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6434] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6431] <... futex resumed>) = 0 [pid 6430] <... futex resumed>) = 0 [pid 6429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6438] munmap(0x7fee57600000, 138412032 [pid 6434] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6430] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6438] <... munmap resumed>) = 0 [pid 6431] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6431] <... futex resumed>) = 1 [pid 6431] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] <... futex resumed>) = 0 [pid 6436] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6438] <... openat resumed>) = 4 [pid 6438] ioctl(4, LOOP_SET_FD, 3 [pid 6429] <... mmap resumed>) = 0x7fee5fb13000 [pid 6429] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6429] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6438] <... ioctl resumed>) = 0 [pid 6429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6439 attached => {parent_tid=[6439]}, 88) = 6439 [pid 6439] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6429] rt_sigprocmask(SIG_SETMASK, [], [pid 6439] <... rseq resumed>) = 0 [pid 6429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6439] set_robust_list(0x7fee5fb339a0, 24 [pid 6429] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] <... set_robust_list resumed>) = 0 [pid 6429] <... futex resumed>) = 0 [pid 6439] rt_sigprocmask(SIG_SETMASK, [], [pid 6429] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6432] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6439] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6432] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] <... madvise resumed>) = 0 [pid 6438] close(3 [pid 6432] <... futex resumed>) = 0 [pid 6438] <... close resumed>) = 0 [pid 6432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6438] close(4 [pid 6432] <... mmap resumed>) = 0x7fee5fb13000 [pid 6432] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6432] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6440 attached => {parent_tid=[6440]}, 88) = 6440 [pid 6432] rt_sigprocmask(SIG_SETMASK, [], [pid 6440] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6438] <... close resumed>) = 0 [pid 6432] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] <... rseq resumed>) = 0 [pid 6439] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] <... futex resumed>) = 0 [pid 6440] set_robust_list(0x7fee5fb339a0, 24 [pid 6439] <... futex resumed>) = 1 [pid 6432] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] <... futex resumed>) = 0 [pid 6440] <... set_robust_list resumed>) = 0 [pid 6440] rt_sigprocmask(SIG_SETMASK, [], [pid 6439] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6440] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6440] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] mkdir("./bus", 0777 [pid 6431] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6430] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6440] <... futex resumed>) = 1 [pid 6438] <... mkdir resumed>) = 0 [pid 6432] <... futex resumed>) = 0 [pid 6431] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6438] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6431] <... futex resumed>) = 0 [pid 6430] <... futex resumed>) = 0 [pid 6431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6431] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6430] <... mmap resumed>) = 0x7fee5fb13000 [pid 6431] <... mprotect resumed>) = 0 [pid 6431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 94.232528][ T6438] loop1: detected capacity change from 0 to 256 [pid 6431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6441 attached [pid 6430] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6441] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6438] <... mount resumed>) = 0 [pid 6431] <... clone3 resumed> => {parent_tid=[6441]}, 88) = 6441 [pid 6441] <... rseq resumed>) = 0 [pid 6438] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6431] rt_sigprocmask(SIG_SETMASK, [], [pid 6430] <... mprotect resumed>) = 0 [pid 6441] set_robust_list(0x7fee5fb339a0, 24 [pid 6438] <... openat resumed>) = 3 [pid 6431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6430] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6441] <... set_robust_list resumed>) = 0 [pid 6438] chdir("./bus" [pid 6431] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... chdir resumed>) = 0 [pid 6431] <... futex resumed>) = 0 [pid 6430] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6441] rt_sigprocmask(SIG_SETMASK, [], [pid 6438] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6431] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6442 attached [pid 6438] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6442] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6430] <... clone3 resumed> => {parent_tid=[6442]}, 88) = 6442 [pid 6442] <... rseq resumed>) = 0 [pid 6438] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] rt_sigprocmask(SIG_SETMASK, [], [pid 6442] set_robust_list(0x7fee5fb339a0, 24 [pid 6438] <... futex resumed>) = 1 [pid 6430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6442] <... set_robust_list resumed>) = 0 [pid 6438] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] rt_sigprocmask(SIG_SETMASK, [], [pid 6430] <... futex resumed>) = 0 [pid 6442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6430] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6442] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6437] <... futex resumed>) = 0 [pid 6441] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6437] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] <... madvise resumed>) = 0 [pid 6438] <... futex resumed>) = 0 [pid 6437] <... futex resumed>) = 1 [pid 6438] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6437] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6438] <... openat resumed>) = 4 [pid 6438] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6437] <... futex resumed>) = 0 [pid 6438] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6437] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6437] <... futex resumed>) = 0 [pid 6438] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6438] <... futex resumed>) = 0 [pid 6437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6438] dup(4 [pid 6437] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... dup resumed>) = 5 [pid 6437] <... futex resumed>) = 0 [pid 6438] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6438] <... futex resumed>) = 0 [pid 6438] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6437] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... futex resumed>) = 0 [pid 6437] <... futex resumed>) = 1 [pid 6442] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6437] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6442] <... futex resumed>) = 1 [pid 6441] <... madvise resumed>) = 0 [pid 6430] <... futex resumed>) = 0 [pid 6442] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6431] <... futex resumed>) = 0 [pid 6441] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6437] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6437] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6435] <... mmap resumed>) = 0x20000000 [pid 6438] <... mmap resumed>) = 0x20000000 [pid 6437] <... mmap resumed>) = 0x7fee5fb13000 [pid 6436] <... mmap resumed>) = 0x20000000 [pid 6435] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... mmap resumed>) = 0x20000000 [pid 6433] <... mmap resumed>) = 0x20000000 [pid 6438] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6436] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] <... futex resumed>) = 0 [pid 6434] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] exit_group(0 [pid 6430] exit_group(0 [pid 6429] exit_group(0 [pid 6442] <... futex resumed>) = ? [pid 6440] <... futex resumed>) = ? [pid 6439] <... futex resumed>) = ? [pid 6438] <... futex resumed>) = 0 [pid 6437] <... mprotect resumed>) = 0 [pid 6436] <... futex resumed>) = 0 [pid 6434] <... futex resumed>) = ? [pid 6433] <... futex resumed>) = ? [pid 6432] <... exit_group resumed>) = ? [pid 6431] exit_group(0 [pid 6430] <... exit_group resumed>) = ? [pid 6429] <... exit_group resumed>) = ? [pid 6442] +++ exited with 0 +++ [pid 6441] <... futex resumed>) = ? [pid 6440] +++ exited with 0 +++ [pid 6439] +++ exited with 0 +++ [pid 6438] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6437] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6435] +++ exited with 0 +++ [pid 6434] +++ exited with 0 +++ [pid 6433] +++ exited with 0 +++ [pid 6431] <... exit_group resumed>) = ? [pid 6436] +++ exited with 0 +++ [pid 6441] +++ exited with 0 +++ [pid 6437] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6432] +++ exited with 0 +++ [pid 6431] +++ exited with 0 +++ [pid 6437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6432, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- ./strace-static-x86_64: Process 6443 attached [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6431, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6443] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6437] <... clone3 resumed> => {parent_tid=[6443]}, 88) = 6443 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6437] rt_sigprocmask(SIG_SETMASK, [], [pid 6443] <... rseq resumed>) = 0 [pid 6437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6429] +++ exited with 0 +++ [pid 6443] set_robust_list(0x7fee5fb339a0, 24 [pid 6437] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... set_robust_list resumed>) = 0 [pid 6437] <... futex resumed>) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6429, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6443] rt_sigprocmask(SIG_SETMASK, [], [pid 6437] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 6443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6430] +++ exited with 0 +++ [pid 6443] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6430, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6443] <... madvise resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5839] <... restart_syscall resumed>) = 0 [pid 6443] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6443] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6437] <... futex resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6437] exit_group(0 [pid 5840] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6443] <... futex resumed>) = ? [pid 6438] <... futex resumed>) = ? [pid 6437] <... exit_group resumed>) = ? [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6443] +++ exited with 0 +++ [pid 6438] +++ exited with 0 +++ [pid 5840] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./40/binderfs") = 0 [pid 5838] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5838] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... openat resumed>) = 3 [pid 5839] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(3, "", [pid 5839] <... openat resumed>) = 3 [pid 5838] newfstatat(AT_FDCWD, "./40/bus", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] newfstatat(3, "", [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] getdents64(3, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] openat(AT_FDCWD, "./40/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... openat resumed>) = 4 [pid 5840] newfstatat(AT_FDCWD, "./40/binderfs", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(4, "", [pid 5836] <... openat resumed>) = 3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./39/binderfs", [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] newfstatat(3, "", [pid 5840] unlink("./40/binderfs" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] getdents64(4, [pid 5839] unlink("./39/binderfs" [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] getdents64(4, [pid 5840] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] getdents64(3, [pid 5838] close(4) = 0 [pid 5838] rmdir("./40/bus" [pid 5840] <... umount2 resumed>) = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] getdents64(3, [pid 5836] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./40/bus", [pid 5839] newfstatat(AT_FDCWD, "./39/bus", [pid 5838] close(3 [pid 5836] newfstatat(AT_FDCWD, "./39/binderfs", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... close resumed>) = 0 [pid 5840] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] rmdir("./40" [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... rmdir resumed>) = 0 [pid 5836] unlink("./39/binderfs" [pid 5840] openat(AT_FDCWD, "./40/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] openat(AT_FDCWD, "./39/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] mkdir("./41", 0777 [pid 5840] <... openat resumed>) = 4 [pid 5839] <... openat resumed>) = 4 [pid 5838] <... mkdir resumed>) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 5840] newfstatat(4, "", [pid 5839] newfstatat(4, "", [pid 5836] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(4, [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5840] getdents64(4, [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] <... openat resumed>) = 3 [pid 5836] <... umount2 resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] getdents64(4, [pid 5836] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(4, [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] close(4 [pid 5840] close(4 [pid 5836] newfstatat(AT_FDCWD, "./39/bus", [pid 5840] <... close resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] rmdir("./40/bus" [pid 5839] rmdir("./39/bus" [pid 5836] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] close(3 [pid 5840] getdents64(3, [pid 5839] getdents64(3, [pid 5838] <... close resumed>) = 0 [pid 5836] openat(AT_FDCWD, "./39/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] close(3 [pid 5836] <... openat resumed>) = 4 [pid 5840] close(3 [pid 5839] <... close resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] rmdir("./39" [pid 5836] newfstatat(4, "", [pid 5840] rmdir("./40" [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6444 [pid 5840] mkdir("./41", 0777 [pid 5836] getdents64(4, [pid 5839] mkdir("./40", 0777 [pid 5840] <... mkdir resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... mkdir resumed>) = 0 [pid 5836] getdents64(4, ./strace-static-x86_64: Process 6444 attached [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6444] set_robust_list(0x55557a9486a0, 24 [pid 5840] <... openat resumed>) = 3 [pid 5839] <... openat resumed>) = 3 [pid 5836] close(4 [pid 6444] <... set_robust_list resumed>) = 0 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] ioctl(3, LOOP_CLR_FD [pid 6444] chdir("./41" [pid 5840] <... ioctl resumed>) = 0 [pid 5839] <... ioctl resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 6444] <... chdir resumed>) = 0 [pid 5840] close(3 [pid 5839] close(3 [pid 5836] rmdir("./39/bus" [pid 6444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6437] +++ exited with 0 +++ [pid 6444] <... prctl resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6437, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5836] getdents64(3, [pid 6444] setpgid(0, 0) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] close(3 [pid 5839] <... close resumed>) = 0 [pid 6444] <... openat resumed>) = 3 [pid 5840] <... close resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... close resumed>) = 0 [pid 6444] write(3, "1000", 4 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6445 attached [pid 6444] <... write resumed>) = 4 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] rmdir("./39" [pid 6444] close(3 [pid 5837] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", [pid 6444] <... close resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6445 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6446 attached [pid 6445] set_robust_list(0x55557a9486a0, 24 [pid 6444] symlink("/dev/binderfs", "./binderfs" [pid 5837] getdents64(3, [pid 5836] mkdir("./40", 0777 [pid 6446] set_robust_list(0x55557a9486a0, 24 [pid 6445] <... set_robust_list resumed>) = 0 [pid 6444] <... symlink resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6446 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6445] chdir("./40" [pid 5837] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6446] <... set_robust_list resumed>) = 0 executing program [pid 6445] <... chdir resumed>) = 0 [pid 6444] write(1, "executing program\n", 18 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... mkdir resumed>) = 0 [pid 6446] chdir("./41" [pid 6445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6444] <... write resumed>) = 18 [pid 5837] newfstatat(AT_FDCWD, "./40/binderfs", [pid 6446] <... chdir resumed>) = 0 [pid 6445] <... prctl resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6445] setpgid(0, 0 [pid 6444] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] unlink("./40/binderfs" [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6446] <... prctl resumed>) = 0 [pid 6445] <... setpgid resumed>) = 0 [pid 6444] <... futex resumed>) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 6446] setpgid(0, 0 [pid 6445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6444] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5837] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... openat resumed>) = 3 [pid 6446] <... setpgid resumed>) = 0 [pid 6445] <... openat resumed>) = 3 [pid 6444] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6445] write(3, "1000", 4 [pid 6444] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5836] <... ioctl resumed>) = 0 [pid 6446] <... openat resumed>) = 3 [pid 6445] <... write resumed>) = 4 [pid 6444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 5836] close(3 [pid 6445] close(3 [pid 6444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5837] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6446] write(3, "1000", 4 [pid 6445] <... close resumed>) = 0 [pid 6444] <... mmap resumed>) = 0x7fee5fb34000 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... close resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./40/bus", [pid 6446] <... write resumed>) = 4 [pid 6446] close(3 [pid 6445] symlink("/dev/binderfs", "./binderfs" [pid 6444] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6446] <... close resumed>) = 0 ./strace-static-x86_64: Process 6447 attached [pid 6445] <... symlink resumed>) = 0 [pid 6444] <... mprotect resumed>) = 0 [pid 6446] symlink("/dev/binderfs", "./binderfs" [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6447] set_robust_list(0x55557a9486a0, 24 executing program [pid 6446] <... symlink resumed>) = 0 [pid 6445] write(1, "executing program\n", 18 [pid 6444] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6447 [pid 6447] <... set_robust_list resumed>) = 0 [pid 6446] write(1, "executing program\n", 18 [pid 6445] <... write resumed>) = 18 [pid 6444] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6447] chdir("./40" [pid 6446] <... write resumed>) = 18 [pid 6445] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6447] <... chdir resumed>) = 0 [pid 5837] openat(AT_FDCWD, "./40/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6448 attached [pid 6446] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] <... futex resumed>) = 0 [pid 5837] <... openat resumed>) = 4 [pid 6448] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6446] <... futex resumed>) = 0 [pid 6445] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5837] newfstatat(4, "", [pid 6448] <... rseq resumed>) = 0 [pid 6447] <... prctl resumed>) = 0 [pid 6446] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6445] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6444] <... clone3 resumed> => {parent_tid=[6448]}, 88) = 6448 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6448] set_robust_list(0x7fee5fb549a0, 24 [pid 6447] setpgid(0, 0 [pid 6446] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6444] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] getdents64(4, [pid 6448] <... set_robust_list resumed>) = 0 [pid 6447] <... setpgid resumed>) = 0 [pid 6446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6448] rt_sigprocmask(SIG_SETMASK, [], [pid 6447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] getdents64(4, [pid 6448] memfd_create("syzkaller", 0 [pid 6447] <... openat resumed>) = 3 [pid 6446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6444] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6448] <... memfd_create resumed>) = 3 [pid 6447] write(3, "1000", 4 [pid 6446] <... mmap resumed>) = 0x7fee5fb34000 [pid 6445] <... mmap resumed>) = 0x7fee5fb34000 [pid 6444] <... futex resumed>) = 0 [pid 5837] close(4 [pid 6448] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6447] <... write resumed>) = 4 [pid 6446] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6445] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6444] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] <... close resumed>) = 0 [pid 6448] <... mmap resumed>) = 0x7fee57600000 [pid 6447] close(3 [pid 6446] <... mprotect resumed>) = 0 [pid 6445] <... mprotect resumed>) = 0 [pid 5837] rmdir("./40/bus" [pid 6448] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6447] <... close resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 6447] symlink("/dev/binderfs", "./binderfs" [pid 6446] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6445] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] getdents64(3, [pid 6448] <... write resumed>) = 131072 [pid 6445] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6448] munmap(0x7fee57600000, 138412032 [pid 6447] <... symlink resumed>) = 0 [pid 6446] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] close(3executing program [pid 6447] write(1, "executing program\n", 18 [pid 6446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] <... close resumed>) = 0 [pid 6448] <... munmap resumed>) = 0 [pid 6447] <... write resumed>) = 18 ./strace-static-x86_64: Process 6450 attached ./strace-static-x86_64: Process 6449 attached [pid 6448] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6447] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] <... clone3 resumed> => {parent_tid=[6449]}, 88) = 6449 [pid 5837] rmdir("./40" [pid 6450] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6449] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6448] <... openat resumed>) = 4 [pid 6447] <... futex resumed>) = 0 [pid 6446] <... clone3 resumed> => {parent_tid=[6450]}, 88) = 6450 [pid 6445] rt_sigprocmask(SIG_SETMASK, [], [pid 6450] <... rseq resumed>) = 0 [pid 6448] ioctl(4, LOOP_SET_FD, 3 [pid 6447] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6446] rt_sigprocmask(SIG_SETMASK, [], [pid 6445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6450] set_robust_list(0x7fee5fb549a0, 24 [pid 6449] <... rseq resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 6449] set_robust_list(0x7fee5fb549a0, 24 [pid 5837] mkdir("./41", 0777 [pid 6449] <... set_robust_list resumed>) = 0 [pid 6449] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] <... mkdir resumed>) = 0 [pid 6449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6449] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6450] <... set_robust_list resumed>) = 0 [pid 6448] <... ioctl resumed>) = 0 [pid 6447] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6445] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] rt_sigprocmask(SIG_SETMASK, [], [pid 6449] <... futex resumed>) = 0 [pid 6448] close(3 [pid 6447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6446] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] <... futex resumed>) = 1 [pid 5837] <... openat resumed>) = 3 [pid 6450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6449] memfd_create("syzkaller", 0 [pid 6448] <... close resumed>) = 0 [pid 6447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6446] <... futex resumed>) = 0 [pid 6445] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6450] memfd_create("syzkaller", 0 [pid 6449] <... memfd_create resumed>) = 3 [pid 6448] close(4 [pid 6447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6446] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6450] <... memfd_create resumed>) = 3 [pid 6449] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6448] <... close resumed>) = 0 [pid 6447] <... mmap resumed>) = 0x7fee5fb34000 [pid 5837] <... ioctl resumed>) = 0 [pid 6450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6449] <... mmap resumed>) = 0x7fee57600000 [pid 6448] mkdir("./bus", 0777 [pid 6450] <... mmap resumed>) = 0x7fee57600000 [pid 6449] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6447] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5837] close(3 [pid 6448] <... mkdir resumed>) = 0 [pid 6450] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6447] <... mprotect resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 6447] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6449] <... write resumed>) = 131072 [pid 6447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6448] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6450] <... write resumed>) = 131072 ./strace-static-x86_64: Process 6451 attached [pid 6447] <... clone3 resumed> => {parent_tid=[6451]}, 88) = 6451 [pid 6449] munmap(0x7fee57600000, 138412032 [pid 6447] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6452 attached [pid 6451] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6449] <... munmap resumed>) = 0 [pid 6448] <... mount resumed>) = 0 [pid 6447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6451] <... rseq resumed>) = 0 [pid 6450] munmap(0x7fee57600000, 138412032 [pid 6448] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6447] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] set_robust_list(0x55557a9486a0, 24 [pid 6451] set_robust_list(0x7fee5fb549a0, 24 [pid 6450] <... munmap resumed>) = 0 [pid 6449] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6448] <... openat resumed>) = 3 [pid 6447] <... futex resumed>) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6452 [pid 6452] <... set_robust_list resumed>) = 0 [pid 6451] <... set_robust_list resumed>) = 0 [pid 6450] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6449] <... openat resumed>) = 4 [pid 6448] chdir("./bus" [pid 6447] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6452] chdir("./41" [pid 6451] rt_sigprocmask(SIG_SETMASK, [], [pid 6450] <... openat resumed>) = 4 [pid 6448] <... chdir resumed>) = 0 [ 94.608189][ T6448] loop2: detected capacity change from 0 to 256 [pid 6448] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6452] <... chdir resumed>) = 0 [pid 6448] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6451] memfd_create("syzkaller", 0 [pid 6450] ioctl(4, LOOP_SET_FD, 3 [pid 6452] setpgid(0, 0 [pid 6451] <... memfd_create resumed>) = 3 [pid 6452] <... setpgid resumed>) = 0 [pid 6452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6449] ioctl(4, LOOP_SET_FD, 3 [pid 6451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6450] <... ioctl resumed>) = 0 [pid 6448] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] write(3, "1000", 4 [pid 6451] <... mmap resumed>) = 0x7fee57600000 [pid 6452] <... write resumed>) = 4 [pid 6450] close(3 [pid 6448] <... futex resumed>) = 1 [pid 6451] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6450] <... close resumed>) = 0 [pid 6448] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] close(3) = 0 [pid 6452] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6450] close(4 [pid 6452] write(1, "executing program\n", 18 [pid 6450] <... close resumed>) = 0 [pid 6444] <... futex resumed>) = 0 executing program [pid 6450] mkdir("./bus", 0777 [pid 6452] <... write resumed>) = 18 [pid 6452] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] <... mkdir resumed>) = 0 [pid 6444] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = 1 [pid 6448] <... futex resumed>) = 0 [pid 6452] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6450] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6448] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6444] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6452] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6448] <... openat resumed>) = 4 [pid 6451] <... write resumed>) = 131072 [pid 6448] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6448] <... futex resumed>) = 1 [pid 6452] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6448] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6444] <... futex resumed>) = 0 [pid 6452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6453 attached [pid 6444] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] munmap(0x7fee57600000, 138412032 [pid 6452] <... clone3 resumed> => {parent_tid=[6453]}, 88) = 6453 [pid 6453] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6452] rt_sigprocmask(SIG_SETMASK, [], [pid 6453] <... rseq resumed>) = 0 [pid 6452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6453] set_robust_list(0x7fee5fb549a0, 24 [pid 6452] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... munmap resumed>) = 0 [pid 6448] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = 1 [pid 6450] <... mount resumed>) = 0 [pid 6448] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6451] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6444] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] <... futex resumed>) = 0 [pid 6452] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6451] <... openat resumed>) = 4 [pid 6448] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] ioctl(4, LOOP_SET_FD, 3 [pid 6448] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] <... set_robust_list resumed>) = 0 [pid 6453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6453] memfd_create("syzkaller", 0) = 3 [pid 6453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6453] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 6453] munmap(0x7fee57600000, 138412032) = 0 [pid 6451] <... ioctl resumed>) = 0 [pid 6450] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6449] <... ioctl resumed>) = 0 [pid 6448] <... futex resumed>) = 1 [pid 6444] <... futex resumed>) = 0 [pid 6453] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6451] close(3 [pid 6450] <... openat resumed>) = 3 [pid 6449] close(3 [pid 6448] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6444] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] <... openat resumed>) = 4 [pid 6451] <... close resumed>) = 0 [pid 6450] chdir("./bus" [pid 6449] <... close resumed>) = 0 [pid 6448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6444] <... futex resumed>) = 0 [pid 6453] ioctl(4, LOOP_SET_FD, 3 [pid 6451] close(4 [pid 6450] <... chdir resumed>) = 0 [pid 6449] close(4 [pid 6448] dup(4 [ 94.655353][ T6450] loop4: detected capacity change from 0 to 256 [ 94.656829][ T6449] loop3: detected capacity change from 0 to 256 [ 94.686799][ T6451] loop0: detected capacity change from 0 to 256 [pid 6444] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6451] <... close resumed>) = 0 [pid 6450] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6449] <... close resumed>) = 0 [pid 6448] <... dup resumed>) = 5 [pid 6451] mkdir("./bus", 0777 [pid 6450] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6448] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... mkdir resumed>) = 0 [pid 6450] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] <... futex resumed>) = 1 [pid 6444] <... futex resumed>) = 0 [pid 6450] <... futex resumed>) = 1 [pid 6448] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6444] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6450] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6444] <... futex resumed>) = 0 [pid 6449] mkdir("./bus", 0777 [pid 6448] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6446] <... futex resumed>) = 0 [pid 6444] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6453] <... ioctl resumed>) = 0 [pid 6449] <... mkdir resumed>) = 0 [pid 6446] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] close(3 [pid 6450] <... futex resumed>) = 0 [pid 6449] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6446] <... futex resumed>) = 1 [pid 6453] <... close resumed>) = 0 [pid 6450] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6446] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6450] <... openat resumed>) = 4 [pid 6453] close(4 [pid 6450] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... mount resumed>) = 0 [pid 6453] <... close resumed>) = 0 [pid 6451] <... mount resumed>) = 0 [pid 6449] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6453] mkdir("./bus", 0777 [pid 6451] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6450] <... futex resumed>) = 1 [pid 6449] <... openat resumed>) = 3 [pid 6446] <... futex resumed>) = 0 [pid 6451] <... openat resumed>) = 3 [pid 6450] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6446] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] chdir("./bus" [pid 6450] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] chdir("./bus" [pid 6446] <... futex resumed>) = 0 [pid 6449] <... chdir resumed>) = 0 [pid 6446] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6449] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6451] <... chdir resumed>) = 0 [pid 6450] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6450] <... futex resumed>) = 1 [pid 6449] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6446] <... futex resumed>) = 0 [pid 6451] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6450] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6449] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6449] <... futex resumed>) = 1 [pid 6446] <... futex resumed>) = 0 [pid 6451] <... futex resumed>) = 1 [pid 6450] dup(4 [pid 6447] <... futex resumed>) = 0 [pid 6446] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] <... futex resumed>) = 0 [pid 6451] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6450] <... dup resumed>) = 5 [pid 6445] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] <... mkdir resumed>) = 0 [pid 6450] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6447] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6450] <... futex resumed>) = 1 [pid 6446] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = 0 [pid 6451] <... futex resumed>) = 0 [pid 6450] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6449] <... openat resumed>) = 4 [pid 6447] <... futex resumed>) = 1 [pid 6446] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6447] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6446] <... futex resumed>) = 0 [pid 6445] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6451] <... openat resumed>) = 4 [pid 6450] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6449] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6453] <... mount resumed>) = 0 [pid 6451] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... futex resumed>) = 0 [pid 6445] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6451] <... futex resumed>) = 1 [pid 6445] <... futex resumed>) = 0 [pid 6453] <... openat resumed>) = 3 [pid 6451] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6449] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6447] <... futex resumed>) = 0 [pid 6445] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6453] chdir("./bus" [pid 6451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6449] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] <... chdir resumed>) = 0 [pid 6451] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6449] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... futex resumed>) = 0 [pid 6453] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6451] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] <... futex resumed>) = 0 [pid 6449] <... futex resumed>) = 1 [pid 6453] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6451] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] dup(4 [pid 6447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6445] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... futex resumed>) = 0 [pid 6449] <... dup resumed>) = 5 [pid 6445] <... futex resumed>) = 0 [pid 6453] <... futex resumed>) = 1 [pid 6452] <... futex resumed>) = 0 [pid 6451] dup(4 [pid 6449] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6453] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... dup resumed>) = 5 [ 94.708169][ T6453] loop1: detected capacity change from 0 to 256 [pid 6447] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6452] <... futex resumed>) = 0 [pid 6451] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... futex resumed>) = 0 [pid 6447] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6453] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6452] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6449] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6445] <... futex resumed>) = 0 [pid 6453] <... openat resumed>) = 4 [pid 6451] <... futex resumed>) = 0 [pid 6444] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6445] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6444] <... futex resumed>) = 0 [pid 6453] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6447] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6453] <... futex resumed>) = 1 [pid 6452] <... futex resumed>) = 0 [pid 6451] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6447] <... futex resumed>) = 0 [pid 6444] <... mmap resumed>) = 0x7fee5fb13000 [pid 6453] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6444] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6452] <... futex resumed>) = 0 [pid 6452] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6444] <... mprotect resumed>) = 0 [pid 6453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6444] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6453] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6444] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6453] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6454 attached [pid 6453] <... futex resumed>) = 1 [pid 6452] <... futex resumed>) = 0 [pid 6453] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6452] <... futex resumed>) = 0 [pid 6454] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6453] dup(4 [pid 6452] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6454] <... rseq resumed>) = 0 [pid 6453] <... dup resumed>) = 5 [pid 6454] set_robust_list(0x7fee5fb339a0, 24 [pid 6453] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6452] <... futex resumed>) = 0 [pid 6454] <... set_robust_list resumed>) = 0 [pid 6453] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6452] <... futex resumed>) = 0 [pid 6454] rt_sigprocmask(SIG_SETMASK, [], [pid 6453] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6452] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6444] <... clone3 resumed> => {parent_tid=[6454]}, 88) = 6454 [pid 6454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6454] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6446] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6444] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6446] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] <... futex resumed>) = 0 [pid 6446] <... futex resumed>) = 0 [pid 6444] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6454] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6446] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6454] <... madvise resumed>) = 0 [pid 6446] <... mprotect resumed>) = 0 [pid 6445] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6446] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6445] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6445] <... futex resumed>) = 0 [pid 6445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6445] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6455 attached [pid 6454] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6445] <... mprotect resumed>) = 0 [pid 6447] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] <... futex resumed>) = 1 [pid 6445] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6454] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6447] <... futex resumed>) = 0 [pid 6446] <... clone3 resumed> => {parent_tid=[6455]}, 88) = 6455 [pid 6455] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6445] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6446] rt_sigprocmask(SIG_SETMASK, [], [pid 6455] <... rseq resumed>) = 0 [pid 6447] <... mmap resumed>) = 0x7fee5fb13000 [pid 6446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6455] set_robust_list(0x7fee5fb339a0, 24 [pid 6447] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6446] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6456 attached [pid 6455] <... set_robust_list resumed>) = 0 [pid 6447] <... mprotect resumed>) = 0 [pid 6446] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = 0 [pid 6456] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6455] rt_sigprocmask(SIG_SETMASK, [], [pid 6452] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6447] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6446] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] <... clone3 resumed> => {parent_tid=[6456]}, 88) = 6456 [pid 6456] <... rseq resumed>) = 0 [pid 6455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6452] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6445] rt_sigprocmask(SIG_SETMASK, [], [pid 6456] set_robust_list(0x7fee5fb339a0, 24 [pid 6455] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6452] <... futex resumed>) = 0 [pid 6447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6456] <... set_robust_list resumed>) = 0 [pid 6452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6445] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6457 attached [pid 6456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6456] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6457] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6456] <... madvise resumed>) = 0 [pid 6452] <... mmap resumed>) = 0x7fee5fb13000 [pid 6447] <... clone3 resumed> => {parent_tid=[6457]}, 88) = 6457 [pid 6445] <... futex resumed>) = 0 [pid 6457] <... rseq resumed>) = 0 [pid 6445] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6457] set_robust_list(0x7fee5fb339a0, 24 [pid 6452] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6447] rt_sigprocmask(SIG_SETMASK, [], [pid 6457] <... set_robust_list resumed>) = 0 [pid 6457] rt_sigprocmask(SIG_SETMASK, [], [pid 6455] <... madvise resumed>) = 0 [pid 6452] <... mprotect resumed>) = 0 [pid 6447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6455] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6447] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6457] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6455] <... futex resumed>) = 1 [pid 6452] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6447] <... futex resumed>) = 0 [pid 6446] <... futex resumed>) = 0 [pid 6447] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6455] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6458 attached [pid 6458] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6452] <... clone3 resumed> => {parent_tid=[6458]}, 88) = 6458 [pid 6458] <... rseq resumed>) = 0 [pid 6457] <... madvise resumed>) = 0 [pid 6456] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] rt_sigprocmask(SIG_SETMASK, [], [pid 6458] set_robust_list(0x7fee5fb339a0, 24 [pid 6456] <... futex resumed>) = 1 [pid 6445] <... futex resumed>) = 0 [pid 6458] <... set_robust_list resumed>) = 0 [pid 6457] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6458] rt_sigprocmask(SIG_SETMASK, [], [pid 6457] <... futex resumed>) = 1 [pid 6456] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... futex resumed>) = 0 [pid 6458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6457] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] <... futex resumed>) = 0 [pid 6458] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6452] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6458] <... madvise resumed>) = 0 [pid 6458] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6452] <... futex resumed>) = 0 [pid 6458] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] <... mmap resumed>) = 0x20000000 [pid 6450] <... mmap resumed>) = 0x20000000 [pid 6449] <... mmap resumed>) = 0x20000000 [pid 6448] <... mmap resumed>) = 0x20000000 [pid 6453] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... mmap resumed>) = 0x20000000 [pid 6450] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] exit_group(0 [pid 6455] <... futex resumed>) = ? [pid 6451] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... futex resumed>) = 0 [pid 6448] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] <... futex resumed>) = 0 [pid 6450] <... futex resumed>) = ? [pid 6446] <... exit_group resumed>) = ? [pid 6445] exit_group(0 [pid 6444] exit_group(0 [pid 6456] <... futex resumed>) = ? [pid 6455] +++ exited with 0 +++ [pid 6454] <... futex resumed>) = ? [pid 6453] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] exit_group(0 [pid 6451] <... futex resumed>) = 0 [pid 6450] +++ exited with 0 +++ [pid 6445] <... exit_group resumed>) = ? [pid 6444] <... exit_group resumed>) = ? [pid 6458] <... futex resumed>) = ? [pid 6456] +++ exited with 0 +++ [pid 6454] +++ exited with 0 +++ [pid 6453] <... futex resumed>) = ? [pid 6452] <... exit_group resumed>) = ? [pid 6451] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] <... futex resumed>) = ? [pid 6447] exit_group(0 [pid 6458] +++ exited with 0 +++ [pid 6457] <... futex resumed>) = ? [pid 6453] +++ exited with 0 +++ [pid 6447] <... exit_group resumed>) = ? [pid 6457] +++ exited with 0 +++ [pid 6446] +++ exited with 0 +++ [pid 6451] <... futex resumed>) = ? [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6446, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6452] +++ exited with 0 +++ [pid 5840] <... restart_syscall resumed>) = 0 [pid 5840] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./41/binderfs") = 0 [pid 5840] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6451] +++ exited with 0 +++ [pid 6447] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6452, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6447, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5840] <... umount2 resumed>) = 0 [pid 5837] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6449] +++ exited with 0 +++ [pid 6445] +++ exited with 0 +++ [pid 5836] <... restart_syscall resumed>) = 0 [pid 5840] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6445, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5837] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] newfstatat(AT_FDCWD, "./41/bus", [pid 5839] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... openat resumed>) = 3 [pid 5836] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(3, "", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... openat resumed>) = 3 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5840] openat(AT_FDCWD, "./41/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] newfstatat(3, "", [pid 5837] getdents64(3, [pid 5836] newfstatat(3, "", [pid 5840] <... openat resumed>) = 4 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] newfstatat(4, "", [pid 5839] getdents64(3, [pid 5837] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] getdents64(3, [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] getdents64(4, [pid 5839] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] newfstatat(AT_FDCWD, "./41/binderfs", [pid 5836] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] getdents64(4, [pid 5839] newfstatat(AT_FDCWD, "./40/binderfs", [pid 5837] unlink("./41/binderfs" [pid 5836] newfstatat(AT_FDCWD, "./40/binderfs", [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] close(4 [pid 5839] unlink("./40/binderfs" [pid 5836] unlink("./40/binderfs" [pid 5840] <... close resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5837] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... unlink resumed>) = 0 [pid 5840] rmdir("./41/bus" [pid 5839] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... rmdir resumed>) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 5837] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(3, [pid 5839] <... umount2 resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = 0 [pid 5839] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] newfstatat(AT_FDCWD, "./41/bus", [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] close(3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... close resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./40/bus", [pid 5836] newfstatat(AT_FDCWD, "./40/bus", [pid 5840] rmdir("./41" [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./41/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] mkdir("./42", 0777 [pid 5836] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... mkdir resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./40/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5836] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] getdents64(4, [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5837] <... openat resumed>) = 4 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] close(4 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] openat(AT_FDCWD, "./40/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] newfstatat(4, "", [pid 5836] <... close resumed>) = 0 [pid 5839] <... openat resumed>) = 4 [pid 5840] <... ioctl resumed>) = 0 [pid 5839] newfstatat(4, "", [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] rmdir("./40/bus" [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, [pid 5839] getdents64(4, [pid 5840] close(3 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... rmdir resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] getdents64(4, [pid 5837] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] close(4) = 0 [pid 5839] close(4 [pid 5837] rmdir("./41/bus" [pid 5836] getdents64(3, 0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] <... close resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] close(3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] rmdir("./40/bus" [pid 5837] getdents64(3, [pid 5836] <... close resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6459 attached [pid 5836] rmdir("./40" [pid 6459] set_robust_list(0x55557a9486a0, 24 [pid 5839] <... rmdir resumed>) = 0 [pid 5837] close(3 [pid 6459] <... set_robust_list resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 6459] chdir("./42" [pid 5839] getdents64(3, [pid 5837] rmdir("./41" [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] mkdir("./41", 0777 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6459 [pid 5839] close(3 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5837] mkdir("./42", 0777 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6459] <... chdir resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5836] ioctl(3, LOOP_CLR_FD) = 0 [pid 6459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6448] +++ exited with 0 +++ [pid 6444] +++ exited with 0 +++ [pid 5839] <... close resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] close(3 [pid 6459] <... prctl resumed>) = 0 [pid 5839] rmdir("./40" [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6444, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5837] <... openat resumed>) = 3 [pid 5836] <... close resumed>) = 0 [pid 6459] setpgid(0, 0 [pid 5838] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 ./strace-static-x86_64: Process 6460 attached [pid 5838] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6460] set_robust_list(0x55557a9486a0, 24 [pid 5838] newfstatat(AT_FDCWD, "./41/binderfs", [pid 6460] <... set_robust_list resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6460] chdir("./41" [pid 5838] unlink("./41/binderfs") = 0 [pid 6460] <... chdir resumed>) = 0 [pid 6459] <... setpgid resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6460 [pid 5839] mkdir("./41", 0777 [pid 5837] <... ioctl resumed>) = 0 [pid 6459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] <... mkdir resumed>) = 0 [pid 5837] close(3 [pid 6459] <... openat resumed>) = 3 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] <... close resumed>) = 0 [pid 6460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6459] write(3, "1000", 4 [pid 5839] <... openat resumed>) = 3 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6461 attached [pid 6460] <... prctl resumed>) = 0 [pid 6459] <... write resumed>) = 4 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 6461] set_robust_list(0x55557a9486a0, 24 [pid 6460] setpgid(0, 0 [pid 6459] close(3 [pid 5839] <... ioctl resumed>) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6461 [pid 6461] <... set_robust_list resumed>) = 0 [pid 6460] <... setpgid resumed>) = 0 [pid 6459] <... close resumed>) = 0 [pid 5839] close(3 [pid 6461] chdir("./42" [pid 6460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6459] symlink("/dev/binderfs", "./binderfs" [pid 5838] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6461] <... chdir resumed>) = 0 [pid 6460] <... openat resumed>) = 3 [pid 6459] <... symlink resumed>) = 0 [pid 6461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6460] write(3, "1000", 4executing program [pid 6461] setpgid(0, 0 [pid 6460] <... write resumed>) = 4 [pid 6459] write(1, "executing program\n", 18 [pid 5838] <... umount2 resumed>) = 0 [pid 6459] <... write resumed>) = 18 [pid 5839] <... close resumed>) = 0 [pid 5838] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6461] <... setpgid resumed>) = 0 [pid 6459] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6460] close(3 [pid 6459] <... futex resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./41/bus", [pid 6461] <... openat resumed>) = 3 [pid 6460] <... close resumed>) = 0 [pid 6459] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6462 attached [pid 6461] write(3, "1000", 4 [pid 6460] symlink("/dev/binderfs", "./binderfs" [pid 6459] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5838] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6461] <... write resumed>) = 4 [pid 6460] <... symlink resumed>) = 0 executing program [pid 6461] close(3 [pid 6460] write(1, "executing program\n", 18 [pid 6461] <... close resumed>) = 0 [pid 6460] <... write resumed>) = 18 [pid 6461] symlink("/dev/binderfs", "./binderfs" [pid 6460] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6461] <... symlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6460] <... futex resumed>) = 0 [pid 6461] write(1, "executing program\n", 18 [pid 6460] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6461] <... write resumed>) = 18 [pid 6460] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6461] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6462 [pid 6462] set_robust_list(0x55557a9486a0, 24 [pid 6461] <... futex resumed>) = 0 [pid 6460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5838] openat(AT_FDCWD, "./41/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6462] <... set_robust_list resumed>) = 0 [pid 6461] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... openat resumed>) = 4 [pid 6462] chdir("./41" [pid 6461] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5838] newfstatat(4, "", [pid 6461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6460] <... mmap resumed>) = 0x7fee5fb34000 [pid 6461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6460] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6459] <... mmap resumed>) = 0x7fee5fb34000 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6460] <... mprotect resumed>) = 0 [pid 6462] <... chdir resumed>) = 0 [pid 6461] <... mmap resumed>) = 0x7fee5fb34000 [pid 6460] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6459] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5838] getdents64(4, [pid 6462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6461] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6462] <... prctl resumed>) = 0 [pid 6461] <... mprotect resumed>) = 0 [pid 6460] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6459] <... mprotect resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6462] setpgid(0, 0 [pid 6461] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6463 attached [pid 6462] <... setpgid resumed>) = 0 [pid 6461] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] getdents64(4, [pid 6463] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6460] <... clone3 resumed> => {parent_tid=[6463]}, 88) = 6463 [pid 6459] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6464 attached [pid 6463] <... rseq resumed>) = 0 [pid 6462] <... openat resumed>) = 3 [pid 6460] rt_sigprocmask(SIG_SETMASK, [], [pid 6459] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6464] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6463] set_robust_list(0x7fee5fb549a0, 24 [pid 6462] write(3, "1000", 4 [pid 6461] <... clone3 resumed> => {parent_tid=[6464]}, 88) = 6464 [pid 6460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] close(4 [pid 6462] <... write resumed>) = 4 [pid 6459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6462] close(3 [pid 5838] <... close resumed>) = 0 [pid 6462] <... close resumed>) = 0 ./strace-static-x86_64: Process 6465 attached [pid 6464] <... rseq resumed>) = 0 [pid 6463] <... set_robust_list resumed>) = 0 [pid 6462] symlink("/dev/binderfs", "./binderfs" [pid 6461] rt_sigprocmask(SIG_SETMASK, [], [pid 6460] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] rmdir("./41/bus" [pid 6464] set_robust_list(0x7fee5fb549a0, 24 [pid 6463] rt_sigprocmask(SIG_SETMASK, [], [pid 6461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6460] <... futex resumed>) = 0 [pid 6464] <... set_robust_list resumed>) = 0 [pid 6463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6461] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6462] <... symlink resumed>) = 0 [pid 6465] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6464] rt_sigprocmask(SIG_SETMASK, [], [pid 6463] memfd_create("syzkaller", 0 [pid 6461] <... futex resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 6465] <... rseq resumed>) = 0 [pid 6464] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6463] <... memfd_create resumed>) = 3 [pid 6462] write(1, "executing program\n", 18 [pid 6461] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6459] <... clone3 resumed> => {parent_tid=[6465]}, 88) = 6465 [pid 5838] getdents64(3, [pid 6465] set_robust_list(0x7fee5fb549a0, 24 [pid 6464] memfd_create("syzkaller", 0 [pid 6463] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6462] <... write resumed>) = 18 [pid 6459] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6465] <... set_robust_list resumed>) = 0 [pid 6464] <... memfd_create resumed>) = 3 [pid 6462] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] close(3 [pid 6465] rt_sigprocmask(SIG_SETMASK, [], [pid 6462] <... futex resumed>) = 0 [pid 6459] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... close resumed>) = 0 [pid 6462] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6465] memfd_create("syzkaller", 0 [pid 6464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6462] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6459] <... futex resumed>) = 0 [pid 5838] rmdir("./41" [pid 6465] <... memfd_create resumed>) = 3 [pid 6464] <... mmap resumed>) = 0x7fee57600000 [pid 6462] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6459] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6464] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6463] <... mmap resumed>) = 0x7fee57600000 [pid 6462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 6465] <... mmap resumed>) = 0x7fee57600000 [pid 6463] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6465] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6464] <... write resumed>) = 131072 [pid 6462] <... mmap resumed>) = 0x7fee5fb34000 [pid 6463] <... write resumed>) = 131072 [pid 6464] munmap(0x7fee57600000, 138412032 [pid 6462] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5838] mkdir("./42", 0777 [pid 6462] <... mprotect resumed>) = 0 [pid 6464] <... munmap resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 6463] munmap(0x7fee57600000, 138412032 [pid 6462] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6464] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6463] <... munmap resumed>) = 0 [pid 6464] <... openat resumed>) = 4 [pid 6463] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6464] ioctl(4, LOOP_SET_FD, 3 [pid 6463] <... openat resumed>) = 4 [pid 6465] <... write resumed>) = 131072 [pid 6462] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6465] munmap(0x7fee57600000, 138412032 [pid 6464] <... ioctl resumed>) = 0 [pid 6463] ioctl(4, LOOP_SET_FD, 3 [pid 6462] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5838] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6466 attached [pid 6465] <... munmap resumed>) = 0 [pid 6464] close(3 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 6466] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6465] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6464] <... close resumed>) = 0 [pid 6462] <... clone3 resumed> => {parent_tid=[6466]}, 88) = 6466 [pid 5838] <... ioctl resumed>) = 0 [pid 6465] <... openat resumed>) = 4 [pid 6462] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] close(3 [pid 6462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6466] <... rseq resumed>) = 0 [pid 6465] ioctl(4, LOOP_SET_FD, 3 [pid 6464] close(4 [pid 6463] <... ioctl resumed>) = 0 [pid 6462] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... close resumed>) = 0 [pid 6466] set_robust_list(0x7fee5fb549a0, 24 [pid 6464] <... close resumed>) = 0 [pid 6463] close(3 [pid 6466] <... set_robust_list resumed>) = 0 [pid 6464] mkdir("./bus", 0777 [pid 6463] <... close resumed>) = 0 [pid 6466] rt_sigprocmask(SIG_SETMASK, [], [pid 6462] <... futex resumed>) = 0 [pid 6466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6464] <... mkdir resumed>) = 0 [pid 6463] close(4 [pid 6462] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6466] memfd_create("syzkaller", 0 [pid 6464] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6463] <... close resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6466] <... memfd_create resumed>) = 3 [pid 6463] mkdir("./bus", 0777 [pid 6466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6467 ./strace-static-x86_64: Process 6467 attached [pid 6467] set_robust_list(0x55557a9486a0, 24) = 0 [pid 6467] chdir("./42") = 0 [pid 6466] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6467] setpgid(0, 0) = 0 [pid 6467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6463] <... mkdir resumed>) = 0 [pid 6467] <... openat resumed>) = 3 [pid 6467] write(3, "1000", 4 [pid 6464] <... mount resumed>) = 0 [pid 6463] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6467] <... write resumed>) = 4 [pid 6467] close(3) = 0 [pid 6467] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6464] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORYexecuting program [pid 6467] write(1, "executing program\n", 18 [pid 6466] <... write resumed>) = 131072 [pid 6465] <... ioctl resumed>) = 0 [pid 6464] <... openat resumed>) = 3 [pid 6463] <... mount resumed>) = 0 [pid 6467] <... write resumed>) = 18 [pid 6467] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6465] close(3 [pid 6464] chdir("./bus" [pid 6463] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6467] <... futex resumed>) = 0 [pid 6466] munmap(0x7fee57600000, 138412032 [pid 6465] <... close resumed>) = 0 [pid 6464] <... chdir resumed>) = 0 [pid 6463] <... openat resumed>) = 3 [pid 6467] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6466] <... munmap resumed>) = 0 [pid 6465] close(4 [pid 6464] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6463] chdir("./bus" [pid 6467] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6466] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6465] <... close resumed>) = 0 [pid 6464] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6463] <... chdir resumed>) = 0 [pid 6467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6466] <... openat resumed>) = 4 [pid 6465] mkdir("./bus", 0777 [ 95.154807][ T6464] loop1: detected capacity change from 0 to 256 [ 95.165370][ T6463] loop0: detected capacity change from 0 to 256 [ 95.174996][ T6465] loop4: detected capacity change from 0 to 256 [pid 6464] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6466] ioctl(4, LOOP_SET_FD, 3 [pid 6464] <... futex resumed>) = 1 [pid 6463] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6461] <... futex resumed>) = 0 [pid 6467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6465] <... mkdir resumed>) = 0 [pid 6464] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6463] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6461] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] <... openat resumed>) = 4 [pid 6463] <... futex resumed>) = 1 [pid 6461] <... futex resumed>) = 0 [pid 6464] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6461] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6464] <... futex resumed>) = 0 [pid 6464] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6460] <... futex resumed>) = 0 [pid 6461] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] <... futex resumed>) = 0 [pid 6463] <... futex resumed>) = 0 [pid 6461] <... futex resumed>) = 1 [pid 6460] <... futex resumed>) = 1 [pid 6464] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6463] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6461] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6460] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6464] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... openat resumed>) = 4 [pid 6464] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6460] <... futex resumed>) = 0 [pid 6463] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6460] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] <... futex resumed>) = 1 [pid 6463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6461] <... futex resumed>) = 0 [pid 6460] <... futex resumed>) = 0 [pid 6464] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6463] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6461] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6463] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] dup(4 [pid 6463] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6461] <... futex resumed>) = 0 [pid 6464] <... dup resumed>) = 5 [pid 6463] <... futex resumed>) = 1 [pid 6461] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6460] <... futex resumed>) = 0 [pid 6464] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6460] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] <... futex resumed>) = 0 [pid 6463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6461] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] <... futex resumed>) = 0 [pid 6464] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6463] dup(4 [pid 6461] <... futex resumed>) = 0 [pid 6460] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6467] <... mmap resumed>) = 0x7fee5fb34000 [pid 6465] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6463] <... dup resumed>) = 5 [pid 6461] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6466] <... ioctl resumed>) = 0 [pid 6463] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6460] <... futex resumed>) = 0 [pid 6467] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6466] close(3 [pid 6463] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6460] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6467] <... mprotect resumed>) = 0 [pid 6466] <... close resumed>) = 0 [pid 6465] <... mount resumed>) = 0 [pid 6460] <... futex resumed>) = 0 [pid 6467] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6465] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6460] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6467] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6465] <... openat resumed>) = 3 [pid 6467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6466] close(4 [pid 6465] chdir("./bus"./strace-static-x86_64: Process 6468 attached [pid 6466] <... close resumed>) = 0 [pid 6468] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6467] <... clone3 resumed> => {parent_tid=[6468]}, 88) = 6468 [pid 6466] mkdir("./bus", 0777 [pid 6465] <... chdir resumed>) = 0 [pid 6468] <... rseq resumed>) = 0 [pid 6467] rt_sigprocmask(SIG_SETMASK, [], [pid 6466] <... mkdir resumed>) = 0 [pid 6465] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6468] set_robust_list(0x7fee5fb549a0, 24 [pid 6467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6466] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6465] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6468] <... set_robust_list resumed>) = 0 [pid 6465] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6467] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] rt_sigprocmask(SIG_SETMASK, [], [pid 6465] <... futex resumed>) = 1 [pid 6468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6467] <... futex resumed>) = 0 [pid 6459] <... futex resumed>) = 0 [pid 6467] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6465] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6459] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] memfd_create("syzkaller", 0 [pid 6465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6459] <... futex resumed>) = 0 [pid 6468] <... memfd_create resumed>) = 3 [pid 6465] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6459] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6465] <... openat resumed>) = 4 [pid 6468] <... mmap resumed>) = 0x7fee57600000 [pid 6465] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6466] <... mount resumed>) = 0 [pid 6465] <... futex resumed>) = 1 [pid 6459] <... futex resumed>) = 0 [pid 6466] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6468] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6466] <... openat resumed>) = 3 [pid 6465] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6459] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6466] chdir("./bus" [pid 6465] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6459] <... futex resumed>) = 0 [pid 6466] <... chdir resumed>) = 0 [pid 6465] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6459] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6466] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6465] <... futex resumed>) = 0 [pid 6459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6466] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6465] dup(4 [pid 6462] <... futex resumed>) = 0 [pid 6459] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6466] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6465] <... dup resumed>) = 5 [pid 6462] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6459] <... futex resumed>) = 0 [pid 6466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6466] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME) = 4 [ 95.216060][ T6466] loop3: detected capacity change from 0 to 256 [pid 6466] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6465] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] <... futex resumed>) = 0 [pid 6459] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6465] <... futex resumed>) = 0 [pid 6462] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6465] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6459] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6462] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6459] <... futex resumed>) = 0 [pid 6468] <... write resumed>) = 131072 [pid 6466] <... futex resumed>) = 0 [pid 6465] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6462] <... futex resumed>) = 0 [pid 6459] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6468] munmap(0x7fee57600000, 138412032 [pid 6466] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6462] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6466] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6466] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6461] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6466] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6461] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6461] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6462] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6469 attached => {parent_tid=[6469]}, 88) = 6469 [pid 6461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6461] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6469] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6466] <... futex resumed>) = 0 [pid 6462] <... futex resumed>) = 1 [pid 6461] <... futex resumed>) = 0 [pid 6460] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6469] <... rseq resumed>) = 0 [pid 6466] dup(4 [pid 6461] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6460] <... futex resumed>) = 0 [pid 6469] set_robust_list(0x7fee5fb339a0, 24 [pid 6468] <... munmap resumed>) = 0 [pid 6466] <... dup resumed>) = 5 [pid 6462] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6466] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6469] <... set_robust_list resumed>) = 0 [pid 6462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6468] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6466] <... futex resumed>) = 0 [pid 6462] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] <... mmap resumed>) = 0x7fee5fb13000 [pid 6468] <... openat resumed>) = 4 [pid 6462] <... futex resumed>) = 0 [pid 6468] ioctl(4, LOOP_SET_FD, 3 [pid 6462] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6460] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6466] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6460] <... mprotect resumed>) = 0 [pid 6469] rt_sigprocmask(SIG_SETMASK, [], [pid 6460] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6460] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6469] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6469] <... madvise resumed>) = 0 ./strace-static-x86_64: Process 6470 attached [pid 6460] <... clone3 resumed> => {parent_tid=[6470]}, 88) = 6470 [pid 6460] rt_sigprocmask(SIG_SETMASK, [], [pid 6468] <... ioctl resumed>) = 0 [pid 6460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6468] close(3 [pid 6460] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] <... close resumed>) = 0 [pid 6460] <... futex resumed>) = 0 [pid 6470] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6469] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6470] <... rseq resumed>) = 0 [pid 6469] <... futex resumed>) = 1 [pid 6461] <... futex resumed>) = 0 [pid 6470] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6469] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6470] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6468] close(4 [pid 6459] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6470] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] <... close resumed>) = 0 [pid 6459] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] <... futex resumed>) = 1 [pid 6468] mkdir("./bus", 0777 [pid 6460] <... futex resumed>) = 0 [pid 6459] <... futex resumed>) = 0 [pid 6470] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6468] <... mkdir resumed>) = 0 [pid 6468] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6459] <... mmap resumed>) = 0x7fee5fb13000 [pid 6459] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6468] <... mount resumed>) = 0 [pid 6462] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6459] <... mprotect resumed>) = 0 [pid 6468] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6462] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6459] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6468] <... openat resumed>) = 3 [pid 6462] <... futex resumed>) = 0 [pid 6468] chdir("./bus" [pid 6462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6459] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6468] <... chdir resumed>) = 0 [pid 6459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6468] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [ 95.312354][ T6468] loop2: detected capacity change from 0 to 256 ./strace-static-x86_64: Process 6471 attached [pid 6468] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6459] <... clone3 resumed> => {parent_tid=[6471]}, 88) = 6471 [pid 6459] rt_sigprocmask(SIG_SETMASK, [], [pid 6468] <... futex resumed>) = 1 [pid 6459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6471] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6468] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6467] <... futex resumed>) = 0 [pid 6471] <... rseq resumed>) = 0 [pid 6459] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6467] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] <... futex resumed>) = 0 [pid 6467] <... futex resumed>) = 1 [pid 6459] <... futex resumed>) = 0 [pid 6468] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6467] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6459] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6471] set_robust_list(0x7fee5fb339a0, 24 [pid 6468] <... openat resumed>) = 4 [pid 6471] <... set_robust_list resumed>) = 0 [pid 6468] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] <... mmap resumed>) = 0x7fee5fb13000 [pid 6471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6468] <... futex resumed>) = 1 [pid 6467] <... futex resumed>) = 0 [pid 6462] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6471] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6468] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6467] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] <... mprotect resumed>) = 0 [pid 6468] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6467] <... futex resumed>) = 0 [pid 6462] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6468] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6467] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6462] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6468] <... futex resumed>) = 0 [pid 6467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6462] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6472 attached [pid 6468] dup(4 [pid 6467] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6472] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6462] <... clone3 resumed> => {parent_tid=[6472]}, 88) = 6472 [pid 6472] <... rseq resumed>) = 0 [pid 6462] rt_sigprocmask(SIG_SETMASK, [], [pid 6472] set_robust_list(0x7fee5fb339a0, 24 [pid 6462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6472] <... set_robust_list resumed>) = 0 [pid 6462] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6472] rt_sigprocmask(SIG_SETMASK, [], [pid 6462] <... futex resumed>) = 0 [pid 6472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6471] <... madvise resumed>) = 0 [pid 6467] <... futex resumed>) = 0 [pid 6462] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6472] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6468] <... dup resumed>) = 5 [pid 6468] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6467] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6468] <... futex resumed>) = 0 [pid 6467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6468] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6467] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6467] <... futex resumed>) = 0 [pid 6472] <... madvise resumed>) = 0 [pid 6471] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6467] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6471] <... futex resumed>) = 1 [pid 6459] <... futex resumed>) = 0 [pid 6471] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6472] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6462] <... futex resumed>) = 0 [pid 6472] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6467] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6466] <... mmap resumed>) = 0x20000000 [pid 6467] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6465] <... mmap resumed>) = 0x20000000 [pid 6463] <... mmap resumed>) = 0x20000000 [pid 6467] <... futex resumed>) = 0 [pid 6465] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] <... mmap resumed>) = 0x20000000 [pid 6463] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6459] exit_group(0 [pid 6467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6464] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] <... futex resumed>) = ? [pid 6465] <... futex resumed>) = ? [pid 6463] <... futex resumed>) = 0 [pid 6460] exit_group(0 [pid 6459] <... exit_group resumed>) = ? [pid 6471] +++ exited with 0 +++ [pid 6470] <... futex resumed>) = ? [pid 6466] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6465] +++ exited with 0 +++ [pid 6464] <... futex resumed>) = 0 [pid 6460] <... exit_group resumed>) = ? [pid 6464] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6463] +++ exited with 0 +++ [pid 6462] exit_group(0 [pid 6472] <... futex resumed>) = ? [pid 6467] <... mmap resumed>) = 0x7fee5fb13000 [pid 6462] <... exit_group resumed>) = ? [pid 6461] exit_group(0 [pid 6467] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6461] <... exit_group resumed>) = ? [pid 6472] +++ exited with 0 +++ [pid 6469] <... futex resumed>) = ? [pid 6466] <... futex resumed>) = ? [pid 6469] +++ exited with 0 +++ [pid 6467] <... mprotect resumed>) = 0 [pid 6467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} => {parent_tid=[6473]}, 88) = 6473 [pid 6467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6467] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6464] <... futex resumed>) = ? [pid 6467] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6473 attached [pid 6473] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6468] <... mmap resumed>) = 0x20000000 [pid 6468] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6473] <... rseq resumed>) = 0 [pid 6468] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6464] +++ exited with 0 +++ [pid 6461] +++ exited with 0 +++ [pid 6473] set_robust_list(0x7fee5fb339a0, 24 [pid 6459] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6459, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6473] <... set_robust_list resumed>) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6461, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5837] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6473] rt_sigprocmask(SIG_SETMASK, [], [pid 6470] +++ exited with 0 +++ [pid 6473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6466] +++ exited with 0 +++ [pid 6462] +++ exited with 0 +++ [pid 6460] +++ exited with 0 +++ [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6473] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 5837] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6460, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5837] <... openat resumed>) = 3 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6462, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./42/binderfs" [pid 6473] <... madvise resumed>) = 0 [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5837] <... unlink resumed>) = 0 [pid 5837] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6473] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... restart_syscall resumed>) = 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 6473] <... futex resumed>) = 1 [pid 6467] <... futex resumed>) = 0 [pid 6473] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6467] exit_group(0 [pid 5840] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6467] <... exit_group resumed>) = ? [pid 6468] <... futex resumed>) = ? [pid 6473] <... futex resumed>) = ? [pid 6468] +++ exited with 0 +++ [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./42/binderfs") = 0 [pid 5840] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = 0 [pid 5836] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... openat resumed>) = 3 [pid 5837] newfstatat(AT_FDCWD, "./42/bus", [pid 5836] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... umount2 resumed>) = 0 [pid 5839] newfstatat(3, "", [pid 5840] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] newfstatat(3, "", [pid 5839] getdents64(3, [pid 5837] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] getdents64(3, [pid 5839] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./42/bus", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./42/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./41/binderfs", [pid 5837] <... openat resumed>) = 4 [pid 5836] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] newfstatat(4, "", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./41/binderfs" [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] newfstatat(AT_FDCWD, "./41/binderfs", [pid 5840] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 5837] getdents64(4, [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] unlink("./41/binderfs" [pid 5840] openat(AT_FDCWD, "./42/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] getdents64(4, [pid 5836] <... unlink resumed>) = 0 [pid 5840] <... openat resumed>) = 4 [pid 5839] <... umount2 resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(4, "", [pid 5837] close(4 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... close resumed>) = 0 [pid 5840] getdents64(4, [pid 5839] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] rmdir("./42/bus" [pid 5836] <... umount2 resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... rmdir resumed>) = 0 [pid 5840] getdents64(4, [pid 5839] newfstatat(AT_FDCWD, "./41/bus", [pid 5837] getdents64(3, [pid 5836] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] close(4) = 0 [pid 5837] close(3 [pid 5836] newfstatat(AT_FDCWD, "./41/bus", [pid 5840] rmdir("./42/bus" [pid 5839] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... close resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] rmdir("./42" [pid 5840] <... rmdir resumed>) = 0 [pid 5839] openat(AT_FDCWD, "./41/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... rmdir resumed>) = 0 [pid 5836] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 4 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6473] +++ exited with 0 +++ [pid 6467] +++ exited with 0 +++ [pid 5840] getdents64(3, [pid 5836] openat(AT_FDCWD, "./41/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] close(3 [pid 5839] newfstatat(4, "", [pid 5837] mkdir("./43", 0777 [pid 5840] <... close resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6467, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5836] <... openat resumed>) = 4 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5839] getdents64(4, [pid 5836] newfstatat(4, "", [pid 5840] rmdir("./42" [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(4, [pid 5836] getdents64(4, [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] close(4 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... close resumed>) = 0 [pid 5836] getdents64(4, [pid 5839] rmdir("./41/bus" [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] mkdir("./43", 0777 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5839] <... rmdir resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] close(4 [pid 5839] getdents64(3, [pid 5836] <... close resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5839] close(3 [pid 5837] <... ioctl resumed>) = 0 [pid 5836] rmdir("./41/bus" [pid 5840] <... openat resumed>) = 3 [pid 5839] <... close resumed>) = 0 [pid 5838] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] close(3 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] rmdir("./41" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... close resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] close(3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] getdents64(3, [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] mkdir("./42", 0777 [pid 5838] getdents64(3, [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6475 attached ./strace-static-x86_64: Process 6474 attached [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] close(3 [pid 6474] set_robust_list(0x55557a9486a0, 24 [pid 5838] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6474] <... set_robust_list resumed>) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6474 [pid 5836] <... close resumed>) = 0 [pid 6474] chdir("./43" [pid 6475] set_robust_list(0x55557a9486a0, 24 [pid 5836] rmdir("./41" [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6475 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5836] <... rmdir resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5839] ioctl(3, LOOP_CLR_FD) = 0 [pid 5836] mkdir("./42", 0777 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6475] <... set_robust_list resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./42/binderfs", [pid 6475] chdir("./43" [pid 6474] <... chdir resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 6475] <... chdir resumed>) = 0 [pid 6474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] close(3 [pid 5838] unlink("./42/binderfs" [pid 6475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6474] <... prctl resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 6474] setpgid(0, 0 [pid 5838] <... unlink resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6475] <... prctl resumed>) = 0 [pid 6474] <... setpgid resumed>) = 0 [pid 6474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... openat resumed>) = 3 [pid 6475] setpgid(0, 0 [pid 6474] <... openat resumed>) = 3 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6475] <... setpgid resumed>) = 0 [pid 6474] write(3, "1000", 4 [pid 6475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6474] <... write resumed>) = 4 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... ioctl resumed>) = 0 [pid 6475] <... openat resumed>) = 3 [pid 6474] close(3 [pid 5836] close(3./strace-static-x86_64: Process 6476 attached [pid 6475] write(3, "1000", 4 [pid 6474] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 6474] symlink("/dev/binderfs", "./binderfs" [pid 6475] <... write resumed>) = 4 [pid 6475] close(3 [pid 6474] <... symlink resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6477 attached [pid 6476] set_robust_list(0x55557a9486a0, 24 [pid 6475] <... close resumed>) = 0 [pid 6474] write(1, "executing program\n", 18executing program [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6476 [pid 6476] <... set_robust_list resumed>) = 0 [pid 6475] symlink("/dev/binderfs", "./binderfs" [pid 6474] <... write resumed>) = 18 [pid 5838] <... umount2 resumed>) = 0 executing program [pid 6477] set_robust_list(0x55557a9486a0, 24 [pid 6476] chdir("./42" [pid 6475] <... symlink resumed>) = 0 [pid 6474] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6477 [pid 6477] <... set_robust_list resumed>) = 0 [pid 6475] write(1, "executing program\n", 18 [pid 6474] <... futex resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6477] chdir("./42" [pid 6475] <... write resumed>) = 18 [pid 6474] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5838] newfstatat(AT_FDCWD, "./42/bus", [pid 6477] <... chdir resumed>) = 0 [pid 6476] <... chdir resumed>) = 0 [pid 6475] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6474] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6475] <... futex resumed>) = 0 [pid 6474] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5838] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6477] <... prctl resumed>) = 0 [pid 6476] <... prctl resumed>) = 0 [pid 6475] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6477] setpgid(0, 0 [pid 6476] setpgid(0, 0 [pid 6475] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5838] openat(AT_FDCWD, "./42/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6477] <... setpgid resumed>) = 0 [pid 6475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6474] <... mmap resumed>) = 0x7fee5fb34000 [pid 6476] <... setpgid resumed>) = 0 [pid 6475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6474] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6475] <... mmap resumed>) = 0x7fee5fb34000 [pid 6474] <... mprotect resumed>) = 0 [pid 5838] <... openat resumed>) = 4 [pid 6477] <... openat resumed>) = 3 [pid 6475] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6474] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] newfstatat(4, "", [pid 6477] write(3, "1000", 4 [pid 6476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6475] <... mprotect resumed>) = 0 [pid 6474] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6477] <... write resumed>) = 4 [pid 6476] <... openat resumed>) = 3 [pid 6475] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6478 attached [pid 6478] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6476] write(3, "1000", 4 [pid 6475] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6474] <... clone3 resumed> => {parent_tid=[6478]}, 88) = 6478 [pid 6475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6474] rt_sigprocmask(SIG_SETMASK, [], [pid 6476] <... write resumed>) = 4 [pid 6474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6477] close(3 [pid 6476] close(3 [pid 6474] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6479 attached [pid 6478] <... rseq resumed>) = 0 [pid 6477] <... close resumed>) = 0 [pid 6476] <... close resumed>) = 0 [pid 6474] <... futex resumed>) = 0 [pid 5838] getdents64(4, [pid 6478] set_robust_list(0x7fee5fb549a0, 24 [pid 6477] symlink("/dev/binderfs", "./binderfs" [pid 6476] symlink("/dev/binderfs", "./binderfs" [pid 6475] <... clone3 resumed> => {parent_tid=[6479]}, 88) = 6479 [pid 6474] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6479] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6478] <... set_robust_list resumed>) = 0 [pid 6477] <... symlink resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6479] <... rseq resumed>) = 0 [pid 6478] rt_sigprocmask(SIG_SETMASK, [], [pid 6477] write(1, "executing program\n", 18 [pid 6476] <... symlink resumed>) = 0 [pid 6475] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] getdents64(4, executing program [pid 6479] set_robust_list(0x7fee5fb549a0, 24 [pid 6478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6477] <... write resumed>) = 18 [pid 6476] write(1, "executing program\n", 18 [pid 6475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6477] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] close(4 executing program [pid 6477] <... futex resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 6479] <... set_robust_list resumed>) = 0 [pid 6478] memfd_create("syzkaller", 0 [pid 6477] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6476] <... write resumed>) = 18 [pid 6475] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] rmdir("./42/bus" [pid 6479] rt_sigprocmask(SIG_SETMASK, [], [pid 6478] <... memfd_create resumed>) = 3 [pid 6477] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6476] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6475] <... futex resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 6479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6477] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6476] <... futex resumed>) = 0 [pid 6475] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5838] getdents64(3, [pid 6479] memfd_create("syzkaller", 0 [pid 6478] <... mmap resumed>) = 0x7fee57600000 [pid 6477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6476] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6479] <... memfd_create resumed>) = 3 [pid 6477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6476] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6479] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6478] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6477] <... mmap resumed>) = 0x7fee5fb34000 [pid 6476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5838] close(3 [pid 6479] <... mmap resumed>) = 0x7fee57600000 [pid 6477] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... close resumed>) = 0 [pid 6477] <... mprotect resumed>) = 0 [pid 6476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5838] rmdir("./42" [pid 6479] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6478] <... write resumed>) = 131072 [pid 6477] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6476] <... mmap resumed>) = 0x7fee5fb34000 [pid 5838] <... rmdir resumed>) = 0 [pid 6479] <... write resumed>) = 131072 [pid 6478] munmap(0x7fee57600000, 138412032 [pid 6477] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6476] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6479] munmap(0x7fee57600000, 138412032 [pid 6478] <... munmap resumed>) = 0 [pid 6477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6476] <... mprotect resumed>) = 0 [pid 5838] mkdir("./43", 0777 [pid 6479] <... munmap resumed>) = 0 [pid 6476] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6478] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 ./strace-static-x86_64: Process 6480 attached [pid 6479] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6476] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 6480] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6479] <... openat resumed>) = 4 [pid 6478] ioctl(4, LOOP_SET_FD, 3 [pid 6477] <... clone3 resumed> => {parent_tid=[6480]}, 88) = 6480 [pid 6476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6480] <... rseq resumed>) = 0 [pid 6479] ioctl(4, LOOP_SET_FD, 3 [pid 6477] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 6481 attached [pid 6480] set_robust_list(0x7fee5fb549a0, 24 [pid 6478] <... ioctl resumed>) = 0 [pid 6477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6481] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6478] close(3 [pid 6477] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6481] <... rseq resumed>) = 0 [pid 6478] <... close resumed>) = 0 [pid 6477] <... futex resumed>) = 0 [pid 6481] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6478] close(4 [pid 6477] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6481] rt_sigprocmask(SIG_SETMASK, [], [pid 6480] <... set_robust_list resumed>) = 0 [pid 6479] <... ioctl resumed>) = 0 [pid 6478] <... close resumed>) = 0 [pid 6476] <... clone3 resumed> => {parent_tid=[6481]}, 88) = 6481 [pid 5838] <... openat resumed>) = 3 [pid 6481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6480] rt_sigprocmask(SIG_SETMASK, [], [pid 6479] close(3 [pid 6476] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] ioctl(3, LOOP_CLR_FD [pid 6481] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6479] <... close resumed>) = 0 [pid 6478] mkdir("./bus", 0777 [pid 6476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 6480] memfd_create("syzkaller", 0 [pid 6479] close(4 [pid 6476] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] close(3 [pid 6481] <... futex resumed>) = 0 [pid 6480] <... memfd_create resumed>) = 3 [pid 6479] <... close resumed>) = 0 [pid 6478] <... mkdir resumed>) = 0 [pid 6476] <... futex resumed>) = 1 [pid 5838] <... close resumed>) = 0 [pid 6481] memfd_create("syzkaller", 0 [pid 6480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6479] mkdir("./bus", 0777 [pid 6478] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6476] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6481] <... memfd_create resumed>) = 3 [pid 6480] <... mmap resumed>) = 0x7fee57600000 [pid 6479] <... mkdir resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6481] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6480] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6481] <... mmap resumed>) = 0x7fee57600000 [pid 6480] <... write resumed>) = 131072 [pid 6478] <... mount resumed>) = 0 ./strace-static-x86_64: Process 6482 attached [pid 6479] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6481] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6480] munmap(0x7fee57600000, 138412032) = 0 [pid 6482] set_robust_list(0x55557a9486a0, 24 [pid 6480] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6478] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6482 [pid 6480] <... openat resumed>) = 4 [pid 6481] <... write resumed>) = 131072 [pid 6480] ioctl(4, LOOP_SET_FD, 3 [pid 6482] <... set_robust_list resumed>) = 0 [pid 6481] munmap(0x7fee57600000, 138412032 [pid 6478] <... openat resumed>) = 3 [pid 6482] chdir("./43" [pid 6481] <... munmap resumed>) = 0 [pid 6478] chdir("./bus" [pid 6481] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6478] <... chdir resumed>) = 0 [pid 6482] <... chdir resumed>) = 0 [pid 6481] <... openat resumed>) = 4 [pid 6479] <... mount resumed>) = 0 [pid 6478] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6482] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6481] ioctl(4, LOOP_SET_FD, 3 [pid 6478] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6479] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 95.705674][ T6478] loop1: detected capacity change from 0 to 256 [ 95.707147][ T6479] loop4: detected capacity change from 0 to 256 [ 95.744044][ T6480] loop0: detected capacity change from 0 to 256 [pid 6479] chdir("./bus") = 0 [pid 6479] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6479] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6475] <... futex resumed>) = 0 [pid 6479] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6475] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] <... openat resumed>) = 4 [pid 6475] <... futex resumed>) = 0 [pid 6479] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6475] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6479] <... futex resumed>) = 0 [pid 6475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6479] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6475] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6475] <... futex resumed>) = 0 [pid 6479] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6475] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6479] <... futex resumed>) = 0 [pid 6475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6479] dup(4 [pid 6475] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] <... dup resumed>) = 5 [pid 6475] <... futex resumed>) = 0 [pid 6479] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6475] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6482] <... prctl resumed>) = 0 [pid 6479] <... futex resumed>) = 0 [pid 6478] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6482] setpgid(0, 0 [pid 6479] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6478] <... futex resumed>) = 1 [pid 6475] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6474] <... futex resumed>) = 0 [pid 6482] <... setpgid resumed>) = 0 [pid 6479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6478] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6475] <... futex resumed>) = 0 [pid 6474] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6480] <... ioctl resumed>) = 0 [pid 6479] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6475] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6474] <... futex resumed>) = 0 [pid 6482] <... openat resumed>) = 3 [pid 6481] <... ioctl resumed>) = 0 [pid 6478] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6482] write(3, "1000", 4) = 4 [pid 6480] close(3 [pid 6478] <... openat resumed>) = 4 [pid 6474] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6481] close(3 [pid 6482] close(3 [pid 6478] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] <... close resumed>) = 0 [pid 6480] <... close resumed>) = 0 [pid 6474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6478] <... futex resumed>) = 0 [pid 6481] <... close resumed>) = 0 [pid 6482] symlink("/dev/binderfs", "./binderfs" [pid 6478] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6481] close(4 [pid 6482] <... symlink resumed>) = 0 [pid 6480] close(4 [pid 6478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6474] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] write(1, "executing program\n", 18 [pid 6481] <... close resumed>) = 0 [pid 6480] <... close resumed>) = 0 [pid 6480] mkdir("./bus", 0777executing program [pid 6482] <... write resumed>) = 18 [pid 6481] mkdir("./bus", 0777 [pid 6480] <... mkdir resumed>) = 0 [pid 6478] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6474] <... futex resumed>) = 0 [pid 6474] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6481] <... mkdir resumed>) = 0 [pid 6480] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6478] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6481] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6478] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6482] <... futex resumed>) = 0 [pid 6478] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6474] <... futex resumed>) = 0 [pid 6482] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6474] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6478] <... futex resumed>) = 0 [pid 6474] <... futex resumed>) = 1 [pid 6478] dup(4) = 5 [pid 6474] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6478] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6478] <... futex resumed>) = 0 [pid 6474] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6478] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6474] <... futex resumed>) = 0 [pid 6482] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6481] <... mount resumed>) = 0 [pid 6474] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6482] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6481] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6481] <... openat resumed>) = 3 [pid 6482] <... mmap resumed>) = 0x7fee5fb34000 [pid 6481] chdir("./bus" [pid 6482] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6481] <... chdir resumed>) = 0 [pid 6482] <... mprotect resumed>) = 0 [ 95.756725][ T6481] loop3: detected capacity change from 0 to 256 [pid 6481] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6482] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6481] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6480] <... mount resumed>) = 0 [pid 6481] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6481] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6480] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6476] <... futex resumed>) = 0 [pid 6476] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6481] <... futex resumed>) = 0 [pid 6480] <... openat resumed>) = 3 [pid 6476] <... futex resumed>) = 1 [pid 6475] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6475] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6476] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6480] chdir("./bus") = 0 [pid 6480] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6481] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME) = 4 [pid 6480] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6480] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6477] <... futex resumed>) = 0 [pid 6482] <... clone3 resumed> => {parent_tid=[6483]}, 88) = 6483 [pid 6481] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] rt_sigprocmask(SIG_SETMASK, [], [pid 6477] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6480] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6477] <... futex resumed>) = 0 [pid 6481] <... futex resumed>) = 1 [pid 6476] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6483 attached [pid 6482] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6481] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6480] <... openat resumed>) = 4 [pid 6477] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6476] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] <... futex resumed>) = 0 [pid 6481] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... futex resumed>) = 0 [pid 6482] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6481] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6481] <... futex resumed>) = 0 [pid 6476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6481] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6476] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6480] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] <... futex resumed>) = 0 [pid 6483] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6481] dup(4 [pid 6480] <... futex resumed>) = 1 [pid 6476] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6483] <... rseq resumed>) = 0 [pid 6481] <... dup resumed>) = 5 [pid 6480] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6483] set_robust_list(0x7fee5fb549a0, 24 [pid 6481] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6483] <... set_robust_list resumed>) = 0 [pid 6481] <... futex resumed>) = 1 [pid 6477] <... futex resumed>) = 0 [pid 6476] <... futex resumed>) = 0 [pid 6475] <... mmap resumed>) = 0x7fee5fb13000 [pid 6483] rt_sigprocmask(SIG_SETMASK, [], [pid 6481] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6477] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6483] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6480] <... futex resumed>) = 0 [pid 6477] <... futex resumed>) = 1 [pid 6476] <... futex resumed>) = 0 [pid 6475] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6483] memfd_create("syzkaller", 0 [pid 6481] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6480] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6477] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6476] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6475] <... mprotect resumed>) = 0 [pid 6483] <... memfd_create resumed>) = 3 [pid 6480] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6475] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6483] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6480] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6475] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6483] <... mmap resumed>) = 0x7fee57600000 [pid 6480] <... futex resumed>) = 1 [pid 6477] <... futex resumed>) = 0 [pid 6475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6483] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6480] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6477] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6484 attached [pid 6480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6477] <... futex resumed>) = 0 [pid 6484] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6480] dup(4 [pid 6475] <... clone3 resumed> => {parent_tid=[6484]}, 88) = 6484 [pid 6484] <... rseq resumed>) = 0 [pid 6480] <... dup resumed>) = 5 [pid 6477] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6475] rt_sigprocmask(SIG_SETMASK, [], [pid 6484] set_robust_list(0x7fee5fb339a0, 24 [pid 6483] <... write resumed>) = 131072 [pid 6480] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6484] <... set_robust_list resumed>) = 0 [pid 6480] <... futex resumed>) = 0 [pid 6477] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6475] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6484] rt_sigprocmask(SIG_SETMASK, [], [pid 6480] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6477] <... futex resumed>) = 0 [pid 6475] <... futex resumed>) = 0 [pid 6484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6483] munmap(0x7fee57600000, 138412032 [pid 6474] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6484] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6483] <... munmap resumed>) = 0 [pid 6477] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6475] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6474] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6483] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6474] <... futex resumed>) = 0 [pid 6483] <... openat resumed>) = 4 [pid 6474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6484] <... madvise resumed>) = 0 [pid 6483] ioctl(4, LOOP_SET_FD, 3 [pid 6474] <... mmap resumed>) = 0x7fee5fb13000 [pid 6474] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6484] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6474] <... mprotect resumed>) = 0 [pid 6484] <... futex resumed>) = 1 [pid 6475] <... futex resumed>) = 0 [pid 6474] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6484] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6474] <... clone3 resumed> => {parent_tid=[6485]}, 88) = 6485 ./strace-static-x86_64: Process 6485 attached [pid 6474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6474] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6474] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6485] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053) = 0 [pid 6485] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6485] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6483] <... ioctl resumed>) = 0 [pid 6483] close(3) = 0 [pid 6483] close(4) = 0 [pid 6483] mkdir("./bus", 0777 [pid 6485] <... madvise resumed>) = 0 [pid 6483] <... mkdir resumed>) = 0 [pid 6483] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6485] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6474] <... futex resumed>) = 0 [pid 6485] <... futex resumed>) = 1 [pid 6485] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6476] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6476] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6483] <... mount resumed>) = 0 [pid 6476] <... futex resumed>) = 0 [pid 6476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6483] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6483] chdir("./bus" [pid 6476] <... mmap resumed>) = 0x7fee5fb13000 [pid 6483] <... chdir resumed>) = 0 [pid 6483] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6476] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6483] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] <... mprotect resumed>) = 0 [pid 6476] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6483] <... futex resumed>) = 1 [pid 6482] <... futex resumed>) = 0 [pid 6477] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6477] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6482] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] <... futex resumed>) = 0 [pid 6482] <... futex resumed>) = 0 [pid 6477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6483] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6482] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6477] <... mmap resumed>) = 0x7fee5fb13000 [pid 6483] <... openat resumed>) = 4 [pid 6477] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6483] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6486 attached [pid 6483] <... futex resumed>) = 1 [pid 6482] <... futex resumed>) = 0 [pid 6477] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6486] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6483] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6482] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6486] <... rseq resumed>) = 0 [pid 6483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6482] <... futex resumed>) = 0 [pid 6477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6476] <... clone3 resumed> => {parent_tid=[6486]}, 88) = 6486 ./strace-static-x86_64: Process 6487 attached [pid 6486] set_robust_list(0x7fee5fb339a0, 24 [pid 6483] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6482] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6476] rt_sigprocmask(SIG_SETMASK, [], [pid 6487] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6486] <... set_robust_list resumed>) = 0 [ 95.878840][ T6483] loop2: detected capacity change from 0 to 256 [pid 6483] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] <... clone3 resumed> => {parent_tid=[6487]}, 88) = 6487 [pid 6487] <... rseq resumed>) = 0 [pid 6486] rt_sigprocmask(SIG_SETMASK, [], [pid 6483] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] rt_sigprocmask(SIG_SETMASK, [], [pid 6476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6487] set_robust_list(0x7fee5fb339a0, 24 [pid 6486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6483] <... futex resumed>) = 1 [pid 6482] <... futex resumed>) = 0 [pid 6477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6476] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6487] <... set_robust_list resumed>) = 0 [pid 6486] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6483] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6482] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] <... futex resumed>) = 0 [pid 6487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6482] <... futex resumed>) = 0 [pid 6477] <... futex resumed>) = 0 [pid 6487] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6482] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6477] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6483] dup(4 [pid 6486] <... madvise resumed>) = 0 [pid 6483] <... dup resumed>) = 5 [pid 6483] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6483] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6482] <... futex resumed>) = 0 [pid 6482] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6483] <... futex resumed>) = 0 [pid 6482] <... futex resumed>) = 1 [pid 6483] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6482] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6476] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6486] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6487] <... madvise resumed>) = 0 [pid 6486] <... futex resumed>) = 1 [pid 6476] <... futex resumed>) = 0 [pid 6486] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6487] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6477] <... futex resumed>) = 0 [pid 6487] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6482] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6482] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6482] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6482] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6488 attached => {parent_tid=[6488]}, 88) = 6488 [pid 6488] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6482] rt_sigprocmask(SIG_SETMASK, [], [pid 6488] <... rseq resumed>) = 0 [pid 6482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6488] set_robust_list(0x7fee5fb339a0, 24 [pid 6482] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6488] <... set_robust_list resumed>) = 0 [pid 6482] <... futex resumed>) = 0 [pid 6488] rt_sigprocmask(SIG_SETMASK, [], [pid 6482] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6488] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6483] <... mmap resumed>) = 0x20000000 [pid 6481] <... mmap resumed>) = 0x20000000 [pid 6479] <... mmap resumed>) = 0x20000000 [pid 6481] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6480] <... mmap resumed>) = 0x20000000 [pid 6479] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6475] exit_group(0 [pid 6488] <... madvise resumed>) = 0 [pid 6484] <... futex resumed>) = ? [pid 6483] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6481] <... futex resumed>) = 0 [pid 6480] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] <... futex resumed>) = ? [pid 6478] <... mmap resumed>) = 0x20000000 [pid 6475] <... exit_group resumed>) = ? [pid 6488] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6484] +++ exited with 0 +++ [pid 6483] <... futex resumed>) = 0 [pid 6481] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6480] <... futex resumed>) = 0 [pid 6479] +++ exited with 0 +++ [pid 6478] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6488] <... futex resumed>) = 1 [pid 6483] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6482] <... futex resumed>) = 0 [pid 6480] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6478] <... futex resumed>) = 0 [pid 6477] exit_group(0 [pid 6476] exit_group(0 [pid 6488] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6487] <... futex resumed>) = ? [pid 6486] <... futex resumed>) = ? [pid 6482] exit_group(0 [pid 6481] <... futex resumed>) = ? [pid 6480] <... futex resumed>) = ? [pid 6478] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6477] <... exit_group resumed>) = ? [pid 6476] <... exit_group resumed>) = ? [pid 6474] exit_group(0 [pid 6488] <... futex resumed>) = ? [pid 6487] +++ exited with 0 +++ [pid 6486] +++ exited with 0 +++ [pid 6485] <... futex resumed>) = ? [pid 6483] <... futex resumed>) = ? [pid 6482] <... exit_group resumed>) = ? [pid 6481] +++ exited with 0 +++ [pid 6480] +++ exited with 0 +++ [pid 6478] <... futex resumed>) = ? [pid 6477] +++ exited with 0 +++ [pid 6476] +++ exited with 0 +++ [pid 6475] +++ exited with 0 +++ [pid 6474] <... exit_group resumed>) = ? [pid 6488] +++ exited with 0 +++ [pid 6485] +++ exited with 0 +++ [pid 6483] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6475, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6478] +++ exited with 0 +++ [pid 6482] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6476, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6482, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6477, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5838] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5839] <... restart_syscall resumed>) = 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 5839] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... openat resumed>) = 3 [pid 5836] <... openat resumed>) = 3 [pid 5840] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] newfstatat(3, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(3, "", [pid 5840] newfstatat(3, "", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] <... openat resumed>) = 3 [pid 5836] getdents64(3, [pid 5840] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] newfstatat(AT_FDCWD, "./43/binderfs", [pid 5839] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(3, "", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] unlink("./43/binderfs") = 0 [pid 5839] newfstatat(AT_FDCWD, "./42/binderfs", [pid 5838] getdents64(3, [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] newfstatat(AT_FDCWD, "./42/binderfs", [pid 5839] unlink("./42/binderfs" [pid 5838] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] unlink("./42/binderfs" [pid 5838] newfstatat(AT_FDCWD, "./43/binderfs", [pid 5836] <... unlink resumed>) = 0 [pid 5839] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./43/binderfs") = 0 [pid 5836] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = 0 [pid 5839] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = 0 [pid 5836] <... umount2 resumed>) = 0 [pid 5840] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./42/bus", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(AT_FDCWD, "./43/bus", [pid 5839] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./42/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] newfstatat(AT_FDCWD, "./43/bus", [pid 5836] newfstatat(AT_FDCWD, "./42/bus", [pid 5840] openat(AT_FDCWD, "./43/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... openat resumed>) = 4 [pid 5840] <... openat resumed>) = 4 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] getdents64(4, [pid 5836] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(4, "", [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] getdents64(4, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] close(4 [pid 5838] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... close resumed>) = 0 [pid 5840] rmdir("./43/bus" [pid 5839] getdents64(4, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] openat(AT_FDCWD, "./43/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] openat(AT_FDCWD, "./42/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... rmdir resumed>) = 0 [pid 5840] getdents64(3, [pid 5839] getdents64(4, [pid 5838] <... openat resumed>) = 4 [pid 5836] <... openat resumed>) = 4 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] close(3 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] newfstatat(4, "", [pid 5836] newfstatat(4, "", [pid 5840] <... close resumed>) = 0 [pid 5839] close(4 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] rmdir("./43" [pid 5839] <... close resumed>) = 0 [pid 5838] getdents64(4, [pid 5836] getdents64(4, [pid 5840] <... rmdir resumed>) = 0 [pid 5839] rmdir("./42/bus" [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] mkdir("./44", 0777 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] getdents64(4, [pid 5836] getdents64(4, [pid 5839] getdents64(3, [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] close(4 [pid 5836] close(4 [pid 6474] +++ exited with 0 +++ [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] close(3 [pid 5838] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5839] <... close resumed>) = 0 [pid 5838] rmdir("./43/bus" [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6474, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5839] rmdir("./42" [pid 5836] rmdir("./42/bus" [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5836] <... rmdir resumed>) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5840] close(3 [pid 5837] <... restart_syscall resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5838] getdents64(3, 0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] close(3) = 0 [pid 5837] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] rmdir("./43" [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... rmdir resumed>) = 0 [pid 5837] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6489 attached [pid 5839] mkdir("./43", 0777 [pid 5837] <... openat resumed>) = 3 [pid 5836] getdents64(3, [pid 6489] set_robust_list(0x55557a9486a0, 24 [pid 5838] mkdir("./44", 0777 [pid 5837] newfstatat(3, "", [pid 6489] <... set_robust_list resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6489 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6489] chdir("./44" [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5836] close(3 [pid 5839] <... openat resumed>) = 3 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] getdents64(3, [pid 5836] <... close resumed>) = 0 [pid 6489] <... chdir resumed>) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] <... openat resumed>) = 3 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] rmdir("./42" [pid 6489] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5837] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6489] <... prctl resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... rmdir resumed>) = 0 [pid 6489] setpgid(0, 0 [pid 5838] close(3 [pid 5837] newfstatat(AT_FDCWD, "./43/binderfs", [pid 5836] mkdir("./43", 0777 [pid 6489] <... setpgid resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] <... ioctl resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 6489] <... openat resumed>) = 3 [pid 5839] close(3 [pid 5837] unlink("./43/binderfs" [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6489] write(3, "1000", 4 [pid 5837] <... unlink resumed>) = 0 [pid 6489] <... write resumed>) = 4 [pid 6489] close(3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6490 attached [pid 6489] <... close resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 6489] symlink("/dev/binderfs", "./binderfs" [pid 6490] set_robust_list(0x55557a9486a0, 24 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6490] <... set_robust_list resumed>) = 0 [pid 5836] <... ioctl resumed>) = 0 [pid 6490] chdir("./44" [pid 6489] <... symlink resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6490 [pid 5837] <... umount2 resumed>) = 0 [pid 5836] close(3 executing program [pid 6490] <... chdir resumed>) = 0 [pid 6489] write(1, "executing program\n", 18 [pid 5837] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... close resumed>) = 0 ./strace-static-x86_64: Process 6491 attached [pid 6490] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6489] <... write resumed>) = 18 [pid 6491] set_robust_list(0x55557a9486a0, 24 [pid 6490] <... prctl resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6490] setpgid(0, 0 [pid 5837] newfstatat(AT_FDCWD, "./43/bus", [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6491] <... set_robust_list resumed>) = 0 [pid 6490] <... setpgid resumed>) = 0 [pid 6489] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6492 attached [pid 6491] chdir("./43" [pid 5837] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6491] <... chdir resumed>) = 0 [pid 6490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6489] <... futex resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6490] <... openat resumed>) = 3 [pid 6489] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6491 [pid 6489] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5837] openat(AT_FDCWD, "./43/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6492] set_robust_list(0x55557a9486a0, 24 [pid 6491] <... prctl resumed>) = 0 [pid 6490] write(3, "1000", 4 [pid 6489] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5837] <... openat resumed>) = 4 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6492 [pid 6492] <... set_robust_list resumed>) = 0 [pid 6491] setpgid(0, 0 [pid 6490] <... write resumed>) = 4 [pid 6492] chdir("./43" [pid 6491] <... setpgid resumed>) = 0 [pid 6490] close(3 [pid 6489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] newfstatat(4, "", [pid 6492] <... chdir resumed>) = 0 [pid 6491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6490] <... close resumed>) = 0 [pid 6489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6490] symlink("/dev/binderfs", "./binderfs" [pid 6489] <... mmap resumed>) = 0x7fee5fb34000 [pid 6491] <... openat resumed>) = 3 [pid 6490] <... symlink resumed>) = 0 [pid 6492] <... prctl resumed>) = 0 [pid 6489] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5837] getdents64(4, [pid 6492] setpgid(0, 0 [pid 6491] write(3, "1000", 4 [pid 6490] write(1, "executing program\n", 18 [pid 6489] <... mprotect resumed>) = 0 executing program [pid 6492] <... setpgid resumed>) = 0 [pid 6489] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6490] <... write resumed>) = 18 [pid 5837] getdents64(4, [pid 6492] <... openat resumed>) = 3 [pid 6491] <... write resumed>) = 4 [pid 6490] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6489] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6491] close(3 [pid 6490] <... futex resumed>) = 0 [pid 6491] <... close resumed>) = 0 [pid 6492] write(3, "1000", 4 [pid 6491] symlink("/dev/binderfs", "./binderfs" [pid 6490] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6493 attached [pid 6492] <... write resumed>) = 4 [pid 6491] <... symlink resumed>) = 0 [pid 6490] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5837] close(4 [pid 6493] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6489] <... clone3 resumed> => {parent_tid=[6493]}, 88) = 6493 [pid 5837] <... close resumed>) = 0 [pid 6493] <... rseq resumed>) = 0 [pid 6489] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] rmdir("./43/bus" [pid 6493] set_robust_list(0x7fee5fb549a0, 24 [pid 6492] close(3 [pid 6491] write(1, "executing program\n", 18 [pid 6490] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6489] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5837] <... rmdir resumed>) = 0 [pid 6493] <... set_robust_list resumed>) = 0 [pid 6492] <... close resumed>) = 0 [pid 6491] <... write resumed>) = 18 [pid 6490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6489] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6493] rt_sigprocmask(SIG_SETMASK, [], [pid 6492] symlink("/dev/binderfs", "./binderfs" [pid 6491] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6489] <... futex resumed>) = 0 [pid 5837] getdents64(3, [pid 6493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6492] <... symlink resumed>) = 0 [pid 6491] <... futex resumed>) = 0 [pid 6490] <... mmap resumed>) = 0x7fee5fb34000 [pid 6489] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} executing program [pid 6493] memfd_create("syzkaller", 0 [pid 6492] write(1, "executing program\n", 18 [pid 6491] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6490] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6493] <... memfd_create resumed>) = 3 [pid 6492] <... write resumed>) = 18 [pid 6491] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6490] <... mprotect resumed>) = 0 [pid 5837] close(3 [pid 6493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6492] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6490] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6493] <... mmap resumed>) = 0x7fee57600000 [pid 6492] <... futex resumed>) = 0 [pid 6491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6490] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] <... close resumed>) = 0 [pid 6493] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 5837] rmdir("./43" [pid 6492] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6490] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] <... rmdir resumed>) = 0 [pid 6491] <... mmap resumed>) = 0x7fee5fb34000 [pid 6493] <... write resumed>) = 131072 [pid 5837] mkdir("./44", 0777) = 0 ./strace-static-x86_64: Process 6494 attached [pid 6493] munmap(0x7fee57600000, 138412032 [pid 6492] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6491] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6494] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6494] <... rseq resumed>) = 0 [pid 6492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6491] <... mprotect resumed>) = 0 [pid 6490] <... clone3 resumed> => {parent_tid=[6494]}, 88) = 6494 [pid 6494] set_robust_list(0x7fee5fb549a0, 24 [pid 6492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6490] rt_sigprocmask(SIG_SETMASK, [], [pid 6494] <... set_robust_list resumed>) = 0 [pid 6492] <... mmap resumed>) = 0x7fee5fb34000 [pid 6491] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6494] rt_sigprocmask(SIG_SETMASK, [], [pid 6493] <... munmap resumed>) = 0 [pid 6492] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6490] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6492] <... mprotect resumed>) = 0 [pid 6491] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6490] <... futex resumed>) = 0 [pid 6494] memfd_create("syzkaller", 0 [pid 6493] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6492] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6495 attached [pid 6494] <... memfd_create resumed>) = 3 [pid 6493] <... openat resumed>) = 4 [pid 6492] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6490] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6495] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6493] ioctl(4, LOOP_SET_FD, 3 [pid 6495] <... rseq resumed>) = 0 [pid 6495] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6495] rt_sigprocmask(SIG_SETMASK, [], [pid 6494] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6491] <... clone3 resumed> => {parent_tid=[6495]}, 88) = 6495 [pid 6494] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6491] rt_sigprocmask(SIG_SETMASK, [], [pid 6492] <... clone3 resumed> => {parent_tid=[6496]}, 88) = 6496 [pid 6491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6492] rt_sigprocmask(SIG_SETMASK, [], [pid 6491] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6491] <... futex resumed>) = 0 [pid 6492] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6491] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6496 attached [pid 6495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6492] <... futex resumed>) = 0 [pid 6496] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6495] memfd_create("syzkaller", 0 [pid 6493] <... ioctl resumed>) = 0 [pid 6492] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6496] <... rseq resumed>) = 0 [pid 6495] <... memfd_create resumed>) = 3 [pid 6493] close(3 [pid 5837] <... ioctl resumed>) = 0 [pid 6496] set_robust_list(0x7fee5fb549a0, 24 [pid 6495] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6494] <... write resumed>) = 131072 [pid 6493] <... close resumed>) = 0 [pid 5837] close(3 [pid 6496] <... set_robust_list resumed>) = 0 [pid 6495] <... mmap resumed>) = 0x7fee57600000 [pid 6493] close(4 [pid 6496] rt_sigprocmask(SIG_SETMASK, [], [pid 6495] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6494] munmap(0x7fee57600000, 138412032 [pid 6493] <... close resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 6496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6493] mkdir("./bus", 0777 [pid 6496] memfd_create("syzkaller", 0 [pid 6495] <... write resumed>) = 131072 [pid 6494] <... munmap resumed>) = 0 [pid 6493] <... mkdir resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6496] <... memfd_create resumed>) = 3 [pid 6495] munmap(0x7fee57600000, 138412032 [pid 6493] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6496] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6494] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6494] ioctl(4, LOOP_SET_FD, 3 [pid 6496] <... mmap resumed>) = 0x7fee57600000 [pid 6495] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6497 attached [pid 6496] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6495] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6494] <... ioctl resumed>) = 0 [pid 6495] <... openat resumed>) = 4 [pid 6495] ioctl(4, LOOP_SET_FD, 3 [pid 6494] close(3 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6497 [pid 6497] set_robust_list(0x55557a9486a0, 24 [pid 6496] <... write resumed>) = 131072 [pid 6497] <... set_robust_list resumed>) = 0 [pid 6495] <... ioctl resumed>) = 0 [pid 6494] <... close resumed>) = 0 [pid 6493] <... mount resumed>) = 0 [pid 6497] chdir("./44" [pid 6493] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6493] chdir("./bus") = 0 [pid 6493] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6493] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6496] munmap(0x7fee57600000, 138412032 [pid 6497] <... chdir resumed>) = 0 [pid 6493] <... futex resumed>) = 1 [pid 6493] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6489] <... futex resumed>) = 0 [pid 6496] <... munmap resumed>) = 0 [pid 6489] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6494] close(4 [pid 6497] <... prctl resumed>) = 0 [pid 6496] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6494] <... close resumed>) = 0 [pid 6493] <... futex resumed>) = 0 [pid 6489] <... futex resumed>) = 1 [pid 6497] setpgid(0, 0 [pid 6496] <... openat resumed>) = 4 [pid 6494] mkdir("./bus", 0777 [pid 6497] <... setpgid resumed>) = 0 [pid 6493] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [ 96.223648][ T6493] loop4: detected capacity change from 0 to 256 [ 96.248549][ T6494] loop2: detected capacity change from 0 to 256 [ 96.263423][ T6495] loop3: detected capacity change from 0 to 256 [pid 6489] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6496] ioctl(4, LOOP_SET_FD, 3 [pid 6494] <... mkdir resumed>) = 0 [pid 6493] <... openat resumed>) = 4 [pid 6493] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] <... openat resumed>) = 3 [pid 6493] <... futex resumed>) = 1 [pid 6489] <... futex resumed>) = 0 [pid 6493] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6489] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6493] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6489] <... futex resumed>) = 0 [pid 6489] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6493] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6489] <... futex resumed>) = 0 [pid 6489] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6493] dup(4 [pid 6489] <... futex resumed>) = 0 [pid 6493] <... dup resumed>) = 5 [pid 6489] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6493] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6489] <... futex resumed>) = 0 [pid 6489] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6489] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6497] write(3, "1000", 4 [pid 6494] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6493] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6497] <... write resumed>) = 4 [pid 6496] <... ioctl resumed>) = 0 [pid 6495] close(3 [pid 6497] close(3 [pid 6495] <... close resumed>) = 0 [pid 6496] close(3 [pid 6497] <... close resumed>) = 0 [pid 6495] close(4) = 0 [pid 6497] symlink("/dev/binderfs", "./binderfs" [pid 6496] <... close resumed>) = 0 [pid 6497] <... symlink resumed>) = 0 [pid 6496] close(4 executing program [pid 6495] mkdir("./bus", 0777 [pid 6497] write(1, "executing program\n", 18 [pid 6496] <... close resumed>) = 0 [pid 6497] <... write resumed>) = 18 [pid 6496] mkdir("./bus", 0777 [pid 6495] <... mkdir resumed>) = 0 [pid 6494] <... mount resumed>) = 0 [pid 6497] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6494] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6497] <... futex resumed>) = 0 [pid 6496] <... mkdir resumed>) = 0 [pid 6495] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6494] <... openat resumed>) = 3 [pid 6494] chdir("./bus") = 0 [pid 6494] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6494] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6494] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6490] <... futex resumed>) = 0 [pid 6490] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6490] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6497] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6496] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6494] <... futex resumed>) = 0 [pid 6494] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6497] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6494] <... openat resumed>) = 4 [pid 6494] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6490] <... futex resumed>) = 0 [pid 6494] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6490] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] <... mount resumed>) = 0 [pid 6494] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] <... futex resumed>) = 0 [pid 6495] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6494] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6490] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6497] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6495] <... openat resumed>) = 3 [pid 6494] <... futex resumed>) = 0 [pid 6490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6494] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6490] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6495] chdir("./bus" [pid 6494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6490] <... futex resumed>) = 0 [pid 6497] <... mmap resumed>) = 0x7fee5fb34000 [pid 6495] <... chdir resumed>) = 0 [pid 6494] dup(4 [pid 6490] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6497] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6495] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6494] <... dup resumed>) = 5 [pid 6497] <... mprotect resumed>) = 0 [pid 6496] <... mount resumed>) = 0 [pid 6495] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6494] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6496] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6495] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6496] <... openat resumed>) = 3 [pid 6494] <... futex resumed>) = 1 [pid 6490] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6498 attached [pid 6495] <... futex resumed>) = 1 [pid 6496] chdir("./bus" [pid 6491] <... futex resumed>) = 0 [pid 6495] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6491] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6490] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6496] <... chdir resumed>) = 0 [pid 6495] <... openat resumed>) = 4 [pid 6494] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6491] <... futex resumed>) = 0 [pid 6490] <... futex resumed>) = 0 [pid 6489] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6498] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6497] <... clone3 resumed> => {parent_tid=[6498]}, 88) = 6498 [pid 6496] openat(AT_FDCWD, "/dev/loop0", O_RDWR [ 96.286995][ T6496] loop0: detected capacity change from 0 to 256 [pid 6497] rt_sigprocmask(SIG_SETMASK, [], [pid 6498] <... rseq resumed>) = 0 [pid 6497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6496] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6491] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6490] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6489] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6489] <... futex resumed>) = 0 [pid 6498] set_robust_list(0x7fee5fb549a0, 24 [pid 6497] <... futex resumed>) = 0 [pid 6496] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] <... futex resumed>) = 0 [pid 6491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6498] <... set_robust_list resumed>) = 0 [pid 6497] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6496] <... futex resumed>) = 1 [pid 6495] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6492] <... futex resumed>) = 0 [pid 6491] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6489] <... mmap resumed>) = 0x7fee5fb13000 [pid 6498] rt_sigprocmask(SIG_SETMASK, [], [pid 6495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6492] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6491] <... futex resumed>) = 0 [pid 6489] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6496] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6495] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6492] <... futex resumed>) = 0 [pid 6491] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6489] <... mprotect resumed>) = 0 [pid 6498] memfd_create("syzkaller", 0 [pid 6496] <... openat resumed>) = 4 [pid 6495] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6492] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6498] <... memfd_create resumed>) = 3 [pid 6496] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6489] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6498] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6496] <... futex resumed>) = 0 [pid 6495] <... futex resumed>) = 0 [pid 6492] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6491] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6489] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6498] <... mmap resumed>) = 0x7fee57600000 [pid 6496] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6495] dup(4 [pid 6492] <... futex resumed>) = 0 [pid 6491] <... futex resumed>) = 0 [pid 6489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6499 attached [pid 6498] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6496] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6495] <... dup resumed>) = 5 [pid 6492] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6491] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6496] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6496] <... futex resumed>) = 0 [pid 6495] <... futex resumed>) = 0 [pid 6492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6489] <... clone3 resumed> => {parent_tid=[6499]}, 88) = 6499 [pid 6496] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6495] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6492] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6491] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] <... write resumed>) = 131072 [pid 6499] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6492] <... futex resumed>) = 0 [pid 6491] <... futex resumed>) = 0 [pid 6489] rt_sigprocmask(SIG_SETMASK, [], [pid 6499] <... rseq resumed>) = 0 [pid 6498] munmap(0x7fee57600000, 138412032 [pid 6496] dup(4 [pid 6492] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6491] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6499] set_robust_list(0x7fee5fb339a0, 24 [pid 6498] <... munmap resumed>) = 0 [pid 6496] <... dup resumed>) = 5 [pid 6489] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6499] <... set_robust_list resumed>) = 0 [pid 6496] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6489] <... futex resumed>) = 0 [pid 6499] rt_sigprocmask(SIG_SETMASK, [], [pid 6492] <... futex resumed>) = 0 [pid 6489] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6496] <... futex resumed>) = 1 [pid 6492] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6499] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6492] <... futex resumed>) = 0 [pid 6496] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6492] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6498] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6498] ioctl(4, LOOP_SET_FD, 3 [pid 6490] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6490] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] <... ioctl resumed>) = 0 [pid 6498] close(3) = 0 [pid 6498] close(4) = 0 [pid 6490] <... futex resumed>) = 0 [pid 6498] mkdir("./bus", 0777 [pid 6499] <... madvise resumed>) = 0 [pid 6498] <... mkdir resumed>) = 0 [pid 6490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6490] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6499] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6490] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6499] <... futex resumed>) = 1 [pid 6490] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6489] <... futex resumed>) = 0 [pid 6499] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6490] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6500 attached => {parent_tid=[6500]}, 88) = 6500 [pid 6490] rt_sigprocmask(SIG_SETMASK, [], [pid 6498] <... mount resumed>) = 0 [pid 6490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6498] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6490] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6500] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6498] <... openat resumed>) = 3 [pid 6500] <... rseq resumed>) = 0 [pid 6498] chdir("./bus" [pid 6490] <... futex resumed>) = 0 [pid 6500] set_robust_list(0x7fee5fb339a0, 24 [pid 6498] <... chdir resumed>) = 0 [pid 6490] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6500] <... set_robust_list resumed>) = 0 [pid 6500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6498] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6500] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6498] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6491] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6498] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6491] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6498] <... futex resumed>) = 1 [pid 6497] <... futex resumed>) = 0 [pid 6491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6498] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6497] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6497] <... futex resumed>) = 0 [pid 6492] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6491] <... mmap resumed>) = 0x7fee5fb13000 [pid 6497] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6491] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6498] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME) = 4 [pid 6498] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6500] <... madvise resumed>) = 0 [pid 6498] <... futex resumed>) = 1 [pid 6497] <... futex resumed>) = 0 [pid 6492] <... futex resumed>) = 0 [pid 6491] <... mprotect resumed>) = 0 [pid 6497] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6491] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6497] <... futex resumed>) = 0 [pid 6491] <... rt_sigprocmask resumed>[], 8) = 0 [ 96.395837][ T6498] loop1: detected capacity change from 0 to 256 [pid 6498] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6497] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6492] <... mmap resumed>) = 0x7fee5fb13000 [pid 6498] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6501 attached [pid 6500] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6500] <... futex resumed>) = 1 [pid 6498] <... futex resumed>) = 1 [pid 6497] <... futex resumed>) = 0 [pid 6490] <... futex resumed>) = 0 [pid 6501] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6500] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6498] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6497] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] <... mprotect resumed>) = 0 [pid 6491] <... clone3 resumed> => {parent_tid=[6501]}, 88) = 6501 [pid 6501] <... rseq resumed>) = 0 [pid 6498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6497] <... futex resumed>) = 0 [pid 6501] set_robust_list(0x7fee5fb339a0, 24 [pid 6498] dup(4 [pid 6497] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6501] <... set_robust_list resumed>) = 0 [pid 6498] <... dup resumed>) = 5 [pid 6491] rt_sigprocmask(SIG_SETMASK, [], [pid 6501] rt_sigprocmask(SIG_SETMASK, [], [pid 6492] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6498] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6501] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6498] <... futex resumed>) = 1 [pid 6497] <... futex resumed>) = 0 [pid 6492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6491] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6497] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6491] <... futex resumed>) = 0 [pid 6497] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6502 attached [pid 6497] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6491] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6501] <... madvise resumed>) = 0 [pid 6501] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] <... clone3 resumed> => {parent_tid=[6502]}, 88) = 6502 [pid 6502] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6501] <... futex resumed>) = 1 [pid 6491] <... futex resumed>) = 0 [pid 6501] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6502] <... rseq resumed>) = 0 [pid 6492] rt_sigprocmask(SIG_SETMASK, [], [pid 6502] set_robust_list(0x7fee5fb339a0, 24 [pid 6492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6492] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6502] <... set_robust_list resumed>) = 0 [pid 6492] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6502] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6502] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6492] <... futex resumed>) = 0 [pid 6502] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6497] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6497] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6497] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6497] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6494] <... mmap resumed>) = 0x20000000 ./strace-static-x86_64: Process 6503 attached [pid 6498] <... mmap resumed>) = 0x20000000 [pid 6496] <... mmap resumed>) = 0x20000000 [pid 6495] <... mmap resumed>) = 0x20000000 [pid 6494] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6493] <... mmap resumed>) = 0x20000000 [pid 6503] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6498] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] <... clone3 resumed> => {parent_tid=[6503]}, 88) = 6503 [pid 6496] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6494] <... futex resumed>) = 0 [pid 6493] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6490] exit_group(0 [pid 6503] <... rseq resumed>) = 0 [pid 6500] <... futex resumed>) = ? [pid 6498] <... futex resumed>) = 0 [pid 6497] rt_sigprocmask(SIG_SETMASK, [], [pid 6496] <... futex resumed>) = 0 [pid 6495] <... futex resumed>) = 0 [pid 6493] <... futex resumed>) = 0 [pid 6490] <... exit_group resumed>) = ? [pid 6503] set_robust_list(0x7fee5fb339a0, 24 [pid 6500] +++ exited with 0 +++ [pid 6498] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6496] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6495] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6494] +++ exited with 0 +++ [pid 6493] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6492] exit_group(0 [pid 6503] <... set_robust_list resumed>) = 0 [pid 6502] <... futex resumed>) = ? [pid 6497] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6496] <... futex resumed>) = ? [pid 6492] <... exit_group resumed>) = ? [pid 6491] exit_group(0 [pid 6489] exit_group(0 [pid 6503] rt_sigprocmask(SIG_SETMASK, [], [pid 6502] +++ exited with 0 +++ [pid 6501] <... futex resumed>) = ? [pid 6499] <... futex resumed>) = ? [pid 6496] +++ exited with 0 +++ [pid 6495] <... futex resumed>) = ? [pid 6493] <... futex resumed>) = ? [pid 6491] <... exit_group resumed>) = ? [pid 6489] <... exit_group resumed>) = ? [pid 6503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6501] +++ exited with 0 +++ [pid 6499] +++ exited with 0 +++ [pid 6497] <... futex resumed>) = 0 [pid 6495] +++ exited with 0 +++ [pid 6493] +++ exited with 0 +++ [pid 6492] +++ exited with 0 +++ [pid 6491] +++ exited with 0 +++ [pid 6503] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6497] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6490] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6491, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6492, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5839] <... restart_syscall resumed>) = 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6490, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5839] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... openat resumed>) = 3 [pid 5836] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5836] newfstatat(3, "", [pid 5839] newfstatat(3, "", [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] getdents64(3, [pid 5836] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] unlink("./43/binderfs" [pid 5838] <... restart_syscall resumed>) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 5836] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6489] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6489, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./43/binderfs", [pid 5838] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... umount2 resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5836] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./43/binderfs" [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(3, "", [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] newfstatat(AT_FDCWD, "./43/bus", [pid 5839] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] getdents64(3, [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = 0 [pid 6503] <... madvise resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./44/binderfs", [pid 5836] openat(AT_FDCWD, "./43/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6503] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6503] <... futex resumed>) = 1 [pid 6497] <... futex resumed>) = 0 [pid 5836] <... openat resumed>) = 4 [pid 6503] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(4, "", [pid 6497] exit_group(0 [pid 5839] newfstatat(AT_FDCWD, "./43/bus", [pid 6503] <... futex resumed>) = ? [pid 6497] <... exit_group resumed>) = ? [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6498] <... futex resumed>) = ? [pid 5838] unlink("./44/binderfs" [pid 6503] +++ exited with 0 +++ [pid 5836] getdents64(4, [pid 5839] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] getdents64(4, [pid 5840] <... restart_syscall resumed>) = 0 [pid 5839] openat(AT_FDCWD, "./43/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... openat resumed>) = 4 [pid 5836] close(4 [pid 5839] newfstatat(4, "", [pid 5836] <... close resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] rmdir("./43/bus" [pid 5839] getdents64(4, [pid 5836] <... rmdir resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] getdents64(3, [pid 5839] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] close(4 [pid 5836] close(3 [pid 5839] <... close resumed>) = 0 [pid 5839] rmdir("./43/bus" [pid 5836] <... close resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5836] rmdir("./43" [pid 5840] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... openat resumed>) = 3 [pid 5839] getdents64(3, [pid 5838] newfstatat(AT_FDCWD, "./44/bus", [pid 5836] mkdir("./44", 0777 [pid 5840] newfstatat(3, "", [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] close(3 [pid 5838] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(3, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... close resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./44/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5840] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] rmdir("./43" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... openat resumed>) = 4 [pid 5840] newfstatat(AT_FDCWD, "./44/binderfs", [pid 5838] newfstatat(4, "", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] unlink("./44/binderfs" [pid 5836] <... openat resumed>) = 3 [pid 5839] mkdir("./44", 0777 [pid 5838] getdents64(4, [pid 5836] ioctl(3, LOOP_CLR_FD) = 0 [pid 5836] close(3 [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... close resumed>) = 0 [pid 5838] getdents64(4, [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] close(4 [pid 5840] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] <... close resumed>) = 0 [pid 5839] <... ioctl resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] rmdir("./44/bus" [pid 5839] close(3 [pid 5838] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6504 attached [pid 5838] getdents64(3, [pid 5840] <... umount2 resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6504] set_robust_list(0x55557a9486a0, 24 [pid 5838] close(3) = 0 [pid 6504] <... set_robust_list resumed>) = 0 [pid 5840] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] rmdir("./44" [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6504 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... rmdir resumed>) = 0 [pid 5838] mkdir("./45", 0777./strace-static-x86_64: Process 6505 attached [pid 6505] set_robust_list(0x55557a9486a0, 24) = 0 [pid 6505] chdir("./44" [pid 6504] chdir("./44" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6505 [pid 5838] <... mkdir resumed>) = 0 [pid 6505] <... chdir resumed>) = 0 [pid 6505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6504] <... chdir resumed>) = 0 [pid 6505] <... prctl resumed>) = 0 [pid 6504] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6505] setpgid(0, 0 [pid 6504] <... prctl resumed>) = 0 [pid 6505] <... setpgid resumed>) = 0 [pid 6504] setpgid(0, 0 [pid 6505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6504] <... setpgid resumed>) = 0 [pid 6504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] newfstatat(AT_FDCWD, "./44/bus", [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6505] <... openat resumed>) = 3 [pid 6504] <... openat resumed>) = 3 [pid 6504] write(3, "1000", 4 [pid 6505] write(3, "1000", 4 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5840] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6505] <... write resumed>) = 4 [pid 6504] <... write resumed>) = 4 [pid 6498] +++ exited with 0 +++ [pid 6497] +++ exited with 0 +++ [pid 5838] <... ioctl resumed>) = 0 [pid 6505] close(3 [pid 6504] close(3 [pid 6505] <... close resumed>) = 0 [pid 6504] <... close resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./44/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] close(3 [pid 6505] symlink("/dev/binderfs", "./binderfs" [pid 6504] symlink("/dev/binderfs", "./binderfs" [pid 5840] <... openat resumed>) = 4 [pid 6505] <... symlink resumed>) = 0 [pid 6504] <... symlink resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5840] newfstatat(4, "", [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6497, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6506 attached [pid 6505] write(1, "executing program\n", 18 [pid 6504] write(1, "executing program\n", 18 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6506] set_robust_list(0x55557a9486a0, 24 [pid 5840] getdents64(4, [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6506 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6506] <... set_robust_list resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6504] <... write resumed>) = 18 [pid 6506] chdir("./45" [pid 6504] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] getdents64(4, executing program [pid 5837] <... openat resumed>) = 3 [pid 6506] <... chdir resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] newfstatat(3, "", [pid 6506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] close(4 [pid 6506] <... prctl resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... close resumed>) = 0 [pid 6506] setpgid(0, 0 [pid 5837] getdents64(3, [pid 6506] <... setpgid resumed>) = 0 [pid 5840] rmdir("./44/bus" [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6505] <... write resumed>) = 18 [pid 6504] <... futex resumed>) = 0 [pid 6505] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, executing program [pid 5840] <... rmdir resumed>) = 0 [pid 6506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6505] <... futex resumed>) = 0 [pid 6504] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5840] getdents64(3, [pid 5837] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6506] <... openat resumed>) = 3 [pid 6505] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6506] write(3, "1000", 4 [pid 6505] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] close(3 [pid 6506] <... write resumed>) = 4 [pid 6505] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] <... close resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./44/binderfs", [pid 6506] close(3 [pid 6505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] rmdir("./44" [pid 6506] <... close resumed>) = 0 [pid 6505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6504] <... mmap resumed>) = 0x7fee5fb34000 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6505] <... mmap resumed>) = 0x7fee5fb34000 [pid 6504] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6506] symlink("/dev/binderfs", "./binderfs" [pid 5837] unlink("./44/binderfs" [pid 6505] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6504] <... mprotect resumed>) = 0 [pid 6505] <... mprotect resumed>) = 0 [pid 6504] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6505] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6504] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 6506] <... symlink resumed>) = 0 [pid 6505] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6507 attached [pid 6505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6508 attached [pid 6507] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6504] <... clone3 resumed> => {parent_tid=[6507]}, 88) = 6507 [pid 6508] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6507] <... rseq resumed>) = 0 [pid 6505] <... clone3 resumed> => {parent_tid=[6508]}, 88) = 6508 [pid 6504] rt_sigprocmask(SIG_SETMASK, [], [pid 6508] <... rseq resumed>) = 0 [pid 6507] set_robust_list(0x7fee5fb549a0, 24 executing program [pid 6506] write(1, "executing program\n", 18 [pid 6505] rt_sigprocmask(SIG_SETMASK, [], [pid 6504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] mkdir("./45", 0777 [pid 5837] <... unlink resumed>) = 0 [pid 6508] set_robust_list(0x7fee5fb549a0, 24 [pid 6507] <... set_robust_list resumed>) = 0 [pid 6506] <... write resumed>) = 18 [pid 6505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6504] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6508] <... set_robust_list resumed>) = 0 [pid 6507] rt_sigprocmask(SIG_SETMASK, [], [pid 6506] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... futex resumed>) = 0 [pid 6508] rt_sigprocmask(SIG_SETMASK, [], [pid 6507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6505] <... futex resumed>) = 0 [pid 6504] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6507] memfd_create("syzkaller", 0 [pid 6506] <... futex resumed>) = 0 [pid 6505] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6508] memfd_create("syzkaller", 0 [pid 6507] <... memfd_create resumed>) = 3 [pid 6506] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5840] <... mkdir resumed>) = 0 [pid 6508] <... memfd_create resumed>) = 3 [pid 6508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6507] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6506] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6508] <... mmap resumed>) = 0x7fee57600000 [pid 6507] <... mmap resumed>) = 0x7fee57600000 [pid 6508] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6507] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5837] <... umount2 resumed>) = 0 [pid 6506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6506] <... mmap resumed>) = 0x7fee5fb34000 [pid 5840] <... openat resumed>) = 3 [pid 6506] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5837] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] ioctl(3, LOOP_CLR_FD [pid 6506] <... mprotect resumed>) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 6506] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] close(3 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6507] <... write resumed>) = 131072 [pid 5837] newfstatat(AT_FDCWD, "./44/bus", [pid 6508] <... write resumed>) = 131072 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6506] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6508] munmap(0x7fee57600000, 138412032) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6507] munmap(0x7fee57600000, 138412032 [pid 5837] openat(AT_FDCWD, "./44/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6509 attached [pid 5840] <... close resumed>) = 0 [pid 6508] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6507] <... munmap resumed>) = 0 [pid 6506] <... clone3 resumed> => {parent_tid=[6509]}, 88) = 6509 [pid 5837] <... openat resumed>) = 4 [pid 6508] <... openat resumed>) = 4 [pid 6507] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6508] ioctl(4, LOOP_SET_FD, 3 [pid 6507] <... openat resumed>) = 4 [pid 6509] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6507] ioctl(4, LOOP_SET_FD, 3 [pid 6506] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] newfstatat(4, "", [pid 6509] <... rseq resumed>) = 0 [pid 6506] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6510 attached [pid 6509] set_robust_list(0x7fee5fb549a0, 24 [pid 6508] <... ioctl resumed>) = 0 [pid 6506] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6510] set_robust_list(0x55557a9486a0, 24 [pid 6509] <... set_robust_list resumed>) = 0 [pid 6508] close(3 [pid 6506] <... futex resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6510 [pid 5837] getdents64(4, [pid 6510] <... set_robust_list resumed>) = 0 [pid 6509] rt_sigprocmask(SIG_SETMASK, [], [pid 6508] <... close resumed>) = 0 [pid 6506] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6508] close(4 [pid 6510] chdir("./45" [pid 6509] memfd_create("syzkaller", 0 [pid 6508] <... close resumed>) = 0 [pid 6509] <... memfd_create resumed>) = 3 [pid 6508] mkdir("./bus", 0777 [pid 5837] getdents64(4, [pid 6509] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6508] <... mkdir resumed>) = 0 [pid 6509] <... mmap resumed>) = 0x7fee57600000 [pid 6507] <... ioctl resumed>) = 0 [pid 6510] <... chdir resumed>) = 0 [pid 6509] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6508] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6507] close(3 [pid 5837] close(4 [pid 6507] <... close resumed>) = 0 [pid 6507] close(4 [pid 5837] <... close resumed>) = 0 [pid 5837] rmdir("./44/bus" [pid 6507] <... close resumed>) = 0 [pid 6507] mkdir("./bus", 0777 [pid 6510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6507] <... mkdir resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 6510] setpgid(0, 0) = 0 [pid 6509] <... write resumed>) = 131072 [pid 6510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6509] munmap(0x7fee57600000, 138412032 [pid 5837] getdents64(3, [pid 6510] write(3, "1000", 4 [pid 6509] <... munmap resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6509] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6510] <... write resumed>) = 4 [pid 6509] <... openat resumed>) = 4 [pid 6510] close(3 [pid 6509] ioctl(4, LOOP_SET_FD, 3 [pid 6510] <... close resumed>) = 0 [ 96.731369][ T6508] loop3: detected capacity change from 0 to 256 [ 96.738564][ T6507] loop0: detected capacity change from 0 to 256 [pid 6508] <... mount resumed>) = 0 [pid 6510] symlink("/dev/binderfs", "./binderfs" [pid 6508] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6510] <... symlink resumed>) = 0 [pid 6508] <... openat resumed>) = 3 [pid 6507] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"...executing program [pid 6510] write(1, "executing program\n", 18 [pid 6508] chdir("./bus" [pid 6510] <... write resumed>) = 18 [pid 6508] <... chdir resumed>) = 0 [pid 6510] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6510] <... futex resumed>) = 0 [pid 6508] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6510] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6508] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6505] <... futex resumed>) = 0 [pid 6510] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6508] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6505] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6508] <... openat resumed>) = 4 [pid 6505] <... futex resumed>) = 0 [pid 5837] close(3 [pid 6510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6508] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6508] <... futex resumed>) = 0 [pid 6505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6510] <... mmap resumed>) = 0x7fee5fb34000 [pid 6508] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6505] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6505] <... futex resumed>) = 0 [pid 6510] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6508] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6510] <... mprotect resumed>) = 0 [pid 6508] <... futex resumed>) = 0 [pid 6505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6508] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6505] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6510] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6505] <... futex resumed>) = 0 [pid 6508] dup(4 [pid 6505] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6510] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6508] <... dup resumed>) = 5 [pid 5837] <... close resumed>) = 0 [pid 6510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6511 attached [pid 6508] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6508] <... futex resumed>) = 1 [pid 6507] <... mount resumed>) = 0 [pid 6505] <... futex resumed>) = 0 [pid 6511] <... rseq resumed>) = 0 [pid 6510] <... clone3 resumed> => {parent_tid=[6511]}, 88) = 6511 [pid 6505] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] rmdir("./44" [pid 6511] set_robust_list(0x7fee5fb549a0, 24 [pid 6510] rt_sigprocmask(SIG_SETMASK, [], [pid 6508] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6505] <... futex resumed>) = 0 [pid 6507] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5837] <... rmdir resumed>) = 0 [pid 6511] <... set_robust_list resumed>) = 0 [pid 6510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6507] <... openat resumed>) = 3 [pid 6505] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6511] rt_sigprocmask(SIG_SETMASK, [], [pid 6510] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] chdir("./bus" [pid 6511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6510] <... futex resumed>) = 0 [pid 6507] <... chdir resumed>) = 0 [pid 6511] memfd_create("syzkaller", 0 [pid 6510] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6507] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6511] <... memfd_create resumed>) = 3 [pid 6507] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5837] mkdir("./45", 0777 [pid 6511] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6507] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] <... mmap resumed>) = 0x7fee57600000 [pid 6509] <... ioctl resumed>) = 0 [pid 6507] <... futex resumed>) = 1 [pid 6504] <... futex resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 6511] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6509] close(3 [pid 6507] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6504] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6511] <... write resumed>) = 131072 [pid 6509] <... close resumed>) = 0 [pid 6507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6504] <... futex resumed>) = 0 [pid 6509] close(4 [pid 6507] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6504] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] <... openat resumed>) = 3 [pid 6511] munmap(0x7fee57600000, 138412032 [pid 6509] <... close resumed>) = 0 [pid 6507] <... openat resumed>) = 4 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6511] <... munmap resumed>) = 0 [pid 6509] mkdir("./bus", 0777 [pid 6507] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6504] <... futex resumed>) = 0 [pid 5837] <... ioctl resumed>) = 0 [pid 6507] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6504] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6504] <... futex resumed>) = 0 [pid 5837] close(3 [pid 6511] <... openat resumed>) = 4 [pid 6507] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6504] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6511] ioctl(4, LOOP_SET_FD, 3 [pid 6507] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6509] <... mkdir resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 6507] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6507] <... futex resumed>) = 1 [pid 6507] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6504] <... futex resumed>) = 0 [pid 6504] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] <... futex resumed>) = 0 [pid 6504] <... futex resumed>) = 1 [pid 6507] dup(4 [pid 6504] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6507] <... dup resumed>) = 5 ./strace-static-x86_64: Process 6512 attached [pid 6507] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6504] <... futex resumed>) = 0 [pid 6504] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6507] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6504] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6512] set_robust_list(0x55557a9486a0, 24 [pid 6509] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6512 [pid 6512] <... set_robust_list resumed>) = 0 [pid 6512] chdir("./45") = 0 [pid 6512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6512] setpgid(0, 0) = 0 [pid 6512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6512] write(3, "1000", 4) = 4 [pid 6511] <... ioctl resumed>) = 0 [pid 6509] <... mount resumed>) = 0 executing program [pid 6512] close(3 [pid 6509] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6512] <... close resumed>) = 0 [pid 6512] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6512] write(1, "executing program\n", 18 [pid 6511] close(3 [pid 6512] <... write resumed>) = 18 [pid 6511] <... close resumed>) = 0 [pid 6512] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] close(4 [pid 6512] <... futex resumed>) = 0 [pid 6511] <... close resumed>) = 0 [pid 6509] <... openat resumed>) = 3 [pid 6512] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6511] mkdir("./bus", 0777 [pid 6509] chdir("./bus" [pid 6511] <... mkdir resumed>) = 0 [pid 6509] <... chdir resumed>) = 0 [pid 6509] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6512] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6512] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6512] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6511] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6512] <... mprotect resumed>) = 0 [pid 6509] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6505] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6509] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6512] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6511] <... mount resumed>) = 0 [pid 6509] <... futex resumed>) = 1 [pid 6506] <... futex resumed>) = 0 [pid 6505] <... futex resumed>) = 0 [pid 6512] <... rt_sigprocmask resumed>[], 8) = 0 [ 96.775624][ T6509] loop2: detected capacity change from 0 to 256 [ 96.815849][ T6511] loop4: detected capacity change from 0 to 256 [pid 6511] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6509] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6506] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6506] <... futex resumed>) = 0 [pid 6505] <... mmap resumed>) = 0x7fee5fb13000 [pid 6509] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6506] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6509] <... openat resumed>) = 4 [pid 6505] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6513 attached [pid 6512] <... clone3 resumed> => {parent_tid=[6513]}, 88) = 6513 [pid 6511] <... openat resumed>) = 3 [pid 6509] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6512] rt_sigprocmask(SIG_SETMASK, [], [pid 6511] chdir("./bus" [pid 6509] <... futex resumed>) = 1 [pid 6506] <... futex resumed>) = 0 [pid 6505] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6513] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6511] <... chdir resumed>) = 0 [pid 6509] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6506] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6506] <... futex resumed>) = 0 [pid 6509] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6506] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6512] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6509] <... futex resumed>) = 1 [pid 6506] <... futex resumed>) = 0 [pid 6512] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6514 attached [pid 6512] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6511] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6513] <... rseq resumed>) = 0 [pid 6511] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6513] set_robust_list(0x7fee5fb549a0, 24 [pid 6511] <... futex resumed>) = 1 [pid 6505] <... clone3 resumed> => {parent_tid=[6514]}, 88) = 6514 [pid 6513] <... set_robust_list resumed>) = 0 [pid 6513] rt_sigprocmask(SIG_SETMASK, [], [pid 6511] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6505] rt_sigprocmask(SIG_SETMASK, [], [pid 6513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6510] <... futex resumed>) = 0 [pid 6513] memfd_create("syzkaller", 0 [pid 6504] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6504] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6510] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6514] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6513] <... memfd_create resumed>) = 3 [pid 6511] <... futex resumed>) = 0 [pid 6510] <... futex resumed>) = 1 [pid 6505] <... futex resumed>) = 0 [pid 6511] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6510] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6505] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6514] <... rseq resumed>) = 0 [pid 6513] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6511] <... openat resumed>) = 4 [pid 6514] set_robust_list(0x7fee5fb339a0, 24 [pid 6513] <... mmap resumed>) = 0x7fee57600000 [pid 6511] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6514] <... set_robust_list resumed>) = 0 [pid 6513] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6511] <... futex resumed>) = 1 [pid 6510] <... futex resumed>) = 0 [pid 6509] dup(4 [pid 6506] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6514] rt_sigprocmask(SIG_SETMASK, [], [pid 6511] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6510] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6511] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] <... futex resumed>) = 0 [pid 6514] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6511] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6510] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6511] <... futex resumed>) = 0 [pid 6510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6509] <... dup resumed>) = 5 [pid 6506] <... futex resumed>) = 0 [pid 6511] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6510] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6514] <... madvise resumed>) = 0 [pid 6513] <... write resumed>) = 131072 [pid 6511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6510] <... futex resumed>) = 0 [pid 6509] <... futex resumed>) = 0 [pid 6506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6506] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6506] <... futex resumed>) = 0 [pid 6513] munmap(0x7fee57600000, 138412032 [pid 6511] dup(4 [pid 6510] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6513] <... munmap resumed>) = 0 [pid 6511] <... dup resumed>) = 5 [pid 6513] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6511] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6513] <... openat resumed>) = 4 [pid 6511] <... futex resumed>) = 1 [pid 6510] <... futex resumed>) = 0 [pid 6513] ioctl(4, LOOP_SET_FD, 3 [pid 6511] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6510] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6510] <... futex resumed>) = 0 [pid 6510] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6514] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6504] <... mmap resumed>) = 0x7fee5fb13000 [pid 6514] <... futex resumed>) = 1 [pid 6511] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6505] <... futex resumed>) = 0 [pid 6504] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6514] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6504] <... mprotect resumed>) = 0 [pid 6504] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} => {parent_tid=[6515]}, 88) = 6515 [pid 6504] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6515 attached NULL, 8) = 0 [pid 6515] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6504] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6515] <... rseq resumed>) = 0 [pid 6504] <... futex resumed>) = 0 [pid 6515] set_robust_list(0x7fee5fb339a0, 24 [pid 6504] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6515] <... set_robust_list resumed>) = 0 [pid 6513] <... ioctl resumed>) = 0 [pid 6515] rt_sigprocmask(SIG_SETMASK, [], [pid 6513] close(3 [pid 6515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6513] <... close resumed>) = 0 [pid 6515] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6513] close(4) = 0 [pid 6515] <... madvise resumed>) = 0 [pid 6513] mkdir("./bus", 0777 [pid 6515] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6504] <... futex resumed>) = 0 [pid 6515] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6513] <... mkdir resumed>) = 0 [pid 6506] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6506] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6510] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 96.896272][ T6513] loop1: detected capacity change from 0 to 256 [pid 6510] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6510] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6510] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6506] <... futex resumed>) = 0 [pid 6510] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6513] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} => {parent_tid=[6516]}, 88) = 6516 [pid 6510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6510] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6510] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6516 attached [pid 6513] <... mount resumed>) = 0 [pid 6513] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6516] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6513] <... openat resumed>) = 3 [pid 6516] <... rseq resumed>) = 0 [pid 6513] chdir("./bus" [pid 6516] set_robust_list(0x7fee5fb339a0, 24 [pid 6513] <... chdir resumed>) = 0 [pid 6513] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6516] <... set_robust_list resumed>) = 0 [pid 6513] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6513] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6516] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6506] <... mmap resumed>) = 0x7fee5fb13000 [pid 6513] <... futex resumed>) = 1 [pid 6512] <... futex resumed>) = 0 [pid 6506] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6513] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6512] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] <... mprotect resumed>) = 0 [pid 6512] <... futex resumed>) = 0 [pid 6513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6506] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6513] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6512] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6513] <... openat resumed>) = 4 [pid 6513] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6512] <... futex resumed>) = 0 [pid 6513] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6512] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6513] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... futex resumed>) = 0 [pid 6513] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6516] <... madvise resumed>) = 0 [pid 6512] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6517 attached [pid 6516] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6513] <... futex resumed>) = 0 [pid 6512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6517] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6516] <... futex resumed>) = 1 [pid 6513] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6512] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6510] <... futex resumed>) = 0 [pid 6506] <... clone3 resumed> => {parent_tid=[6517]}, 88) = 6517 [pid 6517] <... rseq resumed>) = 0 [pid 6516] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6512] <... futex resumed>) = 0 [pid 6506] rt_sigprocmask(SIG_SETMASK, [], [pid 6517] set_robust_list(0x7fee5fb339a0, 24 [pid 6513] dup(4 [pid 6512] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6517] <... set_robust_list resumed>) = 0 [pid 6513] <... dup resumed>) = 5 [pid 6506] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] rt_sigprocmask(SIG_SETMASK, [], [pid 6513] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6513] <... futex resumed>) = 1 [pid 6512] <... futex resumed>) = 0 [pid 6506] <... futex resumed>) = 0 [pid 6517] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6513] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6512] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6517] <... madvise resumed>) = 0 [pid 6513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6512] <... futex resumed>) = 0 [pid 6513] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6512] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6517] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6517] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6506] <... futex resumed>) = 0 [pid 6511] <... mmap resumed>) = 0x20000000 [pid 6509] <... mmap resumed>) = 0x20000000 [pid 6508] <... mmap resumed>) = 0x20000000 [pid 6507] <... mmap resumed>) = 0x20000000 [pid 6508] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6513] <... mmap resumed>) = 0x20000000 [pid 6511] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6507] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6513] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] <... futex resumed>) = 0 [pid 6510] exit_group(0 [pid 6509] <... futex resumed>) = 0 [pid 6507] <... futex resumed>) = 0 [pid 6506] exit_group(0 [pid 6505] exit_group(0 [pid 6504] exit_group(0 [pid 6517] <... futex resumed>) = ? [pid 6516] <... futex resumed>) = ? [pid 6514] <... futex resumed>) = ? [pid 6513] <... futex resumed>) = 1 [pid 6512] <... futex resumed>) = 0 [pid 6510] <... exit_group resumed>) = ? [pid 6508] <... futex resumed>) = ? [pid 6507] read(-256, [pid 6506] <... exit_group resumed>) = ? [pid 6505] <... exit_group resumed>) = ? [pid 6517] +++ exited with 0 +++ [pid 6516] +++ exited with 0 +++ [pid 6515] <... futex resumed>) = ? [pid 6514] +++ exited with 0 +++ [pid 6513] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6512] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] +++ exited with 0 +++ [pid 6510] +++ exited with 0 +++ [pid 6509] +++ exited with 0 +++ [pid 6508] +++ exited with 0 +++ [pid 6507] +++ exited with 0 +++ [pid 6504] <... exit_group resumed>) = ? [pid 6515] +++ exited with 0 +++ [pid 6512] <... futex resumed>) = 0 [pid 6512] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6510, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6506] +++ exited with 0 +++ [pid 6505] +++ exited with 0 +++ [pid 5840] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6505, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6506, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5840] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... openat resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 6513] <... madvise resumed>) = 0 [pid 6504] +++ exited with 0 +++ [pid 5840] newfstatat(3, "", [pid 5838] newfstatat(3, "", [pid 6513] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6512] <... futex resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6513] <... futex resumed>) = 1 [pid 6512] exit_group(0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6504, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6512] <... exit_group resumed>) = ? [pid 5840] getdents64(3, [pid 5838] getdents64(3, [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5839] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./45/binderfs", [pid 5839] <... openat resumed>) = 3 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(3, "", [pid 5838] newfstatat(AT_FDCWD, "./45/binderfs", [pid 5840] unlink("./45/binderfs" [pid 5836] <... restart_syscall resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5838] unlink("./45/binderfs" [pid 5840] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, [pid 5838] <... unlink resumed>) = 0 [pid 5836] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... umount2 resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./44/binderfs", [pid 5836] <... openat resumed>) = 3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] newfstatat(3, "", [pid 5839] unlink("./44/binderfs" [pid 5840] newfstatat(AT_FDCWD, "./45/bus", [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] getdents64(3, [pid 5840] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./45/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] <... openat resumed>) = 4 [pid 5838] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(4, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] newfstatat(AT_FDCWD, "./45/bus", [pid 5840] getdents64(4, [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(4, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] close(4 [pid 5838] openat(AT_FDCWD, "./45/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... close resumed>) = 0 [pid 5838] <... openat resumed>) = 4 [pid 5840] rmdir("./45/bus" [pid 5839] <... umount2 resumed>) = 0 [pid 5836] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] <... rmdir resumed>) = 0 [pid 5838] newfstatat(4, "", [pid 5839] newfstatat(AT_FDCWD, "./44/bus", [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] getdents64(4, [pid 5839] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] openat(AT_FDCWD, "./44/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] close(4 [pid 5839] <... openat resumed>) = 4 [pid 5838] <... close resumed>) = 0 [pid 5838] rmdir("./45/bus" [pid 5839] newfstatat(4, "", [pid 5838] <... rmdir resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(4, [pid 6513] +++ exited with 0 +++ [pid 6512] +++ exited with 0 +++ [pid 5840] getdents64(3, [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(3, [pid 5836] newfstatat(AT_FDCWD, "./44/binderfs", [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] close(3 [pid 5839] getdents64(4, [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6512, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] unlink("./44/binderfs" [pid 5840] rmdir("./45" [pid 5839] close(4 [pid 5838] close(3 [pid 5836] <... unlink resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5836] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] mkdir("./46", 0777 [pid 5839] rmdir("./44/bus" [pid 5838] rmdir("./45" [pid 5837] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] getdents64(3, [pid 5838] mkdir("./46", 0777 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... umount2 resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] newfstatat(3, "", [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5837] getdents64(3, [pid 5840] close(3 [pid 5839] close(3 [pid 5838] <... mkdir resumed>) = 0 [pid 5836] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... close resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./44/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... close resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] rmdir("./44" [pid 5838] <... openat resumed>) = 3 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./45/binderfs", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] openat(AT_FDCWD, "./44/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6518 attached [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5837] unlink("./45/binderfs" [pid 5836] <... openat resumed>) = 4 [pid 6518] set_robust_list(0x55557a9486a0, 24 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6518 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 5836] newfstatat(4, "", [pid 6518] <... set_robust_list resumed>) = 0 [pid 5839] mkdir("./45", 0777 [pid 5838] close(3 [pid 6518] chdir("./46" [pid 5837] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6518] <... chdir resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5836] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] <... umount2 resumed>) = 0 [pid 5836] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] close(4) = 0 [pid 5836] rmdir("./44/bus" [pid 5837] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... rmdir resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./45/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] getdents64(3, [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] openat(AT_FDCWD, "./45/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5836] close(3 [pid 5837] newfstatat(4, "", [pid 5836] <... close resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] rmdir("./44" [pid 5837] getdents64(4, [pid 5836] <... rmdir resumed>) = 0 [pid 6518] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6518] <... prctl resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5837] close(4 [pid 5836] mkdir("./45", 0777 [pid 5837] <... close resumed>) = 0 [pid 6518] setpgid(0, 0 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] rmdir("./45/bus" [pid 5836] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6519 attached [pid 6518] <... setpgid resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6519 [pid 5837] <... rmdir resumed>) = 0 [pid 6519] set_robust_list(0x55557a9486a0, 24 [pid 6518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] ioctl(3, LOOP_CLR_FD [pid 6519] <... set_robust_list resumed>) = 0 [pid 5839] <... ioctl resumed>) = 0 [pid 5837] getdents64(3, [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6518] <... openat resumed>) = 3 [pid 5839] close(3 [pid 6519] chdir("./46" [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] <... openat resumed>) = 3 [pid 6519] <... chdir resumed>) = 0 [pid 5837] close(3 [pid 5839] <... close resumed>) = 0 [pid 6518] write(3, "1000", 4) = 4 [pid 6519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] <... close resumed>) = 0 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6519] <... prctl resumed>) = 0 [pid 5837] rmdir("./45" [pid 5836] <... ioctl resumed>) = 0 [pid 6519] setpgid(0, 0 [pid 5837] <... rmdir resumed>) = 0 [pid 6519] <... setpgid resumed>) = 0 [pid 5836] close(3 [pid 6519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... close resumed>) = 0 [pid 5837] mkdir("./46", 0777 [pid 6519] <... openat resumed>) = 3 [pid 6518] close(3 [pid 6519] write(3, "1000", 4 [pid 6518] <... close resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 6519] <... write resumed>) = 4 [pid 6519] close(3) = 0 [pid 6519] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6520 attached [pid 6519] write(1, "executing program\n", 18 [pid 5837] <... openat resumed>) = 3 [pid 6519] <... write resumed>) = 18 [pid 6520] set_robust_list(0x55557a9486a0, 24 [pid 6519] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [pid 5837] close(3 [pid 6519] <... futex resumed>) = 0 [pid 6518] symlink("/dev/binderfs", "./binderfs" [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6520] <... set_robust_list resumed>) = 0 [pid 6519] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5837] <... close resumed>) = 0 [pid 6520] chdir("./45" [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6520 [pid 6519] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6520] <... chdir resumed>) = 0 [pid 6519] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6518] <... symlink resumed>) = 0 [pid 6519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6520] <... prctl resumed>) = 0 [pid 6519] <... mmap resumed>) = 0x7fee5fb34000 [pid 6520] setpgid(0, 0 [pid 6519] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6520] <... setpgid resumed>) = 0 [pid 6519] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6522 attached [pid 6520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6519] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6522] set_robust_list(0x55557a9486a0, 24executing program ./strace-static-x86_64: Process 6521 attached [pid 6520] <... openat resumed>) = 3 [pid 6519] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6518] write(1, "executing program\n", 18 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6521 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6522 [pid 6522] <... set_robust_list resumed>) = 0 [pid 6521] set_robust_list(0x55557a9486a0, 24 [pid 6520] write(3, "1000", 4 [pid 6519] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6518] <... write resumed>) = 18 [pid 6522] chdir("./46" [pid 6521] <... set_robust_list resumed>) = 0 [pid 6520] <... write resumed>) = 4 [pid 6518] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6523 attached [pid 6522] <... chdir resumed>) = 0 [pid 6522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6521] chdir("./45" [pid 6520] close(3 [pid 6518] <... futex resumed>) = 0 [pid 6523] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6522] <... prctl resumed>) = 0 [pid 6520] <... close resumed>) = 0 [pid 6519] <... clone3 resumed> => {parent_tid=[6523]}, 88) = 6523 [pid 6518] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6523] <... rseq resumed>) = 0 [pid 6522] setpgid(0, 0 [pid 6520] symlink("/dev/binderfs", "./binderfs" [pid 6519] rt_sigprocmask(SIG_SETMASK, [], [pid 6518] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6523] set_robust_list(0x7fee5fb549a0, 24 [pid 6522] <... setpgid resumed>) = 0 [pid 6521] <... chdir resumed>) = 0 [pid 6520] <... symlink resumed>) = 0 [pid 6519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6523] <... set_robust_list resumed>) = 0 [pid 6522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6518] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6521] <... prctl resumed>) = 0 [pid 6518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6523] rt_sigprocmask(SIG_SETMASK, [], [pid 6522] <... openat resumed>) = 3 executing program [pid 6521] setpgid(0, 0 [pid 6520] write(1, "executing program\n", 18 [pid 6519] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6522] write(3, "1000", 4 [pid 6520] <... write resumed>) = 18 [pid 6519] <... futex resumed>) = 0 [pid 6523] memfd_create("syzkaller", 0 [pid 6522] <... write resumed>) = 4 [pid 6521] <... setpgid resumed>) = 0 [pid 6520] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6518] <... mmap resumed>) = 0x7fee5fb34000 [pid 6523] <... memfd_create resumed>) = 3 [pid 6522] close(3 [pid 6520] <... futex resumed>) = 0 [pid 6518] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6522] <... close resumed>) = 0 [pid 6521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6520] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6518] <... mprotect resumed>) = 0 [pid 6523] <... mmap resumed>) = 0x7fee57600000 [pid 6522] symlink("/dev/binderfs", "./binderfs" [pid 6520] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 6523] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6522] <... symlink resumed>) = 0 [pid 6521] <... openat resumed>) = 3 [pid 6520] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6518] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6521] write(3, "1000", 4 [pid 6522] write(1, "executing program\n", 18) = 18 [pid 6520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6522] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6522] <... futex resumed>) = 0 [pid 6520] <... mmap resumed>) = 0x7fee5fb34000 [pid 6523] <... write resumed>) = 131072 [pid 6522] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6520] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6522] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6520] <... mprotect resumed>) = 0 [pid 6522] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6520] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6522] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6520] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6523] munmap(0x7fee57600000, 138412032 [pid 6522] <... mprotect resumed>) = 0 [pid 6522] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6524 attached [pid 6523] <... munmap resumed>) = 0 [pid 6521] <... write resumed>) = 4 [pid 6518] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6524] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6523] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6522] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6521] close(3 [pid 6520] <... clone3 resumed> => {parent_tid=[6524]}, 88) = 6524 [pid 6518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6524] <... rseq resumed>) = 0 [pid 6521] <... close resumed>) = 0 ./strace-static-x86_64: Process 6525 attached [pid 6524] set_robust_list(0x7fee5fb549a0, 24 [pid 6523] <... openat resumed>) = 4 [pid 6522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6521] symlink("/dev/binderfs", "./binderfs" [pid 6520] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6526 attached [pid 6525] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6524] <... set_robust_list resumed>) = 0 [pid 6523] ioctl(4, LOOP_SET_FD, 3 [pid 6521] <... symlink resumed>) = 0 [pid 6520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6518] <... clone3 resumed> => {parent_tid=[6525]}, 88) = 6525 [pid 6526] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6525] <... rseq resumed>) = 0 [pid 6524] rt_sigprocmask(SIG_SETMASK, [], [pid 6518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6518] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6518] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}executing program [pid 6521] write(1, "executing program\n", 18 [pid 6520] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] set_robust_list(0x7fee5fb549a0, 24 [pid 6521] <... write resumed>) = 18 [pid 6525] <... set_robust_list resumed>) = 0 [pid 6526] <... rseq resumed>) = 0 [pid 6525] rt_sigprocmask(SIG_SETMASK, [], [pid 6524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6522] <... clone3 resumed> => {parent_tid=[6526]}, 88) = 6526 [pid 6521] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... futex resumed>) = 0 [pid 6525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6521] <... futex resumed>) = 0 [pid 6522] rt_sigprocmask(SIG_SETMASK, [], [pid 6520] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6525] memfd_create("syzkaller", 0 [pid 6522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6521] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6525] <... memfd_create resumed>) = 3 [pid 6522] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6525] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6524] memfd_create("syzkaller", 0 [pid 6522] <... futex resumed>) = 0 [pid 6521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6526] set_robust_list(0x7fee5fb549a0, 24 [pid 6525] <... mmap resumed>) = 0x7fee57600000 [pid 6524] <... memfd_create resumed>) = 3 [pid 6522] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6526] <... set_robust_list resumed>) = 0 [pid 6524] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6524] <... mmap resumed>) = 0x7fee57600000 [pid 6521] <... mmap resumed>) = 0x7fee5fb34000 [pid 6526] memfd_create("syzkaller", 0 [pid 6525] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6523] <... ioctl resumed>) = 0 [pid 6521] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6526] <... memfd_create resumed>) = 3 [pid 6524] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6521] <... mprotect resumed>) = 0 [pid 6526] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6524] <... write resumed>) = 131072 [pid 6523] close(3 [pid 6521] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6526] <... mmap resumed>) = 0x7fee57600000 [pid 6525] <... write resumed>) = 131072 [pid 6523] <... close resumed>) = 0 [pid 6525] munmap(0x7fee57600000, 138412032 [pid 6523] close(4 [pid 6521] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6526] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6525] <... munmap resumed>) = 0 [pid 6524] munmap(0x7fee57600000, 138412032 [pid 6526] <... write resumed>) = 131072 [pid 6525] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6524] <... munmap resumed>) = 0 [pid 6523] <... close resumed>) = 0 [pid 6521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6525] <... openat resumed>) = 4 [pid 6523] mkdir("./bus", 0777./strace-static-x86_64: Process 6527 attached [pid 6526] munmap(0x7fee57600000, 138412032 [pid 6525] ioctl(4, LOOP_SET_FD, 3 [pid 6524] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6526] <... munmap resumed>) = 0 [pid 6524] <... openat resumed>) = 4 [pid 6524] ioctl(4, LOOP_SET_FD, 3 [pid 6527] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6526] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6523] <... mkdir resumed>) = 0 [pid 6521] <... clone3 resumed> => {parent_tid=[6527]}, 88) = 6527 [pid 6525] <... ioctl resumed>) = 0 [pid 6527] <... rseq resumed>) = 0 [pid 6525] close(3 [pid 6526] <... openat resumed>) = 4 [pid 6525] <... close resumed>) = 0 [ 97.268082][ T6523] loop2: detected capacity change from 0 to 256 [ 97.304414][ T6525] loop4: detected capacity change from 0 to 256 [ 97.306054][ T6524] loop0: detected capacity change from 0 to 256 [pid 6526] ioctl(4, LOOP_SET_FD, 3 [pid 6525] close(4 [pid 6527] set_robust_list(0x7fee5fb549a0, 24 [pid 6525] <... close resumed>) = 0 [pid 6523] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6521] rt_sigprocmask(SIG_SETMASK, [], [pid 6527] <... set_robust_list resumed>) = 0 [pid 6526] <... ioctl resumed>) = 0 [pid 6525] mkdir("./bus", 0777 [pid 6524] <... ioctl resumed>) = 0 [pid 6521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6527] rt_sigprocmask(SIG_SETMASK, [], [pid 6526] close(3 [pid 6527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6525] <... mkdir resumed>) = 0 [pid 6524] close(3 [pid 6523] <... mount resumed>) = 0 [pid 6521] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] <... close resumed>) = 0 [pid 6525] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6524] <... close resumed>) = 0 [pid 6523] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6521] <... futex resumed>) = 0 [pid 6527] memfd_create("syzkaller", 0 [pid 6526] close(4 [pid 6523] <... openat resumed>) = 3 [pid 6527] <... memfd_create resumed>) = 3 [pid 6526] <... close resumed>) = 0 [pid 6524] close(4 [pid 6523] chdir("./bus" [pid 6521] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6527] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6526] mkdir("./bus", 0777 [pid 6525] <... mount resumed>) = 0 [pid 6524] <... close resumed>) = 0 [pid 6523] <... chdir resumed>) = 0 [pid 6527] <... mmap resumed>) = 0x7fee57600000 [pid 6526] <... mkdir resumed>) = 0 [pid 6525] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6524] mkdir("./bus", 0777 [pid 6523] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6527] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6526] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6525] <... openat resumed>) = 3 [pid 6524] <... mkdir resumed>) = 0 [pid 6523] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6525] chdir("./bus" [pid 6524] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6523] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... write resumed>) = 131072 [pid 6525] <... chdir resumed>) = 0 [pid 6524] <... mount resumed>) = 0 [pid 6523] <... futex resumed>) = 1 [pid 6525] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6524] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6523] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6519] <... futex resumed>) = 0 [pid 6525] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6527] munmap(0x7fee57600000, 138412032 [pid 6525] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] <... openat resumed>) = 3 [pid 6523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6519] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... munmap resumed>) = 0 [pid 6526] <... mount resumed>) = 0 [pid 6524] chdir("./bus" [pid 6523] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6519] <... futex resumed>) = 0 [pid 6525] <... futex resumed>) = 1 [pid 6524] <... chdir resumed>) = 0 [pid 6523] <... openat resumed>) = 4 [pid 6519] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6518] <... futex resumed>) = 0 [pid 6527] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6526] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6525] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6524] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6523] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6518] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... openat resumed>) = 4 [pid 6526] <... openat resumed>) = 3 [pid 6518] <... futex resumed>) = 0 [pid 6526] chdir("./bus" [pid 6525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6524] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6523] <... futex resumed>) = 0 [pid 6519] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [ 97.319307][ T6526] loop1: detected capacity change from 0 to 256 [pid 6518] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] ioctl(4, LOOP_SET_FD, 3 [pid 6526] <... chdir resumed>) = 0 [pid 6525] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6524] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6519] <... futex resumed>) = 0 [pid 6526] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6524] <... futex resumed>) = 1 [pid 6519] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6523] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6520] <... futex resumed>) = 0 [pid 6525] <... openat resumed>) = 4 [pid 6523] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6523] <... futex resumed>) = 0 [pid 6520] <... futex resumed>) = 0 [pid 6526] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6523] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6520] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6519] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6519] <... futex resumed>) = 0 [pid 6524] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6523] dup(4 [pid 6519] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6524] <... openat resumed>) = 4 [pid 6523] <... dup resumed>) = 5 [pid 6526] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] <... futex resumed>) = 1 [pid 6525] <... futex resumed>) = 1 [pid 6524] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] <... futex resumed>) = 1 [pid 6522] <... futex resumed>) = 0 [pid 6519] <... futex resumed>) = 0 [pid 6518] <... futex resumed>) = 0 [pid 6525] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6524] <... futex resumed>) = 1 [pid 6523] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6522] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... futex resumed>) = 0 [pid 6519] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6524] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6522] <... futex resumed>) = 0 [pid 6520] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] <... futex resumed>) = 0 [pid 6518] <... futex resumed>) = 0 [pid 6525] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6523] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6522] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6520] <... futex resumed>) = 0 [pid 6519] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6518] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6526] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6525] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6524] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6520] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6526] <... openat resumed>) = 4 [pid 6525] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6527] <... ioctl resumed>) = 0 [pid 6526] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] <... futex resumed>) = 1 [pid 6524] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] <... futex resumed>) = 0 [pid 6527] close(3 [pid 6526] <... futex resumed>) = 1 [pid 6525] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6524] <... futex resumed>) = 1 [pid 6522] <... futex resumed>) = 0 [pid 6520] <... futex resumed>) = 0 [pid 6518] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... close resumed>) = 0 [pid 6526] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6524] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6522] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] <... futex resumed>) = 0 [pid 6526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6525] dup(4 [pid 6524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6522] <... futex resumed>) = 0 [pid 6520] <... futex resumed>) = 0 [pid 6518] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] close(4 [pid 6526] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6525] <... dup resumed>) = 5 [pid 6524] dup(4 [pid 6522] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6520] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] <... close resumed>) = 0 [pid 6526] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6525] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] mkdir("./bus", 0777 [pid 6526] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... mkdir resumed>) = 0 [pid 6526] <... futex resumed>) = 1 [pid 6525] <... futex resumed>) = 1 [pid 6524] <... dup resumed>) = 5 [pid 6522] <... futex resumed>) = 0 [pid 6518] <... futex resumed>) = 0 [pid 6527] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6526] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6525] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6524] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6524] <... futex resumed>) = 1 [pid 6522] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... futex resumed>) = 0 [pid 6518] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] dup(4 [pid 6525] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6524] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6522] <... futex resumed>) = 0 [pid 6520] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] <... futex resumed>) = 0 [pid 6527] <... mount resumed>) = 0 [pid 6526] <... dup resumed>) = 5 [pid 6524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6522] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6520] <... futex resumed>) = 0 [pid 6527] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6526] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6520] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6518] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] <... openat resumed>) = 3 [pid 6526] <... futex resumed>) = 0 [pid 6524] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6522] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6522] <... futex resumed>) = 0 [pid 6527] chdir("./bus") = 0 [pid 6527] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6527] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6521] <... futex resumed>) = 0 [pid 6527] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6521] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... openat resumed>) = 4 [pid 6521] <... futex resumed>) = 0 [pid 6527] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] <... futex resumed>) = 0 [pid 6521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6527] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6521] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6521] <... futex resumed>) = 0 [pid 6527] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] <... futex resumed>) = 0 [pid 6521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6527] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6521] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6521] <... futex resumed>) = 0 [pid 6527] dup(4 [pid 6521] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] <... dup resumed>) = 5 [ 97.377644][ T6527] loop3: detected capacity change from 0 to 256 [pid 6522] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6521] <... futex resumed>) = 0 [pid 6527] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6521] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6521] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6519] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6519] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6519] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6520] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6519] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6518] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6520] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6520] <... futex resumed>) = 0 [pid 6518] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6519] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6518] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6528 attached [pid 6520] <... mmap resumed>) = 0x7fee5fb13000 [pid 6518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6528] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6520] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6519] <... clone3 resumed> => {parent_tid=[6528]}, 88) = 6528 [pid 6518] <... mmap resumed>) = 0x7fee5fb13000 [pid 6528] <... rseq resumed>) = 0 [pid 6520] <... mprotect resumed>) = 0 [pid 6519] rt_sigprocmask(SIG_SETMASK, [], [pid 6518] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6528] set_robust_list(0x7fee5fb339a0, 24 [pid 6520] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6528] <... set_robust_list resumed>) = 0 [pid 6519] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] <... mprotect resumed>) = 0 [pid 6528] rt_sigprocmask(SIG_SETMASK, [], [pid 6520] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6519] <... futex resumed>) = 0 [pid 6528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6518] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6519] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6528] madvise(0x20000000, 6291456, MADV_DONTNEED./strace-static-x86_64: Process 6529 attached [pid 6518] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6522] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6529] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6522] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6520] <... clone3 resumed> => {parent_tid=[6529]}, 88) = 6529 [pid 6518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6522] <... futex resumed>) = 0 [pid 6522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6522] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6530 attached [pid 6529] <... rseq resumed>) = 0 [pid 6528] <... madvise resumed>) = 0 [pid 6522] <... mprotect resumed>) = 0 [pid 6521] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] rt_sigprocmask(SIG_SETMASK, [], [pid 6528] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6522] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6528] <... futex resumed>) = 1 [pid 6520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6519] <... futex resumed>) = 0 [pid 6518] <... clone3 resumed> => {parent_tid=[6530]}, 88) = 6530 [pid 6528] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6522] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6520] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] rt_sigprocmask(SIG_SETMASK, [], [pid 6530] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6520] <... futex resumed>) = 0 [pid 6518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6530] <... rseq resumed>) = 0 [pid 6520] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6518] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] set_robust_list(0x7fee5fb339a0, 24 [pid 6518] <... futex resumed>) = 0 [pid 6530] <... set_robust_list resumed>) = 0 [pid 6518] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6530] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6531 attached NULL, 8) = 0 [pid 6531] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6530] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6531] <... rseq resumed>) = 0 [pid 6531] set_robust_list(0x7fee5fb339a0, 24 [pid 6529] set_robust_list(0x7fee5fb339a0, 24 [pid 6522] <... clone3 resumed> => {parent_tid=[6531]}, 88) = 6531 [pid 6521] <... futex resumed>) = 0 [pid 6531] <... set_robust_list resumed>) = 0 [pid 6529] <... set_robust_list resumed>) = 0 [pid 6522] rt_sigprocmask(SIG_SETMASK, [], [pid 6521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6531] rt_sigprocmask(SIG_SETMASK, [], [pid 6529] rt_sigprocmask(SIG_SETMASK, [], [pid 6522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6521] <... mmap resumed>) = 0x7fee5fb13000 [pid 6531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6530] <... madvise resumed>) = 0 [pid 6529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6522] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6531] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6530] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6522] <... futex resumed>) = 0 [pid 6521] <... mprotect resumed>) = 0 [pid 6530] <... futex resumed>) = 1 [pid 6530] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6522] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6521] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6518] <... futex resumed>) = 0 [pid 6521] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6531] <... madvise resumed>) = 0 [pid 6521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6531] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6532 attached ) = 1 [pid 6529] <... madvise resumed>) = 0 [pid 6522] <... futex resumed>) = 0 [pid 6521] <... clone3 resumed> => {parent_tid=[6532]}, 88) = 6532 [pid 6531] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6521] rt_sigprocmask(SIG_SETMASK, [], [pid 6532] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6532] <... rseq resumed>) = 0 [pid 6529] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6521] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6529] <... futex resumed>) = 1 [pid 6529] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6520] <... futex resumed>) = 0 [pid 6532] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6532] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6532] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6521] <... futex resumed>) = 0 [pid 6532] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6525] <... mmap resumed>) = 0x20000000 [pid 6523] <... mmap resumed>) = 0x20000000 [pid 6524] <... mmap resumed>) = 0x20000000 [pid 6527] <... mmap resumed>) = 0x20000000 [pid 6524] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] <... futex resumed>) = 0 [pid 6523] <... futex resumed>) = 0 [pid 6519] exit_group(0 [pid 6527] <... futex resumed>) = 0 [pid 6524] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6528] <... futex resumed>) = ? [pid 6527] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6519] <... exit_group resumed>) = ? [pid 6523] +++ exited with 0 +++ [pid 6521] exit_group(0 [pid 6520] exit_group(0 [pid 6529] <... futex resumed>) = ? [pid 6527] <... futex resumed>) = ? [pid 6524] <... futex resumed>) = ? [pid 6521] <... exit_group resumed>) = ? [pid 6520] <... exit_group resumed>) = ? [pid 6532] <... futex resumed>) = ? [pid 6529] +++ exited with 0 +++ [pid 6527] +++ exited with 0 +++ [pid 6526] <... mmap resumed>) = 0x20000000 [pid 6524] +++ exited with 0 +++ [pid 6532] +++ exited with 0 +++ [pid 6528] +++ exited with 0 +++ [pid 6526] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] +++ exited with 0 +++ [pid 6519] +++ exited with 0 +++ [pid 6526] <... futex resumed>) = 0 [pid 6522] exit_group(0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6519, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6521, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6531] <... futex resumed>) = ? [pid 6522] <... exit_group resumed>) = ? [pid 6520] +++ exited with 0 +++ [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 6526] +++ exited with 0 +++ [pid 5838] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6520, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5838] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... restart_syscall resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6531] +++ exited with 0 +++ [pid 6525] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6522] +++ exited with 0 +++ [pid 5839] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] getdents64(3, [pid 5836] <... restart_syscall resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6525] <... futex resumed>) = 0 [pid 5839] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6525] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6522, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5839] <... openat resumed>) = 3 [pid 5839] newfstatat(3, "", [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6518] exit_group(0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6530] <... futex resumed>) = ? [pid 6525] <... futex resumed>) = ? [pid 6518] <... exit_group resumed>) = ? [pid 5839] getdents64(3, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6530] +++ exited with 0 +++ [pid 6525] +++ exited with 0 +++ [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] newfstatat(AT_FDCWD, "./46/binderfs", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... openat resumed>) = 3 [pid 5836] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(3, [pid 5839] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./45/binderfs", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] newfstatat(AT_FDCWD, "./45/binderfs", [pid 5839] unlink("./45/binderfs" [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5836] unlink("./45/binderfs" [pid 5838] unlink("./46/binderfs" [pid 5837] <... openat resumed>) = 3 [pid 5838] <... unlink resumed>) = 0 [pid 5837] newfstatat(3, "", [pid 5836] <... unlink resumed>) = 0 [pid 5838] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... umount2 resumed>) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 5837] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = 0 [pid 5839] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./46/binderfs", [pid 5839] newfstatat(AT_FDCWD, "./45/bus", [pid 5838] newfstatat(AT_FDCWD, "./46/bus", [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./46/binderfs" [pid 5839] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... unlink resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(AT_FDCWD, "./45/bus", [pid 5839] openat(AT_FDCWD, "./45/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] openat(AT_FDCWD, "./46/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... umount2 resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... openat resumed>) = 4 [pid 5838] <... openat resumed>) = 4 [pid 5837] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(4, "", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(4, "", [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] newfstatat(AT_FDCWD, "./46/bus", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(4, [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(4, [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] openat(AT_FDCWD, "./45/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(4, [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... openat resumed>) = 4 [pid 5839] getdents64(4, [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] openat(AT_FDCWD, "./46/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] close(4 [pid 5837] <... openat resumed>) = 4 [pid 5836] newfstatat(4, "", [pid 5839] close(4 [pid 5838] <... close resumed>) = 0 [pid 5837] newfstatat(4, "", [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] rmdir("./46/bus" [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] rmdir("./45/bus" [pid 5838] <... rmdir resumed>) = 0 [pid 5837] getdents64(4, [pid 6518] +++ exited with 0 +++ [pid 5836] getdents64(4, [pid 5839] <... rmdir resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6518, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] getdents64(3, [pid 5838] getdents64(3, [pid 5837] getdents64(4, [pid 5836] getdents64(4, [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] close(4 [pid 5839] close(3 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] close(4 [pid 5838] close(3 [pid 5837] <... close resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] rmdir("./46" [pid 5837] rmdir("./46/bus" [pid 5839] rmdir("./45" [pid 5838] <... rmdir resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5838] mkdir("./47", 0777 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] rmdir("./45/bus" [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5840] <... restart_syscall resumed>) = 0 [pid 5839] mkdir("./46", 0777 [pid 5837] getdents64(3, [pid 5836] <... rmdir resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5836] getdents64(3, [pid 5839] <... mkdir resumed>) = 0 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] close(3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... ioctl resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... close resumed>) = 0 [pid 5836] close(3 [pid 5840] <... openat resumed>) = 3 [pid 5837] rmdir("./46" [pid 5836] <... close resumed>) = 0 [pid 5840] newfstatat(3, "", [pid 5839] <... openat resumed>) = 3 [pid 5836] rmdir("./45" [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] close(3 [pid 5837] <... rmdir resumed>) = 0 [pid 5839] <... ioctl resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5840] getdents64(3, [pid 5839] close(3 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... close resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] mkdir("./47", 0777 [pid 5836] mkdir("./46", 0777 [pid 5840] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./46/binderfs") = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6533 attached [pid 5840] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... mkdir resumed>) = 0 [pid 6533] set_robust_list(0x55557a9486a0, 24 [pid 5840] <... umount2 resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] <... mkdir resumed>) = 0 [pid 5840] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6534 attached [pid 6533] <... set_robust_list resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6533 [pid 5837] <... openat resumed>) = 3 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6534] set_robust_list(0x55557a9486a0, 24 [pid 6533] chdir("./46" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5836] <... openat resumed>) = 3 [pid 6534] <... set_robust_list resumed>) = 0 [pid 6533] <... chdir resumed>) = 0 [pid 5837] <... ioctl resumed>) = 0 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6534 [pid 6534] chdir("./47" [pid 6533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] close(3 [pid 5836] <... ioctl resumed>) = 0 [pid 6534] <... chdir resumed>) = 0 [pid 6533] <... prctl resumed>) = 0 [pid 6534] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] close(3 [pid 6534] <... prctl resumed>) = 0 [pid 6534] setpgid(0, 0 [pid 6533] setpgid(0, 0 [pid 5840] newfstatat(AT_FDCWD, "./46/bus", [pid 5837] <... close resumed>) = 0 [pid 6534] <... setpgid resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6533] <... setpgid resumed>) = 0 [pid 5840] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... close resumed>) = 0 [pid 6534] <... openat resumed>) = 3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./46/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6534] write(3, "1000", 4 [pid 6533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] <... openat resumed>) = 4 [pid 6534] <... write resumed>) = 4 [pid 6534] close(3 [pid 6533] <... openat resumed>) = 3 [pid 5840] newfstatat(4, "", [pid 6534] <... close resumed>) = 0 [pid 6533] write(3, "1000", 4 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6535 attached [pid 6534] symlink("/dev/binderfs", "./binderfs" [pid 6533] <... write resumed>) = 4 [pid 5840] getdents64(4, [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6534] <... symlink resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 executing program [pid 6535] set_robust_list(0x55557a9486a0, 24 [pid 5840] getdents64(4, ./strace-static-x86_64: Process 6536 attached [pid 6533] close(3 [pid 6534] write(1, "executing program\n", 18 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6535 [pid 6533] <... close resumed>) = 0 [pid 6536] set_robust_list(0x55557a9486a0, 24 [pid 6534] <... write resumed>) = 18 [pid 6536] <... set_robust_list resumed>) = 0 [pid 6533] symlink("/dev/binderfs", "./binderfs" [pid 6534] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] chdir("./46" [pid 6535] <... set_robust_list resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6536] <... chdir resumed>) = 0 [pid 6535] chdir("./47" [pid 6534] <... futex resumed>) = 0 [pid 6533] <... symlink resumed>) = 0 [pid 5840] close(4 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6536 [pid 6536] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6535] <... chdir resumed>) = 0 [pid 6534] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, executing program [pid 6533] write(1, "executing program\n", 18 [pid 5840] <... close resumed>) = 0 [pid 6536] <... prctl resumed>) = 0 [pid 6535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6534] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6533] <... write resumed>) = 18 [pid 5840] rmdir("./46/bus" [pid 6536] setpgid(0, 0 [pid 6535] <... prctl resumed>) = 0 [pid 6534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6533] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] <... setpgid resumed>) = 0 [pid 6534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6533] <... futex resumed>) = 0 [pid 6536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6533] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6534] <... mmap resumed>) = 0x7fee5fb34000 [pid 6533] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6536] <... openat resumed>) = 3 [pid 6534] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6535] setpgid(0, 0 [pid 6534] <... mprotect resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 6533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6536] write(3, "1000", 4 [pid 6534] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6536] <... write resumed>) = 4 [pid 6534] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6533] <... mmap resumed>) = 0x7fee5fb34000 [pid 6536] close(3 [pid 6534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6533] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6536] <... close resumed>) = 0 [pid 6533] <... mprotect resumed>) = 0 [pid 6536] symlink("/dev/binderfs", "./binderfs" [pid 6535] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6537 attached [pid 6536] <... symlink resumed>) = 0 [pid 6534] <... clone3 resumed> => {parent_tid=[6537]}, 88) = 6537 [pid 6533] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] getdents64(3, [pid 6534] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6537] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6536] write(1, "executing program\n", 18 [pid 6535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6533] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] close(3executing program [pid 6537] <... rseq resumed>) = 0 [pid 6536] <... write resumed>) = 18 [pid 6535] <... openat resumed>) = 3 [pid 6534] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5840] <... close resumed>) = 0 [pid 6537] set_robust_list(0x7fee5fb549a0, 24 [pid 6536] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] write(3, "1000", 4 [pid 6534] <... futex resumed>) = 0 [pid 5840] rmdir("./46"./strace-static-x86_64: Process 6538 attached [pid 6536] <... futex resumed>) = 0 [pid 6534] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6533] <... clone3 resumed> => {parent_tid=[6538]}, 88) = 6538 [pid 6538] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6537] <... set_robust_list resumed>) = 0 [pid 6536] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6535] <... write resumed>) = 4 [pid 6533] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] <... rmdir resumed>) = 0 [pid 6538] <... rseq resumed>) = 0 [pid 6536] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6538] set_robust_list(0x7fee5fb549a0, 24 [pid 6537] rt_sigprocmask(SIG_SETMASK, [], [pid 6536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6535] close(3 [pid 6533] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] mkdir("./47", 0777 [pid 6538] <... set_robust_list resumed>) = 0 [pid 6537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6535] <... close resumed>) = 0 [pid 6533] <... futex resumed>) = 0 [pid 6538] rt_sigprocmask(SIG_SETMASK, [], [pid 6536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6533] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6536] <... mmap resumed>) = 0x7fee5fb34000 [pid 6538] memfd_create("syzkaller", 0 [pid 6537] memfd_create("syzkaller", 0 [pid 6536] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6535] symlink("/dev/binderfs", "./binderfs" [pid 6538] <... memfd_create resumed>) = 3 [pid 6536] <... mprotect resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 6538] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6537] <... memfd_create resumed>) = 3 [pid 6536] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6535] <... symlink resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 executing program [pid 6538] <... mmap resumed>) = 0x7fee57600000 [pid 6537] <... mmap resumed>) = 0x7fee57600000 [pid 6535] write(1, "executing program\n", 18 [pid 5840] <... openat resumed>) = 3 [pid 6538] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6537] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6536] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6535] <... write resumed>) = 18 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 6536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6535] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6539 attached [pid 5840] close(3 [pid 6535] <... futex resumed>) = 0 [pid 6535] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6539] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6536] <... clone3 resumed> => {parent_tid=[6539]}, 88) = 6539 [pid 6535] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6539] <... rseq resumed>) = 0 [pid 6538] <... write resumed>) = 131072 [pid 6537] <... write resumed>) = 131072 [pid 6536] rt_sigprocmask(SIG_SETMASK, [], [pid 6535] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5840] <... close resumed>) = 0 [pid 6539] set_robust_list(0x7fee5fb549a0, 24 [pid 6536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6536] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6539] <... set_robust_list resumed>) = 0 [pid 6536] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6538] munmap(0x7fee57600000, 138412032 [pid 6539] memfd_create("syzkaller", 0 [pid 6538] <... munmap resumed>) = 0 [pid 6539] <... memfd_create resumed>) = 3 [pid 6539] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6539] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6538] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6537] munmap(0x7fee57600000, 138412032 [pid 6535] <... mmap resumed>) = 0x7fee5fb34000 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6538] <... openat resumed>) = 4 [pid 6537] <... munmap resumed>) = 0 [pid 6538] ioctl(4, LOOP_SET_FD, 3 [pid 6539] <... write resumed>) = 131072 [pid 6537] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6535] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6537] <... openat resumed>) = 4 [pid 6535] <... mprotect resumed>) = 0 [pid 6539] munmap(0x7fee57600000, 138412032) = 0 [pid 6539] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6535] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6540 [pid 6535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6540 attached [pid 6537] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6541 attached [pid 6539] <... openat resumed>) = 4 [pid 6539] ioctl(4, LOOP_SET_FD, 3 [pid 6540] set_robust_list(0x55557a9486a0, 24 [pid 6537] <... ioctl resumed>) = 0 [pid 6535] <... clone3 resumed> => {parent_tid=[6541]}, 88) = 6541 [pid 6541] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053) = 0 [pid 6541] set_robust_list(0x7fee5fb549a0, 24 [pid 6538] <... ioctl resumed>) = 0 [pid 6541] <... set_robust_list resumed>) = 0 [pid 6540] <... set_robust_list resumed>) = 0 [pid 6538] close(3 [pid 6535] rt_sigprocmask(SIG_SETMASK, [], [pid 6541] rt_sigprocmask(SIG_SETMASK, [], [pid 6540] chdir("./47" [pid 6538] <... close resumed>) = 0 [pid 6535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6538] close(4 [pid 6535] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6535] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6541] memfd_create("syzkaller", 0 [pid 6538] <... close resumed>) = 0 [pid 6541] <... memfd_create resumed>) = 3 [pid 6538] mkdir("./bus", 0777 [pid 6541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6538] <... mkdir resumed>) = 0 [pid 6541] <... mmap resumed>) = 0x7fee57600000 [pid 6538] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6541] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 6540] <... chdir resumed>) = 0 [pid 6541] munmap(0x7fee57600000, 138412032 [pid 6540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6541] <... munmap resumed>) = 0 [pid 6540] <... prctl resumed>) = 0 [pid 6540] setpgid(0, 0 [pid 6538] <... mount resumed>) = 0 [pid 6540] <... setpgid resumed>) = 0 [pid 6538] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6541] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6538] <... openat resumed>) = 3 [pid 6541] <... openat resumed>) = 4 [pid 6540] <... openat resumed>) = 3 [pid 6538] chdir("./bus" [pid 6540] write(3, "1000", 4) = 4 [pid 6538] <... chdir resumed>) = 0 [pid 6540] close(3 [pid 6537] close(3 [pid 6540] <... close resumed>) = 0 [pid 6537] <... close resumed>) = 0 [pid 6540] symlink("/dev/binderfs", "./binderfs" [ 97.820646][ T6538] loop3: detected capacity change from 0 to 256 [ 97.833482][ T6537] loop2: detected capacity change from 0 to 256 [ 97.834138][ T6539] loop0: detected capacity change from 0 to 256 [pid 6537] close(4executing program [pid 6541] ioctl(4, LOOP_SET_FD, 3 [pid 6538] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6537] <... close resumed>) = 0 [pid 6540] <... symlink resumed>) = 0 [pid 6537] mkdir("./bus", 0777 [pid 6540] write(1, "executing program\n", 18) = 18 [pid 6538] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6537] <... mkdir resumed>) = 0 [pid 6540] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6540] <... futex resumed>) = 0 [pid 6538] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6538] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6539] <... ioctl resumed>) = 0 [pid 6533] <... futex resumed>) = 0 [pid 6539] close(3 [pid 6533] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] <... close resumed>) = 0 [pid 6538] <... futex resumed>) = 0 [pid 6533] <... futex resumed>) = 1 [pid 6540] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 6541] <... ioctl resumed>) = 0 [pid 6539] close(4 [pid 6538] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6537] <... mount resumed>) = 0 [pid 6540] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6533] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6541] close(3 [pid 6540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6539] <... close resumed>) = 0 [pid 6538] <... openat resumed>) = 4 [pid 6537] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6539] mkdir("./bus", 0777 [pid 6538] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] <... mkdir resumed>) = 0 [pid 6538] <... futex resumed>) = 1 [pid 6533] <... futex resumed>) = 0 [pid 6537] <... openat resumed>) = 3 [pid 6541] <... close resumed>) = 0 [pid 6540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6539] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6538] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6537] chdir("./bus" [pid 6533] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] close(4 [pid 6540] <... mmap resumed>) = 0x7fee5fb34000 [pid 6539] <... mount resumed>) = 0 [pid 6538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6537] <... chdir resumed>) = 0 [pid 6533] <... futex resumed>) = 0 [pid 6541] <... close resumed>) = 0 [pid 6540] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6539] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6538] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6537] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6533] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6538] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... mprotect resumed>) = 0 [pid 6538] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6541] mkdir("./bus", 0777 [pid 6539] <... openat resumed>) = 3 [pid 6538] <... futex resumed>) = 1 [pid 6537] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6533] <... futex resumed>) = 0 [pid 6541] <... mkdir resumed>) = 0 [pid 6539] chdir("./bus" [pid 6538] dup(4 [pid 6533] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6539] <... chdir resumed>) = 0 [pid 6538] <... dup resumed>) = 5 [pid 6533] <... futex resumed>) = 0 [pid 6540] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6539] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6538] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... futex resumed>) = 1 [pid 6534] <... futex resumed>) = 0 [pid 6533] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6541] <... mount resumed>) = 0 [pid 6540] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6539] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6538] <... futex resumed>) = 0 [pid 6537] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6534] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6541] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6539] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6534] <... futex resumed>) = 0 [pid 6533] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6542 attached [pid 6541] <... openat resumed>) = 3 [pid 6539] <... futex resumed>) = 1 [pid 6538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6537] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6536] <... futex resumed>) = 0 [pid 6534] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] <... futex resumed>) = 0 [ 97.868162][ T6541] loop1: detected capacity change from 0 to 256 [pid 6542] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6541] chdir("./bus" [pid 6540] <... clone3 resumed> => {parent_tid=[6542]}, 88) = 6542 [pid 6539] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6538] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6537] <... openat resumed>) = 4 [pid 6536] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6533] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6542] <... rseq resumed>) = 0 [pid 6541] <... chdir resumed>) = 0 [pid 6540] rt_sigprocmask(SIG_SETMASK, [], [pid 6539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6537] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] <... futex resumed>) = 0 [pid 6542] set_robust_list(0x7fee5fb549a0, 24 [pid 6541] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6537] <... futex resumed>) = 1 [pid 6542] <... set_robust_list resumed>) = 0 [pid 6541] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6537] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6542] rt_sigprocmask(SIG_SETMASK, [], [pid 6540] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6540] <... futex resumed>) = 0 [pid 6542] memfd_create("syzkaller", 0 [pid 6541] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6540] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6539] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6542] <... memfd_create resumed>) = 3 [pid 6541] <... futex resumed>) = 1 [pid 6539] <... openat resumed>) = 4 [pid 6536] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6535] <... futex resumed>) = 0 [pid 6534] <... futex resumed>) = 0 [pid 6535] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] <... futex resumed>) = 0 [pid 6534] <... futex resumed>) = 1 [pid 6535] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6534] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6541] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6539] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6541] <... openat resumed>) = 4 [pid 6539] <... futex resumed>) = 0 [pid 6537] <... futex resumed>) = 0 [pid 6536] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6539] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6537] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6536] <... futex resumed>) = 0 [pid 6537] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6536] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6542] <... mmap resumed>) = 0x7fee57600000 [pid 6537] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6537] <... futex resumed>) = 1 [pid 6534] <... futex resumed>) = 0 [pid 6541] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6541] <... futex resumed>) = 1 [pid 6539] <... futex resumed>) = 1 [pid 6537] dup(4 [pid 6536] <... futex resumed>) = 0 [pid 6535] <... futex resumed>) = 0 [pid 6534] <... futex resumed>) = 0 [pid 6541] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6539] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6537] <... dup resumed>) = 5 [pid 6536] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6537] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] <... futex resumed>) = 0 [pid 6535] <... futex resumed>) = 0 [pid 6534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6541] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6539] dup(4 [pid 6537] <... futex resumed>) = 0 [pid 6536] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6535] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6534] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6539] <... dup resumed>) = 5 [pid 6537] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6534] <... futex resumed>) = 0 [pid 6542] <... write resumed>) = 131072 [pid 6541] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6542] munmap(0x7fee57600000, 138412032 [pid 6541] <... futex resumed>) = 1 [pid 6539] <... futex resumed>) = 1 [pid 6536] <... futex resumed>) = 0 [pid 6535] <... futex resumed>) = 0 [pid 6542] <... munmap resumed>) = 0 [pid 6539] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6536] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6541] dup(4 [pid 6536] <... futex resumed>) = 0 [pid 6535] <... futex resumed>) = 0 [pid 6542] <... openat resumed>) = 4 [pid 6541] <... dup resumed>) = 5 [pid 6536] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6535] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6542] ioctl(4, LOOP_SET_FD, 3 [pid 6541] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6535] <... futex resumed>) = 0 [pid 6541] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6535] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6533] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6535] <... futex resumed>) = 0 [pid 6533] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] <... futex resumed>) = 0 [pid 6533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6542] <... ioctl resumed>) = 0 [pid 6533] <... mmap resumed>) = 0x7fee5fb13000 [pid 6533] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6533] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6543 attached [pid 6542] close(3 [pid 6543] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6542] <... close resumed>) = 0 [pid 6543] <... rseq resumed>) = 0 [pid 6542] close(4 [pid 6543] set_robust_list(0x7fee5fb339a0, 24 [pid 6533] <... clone3 resumed> => {parent_tid=[6543]}, 88) = 6543 [pid 6533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6533] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6533] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6543] <... set_robust_list resumed>) = 0 [pid 6542] <... close resumed>) = 0 [pid 6543] rt_sigprocmask(SIG_SETMASK, [], [pid 6542] mkdir("./bus", 0777 [pid 6543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6543] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6542] <... mkdir resumed>) = 0 [pid 6543] <... madvise resumed>) = 0 [pid 6542] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6543] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] <... mount resumed>) = 0 [pid 6543] <... futex resumed>) = 1 [pid 6542] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6533] <... futex resumed>) = 0 [pid 6543] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6542] <... openat resumed>) = 3 [pid 6534] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6534] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6542] chdir("./bus" [pid 6534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6542] <... chdir resumed>) = 0 [pid 6534] <... mmap resumed>) = 0x7fee5fb13000 [pid 6542] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 97.983898][ T6542] loop4: detected capacity change from 0 to 256 [pid 6534] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6542] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6534] <... mprotect resumed>) = 0 [pid 6536] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6535] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6535] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6535] <... futex resumed>) = 0 [pid 6535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6536] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6535] <... mmap resumed>) = 0x7fee5fb13000 [pid 6534] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6542] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] <... mprotect resumed>) = 0 [pid 6535] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6534] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6542] <... futex resumed>) = 1 [pid 6535] <... mprotect resumed>) = 0 [pid 6534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6536] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6535] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6542] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6540] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6544 attached [pid 6535] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6536] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6534] <... clone3 resumed> => {parent_tid=[6544]}, 88) = 6544 [pid 6536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6534] rt_sigprocmask(SIG_SETMASK, [], [pid 6540] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6545 attached [pid 6542] <... futex resumed>) = 0 [pid 6540] <... futex resumed>) = 1 [pid 6534] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6534] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6546 attached [pid 6534] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6542] <... openat resumed>) = 4 [pid 6540] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6536] <... clone3 resumed> => {parent_tid=[6546]}, 88) = 6546 [pid 6542] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6542] <... futex resumed>) = 0 [pid 6540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6546] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6545] <... rseq resumed>) = 0 [pid 6544] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6542] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6540] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] rt_sigprocmask(SIG_SETMASK, [], [pid 6535] <... clone3 resumed> => {parent_tid=[6545]}, 88) = 6545 [pid 6546] <... rseq resumed>) = 0 [pid 6545] set_robust_list(0x7fee5fb339a0, 24 [pid 6544] <... rseq resumed>) = 0 [pid 6542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6540] <... futex resumed>) = 0 [pid 6536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6535] rt_sigprocmask(SIG_SETMASK, [], [pid 6545] <... set_robust_list resumed>) = 0 [pid 6544] set_robust_list(0x7fee5fb339a0, 24 [pid 6542] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6540] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6545] rt_sigprocmask(SIG_SETMASK, [], [pid 6542] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6542] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6542] <... futex resumed>) = 1 [pid 6540] <... futex resumed>) = 0 [pid 6546] set_robust_list(0x7fee5fb339a0, 24 [pid 6544] <... set_robust_list resumed>) = 0 [pid 6540] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] <... futex resumed>) = 0 [pid 6535] <... futex resumed>) = 0 [pid 6546] <... set_robust_list resumed>) = 0 [pid 6544] rt_sigprocmask(SIG_SETMASK, [], [pid 6542] dup(4 [pid 6540] <... futex resumed>) = 0 [pid 6536] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6535] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6546] rt_sigprocmask(SIG_SETMASK, [], [pid 6544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6542] <... dup resumed>) = 5 [pid 6546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6544] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6545] <... madvise resumed>) = 0 [pid 6542] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6540] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6546] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6542] <... futex resumed>) = 0 [pid 6540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6542] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6540] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6540] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6545] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6545] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6535] <... futex resumed>) = 0 [pid 6544] <... madvise resumed>) = 0 [pid 6544] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6534] <... futex resumed>) = 0 [pid 6546] <... madvise resumed>) = 0 [pid 6544] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6546] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6536] <... futex resumed>) = 0 [pid 6546] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6540] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6540] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6540] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] <... mmap resumed>) = 0x20000000 [pid 6540] <... futex resumed>) = 0 [pid 6537] <... mmap resumed>) = 0x20000000 [pid 6537] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6537] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6542] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6540] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6538] <... mmap resumed>) = 0x20000000 [pid 6541] <... mmap resumed>) = 0x20000000 [pid 6542] <... futex resumed>) = 0 [pid 6541] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6540] <... mprotect resumed>) = 0 [pid 6534] exit_group(0 [pid 6544] <... futex resumed>) = ? [pid 6542] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6541] <... futex resumed>) = 0 [pid 6540] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6537] <... futex resumed>) = ? [pid 6534] <... exit_group resumed>) = ? [pid 6544] +++ exited with 0 +++ [pid 6541] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6540] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6538] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] +++ exited with 0 +++ [pid 6540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6538] <... futex resumed>) = 0 [pid 6535] exit_group(0 [pid 6533] exit_group(0./strace-static-x86_64: Process 6547 attached [pid 6545] <... futex resumed>) = ? [pid 6543] <... futex resumed>) = ? [pid 6541] <... futex resumed>) = ? [pid 6535] <... exit_group resumed>) = ? [pid 6533] <... exit_group resumed>) = ? [pid 6547] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6545] +++ exited with 0 +++ [pid 6543] +++ exited with 0 +++ [pid 6541] +++ exited with 0 +++ [pid 6540] <... clone3 resumed> => {parent_tid=[6547]}, 88) = 6547 [pid 6538] +++ exited with 0 +++ [pid 6540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6540] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6540] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6539] <... mmap resumed>) = 0x20000000 [pid 6547] <... rseq resumed>) = 0 [pid 6547] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6547] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6547] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6539] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6539] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6535] +++ exited with 0 +++ [pid 6534] +++ exited with 0 +++ [pid 6533] +++ exited with 0 +++ [pid 6536] exit_group(0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6533, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6534, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5838] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6535, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6546] <... futex resumed>) = ? [pid 6539] <... futex resumed>) = ? [pid 6536] <... exit_group resumed>) = ? [pid 5838] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6546] +++ exited with 0 +++ [pid 6539] +++ exited with 0 +++ [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./47/binderfs" [pid 5839] <... restart_syscall resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5838] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6536] +++ exited with 0 +++ [pid 5839] <... openat resumed>) = 3 [pid 5839] newfstatat(3, "", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, [pid 5837] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6536, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] <... umount2 resumed>) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5839] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... openat resumed>) = 3 [pid 5839] newfstatat(AT_FDCWD, "./46/binderfs", [pid 5838] newfstatat(AT_FDCWD, "./47/bus", [pid 5837] newfstatat(3, "", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 5839] unlink("./46/binderfs" [pid 5838] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6547] <... madvise resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6547] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] openat(AT_FDCWD, "./47/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] getdents64(3, [pid 6547] <... futex resumed>) = 1 [pid 6540] <... futex resumed>) = 0 [pid 5838] <... openat resumed>) = 4 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6547] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6540] exit_group(0 [pid 5839] <... umount2 resumed>) = 0 [pid 5838] newfstatat(4, "", [pid 5837] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6547] <... futex resumed>) = ? [pid 6542] <... futex resumed>) = ? [pid 6540] <... exit_group resumed>) = ? [pid 5839] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6547] +++ exited with 0 +++ [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(4, [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./46/bus", [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... openat resumed>) = 3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] getdents64(4, [pid 5836] newfstatat(3, "", [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] newfstatat(AT_FDCWD, "./47/binderfs", [pid 5839] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] close(4 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... close resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] openat(AT_FDCWD, "./46/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] rmdir("./47/bus" [pid 5837] unlink("./47/binderfs" [pid 5836] getdents64(3, [pid 5839] <... openat resumed>) = 4 [pid 5838] <... rmdir resumed>) = 0 [pid 5838] getdents64(3, [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] newfstatat(4, "", [pid 5838] close(3 [pid 5836] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] getdents64(4, [pid 5838] <... close resumed>) = 0 [pid 5836] newfstatat(AT_FDCWD, "./46/binderfs", [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] rmdir("./47" [pid 5837] <... unlink resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] unlink("./46/binderfs" [pid 5839] getdents64(4, [pid 5836] <... unlink resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] close(4 [pid 5838] <... rmdir resumed>) = 0 [pid 5836] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... close resumed>) = 0 [pid 5839] rmdir("./46/bus") = 0 [pid 5838] mkdir("./48", 0777) = 0 [pid 5839] getdents64(3, [pid 5837] <... umount2 resumed>) = 0 [pid 5836] <... umount2 resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./47/bus", [pid 5836] newfstatat(AT_FDCWD, "./46/bus", [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./47/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] openat(AT_FDCWD, "./46/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... openat resumed>) = 4 [pid 5836] <... openat resumed>) = 4 [pid 5839] close(3 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] newfstatat(4, "", [pid 5836] newfstatat(4, "", [pid 5839] <... close resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, [pid 5836] getdents64(4, [pid 5839] rmdir("./46" [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(4, [pid 5836] getdents64(4, [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 5837] close(4 [pid 5836] close(4 [pid 5838] close(3 [pid 5837] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5839] mkdir("./47", 0777 [pid 5838] <... close resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] rmdir("./46/bus") = 0 [pid 5837] rmdir("./47/bus" [pid 5836] getdents64(3, ./strace-static-x86_64: Process 6548 attached [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6548 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] close(3) = 0 [pid 5836] rmdir("./46" [pid 6548] set_robust_list(0x55557a9486a0, 24 [pid 5837] getdents64(3, [pid 5836] <... rmdir resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6548] <... set_robust_list resumed>) = 0 [pid 6548] chdir("./48" [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6548] <... chdir resumed>) = 0 [pid 6548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5839] <... openat resumed>) = 3 [pid 6548] setpgid(0, 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 6548] <... setpgid resumed>) = 0 [pid 5839] <... ioctl resumed>) = 0 [pid 6548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] close(3 [pid 6548] <... openat resumed>) = 3 [pid 5837] close(3 [pid 5836] mkdir("./47", 0777 [pid 5839] <... close resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6548] write(3, "1000", 4 [pid 5837] rmdir("./47" [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 6549 attached executing program [pid 6548] <... write resumed>) = 4 [pid 5837] <... rmdir resumed>) = 0 [pid 6548] close(3) = 0 [pid 6548] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5836] <... openat resumed>) = 3 [pid 5837] mkdir("./48", 0777 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... ioctl resumed>) = 0 [pid 6548] write(1, "executing program\n", 18 [pid 5836] close(3 [pid 6548] <... write resumed>) = 18 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] <... close resumed>) = 0 [pid 6549] set_robust_list(0x55557a9486a0, 24 [pid 6548] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6549 [pid 5837] <... openat resumed>) = 3 [pid 6549] <... set_robust_list resumed>) = 0 [pid 6549] chdir("./47") = 0 [pid 6548] <... futex resumed>) = 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6549] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6548] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5837] <... ioctl resumed>) = 0 [pid 6549] <... prctl resumed>) = 0 [pid 6548] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5837] close(3 [pid 6549] setpgid(0, 0 [pid 6548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6549] <... setpgid resumed>) = 0 [pid 6549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6550 attached [pid 6549] <... openat resumed>) = 3 [pid 6548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6550] set_robust_list(0x55557a9486a0, 24 [pid 6549] write(3, "1000", 4 [pid 6550] <... set_robust_list resumed>) = 0 [pid 6549] <... write resumed>) = 4 [pid 6548] <... mmap resumed>) = 0x7fee5fb34000 ./strace-static-x86_64: Process 6551 attached [pid 6550] chdir("./47" [pid 6549] close(3 [pid 6548] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6551 [pid 6549] <... close resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6550 [pid 6549] symlink("/dev/binderfs", "./binderfs" [pid 6550] <... chdir resumed>) = 0 [pid 6548] <... mprotect resumed>) = 0 [pid 6550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6549] <... symlink resumed>) = 0 [pid 6548] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6550] <... prctl resumed>) = 0 [pid 6551] set_robust_list(0x55557a9486a0, 24 [pid 6548] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6551] <... set_robust_list resumed>) = 0 [pid 6548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6552 attached [pid 6551] chdir("./48" [pid 6550] setpgid(0, 0 [pid 6549] write(1, "executing program\n", 18 [pid 6542] +++ exited with 0 +++ [pid 6540] +++ exited with 0 +++ [pid 6550] <... setpgid resumed>) = 0 executing program [pid 6551] <... chdir resumed>) = 0 [pid 6548] <... clone3 resumed> => {parent_tid=[6552]}, 88) = 6552 [pid 6552] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6549] <... write resumed>) = 18 [pid 6548] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6540, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6551] <... prctl resumed>) = 0 [pid 6550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6549] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6551] setpgid(0, 0 [pid 6548] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] <... setpgid resumed>) = 0 [pid 6548] <... futex resumed>) = 0 [pid 6552] <... rseq resumed>) = 0 [pid 6551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6550] <... openat resumed>) = 3 [pid 6549] <... futex resumed>) = 0 [pid 6548] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6552] set_robust_list(0x7fee5fb549a0, 24 [pid 6551] <... openat resumed>) = 3 [pid 6552] <... set_robust_list resumed>) = 0 [pid 6551] write(3, "1000", 4 [pid 6552] rt_sigprocmask(SIG_SETMASK, [], [pid 6551] <... write resumed>) = 4 [pid 6549] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5840] <... restart_syscall resumed>) = 0 [pid 6552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6551] close(3 [pid 6550] write(3, "1000", 4 [pid 6549] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6552] memfd_create("syzkaller", 0 [pid 6551] <... close resumed>) = 0 [pid 6550] <... write resumed>) = 4 [pid 6549] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6551] symlink("/dev/binderfs", "./binderfs" [pid 6549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6552] <... memfd_create resumed>) = 3 [pid 6551] <... symlink resumed>) = 0 [pid 6550] close(3 [pid 6549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6551] write(1, "executing program\n", 18 [pid 5840] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6551] <... write resumed>) = 18 [pid 5840] <... openat resumed>) = 3 [pid 6551] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6550] <... close resumed>) = 0 [pid 6549] <... mmap resumed>) = 0x7fee5fb34000 [pid 5840] newfstatat(3, "", [pid 6549] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6551] <... futex resumed>) = 0 [pid 6551] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6552] <... mmap resumed>) = 0x7fee57600000 [pid 6550] symlink("/dev/binderfs", "./binderfs" [pid 6549] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6549] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6552] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6551] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6550] <... symlink resumed>) = 0 [pid 6549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5840] getdents64(3, ./strace-static-x86_64: Process 6553 attached 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6550] write(1, "executing program\n", 18 [pid 5840] newfstatat(AT_FDCWD, "./47/binderfs", [pid 6551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6550] <... write resumed>) = 18 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6552] <... write resumed>) = 131072 [pid 6551] <... mmap resumed>) = 0x7fee5fb34000 [pid 6550] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] unlink("./47/binderfs" [pid 6551] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6550] <... futex resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 6551] <... mprotect resumed>) = 0 [pid 6550] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6553] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6552] munmap(0x7fee57600000, 138412032 [pid 6551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6550] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6549] <... clone3 resumed> => {parent_tid=[6553]}, 88) = 6553 [pid 5840] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6553] <... rseq resumed>) = 0 [pid 6552] <... munmap resumed>) = 0 [pid 6551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6550] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6549] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6554 attached [pid 6553] set_robust_list(0x7fee5fb549a0, 24 [pid 6552] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... umount2 resumed>) = 0 [pid 6554] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6553] <... set_robust_list resumed>) = 0 [pid 6552] <... openat resumed>) = 4 [pid 6551] <... clone3 resumed> => {parent_tid=[6554]}, 88) = 6554 [pid 6550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6549] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] <... rseq resumed>) = 0 [pid 6553] rt_sigprocmask(SIG_SETMASK, [], [pid 6552] ioctl(4, LOOP_SET_FD, 3 [pid 6551] rt_sigprocmask(SIG_SETMASK, [], [pid 6550] <... mmap resumed>) = 0x7fee5fb34000 [pid 6549] <... futex resumed>) = 0 [pid 5840] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6554] set_robust_list(0x7fee5fb549a0, 24 [pid 6553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6550] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6549] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6554] <... set_robust_list resumed>) = 0 [pid 6550] <... mprotect resumed>) = 0 [pid 6554] rt_sigprocmask(SIG_SETMASK, [], [pid 6550] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6554] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6553] memfd_create("syzkaller", 0 [pid 6552] <... ioctl resumed>) = 0 [pid 6551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6550] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] newfstatat(AT_FDCWD, "./47/bus", [pid 6553] <... memfd_create resumed>) = 3 [pid 6552] close(3 [pid 6551] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6554] <... futex resumed>) = 0 [pid 6553] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6552] <... close resumed>) = 0 [pid 6551] <... futex resumed>) = 1 [pid 6552] close(4) = 0 ./strace-static-x86_64: Process 6555 attached [pid 6552] mkdir("./bus", 0777 [pid 6555] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6554] memfd_create("syzkaller", 0 [pid 6553] <... mmap resumed>) = 0x7fee57600000 [pid 6552] <... mkdir resumed>) = 0 [pid 6551] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5840] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6555] <... rseq resumed>) = 0 [pid 6555] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6554] <... memfd_create resumed>) = 3 [pid 6553] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6552] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6550] <... clone3 resumed> => {parent_tid=[6555]}, 88) = 6555 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./47/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5840] newfstatat(4, "", [pid 6555] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6554] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6553] <... write resumed>) = 131072 [pid 6550] rt_sigprocmask(SIG_SETMASK, [], [pid 6555] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6554] <... mmap resumed>) = 0x7fee57600000 [pid 6553] munmap(0x7fee57600000, 138412032 [pid 6550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] getdents64(4, [pid 6555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6550] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] memfd_create("syzkaller", 0 [pid 6550] <... futex resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6555] <... memfd_create resumed>) = 3 [pid 6553] <... munmap resumed>) = 0 [pid 6550] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6554] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6555] <... mmap resumed>) = 0x7fee57600000 [pid 6553] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5840] getdents64(4, [pid 6555] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6554] <... write resumed>) = 131072 [pid 6553] <... openat resumed>) = 4 [pid 6552] <... mount resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6554] munmap(0x7fee57600000, 138412032 [pid 5840] close(4 [pid 6554] <... munmap resumed>) = 0 [pid 6553] ioctl(4, LOOP_SET_FD, 3 [pid 6552] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5840] <... close resumed>) = 0 [pid 6552] <... openat resumed>) = 3 [ 98.330729][ T6552] loop2: detected capacity change from 0 to 256 [pid 6555] <... write resumed>) = 131072 [pid 6552] chdir("./bus" [pid 5840] rmdir("./47/bus" [pid 6552] <... chdir resumed>) = 0 [pid 6552] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6554] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6552] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6555] munmap(0x7fee57600000, 138412032 [pid 6554] <... openat resumed>) = 4 [pid 6552] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] ioctl(4, LOOP_SET_FD, 3 [pid 6552] <... futex resumed>) = 1 [pid 6555] <... munmap resumed>) = 0 [pid 6553] <... ioctl resumed>) = 0 [pid 6552] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6548] <... futex resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 6553] close(3 [pid 6548] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] getdents64(3, [pid 6555] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6553] <... close resumed>) = 0 [pid 6552] <... futex resumed>) = 0 [pid 6548] <... futex resumed>) = 1 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6555] <... openat resumed>) = 4 [pid 6553] close(4 [pid 6552] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6548] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6555] ioctl(4, LOOP_SET_FD, 3 [pid 6553] <... close resumed>) = 0 [pid 6552] <... openat resumed>) = 4 [pid 5840] close(3 [pid 6554] <... ioctl resumed>) = 0 [pid 6555] <... ioctl resumed>) = 0 [pid 6553] mkdir("./bus", 0777 [pid 6552] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... close resumed>) = 0 [pid 6553] <... mkdir resumed>) = 0 [pid 6552] <... futex resumed>) = 1 [pid 6548] <... futex resumed>) = 0 [pid 5840] rmdir("./47" [pid 6553] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6552] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6548] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... rmdir resumed>) = 0 [pid 6555] close(3 [pid 6554] close(3 [pid 6552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6548] <... futex resumed>) = 0 [pid 6555] <... close resumed>) = 0 [pid 6554] <... close resumed>) = 0 [pid 6552] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6548] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] mkdir("./48", 0777 [pid 6555] close(4 [pid 6554] close(4 [pid 6553] <... mount resumed>) = 0 [pid 6552] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... mkdir resumed>) = 0 [pid 6555] <... close resumed>) = 0 [pid 6554] <... close resumed>) = 0 [pid 6553] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6552] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] mkdir("./bus", 0777 [pid 6554] mkdir("./bus", 0777 [pid 6555] <... mkdir resumed>) = 0 [pid 6554] <... mkdir resumed>) = 0 [pid 6553] <... openat resumed>) = 3 [pid 6552] <... futex resumed>) = 1 [pid 6548] <... futex resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6555] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6554] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6553] chdir("./bus" [pid 6552] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6548] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... openat resumed>) = 3 [pid 6553] <... chdir resumed>) = 0 [pid 6552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6548] <... futex resumed>) = 0 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 6553] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6552] dup(4 [pid 6548] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6555] <... mount resumed>) = 0 [pid 6554] <... mount resumed>) = 0 [pid 6553] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6552] <... dup resumed>) = 5 [pid 5840] <... ioctl resumed>) = 0 [pid 6553] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] close(3 [pid 6553] <... futex resumed>) = 1 [pid 6552] <... futex resumed>) = 1 [pid 6548] <... futex resumed>) = 0 [pid 6555] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6554] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6555] <... openat resumed>) = 3 [pid 6554] <... openat resumed>) = 3 [pid 6553] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6552] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6549] <... futex resumed>) = 0 [pid 6548] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... close resumed>) = 0 [pid 6555] chdir("./bus" [pid 6554] chdir("./bus" [pid 6552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6549] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... futex resumed>) = 0 [pid 6552] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6548] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6555] <... chdir resumed>) = 0 [pid 6554] <... chdir resumed>) = 0 [pid 6555] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6554] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6555] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6554] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6555] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] <... futex resumed>) = 1 [pid 6554] <... futex resumed>) = 1 [pid 6551] <... futex resumed>) = 0 [pid 6550] <... futex resumed>) = 0 [pid 6555] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6554] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6551] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6553] <... futex resumed>) = 0 [pid 6551] <... futex resumed>) = 0 [pid 6550] <... futex resumed>) = 0 [pid 6549] <... futex resumed>) = 1 [ 98.371162][ T6553] loop3: detected capacity change from 0 to 256 [ 98.379962][ T6554] loop1: detected capacity change from 0 to 256 [ 98.388576][ T6555] loop0: detected capacity change from 0 to 256 [pid 6555] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6554] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6553] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6551] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6550] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6555] <... openat resumed>) = 4 [pid 6554] <... openat resumed>) = 4 [pid 6553] <... openat resumed>) = 4 [pid 6549] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6555] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] <... futex resumed>) = 1 [pid 6554] <... futex resumed>) = 1 [pid 6553] <... futex resumed>) = 1 [pid 6551] <... futex resumed>) = 0 [pid 6550] <... futex resumed>) = 0 [pid 6549] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6556 attached [pid 6555] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6554] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6553] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6551] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6554] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] <... futex resumed>) = 0 [pid 6550] <... futex resumed>) = 0 [pid 6549] <... futex resumed>) = 0 [pid 6555] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6554] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6549] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6550] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6556] set_robust_list(0x55557a9486a0, 24 [pid 6555] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6554] <... futex resumed>) = 0 [pid 6553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6556 [pid 6556] <... set_robust_list resumed>) = 0 [pid 6555] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] dup(4 [pid 6553] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6551] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] chdir("./48" [pid 6555] <... futex resumed>) = 1 [pid 6554] <... dup resumed>) = 5 [pid 6553] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] <... futex resumed>) = 0 [pid 6550] <... futex resumed>) = 0 [pid 6556] <... chdir resumed>) = 0 [pid 6555] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6554] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6550] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6554] <... futex resumed>) = 0 [pid 6553] <... futex resumed>) = 1 [pid 6551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6550] <... futex resumed>) = 0 [pid 6549] <... futex resumed>) = 0 [pid 6556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6555] dup(4 [pid 6554] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6553] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6551] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6549] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] <... prctl resumed>) = 0 [pid 6555] <... dup resumed>) = 5 [pid 6554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6551] <... futex resumed>) = 0 [pid 6556] setpgid(0, 0 [pid 6555] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6553] dup(4 [pid 6551] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6549] <... futex resumed>) = 0 [pid 6556] <... setpgid resumed>) = 0 [pid 6550] <... futex resumed>) = 0 [pid 6556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6555] <... futex resumed>) = 1 [pid 6553] <... dup resumed>) = 5 [pid 6549] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6553] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6553] <... futex resumed>) = 0 [pid 6556] <... openat resumed>) = 3 [pid 6555] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6553] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] <... futex resumed>) = 0 [pid 6550] <... futex resumed>) = 1 [pid 6555] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6550] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6549] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6549] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6556] write(3, "1000", 4) = 4 [pid 6556] close(3 [pid 6553] <... futex resumed>) = 0 [pid 6553] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6556] <... close resumed>) = 0 [pid 6556] symlink("/dev/binderfs", "./binderfs" [pid 6548] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6556] <... symlink resumed>) = 0 [pid 6548] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6556] write(1, "executing program\n", 18 [pid 6548] <... futex resumed>) = 0 [pid 6548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6556] <... write resumed>) = 18 [pid 6556] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6556] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 6556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6548] <... mmap resumed>) = 0x7fee5fb13000 [pid 6548] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6548] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6556] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6548] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6556] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6556] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6557 attached [pid 6556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6557] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6548] <... clone3 resumed> => {parent_tid=[6557]}, 88) = 6557 [pid 6557] <... rseq resumed>) = 0 [pid 6548] rt_sigprocmask(SIG_SETMASK, [], [pid 6557] set_robust_list(0x7fee5fb339a0, 24 [pid 6548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6557] <... set_robust_list resumed>) = 0 [pid 6548] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6558 attached [pid 6557] rt_sigprocmask(SIG_SETMASK, [], [pid 6551] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6548] <... futex resumed>) = 0 [pid 6557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6551] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6548] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6551] <... futex resumed>) = 0 [pid 6550] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6557] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6550] <... futex resumed>) = 0 [pid 6556] <... clone3 resumed> => {parent_tid=[6558]}, 88) = 6558 [pid 6551] <... mmap resumed>) = 0x7fee5fb13000 [pid 6550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6549] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6551] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6550] <... mmap resumed>) = 0x7fee5fb13000 [pid 6549] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6551] <... mprotect resumed>) = 0 [pid 6550] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6549] <... futex resumed>) = 0 [pid 6558] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6556] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6550] <... mprotect resumed>) = 0 [pid 6549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6558] <... rseq resumed>) = 0 [pid 6557] <... madvise resumed>) = 0 [pid 6556] <... futex resumed>) = 0 [pid 6551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6550] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6549] <... mmap resumed>) = 0x7fee5fb13000 [pid 6558] set_robust_list(0x7fee5fb549a0, 24 [pid 6557] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6550] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6549] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6558] <... set_robust_list resumed>) = 0 [pid 6558] rt_sigprocmask(SIG_SETMASK, [], [pid 6549] <... mprotect resumed>) = 0 [pid 6558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6549] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6558] memfd_create("syzkaller", 0 [pid 6550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6549] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6559 attached [pid 6558] <... memfd_create resumed>) = 3 [pid 6557] <... futex resumed>) = 1 [pid 6549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6548] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6561 attached ./strace-static-x86_64: Process 6560 attached [pid 6558] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6551] <... clone3 resumed> => {parent_tid=[6560]}, 88) = 6560 [pid 6550] <... clone3 resumed> => {parent_tid=[6559]}, 88) = 6559 [pid 6557] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6560] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6559] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6558] <... mmap resumed>) = 0x7fee57600000 [pid 6551] rt_sigprocmask(SIG_SETMASK, [], [pid 6550] rt_sigprocmask(SIG_SETMASK, [], [pid 6549] <... clone3 resumed> => {parent_tid=[6561]}, 88) = 6561 [pid 6561] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6560] <... rseq resumed>) = 0 [pid 6559] <... rseq resumed>) = 0 [pid 6558] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6560] set_robust_list(0x7fee5fb339a0, 24 [pid 6559] set_robust_list(0x7fee5fb339a0, 24 [pid 6560] <... set_robust_list resumed>) = 0 [pid 6559] <... set_robust_list resumed>) = 0 [pid 6560] rt_sigprocmask(SIG_SETMASK, [], [pid 6559] rt_sigprocmask(SIG_SETMASK, [], [pid 6560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6560] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6559] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6561] <... rseq resumed>) = 0 [pid 6551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6549] rt_sigprocmask(SIG_SETMASK, [], [pid 6561] set_robust_list(0x7fee5fb339a0, 24 [pid 6558] <... write resumed>) = 131072 [pid 6551] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6561] <... set_robust_list resumed>) = 0 [pid 6558] munmap(0x7fee57600000, 138412032 [pid 6551] <... futex resumed>) = 1 [pid 6550] <... futex resumed>) = 1 [pid 6549] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6560] <... futex resumed>) = 0 [pid 6559] <... futex resumed>) = 0 [pid 6561] rt_sigprocmask(SIG_SETMASK, [], [pid 6560] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6559] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6558] <... munmap resumed>) = 0 [pid 6551] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6550] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6549] <... futex resumed>) = 0 [pid 6561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6561] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6549] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6561] <... madvise resumed>) = 0 [pid 6559] <... madvise resumed>) = 0 [pid 6558] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6558] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6560] <... madvise resumed>) = 0 [pid 6560] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6551] <... futex resumed>) = 0 [pid 6560] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6559] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6550] <... futex resumed>) = 0 [pid 6559] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6561] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6549] <... futex resumed>) = 0 [pid 6561] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6558] close(3) = 0 [pid 6558] close(4) = 0 [pid 6558] mkdir("./bus", 0777) = 0 [pid 6558] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"...) = 0 [pid 6558] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6558] chdir("./bus") = 0 [pid 6558] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6554] <... mmap resumed>) = 0x20000000 [pid 6552] <... mmap resumed>) = 0x20000000 [pid 6558] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6556] <... futex resumed>) = 0 [pid 6555] <... mmap resumed>) = 0x20000000 [pid 6554] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] <... mmap resumed>) = 0x20000000 [pid 6558] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6556] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] exit_group(0 [pid 6548] exit_group(0 [pid 6560] <... futex resumed>) = ? [pid 6556] <... futex resumed>) = 0 [pid 6551] <... exit_group resumed>) = ? [pid 6557] <... futex resumed>) = ? [pid 6548] <... exit_group resumed>) = ? [pid 6560] +++ exited with 0 +++ [pid 6558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6557] +++ exited with 0 +++ [pid 6556] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6554] <... futex resumed>) = ? [pid 6552] <... futex resumed>) = ? [pid 6558] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6555] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] <... futex resumed>) = 0 [pid 6558] <... openat resumed>) = 4 [pid 6555] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6553] <... futex resumed>) = 0 [pid 6553] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6558] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] exit_group(0 [pid 6561] <... futex resumed>) = ? [pid 6558] <... futex resumed>) = 1 [pid 6556] <... futex resumed>) = 0 [pid 6553] <... futex resumed>) = ? [pid 6550] exit_group(0 [pid 6549] <... exit_group resumed>) = ? [ 98.583577][ T6558] loop4: detected capacity change from 0 to 256 [pid 6561] +++ exited with 0 +++ [pid 6559] <... futex resumed>) = ? [pid 6558] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6556] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] <... futex resumed>) = ? [pid 6554] +++ exited with 0 +++ [pid 6553] +++ exited with 0 +++ [pid 6551] +++ exited with 0 +++ [pid 6550] <... exit_group resumed>) = ? [pid 6549] +++ exited with 0 +++ [pid 6556] <... futex resumed>) = 0 [pid 6555] +++ exited with 0 +++ [pid 6559] +++ exited with 0 +++ [pid 6558] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6556] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6552] +++ exited with 0 +++ [pid 6550] +++ exited with 0 +++ [pid 6548] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6549, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6551, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6558] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 6558] <... futex resumed>) = 0 [pid 6556] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6548, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5839] <... restart_syscall resumed>) = 0 [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6550, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6558] dup(4 [pid 6556] <... futex resumed>) = 0 [pid 5837] <... restart_syscall resumed>) = 0 [pid 6558] <... dup resumed>) = 5 [pid 6556] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6558] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5839] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6558] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5838] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6556] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6558] <... futex resumed>) = 0 [pid 6556] <... futex resumed>) = 1 [pid 6558] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6556] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] newfstatat(3, "", [pid 5838] <... openat resumed>) = 3 [pid 5837] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... openat resumed>) = 3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, [pid 5837] <... openat resumed>) = 3 [pid 5836] newfstatat(3, "", [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] newfstatat(3, "", [pid 5837] newfstatat(3, "", [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(3, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(3, [pid 5837] getdents64(3, [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] newfstatat(AT_FDCWD, "./47/binderfs", [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./47/binderfs" [pid 5838] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./47/binderfs", [pid 5837] newfstatat(AT_FDCWD, "./48/binderfs", [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./48/binderfs", [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] unlink("./47/binderfs" [pid 6558] <... mmap resumed>) = 0x20000000 [pid 6558] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6556] <... futex resumed>) = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./48/binderfs" [pid 5836] <... unlink resumed>) = 0 [pid 6556] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] unlink("./48/binderfs" [pid 5836] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6556] <... futex resumed>) = 0 [pid 6558] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6556] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = 0 [pid 5837] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./47/bus", [pid 5838] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(AT_FDCWD, "./47/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./47/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... umount2 resumed>) = 0 [pid 5839] openat(AT_FDCWD, "./47/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... openat resumed>) = 4 [pid 5836] newfstatat(4, "", [pid 5839] <... openat resumed>) = 4 [pid 5838] <... umount2 resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] newfstatat(4, "", [pid 5838] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] newfstatat(AT_FDCWD, "./48/bus", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] newfstatat(AT_FDCWD, "./48/bus", [pid 5839] getdents64(4, [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] getdents64(4, [pid 6558] <... madvise resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] openat(AT_FDCWD, "./48/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... openat resumed>) = 4 [pid 5836] close(4 [pid 5839] getdents64(4, [pid 5836] <... close resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./48/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] rmdir("./47/bus" [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] close(4 [pid 5838] <... openat resumed>) = 4 [pid 5839] <... close resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5837] newfstatat(4, "", [pid 5836] getdents64(3, [pid 5839] rmdir("./47/bus" [pid 5838] newfstatat(4, "", [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6558] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6558] <... futex resumed>) = 1 [pid 6556] <... futex resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5837] getdents64(4, [pid 5836] close(3 [pid 6558] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6556] exit_group(0) = ? [pid 5836] <... close resumed>) = 0 [pid 6558] <... futex resumed>) = ? [pid 5839] getdents64(3, [pid 5838] getdents64(4, [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] rmdir("./47" [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(4, [pid 5839] close(3 [pid 5838] getdents64(4, [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] close(4 [pid 5839] rmdir("./47" [pid 5838] close(4 [pid 5837] <... close resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] rmdir("./48/bus" [pid 5836] <... rmdir resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5839] mkdir("./48", 0777 [pid 5838] rmdir("./48/bus") = 0 [pid 5836] mkdir("./48", 0777 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] getdents64(3, [pid 5837] getdents64(3, [pid 5836] <... mkdir resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] close(3 [pid 5837] close(3 [pid 5838] <... close resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] rmdir("./48" [pid 5837] rmdir("./48" [pid 5839] <... ioctl resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5839] close(3) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5838] mkdir("./49", 0777 [pid 5837] mkdir("./49", 0777 [pid 5836] <... openat resumed>) = 3 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... ioctl resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] close(3 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6562 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5838] <... ioctl resumed>) = 0 [pid 5837] <... ioctl resumed>) = 0 [pid 5836] <... close resumed>) = 0 ./strace-static-x86_64: Process 6562 attached [pid 5838] close(3 [pid 5837] close(3 [pid 6562] set_robust_list(0x55557a9486a0, 24 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... close resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6562] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6563 attached ./strace-static-x86_64: Process 6564 attached [pid 6562] chdir("./48" [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6563 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6562] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 6565 attached [pid 6562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6562] setpgid(0, 0) = 0 [pid 6564] set_robust_list(0x55557a9486a0, 24 [pid 6563] set_robust_list(0x55557a9486a0, 24 [pid 6562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6565 [pid 6564] <... set_robust_list resumed>) = 0 [pid 6563] <... set_robust_list resumed>) = 0 [pid 6562] <... openat resumed>) = 3 [pid 6565] set_robust_list(0x55557a9486a0, 24 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6564 [pid 6565] <... set_robust_list resumed>) = 0 [pid 6564] chdir("./48" [pid 6563] chdir("./49" [pid 6562] write(3, "1000", 4 [pid 6565] chdir("./49" [pid 6563] <... chdir resumed>) = 0 [pid 6562] <... write resumed>) = 4 [pid 6565] <... chdir resumed>) = 0 [pid 6563] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6562] close(3 [pid 6565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6563] <... prctl resumed>) = 0 [pid 6562] <... close resumed>) = 0 [pid 6565] <... prctl resumed>) = 0 [pid 6563] setpgid(0, 0 [pid 6562] symlink("/dev/binderfs", "./binderfs" [pid 6565] setpgid(0, 0 [pid 6564] <... chdir resumed>) = 0 [pid 6563] <... setpgid resumed>) = 0 [pid 6565] <... setpgid resumed>) = 0 [pid 6564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6562] <... symlink resumed>) = 0 [pid 6564] <... prctl resumed>) = 0 executing program [pid 6565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6564] setpgid(0, 0 [pid 6563] <... openat resumed>) = 3 [pid 6562] write(1, "executing program\n", 18 [pid 6565] <... openat resumed>) = 3 [pid 6564] <... setpgid resumed>) = 0 [pid 6563] write(3, "1000", 4 [pid 6562] <... write resumed>) = 18 [pid 6565] write(3, "1000", 4 [pid 6564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6565] <... write resumed>) = 4 [pid 6564] <... openat resumed>) = 3 [pid 6563] <... write resumed>) = 4 [pid 6562] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] close(3 [pid 6564] write(3, "1000", 4 [pid 6563] close(3 [pid 6562] <... futex resumed>) = 0 [pid 6565] <... close resumed>) = 0 [pid 6564] <... write resumed>) = 4 [pid 6563] <... close resumed>) = 0 [pid 6565] symlink("/dev/binderfs", "./binderfs" [pid 6564] close(3 [pid 6563] symlink("/dev/binderfs", "./binderfs" [pid 6562] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6565] <... symlink resumed>) = 0 [pid 6564] <... close resumed>) = 0 [pid 6563] <... symlink resumed>) = 0 [pid 6562] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 6565] write(1, "executing program\n", 18 [pid 6564] symlink("/dev/binderfs", "./binderfs" [pid 6563] write(1, "executing program\n", 18 [pid 6562] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 6558] +++ exited with 0 +++ [pid 6556] +++ exited with 0 +++ [pid 6565] <... write resumed>) = 18 [pid 6564] <... symlink resumed>) = 0 [pid 6563] <... write resumed>) = 18 [pid 6562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6556, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 6565] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6564] write(1, "executing program\n", 18 [pid 6563] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6565] <... futex resumed>) = 0 [pid 6564] <... write resumed>) = 18 [pid 6563] <... futex resumed>) = 0 [pid 6562] <... mmap resumed>) = 0x7fee5fb34000 [pid 6565] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6562] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6565] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6563] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6562] <... mprotect resumed>) = 0 [pid 6565] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6564] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6562] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6564] <... futex resumed>) = 0 [pid 6563] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6562] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6564] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6566 attached [pid 6565] <... mmap resumed>) = 0x7fee5fb34000 [pid 6563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6566] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6565] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6564] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6563] <... mmap resumed>) = 0x7fee5fb34000 [pid 6562] <... clone3 resumed> => {parent_tid=[6566]}, 88) = 6566 [pid 6566] <... rseq resumed>) = 0 [pid 6565] <... mprotect resumed>) = 0 [pid 6564] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6563] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6562] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] <... openat resumed>) = 3 [pid 6566] set_robust_list(0x7fee5fb549a0, 24 [pid 6565] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6563] <... mprotect resumed>) = 0 [pid 6562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] newfstatat(3, "", [pid 6566] <... set_robust_list resumed>) = 0 [pid 6564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6562] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] rt_sigprocmask(SIG_SETMASK, [], [pid 6565] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6564] <... mmap resumed>) = 0x7fee5fb34000 [pid 6563] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6562] <... futex resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6564] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6563] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6562] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5840] getdents64(3, ./strace-static-x86_64: Process 6567 attached [pid 6566] memfd_create("syzkaller", 0 [pid 6564] <... mprotect resumed>) = 0 [pid 6563] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 ./strace-static-x86_64: Process 6568 attached [pid 6566] <... memfd_create resumed>) = 3 [pid 6565] <... clone3 resumed> => {parent_tid=[6567]}, 88) = 6567 [pid 6568] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6567] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6566] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6565] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6568] <... rseq resumed>) = 0 [pid 6566] <... mmap resumed>) = 0x7fee57600000 [pid 6565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6568] set_robust_list(0x7fee5fb549a0, 24 [pid 6566] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6564] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6567] <... rseq resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./48/binderfs", [pid 6567] set_robust_list(0x7fee5fb549a0, 24 [pid 6563] <... clone3 resumed> => {parent_tid=[6568]}, 88) = 6568 [pid 6567] <... set_robust_list resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6567] rt_sigprocmask(SIG_SETMASK, [], [pid 6563] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] unlink("./48/binderfs" [pid 6567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6564] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6568] <... set_robust_list resumed>) = 0 [pid 6567] memfd_create("syzkaller", 0 [pid 6566] <... write resumed>) = 131072 [pid 6565] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6563] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... unlink resumed>) = 0 [pid 6568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6565] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6569 attached [pid 6567] <... memfd_create resumed>) = 3 [pid 6565] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6563] <... futex resumed>) = 0 [pid 5840] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6567] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6564] <... clone3 resumed> => {parent_tid=[6569]}, 88) = 6569 [pid 6563] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6569] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6567] <... mmap resumed>) = 0x7fee57600000 [pid 6564] rt_sigprocmask(SIG_SETMASK, [], [pid 6569] <... rseq resumed>) = 0 [pid 6568] memfd_create("syzkaller", 0 [pid 6567] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6566] munmap(0x7fee57600000, 138412032 [pid 6564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... umount2 resumed>) = 0 [pid 6566] <... munmap resumed>) = 0 [pid 6569] set_robust_list(0x7fee5fb549a0, 24 [pid 6564] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] <... set_robust_list resumed>) = 0 [pid 6567] <... write resumed>) = 131072 [pid 6566] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6564] <... futex resumed>) = 0 [pid 5840] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6569] rt_sigprocmask(SIG_SETMASK, [], [pid 6564] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6567] munmap(0x7fee57600000, 138412032 [pid 6569] memfd_create("syzkaller", 0 [pid 6568] <... memfd_create resumed>) = 3 [pid 6567] <... munmap resumed>) = 0 [pid 6566] <... openat resumed>) = 4 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6569] <... memfd_create resumed>) = 3 [pid 6568] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6566] ioctl(4, LOOP_SET_FD, 3 [pid 5840] newfstatat(AT_FDCWD, "./48/bus", [pid 6569] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6568] <... mmap resumed>) = 0x7fee57600000 [pid 6567] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6569] <... mmap resumed>) = 0x7fee57600000 [pid 6568] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6567] <... openat resumed>) = 4 [pid 6566] <... ioctl resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6567] ioctl(4, LOOP_SET_FD, 3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6568] <... write resumed>) = 131072 [pid 6569] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6568] munmap(0x7fee57600000, 138412032 [pid 6567] <... ioctl resumed>) = 0 [pid 6566] close(3 [pid 5840] openat(AT_FDCWD, "./48/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6568] <... munmap resumed>) = 0 [pid 6567] close(3 [pid 6566] <... close resumed>) = 0 [pid 6569] <... write resumed>) = 131072 [pid 6568] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6567] <... close resumed>) = 0 [pid 6566] close(4 [pid 5840] <... openat resumed>) = 4 [pid 6569] munmap(0x7fee57600000, 138412032 [pid 6568] <... openat resumed>) = 4 [pid 6567] close(4 [pid 6566] <... close resumed>) = 0 [pid 5840] newfstatat(4, "", [pid 6566] mkdir("./bus", 0777 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 98.851609][ T6566] loop3: detected capacity change from 0 to 256 [ 98.876318][ T6567] loop1: detected capacity change from 0 to 256 [pid 6568] ioctl(4, LOOP_SET_FD, 3 [pid 6567] <... close resumed>) = 0 [pid 6566] <... mkdir resumed>) = 0 [pid 5840] getdents64(4, [pid 6569] <... munmap resumed>) = 0 [pid 6567] mkdir("./bus", 0777 [pid 6566] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6569] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5840] getdents64(4, [pid 6568] <... ioctl resumed>) = 0 [pid 6569] <... openat resumed>) = 4 [pid 6567] <... mkdir resumed>) = 0 [pid 6566] <... mount resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6566] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5840] close(4 [pid 6566] <... openat resumed>) = 3 [pid 5840] <... close resumed>) = 0 [pid 6569] ioctl(4, LOOP_SET_FD, 3 [pid 6566] chdir("./bus" [pid 5840] rmdir("./48/bus" [pid 6567] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6566] <... chdir resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 6566] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6568] close(3) = 0 [pid 6566] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5840] getdents64(3, [pid 6566] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] close(4 [pid 6566] <... futex resumed>) = 1 [pid 6562] <... futex resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6566] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6568] <... close resumed>) = 0 [pid 6562] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] mkdir("./bus", 0777 [pid 6566] <... futex resumed>) = 0 [pid 6562] <... futex resumed>) = 1 [pid 5840] close(3 [pid 6568] <... mkdir resumed>) = 0 [ 98.898530][ T6568] loop2: detected capacity change from 0 to 256 [pid 6562] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6568] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6567] <... mount resumed>) = 0 [pid 6566] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 5840] <... close resumed>) = 0 [pid 5840] rmdir("./48" [pid 6566] <... openat resumed>) = 4 [pid 6568] <... mount resumed>) = 0 [pid 6567] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5840] <... rmdir resumed>) = 0 [pid 6568] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6567] <... openat resumed>) = 3 [pid 6568] chdir("./bus" [pid 6569] <... ioctl resumed>) = 0 [pid 6568] <... chdir resumed>) = 0 [pid 6567] chdir("./bus" [pid 6566] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] mkdir("./49", 0777 [pid 6569] close(3 [pid 6568] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6567] <... chdir resumed>) = 0 [pid 6566] <... futex resumed>) = 1 [pid 6562] <... futex resumed>) = 0 [pid 6569] <... close resumed>) = 0 [pid 6568] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6567] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6566] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6562] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... mkdir resumed>) = 0 [pid 6569] close(4 [pid 6568] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6562] <... futex resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6569] <... close resumed>) = 0 [pid 6568] <... futex resumed>) = 1 [pid 6567] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6563] <... futex resumed>) = 0 [pid 6562] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... openat resumed>) = 3 [pid 6569] mkdir("./bus", 0777 [pid 6568] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6567] <... futex resumed>) = 1 [pid 6566] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6565] <... futex resumed>) = 0 [pid 6563] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 6569] <... mkdir resumed>) = 0 [pid 6568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6566] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] <... futex resumed>) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 6569] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6568] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6567] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6566] <... futex resumed>) = 1 [pid 5840] close(3 [pid 6568] <... openat resumed>) = 4 [pid 6567] <... openat resumed>) = 4 [pid 6566] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6565] <... futex resumed>) = 0 [pid 6563] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... futex resumed>) = 0 [pid 6567] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6567] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6565] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6565] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] <... futex resumed>) = 0 [pid 6565] <... futex resumed>) = 1 [pid 5840] <... close resumed>) = 0 [pid 6568] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6565] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6568] <... futex resumed>) = 1 [pid 6566] <... futex resumed>) = 0 [pid 6563] <... futex resumed>) = 0 [pid 6562] <... futex resumed>) = 1 [pid 6568] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6566] dup(4 [pid 6563] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6566] <... dup resumed>) = 5 [pid 6563] <... futex resumed>) = 0 [pid 6562] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6568] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6566] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6568] <... futex resumed>) = 0 [pid 6563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6562] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6566] <... futex resumed>) = 0 [pid 6563] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... futex resumed>) = 0 [pid 6568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6566] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6567] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] <... futex resumed>) = 0 [pid 6562] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6568] dup(4 [pid 6563] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6568] <... dup resumed>) = 5 [pid 6568] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6563] <... futex resumed>) = 0 [pid 6568] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6567] <... futex resumed>) = 1 [pid 6565] <... futex resumed>) = 0 [pid 6563] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] <... mount resumed>) = 0 [pid 6568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6567] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6565] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] <... futex resumed>) = 0 [ 98.922375][ T6569] loop0: detected capacity change from 0 to 256 ./strace-static-x86_64: Process 6570 attached [pid 6568] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6565] <... futex resumed>) = 0 [pid 6563] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6570] set_robust_list(0x55557a9486a0, 24 [pid 6569] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6567] dup(4 [pid 6565] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6569] <... openat resumed>) = 3 [pid 6567] <... dup resumed>) = 5 [pid 6570] <... set_robust_list resumed>) = 0 [pid 6569] chdir("./bus" [pid 6567] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6570 [pid 6569] <... chdir resumed>) = 0 [pid 6569] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6567] <... futex resumed>) = 1 [pid 6565] <... futex resumed>) = 0 [pid 6570] chdir("./49" [pid 6569] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] <... futex resumed>) = 1 [pid 6565] <... futex resumed>) = 0 [pid 6564] <... futex resumed>) = 0 [pid 6565] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6564] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6564] <... futex resumed>) = 0 [pid 6570] <... chdir resumed>) = 0 [pid 6569] <... openat resumed>) = 4 [pid 6567] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6564] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6569] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6564] <... futex resumed>) = 0 [pid 6564] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6564] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6569] fcntl(-1, F_SETLEASE, F_WRLCK) = -1 EBADF (Bad file descriptor) [pid 6569] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6564] <... futex resumed>) = 0 [pid 6564] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6564] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6569] dup(4) = 5 [pid 6569] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6564] <... futex resumed>) = 0 [pid 6564] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6564] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6569] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6570] setpgid(0, 0) = 0 [pid 6570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6562] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6562] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6570] write(3, "1000", 4 [pid 6562] <... mmap resumed>) = 0x7fee5fb13000 [pid 6562] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6570] <... write resumed>) = 4 [pid 6562] <... mprotect resumed>) = 0 [pid 6570] close(3 [pid 6562] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6570] <... close resumed>) = 0 [pid 6562] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6570] symlink("/dev/binderfs", "./binderfs" [pid 6562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6571 attached executing program [pid 6570] <... symlink resumed>) = 0 [pid 6563] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6571] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6563] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... clone3 resumed> => {parent_tid=[6571]}, 88) = 6571 [pid 6570] write(1, "executing program\n", 18 [pid 6563] <... futex resumed>) = 0 [pid 6571] <... rseq resumed>) = 0 [pid 6570] <... write resumed>) = 18 [pid 6565] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6562] rt_sigprocmask(SIG_SETMASK, [], [pid 6571] set_robust_list(0x7fee5fb339a0, 24 [pid 6570] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] <... mmap resumed>) = 0x7fee5fb13000 [pid 6562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6571] <... set_robust_list resumed>) = 0 [pid 6570] <... futex resumed>) = 0 [pid 6565] <... futex resumed>) = 0 [pid 6563] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6562] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] rt_sigprocmask(SIG_SETMASK, [], [pid 6570] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6563] <... mprotect resumed>) = 0 [pid 6571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6565] <... mmap resumed>) = 0x7fee5fb13000 [pid 6563] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6562] <... futex resumed>) = 0 [pid 6571] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6570] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6565] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6564] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6563] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6562] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6564] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6564] <... futex resumed>) = 0 [pid 6570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6563] <... clone3 resumed> => {parent_tid=[6572]}, 88) = 6572 ./strace-static-x86_64: Process 6572 attached [pid 6571] <... madvise resumed>) = 0 [pid 6570] <... mmap resumed>) = 0x7fee5fb34000 [pid 6565] <... mprotect resumed>) = 0 [pid 6563] rt_sigprocmask(SIG_SETMASK, [], [pid 6572] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6570] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6564] <... mmap resumed>) = 0x7fee5fb13000 [pid 6563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6572] <... rseq resumed>) = 0 [pid 6570] <... mprotect resumed>) = 0 [pid 6565] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6564] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6563] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] set_robust_list(0x7fee5fb339a0, 24 [pid 6571] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6565] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6563] <... futex resumed>) = 0 [pid 6572] <... set_robust_list resumed>) = 0 [pid 6570] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6563] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6573 attached [pid 6571] <... futex resumed>) = 1 [pid 6570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6564] <... mprotect resumed>) = 0 [pid 6562] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6574 attached [pid 6571] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6572] rt_sigprocmask(SIG_SETMASK, [], [pid 6565] <... clone3 resumed> => {parent_tid=[6573]}, 88) = 6573 [pid 6564] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6574] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6570] <... clone3 resumed> => {parent_tid=[6574]}, 88) = 6574 [pid 6565] rt_sigprocmask(SIG_SETMASK, [], [pid 6574] <... rseq resumed>) = 0 [pid 6572] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6570] rt_sigprocmask(SIG_SETMASK, [], [pid 6574] set_robust_list(0x7fee5fb549a0, 24 [pid 6565] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6565] <... futex resumed>) = 0 [pid 6570] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6565] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6574] <... set_robust_list resumed>) = 0 [pid 6573] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6570] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6564] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6573] <... rseq resumed>) = 0 [pid 6564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6574] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6575 attached [pid 6573] set_robust_list(0x7fee5fb339a0, 24 [pid 6575] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6573] <... set_robust_list resumed>) = 0 [pid 6564] <... clone3 resumed> => {parent_tid=[6575]}, 88) = 6575 [pid 6575] <... rseq resumed>) = 0 [pid 6574] memfd_create("syzkaller", 0 [pid 6573] rt_sigprocmask(SIG_SETMASK, [], [pid 6564] rt_sigprocmask(SIG_SETMASK, [], [pid 6575] set_robust_list(0x7fee5fb339a0, 24 [pid 6573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6575] <... set_robust_list resumed>) = 0 [pid 6573] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6564] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] rt_sigprocmask(SIG_SETMASK, [], [pid 6574] <... memfd_create resumed>) = 3 [pid 6564] <... futex resumed>) = 0 [pid 6574] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6564] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6574] <... mmap resumed>) = 0x7fee57600000 [pid 6575] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6574] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6573] <... madvise resumed>) = 0 [pid 6572] <... madvise resumed>) = 0 [pid 6572] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6573] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6565] <... futex resumed>) = 0 [pid 6574] <... write resumed>) = 131072 [pid 6572] <... futex resumed>) = 1 [pid 6563] <... futex resumed>) = 0 [pid 6574] munmap(0x7fee57600000, 138412032 [pid 6572] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6574] <... munmap resumed>) = 0 [pid 6575] <... madvise resumed>) = 0 [pid 6575] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6564] <... futex resumed>) = 0 [pid 6575] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6574] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6574] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6574] close(3) = 0 [pid 6574] close(4) = 0 [pid 6574] mkdir("./bus", 0777) = 0 [pid 6574] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"...) = 0 [pid 6574] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6574] chdir("./bus") = 0 [pid 6574] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6574] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6570] <... futex resumed>) = 0 [pid 6574] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6570] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6570] <... futex resumed>) = 0 [pid 6574] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6570] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6574] <... openat resumed>) = 4 [pid 6574] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] <... futex resumed>) = 0 [pid 6574] <... futex resumed>) = 1 [ 99.126536][ T6574] loop4: detected capacity change from 0 to 256 [pid 6570] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6574] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6569] <... mmap resumed>) = 0x20000000 [pid 6568] <... mmap resumed>) = 0x20000000 [pid 6570] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6569] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] <... mmap resumed>) = 0x20000000 [pid 6574] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6574] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] <... futex resumed>) = 0 [pid 6568] <... futex resumed>) = 0 [pid 6574] <... futex resumed>) = 1 [pid 6570] <... futex resumed>) = 0 [pid 6569] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6568] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6566] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6570] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] <... futex resumed>) = 0 [pid 6564] exit_group(0 [pid 6575] <... futex resumed>) = ? [pid 6574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6570] <... futex resumed>) = 0 [pid 6569] <... futex resumed>) = ? [pid 6567] <... mmap resumed>) = 0x20000000 [pid 6566] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6564] <... exit_group resumed>) = ? [pid 6563] exit_group(0 [pid 6562] exit_group(0 [pid 6575] +++ exited with 0 +++ [pid 6574] dup(4 [pid 6572] <... futex resumed>) = ? [pid 6571] <... futex resumed>) = ? [pid 6570] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6569] +++ exited with 0 +++ [pid 6568] <... futex resumed>) = ? [pid 6567] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] <... futex resumed>) = ? [pid 6563] <... exit_group resumed>) = ? [pid 6562] <... exit_group resumed>) = ? [pid 6574] <... dup resumed>) = 5 [pid 6572] +++ exited with 0 +++ [pid 6571] +++ exited with 0 +++ [pid 6568] +++ exited with 0 +++ [pid 6567] <... futex resumed>) = 0 [pid 6566] +++ exited with 0 +++ [pid 6565] exit_group(0 [pid 6564] +++ exited with 0 +++ [pid 6574] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] <... futex resumed>) = ? [pid 6565] <... exit_group resumed>) = ? [pid 6574] <... futex resumed>) = 1 [pid 6573] +++ exited with 0 +++ [pid 6570] <... futex resumed>) = 0 [pid 6567] +++ exited with 0 +++ [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6564, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6574] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6570] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] +++ exited with 0 +++ [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 6574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6570] <... futex resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6563, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5836] <... restart_syscall resumed>) = 0 [pid 6574] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6570] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] +++ exited with 0 +++ [pid 6565] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6562, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5836] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6565, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5836] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] unlink("./48/binderfs") = 0 [pid 5836] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... restart_syscall resumed>) = 0 [pid 5837] <... restart_syscall resumed>) = 0 [pid 5837] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... openat resumed>) = 3 [pid 5836] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 3 [pid 5837] newfstatat(3, "", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] newfstatat(AT_FDCWD, "./48/bus", [pid 5838] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] getdents64(3, [pid 5839] newfstatat(3, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(3, [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... openat resumed>) = 3 [pid 5837] newfstatat(AT_FDCWD, "./49/binderfs", [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] newfstatat(3, "", [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] unlink("./49/binderfs" [pid 5836] openat(AT_FDCWD, "./48/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... openat resumed>) = 4 [pid 5839] newfstatat(AT_FDCWD, "./48/binderfs", [pid 5838] getdents64(3, [pid 5837] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(4, "", [pid 5838] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./48/binderfs" [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] getdents64(4, [pid 5838] newfstatat(AT_FDCWD, "./49/binderfs", [pid 5837] <... umount2 resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] unlink("./49/binderfs" [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] newfstatat(AT_FDCWD, "./49/bus", [pid 5836] getdents64(4, [pid 5838] <... unlink resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] close(4 [pid 5839] <... umount2 resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 5837] openat(AT_FDCWD, "./49/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... openat resumed>) = 4 [pid 5836] rmdir("./48/bus" [pid 5839] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(4, "", [pid 5836] <... rmdir resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] newfstatat(AT_FDCWD, "./49/bus", [pid 5837] getdents64(4, [pid 5839] newfstatat(AT_FDCWD, "./48/bus", [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] getdents64(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] getdents64(4, [pid 5839] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./49/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] close(4 [pid 5836] close(3 [pid 5839] openat(AT_FDCWD, "./48/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... openat resumed>) = 4 [pid 5837] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 6574] <... mmap resumed>) = 0x20000000 [pid 5839] <... openat resumed>) = 4 [pid 5838] newfstatat(4, "", [pid 5837] rmdir("./49/bus" [pid 5836] rmdir("./48" [pid 5839] newfstatat(4, "", [pid 6574] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 6574] <... futex resumed>) = 1 [pid 6570] <... futex resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, [pid 6574] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6570] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6570] <... futex resumed>) = 0 [pid 5839] getdents64(4, [pid 5837] close(3 [pid 5836] mkdir("./49", 0777 [pid 6570] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] <... close resumed>) = 0 [pid 5838] getdents64(4, [pid 5836] <... mkdir resumed>) = 0 [pid 5837] rmdir("./49" [pid 5839] getdents64(4, [pid 6574] <... madvise resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5839] close(4 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5839] <... close resumed>) = 0 [pid 5836] <... ioctl resumed>) = 0 [pid 5839] rmdir("./48/bus" [pid 5837] mkdir("./50", 0777 [pid 6574] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] getdents64(4, [pid 5836] close(3 [pid 5837] <... mkdir resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] getdents64(3, [pid 6574] <... futex resumed>) = 1 [pid 6570] <... futex resumed>) = 0 [pid 5838] close(4 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] <... close resumed>) = 0 [pid 6570] exit_group(0) = ? [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] close(3) = 0 [pid 5839] rmdir("./48") = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] mkdir("./49", 0777./strace-static-x86_64: Process 6576 attached [pid 5838] rmdir("./49/bus" [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6576] set_robust_list(0x55557a9486a0, 24 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5837] <... ioctl resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6576 [pid 6576] <... set_robust_list resumed>) = 0 [pid 6576] chdir("./49") = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5839] <... openat resumed>) = 3 [pid 6576] setpgid(0, 0) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 6576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] <... ioctl resumed>) = 0 [pid 5839] close(3) = 0 [pid 5837] close(3 [pid 6576] <... openat resumed>) = 3 [pid 5838] getdents64(3, [pid 5837] <... close resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] close(3 [pid 6576] write(3, "1000", 4 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6577 attached [pid 5838] <... close resumed>) = 0 [pid 6577] set_robust_list(0x55557a9486a0, 24 [pid 5838] rmdir("./49" [pid 6577] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6578 attached [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6577 [pid 6578] set_robust_list(0x55557a9486a0, 24 [pid 6577] chdir("./50" [pid 6576] <... write resumed>) = 4 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6578 [pid 5838] <... rmdir resumed>) = 0 [pid 6578] <... set_robust_list resumed>) = 0 [pid 6577] <... chdir resumed>) = 0 [pid 6576] close(3 [pid 5838] mkdir("./50", 0777 [pid 6578] chdir("./49" [pid 6577] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6576] <... close resumed>) = 0 [pid 6577] <... prctl resumed>) = 0 [pid 6576] symlink("/dev/binderfs", "./binderfs" [pid 6578] <... chdir resumed>) = 0 [pid 6577] setpgid(0, 0 [pid 6576] <... symlink resumed>) = 0 executing program [pid 5838] <... mkdir resumed>) = 0 [pid 6578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6577] <... setpgid resumed>) = 0 [pid 6576] write(1, "executing program\n", 18 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6578] <... prctl resumed>) = 0 [pid 6577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6576] <... write resumed>) = 18 [pid 5838] <... openat resumed>) = 3 [pid 6576] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6576] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 6574] +++ exited with 0 +++ [pid 6570] +++ exited with 0 +++ [pid 6577] <... openat resumed>) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 6577] write(3, "1000", 4 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6570, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 6576] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6577] <... write resumed>) = 4 [pid 6578] setpgid(0, 0 [pid 6576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5838] <... ioctl resumed>) = 0 [pid 6578] <... setpgid resumed>) = 0 [pid 6577] close(3 [pid 6576] <... mmap resumed>) = 0x7fee5fb34000 [pid 5840] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] close(3 [pid 6578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6577] <... close resumed>) = 0 [pid 6576] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... close resumed>) = 0 [pid 6577] symlink("/dev/binderfs", "./binderfs" [pid 6576] <... mprotect resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6578] <... openat resumed>) = 3 [pid 6577] <... symlink resumed>) = 0 [pid 6576] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6578] write(3, "1000", 4 [pid 6577] write(1, "executing program\n", 18 [pid 6576] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] <... openat resumed>) = 3 [pid 6578] <... write resumed>) = 4 [pid 6577] <... write resumed>) = 18 [pid 6576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6580 attached ./strace-static-x86_64: Process 6579 attached [pid 6578] close(3 [pid 6577] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] newfstatat(3, "", [pid 6580] set_robust_list(0x55557a9486a0, 24 [pid 6579] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6578] <... close resumed>) = 0 [pid 6577] <... futex resumed>) = 0 [pid 6576] <... clone3 resumed> => {parent_tid=[6579]}, 88) = 6579 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6580] <... set_robust_list resumed>) = 0 [pid 6579] <... rseq resumed>) = 0 [pid 6578] symlink("/dev/binderfs", "./binderfs" [pid 6577] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6576] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] getdents64(3, [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6580 [pid 6580] chdir("./50" [pid 6579] set_robust_list(0x7fee5fb549a0, 24 [pid 6578] <... symlink resumed>) = 0 [pid 6577] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 executing program [pid 6580] <... chdir resumed>) = 0 [pid 6579] <... set_robust_list resumed>) = 0 [pid 6578] write(1, "executing program\n", 18 [pid 6577] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6576] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6579] rt_sigprocmask(SIG_SETMASK, [], [pid 6578] <... write resumed>) = 18 [pid 6577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6576] <... futex resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6580] <... prctl resumed>) = 0 [pid 6579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6578] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6576] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5840] newfstatat(AT_FDCWD, "./49/binderfs", [pid 6580] setpgid(0, 0 [pid 6579] memfd_create("syzkaller", 0 [pid 6578] <... futex resumed>) = 0 [pid 6577] <... mmap resumed>) = 0x7fee5fb34000 [pid 6577] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6580] <... setpgid resumed>) = 0 [pid 6580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6580] write(3, "1000", 4 [pid 6579] <... memfd_create resumed>) = 3 [pid 6578] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6577] <... mprotect resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6580] <... write resumed>) = 4 [pid 6580] close(3 [pid 6579] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6578] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6577] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] unlink("./49/binderfs" [pid 6579] <... mmap resumed>) = 0x7fee57600000 [pid 6578] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6577] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6580] <... close resumed>) = 0 [pid 6578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5840] <... unlink resumed>) = 0 [pid 6580] symlink("/dev/binderfs", "./binderfs" [pid 6578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6581 attached [pid 6580] <... symlink resumed>) = 0 [pid 6579] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6577] <... clone3 resumed> => {parent_tid=[6581]}, 88) = 6581 [pid 5840] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6581] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6580] write(1, "executing program\n", 18executing program [pid 6578] <... mmap resumed>) = 0x7fee5fb34000 [pid 6577] rt_sigprocmask(SIG_SETMASK, [], [pid 6581] <... rseq resumed>) = 0 [pid 6580] <... write resumed>) = 18 [pid 6579] <... write resumed>) = 131072 [pid 6578] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... umount2 resumed>) = 0 [pid 6581] set_robust_list(0x7fee5fb549a0, 24 [pid 6580] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] <... mprotect resumed>) = 0 [pid 6577] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... set_robust_list resumed>) = 0 [pid 6580] <... futex resumed>) = 0 [pid 6578] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6577] <... futex resumed>) = 0 [pid 6581] rt_sigprocmask(SIG_SETMASK, [], [pid 6580] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6579] munmap(0x7fee57600000, 138412032 [pid 6578] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6577] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5840] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6580] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6579] <... munmap resumed>) = 0 [pid 6578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6581] memfd_create("syzkaller", 0 [pid 6580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5840] newfstatat(AT_FDCWD, "./49/bus", ./strace-static-x86_64: Process 6582 attached [pid 6581] <... memfd_create resumed>) = 3 [pid 6580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6579] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6578] <... clone3 resumed> => {parent_tid=[6582]}, 88) = 6582 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6582] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6581] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6579] <... openat resumed>) = 4 [pid 6578] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6582] <... rseq resumed>) = 0 [pid 6581] <... mmap resumed>) = 0x7fee57600000 [pid 6580] <... mmap resumed>) = 0x7fee5fb34000 [pid 6579] ioctl(4, LOOP_SET_FD, 3 [pid 6578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6582] set_robust_list(0x7fee5fb549a0, 24 [pid 6580] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6578] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] openat(AT_FDCWD, "./49/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6580] <... mprotect resumed>) = 0 [pid 5840] <... openat resumed>) = 4 [pid 6580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] newfstatat(4, "", [pid 6580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5840] getdents64(4, ./strace-static-x86_64: Process 6583 attached 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6583] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6580] <... clone3 resumed> => {parent_tid=[6583]}, 88) = 6583 [pid 5840] getdents64(4, [pid 6583] <... rseq resumed>) = 0 [pid 6580] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6583] set_robust_list(0x7fee5fb549a0, 24 [pid 6580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] close(4 [pid 6583] <... set_robust_list resumed>) = 0 [pid 6580] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... close resumed>) = 0 [pid 6583] rt_sigprocmask(SIG_SETMASK, [], [pid 6580] <... futex resumed>) = 0 [pid 5840] rmdir("./49/bus" [pid 6583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6580] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5840] <... rmdir resumed>) = 0 [pid 6583] memfd_create("syzkaller", 0 [pid 6582] <... set_robust_list resumed>) = 0 [pid 6581] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6579] <... ioctl resumed>) = 0 [pid 6578] <... futex resumed>) = 0 [pid 5840] getdents64(3, [pid 6582] rt_sigprocmask(SIG_SETMASK, [], [pid 6578] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6583] <... memfd_create resumed>) = 3 [pid 6582] memfd_create("syzkaller", 0 [pid 6581] <... write resumed>) = 131072 [pid 6579] close(3 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6583] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6582] <... memfd_create resumed>) = 3 [pid 6579] <... close resumed>) = 0 [pid 6582] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6581] munmap(0x7fee57600000, 138412032 [pid 6579] close(4 [pid 5840] close(3 [pid 6583] <... mmap resumed>) = 0x7fee57600000 [pid 6582] <... mmap resumed>) = 0x7fee57600000 [pid 6581] <... munmap resumed>) = 0 [pid 6579] <... close resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 6583] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6582] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6581] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6579] mkdir("./bus", 0777 [pid 5840] rmdir("./49" [pid 6582] <... write resumed>) = 131072 [pid 6581] <... openat resumed>) = 4 [pid 6579] <... mkdir resumed>) = 0 [pid 6579] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 5840] <... rmdir resumed>) = 0 [pid 6581] ioctl(4, LOOP_SET_FD, 3 [pid 6579] <... mount resumed>) = 0 [pid 6582] munmap(0x7fee57600000, 138412032 [pid 6579] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5840] mkdir("./50", 0777 [pid 6582] <... munmap resumed>) = 0 [pid 6579] <... openat resumed>) = 3 [pid 5840] <... mkdir resumed>) = 0 [pid 6582] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 6582] <... openat resumed>) = 4 [pid 6579] chdir("./bus" [pid 5840] ioctl(3, LOOP_CLR_FD [pid 6582] ioctl(4, LOOP_SET_FD, 3 [pid 6579] <... chdir resumed>) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 6579] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6583] <... write resumed>) = 131072 [pid 6581] <... ioctl resumed>) = 0 [pid 6579] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5840] close(3 [pid 6583] munmap(0x7fee57600000, 138412032 [pid 6581] close(3 [pid 6579] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... close resumed>) = 0 [pid 6579] <... futex resumed>) = 1 [pid 6576] <... futex resumed>) = 0 [pid 6583] <... munmap resumed>) = 0 [pid 6582] <... ioctl resumed>) = 0 [pid 6579] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5840] <... close resumed>) = 0 [pid 6583] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6582] close(3 [pid 6579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6576] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6583] <... openat resumed>) = 4 [pid 6582] <... close resumed>) = 0 [pid 6581] close(4 [ 99.406863][ T6579] loop0: detected capacity change from 0 to 256 [ 99.435355][ T6581] loop1: detected capacity change from 0 to 256 [ 99.448001][ T6582] loop3: detected capacity change from 0 to 256 [pid 6579] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6576] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6584 attached [pid 6583] ioctl(4, LOOP_SET_FD, 3 [pid 6582] close(4 [pid 6581] <... close resumed>) = 0 [pid 6579] <... openat resumed>) = 4 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6584 [pid 6584] set_robust_list(0x55557a9486a0, 24 [pid 6583] <... ioctl resumed>) = 0 [pid 6582] <... close resumed>) = 0 [pid 6581] mkdir("./bus", 0777 [pid 6579] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6579] <... futex resumed>) = 0 [pid 6576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6584] <... set_robust_list resumed>) = 0 [pid 6581] <... mkdir resumed>) = 0 [pid 6583] close(3 [pid 6579] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6576] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] mkdir("./bus", 0777 [pid 6584] chdir("./50" [pid 6579] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6576] <... futex resumed>) = 0 [pid 6576] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6579] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6579] <... futex resumed>) = 0 [pid 6576] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6579] dup(4) = 5 [pid 6576] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6582] <... mkdir resumed>) = 0 [pid 6579] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] <... chdir resumed>) = 0 [pid 6576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6579] <... futex resumed>) = 0 [pid 6576] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6579] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6576] <... futex resumed>) = 0 [pid 6584] <... prctl resumed>) = 0 [pid 6583] <... close resumed>) = 0 [pid 6582] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6581] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6576] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6584] setpgid(0, 0 [pid 6583] close(4 [pid 6584] <... setpgid resumed>) = 0 [pid 6583] <... close resumed>) = 0 [pid 6584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6583] mkdir("./bus", 0777) = 0 [pid 6583] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"...) = 0 [pid 6583] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6584] <... openat resumed>) = 3 [pid 6581] <... mount resumed>) = 0 [pid 6583] chdir("./bus") = 0 [pid 6584] write(3, "1000", 4 [pid 6583] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6581] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6584] <... write resumed>) = 4 [pid 6583] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] <... mount resumed>) = 0 [pid 6581] <... openat resumed>) = 3 [pid 6584] close(3 [pid 6583] <... futex resumed>) = 1 [pid 6582] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6581] chdir("./bus" [pid 6580] <... futex resumed>) = 0 [pid 6584] <... close resumed>) = 0 [pid 6583] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6582] <... openat resumed>) = 3 [pid 6581] <... chdir resumed>) = 0 [pid 6580] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] symlink("/dev/binderfs", "./binderfs" [pid 6583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6582] chdir("./bus" [pid 6581] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6580] <... futex resumed>) = 0 [pid 6583] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6581] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6583] <... openat resumed>) = 4 [pid 6582] <... chdir resumed>) = 0 [pid 6580] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6583] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6583] <... futex resumed>) = 0 [pid 6583] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6582] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6582] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6578] <... futex resumed>) = 0 [pid 6582] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6580] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] <... futex resumed>) = 0 [pid 6580] <... futex resumed>) = 1 [pid 6583] fcntl(-1, F_SETLEASE, F_WRLCK) = -1 EBADF (Bad file descriptor) [pid 6578] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6583] <... futex resumed>) = 0 [pid 6581] <... futex resumed>) = 1 [pid 6583] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6581] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6578] <... futex resumed>) = 1 [pid 6584] <... symlink resumed>) = 0 [pid 6580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6578] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6582] <... futex resumed>) = 0 [pid 6577] <... futex resumed>) = 0 [pid 6582] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6577] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] <... openat resumed>) = 4 [pid 6577] <... futex resumed>) = 1 [pid 6582] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6582] <... futex resumed>) = 1 [pid 6578] <... futex resumed>) = 0 [pid 6581] <... futex resumed>) = 0 [pid 6578] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6578] <... futex resumed>) = 0 [pid 6582] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6581] <... openat resumed>) = 4 [pid 6578] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6582] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6581] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... futex resumed>) = 1 [pid 6577] <... futex resumed>) = 0 [pid 6582] <... futex resumed>) = 1 [pid 6581] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6578] <... futex resumed>) = 0 [pid 6577] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6578] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] <... futex resumed>) = 0 [pid 6578] <... futex resumed>) = 0 [pid 6577] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6578] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6584] write(1, "executing program\n", 18 [ 99.463437][ T6583] loop2: detected capacity change from 0 to 256 [pid 6580] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] <... write resumed>) = 18 [pid 6583] <... futex resumed>) = 0 [pid 6582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6580] <... futex resumed>) = 1 [pid 6584] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] dup(4 [pid 6584] <... futex resumed>) = 0 [pid 6583] <... dup resumed>) = 5 [pid 6584] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6583] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6582] dup(4 [pid 6581] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6584] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6583] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6580] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6582] <... dup resumed>) = 5 [pid 6581] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6582] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] <... futex resumed>) = 1 [pid 6581] <... futex resumed>) = 1 [pid 6578] <... futex resumed>) = 0 [pid 6577] <... futex resumed>) = 0 [pid 6582] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6581] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6578] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6578] <... futex resumed>) = 0 [pid 6577] <... futex resumed>) = 0 [pid 6584] <... mmap resumed>) = 0x7fee5fb34000 [pid 6582] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6581] dup(4 [pid 6580] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6577] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6576] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6584] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6581] <... dup resumed>) = 5 [pid 6576] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] <... futex resumed>) = 0 [pid 6580] <... futex resumed>) = 1 [pid 6584] <... mprotect resumed>) = 0 [pid 6583] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6576] <... futex resumed>) = 0 [pid 6580] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6581] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6581] <... futex resumed>) = 0 [pid 6577] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6581] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6577] <... futex resumed>) = 0 [pid 6577] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6576] <... mmap resumed>) = 0x7fee5fb13000 [pid 6584] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6576] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6576] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6584] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6576] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6584] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6585 attached ./strace-static-x86_64: Process 6586 attached [pid 6584] <... clone3 resumed> => {parent_tid=[6585]}, 88) = 6585 [pid 6584] rt_sigprocmask(SIG_SETMASK, [], [pid 6576] <... clone3 resumed> => {parent_tid=[6586]}, 88) = 6586 [pid 6576] rt_sigprocmask(SIG_SETMASK, [], [pid 6584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6584] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6584] <... futex resumed>) = 0 [pid 6576] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6586] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6584] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6576] <... futex resumed>) = 0 [pid 6586] <... rseq resumed>) = 0 [pid 6576] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6586] set_robust_list(0x7fee5fb339a0, 24 [pid 6585] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6586] <... set_robust_list resumed>) = 0 [pid 6585] <... rseq resumed>) = 0 [pid 6586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6585] set_robust_list(0x7fee5fb549a0, 24 [pid 6586] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6585] <... set_robust_list resumed>) = 0 [pid 6585] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6585] memfd_create("syzkaller", 0) = 3 [pid 6585] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6585] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6578] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6578] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6586] <... madvise resumed>) = 0 [pid 6585] <... write resumed>) = 131072 [pid 6580] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6578] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6585] munmap(0x7fee57600000, 138412032 [pid 6578] <... mprotect resumed>) = 0 [pid 6580] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6586] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... munmap resumed>) = 0 [pid 6580] <... futex resumed>) = 0 [pid 6578] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6586] <... futex resumed>) = 1 [pid 6585] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6578] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6576] <... futex resumed>) = 0 [pid 6586] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6585] <... openat resumed>) = 4 [pid 6580] <... mmap resumed>) = 0x7fee5fb13000 [pid 6578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6587 attached [pid 6585] ioctl(4, LOOP_SET_FD, 3 [pid 6580] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6587] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6577] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6577] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] <... mprotect resumed>) = 0 [pid 6577] <... futex resumed>) = 0 [pid 6577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6587] <... rseq resumed>) = 0 [pid 6578] <... clone3 resumed> => {parent_tid=[6587]}, 88) = 6587 [pid 6580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6578] rt_sigprocmask(SIG_SETMASK, [], [pid 6580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6587] set_robust_list(0x7fee5fb339a0, 24 [pid 6578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6587] <... set_robust_list resumed>) = 0 [pid 6578] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] rt_sigprocmask(SIG_SETMASK, [], [pid 6578] <... futex resumed>) = 0 [pid 6587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6578] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6587] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6588 attached [pid 6587] <... madvise resumed>) = 0 [pid 6577] <... mmap resumed>) = 0x7fee5fb13000 [pid 6577] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6577] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6589 attached => {parent_tid=[6589]}, 88) = 6589 [pid 6589] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6588] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6577] rt_sigprocmask(SIG_SETMASK, [], [pid 6580] <... clone3 resumed> => {parent_tid=[6588]}, 88) = 6588 [pid 6589] <... rseq resumed>) = 0 [pid 6588] <... rseq resumed>) = 0 [pid 6585] <... ioctl resumed>) = 0 [pid 6577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6589] set_robust_list(0x7fee5fb339a0, 24 [pid 6588] set_robust_list(0x7fee5fb339a0, 24 [pid 6585] close(3 [pid 6577] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] <... set_robust_list resumed>) = 0 [pid 6588] <... set_robust_list resumed>) = 0 [pid 6585] <... close resumed>) = 0 [pid 6577] <... futex resumed>) = 0 [pid 6589] rt_sigprocmask(SIG_SETMASK, [], [pid 6588] rt_sigprocmask(SIG_SETMASK, [], [pid 6585] close(4 [pid 6589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6577] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6589] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6588] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6589] <... madvise resumed>) = 0 [pid 6580] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6585] <... close resumed>) = 0 [pid 6580] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] mkdir("./bus", 0777 [pid 6580] <... futex resumed>) = 1 [pid 6587] <... futex resumed>) = 1 [pid 6585] <... mkdir resumed>) = 0 [pid 6580] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6578] <... futex resumed>) = 0 [pid 6589] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6585] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6589] <... futex resumed>) = 1 [pid 6577] <... futex resumed>) = 0 [pid 6589] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6588] <... futex resumed>) = 0 [pid 6588] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6585] <... mount resumed>) = 0 [pid 6585] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6585] chdir("./bus") = 0 [pid 6585] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [ 99.608926][ T6585] loop4: detected capacity change from 0 to 256 [pid 6585] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6585] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] <... futex resumed>) = 0 [pid 6584] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... futex resumed>) = 0 [pid 6584] <... futex resumed>) = 1 [pid 6588] <... madvise resumed>) = 0 [pid 6585] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6584] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6588] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... openat resumed>) = 4 [pid 6588] <... futex resumed>) = 1 [pid 6585] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] <... futex resumed>) = 0 [pid 6588] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6585] <... futex resumed>) = 0 [pid 6584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6585] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6584] <... futex resumed>) = 0 [pid 6585] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6584] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6585] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6584] <... futex resumed>) = 0 [pid 6585] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6584] <... futex resumed>) = 0 [pid 6585] dup(4 [pid 6584] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] <... dup resumed>) = 5 [pid 6585] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6584] <... futex resumed>) = 0 [pid 6585] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6584] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6584] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6583] <... mmap resumed>) = 0x20000000 [pid 6583] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... mmap resumed>) = 0x20000000 [pid 6583] <... futex resumed>) = 0 [pid 6582] <... mmap resumed>) = 0x20000000 [pid 6581] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] exit_group(0 [pid 6579] <... mmap resumed>) = 0x20000000 [pid 6588] <... futex resumed>) = ? [pid 6582] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... futex resumed>) = 0 [pid 6580] <... exit_group resumed>) = ? [pid 6588] +++ exited with 0 +++ [pid 6583] +++ exited with 0 +++ [pid 6582] <... futex resumed>) = 0 [pid 6581] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6579] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6579] <... futex resumed>) = 0 [pid 6578] exit_group(0 [pid 6577] exit_group(0 [pid 6585] <... mmap resumed>) = 0x20000000 [pid 6576] exit_group(0 [pid 6589] <... futex resumed>) = ? [pid 6587] <... futex resumed>) = ? [pid 6586] <... futex resumed>) = ? [pid 6585] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] <... futex resumed>) = ? [pid 6581] <... futex resumed>) = ? [pid 6580] +++ exited with 0 +++ [pid 6578] <... exit_group resumed>) = ? [pid 6577] <... exit_group resumed>) = ? [pid 6576] <... exit_group resumed>) = ? [pid 6589] +++ exited with 0 +++ [pid 6587] +++ exited with 0 +++ [pid 6586] +++ exited with 0 +++ [pid 6585] <... futex resumed>) = 1 [pid 6584] <... futex resumed>) = 0 [pid 6582] +++ exited with 0 +++ [pid 6581] +++ exited with 0 +++ [pid 6579] +++ exited with 0 +++ [pid 6577] +++ exited with 0 +++ [pid 6576] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6580, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6585] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6584] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6578] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6577, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6584] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6576, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6578, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5838] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... openat resumed>) = 3 [pid 5836] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", [pid 5836] newfstatat(3, "", [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(3, [pid 5838] getdents64(3, [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6585] <... madvise resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./49/binderfs", [pid 5838] newfstatat(AT_FDCWD, "./50/binderfs", [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6585] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] unlink("./49/binderfs" [pid 6585] <... futex resumed>) = 1 [pid 6584] <... futex resumed>) = 0 [pid 5839] <... restart_syscall resumed>) = 0 [pid 5838] unlink("./50/binderfs" [pid 5837] <... restart_syscall resumed>) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 6585] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] exit_group(0 [pid 5838] <... unlink resumed>) = 0 [pid 5836] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6585] <... futex resumed>) = ? [pid 6584] <... exit_group resumed>) = ? [pid 6585] +++ exited with 0 +++ [pid 5839] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./50/binderfs") = 0 [pid 5837] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = 0 [pid 5839] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 3 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./49/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(3, "", [pid 5838] <... umount2 resumed>) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 5836] openat(AT_FDCWD, "./49/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5837] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(4, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./50/bus", [pid 5838] newfstatat(AT_FDCWD, "./50/bus", [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] getdents64(4, [pid 5838] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./50/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] openat(AT_FDCWD, "./50/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] getdents64(4, [pid 5838] <... openat resumed>) = 4 [pid 5837] <... openat resumed>) = 4 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] newfstatat(4, "", [pid 5836] close(4 [pid 5838] getdents64(4, [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... close resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(4, [pid 5836] rmdir("./49/bus" [pid 5838] getdents64(4, [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... rmdir resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] close(4 [pid 5837] close(4) = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] rmdir("./50/bus" [pid 5838] rmdir("./50/bus" [pid 5837] <... rmdir resumed>) = 0 [pid 5836] getdents64(3, [pid 5838] <... rmdir resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] close(3) = 0 [pid 6584] +++ exited with 0 +++ [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, [pid 5837] getdents64(3, [pid 5836] rmdir("./49" [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6584, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5839] getdents64(3, [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] close(3 [pid 5837] close(3 [pid 5836] <... rmdir resumed>) = 0 [pid 5840] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./49/binderfs", [pid 5838] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] rmdir("./50" [pid 5837] <... close resumed>) = 0 [pid 5836] mkdir("./50", 0777 [pid 5840] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] unlink("./49/binderfs" [pid 5837] rmdir("./50" [pid 5840] <... openat resumed>) = 3 [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5840] newfstatat(3, "", [pid 5839] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] mkdir("./51", 0777 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5840] getdents64(3, [pid 5839] <... umount2 resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... mkdir resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./50/binderfs", [pid 5839] newfstatat(AT_FDCWD, "./49/bus", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./50/binderfs" [pid 5839] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] mkdir("./51", 0777 [pid 5836] <... openat resumed>) = 3 [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5839] openat(AT_FDCWD, "./49/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... mkdir resumed>) = 0 [pid 5840] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 4 [pid 5838] <... openat resumed>) = 3 [pid 5836] <... ioctl resumed>) = 0 [pid 5839] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] close(3 [pid 5838] <... ioctl resumed>) = 0 [pid 5840] <... umount2 resumed>) = 0 [pid 5839] getdents64(4, [pid 5838] close(3 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... close resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] close(4) = 0 [pid 5840] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... close resumed>) = 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] rmdir("./49/bus" [pid 5837] <... ioctl resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./50/bus", ./strace-static-x86_64: Process 6590 attached [pid 5839] <... rmdir resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] close(3 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6590 [pid 6590] set_robust_list(0x55557a9486a0, 24 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6590] <... set_robust_list resumed>) = 0 [pid 5840] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6590] chdir("./50" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] getdents64(3, [pid 5840] openat(AT_FDCWD, "./50/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6590] <... chdir resumed>) = 0 [pid 5840] <... openat resumed>) = 4 [pid 5839] close(3./strace-static-x86_64: Process 6591 attached [pid 5837] <... close resumed>) = 0 [pid 5840] newfstatat(4, "", [pid 5839] <... close resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] getdents64(4, [pid 5839] rmdir("./49" [pid 6591] set_robust_list(0x55557a9486a0, 24 [pid 6590] <... prctl resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6591 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6591] <... set_robust_list resumed>) = 0 [pid 6590] setpgid(0, 0 [pid 5840] getdents64(4, [pid 5839] mkdir("./50", 0777 [pid 6590] <... setpgid resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6592 attached [pid 6591] chdir("./51" [pid 6590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] close(4 [pid 6590] <... openat resumed>) = 3 [pid 6592] set_robust_list(0x55557a9486a0, 24 [pid 6590] write(3, "1000", 4 [pid 5840] <... close resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6592] <... set_robust_list resumed>) = 0 [pid 6590] <... write resumed>) = 4 [pid 5840] rmdir("./50/bus" [pid 6592] chdir("./51" [pid 6590] close(3 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 6590] <... close resumed>) = 0 [pid 6590] symlink("/dev/binderfs", "./binderfs" [pid 6592] <... chdir resumed>) = 0 [pid 6591] <... chdir resumed>) = 0 [pid 6590] <... symlink resumed>) = 0 [pid 6592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] getdents64(3, [pid 6592] <... prctl resumed>) = 0 [pid 6592] setpgid(0, 0 [pid 6590] write(1, "executing program\n", 18 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] ioctl(3, LOOP_CLR_FDexecuting program [pid 6592] <... setpgid resumed>) = 0 [pid 6590] <... write resumed>) = 18 [pid 5840] close(3 [pid 5839] <... ioctl resumed>) = 0 [pid 6592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6590] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... close resumed>) = 0 [pid 5839] close(3 [pid 6591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6590] <... futex resumed>) = 0 [pid 5840] rmdir("./50" [pid 5839] <... close resumed>) = 0 [pid 6592] <... openat resumed>) = 3 [pid 6591] <... prctl resumed>) = 0 [pid 6592] write(3, "1000", 4 [pid 6590] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5840] <... rmdir resumed>) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6592 [pid 6592] <... write resumed>) = 4 [pid 6591] setpgid(0, 0 [pid 6590] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6592] close(3 [pid 6591] <... setpgid resumed>) = 0 [pid 6590] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6592] <... close resumed>) = 0 [pid 6590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] mkdir("./51", 0777 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6592] symlink("/dev/binderfs", "./binderfs" [pid 6591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6593 attached [pid 6592] <... symlink resumed>) = 0 [pid 6590] <... mmap resumed>) = 0x7fee5fb34000 [pid 5840] <... mkdir resumed>) = 0 [pid 6590] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6593] set_robust_list(0x55557a9486a0, 24 [pid 6590] <... mprotect resumed>) = 0 [pid 6593] <... set_robust_list resumed>) = 0 [pid 6592] write(1, "executing program\n", 18executing program [pid 6590] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6593] chdir("./50" [pid 6592] <... write resumed>) = 18 [pid 6591] <... openat resumed>) = 3 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6593 [pid 6592] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... openat resumed>) = 3 [pid 6592] <... futex resumed>) = 0 [pid 6590] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] ioctl(3, LOOP_CLR_FD) = 0 [pid 6593] <... chdir resumed>) = 0 [pid 6593] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6593] <... prctl resumed>) = 0 [pid 6592] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5840] close(3 [pid 6593] setpgid(0, 0 [pid 6592] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6593] <... setpgid resumed>) = 0 [pid 6592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6590] <... clone3 resumed> => {parent_tid=[6594]}, 88) = 6594 ./strace-static-x86_64: Process 6594 attached [pid 6593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6590] rt_sigprocmask(SIG_SETMASK, [], [pid 6593] <... openat resumed>) = 3 [pid 6592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6591] write(3, "1000", 4 [pid 6590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6592] <... mmap resumed>) = 0x7fee5fb34000 [pid 6590] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] write(3, "1000", 4 [pid 6592] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6590] <... futex resumed>) = 0 [pid 6594] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6593] <... write resumed>) = 4 [pid 6592] <... mprotect resumed>) = 0 [pid 6591] <... write resumed>) = 4 [pid 6590] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5840] <... close resumed>) = 0 [pid 6594] <... rseq resumed>) = 0 [pid 6593] close(3 [pid 6592] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6591] close(3 [pid 6594] set_robust_list(0x7fee5fb549a0, 24 [pid 6591] <... close resumed>) = 0 [pid 6594] <... set_robust_list resumed>) = 0 [pid 6591] symlink("/dev/binderfs", "./binderfs" [pid 6594] rt_sigprocmask(SIG_SETMASK, [], [pid 6593] <... close resumed>) = 0 [pid 6592] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6593] symlink("/dev/binderfs", "./binderfs" [pid 6592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6591] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6595 attached [pid 6594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6593] <... symlink resumed>) = 0 executing program [pid 6595] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6593] write(1, "executing program\n", 18 [pid 6592] <... clone3 resumed> => {parent_tid=[6595]}, 88) = 6595 [pid 6595] <... rseq resumed>) = 0 [pid 6593] <... write resumed>) = 18 [pid 6592] rt_sigprocmask(SIG_SETMASK, [], [pid 6595] set_robust_list(0x7fee5fb549a0, 24 [pid 6593] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6595] <... set_robust_list resumed>) = 0 [pid 6595] rt_sigprocmask(SIG_SETMASK, [], [pid 6594] memfd_create("syzkaller", 0 [pid 6593] <... futex resumed>) = 0 [pid 6592] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6595] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6594] <... memfd_create resumed>) = 3 [pid 6593] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6592] <... futex resumed>) = 0 [pid 6591] write(1, "executing program\n", 18 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6595] memfd_create("syzkaller", 0 [pid 6594] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6593] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6592] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6595] <... memfd_create resumed>) = 3 [pid 6594] <... mmap resumed>) = 0x7fee57600000 [pid 6593] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6595] <... mmap resumed>) = 0x7fee57600000 [pid 6593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6591] <... write resumed>) = 18 ./strace-static-x86_64: Process 6596 attached [pid 6595] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6593] <... mmap resumed>) = 0x7fee5fb34000 [pid 6591] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] set_robust_list(0x55557a9486a0, 24 [pid 6593] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6596] <... set_robust_list resumed>) = 0 [pid 6595] <... write resumed>) = 131072 [pid 6594] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6591] <... futex resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6596 [pid 6596] chdir("./51" [pid 6595] munmap(0x7fee57600000, 138412032 [pid 6591] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6593] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6591] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6596] <... chdir resumed>) = 0 [pid 6595] <... munmap resumed>) = 0 [pid 6594] <... write resumed>) = 131072 [pid 6593] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6596] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6595] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6593] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6596] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6597 attached [pid 6596] setpgid(0, 0 [pid 6591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6597] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6596] <... setpgid resumed>) = 0 [pid 6595] <... openat resumed>) = 4 [pid 6597] <... rseq resumed>) = 0 [pid 6597] set_robust_list(0x7fee5fb549a0, 24 [pid 6596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6595] ioctl(4, LOOP_SET_FD, 3 [pid 6593] <... clone3 resumed> => {parent_tid=[6597]}, 88) = 6597 [pid 6591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6597] <... set_robust_list resumed>) = 0 [pid 6591] <... mmap resumed>) = 0x7fee5fb34000 [pid 6591] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6594] munmap(0x7fee57600000, 138412032 [pid 6591] <... mprotect resumed>) = 0 [pid 6597] rt_sigprocmask(SIG_SETMASK, [], [pid 6593] rt_sigprocmask(SIG_SETMASK, [], [pid 6591] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6596] <... openat resumed>) = 3 [pid 6596] write(3, "1000", 4 [pid 6593] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6596] <... write resumed>) = 4 [pid 6593] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6591] <... clone3 resumed> => {parent_tid=[6598]}, 88) = 6598 ./strace-static-x86_64: Process 6598 attached [pid 6597] memfd_create("syzkaller", 0 [pid 6596] close(3 [pid 6595] <... ioctl resumed>) = 0 [pid 6591] rt_sigprocmask(SIG_SETMASK, [], [pid 6598] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6597] <... memfd_create resumed>) = 3 [pid 6596] <... close resumed>) = 0 [pid 6595] close(3 [pid 6591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6598] <... rseq resumed>) = 0 [pid 6597] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6596] symlink("/dev/binderfs", "./binderfs" [pid 6595] <... close resumed>) = 0 [pid 6591] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] set_robust_list(0x7fee5fb549a0, 24 [pid 6597] <... mmap resumed>) = 0x7fee57600000 [pid 6596] <... symlink resumed>) = 0 [pid 6595] close(4 [pid 6594] <... munmap resumed>) = 0 [pid 6591] <... futex resumed>) = 0 [pid 6598] <... set_robust_list resumed>) = 0 [pid 6597] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072executing program [pid 6596] write(1, "executing program\n", 18 [pid 6595] <... close resumed>) = 0 [pid 6594] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6591] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6598] rt_sigprocmask(SIG_SETMASK, [], [pid 6596] <... write resumed>) = 18 [pid 6595] mkdir("./bus", 0777 [pid 6594] <... openat resumed>) = 4 [pid 6598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6596] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] ioctl(4, LOOP_SET_FD, 3 [pid 6598] memfd_create("syzkaller", 0 [pid 6597] <... write resumed>) = 131072 [pid 6596] <... futex resumed>) = 0 [pid 6595] <... mkdir resumed>) = 0 [pid 6598] <... memfd_create resumed>) = 3 [pid 6597] munmap(0x7fee57600000, 138412032 [pid 6596] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6595] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6598] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 99.951463][ T6595] loop1: detected capacity change from 0 to 256 [ 99.987903][ T6594] loop0: detected capacity change from 0 to 256 [pid 6597] <... munmap resumed>) = 0 [pid 6596] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6594] <... ioctl resumed>) = 0 [pid 6598] <... mmap resumed>) = 0x7fee57600000 [pid 6597] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6596] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6598] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6597] <... openat resumed>) = 4 [pid 6596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6595] <... mount resumed>) = 0 [pid 6597] ioctl(4, LOOP_SET_FD, 3 [pid 6596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6595] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6594] close(3 [pid 6598] <... write resumed>) = 131072 [pid 6597] <... ioctl resumed>) = 0 [pid 6596] <... mmap resumed>) = 0x7fee5fb34000 [pid 6595] <... openat resumed>) = 3 [pid 6594] <... close resumed>) = 0 [pid 6597] close(3 [pid 6596] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6597] <... close resumed>) = 0 [pid 6596] <... mprotect resumed>) = 0 [pid 6597] close(4 [pid 6596] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6598] munmap(0x7fee57600000, 138412032 [pid 6596] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6595] chdir("./bus" [pid 6594] close(4 [pid 6598] <... munmap resumed>) = 0 [pid 6597] <... close resumed>) = 0 [pid 6596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6595] <... chdir resumed>) = 0 [pid 6594] <... close resumed>) = 0 ./strace-static-x86_64: Process 6599 attached [pid 6598] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6597] mkdir("./bus", 0777 [pid 6595] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6594] mkdir("./bus", 0777 [pid 6599] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6598] <... openat resumed>) = 4 [pid 6597] <... mkdir resumed>) = 0 [pid 6596] <... clone3 resumed> => {parent_tid=[6599]}, 88) = 6599 [pid 6595] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6594] <... mkdir resumed>) = 0 [pid 6599] <... rseq resumed>) = 0 [pid 6598] ioctl(4, LOOP_SET_FD, 3 [pid 6597] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6596] rt_sigprocmask(SIG_SETMASK, [], [pid 6595] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6599] set_robust_list(0x7fee5fb549a0, 24 [pid 6596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6595] <... futex resumed>) = 1 [pid 6596] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6596] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6595] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6592] <... futex resumed>) = 0 [pid 6599] <... set_robust_list resumed>) = 0 [pid 6592] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] rt_sigprocmask(SIG_SETMASK, [], [pid 6595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6595] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6592] <... futex resumed>) = 0 [pid 6599] memfd_create("syzkaller", 0 [pid 6595] <... openat resumed>) = 4 [pid 6592] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6599] <... memfd_create resumed>) = 3 [pid 6599] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6595] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] <... mount resumed>) = 0 [pid 6599] <... mmap resumed>) = 0x7fee57600000 [pid 6595] <... futex resumed>) = 1 [pid 6594] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6592] <... futex resumed>) = 0 [pid 6595] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6594] <... openat resumed>) = 3 [pid 6599] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6594] chdir("./bus" [pid 6592] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] <... mount resumed>) = 0 [pid 6594] <... chdir resumed>) = 0 [pid 6597] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6595] <... futex resumed>) = 0 [pid 6592] <... futex resumed>) = 1 [pid 6594] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6597] <... openat resumed>) = 3 [pid 6595] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6592] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6597] chdir("./bus" [pid 6595] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6595] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6592] <... futex resumed>) = 0 [pid 6595] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6592] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6592] <... futex resumed>) = 0 [pid 6597] <... chdir resumed>) = 0 [pid 6595] dup(4 [pid 6592] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6597] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6595] <... dup resumed>) = 5 [pid 6595] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6599] <... write resumed>) = 131072 [pid 6597] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6595] <... futex resumed>) = 1 [pid 6594] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] <... futex resumed>) = 0 [pid 6595] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6594] <... futex resumed>) = 1 [pid 6592] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] <... futex resumed>) = 0 [pid 6599] munmap(0x7fee57600000, 138412032 [pid 6598] <... ioctl resumed>) = 0 [pid 6597] <... futex resumed>) = 1 [pid 6595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6594] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6593] <... futex resumed>) = 0 [pid 6592] <... futex resumed>) = 0 [pid 6598] close(3 [pid 6597] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6595] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6593] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6590] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... munmap resumed>) = 0 [pid 6598] <... close resumed>) = 0 [pid 6593] <... futex resumed>) = 0 [pid 6599] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6598] close(4 [pid 6597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6594] <... futex resumed>) = 0 [pid 6593] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6590] <... futex resumed>) = 1 [pid 6598] <... close resumed>) = 0 [pid 6597] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6594] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6599] <... openat resumed>) = 4 [pid 6590] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6594] <... openat resumed>) = 4 [pid 6599] ioctl(4, LOOP_SET_FD, 3 [pid 6597] <... openat resumed>) = 4 [ 100.001422][ T6597] loop3: detected capacity change from 0 to 256 [ 100.021556][ T6598] loop2: detected capacity change from 0 to 256 [pid 6594] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] mkdir("./bus", 0777) = 0 [pid 6594] <... futex resumed>) = 1 [pid 6598] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6594] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6597] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6598] <... mount resumed>) = 0 [pid 6598] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6598] chdir("./bus") = 0 [pid 6598] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6598] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6591] <... futex resumed>) = 0 [pid 6598] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6591] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6591] <... futex resumed>) = 0 [pid 6598] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6591] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6598] <... openat resumed>) = 4 [pid 6597] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6593] <... futex resumed>) = 0 [pid 6590] <... futex resumed>) = 0 [pid 6590] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] <... futex resumed>) = 1 [pid 6593] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... ioctl resumed>) = 0 [pid 6598] <... futex resumed>) = 1 [pid 6597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6594] <... futex resumed>) = 0 [pid 6593] <... futex resumed>) = 0 [pid 6591] <... futex resumed>) = 0 [pid 6590] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6599] close(3 [pid 6598] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6597] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6594] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6593] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6591] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... close resumed>) = 0 [pid 6598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6597] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6594] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6591] <... futex resumed>) = 0 [pid 6599] close(4 [pid 6598] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6597] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6599] <... close resumed>) = 0 [pid 6598] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6597] <... futex resumed>) = 1 [pid 6594] <... futex resumed>) = 1 [pid 6593] <... futex resumed>) = 0 [pid 6590] <... futex resumed>) = 0 [pid 6599] mkdir("./bus", 0777 [pid 6598] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6594] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6593] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6593] <... futex resumed>) = 0 [pid 6590] <... futex resumed>) = 0 [pid 6597] dup(4 [pid 6594] dup(4 [pid 6593] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6590] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6597] <... dup resumed>) = 5 [pid 6594] <... dup resumed>) = 5 [pid 6599] <... mkdir resumed>) = 0 [pid 6597] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6598] <... futex resumed>) = 1 [pid 6593] <... futex resumed>) = 0 [pid 6592] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6594] <... futex resumed>) = 1 [pid 6591] <... futex resumed>) = 0 [pid 6590] <... futex resumed>) = 0 [pid 6597] <... futex resumed>) = 1 [pid 6594] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6593] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6593] <... futex resumed>) = 0 [pid 6590] <... futex resumed>) = 0 [pid 6598] dup(4 [ 100.056186][ T6599] loop4: detected capacity change from 0 to 256 [pid 6591] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] <... dup resumed>) = 5 [pid 6591] <... futex resumed>) = 0 [pid 6598] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6598] <... futex resumed>) = 0 [pid 6591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6598] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6591] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6590] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6591] <... futex resumed>) = 0 [pid 6598] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6591] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6592] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6599] <... mount resumed>) = 0 [pid 6599] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6592] <... mmap resumed>) = 0x7fee5fb13000 [pid 6599] chdir("./bus" [pid 6592] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6599] <... chdir resumed>) = 0 [pid 6599] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6592] <... mprotect resumed>) = 0 [pid 6599] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6592] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6599] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6599] <... futex resumed>) = 1 [pid 6596] <... futex resumed>) = 0 [pid 6592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6600 attached [pid 6599] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6596] <... futex resumed>) = 0 [pid 6592] <... clone3 resumed> => {parent_tid=[6600]}, 88) = 6600 [pid 6592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6600] <... rseq resumed>) = 0 [pid 6599] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6596] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6592] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6599] <... openat resumed>) = 4 [pid 6599] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] set_robust_list(0x7fee5fb339a0, 24 [pid 6592] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6600] <... set_robust_list resumed>) = 0 [pid 6599] <... futex resumed>) = 1 [pid 6596] <... futex resumed>) = 0 [pid 6600] rt_sigprocmask(SIG_SETMASK, [], [pid 6599] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6596] <... futex resumed>) = 0 [pid 6600] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6596] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6599] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6600] <... madvise resumed>) = 0 [pid 6599] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6600] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6591] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] <... futex resumed>) = 1 [pid 6591] <... futex resumed>) = 0 [pid 6600] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6599] <... futex resumed>) = 1 [pid 6596] <... futex resumed>) = 0 [pid 6593] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6592] <... futex resumed>) = 0 [pid 6591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6590] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6599] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6596] <... futex resumed>) = 0 [pid 6593] <... futex resumed>) = 0 [pid 6591] <... mmap resumed>) = 0x7fee5fb13000 [pid 6590] <... futex resumed>) = 0 [pid 6599] dup(4 [pid 6596] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6591] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6599] <... dup resumed>) = 5 [pid 6593] <... mmap resumed>) = 0x7fee5fb13000 [pid 6599] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] <... mprotect resumed>) = 0 [pid 6590] <... mmap resumed>) = 0x7fee5fb13000 [pid 6593] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6599] <... futex resumed>) = 0 [pid 6599] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6593] <... mprotect resumed>) = 0 [pid 6591] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6590] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6593] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6591] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6590] <... mprotect resumed>) = 0 [pid 6593] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6590] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6601 attached [pid 6591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6590] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6593] <... clone3 resumed> => {parent_tid=[6601]}, 88) = 6601 ./strace-static-x86_64: Process 6602 attached [pid 6593] rt_sigprocmask(SIG_SETMASK, [], [pid 6590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6603 attached [pid 6602] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6601] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6596] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6591] <... clone3 resumed> => {parent_tid=[6602]}, 88) = 6602 [pid 6602] <... rseq resumed>) = 0 [pid 6593] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] rt_sigprocmask(SIG_SETMASK, [], [pid 6590] <... clone3 resumed> => {parent_tid=[6603]}, 88) = 6603 [pid 6602] set_robust_list(0x7fee5fb339a0, 24 [pid 6601] <... rseq resumed>) = 0 [pid 6593] <... futex resumed>) = 0 [pid 6603] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6602] <... set_robust_list resumed>) = 0 [pid 6590] rt_sigprocmask(SIG_SETMASK, [], [pid 6603] <... rseq resumed>) = 0 [pid 6602] rt_sigprocmask(SIG_SETMASK, [], [pid 6601] set_robust_list(0x7fee5fb339a0, 24 [pid 6599] <... futex resumed>) = 0 [pid 6596] <... futex resumed>) = 1 [pid 6593] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6603] set_robust_list(0x7fee5fb339a0, 24 [pid 6602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6601] <... set_robust_list resumed>) = 0 [pid 6602] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6601] rt_sigprocmask(SIG_SETMASK, [], [pid 6591] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6591] <... futex resumed>) = 1 [pid 6602] <... futex resumed>) = 0 [pid 6603] <... set_robust_list resumed>) = 0 [pid 6602] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6601] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6599] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6591] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6590] <... futex resumed>) = 0 [pid 6590] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6602] <... madvise resumed>) = 0 [pid 6601] <... madvise resumed>) = 0 [pid 6603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6603] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6602] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6601] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6603] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6602] <... futex resumed>) = 1 [pid 6601] <... futex resumed>) = 1 [pid 6597] <... mmap resumed>) = 0x20000000 [pid 6593] <... futex resumed>) = 0 [pid 6591] <... futex resumed>) = 0 [pid 6603] <... futex resumed>) = 1 [pid 6602] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6601] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6597] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6595] <... mmap resumed>) = 0x20000000 [pid 6593] exit_group(0 [pid 6590] <... futex resumed>) = 0 [pid 6603] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6601] <... futex resumed>) = ? [pid 6597] <... futex resumed>) = ? [pid 6595] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] <... exit_group resumed>) = ? [pid 6592] exit_group(0 [pid 6601] +++ exited with 0 +++ [pid 6597] +++ exited with 0 +++ [pid 6592] <... exit_group resumed>) = ? [pid 6600] <... futex resumed>) = ? [pid 6595] <... futex resumed>) = ? [pid 6600] +++ exited with 0 +++ [pid 6598] <... mmap resumed>) = 0x20000000 [pid 6594] <... mmap resumed>) = 0x20000000 [pid 6594] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6594] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6593] +++ exited with 0 +++ [pid 6598] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6598] <... futex resumed>) = 0 [pid 6596] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] exit_group(0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6593, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6603] <... futex resumed>) = ? [pid 6598] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] <... futex resumed>) = 0 [pid 6594] <... futex resumed>) = ? [pid 6590] <... exit_group resumed>) = ? [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 6603] +++ exited with 0 +++ [pid 6599] <... mmap resumed>) = 0x20000000 [pid 6596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6595] +++ exited with 0 +++ [pid 6592] +++ exited with 0 +++ [pid 6591] exit_group(0 [pid 6602] <... futex resumed>) = ? [pid 6599] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] <... futex resumed>) = ? [pid 6596] <... mmap resumed>) = 0x7fee5fb13000 [pid 6591] <... exit_group resumed>) = ? [pid 6602] +++ exited with 0 +++ [pid 6599] <... futex resumed>) = 0 [pid 6598] +++ exited with 0 +++ [pid 6596] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 5839] <... restart_syscall resumed>) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6592, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 6596] <... mprotect resumed>) = 0 [pid 6599] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6594] +++ exited with 0 +++ [pid 6590] +++ exited with 0 +++ [pid 6596] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5839] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6604 attached [pid 5839] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6590, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6604] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6596] <... clone3 resumed> => {parent_tid=[6604]}, 88) = 6604 [pid 5839] <... openat resumed>) = 3 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 6604] <... rseq resumed>) = 0 [pid 6596] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] newfstatat(3, "", [pid 6604] set_robust_list(0x7fee5fb339a0, 24 [pid 6596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6604] <... set_robust_list resumed>) = 0 [pid 6596] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] getdents64(3, [pid 6604] rt_sigprocmask(SIG_SETMASK, [], [pid 6596] <... futex resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] <... openat resumed>) = 3 [pid 6604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6596] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] newfstatat(3, "", [pid 6604] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6591] +++ exited with 0 +++ [pid 5839] newfstatat(AT_FDCWD, "./50/binderfs", [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6591, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5837] getdents64(3, [pid 5836] <... restart_syscall resumed>) = 0 [pid 6604] <... madvise resumed>) = 0 [pid 5839] unlink("./50/binderfs" [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6604] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... unlink resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6604] <... futex resumed>) = 1 [pid 6596] <... futex resumed>) = 0 [pid 5839] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... restart_syscall resumed>) = 0 [pid 5837] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6604] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] exit_group(0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6604] <... futex resumed>) = ? [pid 6599] <... futex resumed>) = ? [pid 6596] <... exit_group resumed>) = ? [pid 6604] +++ exited with 0 +++ [pid 5836] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = 0 [pid 5838] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./51/binderfs", [pid 5836] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] newfstatat(AT_FDCWD, "./50/bus", [pid 5838] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5839] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... openat resumed>) = 3 [pid 5836] newfstatat(3, "", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(3, "", [pid 5839] openat(AT_FDCWD, "./50/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] unlink("./51/binderfs" [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... openat resumed>) = 4 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] newfstatat(4, "", [pid 5836] getdents64(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... unlink resumed>) = 0 [pid 5838] getdents64(3, [pid 5839] close(4 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... close resumed>) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 5836] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] unlink("./50/binderfs") = 0 [pid 5837] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./51/bus", [pid 6599] +++ exited with 0 +++ [pid 6596] +++ exited with 0 +++ [pid 5839] rmdir("./50/bus" [pid 5838] unlink("./51/binderfs" [pid 5836] <... umount2 resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6596, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(3, [pid 5838] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] openat(AT_FDCWD, "./51/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] close(3 [pid 5837] <... openat resumed>) = 4 [pid 5836] newfstatat(AT_FDCWD, "./50/bus", [pid 5840] <... openat resumed>) = 3 [pid 5837] newfstatat(4, "", [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 5839] rmdir("./50" [pid 5838] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5836] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] getdents64(4, [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] openat(AT_FDCWD, "./50/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5837] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] newfstatat(4, "", [pid 5837] close(4 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] getdents64(4, [pid 5837] rmdir("./51/bus" [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] mkdir("./51", 0777 [pid 5838] newfstatat(AT_FDCWD, "./51/bus", [pid 5840] newfstatat(3, "", [pid 5836] getdents64(4, [pid 5837] <... rmdir resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] getdents64(3, [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] getdents64(3, [pid 5838] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] close(4 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] close(3 [pid 5836] <... close resumed>) = 0 [pid 5840] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] openat(AT_FDCWD, "./51/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... close resumed>) = 0 [pid 5836] rmdir("./50/bus" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] <... openat resumed>) = 4 [pid 5840] newfstatat(AT_FDCWD, "./51/binderfs", [pid 5839] <... openat resumed>) = 3 [pid 5837] rmdir("./51" [pid 5836] <... rmdir resumed>) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... ioctl resumed>) = 0 [pid 5838] newfstatat(4, "", [pid 5839] close(3 [pid 5840] unlink("./51/binderfs" [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] getdents64(3, [pid 5839] <... close resumed>) = 0 [pid 5838] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(4, [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5838] close(4 [pid 5836] close(3 [pid 5838] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5838] rmdir("./51/bus" [pid 5837] mkdir("./52", 0777 [pid 5836] rmdir("./50" [pid 5840] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... rmdir resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5840] <... umount2 resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] getdents64(3, [pid 5837] <... openat resumed>) = 3 [pid 5836] mkdir("./51", 0777 [pid 5840] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5836] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6605 attached [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] close(3 [pid 5837] <... ioctl resumed>) = 0 [pid 6605] set_robust_list(0x55557a9486a0, 24 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6605 [pid 6605] <... set_robust_list resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./51/bus", [pid 5838] <... close resumed>) = 0 [pid 5837] close(3 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6605] chdir("./51" [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] rmdir("./51" [pid 5837] <... close resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5840] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... rmdir resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] mkdir("./52", 0777 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6605] <... chdir resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./51/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... mkdir resumed>) = 0 [pid 5840] <... openat resumed>) = 4 [pid 5840] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(4, [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6606 [pid 5836] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6606 attached [pid 6605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] <... openat resumed>) = 3 [pid 5836] <... ioctl resumed>) = 0 [pid 5840] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5836] close(3 [pid 6606] set_robust_list(0x55557a9486a0, 24 [pid 6605] <... prctl resumed>) = 0 [pid 5840] close(4 [pid 5838] <... ioctl resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 6606] <... set_robust_list resumed>) = 0 [pid 6605] setpgid(0, 0 [pid 5840] <... close resumed>) = 0 [pid 6605] <... setpgid resumed>) = 0 [pid 5838] close(3 [pid 6606] chdir("./52" [pid 6605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] rmdir("./51/bus" [pid 5838] <... close resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 6605] <... openat resumed>) = 3 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6605] write(3, "1000", 4./strace-static-x86_64: Process 6607 attached ) = 4 [pid 6605] close(3 [pid 5840] getdents64(3, [pid 6606] <... chdir resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6605] <... close resumed>) = 0 [pid 6607] set_robust_list(0x55557a9486a0, 24 [pid 6606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6605] symlink("/dev/binderfs", "./binderfs" [pid 5840] close(3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6608 attached [pid 6607] <... set_robust_list resumed>) = 0 [pid 6605] <... symlink resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 6607] chdir("./51" [pid 6605] write(1, "executing program\n", 18executing program [pid 5840] rmdir("./51" [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6607 [pid 6606] <... prctl resumed>) = 0 [pid 6605] <... write resumed>) = 18 [pid 5840] <... rmdir resumed>) = 0 [pid 6605] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] setpgid(0, 0 [pid 6608] set_robust_list(0x55557a9486a0, 24 [pid 6607] <... chdir resumed>) = 0 [pid 6606] <... setpgid resumed>) = 0 [pid 6605] <... futex resumed>) = 0 [pid 6607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6605] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5840] mkdir("./52", 0777 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6608 [pid 6608] <... set_robust_list resumed>) = 0 [pid 6607] <... prctl resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 6608] chdir("./52" [pid 6607] setpgid(0, 0 [pid 6606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6608] <... chdir resumed>) = 0 [pid 6607] <... setpgid resumed>) = 0 [pid 6607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6608] setpgid(0, 0 [pid 5840] <... openat resumed>) = 3 [pid 6607] <... openat resumed>) = 3 [pid 6608] <... setpgid resumed>) = 0 [pid 6608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] ioctl(3, LOOP_CLR_FD [pid 6607] write(3, "1000", 4 [pid 5840] <... ioctl resumed>) = 0 [pid 6608] <... openat resumed>) = 3 [pid 6607] <... write resumed>) = 4 [pid 5840] close(3 [pid 6608] write(3, "1000", 4 [pid 6607] close(3 [pid 6606] <... openat resumed>) = 3 [pid 6605] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6608] <... write resumed>) = 4 [pid 6607] <... close resumed>) = 0 [pid 6606] write(3, "1000", 4 [pid 6605] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5840] <... close resumed>) = 0 [pid 6608] close(3 [pid 6607] symlink("/dev/binderfs", "./binderfs" [pid 6606] <... write resumed>) = 4 [pid 6605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6607] <... symlink resumed>) = 0 [pid 6606] close(3 [pid 6605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6608] <... close resumed>) = 0 [pid 6607] write(1, "executing program\n", 18executing program [pid 6606] <... close resumed>) = 0 [pid 6605] <... mmap resumed>) = 0x7fee5fb34000 [pid 6608] symlink("/dev/binderfs", "./binderfs" [pid 6607] <... write resumed>) = 18 [pid 6606] symlink("/dev/binderfs", "./binderfs" [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6605] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6608] <... symlink resumed>) = 0 [pid 6607] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] <... symlink resumed>) = 0 [pid 6605] <... mprotect resumed>) = 0 [pid 6607] <... futex resumed>) = 0 executing program executing program [pid 6606] write(1, "executing program\n", 18./strace-static-x86_64: Process 6609 attached [pid 6608] write(1, "executing program\n", 18 [pid 6607] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6606] <... write resumed>) = 18 [pid 6605] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6609] set_robust_list(0x55557a9486a0, 24 [pid 6608] <... write resumed>) = 18 [pid 6607] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6606] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] <... set_robust_list resumed>) = 0 [pid 6608] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6606] <... futex resumed>) = 0 [pid 6605] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6609 [pid 6609] chdir("./52" [pid 6608] <... futex resumed>) = 0 [pid 6607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6606] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6605] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6608] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6609] <... chdir resumed>) = 0 [pid 6609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6609] setpgid(0, 0) = 0 [pid 6608] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6608] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6607] <... mmap resumed>) = 0x7fee5fb34000 ./strace-static-x86_64: Process 6610 attached [pid 6606] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6609] <... openat resumed>) = 3 [pid 6608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6607] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6607] <... mprotect resumed>) = 0 [pid 6606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6610] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6608] <... mmap resumed>) = 0x7fee5fb34000 [pid 6607] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6605] <... clone3 resumed> => {parent_tid=[6610]}, 88) = 6610 [pid 6610] <... rseq resumed>) = 0 [pid 6609] write(3, "1000", 4 [pid 6608] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6605] rt_sigprocmask(SIG_SETMASK, [], [pid 6610] set_robust_list(0x7fee5fb549a0, 24 [pid 6609] <... write resumed>) = 4 [pid 6608] <... mprotect resumed>) = 0 [pid 6607] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6610] <... set_robust_list resumed>) = 0 [pid 6609] close(3 [pid 6608] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6606] <... mmap resumed>) = 0x7fee5fb34000 [pid 6605] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6611 attached [pid 6609] <... close resumed>) = 0 [pid 6608] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6611] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6609] symlink("/dev/binderfs", "./binderfs" [pid 6608] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6607] <... clone3 resumed> => {parent_tid=[6611]}, 88) = 6611 [pid 6611] <... rseq resumed>) = 0 [pid 6609] <... symlink resumed>) = 0 [pid 6607] rt_sigprocmask(SIG_SETMASK, [], [pid 6611] set_robust_list(0x7fee5fb549a0, 24executing program [pid 6609] write(1, "executing program\n", 18 [pid 6608] <... clone3 resumed> => {parent_tid=[6612]}, 88) = 6612 [pid 6607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6611] <... set_robust_list resumed>) = 0 [pid 6609] <... write resumed>) = 18 [pid 6608] rt_sigprocmask(SIG_SETMASK, [], [pid 6607] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] rt_sigprocmask(SIG_SETMASK, [], [pid 6609] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6607] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6612 attached [pid 6611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6610] rt_sigprocmask(SIG_SETMASK, [], [pid 6609] <... futex resumed>) = 0 [pid 6608] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6607] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6606] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6605] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6611] memfd_create("syzkaller", 0 [pid 6610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6609] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6608] <... futex resumed>) = 0 [pid 6605] <... futex resumed>) = 0 [pid 6606] <... mprotect resumed>) = 0 [pid 6612] <... rseq resumed>) = 0 [pid 6611] <... memfd_create resumed>) = 3 [pid 6609] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6608] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6605] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6612] set_robust_list(0x7fee5fb549a0, 24 [pid 6611] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6610] memfd_create("syzkaller", 0 [pid 6609] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6606] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6612] <... set_robust_list resumed>) = 0 [pid 6611] <... mmap resumed>) = 0x7fee57600000 [pid 6610] <... memfd_create resumed>) = 3 [pid 6609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6606] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6612] rt_sigprocmask(SIG_SETMASK, [], [pid 6611] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6610] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6610] <... mmap resumed>) = 0x7fee57600000 ./strace-static-x86_64: Process 6613 attached [pid 6609] <... mmap resumed>) = 0x7fee5fb34000 [pid 6610] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6609] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6613] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6612] memfd_create("syzkaller", 0 [pid 6609] <... mprotect resumed>) = 0 [pid 6611] <... write resumed>) = 131072 [pid 6609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6613] <... rseq resumed>) = 0 [pid 6612] <... memfd_create resumed>) = 3 [pid 6611] munmap(0x7fee57600000, 138412032 [pid 6610] <... write resumed>) = 131072 [pid 6606] <... clone3 resumed> => {parent_tid=[6613]}, 88) = 6613 [pid 6613] set_robust_list(0x7fee5fb549a0, 24 [pid 6612] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6611] <... munmap resumed>) = 0 [pid 6610] munmap(0x7fee57600000, 138412032 [pid 6609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6606] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6614 attached [pid 6613] <... set_robust_list resumed>) = 0 [pid 6612] <... mmap resumed>) = 0x7fee57600000 [pid 6611] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6610] <... munmap resumed>) = 0 [pid 6606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6613] rt_sigprocmask(SIG_SETMASK, [], [pid 6606] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6611] <... openat resumed>) = 4 [pid 6610] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6609] <... clone3 resumed> => {parent_tid=[6614]}, 88) = 6614 [pid 6606] <... futex resumed>) = 0 [pid 6614] <... rseq resumed>) = 0 [pid 6613] memfd_create("syzkaller", 0 [pid 6612] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6611] ioctl(4, LOOP_SET_FD, 3 [pid 6610] <... openat resumed>) = 4 [pid 6609] rt_sigprocmask(SIG_SETMASK, [], [pid 6606] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6613] <... memfd_create resumed>) = 3 [pid 6610] ioctl(4, LOOP_SET_FD, 3 [pid 6613] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6614] set_robust_list(0x7fee5fb549a0, 24 [pid 6609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6613] <... mmap resumed>) = 0x7fee57600000 [pid 6612] <... write resumed>) = 131072 [pid 6609] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... set_robust_list resumed>) = 0 [pid 6614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6613] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6612] munmap(0x7fee57600000, 138412032) = 0 [pid 6609] <... futex resumed>) = 0 [pid 6613] <... write resumed>) = 131072 [pid 6614] memfd_create("syzkaller", 0 [pid 6613] munmap(0x7fee57600000, 138412032 [pid 6612] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6610] <... ioctl resumed>) = 0 [pid 6613] <... munmap resumed>) = 0 [pid 6610] close(3 [pid 6609] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6614] <... memfd_create resumed>) = 3 [pid 6612] <... openat resumed>) = 4 [pid 6610] <... close resumed>) = 0 [pid 6614] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6613] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6614] <... mmap resumed>) = 0x7fee57600000 [pid 6612] ioctl(4, LOOP_SET_FD, 3 [pid 6611] <... ioctl resumed>) = 0 [pid 6610] close(4 [pid 6614] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6613] <... openat resumed>) = 4 [pid 6614] <... write resumed>) = 131072 [pid 6613] ioctl(4, LOOP_SET_FD, 3 [pid 6612] <... ioctl resumed>) = 0 [pid 6611] close(3 [pid 6610] <... close resumed>) = 0 [pid 6614] munmap(0x7fee57600000, 138412032 [pid 6613] <... ioctl resumed>) = 0 [pid 6611] <... close resumed>) = 0 [pid 6610] mkdir("./bus", 0777 [pid 6614] <... munmap resumed>) = 0 [pid 6612] close(3) = 0 [ 100.483318][ T6610] loop3: detected capacity change from 0 to 256 [ 100.483920][ T6611] loop0: detected capacity change from 0 to 256 [ 100.507592][ T6612] loop2: detected capacity change from 0 to 256 [ 100.522142][ T6613] loop1: detected capacity change from 0 to 256 [pid 6612] close(4 [pid 6614] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6614] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6613] close(3 [pid 6612] <... close resumed>) = 0 [pid 6611] close(4 [pid 6610] <... mkdir resumed>) = 0 [pid 6614] close(3 [pid 6613] <... close resumed>) = 0 [pid 6611] <... close resumed>) = 0 [pid 6610] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6614] <... close resumed>) = 0 [pid 6613] close(4 [pid 6612] mkdir("./bus", 0777 [pid 6611] mkdir("./bus", 0777 [pid 6610] <... mount resumed>) = 0 [pid 6614] close(4 [pid 6613] <... close resumed>) = 0 [pid 6614] <... close resumed>) = 0 [pid 6613] mkdir("./bus", 0777 [pid 6612] <... mkdir resumed>) = 0 [pid 6611] <... mkdir resumed>) = 0 [pid 6610] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6614] mkdir("./bus", 0777 [pid 6613] <... mkdir resumed>) = 0 [pid 6612] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6610] <... openat resumed>) = 3 [pid 6614] <... mkdir resumed>) = 0 [pid 6613] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6611] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6610] chdir("./bus" [ 100.532330][ T6614] loop4: detected capacity change from 0 to 256 [pid 6614] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6613] <... mount resumed>) = 0 [pid 6610] <... chdir resumed>) = 0 [pid 6610] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6610] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6605] <... futex resumed>) = 0 [pid 6612] <... mount resumed>) = 0 [pid 6610] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6605] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... mount resumed>) = 0 [pid 6613] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6614] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6613] <... openat resumed>) = 3 [pid 6612] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6611] <... mount resumed>) = 0 [pid 6610] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6605] <... futex resumed>) = 0 [pid 6614] <... openat resumed>) = 3 [pid 6613] chdir("./bus" [pid 6612] <... openat resumed>) = 3 [pid 6611] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6610] <... openat resumed>) = 4 [pid 6614] chdir("./bus" [pid 6613] <... chdir resumed>) = 0 [pid 6612] chdir("./bus" [pid 6611] <... openat resumed>) = 3 [pid 6610] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6605] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6614] <... chdir resumed>) = 0 [pid 6613] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6612] <... chdir resumed>) = 0 [pid 6611] chdir("./bus" [pid 6610] <... futex resumed>) = 0 [pid 6605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6614] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6613] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6612] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6611] <... chdir resumed>) = 0 [pid 6610] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6605] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6613] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6611] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6614] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] <... futex resumed>) = 1 [pid 6612] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6610] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6606] <... futex resumed>) = 0 [pid 6605] <... futex resumed>) = 0 [pid 6614] <... futex resumed>) = 1 [pid 6613] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6612] <... futex resumed>) = 1 [pid 6610] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6609] <... futex resumed>) = 0 [pid 6608] <... futex resumed>) = 0 [pid 6606] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6612] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6611] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6605] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6613] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6611] <... futex resumed>) = 1 [pid 6610] <... futex resumed>) = 0 [pid 6609] <... futex resumed>) = 0 [pid 6608] <... futex resumed>) = 0 [pid 6607] <... futex resumed>) = 0 [pid 6606] <... futex resumed>) = 0 [pid 6605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6614] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6613] <... openat resumed>) = 4 [pid 6612] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6611] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6610] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6609] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6608] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6607] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6605] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... openat resumed>) = 4 [pid 6613] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] <... openat resumed>) = 4 [pid 6611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6607] <... futex resumed>) = 0 [pid 6614] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] <... futex resumed>) = 0 [pid 6612] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6610] dup(4 [pid 6607] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6605] <... futex resumed>) = 0 [pid 6614] <... futex resumed>) = 1 [pid 6613] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6612] <... futex resumed>) = 1 [pid 6611] <... openat resumed>) = 4 [pid 6610] <... dup resumed>) = 5 [pid 6609] <... futex resumed>) = 0 [pid 6608] <... futex resumed>) = 0 [pid 6606] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6605] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6614] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6612] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6611] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6613] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6611] <... futex resumed>) = 1 [pid 6610] <... futex resumed>) = 0 [pid 6609] <... futex resumed>) = 0 [pid 6608] <... futex resumed>) = 0 [pid 6607] <... futex resumed>) = 0 [pid 6614] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6613] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6612] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6611] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6610] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6609] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6608] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6607] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] <... futex resumed>) = 0 [pid 6605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6614] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6613] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6607] <... futex resumed>) = 0 [pid 6606] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6605] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] <... futex resumed>) = 0 [pid 6612] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6610] <... futex resumed>) = 0 [pid 6607] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6605] <... futex resumed>) = 1 [pid 6614] <... futex resumed>) = 1 [pid 6613] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6612] <... futex resumed>) = 1 [pid 6611] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6609] <... futex resumed>) = 0 [pid 6608] <... futex resumed>) = 0 [pid 6606] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6605] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6614] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6612] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6611] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] <... futex resumed>) = 0 [pid 6614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6613] dup(4 [pid 6612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6611] <... futex resumed>) = 1 [pid 6609] <... futex resumed>) = 0 [pid 6608] <... futex resumed>) = 0 [pid 6607] <... futex resumed>) = 0 [pid 6606] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6614] dup(4 [pid 6613] <... dup resumed>) = 5 [pid 6612] dup(4 [pid 6611] dup(4 [pid 6609] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6608] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6607] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... dup resumed>) = 5 [pid 6613] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] <... dup resumed>) = 5 [pid 6611] <... dup resumed>) = 5 [pid 6607] <... futex resumed>) = 0 [pid 6613] <... futex resumed>) = 1 [pid 6612] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] <... futex resumed>) = 0 [pid 6614] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] <... futex resumed>) = 1 [pid 6611] <... futex resumed>) = 0 [pid 6608] <... futex resumed>) = 0 [pid 6606] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6612] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6611] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6608] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6607] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6606] <... futex resumed>) = 0 [pid 6612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6608] <... futex resumed>) = 0 [pid 6606] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6614] <... futex resumed>) = 1 [pid 6612] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6609] <... futex resumed>) = 0 [pid 6608] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6607] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6609] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6607] <... futex resumed>) = 1 [pid 6607] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6611] <... futex resumed>) = 0 [pid 6611] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6609] <... futex resumed>) = 0 [pid 6609] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6605] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6605] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6605] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6605] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6605] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6615 attached [pid 6615] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6605] <... clone3 resumed> => {parent_tid=[6615]}, 88) = 6615 [pid 6605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6605] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6615] <... rseq resumed>) = 0 [pid 6605] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6615] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6615] rt_sigprocmask(SIG_SETMASK, [], [pid 6608] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6606] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6608] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6608] <... futex resumed>) = 0 [pid 6606] <... futex resumed>) = 0 [pid 6608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6608] <... mmap resumed>) = 0x7fee5fb13000 [pid 6606] <... mmap resumed>) = 0x7fee5fb13000 [pid 6608] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6606] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6608] <... mprotect resumed>) = 0 [pid 6606] <... mprotect resumed>) = 0 [pid 6608] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6606] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6608] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6606] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6616 attached [pid 6606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6617 attached => {parent_tid=[6617]}, 88) = 6617 [pid 6608] <... clone3 resumed> => {parent_tid=[6616]}, 88) = 6616 [pid 6617] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6608] rt_sigprocmask(SIG_SETMASK, [], [pid 6606] rt_sigprocmask(SIG_SETMASK, [], [pid 6617] <... rseq resumed>) = 0 [pid 6616] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6617] set_robust_list(0x7fee5fb339a0, 24 [pid 6616] <... rseq resumed>) = 0 [pid 6608] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6617] <... set_robust_list resumed>) = 0 [pid 6616] set_robust_list(0x7fee5fb339a0, 24 [pid 6608] <... futex resumed>) = 0 [pid 6606] <... futex resumed>) = 0 [pid 6617] rt_sigprocmask(SIG_SETMASK, [], [pid 6616] <... set_robust_list resumed>) = 0 [pid 6608] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6606] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6616] rt_sigprocmask(SIG_SETMASK, [], [pid 6617] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6617] <... madvise resumed>) = 0 [pid 6615] <... madvise resumed>) = 0 [pid 6616] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6609] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6607] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6609] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6607] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6617] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6607] <... futex resumed>) = 0 [pid 6607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6615] <... futex resumed>) = 1 [pid 6609] <... mprotect resumed>) = 0 [pid 6607] <... mmap resumed>) = 0x7fee5fb13000 [pid 6617] <... futex resumed>) = 1 [pid 6609] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6607] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6617] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6605] <... futex resumed>) = 0 [pid 6616] <... madvise resumed>) = 0 [pid 6615] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6609] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6607] <... mprotect resumed>) = 0 [pid 6606] <... futex resumed>) = 0 [pid 6616] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6607] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6618 attached [pid 6616] <... futex resumed>) = 1 [pid 6608] <... futex resumed>) = 0 [pid 6607] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6618] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6616] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6609] <... clone3 resumed> => {parent_tid=[6618]}, 88) = 6618 [pid 6607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6618] <... rseq resumed>) = 0 [pid 6609] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6619 attached [pid 6618] set_robust_list(0x7fee5fb339a0, 24 [pid 6609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6607] <... clone3 resumed> => {parent_tid=[6619]}, 88) = 6619 [pid 6618] <... set_robust_list resumed>) = 0 [pid 6609] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] rt_sigprocmask(SIG_SETMASK, [], [pid 6609] <... futex resumed>) = 0 [pid 6618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6609] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6618] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6607] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6607] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6619] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053) = 0 [pid 6619] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6619] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6619] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6618] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6618] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6609] <... futex resumed>) = 0 [pid 6613] <... mmap resumed>) = 0x20000000 [pid 6610] <... mmap resumed>) = 0x20000000 [pid 6610] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] <... mmap resumed>) = 0x20000000 [pid 6613] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] <... futex resumed>) = 0 [pid 6611] <... futex resumed>) = 0 [pid 6614] <... mmap resumed>) = 0x20000000 [pid 6613] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6611] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6619] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] exit_group(0 [pid 6618] <... futex resumed>) = ? [pid 6612] <... mmap resumed>) = 0x20000000 [pid 6609] <... exit_group resumed>) = ? [pid 6619] <... futex resumed>) = 1 [pid 6614] <... futex resumed>) = ? [pid 6610] <... futex resumed>) = 0 [pid 6607] <... futex resumed>) = 0 [pid 6619] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6614] +++ exited with 0 +++ [pid 6612] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6608] exit_group(0 [pid 6607] exit_group(0 [pid 6606] exit_group(0 [pid 6605] exit_group(0 [pid 6619] <... futex resumed>) = ? [pid 6617] <... futex resumed>) = ? [pid 6616] <... futex resumed>) = ? [pid 6615] <... futex resumed>) = ? [pid 6613] <... futex resumed>) = ? [pid 6612] <... futex resumed>) = ? [pid 6611] <... futex resumed>) = ? [pid 6610] <... futex resumed>) = ? [pid 6608] <... exit_group resumed>) = ? [pid 6607] <... exit_group resumed>) = ? [pid 6606] <... exit_group resumed>) = ? [pid 6605] <... exit_group resumed>) = ? [pid 6619] +++ exited with 0 +++ [pid 6617] +++ exited with 0 +++ [pid 6615] +++ exited with 0 +++ [pid 6613] +++ exited with 0 +++ [pid 6612] +++ exited with 0 +++ [pid 6610] +++ exited with 0 +++ [pid 6618] +++ exited with 0 +++ [pid 6616] +++ exited with 0 +++ [pid 6609] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6609, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5840] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6605] +++ exited with 0 +++ [pid 5840] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6606] +++ exited with 0 +++ [pid 5840] <... openat resumed>) = 3 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6605, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5840] newfstatat(3, "", [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6606, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6608] +++ exited with 0 +++ [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... restart_syscall resumed>) = 0 [pid 5840] getdents64(3, [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6608, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./52/binderfs", [pid 5839] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... openat resumed>) = 3 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(3, "", [pid 5838] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] unlink("./52/binderfs" [pid 5839] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6611] +++ exited with 0 +++ [pid 6607] +++ exited with 0 +++ [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 5840] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(3, "", [pid 5839] newfstatat(3, "", [pid 5837] getdents64(3, [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6607, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] getdents64(3, [pid 5838] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] newfstatat(AT_FDCWD, "./52/binderfs", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./52/binderfs" [pid 5837] newfstatat(AT_FDCWD, "./52/binderfs", [pid 5836] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] newfstatat(AT_FDCWD, "./52/bus", [pid 5839] newfstatat(AT_FDCWD, "./51/binderfs", [pid 5838] <... unlink resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] unlink("./52/binderfs" [pid 5836] newfstatat(3, "", [pid 5840] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./51/binderfs" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./52/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./52/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5840] openat(AT_FDCWD, "./52/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] getdents64(3, [pid 5840] <... openat resumed>) = 4 [pid 5838] newfstatat(4, "", [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] newfstatat(4, "", [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] getdents64(4, [pid 5837] <... umount2 resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] close(4) = 0 [pid 5838] rmdir("./52/bus") = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5838] getdents64(3, [pid 5836] newfstatat(AT_FDCWD, "./51/binderfs", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(4, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] close(3 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] newfstatat(AT_FDCWD, "./51/bus", [pid 5838] <... close resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./52/bus", [pid 5836] unlink("./51/binderfs" [pid 5840] getdents64(4, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] rmdir("./52" [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... rmdir resumed>) = 0 [pid 5837] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... unlink resumed>) = 0 [pid 5840] close(4 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... close resumed>) = 0 [pid 5839] openat(AT_FDCWD, "./51/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] openat(AT_FDCWD, "./52/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] rmdir("./52/bus" [pid 5839] <... openat resumed>) = 4 [pid 5837] <... openat resumed>) = 4 [pid 5839] newfstatat(4, "", [pid 5838] mkdir("./53", 0777 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] newfstatat(4, "", [pid 5840] getdents64(3, [pid 5839] getdents64(4, [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] getdents64(4, [pid 5840] close(3 [pid 5839] getdents64(4, [pid 5836] <... umount2 resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] <... close resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... openat resumed>) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5840] rmdir("./52" [pid 5839] close(4 [pid 5838] <... ioctl resumed>) = 0 [pid 5837] getdents64(4, [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... close resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] newfstatat(AT_FDCWD, "./51/bus", [pid 5840] <... rmdir resumed>) = 0 [pid 5839] rmdir("./51/bus" [pid 5838] close(3 [pid 5837] close(4 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] mkdir("./53", 0777) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... close resumed>) = 0 [pid 5837] rmdir("./52/bus" [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... rmdir resumed>) = 0 [pid 5836] openat(AT_FDCWD, "./51/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5836] <... openat resumed>) = 4 [pid 5840] <... openat resumed>) = 3 [pid 5836] newfstatat(4, "", [pid 5840] ioctl(3, LOOP_CLR_FD) = 0 [pid 5837] getdents64(3, [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] close(3 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] getdents64(3, [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] close(3 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] getdents64(4, [pid 5837] rmdir("./52" [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6620 attached [pid 5837] <... rmdir resumed>) = 0 [pid 5836] close(4 [pid 5840] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5836] rmdir("./51/bus" [pid 5837] mkdir("./53", 0777 [pid 5836] <... rmdir resumed>) = 0 [pid 5839] close(3 [pid 5837] <... mkdir resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6620 [pid 5839] <... close resumed>) = 0 [pid 6620] set_robust_list(0x55557a9486a0, 24 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] rmdir("./51" [pid 5836] getdents64(3, ./strace-static-x86_64: Process 6621 attached [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6620] <... set_robust_list resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 6620] chdir("./53" [pid 5839] mkdir("./52", 0777 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6621] set_robust_list(0x55557a9486a0, 24 [pid 6620] <... chdir resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6621 [pid 5839] <... mkdir resumed>) = 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5836] close(3 [pid 6621] <... set_robust_list resumed>) = 0 [pid 6620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] <... ioctl resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 6621] chdir("./53" [pid 6620] <... prctl resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5837] close(3 [pid 5836] rmdir("./51" [pid 6621] <... chdir resumed>) = 0 [pid 6620] setpgid(0, 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5837] <... close resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5836] mkdir("./52", 0777) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5839] <... ioctl resumed>) = 0 [pid 5839] close(3 [pid 5836] <... openat resumed>) = 3 [pid 5836] ioctl(3, LOOP_CLR_FD) = 0 [pid 5836] close(3) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6622 attached [pid 6620] <... setpgid resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 6620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6622] set_robust_list(0x55557a9486a0, 24./strace-static-x86_64: Process 6623 attached [pid 6621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6620] <... openat resumed>) = 3 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6622] <... set_robust_list resumed>) = 0 [pid 6620] write(3, "1000", 4 [pid 6621] <... prctl resumed>) = 0 [pid 6620] <... write resumed>) = 4 ./strace-static-x86_64: Process 6624 attached [pid 6623] set_robust_list(0x55557a9486a0, 24 [pid 6622] chdir("./53" [pid 6621] setpgid(0, 0 [pid 6620] close(3 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6622 [pid 6624] set_robust_list(0x55557a9486a0, 24 [pid 6622] <... chdir resumed>) = 0 [pid 6624] <... set_robust_list resumed>) = 0 [pid 6622] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6620] <... close resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6624 [pid 6620] symlink("/dev/binderfs", "./binderfs" [pid 6623] <... set_robust_list resumed>) = 0 [pid 6621] <... setpgid resumed>) = 0 [pid 6620] <... symlink resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6623 [pid 6624] chdir("./52" [pid 6623] chdir("./52" [pid 6622] <... prctl resumed>) = 0 [pid 6621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6620] write(1, "executing program\n", 18 [pid 6624] <... chdir resumed>) = 0 [pid 6623] <... chdir resumed>) = 0 [pid 6622] setpgid(0, 0 [pid 6621] <... openat resumed>) = 3 [pid 6620] <... write resumed>) = 18 [pid 6624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6622] <... setpgid resumed>) = 0 [pid 6624] <... prctl resumed>) = 0 [pid 6620] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] setpgid(0, 0 [pid 6623] <... prctl resumed>) = 0 [pid 6621] write(3, "1000", 4 [pid 6622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6620] <... futex resumed>) = 0 [pid 6624] <... setpgid resumed>) = 0 [pid 6623] setpgid(0, 0 [pid 6621] <... write resumed>) = 4 [pid 6624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6623] <... setpgid resumed>) = 0 [pid 6621] close(3 [pid 6620] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6624] <... openat resumed>) = 3 [pid 6623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6622] <... openat resumed>) = 3 [pid 6621] <... close resumed>) = 0 [pid 6620] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6623] <... openat resumed>) = 3 [pid 6621] symlink("/dev/binderfs", "./binderfs" [pid 6620] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6624] write(3, "1000", 4 [pid 6623] write(3, "1000", 4 [pid 6622] write(3, "1000", 4 [pid 6621] <... symlink resumed>) = 0 [pid 6620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6624] <... write resumed>) = 4 [pid 6622] <... write resumed>) = 4 [pid 6620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6624] close(3 [pid 6622] close(3 executing program [pid 6624] <... close resumed>) = 0 [pid 6623] <... write resumed>) = 4 [pid 6622] <... close resumed>) = 0 [pid 6621] write(1, "executing program\n", 18 [pid 6620] <... mmap resumed>) = 0x7fee5fb34000 [pid 6624] symlink("/dev/binderfs", "./binderfs" [pid 6623] close(3 [pid 6622] symlink("/dev/binderfs", "./binderfs" [pid 6621] <... write resumed>) = 18 [pid 6620] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6624] <... symlink resumed>) = 0 [pid 6623] <... close resumed>) = 0 [pid 6622] <... symlink resumed>) = 0 [pid 6621] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6624] write(1, "executing program\n", 18 [pid 6623] symlink("/dev/binderfs", "./binderfs"executing program [pid 6622] write(1, "executing program\n", 18 [pid 6621] <... futex resumed>) = 0 [pid 6620] <... mprotect resumed>) = 0 [pid 6624] <... write resumed>) = 18 [pid 6623] <... symlink resumed>) = 0 [pid 6622] <... write resumed>) = 18 [pid 6621] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6624] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] write(1, "executing program\n", 18 [pid 6622] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6621] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6620] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 6624] <... futex resumed>) = 0 [pid 6623] <... write resumed>) = 18 [pid 6622] <... futex resumed>) = 0 [pid 6621] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6624] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6623] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6620] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6624] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6623] <... futex resumed>) = 0 [pid 6622] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6623] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6621] <... mmap resumed>) = 0x7fee5fb34000 ./strace-static-x86_64: Process 6625 attached [pid 6624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6622] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6620] <... clone3 resumed> => {parent_tid=[6625]}, 88) = 6625 [pid 6625] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6624] <... mmap resumed>) = 0x7fee5fb34000 [pid 6622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6625] <... rseq resumed>) = 0 [pid 6624] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6620] rt_sigprocmask(SIG_SETMASK, [], [pid 6625] set_robust_list(0x7fee5fb549a0, 24 [pid 6622] <... mmap resumed>) = 0x7fee5fb34000 [pid 6625] <... set_robust_list resumed>) = 0 [pid 6624] <... mprotect resumed>) = 0 [pid 6622] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6624] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6623] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6622] <... mprotect resumed>) = 0 [pid 6621] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6620] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] memfd_create("syzkaller", 0 [pid 6623] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6621] <... mprotect resumed>) = 0 [pid 6620] <... futex resumed>) = 0 [pid 6625] <... memfd_create resumed>) = 3 [pid 6623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6622] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6621] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6620] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6623] <... mmap resumed>) = 0x7fee5fb34000 [pid 6621] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6623] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6626 attached [pid 6623] <... mprotect resumed>) = 0 [pid 6626] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6623] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6621] <... clone3 resumed> => {parent_tid=[6626]}, 88) = 6626 [pid 6626] <... rseq resumed>) = 0 [pid 6621] rt_sigprocmask(SIG_SETMASK, [], [pid 6626] set_robust_list(0x7fee5fb549a0, 24 [pid 6621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6626] <... set_robust_list resumed>) = 0 [pid 6623] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6621] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] rt_sigprocmask(SIG_SETMASK, [], [pid 6623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6621] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6627 attached [pid 6626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6621] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6627] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6626] memfd_create("syzkaller", 0 [pid 6627] <... rseq resumed>) = 0 [pid 6623] <... clone3 resumed> => {parent_tid=[6627]}, 88) = 6627 [pid 6627] set_robust_list(0x7fee5fb549a0, 24 [pid 6626] <... memfd_create resumed>) = 3 [pid 6627] <... set_robust_list resumed>) = 0 [pid 6626] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6623] rt_sigprocmask(SIG_SETMASK, [], [pid 6627] rt_sigprocmask(SIG_SETMASK, [], [pid 6626] <... mmap resumed>) = 0x7fee57600000 [pid 6623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6625] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6624] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6622] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6627] memfd_create("syzkaller", 0 [pid 6626] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6623] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] <... memfd_create resumed>) = 3 [pid 6623] <... futex resumed>) = 0 [pid 6627] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6623] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6627] <... mmap resumed>) = 0x7fee57600000 [pid 6625] <... mmap resumed>) = 0x7fee57600000 [pid 6624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6622] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6629 attached ./strace-static-x86_64: Process 6628 attached [pid 6627] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6626] <... write resumed>) = 131072 [pid 6625] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6628] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6629] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053) = 0 [pid 6629] set_robust_list(0x7fee5fb549a0, 24 [pid 6628] <... rseq resumed>) = 0 [pid 6627] <... write resumed>) = 131072 [pid 6625] <... write resumed>) = 131072 [pid 6624] <... clone3 resumed> => {parent_tid=[6629]}, 88) = 6629 [pid 6622] <... clone3 resumed> => {parent_tid=[6628]}, 88) = 6628 [pid 6629] <... set_robust_list resumed>) = 0 [pid 6628] set_robust_list(0x7fee5fb549a0, 24 [pid 6626] munmap(0x7fee57600000, 138412032 [pid 6625] munmap(0x7fee57600000, 138412032 [pid 6624] rt_sigprocmask(SIG_SETMASK, [], [pid 6622] rt_sigprocmask(SIG_SETMASK, [], [pid 6628] <... set_robust_list resumed>) = 0 [pid 6624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6628] rt_sigprocmask(SIG_SETMASK, [], [pid 6624] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6624] <... futex resumed>) = 0 [pid 6622] <... futex resumed>) = 0 [pid 6629] rt_sigprocmask(SIG_SETMASK, [], [pid 6628] memfd_create("syzkaller", 0 [pid 6627] munmap(0x7fee57600000, 138412032 [pid 6626] <... munmap resumed>) = 0 [pid 6625] <... munmap resumed>) = 0 [pid 6624] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6622] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6628] <... memfd_create resumed>) = 3 [pid 6629] memfd_create("syzkaller", 0 [pid 6628] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6628] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6626] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6625] <... openat resumed>) = 4 [pid 6629] <... memfd_create resumed>) = 3 [pid 6627] <... munmap resumed>) = 0 [pid 6626] <... openat resumed>) = 4 [pid 6625] ioctl(4, LOOP_SET_FD, 3 [pid 6629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6628] <... write resumed>) = 131072 [pid 6627] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6626] ioctl(4, LOOP_SET_FD, 3 [pid 6629] <... mmap resumed>) = 0x7fee57600000 [pid 6628] munmap(0x7fee57600000, 138412032 [pid 6627] <... openat resumed>) = 4 [pid 6625] <... ioctl resumed>) = 0 [pid 6629] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6628] <... munmap resumed>) = 0 [pid 6627] ioctl(4, LOOP_SET_FD, 3 [pid 6625] close(3 [pid 6628] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6625] <... close resumed>) = 0 [pid 6629] <... write resumed>) = 131072 [pid 6629] munmap(0x7fee57600000, 138412032) = 0 [pid 6629] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6625] close(4 [pid 6628] <... openat resumed>) = 4 [pid 6625] <... close resumed>) = 0 [pid 6628] ioctl(4, LOOP_SET_FD, 3 [pid 6629] ioctl(4, LOOP_SET_FD, 3 [pid 6627] <... ioctl resumed>) = 0 [pid 6627] close(3) = 0 [pid 6627] close(4) = 0 [pid 6627] mkdir("./bus", 0777) = 0 [pid 6627] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6625] mkdir("./bus", 0777 [pid 6627] <... mount resumed>) = 0 [pid 6627] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6627] chdir("./bus") = 0 [pid 6627] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6625] <... mkdir resumed>) = 0 [pid 6627] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6627] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] <... futex resumed>) = 0 [pid 6623] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] <... futex resumed>) = 0 [pid 6623] <... futex resumed>) = 1 [pid 6627] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME) = 4 [pid 6623] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6627] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6627] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6626] <... ioctl resumed>) = 0 [pid 6625] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6623] <... futex resumed>) = 0 [pid 6629] <... ioctl resumed>) = 0 [pid 6627] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6626] close(3 [pid 6623] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6627] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6623] <... futex resumed>) = 0 [pid 6627] dup(4 [pid 6623] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] close(3 [pid 6627] <... dup resumed>) = 5 [pid 6623] <... futex resumed>) = 0 [pid 6629] <... close resumed>) = 0 [pid 6627] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] <... close resumed>) = 0 [pid 6623] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6629] close(4 [pid 6627] <... futex resumed>) = 0 [pid 6626] close(4 [pid 6623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6629] <... close resumed>) = 0 [pid 6627] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] mkdir("./bus", 0777 [pid 6627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6623] <... futex resumed>) = 0 [pid 6629] <... mkdir resumed>) = 0 [pid 6627] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6623] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6626] <... close resumed>) = 0 [pid 6625] <... mount resumed>) = 0 [pid 6628] <... ioctl resumed>) = 0 [pid 6625] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6629] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6626] mkdir("./bus", 0777 [pid 6625] <... openat resumed>) = 3 [pid 6626] <... mkdir resumed>) = 0 [pid 6625] chdir("./bus" [pid 6629] <... mount resumed>) = 0 [pid 6626] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6625] <... chdir resumed>) = 0 [ 100.990700][ T6625] loop2: detected capacity change from 0 to 256 [ 100.991319][ T6626] loop4: detected capacity change from 0 to 256 [ 101.011397][ T6627] loop0: detected capacity change from 0 to 256 [ 101.026941][ T6629] loop3: detected capacity change from 0 to 256 [ 101.027711][ T6628] loop1: detected capacity change from 0 to 256 [pid 6629] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6628] close(3 [pid 6625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6629] chdir("./bus") = 0 [pid 6625] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6625] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6625] <... futex resumed>) = 1 [pid 6620] <... futex resumed>) = 0 [pid 6629] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6620] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] <... futex resumed>) = 1 [pid 6625] <... openat resumed>) = 4 [pid 6624] <... futex resumed>) = 0 [pid 6629] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6628] <... close resumed>) = 0 [pid 6625] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6620] <... futex resumed>) = 0 [pid 6629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6628] close(4 [pid 6625] <... futex resumed>) = 0 [pid 6624] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6620] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6629] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6628] <... close resumed>) = 0 [pid 6626] <... mount resumed>) = 0 [pid 6625] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6624] <... futex resumed>) = 0 [pid 6620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6629] <... openat resumed>) = 4 [pid 6626] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6624] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6620] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] mkdir("./bus", 0777 [pid 6626] <... openat resumed>) = 3 [pid 6625] <... futex resumed>) = 0 [pid 6624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6620] <... futex resumed>) = 1 [pid 6629] <... futex resumed>) = 0 [pid 6624] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6620] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6629] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6626] chdir("./bus" [pid 6625] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6624] <... futex resumed>) = 0 [pid 6629] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] <... chdir resumed>) = 0 [pid 6625] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6624] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6629] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6625] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] <... futex resumed>) = 0 [pid 6628] <... mkdir resumed>) = 0 [pid 6626] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6624] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] <... futex resumed>) = 1 [pid 6629] dup(4 [pid 6626] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6624] <... futex resumed>) = 0 [pid 6620] <... futex resumed>) = 0 [pid 6626] <... futex resumed>) = 1 [pid 6620] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] <... dup resumed>) = 5 [pid 6626] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6624] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6621] <... futex resumed>) = 0 [pid 6620] <... futex resumed>) = 0 [pid 6629] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6625] dup(4 [pid 6624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6620] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6629] <... futex resumed>) = 0 [pid 6625] <... dup resumed>) = 5 [pid 6624] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6621] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6625] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] <... futex resumed>) = 0 [pid 6621] <... futex resumed>) = 0 [pid 6626] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6625] <... futex resumed>) = 1 [pid 6624] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6621] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6620] <... futex resumed>) = 0 [pid 6626] <... openat resumed>) = 4 [pid 6623] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6620] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6620] <... futex resumed>) = 0 [pid 6626] <... futex resumed>) = 1 [pid 6625] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6623] <... futex resumed>) = 0 [pid 6621] <... futex resumed>) = 0 [pid 6620] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6628] <... mount resumed>) = 0 [pid 6626] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6621] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6621] <... futex resumed>) = 0 [pid 6628] <... openat resumed>) = 3 [pid 6621] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6628] chdir("./bus" [pid 6626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6628] <... chdir resumed>) = 0 [pid 6628] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6626] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6628] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6626] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6621] <... futex resumed>) = 0 [pid 6626] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6621] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6623] <... mmap resumed>) = 0x7fee5fb13000 [pid 6621] <... futex resumed>) = 0 [pid 6621] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6626] dup(4) = 5 [pid 6628] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] <... futex resumed>) = 1 [pid 6626] <... futex resumed>) = 1 [pid 6623] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6622] <... futex resumed>) = 0 [pid 6621] <... futex resumed>) = 0 [pid 6628] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6626] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] <... mprotect resumed>) = 0 [pid 6622] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6621] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6623] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6622] <... futex resumed>) = 0 [pid 6621] <... futex resumed>) = 0 [pid 6628] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6626] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6623] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6622] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6621] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6628] <... openat resumed>) = 4 [pid 6628] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6630 attached [pid 6628] <... futex resumed>) = 1 [pid 6622] <... futex resumed>) = 0 [pid 6622] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6628] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6630] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6623] <... clone3 resumed> => {parent_tid=[6630]}, 88) = 6630 [pid 6630] <... rseq resumed>) = 0 [pid 6623] rt_sigprocmask(SIG_SETMASK, [], [pid 6630] set_robust_list(0x7fee5fb339a0, 24 [pid 6623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6630] <... set_robust_list resumed>) = 0 [pid 6623] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6630] rt_sigprocmask(SIG_SETMASK, [], [pid 6623] <... futex resumed>) = 0 [pid 6630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6623] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6622] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6630] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6628] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6630] <... madvise resumed>) = 0 [pid 6628] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6622] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] <... futex resumed>) = 0 [pid 6622] <... futex resumed>) = 0 [pid 6630] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] dup(4 [pid 6622] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6628] <... dup resumed>) = 5 [pid 6630] <... futex resumed>) = 1 [pid 6628] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] <... futex resumed>) = 0 [pid 6630] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6628] <... futex resumed>) = 1 [pid 6624] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] <... futex resumed>) = 0 [pid 6628] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6622] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6628] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6624] <... futex resumed>) = 0 [pid 6622] <... futex resumed>) = 0 [pid 6622] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6620] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6624] <... mmap resumed>) = 0x7fee5fb13000 [pid 6621] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6621] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6620] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6620] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6620] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} => {parent_tid=[6631]}, 88) = 6631 [pid 6620] rt_sigprocmask(SIG_SETMASK, [], [pid 6624] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6620] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6631 attached [pid 6620] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6631] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053) = 0 [pid 6631] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6631] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6624] <... mprotect resumed>) = 0 [pid 6621] <... mmap resumed>) = 0x7fee5fb13000 [pid 6621] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6621] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6632 attached [pid 6624] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6632] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6624] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6632] <... rseq resumed>) = 0 [pid 6631] <... madvise resumed>) = 0 [pid 6624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6632] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6632] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6624] <... clone3 resumed> => {parent_tid=[6633]}, 88) = 6633 [pid 6621] <... clone3 resumed> => {parent_tid=[6632]}, 88) = 6632 [pid 6621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6621] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6633 attached [pid 6632] <... futex resumed>) = 0 [pid 6624] rt_sigprocmask(SIG_SETMASK, [], [pid 6621] <... futex resumed>) = 1 [pid 6633] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6632] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6631] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6633] <... rseq resumed>) = 0 [pid 6632] <... madvise resumed>) = 0 [pid 6624] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6621] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6633] set_robust_list(0x7fee5fb339a0, 24 [pid 6624] <... futex resumed>) = 0 [pid 6633] <... set_robust_list resumed>) = 0 [pid 6624] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6631] <... futex resumed>) = 1 [pid 6620] <... futex resumed>) = 0 [pid 6631] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6632] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6621] <... futex resumed>) = 0 [pid 6633] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6632] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6633] <... madvise resumed>) = 0 [pid 6622] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6622] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6622] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6622] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6622] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} => {parent_tid=[6634]}, 88) = 6634 ./strace-static-x86_64: Process 6634 attached [pid 6622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6622] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6634] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6622] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6634] <... rseq resumed>) = 0 [pid 6634] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6633] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6633] <... futex resumed>) = 1 [pid 6624] <... futex resumed>) = 0 [pid 6634] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6633] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6634] <... madvise resumed>) = 0 [pid 6634] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6622] <... futex resumed>) = 0 [pid 6634] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6629] <... mmap resumed>) = 0x20000000 [pid 6627] <... mmap resumed>) = 0x20000000 [pid 6626] <... mmap resumed>) = 0x20000000 [pid 6625] <... mmap resumed>) = 0x20000000 [pid 6628] <... mmap resumed>) = 0x20000000 [pid 6627] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] <... futex resumed>) = 0 [pid 6626] <... futex resumed>) = 0 [pid 6625] <... futex resumed>) = 0 [pid 6629] <... futex resumed>) = 0 [pid 6629] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6628] <... futex resumed>) = 0 [pid 6627] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6626] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6625] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6620] exit_group(0 [pid 6631] <... futex resumed>) = ? [pid 6628] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6625] <... futex resumed>) = ? [pid 6624] exit_group(0 [pid 6623] exit_group(0 [pid 6622] exit_group(0 [pid 6621] exit_group(0 [pid 6620] <... exit_group resumed>) = ? [pid 6634] <... futex resumed>) = ? [pid 6633] <... futex resumed>) = ? [pid 6631] +++ exited with 0 +++ [pid 6630] <... futex resumed>) = ? [pid 6629] <... futex resumed>) = ? [pid 6628] <... futex resumed>) = ? [pid 6627] <... futex resumed>) = ? [pid 6625] +++ exited with 0 +++ [pid 6624] <... exit_group resumed>) = ? [pid 6623] <... exit_group resumed>) = ? [pid 6622] <... exit_group resumed>) = ? [pid 6634] +++ exited with 0 +++ [pid 6633] +++ exited with 0 +++ [pid 6632] <... futex resumed>) = ? [pid 6630] +++ exited with 0 +++ [pid 6629] +++ exited with 0 +++ [pid 6628] +++ exited with 0 +++ [pid 6627] +++ exited with 0 +++ [pid 6626] <... futex resumed>) = ? [pid 6624] +++ exited with 0 +++ [pid 6621] <... exit_group resumed>) = ? [pid 6626] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6624, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6632] +++ exited with 0 +++ [pid 6620] +++ exited with 0 +++ [pid 5839] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6620, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5839] <... openat resumed>) = 3 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./52/binderfs" [pid 6621] +++ exited with 0 +++ [pid 5839] <... unlink resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6621, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5839] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6623] +++ exited with 0 +++ [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6623, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5839] <... umount2 resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5839] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./52/bus", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5836] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5839] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(3, "", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] openat(AT_FDCWD, "./52/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] getdents64(3, [pid 5836] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 4 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] newfstatat(4, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... openat resumed>) = 3 [pid 5840] <... openat resumed>) = 3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] newfstatat(AT_FDCWD, "./53/binderfs", [pid 5836] newfstatat(3, "", [pid 5840] newfstatat(3, "", [pid 5839] getdents64(4, [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] unlink("./53/binderfs" [pid 5836] getdents64(3, [pid 5840] getdents64(3, [pid 5839] getdents64(4, [pid 5838] <... unlink resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] close(4 [pid 5838] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... close resumed>) = 0 [pid 5836] newfstatat(AT_FDCWD, "./52/binderfs", [pid 5840] newfstatat(AT_FDCWD, "./53/binderfs", [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] rmdir("./52/bus" [pid 5836] unlink("./52/binderfs" [pid 5840] unlink("./53/binderfs" [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5836] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = 0 [pid 5839] getdents64(3, [pid 5838] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = 0 [pid 5839] close(3 [pid 5838] newfstatat(AT_FDCWD, "./53/bus", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./52/bus", [pid 5839] <... close resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] rmdir("./52" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... rmdir resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./53/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5840] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] mkdir("./53", 0777 [pid 5838] newfstatat(4, "", [pid 5836] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] newfstatat(AT_FDCWD, "./53/bus", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(4, [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] openat(AT_FDCWD, "./52/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 3 [pid 5838] getdents64(4, [pid 5836] <... openat resumed>) = 4 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(4, "", [pid 5840] openat(AT_FDCWD, "./53/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... openat resumed>) = 4 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] getdents64(4, [pid 5839] <... ioctl resumed>) = 0 [pid 5838] close(4 [pid 5839] close(3 [pid 5838] <... close resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] rmdir("./53/bus") = 0 [pid 5838] getdents64(3, 0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] close(3 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... close resumed>) = 0 [pid 5840] newfstatat(4, "", [pid 5838] rmdir("./53" [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6635 attached [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5836] getdents64(4, [pid 5840] getdents64(4, [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] close(4 [pid 5840] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6635 [pid 5838] mkdir("./54", 0777 [pid 5836] <... close resumed>) = 0 [pid 5840] close(4 [pid 6635] set_robust_list(0x55557a9486a0, 24 [pid 5840] <... close resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5836] rmdir("./52/bus" [pid 6635] <... set_robust_list resumed>) = 0 [pid 5840] rmdir("./53/bus" [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5840] <... rmdir resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 5840] getdents64(3, [pid 5838] close(3 [pid 6635] chdir("./53" [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] <... close resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 6635] <... chdir resumed>) = 0 [pid 5840] close(3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... close resumed>) = 0 [pid 5836] getdents64(3, [pid 5840] rmdir("./53"./strace-static-x86_64: Process 6636 attached [pid 6635] <... prctl resumed>) = 0 [pid 6622] +++ exited with 0 +++ [pid 5840] <... rmdir resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6636 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6636] set_robust_list(0x55557a9486a0, 24 [pid 6635] setpgid(0, 0 [pid 5840] mkdir("./54", 0777 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6622, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5836] close(3 [pid 6636] <... set_robust_list resumed>) = 0 [pid 6635] <... setpgid resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5836] <... close resumed>) = 0 [pid 6636] chdir("./54" [pid 6635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5837] <... restart_syscall resumed>) = 0 [pid 5836] rmdir("./52" [pid 6636] <... chdir resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 6636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6635] <... openat resumed>) = 3 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5836] <... rmdir resumed>) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5840] close(3 [pid 6636] <... prctl resumed>) = 0 [pid 6635] write(3, "1000", 4 [pid 5837] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6636] setpgid(0, 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6636] <... setpgid resumed>) = 0 [pid 5837] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6635] <... write resumed>) = 4 [pid 5840] <... close resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] mkdir("./53", 0777 [pid 6635] close(3) = 0 [pid 5837] newfstatat(3, "", [pid 5836] <... mkdir resumed>) = 0 [pid 6636] <... openat resumed>) = 3 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6636] write(3, "1000", 4 [pid 5837] getdents64(3, [pid 6636] <... write resumed>) = 4 [pid 6636] close(3 [pid 6635] symlink("/dev/binderfs", "./binderfs" [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6636] <... close resumed>) = 0 [pid 6635] <... symlink resumed>) = 0 [pid 5837] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6636] symlink("/dev/binderfs", "./binderfs" [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6636] <... symlink resumed>) = 0 [pid 6635] write(1, "executing program\n", 18 [pid 5837] newfstatat(AT_FDCWD, "./53/binderfs", [pid 5836] <... openat resumed>) = 3 executing program [pid 6636] write(1, "executing program\n", 18 [pid 6635] <... write resumed>) = 18 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6637 attached [pid 6636] <... write resumed>) = 18 [pid 6635] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6637 [pid 5837] unlink("./53/binderfs" [pid 5836] <... ioctl resumed>) = 0 [pid 6635] <... futex resumed>) = 0 [pid 5836] close(3 [pid 6635] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5836] <... close resumed>) = 0 [pid 6635] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6635] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 5837] <... unlink resumed>) = 0 [pid 6637] set_robust_list(0x55557a9486a0, 24 [pid 6636] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... set_robust_list resumed>) = 0 [pid 5837] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6636] <... futex resumed>) = 0 [pid 6635] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6637] chdir("./54" [pid 6636] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6635] <... mprotect resumed>) = 0 [pid 6637] <... chdir resumed>) = 0 [pid 6636] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6638 attached [pid 6637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6635] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6638] set_robust_list(0x55557a9486a0, 24 [pid 6637] <... prctl resumed>) = 0 [pid 6636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6635] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6638 [pid 6638] <... set_robust_list resumed>) = 0 [pid 6637] setpgid(0, 0 [pid 6636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6636] <... mmap resumed>) = 0x7fee5fb34000 ./strace-static-x86_64: Process 6639 attached [pid 6638] chdir("./53" [pid 6637] <... setpgid resumed>) = 0 [pid 6636] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6639] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6638] <... chdir resumed>) = 0 [pid 6636] <... mprotect resumed>) = 0 [pid 6635] <... clone3 resumed> => {parent_tid=[6639]}, 88) = 6639 [pid 6639] <... rseq resumed>) = 0 [pid 6638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6636] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6635] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] newfstatat(AT_FDCWD, "./53/bus", [pid 6638] <... prctl resumed>) = 0 [pid 6635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6638] setpgid(0, 0 [pid 6635] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6635] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6638] <... setpgid resumed>) = 0 [pid 6638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6639] set_robust_list(0x7fee5fb549a0, 24 [pid 6636] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6639] <... set_robust_list resumed>) = 0 [pid 6636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6640 attached [pid 6639] rt_sigprocmask(SIG_SETMASK, [], [pid 6638] <... openat resumed>) = 3 [pid 6637] <... openat resumed>) = 3 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6640] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6639] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6637] write(3, "1000", 4 [pid 6636] <... clone3 resumed> => {parent_tid=[6640]}, 88) = 6640 [pid 5837] openat(AT_FDCWD, "./53/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6640] <... rseq resumed>) = 0 [pid 6639] memfd_create("syzkaller", 0 [pid 6640] set_robust_list(0x7fee5fb549a0, 24 [pid 6639] <... memfd_create resumed>) = 3 [pid 6638] write(3, "1000", 4 [pid 6637] <... write resumed>) = 4 [pid 6636] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] <... openat resumed>) = 4 [pid 6640] <... set_robust_list resumed>) = 0 [pid 6639] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6638] <... write resumed>) = 4 [pid 6637] close(3 [pid 6636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] newfstatat(4, "", [pid 6640] rt_sigprocmask(SIG_SETMASK, [], [pid 6639] <... mmap resumed>) = 0x7fee57600000 [pid 6637] <... close resumed>) = 0 [pid 6636] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6638] close(3 [pid 5837] getdents64(4, [pid 6640] memfd_create("syzkaller", 0 [pid 6638] <... close resumed>) = 0 [pid 6636] <... futex resumed>) = 0 [pid 6637] symlink("/dev/binderfs", "./binderfs" [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6639] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6638] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6637] <... symlink resumed>) = 0 executing program [pid 6636] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] getdents64(4, [pid 6638] write(1, "executing program\n", 18executing program [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6640] <... memfd_create resumed>) = 3 [pid 6639] <... write resumed>) = 131072 [pid 6638] <... write resumed>) = 18 [pid 6637] write(1, "executing program\n", 18 [pid 5837] close(4 [pid 6640] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6639] munmap(0x7fee57600000, 138412032 [pid 6638] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6640] <... mmap resumed>) = 0x7fee57600000 [pid 6639] <... munmap resumed>) = 0 [pid 6638] <... futex resumed>) = 0 [pid 6637] <... write resumed>) = 18 [pid 5837] <... close resumed>) = 0 [pid 6638] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5837] rmdir("./53/bus" [pid 6638] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6638] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 5837] <... rmdir resumed>) = 0 [pid 6638] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6638] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] getdents64(3, [pid 6638] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6641 attached [pid 6640] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6637] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6641] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6638] <... clone3 resumed> => {parent_tid=[6641]}, 88) = 6641 [pid 6641] <... rseq resumed>) = 0 [pid 6641] set_robust_list(0x7fee5fb549a0, 24 [pid 6638] rt_sigprocmask(SIG_SETMASK, [], [pid 6641] <... set_robust_list resumed>) = 0 [pid 6639] <... openat resumed>) = 4 [pid 6637] <... futex resumed>) = 0 [pid 5837] close(3 [pid 6641] rt_sigprocmask(SIG_SETMASK, [], [pid 6639] ioctl(4, LOOP_SET_FD, 3 [pid 6638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6637] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5837] <... close resumed>) = 0 [pid 6641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6638] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] memfd_create("syzkaller", 0 [pid 6638] <... futex resumed>) = 0 [pid 6638] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6641] <... memfd_create resumed>) = 3 [pid 6641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6640] <... write resumed>) = 131072 [pid 6637] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5837] rmdir("./53" [pid 6641] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 6640] munmap(0x7fee57600000, 138412032 [pid 6639] <... ioctl resumed>) = 0 [pid 6637] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5837] <... rmdir resumed>) = 0 [pid 6640] <... munmap resumed>) = 0 [pid 6637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] mkdir("./54", 0777 [pid 6641] munmap(0x7fee57600000, 138412032 [pid 6640] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6639] close(3 [pid 6637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6641] <... munmap resumed>) = 0 [pid 6640] <... openat resumed>) = 4 [pid 6639] <... close resumed>) = 0 [pid 6637] <... mmap resumed>) = 0x7fee5fb34000 [pid 5837] <... mkdir resumed>) = 0 [pid 6641] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6640] ioctl(4, LOOP_SET_FD, 3 [pid 6639] close(4 [pid 6637] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6641] <... openat resumed>) = 4 [pid 6639] <... close resumed>) = 0 [pid 6637] <... mprotect resumed>) = 0 [pid 6641] ioctl(4, LOOP_SET_FD, 3 [pid 6639] mkdir("./bus", 0777 [pid 6637] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 6639] <... mkdir resumed>) = 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6637] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] <... ioctl resumed>) = 0 [pid 6641] <... ioctl resumed>) = 0 [pid 6640] <... ioctl resumed>) = 0 [ 101.456154][ T6639] loop3: detected capacity change from 0 to 256 [ 101.485520][ T6640] loop2: detected capacity change from 0 to 256 [ 101.486096][ T6641] loop0: detected capacity change from 0 to 256 [pid 6639] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] close(3 [pid 6641] close(3) = 0 [pid 6641] close(4) = 0 [pid 6641] mkdir("./bus", 0777 [pid 5837] <... close resumed>) = 0 [pid 6641] <... mkdir resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6641] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"..../strace-static-x86_64: Process 6642 attached ) = 0 [pid 6640] close(3 [pid 6641] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6640] <... close resumed>) = 0 [pid 6641] <... openat resumed>) = 3 [pid 6640] close(4 [pid 6641] chdir("./bus" [pid 6640] <... close resumed>) = 0 [pid 6641] <... chdir resumed>) = 0 [pid 6640] mkdir("./bus", 0777 [pid 6641] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6640] <... mkdir resumed>) = 0 [pid 6641] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6640] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6641] <... futex resumed>) = 1 [pid 6638] <... futex resumed>) = 0 [pid 6641] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6638] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6643 attached [pid 6642] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6638] <... futex resumed>) = 0 [pid 6642] <... rseq resumed>) = 0 [pid 6641] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6640] <... mount resumed>) = 0 [pid 6639] <... mount resumed>) = 0 [pid 6637] <... clone3 resumed> => {parent_tid=[6642]}, 88) = 6642 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6643 [pid 6642] set_robust_list(0x7fee5fb549a0, 24 [pid 6641] <... openat resumed>) = 4 [pid 6640] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6638] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6643] set_robust_list(0x55557a9486a0, 24 [pid 6642] <... set_robust_list resumed>) = 0 [pid 6641] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6640] <... openat resumed>) = 3 [pid 6639] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6637] rt_sigprocmask(SIG_SETMASK, [], [pid 6643] <... set_robust_list resumed>) = 0 [pid 6642] rt_sigprocmask(SIG_SETMASK, [], [pid 6641] <... futex resumed>) = 1 [pid 6640] chdir("./bus" [pid 6639] <... openat resumed>) = 3 [pid 6638] <... futex resumed>) = 0 [pid 6637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6643] chdir("./54" [pid 6642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6641] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6640] <... chdir resumed>) = 0 [pid 6639] chdir("./bus" [pid 6638] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] <... chdir resumed>) = 0 [pid 6642] memfd_create("syzkaller", 0 [pid 6641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6640] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6639] <... chdir resumed>) = 0 [pid 6638] <... futex resumed>) = 0 [pid 6637] <... futex resumed>) = 0 [pid 6643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6642] <... memfd_create resumed>) = 3 [pid 6641] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6640] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6638] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6643] <... prctl resumed>) = 0 [pid 6642] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6641] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6640] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6639] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6637] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6643] setpgid(0, 0 [pid 6642] <... mmap resumed>) = 0x7fee57600000 [pid 6641] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6640] <... futex resumed>) = 1 [pid 6639] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] <... futex resumed>) = 0 [pid 6643] <... setpgid resumed>) = 0 [pid 6642] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6641] <... futex resumed>) = 1 [pid 6640] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6639] <... futex resumed>) = 1 [pid 6638] <... futex resumed>) = 0 [pid 6635] <... futex resumed>) = 0 [pid 6643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6642] <... write resumed>) = 131072 [pid 6641] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6639] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6638] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] <... openat resumed>) = 3 [pid 6640] <... futex resumed>) = 0 [pid 6639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6638] <... futex resumed>) = 0 [pid 6636] <... futex resumed>) = 1 [pid 6635] <... futex resumed>) = 0 [pid 6640] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6639] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6638] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6636] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6635] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6643] write(3, "1000", 4 [pid 6642] munmap(0x7fee57600000, 138412032 [pid 6641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6640] <... openat resumed>) = 4 [pid 6639] <... openat resumed>) = 4 [pid 6643] <... write resumed>) = 4 [pid 6641] dup(4 [pid 6640] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6639] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] close(3 [pid 6642] <... munmap resumed>) = 0 [pid 6641] <... dup resumed>) = 5 [pid 6640] <... futex resumed>) = 1 [pid 6639] <... futex resumed>) = 1 [pid 6636] <... futex resumed>) = 0 [pid 6635] <... futex resumed>) = 0 [pid 6643] <... close resumed>) = 0 [pid 6642] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6641] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6640] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6639] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6636] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] symlink("/dev/binderfs", "./binderfs" [pid 6642] <... openat resumed>) = 4 [pid 6641] <... futex resumed>) = 1 [pid 6640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6638] <... futex resumed>) = 0 [pid 6636] <... futex resumed>) = 0 [pid 6635] <... futex resumed>) = 0 [pid 6643] <... symlink resumed>) = 0 [pid 6642] ioctl(4, LOOP_SET_FD, 3 [pid 6641] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6640] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6639] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6638] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6635] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6643] write(1, "executing program\n", 18 [pid 6642] <... ioctl resumed>) = 0 [pid 6641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6640] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6639] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6638] <... futex resumed>) = 0 [pid 6643] <... write resumed>) = 18 [pid 6643] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6638] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6643] <... futex resumed>) = 0 [pid 6639] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6642] close(3 [pid 6641] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6640] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6640] <... futex resumed>) = 1 [pid 6643] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6640] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6643] <... mmap resumed>) = 0x7fee5fb34000 [pid 6643] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6642] <... close resumed>) = 0 [pid 6639] <... futex resumed>) = 1 [pid 6636] <... futex resumed>) = 0 [pid 6642] close(4 [pid 6639] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6636] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] <... futex resumed>) = 0 [pid 6643] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6642] <... close resumed>) = 0 [pid 6640] <... futex resumed>) = 0 [pid 6639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6636] <... futex resumed>) = 1 [pid 6635] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6642] mkdir("./bus", 0777 [pid 6640] dup(4 [pid 6639] dup(4 [pid 6636] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6635] <... futex resumed>) = 0 [pid 6642] <... mkdir resumed>) = 0 [pid 6640] <... dup resumed>) = 5 [pid 6639] <... dup resumed>) = 5 [pid 6640] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6635] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6640] <... futex resumed>) = 0 [pid 6639] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6643] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6642] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6640] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6639] <... futex resumed>) = 0 [pid 6636] <... futex resumed>) = 0 [pid 6643] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6639] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6636] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6635] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6644 attached ) = 0 [pid 6635] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6643] <... clone3 resumed> => {parent_tid=[6644]}, 88) = 6644 [pid 6643] rt_sigprocmask(SIG_SETMASK, [], [pid 6644] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053) = 0 [pid 6643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6644] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6643] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6642] <... mount resumed>) = 0 [pid 6644] rt_sigprocmask(SIG_SETMASK, [], [pid 6643] <... futex resumed>) = 0 [pid 6644] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 101.554341][ T6642] loop4: detected capacity change from 0 to 256 [pid 6643] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6644] memfd_create("syzkaller", 0 [pid 6642] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6638] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6642] <... openat resumed>) = 3 [pid 6638] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] <... memfd_create resumed>) = 3 [pid 6642] chdir("./bus" [pid 6638] <... futex resumed>) = 0 [pid 6644] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6642] <... chdir resumed>) = 0 [pid 6638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6644] <... mmap resumed>) = 0x7fee57600000 [pid 6638] <... mmap resumed>) = 0x7fee5fb13000 [pid 6644] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 6642] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6638] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6644] munmap(0x7fee57600000, 138412032 [pid 6642] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6644] <... munmap resumed>) = 0 [pid 6638] <... mprotect resumed>) = 0 [pid 6642] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6642] <... futex resumed>) = 1 [pid 6638] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6637] <... futex resumed>) = 0 [pid 6644] <... openat resumed>) = 4 [pid 6638] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6637] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6642] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6637] <... futex resumed>) = 0 [pid 6644] ioctl(4, LOOP_SET_FD, 3 [pid 6642] <... openat resumed>) = 4 [pid 6637] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6645 attached [pid 6644] <... ioctl resumed>) = 0 [pid 6636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6635] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6645] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6642] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6645] <... rseq resumed>) = 0 [pid 6642] <... futex resumed>) = 1 [pid 6638] <... clone3 resumed> => {parent_tid=[6645]}, 88) = 6645 [pid 6636] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] <... futex resumed>) = 0 [pid 6645] set_robust_list(0x7fee5fb339a0, 24 [pid 6642] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6638] rt_sigprocmask(SIG_SETMASK, [], [pid 6636] <... futex resumed>) = 0 [pid 6635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6645] <... set_robust_list resumed>) = 0 [pid 6638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6645] rt_sigprocmask(SIG_SETMASK, [], [pid 6638] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] <... mmap resumed>) = 0x7fee5fb13000 [pid 6645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6638] <... futex resumed>) = 0 [pid 6635] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6645] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6638] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6635] <... mprotect resumed>) = 0 [pid 6637] <... futex resumed>) = 0 [pid 6637] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6642] <... futex resumed>) = 0 [pid 6637] <... futex resumed>) = 1 [pid 6642] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6637] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6642] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6642] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6645] <... madvise resumed>) = 0 [pid 6642] <... futex resumed>) = 1 [pid 6637] <... futex resumed>) = 0 [pid 6635] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6642] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6637] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] <... mmap resumed>) = 0x7fee5fb13000 [pid 6642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6637] <... futex resumed>) = 0 [pid 6642] dup(4 [pid 6637] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6636] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6642] <... dup resumed>) = 5 [pid 6642] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6637] <... futex resumed>) = 0 [pid 6636] <... mprotect resumed>) = 0 [pid 6635] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6637] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6636] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6637] <... futex resumed>) = 0 [pid 6637] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6646 attached [pid 6636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6647 attached [pid 6646] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6642] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6635] <... clone3 resumed> => {parent_tid=[6646]}, 88) = 6646 [pid 6646] <... rseq resumed>) = 0 [pid 6636] <... clone3 resumed> => {parent_tid=[6647]}, 88) = 6647 [pid 6635] rt_sigprocmask(SIG_SETMASK, [], [pid 6646] set_robust_list(0x7fee5fb339a0, 24 [pid 6636] rt_sigprocmask(SIG_SETMASK, [], [pid 6646] <... set_robust_list resumed>) = 0 [pid 6635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6646] rt_sigprocmask(SIG_SETMASK, [], [pid 6636] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] <... futex resumed>) = 0 [pid 6635] <... futex resumed>) = 0 [pid 6636] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6635] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6647] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6644] close(3 [pid 6647] <... rseq resumed>) = 0 [pid 6644] <... close resumed>) = 0 [pid 6647] set_robust_list(0x7fee5fb339a0, 24 [pid 6644] close(4 [pid 6647] <... set_robust_list resumed>) = 0 [pid 6644] <... close resumed>) = 0 [pid 6647] rt_sigprocmask(SIG_SETMASK, [], [pid 6646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6645] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] mkdir("./bus", 0777 [pid 6647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6645] <... futex resumed>) = 1 [pid 6646] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6647] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6646] <... madvise resumed>) = 0 [pid 6645] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6638] <... futex resumed>) = 0 [pid 6644] <... mkdir resumed>) = 0 [ 101.645126][ T6644] loop1: detected capacity change from 0 to 256 [pid 6644] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6647] <... madvise resumed>) = 0 [pid 6646] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] <... mount resumed>) = 0 [pid 6647] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] <... futex resumed>) = 1 [pid 6644] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6635] <... futex resumed>) = 0 [pid 6647] <... futex resumed>) = 1 [pid 6646] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6644] <... openat resumed>) = 3 [pid 6636] <... futex resumed>) = 0 [pid 6647] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6644] chdir("./bus") = 0 [pid 6637] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6644] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6637] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6637] <... futex resumed>) = 0 [pid 6644] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6644] <... futex resumed>) = 1 [pid 6643] <... futex resumed>) = 0 [pid 6637] <... mmap resumed>) = 0x7fee5fb13000 [pid 6644] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6643] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6643] <... futex resumed>) = 0 [pid 6637] <... mprotect resumed>) = 0 [pid 6644] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6643] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6637] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6644] <... openat resumed>) = 4 [pid 6637] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6644] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6648 attached [pid 6644] <... futex resumed>) = 1 [pid 6643] <... futex resumed>) = 0 [pid 6648] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6644] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6643] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... clone3 resumed> => {parent_tid=[6648]}, 88) = 6648 [pid 6648] <... rseq resumed>) = 0 [pid 6644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6637] rt_sigprocmask(SIG_SETMASK, [], [pid 6648] set_robust_list(0x7fee5fb339a0, 24 [pid 6644] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6643] <... futex resumed>) = 0 [pid 6637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6648] <... set_robust_list resumed>) = 0 [pid 6644] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6643] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6637] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] rt_sigprocmask(SIG_SETMASK, [], [pid 6644] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6637] <... futex resumed>) = 0 [pid 6648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6644] <... futex resumed>) = 0 [pid 6643] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6648] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6644] dup(4 [pid 6643] <... futex resumed>) = 0 [pid 6644] <... dup resumed>) = 5 [pid 6643] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6644] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6644] <... futex resumed>) = 0 [pid 6643] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6643] <... futex resumed>) = 0 [pid 6643] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6648] <... madvise resumed>) = 0 [pid 6648] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6648] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6637] <... futex resumed>) = 0 [pid 6643] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6643] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6644] <... mmap resumed>) = 0x20000000 [pid 6643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6642] <... mmap resumed>) = 0x20000000 [pid 6641] <... mmap resumed>) = 0x20000000 [pid 6644] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] <... mmap resumed>) = 0x7fee5fb13000 [pid 6642] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6640] <... mmap resumed>) = 0x20000000 [pid 6639] <... mmap resumed>) = 0x20000000 [pid 6637] exit_group(0 [pid 6648] <... futex resumed>) = ? [pid 6644] <... futex resumed>) = 0 [pid 6643] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6642] <... futex resumed>) = ? [pid 6641] <... futex resumed>) = 0 [pid 6640] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6639] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... exit_group resumed>) = ? [pid 6648] +++ exited with 0 +++ [pid 6644] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6643] <... mprotect resumed>) = 0 [pid 6642] +++ exited with 0 +++ [pid 6641] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6640] <... futex resumed>) = 0 [pid 6639] <... futex resumed>) = 0 [pid 6638] exit_group(0 [pid 6645] <... futex resumed>) = ? [pid 6643] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6641] <... futex resumed>) = ? [pid 6640] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6639] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6638] <... exit_group resumed>) = ? [pid 6635] exit_group(0 [pid 6645] +++ exited with 0 +++ [pid 6636] exit_group(0 [pid 6647] <... futex resumed>) = ? [pid 6646] <... futex resumed>) = ? [pid 6640] <... futex resumed>) = ? [pid 6639] <... futex resumed>) = ? [pid 6636] <... exit_group resumed>) = ? [pid 6635] <... exit_group resumed>) = ? [pid 6647] +++ exited with 0 +++ [pid 6646] +++ exited with 0 +++ [pid 6640] +++ exited with 0 +++ [pid 6639] +++ exited with 0 +++ [pid 6643] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6643] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6649 attached [pid 6637] +++ exited with 0 +++ [pid 6643] <... clone3 resumed> => {parent_tid=[6649]}, 88) = 6649 [pid 6643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6643] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6643] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6649] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053) = 0 [pid 6649] set_robust_list(0x7fee5fb339a0, 24 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6637, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6649] <... set_robust_list resumed>) = 0 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6649] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6649] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6636] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6636, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6641] +++ exited with 0 +++ [pid 6638] +++ exited with 0 +++ [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6638, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 6635] +++ exited with 0 +++ [pid 5836] <... restart_syscall resumed>) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6635, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5836] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5836] newfstatat(3, "", [pid 5840] <... restart_syscall resumed>) = 0 [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6649] <... madvise resumed>) = 0 [pid 5839] <... restart_syscall resumed>) = 0 [pid 5836] getdents64(3, [pid 5838] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... openat resumed>) = 3 [pid 5840] <... openat resumed>) = 3 [pid 5838] newfstatat(3, "", [pid 5836] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6649] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] newfstatat(3, "", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6649] <... futex resumed>) = 1 [pid 6643] <... futex resumed>) = 0 [pid 5839] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] getdents64(3, [pid 5836] newfstatat(AT_FDCWD, "./53/binderfs", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6649] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6643] exit_group(0 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6649] <... futex resumed>) = ? [pid 6644] <... futex resumed>) = ? [pid 6643] <... exit_group resumed>) = ? [pid 5840] getdents64(3, [pid 5839] newfstatat(3, "", [pid 5838] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] unlink("./53/binderfs" [pid 6649] +++ exited with 0 +++ [pid 6644] +++ exited with 0 +++ [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./54/binderfs", [pid 5836] <... unlink resumed>) = 0 [pid 5840] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] unlink("./54/binderfs" [pid 5840] newfstatat(AT_FDCWD, "./54/binderfs", [pid 5839] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 5840] unlink("./54/binderfs" [pid 5839] newfstatat(AT_FDCWD, "./53/binderfs", [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = 0 [pid 5840] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./53/binderfs" [pid 5836] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = 0 [pid 5840] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = 0 [pid 5836] newfstatat(AT_FDCWD, "./53/bus", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = 0 [pid 5838] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(AT_FDCWD, "./54/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./54/bus", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./54/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] openat(AT_FDCWD, "./53/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... openat resumed>) = 4 [pid 5840] newfstatat(4, "", [pid 5839] newfstatat(AT_FDCWD, "./53/bus", [pid 5838] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... openat resumed>) = 4 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] getdents64(4, [pid 5839] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] openat(AT_FDCWD, "./54/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] newfstatat(4, "", [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... openat resumed>) = 4 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(4, [pid 5839] openat(AT_FDCWD, "./53/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] newfstatat(4, "", [pid 5836] getdents64(4, [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... openat resumed>) = 4 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] close(4 [pid 5839] newfstatat(4, "", [pid 5838] getdents64(4, [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] <... close resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] getdents64(4, [pid 5840] rmdir("./54/bus" [pid 5839] getdents64(4, [pid 5838] getdents64(4, [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] close(4) = 0 [pid 5839] getdents64(4, [pid 5838] close(4 [pid 5840] getdents64(3, [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] <... close resumed>) = 0 [pid 5836] rmdir("./53/bus" [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] close(4 [pid 5838] rmdir("./54/bus" [pid 5836] <... rmdir resumed>) = 0 [pid 5840] close(3 [pid 5839] <... close resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] rmdir("./53/bus" [pid 5840] rmdir("./54") = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5836] getdents64(3, [pid 5838] getdents64(3, [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] close(3 [pid 5838] close(3 [pid 5836] <... close resumed>) = 0 [pid 5840] mkdir("./55", 0777 [pid 5839] getdents64(3, [pid 5838] <... close resumed>) = 0 [pid 5836] rmdir("./53" [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] rmdir("./54" [pid 5836] <... rmdir resumed>) = 0 [pid 5839] close(3 [pid 5838] <... rmdir resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] <... close resumed>) = 0 [pid 5839] rmdir("./53" [pid 5840] <... openat resumed>) = 3 [pid 5839] <... rmdir resumed>) = 0 [pid 5836] mkdir("./54", 0777 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5836] <... mkdir resumed>) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5838] mkdir("./55", 0777 [pid 5840] close(3 [pid 5839] mkdir("./54", 0777 [pid 5838] <... mkdir resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] <... ioctl resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5839] <... openat resumed>) = 3 [pid 5838] close(3 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] <... close resumed>) = 0 [pid 5836] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6650 attached [pid 5839] <... ioctl resumed>) = 0 [pid 5836] close(3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6650] set_robust_list(0x55557a9486a0, 24 [pid 5836] <... close resumed>) = 0 ./strace-static-x86_64: Process 6651 attached [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6650 [pid 6651] set_robust_list(0x55557a9486a0, 24 [pid 5839] close(3 [pid 6651] <... set_robust_list resumed>) = 0 [pid 6650] <... set_robust_list resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6651 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6651] chdir("./55" [pid 6650] chdir("./55"./strace-static-x86_64: Process 6652 attached ) = 0 [pid 6650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6651] <... chdir resumed>) = 0 [pid 6650] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6653 attached [pid 6651] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6650] setpgid(0, 0 [pid 6643] +++ exited with 0 +++ [pid 6653] set_robust_list(0x55557a9486a0, 24 [pid 6650] <... setpgid resumed>) = 0 [pid 6653] <... set_robust_list resumed>) = 0 [pid 6651] <... prctl resumed>) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6643, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6652 [pid 6652] set_robust_list(0x55557a9486a0, 24) = 0 [pid 5837] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6653] chdir("./54" [pid 6651] setpgid(0, 0 [pid 6653] <... chdir resumed>) = 0 [pid 6652] chdir("./54" [pid 6651] <... setpgid resumed>) = 0 [pid 6650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6653 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6653] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6652] <... chdir resumed>) = 0 [pid 6653] <... prctl resumed>) = 0 [pid 6652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] <... openat resumed>) = 3 [pid 6653] setpgid(0, 0 [pid 6652] <... prctl resumed>) = 0 [pid 6650] <... openat resumed>) = 3 [pid 5837] newfstatat(3, "", [pid 6653] <... setpgid resumed>) = 0 [pid 6652] setpgid(0, 0 [pid 6651] <... openat resumed>) = 3 [pid 6652] <... setpgid resumed>) = 0 [pid 6653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6653] <... openat resumed>) = 3 [pid 6652] <... openat resumed>) = 3 [pid 5837] getdents64(3, [pid 6652] write(3, "1000", 4) = 4 [pid 6652] close(3) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6651] write(3, "1000", 4 [pid 5837] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6651] <... write resumed>) = 4 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6651] close(3 [pid 5837] newfstatat(AT_FDCWD, "./54/binderfs", [pid 6653] write(3, "1000", 4 [pid 6651] <... close resumed>) = 0 [pid 6650] write(3, "1000", 4 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6653] <... write resumed>) = 4 [pid 6651] symlink("/dev/binderfs", "./binderfs" [pid 6650] <... write resumed>) = 4 [pid 5837] unlink("./54/binderfs" [pid 6653] close(3 [pid 6652] symlink("/dev/binderfs", "./binderfs" [pid 6651] <... symlink resumed>) = 0 [pid 6650] close(3 [pid 5837] <... unlink resumed>) = 0 [pid 6653] <... close resumed>) = 0 [pid 6652] <... symlink resumed>) = 0 executing program [pid 6650] <... close resumed>) = 0 [pid 5837] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6652] write(1, "executing program\n", 18 [pid 6650] symlink("/dev/binderfs", "./binderfs" [pid 6652] <... write resumed>) = 18 [pid 6652] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6650] <... symlink resumed>) = 0 [pid 6653] symlink("/dev/binderfs", "./binderfs" [pid 6652] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6650] write(1, "executing program\n", 18 [pid 6652] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6651] write(1, "executing program\n", 18executing program executing program [pid 6653] <... symlink resumed>) = 0 [pid 6652] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6651] <... write resumed>) = 18 [pid 6650] <... write resumed>) = 18 [pid 6652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6651] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] write(1, "executing program\n", 18 [pid 6650] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... mmap resumed>) = 0x7fee5fb34000 [pid 6651] <... futex resumed>) = 0 [pid 6650] <... futex resumed>) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 6652] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5837] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6652] <... mprotect resumed>) = 0 [pid 6650] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6653] <... write resumed>) = 18 [pid 6652] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6651] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6650] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5837] newfstatat(AT_FDCWD, "./54/bus", [pid 6653] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6651] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6653] <... futex resumed>) = 0 [pid 6652] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6651] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6654 attached [pid 6653] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6654] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6653] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6650] <... mmap resumed>) = 0x7fee5fb34000 [pid 5837] openat(AT_FDCWD, "./54/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6654] <... rseq resumed>) = 0 [pid 6653] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6652] <... clone3 resumed> => {parent_tid=[6654]}, 88) = 6654 [pid 6651] <... mmap resumed>) = 0x7fee5fb34000 [pid 6650] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6654] set_robust_list(0x7fee5fb549a0, 24 [pid 6653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6652] rt_sigprocmask(SIG_SETMASK, [], [pid 6651] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6650] <... mprotect resumed>) = 0 [pid 5837] <... openat resumed>) = 4 [pid 6654] <... set_robust_list resumed>) = 0 [pid 6653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6651] <... mprotect resumed>) = 0 [pid 6650] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] newfstatat(4, "", [pid 6654] rt_sigprocmask(SIG_SETMASK, [], [pid 6653] <... mmap resumed>) = 0x7fee5fb34000 [pid 6652] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6650] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6652] <... futex resumed>) = 0 [pid 5837] getdents64(4, [pid 6652] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6654] memfd_create("syzkaller", 0 [pid 6653] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6651] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6655 attached [pid 6653] <... mprotect resumed>) = 0 [pid 6651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] getdents64(4, ./strace-static-x86_64: Process 6656 attached [pid 6655] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6654] <... memfd_create resumed>) = 3 [pid 6653] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6650] <... clone3 resumed> => {parent_tid=[6655]}, 88) = 6655 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6656] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6654] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5837] close(4 [pid 6656] <... rseq resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 6656] set_robust_list(0x7fee5fb549a0, 24 [pid 6655] <... rseq resumed>) = 0 [pid 6654] <... mmap resumed>) = 0x7fee57600000 [pid 6653] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6651] <... clone3 resumed> => {parent_tid=[6656]}, 88) = 6656 [pid 6650] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] rmdir("./54/bus" [pid 6656] <... set_robust_list resumed>) = 0 [pid 6655] set_robust_list(0x7fee5fb549a0, 24 [pid 6653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6651] rt_sigprocmask(SIG_SETMASK, [], [pid 6650] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6657 attached [pid 6656] rt_sigprocmask(SIG_SETMASK, [], [pid 6655] <... set_robust_list resumed>) = 0 [pid 6651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6650] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... rmdir resumed>) = 0 [pid 6657] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6655] rt_sigprocmask(SIG_SETMASK, [], [pid 6654] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6653] <... clone3 resumed> => {parent_tid=[6657]}, 88) = 6657 [pid 6651] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] <... futex resumed>) = 0 [pid 6657] <... rseq resumed>) = 0 [pid 6656] memfd_create("syzkaller", 0 [pid 6655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6653] rt_sigprocmask(SIG_SETMASK, [], [pid 6651] <... futex resumed>) = 0 [pid 6650] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6657] set_robust_list(0x7fee5fb549a0, 24 [pid 6655] memfd_create("syzkaller", 0 [pid 6653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6651] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6653] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] <... set_robust_list resumed>) = 0 [pid 6653] <... futex resumed>) = 0 [pid 6657] rt_sigprocmask(SIG_SETMASK, [], [pid 6655] <... memfd_create resumed>) = 3 [pid 6653] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6655] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6657] memfd_create("syzkaller", 0 [pid 6655] <... mmap resumed>) = 0x7fee57600000 [pid 6655] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6656] <... memfd_create resumed>) = 3 [pid 5837] getdents64(3, [pid 6657] <... memfd_create resumed>) = 3 [pid 6654] <... write resumed>) = 131072 [pid 6656] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] close(3 [pid 6656] <... mmap resumed>) = 0x7fee57600000 [pid 5837] <... close resumed>) = 0 [pid 6657] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6656] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6655] <... write resumed>) = 131072 [pid 6654] munmap(0x7fee57600000, 138412032 [pid 5837] rmdir("./54" [pid 6657] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6654] <... munmap resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 6654] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5837] mkdir("./55", 0777 [pid 6655] munmap(0x7fee57600000, 138412032 [pid 6654] <... openat resumed>) = 4 [pid 6657] <... write resumed>) = 131072 [pid 6656] <... write resumed>) = 131072 [pid 6655] <... munmap resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 6655] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6654] ioctl(4, LOOP_SET_FD, 3 [pid 6655] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6657] munmap(0x7fee57600000, 138412032) = 0 [pid 6657] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6657] ioctl(4, LOOP_SET_FD, 3 [pid 6656] munmap(0x7fee57600000, 138412032 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6655] close(3 [pid 6657] <... ioctl resumed>) = 0 [pid 6656] <... munmap resumed>) = 0 [pid 6654] <... ioctl resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 6656] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6656] <... openat resumed>) = 4 [pid 6655] <... close resumed>) = 0 [pid 5837] <... ioctl resumed>) = 0 [pid 6656] ioctl(4, LOOP_SET_FD, 3 [pid 5837] close(3 [pid 6655] close(4 [pid 6654] close(3 [pid 6655] <... close resumed>) = 0 [pid 6654] <... close resumed>) = 0 [pid 6655] mkdir("./bus", 0777 [pid 6654] close(4 [pid 5837] <... close resumed>) = 0 [pid 6655] <... mkdir resumed>) = 0 [pid 6654] <... close resumed>) = 0 [pid 6655] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6654] mkdir("./bus", 0777) = 0 [pid 6654] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6657] close(3 [pid 6654] <... mount resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6657] <... close resumed>) = 0 [pid 6657] close(4) = 0 ./strace-static-x86_64: Process 6658 attached [pid 6657] mkdir("./bus", 0777 [pid 6655] <... mount resumed>) = 0 [pid 6654] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6658] set_robust_list(0x55557a9486a0, 24 [pid 6657] <... mkdir resumed>) = 0 [ 102.003084][ T6655] loop4: detected capacity change from 0 to 256 [ 102.004498][ T6654] loop0: detected capacity change from 0 to 256 [ 102.014553][ T6657] loop3: detected capacity change from 0 to 256 [pid 6655] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6658] <... set_robust_list resumed>) = 0 [pid 6657] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6655] <... openat resumed>) = 3 [pid 6658] chdir("./55" [pid 6655] chdir("./bus") = 0 [pid 6655] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6658] <... chdir resumed>) = 0 [pid 6655] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6655] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] <... prctl resumed>) = 0 [pid 6655] <... futex resumed>) = 1 [pid 6650] <... futex resumed>) = 0 [pid 6658] setpgid(0, 0 [pid 6657] <... mount resumed>) = 0 [pid 6654] <... openat resumed>) = 3 [pid 6650] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6658 [pid 6654] chdir("./bus" [pid 6658] <... setpgid resumed>) = 0 [pid 6657] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6655] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6650] <... futex resumed>) = 0 [pid 6658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6657] <... openat resumed>) = 3 [pid 6655] <... openat resumed>) = 4 [pid 6650] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6658] <... openat resumed>) = 3 [pid 6657] chdir("./bus" [pid 6655] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] <... chdir resumed>) = 0 [pid 6658] write(3, "1000", 4 [pid 6657] <... chdir resumed>) = 0 [pid 6655] <... futex resumed>) = 1 [pid 6650] <... futex resumed>) = 0 [pid 6658] <... write resumed>) = 4 [pid 6657] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6655] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6650] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] close(3 [pid 6657] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6655] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] <... futex resumed>) = 0 [pid 6658] <... close resumed>) = 0 [pid 6657] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6658] symlink("/dev/binderfs", "./binderfs" [pid 6656] <... ioctl resumed>) = 0 [pid 6654] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6653] <... futex resumed>) = 0 [pid 6656] close(3 [pid 6654] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6656] <... close resumed>) = 0 [pid 6654] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] close(4 [pid 6654] <... futex resumed>) = 1 [pid 6652] <... futex resumed>) = 0 [pid 6656] <... close resumed>) = 0 [pid 6652] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] mkdir("./bus", 0777 [pid 6654] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6652] <... futex resumed>) = 0 [pid 6658] <... symlink resumed>) = 0 [pid 6657] <... futex resumed>) = 1 [pid 6656] <... mkdir resumed>) = 0 [pid 6655] <... futex resumed>) = 0 [pid 6654] <... openat resumed>) = 4 [pid 6653] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6656] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6654] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6658] write(1, "executing program\n", 18 [pid 6657] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6655] dup(4 [pid 6654] <... futex resumed>) = 1 [pid 6653] <... futex resumed>) = 0 [pid 6652] <... futex resumed>) = 0 [pid 6650] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] <... write resumed>) = 18 [pid 6657] <... openat resumed>) = 4 [pid 6655] <... dup resumed>) = 5 [pid 6653] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6650] <... futex resumed>) = 0 [pid 6658] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] <... mount resumed>) = 0 [pid 6655] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6652] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] <... futex resumed>) = 0 [pid 6657] <... futex resumed>) = 0 [pid 6656] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6655] <... futex resumed>) = 0 [pid 6654] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... futex resumed>) = 0 [pid 6650] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6658] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6657] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6656] <... openat resumed>) = 3 [pid 6655] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6654] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] <... futex resumed>) = 0 [pid 6652] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6658] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6657] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6656] chdir("./bus" [pid 6654] <... futex resumed>) = 0 [pid 6653] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6650] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6657] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] <... chdir resumed>) = 0 [pid 6655] <... futex resumed>) = 0 [pid 6654] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6652] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] <... futex resumed>) = 1 [pid 6658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6657] <... futex resumed>) = 0 [pid 6656] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6655] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6653] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... futex resumed>) = 0 [pid 6650] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6657] dup(4 [pid 6656] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6654] dup(4 [pid 6653] <... futex resumed>) = 0 [pid 6652] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6656] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] <... dup resumed>) = 5 [pid 6656] <... futex resumed>) = 1 [pid 6654] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] <... futex resumed>) = 0 [pid 6656] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6654] <... futex resumed>) = 1 [pid 6652] <... futex resumed>) = 0 [pid 6651] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6654] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6652] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] <... futex resumed>) = 0 [pid 6656] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6652] <... futex resumed>) = 0 [ 102.056063][ T6656] loop2: detected capacity change from 0 to 256 [pid 6651] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6658] <... mmap resumed>) = 0x7fee5fb34000 [pid 6657] <... dup resumed>) = 5 [pid 6656] <... openat resumed>) = 4 [pid 6654] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6653] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6652] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6658] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6657] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] <... mprotect resumed>) = 0 [pid 6657] <... futex resumed>) = 1 [pid 6656] <... futex resumed>) = 1 [pid 6653] <... futex resumed>) = 0 [pid 6651] <... futex resumed>) = 0 [pid 6658] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6657] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6653] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6656] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6653] <... futex resumed>) = 0 [pid 6658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6653] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6651] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6659 attached [pid 6656] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... clone3 resumed> => {parent_tid=[6659]}, 88) = 6659 [pid 6651] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6658] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6658] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6656] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6656] <... futex resumed>) = 1 [pid 6651] <... futex resumed>) = 0 [pid 6659] <... rseq resumed>) = 0 [pid 6656] dup(4 [pid 6651] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] set_robust_list(0x7fee5fb549a0, 24 [pid 6656] <... dup resumed>) = 5 [pid 6651] <... futex resumed>) = 0 [pid 6659] <... set_robust_list resumed>) = 0 [pid 6656] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6659] rt_sigprocmask(SIG_SETMASK, [], [pid 6656] <... futex resumed>) = 0 [pid 6659] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6656] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6651] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] memfd_create("syzkaller", 0 [pid 6656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6651] <... futex resumed>) = 0 [pid 6656] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6651] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6659] <... memfd_create resumed>) = 3 [pid 6659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6659] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 6659] munmap(0x7fee57600000, 138412032) = 0 [pid 6659] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6659] ioctl(4, LOOP_SET_FD, 3 [pid 6650] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6650] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6650] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6650] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6659] <... ioctl resumed>) = 0 [pid 6652] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6659] close(3) = 0 [pid 6659] close(4) = 0 [pid 6653] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6659] mkdir("./bus", 0777 [pid 6653] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6653] <... futex resumed>) = 0 [pid 6652] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6652] <... futex resumed>) = 0 [pid 6650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6653] <... mmap resumed>) = 0x7fee5fb13000 [pid 6652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6653] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6650] <... clone3 resumed> => {parent_tid=[6660]}, 88) = 6660 [pid 6653] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6660 attached [], 8) = 0 [pid 6650] rt_sigprocmask(SIG_SETMASK, [], [pid 6653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6650] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6661 attached [pid 6660] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6650] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6661] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6660] <... rseq resumed>) = 0 [pid 6653] <... clone3 resumed> => {parent_tid=[6661]}, 88) = 6661 [pid 6650] <... futex resumed>) = 0 [pid 6661] <... rseq resumed>) = 0 [pid 6660] set_robust_list(0x7fee5fb339a0, 24 [pid 6659] <... mkdir resumed>) = 0 [pid 6653] rt_sigprocmask(SIG_SETMASK, [], [pid 6650] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6661] set_robust_list(0x7fee5fb339a0, 24 [pid 6660] <... set_robust_list resumed>) = 0 [pid 6659] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6652] <... mmap resumed>) = 0x7fee5fb13000 [pid 6661] <... set_robust_list resumed>) = 0 [pid 6660] rt_sigprocmask(SIG_SETMASK, [], [pid 6653] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6661] rt_sigprocmask(SIG_SETMASK, [], [pid 6660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6653] <... futex resumed>) = 0 [pid 6661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6660] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6653] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6652] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6651] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6661] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6660] <... madvise resumed>) = 0 [pid 6659] <... mount resumed>) = 0 [pid 6661] <... madvise resumed>) = 0 [pid 6659] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6652] <... mprotect resumed>) = 0 [pid 6651] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6652] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6652] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6651] <... mmap resumed>) = 0x7fee5fb13000 [pid 6652] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6651] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6662 attached [pid 6651] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6659] <... openat resumed>) = 3 [pid 6651] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6652] <... clone3 resumed> => {parent_tid=[6662]}, 88) = 6662 [pid 6651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6652] rt_sigprocmask(SIG_SETMASK, [], [pid 6660] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6662] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6659] chdir("./bus" [pid 6652] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] <... clone3 resumed> => {parent_tid=[6663]}, 88) = 6663 [pid 6659] <... chdir resumed>) = 0 [pid 6652] <... futex resumed>) = 0 [pid 6651] rt_sigprocmask(SIG_SETMASK, [], [pid 6662] <... rseq resumed>) = 0 [pid 6659] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6652] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6662] set_robust_list(0x7fee5fb339a0, 24 [pid 6659] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6651] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6662] <... set_robust_list resumed>) = 0 [pid 6660] <... futex resumed>) = 1 [pid 6650] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6663 attached [pid 6661] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6651] <... futex resumed>) = 0 [ 102.163431][ T6659] loop1: detected capacity change from 0 to 256 [pid 6663] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6662] rt_sigprocmask(SIG_SETMASK, [], [pid 6661] <... futex resumed>) = 1 [pid 6659] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] <... futex resumed>) = 0 [pid 6663] <... rseq resumed>) = 0 [pid 6662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6661] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6659] <... futex resumed>) = 1 [pid 6658] <... futex resumed>) = 0 [pid 6651] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6658] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6662] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6663] set_robust_list(0x7fee5fb339a0, 24 [pid 6659] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6658] <... futex resumed>) = 0 [pid 6663] <... set_robust_list resumed>) = 0 [pid 6658] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6663] rt_sigprocmask(SIG_SETMASK, [], [pid 6659] <... openat resumed>) = 4 [pid 6663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6663] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6659] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6662] <... madvise resumed>) = 0 [pid 6659] <... futex resumed>) = 1 [pid 6658] <... futex resumed>) = 0 [pid 6659] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6658] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... futex resumed>) = 0 [pid 6662] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6663] <... madvise resumed>) = 0 [pid 6662] <... futex resumed>) = 1 [pid 6659] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6652] <... futex resumed>) = 0 [pid 6663] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6662] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6659] <... futex resumed>) = 0 [pid 6658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6659] dup(4 [pid 6658] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6659] <... dup resumed>) = 5 [pid 6658] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6659] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6659] <... futex resumed>) = 0 [pid 6659] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6663] <... futex resumed>) = 1 [pid 6658] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] <... futex resumed>) = 0 [pid 6663] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6658] <... futex resumed>) = 1 [pid 6659] <... futex resumed>) = 0 [pid 6658] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6659] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6658] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6658] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] <... mmap resumed>) = 0x20000000 [pid 6658] <... futex resumed>) = 0 [pid 6658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6654] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] <... mmap resumed>) = 0x20000000 [pid 6654] <... futex resumed>) = 0 [pid 6655] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6652] exit_group(0 [pid 6655] <... futex resumed>) = 0 [pid 6652] <... exit_group resumed>) = ? [pid 6662] <... futex resumed>) = ? [pid 6655] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6654] <... futex resumed>) = ? [pid 6662] +++ exited with 0 +++ [pid 6650] exit_group(0 [pid 6660] <... futex resumed>) = ? [pid 6656] <... mmap resumed>) = 0x20000000 [pid 6655] <... futex resumed>) = ? [pid 6650] <... exit_group resumed>) = ? [pid 6660] +++ exited with 0 +++ [pid 6657] <... mmap resumed>) = 0x20000000 [pid 6656] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] +++ exited with 0 +++ [pid 6654] +++ exited with 0 +++ [pid 6652] +++ exited with 0 +++ [pid 6651] exit_group(0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6652, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6657] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6663] <... futex resumed>) = ? [pid 6651] <... exit_group resumed>) = ? [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 6663] +++ exited with 0 +++ [pid 6656] <... futex resumed>) = ? [pid 6659] <... mmap resumed>) = 0x20000000 [pid 6658] <... mmap resumed>) = 0x7fee5fb13000 [pid 6657] <... futex resumed>) = 0 [pid 6658] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6653] exit_group(0 [pid 6661] <... futex resumed>) = ? [pid 6658] <... mprotect resumed>) = 0 [pid 6653] <... exit_group resumed>) = ? [pid 6659] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6661] +++ exited with 0 +++ [pid 6658] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6664 attached [pid 6664] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6659] <... futex resumed>) = 0 [pid 6664] <... rseq resumed>) = 0 [pid 6659] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6658] <... clone3 resumed> => {parent_tid=[6664]}, 88) = 6664 [pid 5836] <... restart_syscall resumed>) = 0 [pid 6664] set_robust_list(0x7fee5fb339a0, 24 [pid 6658] rt_sigprocmask(SIG_SETMASK, [], [pid 6664] <... set_robust_list resumed>) = 0 [pid 6658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6664] rt_sigprocmask(SIG_SETMASK, [], [pid 6658] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6658] <... futex resumed>) = 0 [pid 6656] +++ exited with 0 +++ [pid 6651] +++ exited with 0 +++ [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6664] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6658] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6650] +++ exited with 0 +++ [pid 5836] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6664] <... madvise resumed>) = 0 [pid 6657] +++ exited with 0 +++ [pid 6653] +++ exited with 0 +++ [pid 5836] <... openat resumed>) = 3 [pid 6664] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6650, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6653, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6651, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5836] newfstatat(3, "", [pid 6664] <... futex resumed>) = 1 [pid 6658] <... futex resumed>) = 0 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6664] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6658] exit_group(0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5836] getdents64(3, [pid 6664] <... futex resumed>) = ? [pid 6659] <... futex resumed>) = ? [pid 6658] <... exit_group resumed>) = ? [pid 5839] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6664] +++ exited with 0 +++ [pid 6659] +++ exited with 0 +++ [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 3 [pid 5838] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(3, "", [pid 5838] <... openat resumed>) = 3 [pid 5836] newfstatat(AT_FDCWD, "./54/binderfs", [pid 5840] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] newfstatat(3, "", [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5839] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] unlink("./54/binderfs" [pid 5840] newfstatat(3, "", [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] getdents64(3, [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] <... unlink resumed>) = 0 [pid 5840] getdents64(3, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] newfstatat(AT_FDCWD, "./54/binderfs", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(AT_FDCWD, "./55/binderfs", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./54/binderfs" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... umount2 resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./55/binderfs", [pid 5839] <... unlink resumed>) = 0 [pid 5838] unlink("./55/binderfs" [pid 5836] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5840] unlink("./55/binderfs" [pid 5839] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... unlink resumed>) = 0 [pid 5838] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(AT_FDCWD, "./54/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = 0 [pid 5839] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./54/bus", [pid 5836] openat(AT_FDCWD, "./54/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] <... openat resumed>) = 4 [pid 5838] newfstatat(AT_FDCWD, "./55/bus", [pid 5836] newfstatat(4, "", [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] getdents64(4, [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./55/bus", [pid 5839] openat(AT_FDCWD, "./54/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 4 [pid 5838] openat(AT_FDCWD, "./55/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] getdents64(4, [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(4, "", [pid 5838] <... openat resumed>) = 4 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] openat(AT_FDCWD, "./55/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] newfstatat(4, "", [pid 5836] close(4 [pid 5840] <... openat resumed>) = 4 [pid 5839] getdents64(4, [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... close resumed>) = 0 [pid 5840] newfstatat(4, "", [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] rmdir("./54/bus" [pid 5839] getdents64(4, [pid 5840] getdents64(4, [pid 5838] getdents64(4, [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5840] getdents64(4, [pid 5839] close(4 [pid 5838] close(4) = 0 [pid 5838] rmdir("./55/bus") = 0 [pid 5838] getdents64(3, [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... close resumed>) = 0 [pid 5836] getdents64(3, [pid 5840] close(4 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] close(3 [pid 5840] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5840] rmdir("./55/bus" [pid 5836] rmdir("./54" [pid 5840] <... rmdir resumed>) = 0 [pid 5839] rmdir("./54/bus" [pid 6658] +++ exited with 0 +++ [pid 5840] getdents64(3, [pid 5838] close(3 [pid 5836] <... rmdir resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6658, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5836] mkdir("./55", 0777 [pid 5840] close(3 [pid 5839] getdents64(3, [pid 5838] rmdir("./55" [pid 5836] <... mkdir resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5840] <... close resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5839] close(3 [pid 5837] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... close resumed>) = 0 [pid 5840] rmdir("./55" [pid 5838] mkdir("./56", 0777 [pid 5836] <... ioctl resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] rmdir("./54" [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] mkdir("./56", 0777 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] close(3 [pid 5840] <... mkdir resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5837] newfstatat(3, "", [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] mkdir("./55", 0777 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... close resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 5837] getdents64(3, [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] <... ioctl resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... ioctl resumed>) = 0 [pid 5837] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] close(3 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] close(3 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6665 attached [pid 5840] <... close resumed>) = 0 [pid 6665] set_robust_list(0x55557a9486a0, 24 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6665 [pid 6665] <... set_robust_list resumed>) = 0 [pid 6665] chdir("./55") = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... ioctl resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./55/binderfs", ./strace-static-x86_64: Process 6666 attached [pid 5839] close(3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6667 attached [pid 6666] set_robust_list(0x55557a9486a0, 24 [pid 6665] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6666 [pid 5839] <... close resumed>) = 0 [pid 5837] unlink("./55/binderfs" [pid 6666] <... set_robust_list resumed>) = 0 [pid 6665] <... prctl resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6667 [pid 5837] <... unlink resumed>) = 0 [pid 6666] chdir("./56" [pid 6665] setpgid(0, 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6667] set_robust_list(0x55557a9486a0, 24 [pid 6665] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6668 attached [pid 6666] <... chdir resumed>) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 6666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6666] setpgid(0, 0) = 0 [pid 6668] set_robust_list(0x55557a9486a0, 24 [pid 6666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6668] <... set_robust_list resumed>) = 0 [pid 6666] <... openat resumed>) = 3 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6668 [pid 6668] chdir("./55" [pid 6666] write(3, "1000", 4 [pid 6668] <... chdir resumed>) = 0 [pid 6666] <... write resumed>) = 4 [pid 6665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6667] <... set_robust_list resumed>) = 0 [pid 6668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6666] close(3 [pid 5837] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6668] <... prctl resumed>) = 0 [pid 6666] <... close resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6668] setpgid(0, 0 [pid 6666] symlink("/dev/binderfs", "./binderfs" [pid 5837] newfstatat(AT_FDCWD, "./55/bus", [pid 6668] <... setpgid resumed>) = 0 [pid 6666] <... symlink resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6667] chdir("./56" executing program [pid 6666] write(1, "executing program\n", 18 [pid 5837] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6668] <... openat resumed>) = 3 [pid 6666] <... write resumed>) = 18 [pid 6665] <... openat resumed>) = 3 [pid 6667] <... chdir resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6666] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] write(3, "1000", 4 [pid 6668] write(3, "1000", 4 [pid 6667] <... prctl resumed>) = 0 [pid 6666] <... futex resumed>) = 0 [pid 6665] <... write resumed>) = 4 [pid 5837] openat(AT_FDCWD, "./55/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6668] <... write resumed>) = 4 [pid 6667] setpgid(0, 0 [pid 6666] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6665] close(3 [pid 5837] <... openat resumed>) = 4 [pid 6668] close(3 [pid 6667] <... setpgid resumed>) = 0 [pid 6666] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6665] <... close resumed>) = 0 [pid 6668] <... close resumed>) = 0 [pid 5837] newfstatat(4, "", [pid 6668] symlink("/dev/binderfs", "./binderfs" [pid 6667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6666] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6665] symlink("/dev/binderfs", "./binderfs" [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6668] <... symlink resumed>) = 0 [pid 6667] <... openat resumed>) = 3 [pid 6666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6667] write(3, "1000", 4executing program [pid 6665] <... symlink resumed>) = 0 [pid 5837] getdents64(4, [pid 6667] <... write resumed>) = 4 [pid 6665] write(1, "executing program\n", 18 [pid 6667] close(3 [pid 6665] <... write resumed>) = 18 [pid 6667] <... close resumed>) = 0 executing program [pid 6668] write(1, "executing program\n", 18 [pid 6667] symlink("/dev/binderfs", "./binderfs" [pid 6666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6665] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6668] <... write resumed>) = 18 [pid 6667] <... symlink resumed>) = 0 [pid 6666] <... mmap resumed>) = 0x7fee5fb34000 [pid 6665] <... futex resumed>) = 0 [pid 5837] getdents64(4, [pid 6668] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6667] write(1, "executing program\n", 18 [pid 6666] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6665] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 executing program [pid 6668] <... futex resumed>) = 0 [pid 6667] <... write resumed>) = 18 [pid 6666] <... mprotect resumed>) = 0 [pid 6665] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5837] close(4 [pid 6668] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6667] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6665] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5837] <... close resumed>) = 0 [pid 6668] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6667] <... futex resumed>) = 0 [pid 6668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6667] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6667] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6666] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] rmdir("./55/bus" [pid 6668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6667] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5837] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6669 attached [pid 6668] <... mmap resumed>) = 0x7fee5fb34000 [pid 6667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6665] <... mmap resumed>) = 0x7fee5fb34000 [pid 6667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6665] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6669] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6668] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6667] <... mmap resumed>) = 0x7fee5fb34000 [pid 6665] <... mprotect resumed>) = 0 [pid 5837] getdents64(3, [pid 6669] <... rseq resumed>) = 0 [pid 6668] <... mprotect resumed>) = 0 [pid 6666] <... clone3 resumed> => {parent_tid=[6669]}, 88) = 6669 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6669] set_robust_list(0x7fee5fb549a0, 24 [pid 6667] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6666] rt_sigprocmask(SIG_SETMASK, [], [pid 6665] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6669] <... set_robust_list resumed>) = 0 [pid 5837] close(3 [pid 6669] rt_sigprocmask(SIG_SETMASK, [], [pid 6668] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... close resumed>) = 0 [pid 6669] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6668] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6666] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] rmdir("./55" [pid 6669] memfd_create("syzkaller", 0 [pid 6668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6667] <... mprotect resumed>) = 0 [pid 6666] <... futex resumed>) = 0 [pid 6665] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6670 attached [pid 6669] <... memfd_create resumed>) = 3 [pid 6667] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6666] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6670] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6669] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6667] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] mkdir("./56", 0777./strace-static-x86_64: Process 6671 attached [pid 6670] <... rseq resumed>) = 0 [pid 6669] <... mmap resumed>) = 0x7fee57600000 [pid 6668] <... clone3 resumed> => {parent_tid=[6670]}, 88) = 6670 [pid 6667] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] <... mkdir resumed>) = 0 [pid 6671] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6670] set_robust_list(0x7fee5fb549a0, 24 [pid 6669] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6668] rt_sigprocmask(SIG_SETMASK, [], [pid 6670] <... set_robust_list resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6670] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6671] <... rseq resumed>) = 0 [pid 6670] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6667] <... clone3 resumed> => {parent_tid=[6672]}, 88) = 6672 [pid 6671] set_robust_list(0x7fee5fb549a0, 24 [pid 6667] rt_sigprocmask(SIG_SETMASK, [], [pid 6671] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6672 attached [pid 6669] <... write resumed>) = 131072 [pid 6668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6665] <... clone3 resumed> => {parent_tid=[6671]}, 88) = 6671 [pid 5837] <... openat resumed>) = 3 [pid 6672] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6668] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6671] rt_sigprocmask(SIG_SETMASK, [], [pid 6670] <... futex resumed>) = 0 [pid 6668] <... futex resumed>) = 1 [pid 6667] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] <... ioctl resumed>) = 0 [pid 6672] <... rseq resumed>) = 0 [pid 6670] memfd_create("syzkaller", 0 [pid 6669] munmap(0x7fee57600000, 138412032 [pid 6668] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6667] <... futex resumed>) = 0 [pid 6665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] close(3 [pid 6672] set_robust_list(0x7fee5fb549a0, 24 [pid 6671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6670] <... memfd_create resumed>) = 3 [pid 6669] <... munmap resumed>) = 0 [pid 6667] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6665] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... close resumed>) = 0 [pid 6672] <... set_robust_list resumed>) = 0 [pid 6665] <... futex resumed>) = 0 [pid 6672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6671] memfd_create("syzkaller", 0 [pid 6670] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6665] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6672] memfd_create("syzkaller", 0 [pid 6669] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6672] <... memfd_create resumed>) = 3 [pid 6670] <... mmap resumed>) = 0x7fee57600000 [pid 6669] <... openat resumed>) = 4 [pid 6669] ioctl(4, LOOP_SET_FD, 3 [pid 6671] <... memfd_create resumed>) = 3 [pid 6670] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072./strace-static-x86_64: Process 6673 attached [pid 6672] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6673] set_robust_list(0x55557a9486a0, 24 [pid 6672] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6673] <... set_robust_list resumed>) = 0 [pid 6673] chdir("./56" [pid 6671] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6673] <... chdir resumed>) = 0 [pid 6671] <... mmap resumed>) = 0x7fee57600000 [pid 6673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6672] <... write resumed>) = 131072 [pid 6673] <... prctl resumed>) = 0 [pid 6673] setpgid(0, 0) = 0 [pid 6673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6672] munmap(0x7fee57600000, 138412032 [pid 6670] <... write resumed>) = 131072 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6673 [pid 6672] <... munmap resumed>) = 0 [pid 6673] <... openat resumed>) = 3 [pid 6672] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6673] write(3, "1000", 4 [pid 6672] <... openat resumed>) = 4 [pid 6673] <... write resumed>) = 4 [pid 6672] ioctl(4, LOOP_SET_FD, 3 [pid 6673] close(3 [pid 6671] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6673] <... close resumed>) = 0 [pid 6673] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6673] write(1, "executing program\n", 18) = 18 [pid 6673] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6673] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 6673] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6673] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6673] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6669] <... ioctl resumed>) = 0 [pid 6673] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6669] close(3 [pid 6671] <... write resumed>) = 131072 ./strace-static-x86_64: Process 6674 attached [pid 6674] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6670] munmap(0x7fee57600000, 138412032 [pid 6671] munmap(0x7fee57600000, 138412032 [pid 6669] <... close resumed>) = 0 [pid 6673] <... clone3 resumed> => {parent_tid=[6674]}, 88) = 6674 [pid 6671] <... munmap resumed>) = 0 [pid 6670] <... munmap resumed>) = 0 [pid 6674] <... rseq resumed>) = 0 [pid 6673] rt_sigprocmask(SIG_SETMASK, [], [pid 6671] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6670] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6671] <... openat resumed>) = 4 [pid 6670] <... openat resumed>) = 4 [pid 6673] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] ioctl(4, LOOP_SET_FD, 3 [pid 6670] ioctl(4, LOOP_SET_FD, 3 [pid 6674] set_robust_list(0x7fee5fb549a0, 24 [pid 6673] <... futex resumed>) = 0 [pid 6669] close(4 [pid 6674] <... set_robust_list resumed>) = 0 [pid 6669] <... close resumed>) = 0 [pid 6674] rt_sigprocmask(SIG_SETMASK, [], [pid 6669] mkdir("./bus", 0777 [pid 6674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6674] memfd_create("syzkaller", 0 [pid 6672] <... ioctl resumed>) = 0 [pid 6671] <... ioctl resumed>) = 0 [pid 6669] <... mkdir resumed>) = 0 [pid 6674] <... memfd_create resumed>) = 3 [pid 6674] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6673] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6672] close(3 [pid 6674] <... mmap resumed>) = 0x7fee57600000 [pid 6669] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6674] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6672] <... close resumed>) = 0 [pid 6672] close(4 [pid 6674] <... write resumed>) = 131072 [pid 6672] <... close resumed>) = 0 [pid 6671] close(3 [pid 6672] mkdir("./bus", 0777 [pid 6671] <... close resumed>) = 0 [pid 6672] <... mkdir resumed>) = 0 [pid 6674] munmap(0x7fee57600000, 138412032 [pid 6671] close(4) = 0 [pid 6674] <... munmap resumed>) = 0 [pid 6671] mkdir("./bus", 0777 [pid 6672] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6671] <... mkdir resumed>) = 0 [pid 6674] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6669] <... mount resumed>) = 0 [pid 6674] <... openat resumed>) = 4 [pid 6672] <... mount resumed>) = 0 [pid 6671] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6670] <... ioctl resumed>) = 0 [pid 6669] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6674] ioctl(4, LOOP_SET_FD, 3 [pid 6672] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6669] <... openat resumed>) = 3 [ 102.533146][ T6669] loop4: detected capacity change from 0 to 256 [ 102.556238][ T6672] loop2: detected capacity change from 0 to 256 [ 102.559086][ T6670] loop3: detected capacity change from 0 to 256 [ 102.572282][ T6671] loop0: detected capacity change from 0 to 256 [pid 6670] close(3) = 0 [pid 6670] close(4) = 0 [pid 6670] mkdir("./bus", 0777) = 0 [pid 6670] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6674] <... ioctl resumed>) = 0 [pid 6672] <... openat resumed>) = 3 [pid 6671] <... mount resumed>) = 0 [pid 6669] chdir("./bus" [pid 6674] close(3 [pid 6672] chdir("./bus" [pid 6671] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6669] <... chdir resumed>) = 0 [pid 6674] <... close resumed>) = 0 [pid 6674] close(4 [pid 6672] <... chdir resumed>) = 0 [pid 6669] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6671] <... openat resumed>) = 3 [pid 6674] <... close resumed>) = 0 [pid 6672] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6674] mkdir("./bus", 0777 [pid 6672] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6671] chdir("./bus" [pid 6669] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6672] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] <... chdir resumed>) = 0 [pid 6674] <... mkdir resumed>) = 0 [pid 6672] <... futex resumed>) = 1 [pid 6671] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6669] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6672] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6671] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6669] <... futex resumed>) = 1 [pid 6666] <... futex resumed>) = 0 [pid 6674] <... mount resumed>) = 0 [pid 6671] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6667] <... futex resumed>) = 0 [pid 6666] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6671] <... futex resumed>) = 1 [pid 6670] <... mount resumed>) = 0 [pid 6669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6667] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] <... futex resumed>) = 0 [pid 6665] <... futex resumed>) = 0 [pid 6674] <... openat resumed>) = 3 [pid 6672] <... futex resumed>) = 0 [pid 6671] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6670] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6669] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6667] <... futex resumed>) = 1 [pid 6666] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] chdir("./bus" [pid 6672] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6670] <... openat resumed>) = 3 [pid 6669] <... openat resumed>) = 4 [pid 6667] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] <... futex resumed>) = 0 [pid 6674] <... chdir resumed>) = 0 [pid 6672] <... openat resumed>) = 4 [pid 6671] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6670] chdir("./bus" [pid 6669] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6674] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6672] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] <... openat resumed>) = 4 [pid 6670] <... chdir resumed>) = 0 [pid 6669] <... futex resumed>) = 1 [pid 6666] <... futex resumed>) = 0 [pid 6674] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6672] <... futex resumed>) = 1 [pid 6671] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6669] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6667] <... futex resumed>) = 0 [pid 6666] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6672] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6671] <... futex resumed>) = 1 [pid 6670] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6667] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] <... futex resumed>) = 0 [pid 6672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6670] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6667] <... futex resumed>) = 0 [pid 6665] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... futex resumed>) = 1 [pid 6673] <... futex resumed>) = 0 [pid 6672] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6671] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6670] <... futex resumed>) = 1 [pid 6669] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6668] <... futex resumed>) = 0 [pid 6667] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6666] <... futex resumed>) = 0 [pid 6674] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6673] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6672] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6671] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6669] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6668] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] <... futex resumed>) = 0 [pid 6674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6673] <... futex resumed>) = 0 [pid 6672] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6669] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6674] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6673] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6672] <... futex resumed>) = 1 [pid 6671] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6669] <... futex resumed>) = 0 [pid 6668] <... futex resumed>) = 0 [pid 6667] <... futex resumed>) = 0 [pid 6666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6674] <... openat resumed>) = 4 [pid 6672] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6671] <... futex resumed>) = 0 [pid 6670] <... openat resumed>) = 4 [pid 6669] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6671] dup(4 [pid 6670] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6667] <... futex resumed>) = 0 [pid 6666] <... futex resumed>) = 0 [pid 6665] <... futex resumed>) = 0 [pid 6674] <... futex resumed>) = 1 [pid 6673] <... futex resumed>) = 0 [pid 6672] dup(4 [pid 6671] <... dup resumed>) = 5 [pid 6670] <... futex resumed>) = 0 [pid 6669] dup(4 [pid 6668] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6667] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6666] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6674] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6673] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6672] <... dup resumed>) = 5 [pid 6671] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6669] <... dup resumed>) = 5 [pid 6668] <... futex resumed>) = 0 [pid 6665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6673] <... futex resumed>) = 0 [ 102.603345][ T6674] loop1: detected capacity change from 0 to 256 [pid 6672] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] <... futex resumed>) = 0 [pid 6670] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6669] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6668] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6673] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6672] <... futex resumed>) = 1 [pid 6671] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6670] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] <... futex resumed>) = 1 [pid 6667] <... futex resumed>) = 0 [pid 6666] <... futex resumed>) = 0 [pid 6665] <... futex resumed>) = 0 [pid 6674] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6672] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6670] <... futex resumed>) = 0 [pid 6668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6667] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6670] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6667] <... futex resumed>) = 0 [pid 6672] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6667] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6674] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6668] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... futex resumed>) = 1 [pid 6673] <... futex resumed>) = 0 [pid 6668] <... futex resumed>) = 1 [pid 6666] <... futex resumed>) = 0 [pid 6674] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6673] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] <... futex resumed>) = 0 [pid 6668] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6666] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6673] <... futex resumed>) = 0 [pid 6670] dup(4 [pid 6674] dup(4 [pid 6673] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6670] <... dup resumed>) = 5 [pid 6674] <... dup resumed>) = 5 [pid 6670] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6673] <... futex resumed>) = 0 [pid 6670] <... futex resumed>) = 1 [pid 6668] <... futex resumed>) = 0 [pid 6674] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6673] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6673] <... futex resumed>) = 0 [pid 6674] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6668] <... futex resumed>) = 0 [pid 6673] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6670] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6668] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6665] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6667] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6667] <... futex resumed>) = 0 [pid 6665] <... futex resumed>) = 0 [pid 6667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6667] <... mmap resumed>) = 0x7fee5fb13000 [pid 6667] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6667] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6666] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6665] <... mmap resumed>) = 0x7fee5fb13000 [pid 6666] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6666] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6667] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6666] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6665] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6667] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6666] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6665] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6675 attached ./strace-static-x86_64: Process 6676 attached [pid 6667] <... clone3 resumed> => {parent_tid=[6675]}, 88) = 6675 [pid 6666] <... clone3 resumed> => {parent_tid=[6676]}, 88) = 6676 [pid 6675] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6667] rt_sigprocmask(SIG_SETMASK, [], [pid 6666] rt_sigprocmask(SIG_SETMASK, [], [pid 6665] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6675] <... rseq resumed>) = 0 [pid 6673] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6668] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6665] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6676] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6675] set_robust_list(0x7fee5fb339a0, 24 [pid 6673] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6668] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6667] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6675] <... set_robust_list resumed>) = 0 [pid 6673] <... futex resumed>) = 0 [pid 6668] <... futex resumed>) = 0 [pid 6667] <... futex resumed>) = 0 [pid 6666] <... futex resumed>) = 0 [pid 6665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6676] <... rseq resumed>) = 0 [pid 6673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6667] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6666] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6677 attached [pid 6665] <... clone3 resumed> => {parent_tid=[6677]}, 88) = 6677 [pid 6675] rt_sigprocmask(SIG_SETMASK, [], [pid 6673] <... mmap resumed>) = 0x7fee5fb13000 [pid 6665] rt_sigprocmask(SIG_SETMASK, [], [pid 6677] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6676] set_robust_list(0x7fee5fb339a0, 24 [pid 6675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6673] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6677] <... rseq resumed>) = 0 [pid 6665] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6676] <... set_robust_list resumed>) = 0 [pid 6673] <... mprotect resumed>) = 0 [pid 6665] <... futex resumed>) = 0 [pid 6677] set_robust_list(0x7fee5fb339a0, 24 [pid 6675] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6665] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6676] rt_sigprocmask(SIG_SETMASK, [], [pid 6677] <... set_robust_list resumed>) = 0 [pid 6673] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6673] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6668] <... mmap resumed>) = 0x7fee5fb13000 [pid 6676] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6677] madvise(0x20000000, 6291456, MADV_DONTNEED./strace-static-x86_64: Process 6678 attached [pid 6673] <... clone3 resumed> => {parent_tid=[6678]}, 88) = 6678 [pid 6678] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6673] rt_sigprocmask(SIG_SETMASK, [], [pid 6668] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6678] <... rseq resumed>) = 0 [pid 6673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6668] <... mprotect resumed>) = 0 [pid 6673] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6673] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6678] set_robust_list(0x7fee5fb339a0, 24 [pid 6668] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6678] <... set_robust_list resumed>) = 0 [pid 6675] <... madvise resumed>) = 0 [pid 6668] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6678] rt_sigprocmask(SIG_SETMASK, [], [pid 6676] <... madvise resumed>) = 0 [pid 6678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6678] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6676] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] <... madvise resumed>) = 0 [pid 6675] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6675] <... futex resumed>) = 1 [pid 6667] <... futex resumed>) = 0 [pid 6676] <... futex resumed>) = 1 [pid 6666] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6679 attached [pid 6675] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] <... clone3 resumed> => {parent_tid=[6679]}, 88) = 6679 [pid 6676] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] rt_sigprocmask(SIG_SETMASK, [], [pid 6679] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6679] <... rseq resumed>) = 0 [pid 6668] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6679] set_robust_list(0x7fee5fb339a0, 24 [pid 6668] <... futex resumed>) = 0 [pid 6679] <... set_robust_list resumed>) = 0 [pid 6668] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6679] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6677] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6679] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6677] <... futex resumed>) = 1 [pid 6665] <... futex resumed>) = 0 [pid 6677] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6678] <... madvise resumed>) = 0 [pid 6678] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6679] <... madvise resumed>) = 0 [pid 6673] <... futex resumed>) = 0 [pid 6678] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6679] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6668] <... futex resumed>) = 0 [pid 6679] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6672] <... mmap resumed>) = 0x20000000 [pid 6671] <... mmap resumed>) = 0x20000000 [pid 6669] <... mmap resumed>) = 0x20000000 [pid 6670] <... mmap resumed>) = 0x20000000 [pid 6674] <... mmap resumed>) = 0x20000000 [pid 6674] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6672] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6669] <... futex resumed>) = 0 [pid 6672] <... futex resumed>) = 0 [pid 6671] <... futex resumed>) = 0 [pid 6670] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6672] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6671] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6670] <... futex resumed>) = 0 [pid 6673] exit_group(0 [pid 6670] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] exit_group(0 [pid 6667] exit_group(0 [pid 6666] exit_group(0 [pid 6679] <... futex resumed>) = ? [pid 6678] <... futex resumed>) = ? [pid 6675] <... futex resumed>) = ? [pid 6674] <... futex resumed>) = ? [pid 6673] <... exit_group resumed>) = ? [pid 6672] <... futex resumed>) = ? [pid 6670] <... futex resumed>) = ? [pid 6676] <... futex resumed>) = ? [pid 6668] <... exit_group resumed>) = ? [pid 6667] <... exit_group resumed>) = ? [pid 6669] <... futex resumed>) = ? [pid 6666] <... exit_group resumed>) = ? [pid 6665] exit_group(0 [pid 6679] +++ exited with 0 +++ [pid 6678] +++ exited with 0 +++ [pid 6676] +++ exited with 0 +++ [pid 6675] +++ exited with 0 +++ [pid 6674] +++ exited with 0 +++ [pid 6672] +++ exited with 0 +++ [pid 6670] +++ exited with 0 +++ [pid 6668] +++ exited with 0 +++ [pid 6677] <... futex resumed>) = ? [pid 6665] <... exit_group resumed>) = ? [pid 6669] +++ exited with 0 +++ [pid 6677] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6668, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5839] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, [pid 6671] <... futex resumed>) = ? [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./55/binderfs") = 0 [pid 5839] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6673] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6673, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 6666] +++ exited with 0 +++ [pid 5837] <... restart_syscall resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6666, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5837] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... openat resumed>) = 3 [pid 5840] <... openat resumed>) = 3 [pid 5839] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] newfstatat(3, "", [pid 6671] +++ exited with 0 +++ [pid 6665] +++ exited with 0 +++ [pid 5840] newfstatat(3, "", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6665, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5840] getdents64(3, [pid 5839] newfstatat(AT_FDCWD, "./55/bus", [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./56/binderfs", [pid 5840] newfstatat(AT_FDCWD, "./56/binderfs", [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] openat(AT_FDCWD, "./55/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] unlink("./56/binderfs" [pid 5836] <... restart_syscall resumed>) = 0 [pid 5839] <... openat resumed>) = 4 [pid 5837] <... unlink resumed>) = 0 [pid 5839] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] unlink("./56/binderfs" [pid 5837] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... unlink resumed>) = 0 [pid 5839] getdents64(4, [pid 5836] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] <... umount2 resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5836] newfstatat(3, "", [pid 5840] <... umount2 resumed>) = 0 [pid 5839] getdents64(4, [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] getdents64(3, [pid 5839] close(4 [pid 5837] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... close resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] rmdir("./55/bus" [pid 5836] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(AT_FDCWD, "./56/bus", [pid 5839] <... rmdir resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./56/bus", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] unlink("./55/binderfs" [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 5840] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./56/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] openat(AT_FDCWD, "./56/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... openat resumed>) = 4 [pid 5837] <... openat resumed>) = 4 [pid 5836] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] newfstatat(4, "", [pid 5840] getdents64(4, [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(4, [pid 5836] <... umount2 resumed>) = 0 [pid 5840] getdents64(4, [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] getdents64(4, [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] close(4 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] newfstatat(AT_FDCWD, "./55/bus", [pid 5840] <... close resumed>) = 0 [pid 5837] close(4 [pid 5840] rmdir("./56/bus" [pid 5839] getdents64(3, [pid 5837] <... close resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] rmdir("./56/bus" [pid 5836] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] close(3 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] getdents64(3, [pid 5839] <... close resumed>) = 0 [pid 5837] getdents64(3, [pid 5836] openat(AT_FDCWD, "./55/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] rmdir("./55" [pid 5836] <... openat resumed>) = 4 [pid 5840] close(3 [pid 5836] newfstatat(4, "", [pid 5840] <... close resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] rmdir("./56" [pid 5837] close(3 [pid 5840] <... rmdir resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5837] rmdir("./56" [pid 5839] mkdir("./56", 0777 [pid 5837] <... rmdir resumed>) = 0 [pid 5840] mkdir("./57", 0777 [pid 5839] <... mkdir resumed>) = 0 [pid 6667] +++ exited with 0 +++ [pid 5840] <... mkdir resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] mkdir("./57", 0777 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6667, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5838] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 3 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] getdents64(4, [pid 5837] <... mkdir resumed>) = 0 [pid 5839] <... ioctl resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] <... openat resumed>) = 3 [pid 5839] close(3 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5836] getdents64(4, [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5838] newfstatat(3, "", [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] close(3 [pid 5836] close(4 [pid 5838] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6680 attached [pid 5840] <... close resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./56/binderfs", [pid 5837] close(3 [pid 5836] <... close resumed>) = 0 [pid 6680] set_robust_list(0x55557a9486a0, 24 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6680 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] rmdir("./55/bus" [pid 6680] <... set_robust_list resumed>) = 0 [pid 5838] unlink("./56/binderfs" [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6682 attached ./strace-static-x86_64: Process 6681 attached [pid 6680] chdir("./56" [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6681 [pid 5838] <... unlink resumed>) = 0 [pid 5836] getdents64(3, [pid 6680] <... chdir resumed>) = 0 [pid 5838] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6682] set_robust_list(0x55557a9486a0, 24 [pid 6680] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6682 [pid 5836] close(3 [pid 6682] <... set_robust_list resumed>) = 0 [pid 6680] <... prctl resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 6682] chdir("./57" [pid 6680] setpgid(0, 0 [pid 5836] rmdir("./55" [pid 6680] <... setpgid resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 6682] <... chdir resumed>) = 0 [pid 6680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] mkdir("./56", 0777 [pid 6682] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6680] <... openat resumed>) = 3 [pid 5836] <... mkdir resumed>) = 0 [pid 6682] <... prctl resumed>) = 0 [pid 6680] write(3, "1000", 4 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6682] setpgid(0, 0 [pid 6680] <... write resumed>) = 4 [pid 5836] <... openat resumed>) = 3 [pid 6682] <... setpgid resumed>) = 0 [pid 6680] close(3 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6680] <... close resumed>) = 0 [pid 5836] <... ioctl resumed>) = 0 [pid 6680] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5836] close(3 [pid 6682] <... openat resumed>) = 3 [pid 6681] set_robust_list(0x55557a9486a0, 24 [pid 6680] write(1, "executing program\n", 18executing program [pid 6681] <... set_robust_list resumed>) = 0 [pid 6680] <... write resumed>) = 18 [pid 6681] chdir("./57" [pid 6680] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... close resumed>) = 0 [pid 6681] <... chdir resumed>) = 0 [pid 6682] write(3, "1000", 4) = 4 [pid 6681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6680] <... futex resumed>) = 0 [pid 6682] close(3 [pid 6681] <... prctl resumed>) = 0 [pid 6680] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5838] <... umount2 resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6682] <... close resumed>) = 0 [pid 6681] setpgid(0, 0) = 0 [pid 6682] symlink("/dev/binderfs", "./binderfs" [pid 6681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6682] <... symlink resumed>) = 0 [pid 6681] <... openat resumed>) = 3 [pid 5838] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6681] write(3, "1000", 4 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6681] <... write resumed>) = 4 [pid 5838] newfstatat(AT_FDCWD, "./56/bus", [pid 6681] close(3) = 0 [pid 6680] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6682] write(1, "executing program\n", 18 [pid 6681] symlink("/dev/binderfs", "./binderfs"executing program [pid 6680] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6683 attached [pid 5838] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6682] <... write resumed>) = 18 [pid 6681] <... symlink resumed>) = 0 [pid 6680] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6683] set_robust_list(0x55557a9486a0, 24 [pid 6682] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] write(1, "executing program\n", 18 [pid 6680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5838] openat(AT_FDCWD, "./56/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6683] <... set_robust_list resumed>) = 0 [pid 6682] <... futex resumed>) = 0 [pid 6681] <... write resumed>) = 18 [pid 6680] <... mmap resumed>) = 0x7fee5fb34000 [pid 6682] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6680] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6683] chdir("./56" [pid 5838] <... openat resumed>) = 4 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6683 [pid 6682] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6681] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] <... mprotect resumed>) = 0 [pid 5838] newfstatat(4, "", [pid 6683] <... chdir resumed>) = 0 [pid 6682] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6681] <... futex resumed>) = 0 [pid 6680] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6683] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6680] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6683] <... prctl resumed>) = 0 [pid 6682] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6681] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5838] getdents64(4, [pid 6683] setpgid(0, 0 [pid 6682] <... mmap resumed>) = 0x7fee5fb34000 [pid 6681] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6684 attached [pid 6683] <... setpgid resumed>) = 0 [pid 6682] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6684] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6682] <... mprotect resumed>) = 0 [pid 6680] <... clone3 resumed> => {parent_tid=[6684]}, 88) = 6684 [pid 6681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] getdents64(4, [pid 6684] <... rseq resumed>) = 0 [pid 6683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6682] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6680] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6684] set_robust_list(0x7fee5fb549a0, 24 [pid 6683] <... openat resumed>) = 3 [pid 6682] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6681] <... mmap resumed>) = 0x7fee5fb34000 [pid 5838] close(4 [pid 6683] write(3, "1000", 4 [pid 6681] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5838] <... close resumed>) = 0 [pid 6684] <... set_robust_list resumed>) = 0 [pid 6683] <... write resumed>) = 4 [pid 6682] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6681] <... mprotect resumed>) = 0 [pid 6680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] rmdir("./56/bus") = 0 [pid 6683] close(3 [pid 6681] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6683] <... close resumed>) = 0 [pid 6683] symlink("/dev/binderfs", "./binderfs" [pid 6681] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6683] <... symlink resumed>) = 0 [pid 5838] getdents64(3, executing program ./strace-static-x86_64: Process 6685 attached [pid 6684] rt_sigprocmask(SIG_SETMASK, [], [pid 6683] write(1, "executing program\n", 18 [pid 6681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6680] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6686 attached [pid 6685] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6683] <... write resumed>) = 18 [pid 6682] <... clone3 resumed> => {parent_tid=[6685]}, 88) = 6685 [pid 6680] <... futex resumed>) = 0 [pid 6686] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6685] <... rseq resumed>) = 0 [pid 6683] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] <... clone3 resumed> => {parent_tid=[6686]}, 88) = 6686 [pid 5838] close(3 [pid 6682] rt_sigprocmask(SIG_SETMASK, [], [pid 6686] <... rseq resumed>) = 0 [pid 6685] set_robust_list(0x7fee5fb549a0, 24 [pid 6684] memfd_create("syzkaller", 0 [pid 6683] <... futex resumed>) = 0 [pid 6680] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6686] set_robust_list(0x7fee5fb549a0, 24 [pid 6685] <... set_robust_list resumed>) = 0 [pid 6684] <... memfd_create resumed>) = 3 [pid 6683] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6682] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] <... close resumed>) = 0 [pid 6686] <... set_robust_list resumed>) = 0 [pid 6685] rt_sigprocmask(SIG_SETMASK, [], [pid 6684] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6683] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6682] <... futex resumed>) = 0 [pid 6681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] rmdir("./56" [pid 6686] rt_sigprocmask(SIG_SETMASK, [], [pid 6685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6684] <... mmap resumed>) = 0x7fee57600000 [pid 6683] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6682] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6681] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... rmdir resumed>) = 0 [pid 6686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6685] memfd_create("syzkaller", 0 [pid 6683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6681] <... futex resumed>) = 0 [pid 6686] memfd_create("syzkaller", 0 [pid 6685] <... memfd_create resumed>) = 3 [pid 6683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6681] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6686] <... memfd_create resumed>) = 3 [pid 6685] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6684] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6683] <... mmap resumed>) = 0x7fee5fb34000 [pid 5838] mkdir("./57", 0777 [pid 6686] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6685] <... mmap resumed>) = 0x7fee57600000 [pid 6683] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5838] <... mkdir resumed>) = 0 [pid 6686] <... mmap resumed>) = 0x7fee57600000 [pid 6685] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6683] <... mprotect resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6686] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6685] <... write resumed>) = 131072 [pid 6684] <... write resumed>) = 131072 [pid 6683] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] <... openat resumed>) = 3 [pid 6686] <... write resumed>) = 131072 [pid 6685] munmap(0x7fee57600000, 138412032 [pid 6684] munmap(0x7fee57600000, 138412032 [pid 6683] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6686] munmap(0x7fee57600000, 138412032 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 6685] <... munmap resumed>) = 0 [pid 6686] <... munmap resumed>) = 0 [pid 6684] <... munmap resumed>) = 0 [pid 6685] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6683] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5838] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6687 attached [pid 6686] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6685] <... openat resumed>) = 4 [pid 6684] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] close(3 [pid 6687] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6686] <... openat resumed>) = 4 [pid 6687] <... rseq resumed>) = 0 [pid 6686] ioctl(4, LOOP_SET_FD, 3 [pid 6687] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6685] ioctl(4, LOOP_SET_FD, 3 [pid 6684] <... openat resumed>) = 4 [pid 6683] <... clone3 resumed> => {parent_tid=[6687]}, 88) = 6687 [pid 5838] <... close resumed>) = 0 [pid 6687] rt_sigprocmask(SIG_SETMASK, [], [pid 6686] <... ioctl resumed>) = 0 [pid 6684] ioctl(4, LOOP_SET_FD, 3 [pid 6683] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6687] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6688 attached [pid 6687] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6688] set_robust_list(0x55557a9486a0, 24 [pid 6686] close(3 [pid 6688] <... set_robust_list resumed>) = 0 [pid 6686] <... close resumed>) = 0 [pid 6683] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6686] close(4 [pid 6688] chdir("./57" [pid 6687] <... futex resumed>) = 0 [pid 6686] <... close resumed>) = 0 [pid 6683] <... futex resumed>) = 1 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6688 [pid 6687] memfd_create("syzkaller", 0 [pid 6686] mkdir("./bus", 0777 [pid 6683] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6687] <... memfd_create resumed>) = 3 [pid 6685] <... ioctl resumed>) = 0 [pid 6688] <... chdir resumed>) = 0 [pid 6687] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6686] <... mkdir resumed>) = 0 [pid 6684] <... ioctl resumed>) = 0 [pid 6688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6687] <... mmap resumed>) = 0x7fee57600000 [pid 6686] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6688] <... prctl resumed>) = 0 [pid 6685] close(3 [pid 6684] close(3 [pid 6688] setpgid(0, 0 [pid 6687] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6686] <... mount resumed>) = 0 [pid 6685] <... close resumed>) = 0 [pid 6684] <... close resumed>) = 0 [pid 6688] <... setpgid resumed>) = 0 [pid 6685] close(4 [pid 6684] close(4 [pid 6685] <... close resumed>) = 0 [pid 6688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6684] <... close resumed>) = 0 [pid 6685] mkdir("./bus", 0777) = 0 [pid 6684] mkdir("./bus", 0777 [pid 6685] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6684] <... mkdir resumed>) = 0 [pid 6684] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6688] <... openat resumed>) = 3 [pid 6688] write(3, "1000", 4 [pid 6686] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6688] <... write resumed>) = 4 [pid 6687] <... write resumed>) = 131072 [pid 6686] <... openat resumed>) = 3 [pid 6688] close(3 [pid 6686] chdir("./bus") = 0 [pid 6688] <... close resumed>) = 0 [pid 6686] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6688] symlink("/dev/binderfs", "./binderfs" [pid 6686] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6684] <... mount resumed>) = 0 [pid 6684] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6688] <... symlink resumed>) = 0 [pid 6686] <... futex resumed>) = 1 [pid 6684] <... openat resumed>) = 3 [pid 6681] <... futex resumed>) = 0 [pid 6684] chdir("./bus" [pid 6681] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6688] write(1, "executing program\n", 18 [pid 6687] munmap(0x7fee57600000, 138412032 [pid 6686] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6681] <... futex resumed>) = 0 [ 103.062746][ T6686] loop4: detected capacity change from 0 to 256 [ 103.068592][ T6685] loop1: detected capacity change from 0 to 256 [ 103.078402][ T6684] loop3: detected capacity change from 0 to 256 [pid 6688] <... write resumed>) = 18 [pid 6687] <... munmap resumed>) = 0 [pid 6685] <... mount resumed>) = 0 [pid 6684] <... chdir resumed>) = 0 [pid 6681] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6688] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6686] <... openat resumed>) = 4 [pid 6685] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6684] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6688] <... futex resumed>) = 0 [pid 6687] <... openat resumed>) = 4 [pid 6686] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] <... openat resumed>) = 3 [pid 6684] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6688] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6687] ioctl(4, LOOP_SET_FD, 3 [pid 6686] <... futex resumed>) = 1 [pid 6688] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6686] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6685] chdir("./bus" [pid 6684] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] <... futex resumed>) = 0 [pid 6685] <... chdir resumed>) = 0 [pid 6684] <... futex resumed>) = 1 [pid 6681] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6684] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6681] <... futex resumed>) = 1 [pid 6685] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6681] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6685] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6685] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6680] <... futex resumed>) = 0 [pid 6682] <... futex resumed>) = 0 [pid 6682] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6686] <... futex resumed>) = 0 [pid 6682] <... futex resumed>) = 1 [pid 6680] <... futex resumed>) = 1 [pid 6684] <... futex resumed>) = 0 [pid 6685] <... futex resumed>) = 0 [pid 6688] <... mmap resumed>) = 0x7fee5fb34000 [pid 6687] <... ioctl resumed>) = 0 [pid 6685] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6684] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6680] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6686] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6688] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6685] <... openat resumed>) = 4 [pid 6682] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6684] <... openat resumed>) = 4 [pid 6686] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6688] <... mprotect resumed>) = 0 [pid 6687] close(3 [pid 6686] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6684] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] <... futex resumed>) = 1 [pid 6684] <... futex resumed>) = 1 [pid 6682] <... futex resumed>) = 0 [pid 6680] <... futex resumed>) = 0 [pid 6688] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6687] <... close resumed>) = 0 [pid 6686] <... futex resumed>) = 1 [pid 6685] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6684] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6681] <... futex resumed>) = 0 [pid 6680] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6687] close(4 [pid 6686] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6682] <... futex resumed>) = 0 [pid 6681] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] <... futex resumed>) = 0 [pid 6688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6687] <... close resumed>) = 0 [pid 6686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6685] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6684] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6682] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6681] <... futex resumed>) = 0 [pid 6680] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6687] mkdir("./bus", 0777 [pid 6686] dup(4 [pid 6685] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6686] <... dup resumed>) = 5 [pid 6685] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6684] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6686] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] <... futex resumed>) = 1 [pid 6682] <... futex resumed>) = 0 [pid 6684] <... futex resumed>) = 1 [pid 6686] <... futex resumed>) = 0 [pid 6685] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6684] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6682] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] <... futex resumed>) = 0 [pid 6686] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6682] <... futex resumed>) = 0 [pid 6680] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6689 attached [pid 6687] <... mkdir resumed>) = 0 [pid 6684] <... futex resumed>) = 0 [pid 6682] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6681] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] <... futex resumed>) = 1 [pid 6689] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6684] dup(4 [pid 6681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6680] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] <... rseq resumed>) = 0 [pid 6684] <... dup resumed>) = 5 [pid 6681] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] set_robust_list(0x7fee5fb549a0, 24 [pid 6688] <... clone3 resumed> => {parent_tid=[6689]}, 88) = 6689 [pid 6687] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6686] <... futex resumed>) = 0 [pid 6685] dup(4 [pid 6684] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] <... futex resumed>) = 1 [pid 6689] <... set_robust_list resumed>) = 0 [pid 6688] rt_sigprocmask(SIG_SETMASK, [], [pid 6686] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6684] <... futex resumed>) = 1 [pid 6681] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] <... futex resumed>) = 0 [pid 6688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6685] <... dup resumed>) = 5 [pid 6684] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6680] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6680] <... futex resumed>) = 0 [pid 6685] <... futex resumed>) = 1 [pid 6684] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6682] <... futex resumed>) = 0 [pid 6680] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6685] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6682] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] rt_sigprocmask(SIG_SETMASK, [], [pid 6685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6682] <... futex resumed>) = 0 [pid 6689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6685] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6682] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] memfd_create("syzkaller", 0) = 3 [pid 6689] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6689] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6688] <... futex resumed>) = 0 [pid 6687] <... mount resumed>) = 0 [pid 6688] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 103.126239][ T6687] loop0: detected capacity change from 0 to 256 [pid 6687] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6689] <... write resumed>) = 131072 [pid 6687] <... openat resumed>) = 3 [pid 6689] munmap(0x7fee57600000, 138412032 [pid 6687] chdir("./bus") = 0 [pid 6687] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6689] <... munmap resumed>) = 0 [pid 6689] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6689] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6689] close(3) = 0 [pid 6689] close(4) = 0 [pid 6687] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6683] <... futex resumed>) = 0 [pid 6687] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6683] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6683] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] mkdir("./bus", 0777) = 0 [pid 6687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6681] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6680] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6689] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6687] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6681] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] <... openat resumed>) = 4 [pid 6681] <... futex resumed>) = 0 [pid 6687] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6680] <... futex resumed>) = 0 [pid 6687] <... futex resumed>) = 1 [pid 6683] <... futex resumed>) = 0 [pid 6682] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6681] <... mmap resumed>) = 0x7fee5fb13000 [pid 6680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6687] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6683] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6683] <... futex resumed>) = 0 [pid 6682] <... futex resumed>) = 0 [pid 6680] <... mmap resumed>) = 0x7fee5fb13000 [pid 6687] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6683] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6682] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6680] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6689] <... mount resumed>) = 0 [pid 6682] <... mmap resumed>) = 0x7fee5fb13000 [pid 6681] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6689] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6682] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6681] <... mprotect resumed>) = 0 [pid 6680] <... mprotect resumed>) = 0 [pid 6689] <... openat resumed>) = 3 [pid 6687] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6682] <... mprotect resumed>) = 0 [pid 6681] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6689] chdir("./bus" [pid 6687] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6681] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6689] <... chdir resumed>) = 0 [pid 6687] <... futex resumed>) = 1 [pid 6683] <... futex resumed>) = 0 [pid 6682] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6680] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6683] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6683] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6690 attached [pid 6689] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6683] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6691 attached [pid 6690] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6689] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6687] dup(4 [pid 6682] <... clone3 resumed> => {parent_tid=[6690]}, 88) = 6690 [pid 6681] <... clone3 resumed> => {parent_tid=[6691]}, 88) = 6691 [pid 6680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6691] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6690] <... rseq resumed>) = 0 [pid 6689] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] <... dup resumed>) = 5 [pid 6682] rt_sigprocmask(SIG_SETMASK, [], [pid 6681] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6692 attached [pid 6691] <... rseq resumed>) = 0 [pid 6690] set_robust_list(0x7fee5fb339a0, 24 [pid 6689] <... futex resumed>) = 1 [pid 6688] <... futex resumed>) = 0 [pid 6687] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6691] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6689] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6688] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] <... openat resumed>) = 4 [pid 6688] <... futex resumed>) = 0 [pid 6682] <... futex resumed>) = 0 [pid 6681] <... futex resumed>) = 0 [pid 6691] rt_sigprocmask(SIG_SETMASK, [], [pid 6690] <... set_robust_list resumed>) = 0 [pid 6689] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6687] <... futex resumed>) = 1 [pid 6683] <... futex resumed>) = 0 [pid 6682] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6681] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] <... clone3 resumed> => {parent_tid=[6692]}, 88) = 6692 [pid 6692] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6690] rt_sigprocmask(SIG_SETMASK, [], [pid 6689] <... futex resumed>) = 0 [pid 6688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 103.198833][ T6689] loop2: detected capacity change from 0 to 256 [pid 6683] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6692] <... rseq resumed>) = 0 [pid 6691] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6689] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6688] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6683] <... futex resumed>) = 0 [pid 6680] rt_sigprocmask(SIG_SETMASK, [], [pid 6692] set_robust_list(0x7fee5fb339a0, 24 [pid 6690] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6683] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6688] <... futex resumed>) = 0 [pid 6692] <... set_robust_list resumed>) = 0 [pid 6689] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6680] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6688] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] <... futex resumed>) = 0 [pid 6692] rt_sigprocmask(SIG_SETMASK, [], [pid 6691] <... madvise resumed>) = 0 [pid 6689] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6689] <... futex resumed>) = 0 [pid 6688] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6692] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6689] dup(4 [pid 6688] <... futex resumed>) = 0 [pid 6689] <... dup resumed>) = 5 [pid 6688] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6689] <... futex resumed>) = 0 [pid 6688] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6688] <... futex resumed>) = 0 [pid 6691] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6691] <... futex resumed>) = 1 [pid 6681] <... futex resumed>) = 0 [pid 6691] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6692] <... madvise resumed>) = 0 [pid 6690] <... madvise resumed>) = 0 [pid 6690] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6690] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6682] <... futex resumed>) = 0 [pid 6692] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6680] <... futex resumed>) = 0 [pid 6692] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6683] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6683] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6683] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6683] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6683] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6688] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6693 attached [pid 6688] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] <... clone3 resumed> => {parent_tid=[6693]}, 88) = 6693 [pid 6693] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6688] <... futex resumed>) = 0 [pid 6683] rt_sigprocmask(SIG_SETMASK, [], [pid 6693] <... rseq resumed>) = 0 [pid 6688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6693] set_robust_list(0x7fee5fb339a0, 24 [pid 6688] <... mmap resumed>) = 0x7fee5fb13000 [pid 6693] <... set_robust_list resumed>) = 0 [pid 6688] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6683] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6693] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6688] <... mprotect resumed>) = 0 [pid 6688] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} => {parent_tid=[6694]}, 88) = 6694 [pid 6688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6694 attached [pid 6688] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6688] <... futex resumed>) = 0 [pid 6694] <... rseq resumed>) = 0 [pid 6688] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6694] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6694] rt_sigprocmask(SIG_SETMASK, [], [pid 6693] <... madvise resumed>) = 0 [pid 6694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6694] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6683] <... futex resumed>) = 0 [pid 6683] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6694] <... madvise resumed>) = 0 [pid 6694] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] <... mmap resumed>) = 0x20000000 [pid 6686] <... mmap resumed>) = 0x20000000 [pid 6684] <... mmap resumed>) = 0x20000000 [pid 6694] <... futex resumed>) = 1 [pid 6693] <... futex resumed>) = 1 [pid 6688] <... futex resumed>) = 0 [pid 6687] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6686] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] <... futex resumed>) = 0 [pid 6681] exit_group(0 [pid 6694] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6693] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6691] <... futex resumed>) = ? [pid 6687] <... futex resumed>) = 0 [pid 6684] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] exit_group(0 [pid 6681] <... exit_group resumed>) = ? [pid 6693] <... futex resumed>) = ? [pid 6691] +++ exited with 0 +++ [pid 6689] <... mmap resumed>) = 0x20000000 [pid 6686] <... futex resumed>) = ? [pid 6685] <... mmap resumed>) = 0x20000000 [pid 6684] <... futex resumed>) = 0 [pid 6683] <... exit_group resumed>) = ? [pid 6693] +++ exited with 0 +++ [pid 6689] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] +++ exited with 0 +++ [pid 6685] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6684] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6689] <... futex resumed>) = 0 [pid 6688] exit_group(0 [pid 6686] +++ exited with 0 +++ [pid 6685] <... futex resumed>) = 0 [pid 6683] +++ exited with 0 +++ [pid 6682] exit_group(0 [pid 6681] +++ exited with 0 +++ [pid 6680] exit_group(0 [pid 6694] <... futex resumed>) = ? [pid 6692] <... futex resumed>) = ? [pid 6690] <... futex resumed>) = ? [pid 6688] <... exit_group resumed>) = ? [pid 6684] <... futex resumed>) = ? [pid 6682] <... exit_group resumed>) = ? [pid 6680] <... exit_group resumed>) = ? [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6681, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6683, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6692] +++ exited with 0 +++ [pid 6690] +++ exited with 0 +++ [pid 6689] +++ exited with 0 +++ [pid 6685] +++ exited with 0 +++ [pid 5840] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... openat resumed>) = 3 [pid 5840] newfstatat(3, "", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./57/binderfs") = 0 [pid 5840] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6684] +++ exited with 0 +++ [pid 6680] +++ exited with 0 +++ [pid 5836] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6680, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5836] newfstatat(3, "", [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./56/binderfs", [pid 5839] <... restart_syscall resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6694] +++ exited with 0 +++ [pid 6688] +++ exited with 0 +++ [pid 5836] unlink("./56/binderfs" [pid 5840] <... umount2 resumed>) = 0 [pid 5839] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6688, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5840] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5836] <... unlink resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./57/bus", [pid 5839] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./57/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] newfstatat(3, "", [pid 5840] <... openat resumed>) = 4 [pid 5840] newfstatat(4, "", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... umount2 resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(4, [pid 5839] getdents64(3, [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] close(4 [pid 5836] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... close resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] rmdir("./57/bus") = 0 [pid 5836] newfstatat(AT_FDCWD, "./56/bus", [pid 5840] getdents64(3, [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5836] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] rmdir("./57") = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... restart_syscall resumed>) = 0 [pid 5839] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] mkdir("./58", 0777 [pid 5836] openat(AT_FDCWD, "./56/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... openat resumed>) = 4 [pid 5839] newfstatat(AT_FDCWD, "./56/binderfs", [pid 5838] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(4, "", [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 5836] getdents64(4, [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] unlink("./56/binderfs" [pid 5838] newfstatat(3, "", [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] <... ioctl resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] close(3 [pid 5838] getdents64(3, [pid 5836] getdents64(4, [pid 5840] <... close resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./57/binderfs", [pid 5836] close(4 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... close resumed>) = 0 [pid 5838] unlink("./57/binderfs" [pid 5836] rmdir("./56/bus") = 0 [pid 5838] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6695 attached [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6695 [pid 5839] <... umount2 resumed>) = 0 [pid 5838] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] getdents64(3, [pid 5839] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] close(3) = 0 [pid 5836] rmdir("./56" [pid 6695] set_robust_list(0x55557a9486a0, 24 [pid 5839] newfstatat(AT_FDCWD, "./56/bus", [pid 5836] <... rmdir resumed>) = 0 [pid 6695] <... set_robust_list resumed>) = 0 [pid 5836] mkdir("./57", 0777 [pid 6695] chdir("./58" [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5839] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6695] <... chdir resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] openat(AT_FDCWD, "./56/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... openat resumed>) = 3 [pid 6695] <... prctl resumed>) = 0 [pid 6695] setpgid(0, 0 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6695] <... setpgid resumed>) = 0 [pid 5836] <... ioctl resumed>) = 0 [pid 6695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] close(3 [pid 6695] <... openat resumed>) = 3 [pid 5836] <... close resumed>) = 0 [pid 5839] <... openat resumed>) = 4 [pid 6695] write(3, "1000", 4 [pid 5839] newfstatat(4, "", [pid 6695] <... write resumed>) = 4 [pid 6695] close(3) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6695] symlink("/dev/binderfs", "./binderfs" [pid 5839] getdents64(4, [pid 5838] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6695] <... symlink resumed>) = 0 executing program [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6696 attached [pid 5839] getdents64(4, [pid 5838] newfstatat(AT_FDCWD, "./57/bus", [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6695] write(1, "executing program\n", 18 [pid 5839] close(4 [pid 6695] <... write resumed>) = 18 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6696 [pid 6696] set_robust_list(0x55557a9486a0, 24 [pid 6695] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... close resumed>) = 0 [pid 5838] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6696] <... set_robust_list resumed>) = 0 [pid 5839] rmdir("./56/bus" [pid 6695] <... futex resumed>) = 0 [pid 6695] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5839] <... rmdir resumed>) = 0 [pid 6696] chdir("./57" [pid 5839] getdents64(3, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6695] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6696] <... chdir resumed>) = 0 [pid 5839] close(3 [pid 5838] openat(AT_FDCWD, "./57/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6695] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5838] <... openat resumed>) = 4 [pid 6696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] <... close resumed>) = 0 [pid 6696] <... prctl resumed>) = 0 [pid 5838] newfstatat(4, "", [pid 6695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6695] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6695] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6696] setpgid(0, 0 [pid 5839] rmdir("./56" [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6696] <... setpgid resumed>) = 0 [pid 6695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5838] getdents64(4, ./strace-static-x86_64: Process 6697 attached [pid 6696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6697] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6695] <... clone3 resumed> => {parent_tid=[6697]}, 88) = 6697 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6697] <... rseq resumed>) = 0 [pid 6695] rt_sigprocmask(SIG_SETMASK, [], [pid 6697] set_robust_list(0x7fee5fb549a0, 24 [pid 6696] <... openat resumed>) = 3 [pid 6695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] getdents64(4, [pid 6695] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6696] write(3, "1000", 4 [pid 6697] <... set_robust_list resumed>) = 0 [pid 6695] <... futex resumed>) = 0 [pid 6697] rt_sigprocmask(SIG_SETMASK, [], [pid 6695] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6697] memfd_create("syzkaller", 0 [pid 6696] <... write resumed>) = 4 [pid 5838] close(4) = 0 [pid 6696] close(3 [pid 5838] rmdir("./57/bus" [pid 6696] <... close resumed>) = 0 [pid 5839] mkdir("./57", 0777 [pid 5838] <... rmdir resumed>) = 0 [pid 6697] <... memfd_create resumed>) = 3 [pid 6697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6697] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6696] symlink("/dev/binderfs", "./binderfs" [pid 5839] <... mkdir resumed>) = 0 [pid 5838] getdents64(3, [pid 6697] <... write resumed>) = 131072 [pid 6696] <... symlink resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] close(3 [pid 6697] munmap(0x7fee57600000, 138412032) = 0 [pid 6696] write(1, "executing program\n", 18 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] <... close resumed>) = 0 [pid 6697] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6697] ioctl(4, LOOP_SET_FD, 3executing program [pid 6696] <... write resumed>) = 18 [pid 5839] <... openat resumed>) = 3 [pid 5838] rmdir("./57" [pid 6696] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] <... rmdir resumed>) = 0 [pid 6696] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5839] <... ioctl resumed>) = 0 [pid 6696] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5839] close(3 [pid 5838] mkdir("./58", 0777 [pid 6696] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6697] <... ioctl resumed>) = 0 [pid 6696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6682] +++ exited with 0 +++ [pid 5839] <... close resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 6696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6682, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6696] <... mmap resumed>) = 0x7fee5fb34000 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6697] close(3 [pid 5837] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6697] <... close resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 6697] close(4 [pid 5837] newfstatat(3, "", [pid 6697] <... close resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6697] mkdir("./bus", 0777 [pid 6696] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] getdents64(3, [pid 6697] <... mkdir resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 ./strace-static-x86_64: Process 6698 attached [pid 6696] <... mprotect resumed>) = 0 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5837] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6697] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6696] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6698 [pid 6698] set_robust_list(0x55557a9486a0, 24 [pid 5838] <... ioctl resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./57/binderfs", [pid 5838] close(3) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./57/binderfs" [pid 6698] <... set_robust_list resumed>) = 0 [pid 6698] chdir("./57" [pid 5837] <... unlink resumed>) = 0 [pid 6698] <... chdir resumed>) = 0 [pid 6696] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6697] <... mount resumed>) = 0 [pid 6696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6698] <... prctl resumed>) = 0 [pid 6697] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6697] chdir("./bus") = 0 [pid 6697] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6697] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6700 ./strace-static-x86_64: Process 6700 attached [pid 6698] setpgid(0, 0 [pid 6697] <... futex resumed>) = 1 [pid 6695] <... futex resumed>) = 0 [pid 6696] <... clone3 resumed> => {parent_tid=[6699]}, 88) = 6699 [pid 6700] set_robust_list(0x55557a9486a0, 24 [pid 6698] <... setpgid resumed>) = 0 [pid 6696] rt_sigprocmask(SIG_SETMASK, [], [pid 6697] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6695] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] <... set_robust_list resumed>) = 0 [pid 6698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6697] <... openat resumed>) = 4 [pid 6696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6695] <... futex resumed>) = 0 [pid 6697] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6699 attached [pid 6700] chdir("./58" [pid 6698] <... openat resumed>) = 3 [pid 6697] <... futex resumed>) = 0 [pid 6696] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5837] <... umount2 resumed>) = 0 [pid 6700] <... chdir resumed>) = 0 [pid 6699] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6698] write(3, "1000", 4 [pid 6697] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6696] <... futex resumed>) = 0 [pid 6695] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6700] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6699] <... rseq resumed>) = 0 [pid 6698] <... write resumed>) = 4 [pid 6697] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6695] <... futex resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6700] <... prctl resumed>) = 0 [pid 6699] set_robust_list(0x7fee5fb549a0, 24 [pid 6698] close(3 [pid 6697] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] newfstatat(AT_FDCWD, "./57/bus", [pid 6700] setpgid(0, 0 [pid 6699] <... set_robust_list resumed>) = 0 [pid 6698] <... close resumed>) = 0 [pid 6697] <... futex resumed>) = 0 [pid 6695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 103.497394][ T6697] loop4: detected capacity change from 0 to 256 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6700] <... setpgid resumed>) = 0 [pid 6698] symlink("/dev/binderfs", "./binderfs" [pid 5837] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6698] <... symlink resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6698] write(1, "executing program\n", 18 [pid 5837] openat(AT_FDCWD, "./57/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6700] <... openat resumed>) = 3 [pid 6698] <... write resumed>) = 18 [pid 5837] <... openat resumed>) = 4 [pid 6699] rt_sigprocmask(SIG_SETMASK, [], [pid 6698] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6695] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] newfstatat(4, "", [pid 6700] write(3, "1000", 4 [pid 6699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6698] <... futex resumed>) = 0 [pid 6697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6695] <... futex resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6700] <... write resumed>) = 4 [pid 6699] memfd_create("syzkaller", 0 [pid 6698] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6697] dup(4 [pid 6695] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] getdents64(4, [pid 6700] close(3 [pid 6699] <... memfd_create resumed>) = 3 [pid 6698] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6697] <... dup resumed>) = 5 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6700] <... close resumed>) = 0 [pid 6699] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6698] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6697] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] getdents64(4, [pid 6700] symlink("/dev/binderfs", "./binderfs" [pid 6699] <... mmap resumed>) = 0x7fee57600000 [pid 6698] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6697] <... futex resumed>) = 1 [pid 6695] <... futex resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6695] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] close(4 [pid 6700] <... symlink resumed>) = 0 [pid 6699] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6697] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6695] <... futex resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 6700] write(1, "executing program\n", 18 [pid 6698] <... mmap resumed>) = 0x7fee5fb34000 executing program [pid 5837] rmdir("./57/bus" [pid 6700] <... write resumed>) = 18 [pid 6698] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5837] <... rmdir resumed>) = 0 [pid 6700] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] <... mprotect resumed>) = 0 [pid 6700] <... futex resumed>) = 0 [pid 6698] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] getdents64(3, [pid 6700] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6700] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6698] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] close(3 [pid 6700] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6695] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6701 attached [pid 6700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6701] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6700] <... mmap resumed>) = 0x7fee5fb34000 [pid 6701] <... rseq resumed>) = 0 [pid 6700] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5837] <... close resumed>) = 0 [pid 6701] set_robust_list(0x7fee5fb549a0, 24 [pid 6700] <... mprotect resumed>) = 0 [pid 6699] <... write resumed>) = 131072 [pid 6698] <... clone3 resumed> => {parent_tid=[6701]}, 88) = 6701 [pid 6701] <... set_robust_list resumed>) = 0 [pid 6700] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6699] munmap(0x7fee57600000, 138412032 [pid 6698] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] rmdir("./57" [pid 6701] rt_sigprocmask(SIG_SETMASK, [], [pid 6698] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6700] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6698] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6701] memfd_create("syzkaller", 0 [pid 6698] <... futex resumed>) = 0 [pid 6700] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6699] <... munmap resumed>) = 0 [pid 6698] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6702 attached [pid 6701] <... memfd_create resumed>) = 3 [pid 6699] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6702] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6701] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6699] <... openat resumed>) = 4 [pid 6702] <... rseq resumed>) = 0 [pid 6701] <... mmap resumed>) = 0x7fee57600000 [pid 6700] <... clone3 resumed> => {parent_tid=[6702]}, 88) = 6702 [pid 6702] set_robust_list(0x7fee5fb549a0, 24 [pid 6701] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6700] rt_sigprocmask(SIG_SETMASK, [], [pid 6699] ioctl(4, LOOP_SET_FD, 3 [pid 6702] <... set_robust_list resumed>) = 0 [pid 6700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6702] rt_sigprocmask(SIG_SETMASK, [], [pid 6700] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6700] <... futex resumed>) = 0 [pid 6702] memfd_create("syzkaller", 0 [pid 6700] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6702] <... memfd_create resumed>) = 3 [pid 6701] <... write resumed>) = 131072 [pid 6702] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6702] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6701] munmap(0x7fee57600000, 138412032) = 0 [pid 6701] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6701] ioctl(4, LOOP_SET_FD, 3 [pid 5837] mkdir("./58", 0777 [pid 6702] <... write resumed>) = 131072 [pid 5837] <... mkdir resumed>) = 0 [pid 6702] munmap(0x7fee57600000, 138412032 [pid 6701] <... ioctl resumed>) = 0 [pid 6699] <... ioctl resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6702] <... munmap resumed>) = 0 [pid 6701] close(3 [pid 6699] close(3 [pid 6701] <... close resumed>) = 0 [pid 6701] close(4 [ 103.600039][ T6699] loop0: detected capacity change from 0 to 256 [ 103.610302][ T6701] loop3: detected capacity change from 0 to 256 [pid 6702] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6701] <... close resumed>) = 0 [pid 6695] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6699] <... close resumed>) = 0 [pid 6695] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6702] <... openat resumed>) = 4 [pid 6701] mkdir("./bus", 0777 [pid 6699] close(4 [pid 6695] <... futex resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 6699] <... close resumed>) = 0 [pid 6695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6699] mkdir("./bus", 0777 [pid 5837] <... ioctl resumed>) = 0 [pid 6702] ioctl(4, LOOP_SET_FD, 3 [pid 6701] <... mkdir resumed>) = 0 [pid 6699] <... mkdir resumed>) = 0 [pid 5837] close(3 [pid 6699] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 5837] <... close resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6702] <... ioctl resumed>) = 0 [pid 6701] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"..../strace-static-x86_64: Process 6703 attached [pid 6695] <... mmap resumed>) = 0x7fee5fb13000 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6703 [pid 6702] close(3 [pid 6701] <... mount resumed>) = 0 [pid 6699] <... mount resumed>) = 0 [pid 6695] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6702] <... close resumed>) = 0 [pid 6701] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6699] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6695] <... mprotect resumed>) = 0 [pid 6703] set_robust_list(0x55557a9486a0, 24 [pid 6702] close(4 [pid 6701] <... openat resumed>) = 3 [pid 6699] <... openat resumed>) = 3 [pid 6695] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6703] <... set_robust_list resumed>) = 0 [pid 6702] <... close resumed>) = 0 [pid 6701] chdir("./bus" [pid 6703] chdir("./58" [pid 6702] mkdir("./bus", 0777 [pid 6701] <... chdir resumed>) = 0 [pid 6699] chdir("./bus" [pid 6695] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6703] <... chdir resumed>) = 0 [pid 6699] <... chdir resumed>) = 0 [pid 6695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6699] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 6704 attached [pid 6703] <... prctl resumed>) = 0 [pid 6702] <... mkdir resumed>) = 0 [pid 6701] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6699] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6703] setpgid(0, 0 [pid 6702] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6701] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6699] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] <... clone3 resumed> => {parent_tid=[6704]}, 88) = 6704 [pid 6704] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6703] <... setpgid resumed>) = 0 [pid 6704] <... rseq resumed>) = 0 [pid 6703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6701] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] <... futex resumed>) = 1 [pid 6696] <... futex resumed>) = 0 [pid 6695] rt_sigprocmask(SIG_SETMASK, [], [pid 6704] set_robust_list(0x7fee5fb339a0, 24 [pid 6701] <... futex resumed>) = 1 [pid 6698] <... futex resumed>) = 0 [pid 6696] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6704] <... set_robust_list resumed>) = 0 [pid 6702] <... mount resumed>) = 0 [pid 6701] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6696] <... futex resumed>) = 0 [pid 6698] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6704] rt_sigprocmask(SIG_SETMASK, [], [pid 6698] <... futex resumed>) = 0 [pid 6696] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6698] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6704] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6702] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6703] <... openat resumed>) = 3 [pid 6702] <... openat resumed>) = 3 [pid 6699] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6703] write(3, "1000", 4 [pid 6702] chdir("./bus" [pid 6701] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6699] <... openat resumed>) = 4 [pid 6695] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6704] <... futex resumed>) = 0 [ 103.644509][ T6702] loop2: detected capacity change from 0 to 256 [pid 6703] <... write resumed>) = 4 [pid 6702] <... chdir resumed>) = 0 [pid 6699] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] <... futex resumed>) = 1 [pid 6704] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6703] close(3 [pid 6702] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6701] <... openat resumed>) = 4 [pid 6699] <... futex resumed>) = 1 [pid 6695] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6703] <... close resumed>) = 0 [pid 6699] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6696] <... futex resumed>) = 0 [pid 6703] symlink("/dev/binderfs", "./binderfs" [pid 6696] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] <... symlink resumed>) = 0 [pid 6699] <... futex resumed>) = 0 [pid 6696] <... futex resumed>) = 1 [pid 6703] write(1, "executing program\n", 18 [pid 6699] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6696] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6703] <... write resumed>) = 18 [pid 6703] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] <... futex resumed>) = 0 [pid 6699] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6699] <... futex resumed>) = 0 [pid 6703] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6703] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6699] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6696] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6696] <... futex resumed>) = 0 [pid 6703] <... mmap resumed>) = 0x7fee5fb34000 [pid 6699] dup(4 [pid 6696] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6703] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6702] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6701] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] <... dup resumed>) = 5 [pid 6703] <... mprotect resumed>) = 0 [pid 6702] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6701] <... futex resumed>) = 1 [pid 6699] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] <... futex resumed>) = 0 [pid 6703] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6699] <... futex resumed>) = 1 [pid 6696] <... futex resumed>) = 0 [pid 6703] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6701] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6702] <... futex resumed>) = 1 [pid 6699] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6696] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6702] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6696] <... futex resumed>) = 0 [pid 6696] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6699] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0./strace-static-x86_64: Process 6705 attached [pid 6704] <... madvise resumed>) = 0 [pid 6700] <... futex resumed>) = 0 [pid 6698] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6704] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6701] <... futex resumed>) = 0 [pid 6700] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] <... futex resumed>) = 1 [pid 6704] <... futex resumed>) = 1 [pid 6703] <... clone3 resumed> => {parent_tid=[6705]}, 88) = 6705 [pid 6702] <... futex resumed>) = 0 [pid 6701] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6700] <... futex resumed>) = 1 [pid 6698] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6695] <... futex resumed>) = 0 [pid 6705] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6704] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6703] rt_sigprocmask(SIG_SETMASK, [], [pid 6702] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6701] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6705] <... rseq resumed>) = 0 [pid 6703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6705] set_robust_list(0x7fee5fb549a0, 24 [pid 6703] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6705] <... set_robust_list resumed>) = 0 [pid 6703] <... futex resumed>) = 0 [pid 6705] rt_sigprocmask(SIG_SETMASK, [], [pid 6703] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6702] <... openat resumed>) = 4 [pid 6701] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6700] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6705] memfd_create("syzkaller", 0) = 3 [pid 6705] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6705] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 6702] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6701] <... futex resumed>) = 1 [pid 6698] <... futex resumed>) = 0 [pid 6705] munmap(0x7fee57600000, 138412032 [pid 6701] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6698] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6702] <... futex resumed>) = 1 [pid 6705] <... munmap resumed>) = 0 [pid 6701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6700] <... futex resumed>) = 0 [pid 6698] <... futex resumed>) = 0 [pid 6705] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6702] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6701] dup(4 [pid 6700] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6705] <... openat resumed>) = 4 [pid 6702] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... dup resumed>) = 5 [pid 6700] <... futex resumed>) = 0 [pid 6705] ioctl(4, LOOP_SET_FD, 3 [pid 6702] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6701] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6702] <... futex resumed>) = 0 [pid 6698] <... futex resumed>) = 0 [pid 6701] <... futex resumed>) = 1 [pid 6700] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6702] dup(4) = 5 [pid 6701] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6700] <... futex resumed>) = 0 [pid 6698] <... futex resumed>) = 0 [pid 6700] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6698] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6702] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6696] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6702] <... futex resumed>) = 1 [pid 6700] <... futex resumed>) = 0 [pid 6696] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6702] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6700] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6696] <... futex resumed>) = 0 [pid 6702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6700] <... futex resumed>) = 0 [pid 6696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6696] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6696] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6706 attached [pid 6706] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6702] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6700] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] <... clone3 resumed> => {parent_tid=[6706]}, 88) = 6706 [pid 6706] <... rseq resumed>) = 0 [pid 6706] set_robust_list(0x7fee5fb339a0, 24 [pid 6696] rt_sigprocmask(SIG_SETMASK, [], [pid 6706] <... set_robust_list resumed>) = 0 [pid 6696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6706] rt_sigprocmask(SIG_SETMASK, [], [pid 6705] <... ioctl resumed>) = 0 [pid 6696] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6706] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6705] close(3 [pid 6696] <... futex resumed>) = 0 [pid 6706] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6705] <... close resumed>) = 0 [pid 6696] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6705] close(4) = 0 [pid 6705] mkdir("./bus", 0777) = 0 [ 103.759068][ T6705] loop1: detected capacity change from 0 to 256 [pid 6705] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6706] <... madvise resumed>) = 0 [pid 6706] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6698] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6696] <... futex resumed>) = 0 [pid 6706] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6698] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6705] <... mount resumed>) = 0 [pid 6698] <... mmap resumed>) = 0x7fee5fb13000 [pid 6705] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6700] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6699] <... mmap resumed>) = 0x20000000 [pid 6698] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6705] <... openat resumed>) = 3 [pid 6701] <... mmap resumed>) = 0x20000000 [pid 6698] <... mprotect resumed>) = 0 [pid 6697] <... mmap resumed>) = 0x20000000 [pid 6700] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6705] chdir("./bus" [pid 6699] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6700] <... futex resumed>) = 0 [pid 6698] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6696] exit_group(0 [pid 6706] <... futex resumed>) = ? [pid 6700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6696] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6707 attached [pid 6706] +++ exited with 0 +++ [pid 6705] <... chdir resumed>) = 0 [pid 6699] <... futex resumed>) = ? [pid 6697] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6707] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6705] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6701] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] <... clone3 resumed> => {parent_tid=[6707]}, 88) = 6707 [pid 6695] exit_group(0 [pid 6707] <... rseq resumed>) = 0 [pid 6705] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6701] <... futex resumed>) = 0 [pid 6698] rt_sigprocmask(SIG_SETMASK, [], [pid 6695] <... exit_group resumed>) = ? [pid 6707] set_robust_list(0x7fee5fb339a0, 24 [pid 6705] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6701] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6698] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6707] <... set_robust_list resumed>) = 0 [pid 6705] <... futex resumed>) = 1 [pid 6703] <... futex resumed>) = 0 [pid 6698] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6707] rt_sigprocmask(SIG_SETMASK, [], [pid 6705] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6704] <... futex resumed>) = ? [pid 6703] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] <... futex resumed>) = 0 [pid 6697] <... futex resumed>) = ? [pid 6707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6704] +++ exited with 0 +++ [pid 6703] <... futex resumed>) = 0 [pid 6698] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6707] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6705] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6703] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6705] <... openat resumed>) = 4 [pid 6705] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6703] <... futex resumed>) = 0 [pid 6703] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6703] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6705] fcntl(-1, F_SETLEASE, F_WRLCK) = -1 EBADF (Bad file descriptor) [pid 6700] <... mmap resumed>) = 0x7fee5fb13000 [pid 6705] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6703] <... futex resumed>) = 0 [pid 6703] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6703] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6705] dup(4) = 5 [pid 6705] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] <... futex resumed>) = 0 [pid 6703] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6703] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6705] <... futex resumed>) = 1 [pid 6705] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6697] +++ exited with 0 +++ [pid 6700] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6695] +++ exited with 0 +++ [pid 6707] <... madvise resumed>) = 0 [pid 6700] <... mprotect resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6695, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6700] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] <... restart_syscall resumed>) = 0 [pid 6700] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6707] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6702] <... mmap resumed>) = 0x20000000 [pid 6700] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6699] +++ exited with 0 +++ [pid 6696] +++ exited with 0 +++ ./strace-static-x86_64: Process 6708 attached [pid 6707] <... futex resumed>) = 1 [pid 6702] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] <... futex resumed>) = 0 [pid 5840] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6696, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6708] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6707] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6702] <... futex resumed>) = 0 [pid 6700] <... clone3 resumed> => {parent_tid=[6708]}, 88) = 6708 [pid 6698] exit_group(0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 6708] <... rseq resumed>) = 0 [pid 6707] <... futex resumed>) = ? [pid 6702] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6701] <... futex resumed>) = ? [pid 6700] rt_sigprocmask(SIG_SETMASK, [], [pid 6698] <... exit_group resumed>) = ? [pid 5840] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... restart_syscall resumed>) = 0 [pid 6708] set_robust_list(0x7fee5fb339a0, 24 [pid 6707] +++ exited with 0 +++ [pid 6701] +++ exited with 0 +++ [pid 6700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6700] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5836] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6700] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5836] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./57/binderfs", [pid 6698] +++ exited with 0 +++ [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... openat resumed>) = 3 [pid 6708] <... set_robust_list resumed>) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6698, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5836] unlink("./57/binderfs" [pid 6708] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] newfstatat(3, "", [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5836] <... unlink resumed>) = 0 [pid 6708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6708] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 5840] getdents64(3, [pid 5839] <... restart_syscall resumed>) = 0 [pid 5836] <... umount2 resumed>) = 0 [pid 5836] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(AT_FDCWD, "./57/bus", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(AT_FDCWD, "./58/binderfs", [pid 5839] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6708] <... madvise resumed>) = 0 [pid 5840] unlink("./58/binderfs" [pid 5839] newfstatat(3, "", [pid 5836] openat(AT_FDCWD, "./57/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6708] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... openat resumed>) = 4 [pid 6708] <... futex resumed>) = 1 [pid 6700] <... futex resumed>) = 0 [pid 5840] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(3, [pid 5836] newfstatat(4, "", [pid 6708] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6700] exit_group(0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6708] <... futex resumed>) = ? [pid 6702] <... futex resumed>) = ? [pid 6700] <... exit_group resumed>) = ? [pid 5840] <... umount2 resumed>) = 0 [pid 5839] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] getdents64(4, [pid 6708] +++ exited with 0 +++ [pid 6702] +++ exited with 0 +++ [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] newfstatat(AT_FDCWD, "./57/binderfs", [pid 5836] getdents64(4, [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] unlink("./57/binderfs" [pid 5836] close(4 [pid 5839] <... unlink resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5839] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] rmdir("./57/bus" [pid 5840] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... rmdir resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] getdents64(3, [pid 5840] newfstatat(AT_FDCWD, "./58/bus", [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5836] close(3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... close resumed>) = 0 [pid 5840] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] rmdir("./57" [pid 6705] <... mmap resumed>) = 0x20000000 [pid 6700] +++ exited with 0 +++ [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./57/bus", [pid 5836] <... rmdir resumed>) = 0 [pid 6705] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5840] openat(AT_FDCWD, "./58/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6705] <... futex resumed>) = 0 [pid 6703] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... openat resumed>) = 4 [pid 5839] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6705] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6703] <... futex resumed>) = 0 [pid 5840] newfstatat(4, "", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6703] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6700, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5839] openat(AT_FDCWD, "./57/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] mkdir("./58", 0777 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... openat resumed>) = 4 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5836] <... mkdir resumed>) = 0 [pid 5840] getdents64(4, [pid 5839] newfstatat(4, "", [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5840] getdents64(4, [pid 5839] getdents64(4, [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... openat resumed>) = 3 [pid 5840] close(4 [pid 5839] getdents64(4, [pid 5838] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] close(4 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5840] rmdir("./58/bus" [pid 5839] <... close resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... ioctl resumed>) = 0 [pid 6705] <... madvise resumed>) = 0 [pid 5839] rmdir("./57/bus" [pid 5838] <... openat resumed>) = 3 [pid 5836] close(3 [pid 5838] newfstatat(3, "", [pid 5836] <... close resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] unlink("./58/binderfs" [pid 5839] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6709 attached [pid 6705] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... rmdir resumed>) = 0 [pid 6705] <... futex resumed>) = 1 [pid 6703] <... futex resumed>) = 0 [pid 5839] getdents64(3, [pid 6709] set_robust_list(0x55557a9486a0, 24 [pid 6705] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6703] exit_group(0 [pid 5840] getdents64(3, [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6709] <... set_robust_list resumed>) = 0 [pid 6705] <... futex resumed>) = ? [pid 6703] <... exit_group resumed>) = ? [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] close(3 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6709 [pid 6709] chdir("./58" [pid 6705] +++ exited with 0 +++ [pid 5838] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... close resumed>) = 0 [pid 6709] <... chdir resumed>) = 0 [pid 5839] rmdir("./57" [pid 6709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5840] close(3 [pid 5839] <... rmdir resumed>) = 0 [pid 6709] setpgid(0, 0 [pid 5840] <... close resumed>) = 0 [pid 6709] <... setpgid resumed>) = 0 [pid 5840] rmdir("./58" [pid 6709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] <... rmdir resumed>) = 0 [pid 6709] <... openat resumed>) = 3 [pid 5839] mkdir("./58", 0777 [pid 5838] <... umount2 resumed>) = 0 [pid 5840] mkdir("./59", 0777 [pid 5838] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6709] write(3, "1000", 4 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6709] <... write resumed>) = 4 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6709] close(3 [pid 5838] newfstatat(AT_FDCWD, "./58/bus", [pid 6709] <... close resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6709] symlink("/dev/binderfs", "./binderfs" [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] <... openat resumed>) = 3 executing program [pid 5838] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6709] <... symlink resumed>) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6709] write(1, "executing program\n", 18 [pid 5840] close(3 [pid 5838] openat(AT_FDCWD, "./58/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6709] <... write resumed>) = 18 [pid 5839] <... ioctl resumed>) = 0 [pid 5839] close(3) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6709] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... close resumed>) = 0 [pid 6709] <... futex resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6711 attached ./strace-static-x86_64: Process 6710 attached [pid 6709] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5838] newfstatat(4, "", [pid 6709] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6709] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6710] set_robust_list(0x55557a9486a0, 24 [pid 6709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6711 [pid 5838] getdents64(4, [pid 6710] <... set_robust_list resumed>) = 0 [pid 6710] chdir("./59") = 0 [pid 6710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6710] setpgid(0, 0) = 0 [pid 6710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6710] write(3, "1000", 4) = 4 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6709] <... mmap resumed>) = 0x7fee5fb34000 [pid 6711] set_robust_list(0x55557a9486a0, 24 [pid 6710] close(3 [pid 6711] <... set_robust_list resumed>) = 0 [pid 6710] <... close resumed>) = 0 [pid 6709] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6710 [pid 5838] getdents64(4, [pid 6711] chdir("./58" [pid 6710] symlink("/dev/binderfs", "./binderfs" [pid 6711] <... chdir resumed>) = 0 [pid 6710] <... symlink resumed>) = 0 [pid 6709] <... mprotect resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6709] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6711] <... prctl resumed>) = 0 [pid 5838] close(4 [pid 6711] setpgid(0, 0 [pid 5838] <... close resumed>) = 0 [pid 6711] <... setpgid resumed>) = 0 [pid 6709] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] rmdir("./58/bus" [pid 6711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6710] write(1, "executing program\n", 18executing program ) = 18 [pid 5838] <... rmdir resumed>) = 0 [pid 6709] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5838] getdents64(3, [pid 6710] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6712 attached [pid 6711] <... openat resumed>) = 3 [pid 6710] <... futex resumed>) = 0 [pid 6709] <... clone3 resumed> => {parent_tid=[6712]}, 88) = 6712 [pid 5838] close(3 [pid 6711] write(3, "1000", 4 [pid 6710] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5838] <... close resumed>) = 0 [pid 6712] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6711] <... write resumed>) = 4 [pid 6709] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] rmdir("./58" [pid 6711] close(3 [pid 6709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6712] <... rseq resumed>) = 0 [pid 6712] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6712] rt_sigprocmask(SIG_SETMASK, [], [pid 6710] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6711] <... close resumed>) = 0 [pid 6710] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6709] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... rmdir resumed>) = 0 [pid 6711] symlink("/dev/binderfs", "./binderfs" [pid 6709] <... futex resumed>) = 0 [pid 5838] mkdir("./59", 0777 [pid 6712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6712] memfd_create("syzkaller", 0executing program [pid 6711] <... symlink resumed>) = 0 [pid 6710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6709] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5838] <... mkdir resumed>) = 0 [pid 6712] <... memfd_create resumed>) = 3 [pid 6711] write(1, "executing program\n", 18 [pid 6710] <... mmap resumed>) = 0x7fee5fb34000 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6712] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6711] <... write resumed>) = 18 [pid 6711] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5838] <... openat resumed>) = 3 [pid 6712] <... mmap resumed>) = 0x7fee57600000 [pid 6711] <... futex resumed>) = 0 [pid 6710] <... mprotect resumed>) = 0 [pid 6712] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6711] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6710] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] ioctl(3, LOOP_CLR_FD [pid 6711] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 6712] <... write resumed>) = 131072 [pid 6711] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6710] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] close(3 [pid 6712] munmap(0x7fee57600000, 138412032 [pid 6710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6712] <... munmap resumed>) = 0 [pid 6710] <... clone3 resumed> => {parent_tid=[6713]}, 88) = 6713 [pid 6710] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6713 attached [pid 6712] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... close resumed>) = 0 [pid 6712] <... openat resumed>) = 4 [pid 6710] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] ioctl(4, LOOP_SET_FD, 3 [pid 6710] <... futex resumed>) = 0 [pid 6713] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6713] <... rseq resumed>) = 0 [pid 6711] <... mmap resumed>) = 0x7fee5fb34000 [pid 6710] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6713] set_robust_list(0x7fee5fb549a0, 24 [pid 6711] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6713] <... set_robust_list resumed>) = 0 [pid 6711] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6714 attached [pid 6713] rt_sigprocmask(SIG_SETMASK, [], [pid 6714] set_robust_list(0x55557a9486a0, 24 [pid 6713] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6711] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6714 [pid 6714] <... set_robust_list resumed>) = 0 [pid 6713] memfd_create("syzkaller", 0 [pid 6711] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6714] chdir("./59" [pid 6713] <... memfd_create resumed>) = 3 [pid 6711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6714] <... chdir resumed>) = 0 [pid 6712] <... ioctl resumed>) = 0 [pid 6703] +++ exited with 0 +++ [pid 6711] <... clone3 resumed> => {parent_tid=[6715]}, 88) = 6715 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6703, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- ./strace-static-x86_64: Process 6715 attached [pid 6714] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6713] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6712] close(3 [pid 6711] rt_sigprocmask(SIG_SETMASK, [], [pid 6715] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6714] <... prctl resumed>) = 0 [pid 6713] <... mmap resumed>) = 0x7fee57600000 [pid 6712] <... close resumed>) = 0 [pid 6711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6715] <... rseq resumed>) = 0 [pid 6714] setpgid(0, 0 [pid 6712] close(4 [pid 6711] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] set_robust_list(0x7fee5fb549a0, 24 [pid 6714] <... setpgid resumed>) = 0 [pid 6713] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6712] <... close resumed>) = 0 [pid 6711] <... futex resumed>) = 0 [pid 6715] <... set_robust_list resumed>) = 0 [pid 6714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6711] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6714] <... openat resumed>) = 3 [pid 6715] rt_sigprocmask(SIG_SETMASK, [], [pid 6714] write(3, "1000", 4 [pid 6715] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6714] <... write resumed>) = 4 [pid 6712] mkdir("./bus", 0777 [pid 6715] memfd_create("syzkaller", 0 [pid 6714] close(3 [pid 6712] <... mkdir resumed>) = 0 [pid 6715] <... memfd_create resumed>) = 3 [pid 6714] <... close resumed>) = 0 [pid 6713] <... write resumed>) = 131072 [pid 6715] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6714] symlink("/dev/binderfs", "./binderfs" [pid 6715] <... mmap resumed>) = 0x7fee57600000 [pid 6714] <... symlink resumed>) = 0 [pid 6712] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6715] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6713] munmap(0x7fee57600000, 138412032 [pid 5837] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6714] write(1, "executing program\n", 18 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6714] <... write resumed>) = 18 [pid 5837] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", [pid 6714] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, [pid 6714] <... futex resumed>) = 0 [pid 6713] <... munmap resumed>) = 0 [pid 6712] <... mount resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6714] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6713] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6712] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6715] <... write resumed>) = 131072 [pid 6714] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6713] <... openat resumed>) = 4 [pid 5837] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [ 104.036287][ T6712] loop0: detected capacity change from 0 to 256 [pid 6714] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6713] ioctl(4, LOOP_SET_FD, 3 [pid 6712] <... openat resumed>) = 3 [pid 6715] munmap(0x7fee57600000, 138412032 [pid 6714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6713] <... ioctl resumed>) = 0 [pid 6712] chdir("./bus" [pid 6715] <... munmap resumed>) = 0 [pid 6714] <... mmap resumed>) = 0x7fee5fb34000 [pid 6713] close(3 [pid 6712] <... chdir resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./58/binderfs", [pid 6714] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6713] <... close resumed>) = 0 [pid 6712] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6715] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6714] <... mprotect resumed>) = 0 [pid 6713] close(4 [pid 6712] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6715] <... openat resumed>) = 4 [pid 6714] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6713] <... close resumed>) = 0 [pid 6712] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] unlink("./58/binderfs" [pid 6715] ioctl(4, LOOP_SET_FD, 3 [pid 6714] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6713] mkdir("./bus", 0777 [pid 6712] <... futex resumed>) = 1 [pid 6709] <... futex resumed>) = 0 [pid 6714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6712] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6716 attached [pid 6715] <... ioctl resumed>) = 0 [pid 6714] <... clone3 resumed> => {parent_tid=[6716]}, 88) = 6716 [pid 6713] <... mkdir resumed>) = 0 [pid 6709] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6716] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6715] close(3 [pid 6714] rt_sigprocmask(SIG_SETMASK, [], [pid 6712] <... futex resumed>) = 0 [pid 6709] <... futex resumed>) = 1 [pid 6716] <... rseq resumed>) = 0 [pid 6715] <... close resumed>) = 0 [pid 6714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6713] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6712] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6709] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6716] set_robust_list(0x7fee5fb549a0, 24 [pid 6715] close(4 [pid 6714] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] <... openat resumed>) = 4 [pid 5837] <... umount2 resumed>) = 0 [pid 6716] <... set_robust_list resumed>) = 0 [pid 6715] <... close resumed>) = 0 [pid 6714] <... futex resumed>) = 0 [pid 6712] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6716] rt_sigprocmask(SIG_SETMASK, [], [pid 6715] mkdir("./bus", 0777 [pid 6714] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6712] <... futex resumed>) = 1 [pid 6709] <... futex resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6715] <... mkdir resumed>) = 0 [pid 6712] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6709] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] newfstatat(AT_FDCWD, "./58/bus", [pid 6716] memfd_create("syzkaller", 0 [pid 6713] <... mount resumed>) = 0 [pid 6712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6715] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6713] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6712] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6709] <... futex resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6716] <... memfd_create resumed>) = 3 [pid 6713] <... openat resumed>) = 3 [pid 6712] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6716] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6713] chdir("./bus" [pid 6712] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6716] <... mmap resumed>) = 0x7fee57600000 [pid 6713] <... chdir resumed>) = 0 [pid 6712] <... futex resumed>) = 0 [pid 6709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6713] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6712] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6709] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6713] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6709] <... futex resumed>) = 0 [pid 5837] openat(AT_FDCWD, "./58/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6716] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6715] <... mount resumed>) = 0 [pid 6713] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] dup(4) = 5 [pid 6715] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6713] <... futex resumed>) = 1 [pid 6712] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] <... futex resumed>) = 0 [pid 6709] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] <... openat resumed>) = 4 [pid 6716] <... write resumed>) = 131072 [pid 6713] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6712] <... futex resumed>) = 0 [pid 6710] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] <... openat resumed>) = 3 [pid 6712] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6710] <... futex resumed>) = 0 [pid 6709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5837] newfstatat(4, "", [pid 6715] chdir("./bus" [pid 6713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6710] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6709] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] munmap(0x7fee57600000, 138412032 [pid 6715] <... chdir resumed>) = 0 [pid 6713] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6712] <... futex resumed>) = 0 [pid 6709] <... futex resumed>) = 1 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6716] <... munmap resumed>) = 0 [pid 6715] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6713] <... openat resumed>) = 4 [pid 6712] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6709] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] getdents64(4, [pid 6715] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6713] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6715] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6716] <... openat resumed>) = 4 [pid 6715] <... futex resumed>) = 1 [ 104.089305][ T6713] loop4: detected capacity change from 0 to 256 [ 104.101925][ T6715] loop3: detected capacity change from 0 to 256 [pid 6713] <... futex resumed>) = 1 [pid 6711] <... futex resumed>) = 0 [pid 6710] <... futex resumed>) = 0 [pid 6716] ioctl(4, LOOP_SET_FD, 3 [pid 6715] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6713] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6711] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] getdents64(4, [pid 6715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6711] <... futex resumed>) = 0 [pid 6710] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6715] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6711] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] close(4 [pid 6710] <... futex resumed>) = 0 [pid 6710] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] <... close resumed>) = 0 [pid 5837] rmdir("./58/bus" [pid 6715] <... openat resumed>) = 4 [pid 6713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6713] fcntl(-1, F_SETLEASE, F_WRLCK) = -1 EBADF (Bad file descriptor) [pid 6713] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6710] <... futex resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 6715] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6710] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6713] dup(4) = 5 [pid 6713] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6710] <... futex resumed>) = 0 [pid 6710] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6710] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6713] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6715] <... futex resumed>) = 1 [pid 6711] <... futex resumed>) = 0 [pid 6716] <... ioctl resumed>) = 0 [pid 5837] getdents64(3, [pid 6715] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6711] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6715] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] <... futex resumed>) = 0 [pid 5837] close(3 [pid 6715] <... futex resumed>) = 0 [pid 6711] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6715] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] <... close resumed>) = 0 [pid 6711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5837] rmdir("./58" [pid 6711] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] close(3 [pid 6715] <... futex resumed>) = 0 [pid 6711] <... futex resumed>) = 1 [pid 5837] <... rmdir resumed>) = 0 [pid 6716] <... close resumed>) = 0 [pid 6715] dup(4 [pid 6711] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6716] close(4 [pid 6715] <... dup resumed>) = 5 [pid 6716] <... close resumed>) = 0 [pid 6715] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] mkdir("./bus", 0777 [pid 6715] <... futex resumed>) = 1 [pid 6711] <... futex resumed>) = 0 [pid 6716] <... mkdir resumed>) = 0 [pid 6711] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6715] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6711] <... futex resumed>) = 0 [pid 6711] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] mkdir("./59", 0777) = 0 [pid 6716] <... mount resumed>) = 0 [pid 6709] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6716] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6709] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] chdir("./bus" [pid 6709] <... futex resumed>) = 0 [pid 6716] <... chdir resumed>) = 0 [pid 6709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6716] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6716] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6716] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] <... mmap resumed>) = 0x7fee5fb13000 [pid 5837] <... openat resumed>) = 3 [pid 6716] <... futex resumed>) = 1 [pid 6714] <... futex resumed>) = 0 [pid 6709] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6716] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6714] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6714] <... futex resumed>) = 0 [pid 6709] <... mprotect resumed>) = 0 [pid 6716] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6714] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6716] <... openat resumed>) = 4 [pid 6716] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] <... ioctl resumed>) = 0 [pid 6716] <... futex resumed>) = 1 [pid 6714] <... futex resumed>) = 0 [pid 6714] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6709] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] close(3 [pid 6716] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6714] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6709] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6716] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [ 104.151634][ T6716] loop2: detected capacity change from 0 to 256 [pid 6710] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5837] <... close resumed>) = 0 [pid 6710] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6710] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6717 attached [pid 6716] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6717] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6716] <... futex resumed>) = 1 [pid 6714] <... futex resumed>) = 0 [pid 6710] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6709] <... clone3 resumed> => {parent_tid=[6717]}, 88) = 6717 [pid 6717] <... rseq resumed>) = 0 [pid 6716] dup(4 [pid 6714] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6717] set_robust_list(0x7fee5fb339a0, 24 [pid 6716] <... dup resumed>) = 5 [pid 6714] <... futex resumed>) = 0 [pid 6716] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6714] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6716] <... futex resumed>) = 0 [pid 6714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6716] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6714] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6718 attached [pid 6716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6714] <... futex resumed>) = 0 [pid 6710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6709] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6718 ./strace-static-x86_64: Process 6719 attached [pid 6718] set_robust_list(0x55557a9486a0, 24 [pid 6717] <... set_robust_list resumed>) = 0 [pid 6716] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6714] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6718] <... set_robust_list resumed>) = 0 [pid 6717] rt_sigprocmask(SIG_SETMASK, [], [pid 6710] <... clone3 resumed> => {parent_tid=[6719]}, 88) = 6719 [pid 6718] chdir("./59" [pid 6710] rt_sigprocmask(SIG_SETMASK, [], [pid 6718] <... chdir resumed>) = 0 [pid 6710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6710] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6718] <... prctl resumed>) = 0 [pid 6717] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6710] <... futex resumed>) = 0 [pid 6718] setpgid(0, 0 [pid 6710] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6718] <... setpgid resumed>) = 0 [pid 6718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6718] write(3, "1000", 4) = 4 [pid 6718] close(3) = 0 [pid 6709] <... futex resumed>) = 0 [pid 6719] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6718] symlink("/dev/binderfs", "./binderfs" [pid 6709] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6719] <... rseq resumed>) = 0 [pid 6718] <... symlink resumed>) = 0 [pid 6719] set_robust_list(0x7fee5fb339a0, 24 [pid 6718] write(1, "executing program\n", 18 [pid 6711] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) executing program [pid 6719] <... set_robust_list resumed>) = 0 [pid 6717] <... madvise resumed>) = 0 [pid 6711] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6719] rt_sigprocmask(SIG_SETMASK, [], [pid 6711] <... futex resumed>) = 0 [pid 6719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6717] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6719] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6711] <... mmap resumed>) = 0x7fee5fb13000 [pid 6718] <... write resumed>) = 18 [pid 6718] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6718] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 6718] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6711] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6718] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6711] <... mprotect resumed>) = 0 [pid 6718] <... mprotect resumed>) = 0 [pid 6711] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6718] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} => {parent_tid=[6720]}, 88) = 6720 ./strace-static-x86_64: Process 6720 attached [pid 6718] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6718] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6720] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6718] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6720] <... rseq resumed>) = 0 [pid 6717] <... futex resumed>) = 1 [pid 6711] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6709] <... futex resumed>) = 0 [pid 6711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6717] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6721 attached [pid 6720] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6720] rt_sigprocmask(SIG_SETMASK, [], [pid 6711] <... clone3 resumed> => {parent_tid=[6721]}, 88) = 6721 [pid 6721] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6711] rt_sigprocmask(SIG_SETMASK, [], [pid 6721] <... rseq resumed>) = 0 [pid 6720] memfd_create("syzkaller", 0 [pid 6719] <... madvise resumed>) = 0 [pid 6711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6721] set_robust_list(0x7fee5fb339a0, 24 [pid 6720] <... memfd_create resumed>) = 3 [pid 6719] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6721] <... set_robust_list resumed>) = 0 [pid 6719] <... futex resumed>) = 1 [pid 6719] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6721] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6721] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6720] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6714] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6711] <... futex resumed>) = 0 [pid 6710] <... futex resumed>) = 0 [pid 6714] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6720] <... mmap resumed>) = 0x7fee57600000 [pid 6714] <... futex resumed>) = 0 [pid 6714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6711] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6721] <... madvise resumed>) = 0 [pid 6720] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6714] <... mmap resumed>) = 0x7fee5fb13000 [pid 6721] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6714] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6721] <... futex resumed>) = 1 [pid 6711] <... futex resumed>) = 0 [pid 6721] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6714] <... mprotect resumed>) = 0 [pid 6714] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6720] <... write resumed>) = 131072 [pid 6714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6722 attached [pid 6722] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053) = 0 [pid 6722] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6720] munmap(0x7fee57600000, 138412032 [pid 6714] <... clone3 resumed> => {parent_tid=[6722]}, 88) = 6722 [pid 6714] rt_sigprocmask(SIG_SETMASK, [], [pid 6720] <... munmap resumed>) = 0 [pid 6714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6722] rt_sigprocmask(SIG_SETMASK, [], [pid 6720] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6714] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6714] <... futex resumed>) = 0 [pid 6722] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6720] <... openat resumed>) = 4 [pid 6714] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6720] ioctl(4, LOOP_SET_FD, 3 [pid 6722] <... madvise resumed>) = 0 [pid 6722] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6722] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6714] <... futex resumed>) = 0 [pid 6720] <... ioctl resumed>) = 0 [pid 6720] close(3) = 0 [pid 6720] close(4) = 0 [pid 6720] mkdir("./bus", 0777 [pid 6716] <... mmap resumed>) = 0x20000000 [pid 6715] <... mmap resumed>) = 0x20000000 [pid 6713] <... mmap resumed>) = 0x20000000 [pid 6712] <... mmap resumed>) = 0x20000000 [pid 6720] <... mkdir resumed>) = 0 [pid 6716] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6713] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6720] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6716] <... futex resumed>) = 0 [pid 6716] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6715] <... futex resumed>) = 0 [pid 6713] <... futex resumed>) = 0 [pid 6715] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6714] exit_group(0 [pid 6713] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6712] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] exit_group(0 [pid 6710] exit_group(0 [pid 6709] exit_group(0 [pid 6722] <... futex resumed>) = ? [pid 6719] <... futex resumed>) = ? [pid 6716] <... futex resumed>) = ? [pid 6717] <... futex resumed>) = ? [pid 6715] <... futex resumed>) = ? [pid 6714] <... exit_group resumed>) = ? [pid 6713] <... futex resumed>) = ? [pid 6712] <... futex resumed>) = ? [pid 6711] <... exit_group resumed>) = ? [pid 6710] <... exit_group resumed>) = ? [pid 6709] <... exit_group resumed>) = ? [pid 6722] +++ exited with 0 +++ [pid 6721] <... futex resumed>) = ? [pid 6720] <... mount resumed>) = 0 [pid 6719] +++ exited with 0 +++ [pid 6717] +++ exited with 0 +++ [pid 6716] +++ exited with 0 +++ [pid 6715] +++ exited with 0 +++ [pid 6714] +++ exited with 0 +++ [pid 6713] +++ exited with 0 +++ [pid 6712] +++ exited with 0 +++ [pid 6710] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6710, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6714, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [ 104.328216][ T6720] loop1: detected capacity change from 0 to 256 [pid 6720] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6721] +++ exited with 0 +++ [pid 6711] +++ exited with 0 +++ [pid 5840] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6720] <... openat resumed>) = 3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6711, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6720] chdir("./bus" [pid 5840] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6720] <... chdir resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 6720] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5840] newfstatat(3, "", [pid 6720] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5839] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(3, "", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6720] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] getdents64(3, [pid 6720] <... futex resumed>) = 1 [pid 6718] <... futex resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 6720] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6718] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] getdents64(3, [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6718] <... futex resumed>) = 0 [pid 5839] newfstatat(3, "", [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6720] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6718] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./58/binderfs" [pid 5838] newfstatat(AT_FDCWD, "./59/binderfs", [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] unlink("./59/binderfs" [pid 5840] newfstatat(AT_FDCWD, "./59/binderfs", [pid 5838] <... unlink resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5838] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] unlink("./59/binderfs" [pid 5839] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./58/bus", [pid 5840] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = 0 [pid 5839] openat(AT_FDCWD, "./58/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 4 [pid 5838] <... umount2 resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(4, "", [pid 5838] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(AT_FDCWD, "./59/bus", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] getdents64(4, [pid 5838] newfstatat(AT_FDCWD, "./59/bus", [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(4, [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] close(4 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./59/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... close resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./59/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6720] <... openat resumed>) = 4 [pid 6709] +++ exited with 0 +++ [pid 5840] <... openat resumed>) = 4 [pid 5838] <... openat resumed>) = 4 [pid 5839] rmdir("./58/bus" [pid 6720] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] newfstatat(4, "", [pid 5838] newfstatat(4, "", [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6709, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6720] <... futex resumed>) = 1 [pid 6718] <... futex resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6720] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6718] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] getdents64(4, [pid 5838] getdents64(4, [pid 5839] <... rmdir resumed>) = 0 [pid 6720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6718] <... futex resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6720] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6718] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] getdents64(3, [pid 5838] getdents64(4, [pid 6720] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6720] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] getdents64(4, [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] close(4 [pid 6718] <... futex resumed>) = 0 [pid 6718] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] close(3 [pid 5838] <... close resumed>) = 0 [pid 6720] <... futex resumed>) = 1 [pid 6720] dup(4 [pid 6718] <... futex resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] rmdir("./59/bus" [pid 6720] <... dup resumed>) = 5 [pid 6718] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] close(4 [pid 5839] rmdir("./58" [pid 5836] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... rmdir resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 6720] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] newfstatat(3, "", [pid 6720] <... futex resumed>) = 1 [pid 6718] <... futex resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] mkdir("./59", 0777 [pid 5838] <... rmdir resumed>) = 0 [pid 6720] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6718] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] rmdir("./59/bus" [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] getdents64(3, [pid 5836] getdents64(3, [pid 6718] <... futex resumed>) = 1 [pid 5840] <... rmdir resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6718] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] close(3 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] getdents64(3, [pid 6720] <... futex resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5836] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6720] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] rmdir("./59" [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] close(3 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] <... rmdir resumed>) = 0 [pid 5836] newfstatat(AT_FDCWD, "./58/binderfs", [pid 5840] <... close resumed>) = 0 [pid 5840] rmdir("./59" [pid 5839] <... ioctl resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] close(3 [pid 5838] mkdir("./60", 0777 [pid 5836] unlink("./58/binderfs" [pid 5839] <... close resumed>) = 0 [pid 5840] mkdir("./60", 0777 [pid 5838] <... mkdir resumed>) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5836] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... ioctl resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5840] close(3 [pid 5838] <... openat resumed>) = 3 [pid 5836] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 6723 attached [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5836] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6723] set_robust_list(0x55557a9486a0, 24 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6723] <... set_robust_list resumed>) = 0 [pid 5836] newfstatat(AT_FDCWD, "./58/bus", [pid 6723] chdir("./59" [pid 5840] <... close resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6723] <... chdir resumed>) = 0 [pid 5836] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6723] <... prctl resumed>) = 0 [pid 5836] openat(AT_FDCWD, "./58/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6723] setpgid(0, 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6723 [pid 5838] close(3 [pid 5836] <... openat resumed>) = 4 [pid 6723] <... setpgid resumed>) = 0 [pid 5836] newfstatat(4, "", ./strace-static-x86_64: Process 6724 attached [pid 6723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] <... close resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(4, [pid 6723] <... openat resumed>) = 3 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6724 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6725 attached [pid 6724] set_robust_list(0x55557a9486a0, 24 [pid 6723] write(3, "1000", 4 [pid 5836] getdents64(4, [pid 6724] <... set_robust_list resumed>) = 0 [pid 6723] <... write resumed>) = 4 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6725] set_robust_list(0x55557a9486a0, 24 [pid 6724] chdir("./60" [pid 6723] close(3 [pid 5836] close(4 [pid 6725] <... set_robust_list resumed>) = 0 [pid 6723] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 6723] symlink("/dev/binderfs", "./binderfs" [pid 5836] rmdir("./58/bus"executing program [pid 6725] chdir("./60" [pid 6723] <... symlink resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6725 [pid 5836] <... rmdir resumed>) = 0 [pid 6724] <... chdir resumed>) = 0 [pid 6725] <... chdir resumed>) = 0 [pid 6723] write(1, "executing program\n", 18 [pid 6724] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] getdents64(3, [pid 6725] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6724] <... prctl resumed>) = 0 [pid 6723] <... write resumed>) = 18 [pid 6725] <... prctl resumed>) = 0 [pid 6724] setpgid(0, 0 [pid 6723] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6725] setpgid(0, 0 [pid 6724] <... setpgid resumed>) = 0 [pid 6723] <... futex resumed>) = 0 [pid 5836] close(3 [pid 6725] <... setpgid resumed>) = 0 [pid 6724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6723] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6724] <... openat resumed>) = 3 [pid 6723] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6718] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5836] <... close resumed>) = 0 [pid 6725] <... openat resumed>) = 3 [pid 6724] write(3, "1000", 4 [pid 6723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5836] rmdir("./58" [pid 6725] write(3, "1000", 4 [pid 6724] <... write resumed>) = 4 [pid 6723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6725] <... write resumed>) = 4 [pid 6718] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... rmdir resumed>) = 0 [pid 6725] close(3 [pid 6724] close(3 [pid 6723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6718] <... futex resumed>) = 0 [pid 5836] mkdir("./59", 0777 [pid 6725] <... close resumed>) = 0 [pid 6724] <... close resumed>) = 0 [pid 6723] <... mmap resumed>) = 0x7fee5fb34000 [pid 6718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6725] symlink("/dev/binderfs", "./binderfs" [pid 6724] symlink("/dev/binderfs", "./binderfs" [pid 6723] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6718] <... mmap resumed>) = 0x7fee5fb13000 [pid 5836] <... mkdir resumed>) = 0 [pid 6723] <... mprotect resumed>) = 0 [pid 6718] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6724] <... symlink resumed>) = 0 [pid 6723] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6718] <... mprotect resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program [pid 6725] <... symlink resumed>) = 0 [pid 6724] write(1, "executing program\n", 18 [pid 6723] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6718] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6725] write(1, "executing program\n", 18 [pid 6724] <... write resumed>) = 18 [pid 6723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6718] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 5836] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6726 attached [pid 6725] <... write resumed>) = 18 [pid 6724] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6726] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6725] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... futex resumed>) = 0 [pid 6723] <... clone3 resumed> => {parent_tid=[6726]}, 88) = 6726 ./strace-static-x86_64: Process 6727 attached [pid 6726] <... rseq resumed>) = 0 [pid 6725] <... futex resumed>) = 0 [pid 6724] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6723] rt_sigprocmask(SIG_SETMASK, [], [pid 6718] <... clone3 resumed> => {parent_tid=[6727]}, 88) = 6727 [pid 5836] <... ioctl resumed>) = 0 [pid 6727] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6724] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6727] <... rseq resumed>) = 0 [pid 6726] set_robust_list(0x7fee5fb549a0, 24 [pid 6725] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6724] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6723] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] close(3 [pid 6727] set_robust_list(0x7fee5fb339a0, 24 [pid 6724] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6723] <... futex resumed>) = 0 [pid 6718] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5836] <... close resumed>) = 0 [pid 6724] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6723] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6718] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6718] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6727] <... set_robust_list resumed>) = 0 [pid 6725] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6726] <... set_robust_list resumed>) = 0 [pid 6724] <... mmap resumed>) = 0x7fee5fb34000 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6727] rt_sigprocmask(SIG_SETMASK, [], [pid 6726] rt_sigprocmask(SIG_SETMASK, [], [pid 6725] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6724] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6728 attached [pid 6727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6724] <... mprotect resumed>) = 0 [pid 6727] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6726] memfd_create("syzkaller", 0 [pid 6725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6724] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6728] set_robust_list(0x55557a9486a0, 24) = 0 [pid 6727] <... madvise resumed>) = 0 [pid 6726] <... memfd_create resumed>) = 3 [pid 6725] <... mmap resumed>) = 0x7fee5fb34000 [pid 6724] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6728 [pid 6728] chdir("./59") = 0 [pid 6728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6728] setpgid(0, 0) = 0 [pid 6728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6728] write(3, "1000", 4) = 4 [pid 6728] close(3) = 0 [pid 6728] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6728] write(1, "executing program\n", 18) = 18 [pid 6728] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6728] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 6727] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6725] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6724] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6726] <... mmap resumed>) = 0x7fee57600000 [pid 6728] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6718] <... futex resumed>) = 0 [pid 6728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6728] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6729 attached [pid 6728] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6727] <... futex resumed>) = 1 [pid 6726] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6725] <... mprotect resumed>) = 0 [pid 6724] <... clone3 resumed> => {parent_tid=[6729]}, 88) = 6729 [pid 6729] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6728] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6727] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6725] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6724] rt_sigprocmask(SIG_SETMASK, [], [pid 6729] <... rseq resumed>) = 0 [pid 6728] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6726] <... write resumed>) = 131072 [pid 6725] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6724] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6729] set_robust_list(0x7fee5fb549a0, 24 [pid 6726] munmap(0x7fee57600000, 138412032 [pid 6725] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6724] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6731 attached ./strace-static-x86_64: Process 6730 attached [pid 6729] <... set_robust_list resumed>) = 0 [pid 6728] <... clone3 resumed> => {parent_tid=[6730]}, 88) = 6730 [pid 6726] <... munmap resumed>) = 0 [pid 6724] <... futex resumed>) = 0 [pid 6731] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6729] rt_sigprocmask(SIG_SETMASK, [], [pid 6726] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6725] <... clone3 resumed> => {parent_tid=[6731]}, 88) = 6731 [pid 6724] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6731] <... rseq resumed>) = 0 [pid 6729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6725] rt_sigprocmask(SIG_SETMASK, [], [pid 6731] set_robust_list(0x7fee5fb549a0, 24 [pid 6726] <... openat resumed>) = 4 [pid 6731] <... set_robust_list resumed>) = 0 [pid 6729] memfd_create("syzkaller", 0 [pid 6728] rt_sigprocmask(SIG_SETMASK, [], [pid 6726] ioctl(4, LOOP_SET_FD, 3 [pid 6725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6731] rt_sigprocmask(SIG_SETMASK, [], [pid 6728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6725] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6730] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6728] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6730] <... rseq resumed>) = 0 [pid 6730] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6730] rt_sigprocmask(SIG_SETMASK, [], [pid 6731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6726] <... ioctl resumed>) = 0 [pid 6725] <... futex resumed>) = 0 [pid 6731] memfd_create("syzkaller", 0 [pid 6730] memfd_create("syzkaller", 0) = 3 [pid 6731] <... memfd_create resumed>) = 3 [pid 6730] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6725] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6731] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6730] <... mmap resumed>) = 0x7fee57600000 [pid 6729] <... memfd_create resumed>) = 3 [pid 6731] <... mmap resumed>) = 0x7fee57600000 [pid 6729] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6731] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6730] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6729] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6726] close(3 [pid 6729] <... write resumed>) = 131072 [pid 6726] <... close resumed>) = 0 [pid 6726] close(4 [pid 6729] munmap(0x7fee57600000, 138412032 [pid 6731] <... write resumed>) = 131072 [pid 6730] <... write resumed>) = 131072 [pid 6726] <... close resumed>) = 0 [pid 6726] mkdir("./bus", 0777 [pid 6730] munmap(0x7fee57600000, 138412032) = 0 [pid 6730] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6726] <... mkdir resumed>) = 0 [pid 6730] <... openat resumed>) = 4 [ 104.612609][ T6726] loop3: detected capacity change from 0 to 256 [pid 6730] ioctl(4, LOOP_SET_FD, 3 [pid 6731] munmap(0x7fee57600000, 138412032 [pid 6729] <... munmap resumed>) = 0 [pid 6726] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6720] <... mmap resumed>) = 0x20000000 [pid 6731] <... munmap resumed>) = 0 [pid 6730] <... ioctl resumed>) = 0 [pid 6729] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6726] <... mount resumed>) = 0 [pid 6730] close(3) = 0 [pid 6730] close(4 [pid 6731] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6730] <... close resumed>) = 0 [pid 6729] <... openat resumed>) = 4 [pid 6726] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6730] mkdir("./bus", 0777 [pid 6729] ioctl(4, LOOP_SET_FD, 3 [pid 6726] <... openat resumed>) = 3 [pid 6731] <... openat resumed>) = 4 [pid 6730] <... mkdir resumed>) = 0 [pid 6726] chdir("./bus" [pid 6730] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6731] ioctl(4, LOOP_SET_FD, 3 [pid 6729] <... ioctl resumed>) = 0 [pid 6726] <... chdir resumed>) = 0 [pid 6720] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6718] exit_group(0) = ? [pid 6731] <... ioctl resumed>) = 0 [pid 6729] close(3 [pid 6727] <... futex resumed>) = ? [pid 6726] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6720] <... futex resumed>) = ? [pid 6731] close(3 [pid 6730] <... mount resumed>) = 0 [pid 6729] <... close resumed>) = 0 [pid 6727] +++ exited with 0 +++ [pid 6726] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6731] <... close resumed>) = 0 [pid 6729] close(4 [pid 6726] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] close(4 [pid 6730] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6729] <... close resumed>) = 0 [pid 6726] <... futex resumed>) = 1 [pid 6723] <... futex resumed>) = 0 [pid 6731] <... close resumed>) = 0 [pid 6730] <... openat resumed>) = 3 [pid 6729] mkdir("./bus", 0777 [pid 6726] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6723] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] mkdir("./bus", 0777 [pid 6730] chdir("./bus" [pid 6729] <... mkdir resumed>) = 0 [pid 6726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6723] <... futex resumed>) = 0 [pid 6731] <... mkdir resumed>) = 0 [pid 6726] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6723] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6730] <... chdir resumed>) = 0 [pid 6726] <... openat resumed>) = 4 [pid 6729] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6726] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6730] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6726] <... futex resumed>) = 1 [pid 6723] <... futex resumed>) = 0 [pid 6730] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6726] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6723] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6723] <... futex resumed>) = 0 [pid 6720] +++ exited with 0 +++ [pid 6718] +++ exited with 0 +++ [pid 6730] <... futex resumed>) = 1 [pid 6729] <... mount resumed>) = 0 [pid 6728] <... futex resumed>) = 0 [pid 6726] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6723] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6718, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 6731] <... mount resumed>) = 0 [pid 6730] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6729] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6728] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 6731] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6729] <... openat resumed>) = 3 [pid 6728] <... futex resumed>) = 0 [pid 6726] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... restart_syscall resumed>) = 0 [pid 6731] <... openat resumed>) = 3 [pid 6730] <... openat resumed>) = 4 [pid 6729] chdir("./bus" [pid 6728] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] <... futex resumed>) = 1 [pid 6723] <... futex resumed>) = 0 [pid 6731] chdir("./bus" [pid 6730] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] <... chdir resumed>) = 0 [pid 6728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6726] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6723] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] <... chdir resumed>) = 0 [pid 6730] <... futex resumed>) = 0 [pid 6729] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6728] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6723] <... futex resumed>) = 0 [pid 5837] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6731] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6730] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6729] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6728] <... futex resumed>) = 0 [pid 6726] dup(4 [pid 6723] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6731] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6730] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6729] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] <... dup resumed>) = 5 [pid 5837] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6731] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] <... futex resumed>) = 1 [pid 6728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6726] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... futex resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 6731] <... futex resumed>) = 1 [pid 6730] <... futex resumed>) = 0 [pid 6729] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6728] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... futex resumed>) = 1 [pid 6725] <... futex resumed>) = 0 [pid 6724] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] <... futex resumed>) = 0 [pid 5837] newfstatat(3, "", [pid 6731] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6730] dup(4 [pid 6729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 104.666293][ T6730] loop0: detected capacity change from 0 to 256 [ 104.679602][ T6729] loop4: detected capacity change from 0 to 256 [ 104.693325][ T6731] loop2: detected capacity change from 0 to 256 [pid 6728] <... futex resumed>) = 0 [pid 6726] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6725] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... futex resumed>) = 0 [pid 6723] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6730] <... dup resumed>) = 5 [pid 6729] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6728] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6725] <... futex resumed>) = 0 [pid 6724] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] <... futex resumed>) = 0 [pid 5837] getdents64(3, [pid 6731] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6730] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] <... openat resumed>) = 4 [pid 6728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6726] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6725] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6731] <... openat resumed>) = 4 [pid 6730] <... futex resumed>) = 0 [pid 6729] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6729] <... futex resumed>) = 1 [pid 6728] <... futex resumed>) = 0 [pid 6724] <... futex resumed>) = 0 [pid 6724] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6724] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6731] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6731] <... futex resumed>) = 1 [pid 6725] <... futex resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6725] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] newfstatat(AT_FDCWD, "./59/binderfs", [pid 6728] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6731] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6729] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6725] <... futex resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6725] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] unlink("./59/binderfs") = 0 [pid 6731] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6731] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6725] <... futex resumed>) = 0 [pid 6725] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] dup(4 [pid 6725] <... futex resumed>) = 0 [pid 6731] <... dup resumed>) = 5 [pid 6725] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6731] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6725] <... futex resumed>) = 0 [pid 6725] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6725] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6731] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6729] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6729] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6724] <... futex resumed>) = 0 [pid 6729] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6724] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] <... futex resumed>) = 0 [pid 6724] <... futex resumed>) = 1 [pid 6729] dup(4 [pid 6730] <... mmap resumed>) = 0x20000000 [pid 6729] <... dup resumed>) = 5 [pid 6724] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6729] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6729] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6724] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] <... futex resumed>) = 0 [pid 6724] <... futex resumed>) = 1 [pid 6729] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6724] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6730] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... mmap resumed>) = 0x20000000 [pid 6730] <... futex resumed>) = 1 [pid 6728] <... futex resumed>) = 0 [pid 6726] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6728] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... futex resumed>) = 1 [pid 6723] <... futex resumed>) = 0 [pid 6728] <... futex resumed>) = 0 [pid 6726] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6723] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... umount2 resumed>) = 0 [pid 6728] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] <... futex resumed>) = 0 [pid 6731] <... mmap resumed>) = 0x20000000 [pid 6726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6723] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./59/bus", [pid 6730] <... madvise resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6726] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 5837] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./59/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5837] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] close(4) = 0 [pid 5837] rmdir("./59/bus") = 0 [pid 5837] getdents64(3, 0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] close(3) = 0 [pid 5837] rmdir("./59" [pid 6725] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5837] <... rmdir resumed>) = 0 [pid 6726] <... madvise resumed>) = 0 [pid 6725] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] mkdir("./60", 0777 [pid 6731] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6725] <... futex resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 6725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6731] <... futex resumed>) = 0 [pid 6730] <... futex resumed>) = 1 [pid 6728] <... futex resumed>) = 0 [pid 6725] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6731] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6730] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6728] exit_group(0 [pid 6726] <... futex resumed>) = 1 [pid 6725] <... mprotect resumed>) = 0 [pid 6723] <... futex resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 6730] <... futex resumed>) = ? [pid 6728] <... exit_group resumed>) = ? [pid 6726] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6725] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6723] exit_group(0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6730] +++ exited with 0 +++ [pid 6726] <... futex resumed>) = ? [pid 6725] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6723] <... exit_group resumed>) = ? [pid 5837] <... ioctl resumed>) = 0 [pid 6728] +++ exited with 0 +++ [pid 6726] +++ exited with 0 +++ [pid 6725] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6723] +++ exited with 0 +++ ./strace-static-x86_64: Process 6732 attached [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6723, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5837] close(3 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6728, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6732] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6725] <... clone3 resumed> => {parent_tid=[6732]}, 88) = 6732 [pid 5837] <... close resumed>) = 0 [pid 6732] <... rseq resumed>) = 0 [pid 6725] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5839] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6732] set_robust_list(0x7fee5fb339a0, 24 [pid 6725] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6732] <... set_robust_list resumed>) = 0 [pid 6725] <... futex resumed>) = 0 [pid 5839] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6732] rt_sigprocmask(SIG_SETMASK, [], [pid 6725] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... openat resumed>) = 3 [pid 5839] newfstatat(3, "", [pid 5836] <... openat resumed>) = 3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] newfstatat(3, "", ./strace-static-x86_64: Process 6733 attached [pid 6732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] getdents64(3, [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6732] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6729] <... mmap resumed>) = 0x20000000 [pid 6724] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5839] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] getdents64(3, [pid 6724] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6724] <... futex resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./59/binderfs", [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6733] set_robust_list(0x55557a9486a0, 24 [pid 6724] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6733 [pid 5836] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6733] <... set_robust_list resumed>) = 0 [pid 6724] <... mmap resumed>) = 0x7fee5fb13000 [pid 5839] unlink("./59/binderfs" [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6733] chdir("./60" [pid 6724] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 5839] <... unlink resumed>) = 0 [pid 5836] newfstatat(AT_FDCWD, "./59/binderfs", [pid 6733] <... chdir resumed>) = 0 [pid 6729] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... mprotect resumed>) = 0 [pid 5839] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6732] <... madvise resumed>) = 0 [pid 6729] <... futex resumed>) = 0 [pid 6724] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5839] <... umount2 resumed>) = 0 [pid 5836] unlink("./59/binderfs" [pid 6733] <... prctl resumed>) = 0 [pid 6732] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6724] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5839] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... unlink resumed>) = 0 [pid 6733] setpgid(0, 0 [pid 6732] <... futex resumed>) = 1 [pid 6725] <... futex resumed>) = 0 [pid 6724] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6734 attached [pid 6733] <... setpgid resumed>) = 0 [pid 6732] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6725] exit_group(0 [pid 5839] newfstatat(AT_FDCWD, "./59/bus", [pid 5836] <... umount2 resumed>) = 0 [pid 6734] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6732] <... futex resumed>) = ? [pid 6731] <... futex resumed>) = ? [pid 6725] <... exit_group resumed>) = ? [pid 6724] <... clone3 resumed> => {parent_tid=[6734]}, 88) = 6734 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6734] <... rseq resumed>) = 0 [pid 6733] <... openat resumed>) = 3 [pid 6732] +++ exited with 0 +++ [pid 6731] +++ exited with 0 +++ [pid 6725] +++ exited with 0 +++ [pid 6724] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6734] set_robust_list(0x7fee5fb339a0, 24 [pid 6733] write(3, "1000", 4 [pid 6724] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6725, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=2 /* 0.02 s */} --- [pid 5836] newfstatat(AT_FDCWD, "./59/bus", [pid 6734] <... set_robust_list resumed>) = 0 [pid 6733] <... write resumed>) = 4 [pid 6724] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6734] rt_sigprocmask(SIG_SETMASK, [], [pid 6733] close(3 [pid 6724] <... futex resumed>) = 0 [pid 5839] openat(AT_FDCWD, "./59/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6734] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6724] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 4 [pid 5838] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6734] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6733] <... close resumed>) = 0 [pid 5839] newfstatat(4, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] openat(AT_FDCWD, "./59/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6733] symlink("/dev/binderfs", "./binderfs" [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5836] <... openat resumed>) = 4 [pid 5838] newfstatat(3, "", [pid 5836] newfstatat(4, "", [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, [pid 5836] getdents64(4, [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6733] <... symlink resumed>) = 0 [pid 5839] getdents64(4, [pid 5838] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6733] write(1, "executing program\n", 18 [pid 5836] close(4 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] getdents64(4, [pid 5838] newfstatat(AT_FDCWD, "./60/binderfs", [pid 5836] <... close resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] rmdir("./59/bus" [pid 5839] close(4 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6733] <... write resumed>) = 18 [pid 5836] <... rmdir resumed>) = 0 [pid 6733] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... close resumed>) = 0 [pid 5838] unlink("./60/binderfs" [pid 6733] <... futex resumed>) = 0 [pid 5839] rmdir("./59/bus" [pid 5836] getdents64(3, [pid 6733] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5838] <... unlink resumed>) = 0 [pid 6733] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5839] <... rmdir resumed>) = 0 [pid 5838] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] close(3 [pid 6733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6733] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6733] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5836] <... close resumed>) = 0 [pid 5839] getdents64(3, [pid 5836] rmdir("./59" [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6733] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5839] close(3 [pid 5836] <... rmdir resumed>) = 0 [pid 6733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5839] <... close resumed>) = 0 ./strace-static-x86_64: Process 6735 attached [pid 5839] rmdir("./59" [pid 5838] <... umount2 resumed>) = 0 [pid 5836] mkdir("./60", 0777 [pid 6733] <... clone3 resumed> => {parent_tid=[6735]}, 88) = 6735 [pid 6733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 6733] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6733] <... futex resumed>) = 0 [pid 5838] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... mkdir resumed>) = 0 [pid 6735] <... rseq resumed>) = 0 [pid 6733] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5839] mkdir("./60", 0777 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6735] set_robust_list(0x7fee5fb549a0, 24 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5838] newfstatat(AT_FDCWD, "./60/bus", [pid 6735] <... set_robust_list resumed>) = 0 [pid 6735] rt_sigprocmask(SIG_SETMASK, [], [pid 6734] <... madvise resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... openat resumed>) = 3 [pid 6735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6734] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6734] <... futex resumed>) = 1 [pid 6724] <... futex resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6734] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6724] exit_group(0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... ioctl resumed>) = 0 [pid 6735] memfd_create("syzkaller", 0 [pid 6734] <... futex resumed>) = ? [pid 6729] <... futex resumed>) = ? [pid 6724] <... exit_group resumed>) = ? [pid 5839] <... openat resumed>) = 3 [pid 5838] openat(AT_FDCWD, "./60/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] close(3 [pid 6735] <... memfd_create resumed>) = 3 [pid 6734] +++ exited with 0 +++ [pid 6729] +++ exited with 0 +++ [pid 5839] ioctl(3, LOOP_CLR_FD) = 0 [pid 5839] close(3 [pid 6735] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5838] <... openat resumed>) = 4 [pid 6735] <... mmap resumed>) = 0x7fee57600000 [pid 5838] newfstatat(4, "", [pid 5836] <... close resumed>) = 0 [pid 6735] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6735] <... write resumed>) = 131072 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] close(4 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6735] munmap(0x7fee57600000, 138412032 [pid 5838] <... close resumed>) = 0 ./strace-static-x86_64: Process 6737 attached ./strace-static-x86_64: Process 6736 attached [pid 6737] set_robust_list(0x55557a9486a0, 24 [pid 6736] set_robust_list(0x55557a9486a0, 24 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6737 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6736 [pid 6737] <... set_robust_list resumed>) = 0 [pid 6736] <... set_robust_list resumed>) = 0 [pid 5838] rmdir("./60/bus" [pid 6736] chdir("./60" [pid 6737] chdir("./60" [pid 6736] <... chdir resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5838] getdents64(3, [pid 6736] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6737] <... chdir resumed>) = 0 [pid 6736] <... prctl resumed>) = 0 [pid 6737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6736] setpgid(0, 0 [pid 6735] <... munmap resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6737] setpgid(0, 0) = 0 [pid 6736] <... setpgid resumed>) = 0 [pid 6735] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6735] <... openat resumed>) = 4 [pid 5838] close(3 [pid 6737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6735] ioctl(4, LOOP_SET_FD, 3 [pid 6737] <... openat resumed>) = 3 [pid 6736] <... openat resumed>) = 3 [pid 5838] <... close resumed>) = 0 [pid 5838] rmdir("./60") = 0 [pid 5838] mkdir("./61", 0777) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD) = 0 [pid 5838] close(3) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6738 attached [pid 6737] write(3, "1000", 4 [pid 6736] write(3, "1000", 4 [pid 6738] set_robust_list(0x55557a9486a0, 24 [pid 6737] <... write resumed>) = 4 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6738 [pid 6738] <... set_robust_list resumed>) = 0 [pid 6738] chdir("./61" [pid 6737] close(3 [pid 6736] <... write resumed>) = 4 [pid 6735] <... ioctl resumed>) = 0 [pid 6737] <... close resumed>) = 0 [pid 6736] close(3 [pid 6737] symlink("/dev/binderfs", "./binderfs" [pid 6736] <... close resumed>) = 0 [pid 6738] <... chdir resumed>) = 0 [pid 6736] symlink("/dev/binderfs", "./binderfs" [pid 6735] close(3 [pid 6738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6737] <... symlink resumed>) = 0 [pid 6736] <... symlink resumed>) = 0 [pid 6735] <... close resumed>) = 0 [pid 6738] <... prctl resumed>) = 0 [pid 6736] write(1, "executing program\n", 18executing program [pid 6735] close(4 [pid 6738] setpgid(0, 0 [pid 6737] write(1, "executing program\n", 18 [pid 6736] <... write resumed>) = 18 [pid 6735] <... close resumed>) = 0 [pid 6738] <... setpgid resumed>) = 0 [pid 6736] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6735] mkdir("./bus", 0777 [pid 6736] <... futex resumed>) = 0 [pid 6736] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6737] <... write resumed>) = 18 [pid 6736] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6737] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6737] <... futex resumed>) = 0 [pid 6736] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6737] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 6736] <... mprotect resumed>) = 0 [pid 6737] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6736] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6735] <... mkdir resumed>) = 0 [pid 6737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6736] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6737] <... mmap resumed>) = 0x7fee5fb34000 ./strace-static-x86_64: Process 6739 attached [pid 6735] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6737] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6738] <... openat resumed>) = 3 [pid 6737] <... mprotect resumed>) = 0 [pid 6736] <... clone3 resumed> => {parent_tid=[6739]}, 88) = 6739 [pid 6739] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6738] write(3, "1000", 4 [pid 6737] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6736] rt_sigprocmask(SIG_SETMASK, [], [pid 6739] <... rseq resumed>) = 0 [pid 6738] <... write resumed>) = 4 [pid 6736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6739] set_robust_list(0x7fee5fb549a0, 24 [pid 6738] close(3 [pid 6736] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] <... mount resumed>) = 0 [pid 6739] <... set_robust_list resumed>) = 0 [pid 6738] <... close resumed>) = 0 [pid 6737] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6735] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6739] rt_sigprocmask(SIG_SETMASK, [], [pid 6738] symlink("/dev/binderfs", "./binderfs" executing program [pid 6737] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6736] <... futex resumed>) = 0 [pid 6735] <... openat resumed>) = 3 [pid 6739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6738] <... symlink resumed>) = 0 [pid 6735] chdir("./bus"./strace-static-x86_64: Process 6740 attached [pid 6739] memfd_create("syzkaller", 0 [pid 6738] write(1, "executing program\n", 18 [pid 6736] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6735] <... chdir resumed>) = 0 [pid 6739] <... memfd_create resumed>) = 3 [pid 6738] <... write resumed>) = 18 [pid 6724] +++ exited with 0 +++ [pid 6738] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6724, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6735] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6735] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6739] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6735] <... futex resumed>) = 1 [pid 6733] <... futex resumed>) = 0 [pid 6739] <... mmap resumed>) = 0x7fee57600000 [pid 6738] <... futex resumed>) = 0 [pid 6735] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6733] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6738] <... rt_sigaction resumed>NULL, 8) = 0 [ 104.976279][ T6735] loop1: detected capacity change from 0 to 256 [pid 6735] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6740] <... rseq resumed>) = 0 [pid 6739] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6738] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6737] <... clone3 resumed> => {parent_tid=[6740]}, 88) = 6740 [pid 6735] <... openat resumed>) = 4 [pid 6733] <... futex resumed>) = 0 [pid 6738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6735] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] set_robust_list(0x7fee5fb549a0, 24 [pid 6737] rt_sigprocmask(SIG_SETMASK, [], [pid 6733] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6740] <... set_robust_list resumed>) = 0 [pid 6738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6735] <... futex resumed>) = 0 [pid 6733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6740] rt_sigprocmask(SIG_SETMASK, [], [pid 6738] <... mmap resumed>) = 0x7fee5fb34000 [pid 6735] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6737] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6733] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6735] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6740] memfd_create("syzkaller", 0 [pid 6738] <... mprotect resumed>) = 0 [pid 6737] <... futex resumed>) = 0 [pid 6735] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] <... futex resumed>) = 0 [pid 6740] <... memfd_create resumed>) = 3 [pid 6739] <... write resumed>) = 131072 [pid 6738] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6737] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6735] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6740] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6738] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6735] <... futex resumed>) = 0 [pid 6733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6740] <... mmap resumed>) = 0x7fee57600000 [pid 6739] munmap(0x7fee57600000, 138412032 [pid 6738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6735] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6733] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6741 attached [pid 6735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6733] <... futex resumed>) = 0 [pid 5840] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6741] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6739] <... munmap resumed>) = 0 [pid 6738] <... clone3 resumed> => {parent_tid=[6741]}, 88) = 6741 [pid 6735] dup(4 [pid 6733] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6741] <... rseq resumed>) = 0 [pid 6739] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6738] rt_sigprocmask(SIG_SETMASK, [], [pid 6735] <... dup resumed>) = 5 [pid 5840] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6741] set_robust_list(0x7fee5fb549a0, 24 [pid 6739] <... openat resumed>) = 4 [pid 6738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6735] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... openat resumed>) = 3 [pid 6741] <... set_robust_list resumed>) = 0 [pid 6738] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] <... futex resumed>) = 1 [pid 6733] <... futex resumed>) = 0 [pid 5840] newfstatat(3, "", [pid 6741] rt_sigprocmask(SIG_SETMASK, [], [pid 6738] <... futex resumed>) = 0 [pid 6735] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6733] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6738] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6733] <... futex resumed>) = 0 [pid 5840] getdents64(3, [pid 6741] memfd_create("syzkaller", 0 [pid 6740] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6739] ioctl(4, LOOP_SET_FD, 3 [pid 6735] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6733] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6741] <... memfd_create resumed>) = 3 [pid 5840] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6741] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6741] <... mmap resumed>) = 0x7fee57600000 [pid 5840] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./60/binderfs") = 0 [pid 5840] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6741] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6740] <... write resumed>) = 131072 [pid 6739] <... ioctl resumed>) = 0 [pid 5840] <... umount2 resumed>) = 0 [pid 6740] munmap(0x7fee57600000, 138412032 [pid 6739] close(3 [pid 5840] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6741] <... write resumed>) = 131072 [pid 6740] <... munmap resumed>) = 0 [pid 6739] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6739] close(4 [pid 5840] newfstatat(AT_FDCWD, "./60/bus", [pid 6740] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6741] munmap(0x7fee57600000, 138412032 [pid 6739] <... close resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6740] <... openat resumed>) = 4 [pid 6739] mkdir("./bus", 0777 [pid 6741] <... munmap resumed>) = 0 [pid 6741] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 105.055131][ T6739] loop0: detected capacity change from 0 to 256 [ 105.084879][ T6741] loop2: detected capacity change from 0 to 256 [pid 6741] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6740] ioctl(4, LOOP_SET_FD, 3 [pid 6739] <... mkdir resumed>) = 0 [pid 5840] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./60/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5840] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] close(4) = 0 [pid 5840] rmdir("./60/bus" [pid 6741] close(3 [pid 5840] <... rmdir resumed>) = 0 [pid 6741] <... close resumed>) = 0 [pid 5840] getdents64(3, [pid 6741] close(4 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6741] <... close resumed>) = 0 [pid 5840] close(3 [pid 6741] mkdir("./bus", 0777 [pid 5840] <... close resumed>) = 0 [pid 6741] <... mkdir resumed>) = 0 [pid 6740] <... ioctl resumed>) = 0 [pid 6739] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 5840] rmdir("./60") = 0 [pid 6741] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6740] close(3 [pid 6733] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6740] <... close resumed>) = 0 [pid 6733] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] close(4 [pid 6733] <... futex resumed>) = 0 [pid 6740] <... close resumed>) = 0 [pid 6733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6740] mkdir("./bus", 0777 [pid 6733] <... mmap resumed>) = 0x7fee5fb13000 [pid 5840] mkdir("./61", 0777 [pid 6741] <... mount resumed>) = 0 [pid 6740] <... mkdir resumed>) = 0 [pid 6739] <... mount resumed>) = 0 [pid 6733] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 5840] <... mkdir resumed>) = 0 [pid 6740] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6739] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6733] <... mprotect resumed>) = 0 [pid 6741] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6733] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6741] <... openat resumed>) = 3 [pid 6739] <... openat resumed>) = 3 [pid 6733] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6741] chdir("./bus" [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6741] <... chdir resumed>) = 0 [pid 6739] chdir("./bus" [pid 6733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 5840] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6742 attached [pid 6741] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6739] <... chdir resumed>) = 0 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 6742] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6741] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6739] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6733] <... clone3 resumed> => {parent_tid=[6742]}, 88) = 6742 [pid 5840] <... ioctl resumed>) = 0 [pid 6742] <... rseq resumed>) = 0 [pid 6741] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] <... mount resumed>) = 0 [pid 6739] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6733] rt_sigprocmask(SIG_SETMASK, [], [ 105.101959][ T6740] loop3: detected capacity change from 0 to 256 [pid 5840] close(3 [pid 6742] set_robust_list(0x7fee5fb339a0, 24 [pid 6741] <... futex resumed>) = 1 [pid 6740] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6739] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] <... futex resumed>) = 0 [pid 6733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... close resumed>) = 0 [pid 6739] <... futex resumed>) = 1 [pid 6733] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] <... openat resumed>) = 3 [pid 6733] <... futex resumed>) = 0 [pid 6742] <... set_robust_list resumed>) = 0 [pid 6740] chdir("./bus" [pid 6739] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6736] <... futex resumed>) = 0 [pid 6733] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6742] rt_sigprocmask(SIG_SETMASK, [], [pid 6741] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6738] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6741] <... openat resumed>) = 4 [pid 6740] <... chdir resumed>) = 0 [pid 6739] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6738] <... futex resumed>) = 0 [pid 6736] <... futex resumed>) = 0 [pid 6742] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6741] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6739] <... openat resumed>) = 4 [pid 6738] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6736] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] <... futex resumed>) = 0 [pid 6738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6741] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6740] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6739] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6742] <... madvise resumed>) = 0 [pid 6741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6739] <... futex resumed>) = 1 [pid 6736] <... futex resumed>) = 0 [pid 6740] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6741] fcntl(-1, F_SETLEASE, F_WRLCK) = -1 EBADF (Bad file descriptor) [pid 6741] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6741] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6743 attached ) = 0 [pid 6740] <... futex resumed>) = 1 [pid 6738] <... futex resumed>) = 1 [pid 6736] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6743 [pid 6743] set_robust_list(0x55557a9486a0, 24 [pid 6736] <... futex resumed>) = 0 [pid 6741] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6740] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6739] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6738] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6737] <... futex resumed>) = 0 [pid 6737] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6737] <... futex resumed>) = 0 [pid 6743] <... set_robust_list resumed>) = 0 [pid 6743] chdir("./61") = 0 [pid 6743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6743] setpgid(0, 0) = 0 [pid 6742] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6739] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6737] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6736] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6741] <... futex resumed>) = 0 [pid 6740] <... openat resumed>) = 4 [pid 6739] <... futex resumed>) = 0 [pid 6738] <... futex resumed>) = 1 [pid 6736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6743] <... openat resumed>) = 3 [pid 6742] <... futex resumed>) = 1 [pid 6741] dup(4 [pid 6740] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6738] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6736] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] <... futex resumed>) = 0 [pid 6743] write(3, "1000", 4 [pid 6742] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6741] <... dup resumed>) = 5 [pid 6740] <... futex resumed>) = 1 [pid 6739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6737] <... futex resumed>) = 0 [pid 6736] <... futex resumed>) = 0 [pid 6743] <... write resumed>) = 4 [pid 6741] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6739] dup(4 [pid 6737] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6743] close(3 [pid 6741] <... futex resumed>) = 1 [pid 6740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6739] <... dup resumed>) = 5 [pid 6738] <... futex resumed>) = 0 [pid 6737] <... futex resumed>) = 0 [pid 6741] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6740] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6739] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6737] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6740] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6739] <... futex resumed>) = 1 [pid 6738] <... futex resumed>) = 0 [pid 6736] <... futex resumed>) = 0 [pid 6741] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6740] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6738] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6736] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6743] <... close resumed>) = 0 [pid 6740] <... futex resumed>) = 1 [pid 6739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6737] <... futex resumed>) = 0 [pid 6743] symlink("/dev/binderfs", "./binderfs" [pid 6740] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6739] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6737] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] <... futex resumed>) = 0 [pid 6743] <... symlink resumed>) = 0 executing program [pid 6743] write(1, "executing program\n", 18) = 18 [pid 6743] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6743] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 6743] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6737] <... futex resumed>) = 0 [pid 6736] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6737] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6743] <... mmap resumed>) = 0x7fee5fb34000 [pid 6743] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6743] <... mprotect resumed>) = 0 [pid 6740] dup(4 [pid 6743] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6740] <... dup resumed>) = 5 [pid 6740] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6743] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6740] <... futex resumed>) = 1 [pid 6737] <... futex resumed>) = 0 [pid 6743] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6737] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6744 attached [pid 6740] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6737] <... futex resumed>) = 0 [pid 6743] <... clone3 resumed> => {parent_tid=[6744]}, 88) = 6744 [pid 6737] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6743] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6743] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6743] <... futex resumed>) = 0 [pid 6743] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6744] <... rseq resumed>) = 0 [pid 6744] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6744] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6744] memfd_create("syzkaller", 0) = 3 [pid 6744] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6738] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6738] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6738] <... futex resumed>) = 0 [pid 6738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6736] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6736] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6744] <... write resumed>) = 131072 [pid 6736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6735] <... mmap resumed>) = 0x20000000 [pid 6744] munmap(0x7fee57600000, 138412032 [pid 6741] <... mmap resumed>) = 0x20000000 [pid 6740] <... mmap resumed>) = 0x20000000 [pid 6739] <... mmap resumed>) = 0x20000000 [pid 6738] <... mmap resumed>) = 0x7fee5fb13000 [pid 6737] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6736] <... mmap resumed>) = 0x7fee5fb13000 [pid 6744] <... munmap resumed>) = 0 [pid 6741] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6737] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6735] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6741] <... futex resumed>) = 0 [pid 6740] <... futex resumed>) = 0 [pid 6739] <... futex resumed>) = 0 [pid 6738] <... mprotect resumed>) = 0 [pid 6737] <... futex resumed>) = 0 [pid 6736] <... mprotect resumed>) = 0 [pid 6735] <... futex resumed>) = 0 [pid 6739] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6738] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6736] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6733] exit_group(0 [pid 6744] <... openat resumed>) = 4 [pid 6742] <... futex resumed>) = ? [pid 6741] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6737] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6736] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6733] <... exit_group resumed>) = ? [pid 6744] ioctl(4, LOOP_SET_FD, 3 [pid 6742] +++ exited with 0 +++ [pid 6740] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6738] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6745 attached [pid 6738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6746 attached [pid 6745] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6736] <... clone3 resumed> => {parent_tid=[6745]}, 88) = 6745 [pid 6746] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6745] <... rseq resumed>) = 0 [pid 6738] <... clone3 resumed> => {parent_tid=[6746]}, 88) = 6746 [pid 6736] rt_sigprocmask(SIG_SETMASK, [], [pid 6746] <... rseq resumed>) = 0 [pid 6745] set_robust_list(0x7fee5fb339a0, 24 [pid 6738] rt_sigprocmask(SIG_SETMASK, [], [pid 6736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6746] set_robust_list(0x7fee5fb339a0, 24 [pid 6745] <... set_robust_list resumed>) = 0 [pid 6738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6736] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6746] <... set_robust_list resumed>) = 0 [pid 6745] rt_sigprocmask(SIG_SETMASK, [], [pid 6738] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] <... futex resumed>) = 0 [pid 6746] rt_sigprocmask(SIG_SETMASK, [], [pid 6745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6738] <... futex resumed>) = 0 [pid 6736] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6746] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6745] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6738] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6746] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6735] +++ exited with 0 +++ [pid 6733] +++ exited with 0 +++ [pid 6745] <... madvise resumed>) = 0 [pid 6745] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6745] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6736] <... futex resumed>) = 0 [pid 6746] <... madvise resumed>) = 0 [pid 6744] <... ioctl resumed>) = 0 [pid 6740] <... madvise resumed>) = 0 [pid 6736] exit_group(0 [pid 6746] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6745] <... futex resumed>) = ? [pid 6744] close(3 [pid 6740] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] <... futex resumed>) = ? [pid 6736] <... exit_group resumed>) = ? [pid 6746] <... futex resumed>) = 1 [pid 6745] +++ exited with 0 +++ [pid 6744] <... close resumed>) = 0 [pid 6738] <... futex resumed>) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6733, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 6746] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6744] close(4 [pid 6738] exit_group(0 [pid 6746] <... futex resumed>) = ? [pid 6744] <... close resumed>) = 0 [pid 6741] <... futex resumed>) = ? [pid 6738] <... exit_group resumed>) = ? [pid 6746] +++ exited with 0 +++ [pid 6744] mkdir("./bus", 0777 [pid 5837] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6744] <... mkdir resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", [pid 6744] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, [pid 6744] <... mount resumed>) = 0 [pid 6741] +++ exited with 0 +++ [pid 6740] <... futex resumed>) = 1 [pid 6739] +++ exited with 0 +++ [pid 6738] +++ exited with 0 +++ [pid 6737] <... futex resumed>) = 0 [pid 6736] +++ exited with 0 +++ [pid 6737] exit_group(0 [pid 6744] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6737] <... exit_group resumed>) = ? [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6738, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6736, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6744] <... openat resumed>) = 3 [pid 5837] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6744] chdir("./bus" [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6744] <... chdir resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./60/binderfs", [pid 6744] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] unlink("./60/binderfs" [pid 6744] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5838] <... restart_syscall resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6744] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... unlink resumed>) = 0 [pid 5836] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6744] <... futex resumed>) = 1 [pid 6743] <... futex resumed>) = 0 [pid 6744] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6743] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... openat resumed>) = 3 [pid 6744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6743] <... futex resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6744] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6743] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(3, "", [pid 5838] <... openat resumed>) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] getdents64(3, [pid 5838] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 5838] unlink("./61/binderfs") = 0 [pid 5838] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5837] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./61/bus", [pid 5836] newfstatat(AT_FDCWD, "./60/binderfs", [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] newfstatat(AT_FDCWD, "./60/bus", [pid 5838] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 105.280293][ T6744] loop4: detected capacity change from 0 to 256 [pid 5838] openat(AT_FDCWD, "./61/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... openat resumed>) = 4 [pid 5838] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] close(4) = 0 [pid 5838] rmdir("./61/bus" [pid 5837] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] unlink("./60/binderfs" [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... rmdir resumed>) = 0 [pid 5838] getdents64(3, 0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] openat(AT_FDCWD, "./60/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... unlink resumed>) = 0 [pid 5838] close(3) = 0 [pid 5837] <... openat resumed>) = 4 [pid 5836] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] newfstatat(4, "", [pid 5838] rmdir("./61" [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(4, [pid 5838] <... rmdir resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] <... umount2 resumed>) = 0 [pid 5837] close(4 [pid 5838] mkdir("./62", 0777 [pid 5837] <... close resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] rmdir("./60/bus" [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] <... rmdir resumed>) = 0 [pid 5836] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... openat resumed>) = 3 [pid 5837] getdents64(3, 0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6744] <... openat resumed>) = 4 [pid 6740] +++ exited with 0 +++ [pid 6737] +++ exited with 0 +++ [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6744] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6737, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5838] <... ioctl resumed>) = 0 [pid 5837] close(3 [pid 5836] newfstatat(AT_FDCWD, "./60/bus", [pid 6744] <... futex resumed>) = 1 [pid 6743] <... futex resumed>) = 0 [pid 5838] close(3 [pid 5837] <... close resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6744] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6743] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... close resumed>) = 0 [pid 5837] rmdir("./60" [pid 5836] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... rmdir resumed>) = 0 [pid 6744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6743] <... futex resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6747 attached [pid 6744] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6743] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] mkdir("./61", 0777 [pid 5836] openat(AT_FDCWD, "./60/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6747] set_robust_list(0x55557a9486a0, 24 [pid 6744] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] <... set_robust_list resumed>) = 0 [pid 5836] <... openat resumed>) = 4 [pid 6747] chdir("./62") = 0 [pid 6744] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... mkdir resumed>) = 0 [pid 5836] newfstatat(4, "", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6744] <... futex resumed>) = 1 [pid 6743] <... futex resumed>) = 0 [pid 5839] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6744] dup(4 [pid 6743] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6747 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] getdents64(4, [pid 6747] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6744] <... dup resumed>) = 5 [pid 6743] <... futex resumed>) = 0 [pid 5839] newfstatat(3, "", [pid 6747] <... prctl resumed>) = 0 [pid 6744] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6743] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6747] setpgid(0, 0) = 0 [pid 6744] <... futex resumed>) = 0 [pid 6743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] getdents64(3, [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5836] getdents64(4, [pid 6747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6744] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6743] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] <... ioctl resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6747] <... openat resumed>) = 3 [pid 6744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6743] <... futex resumed>) = 0 [pid 5839] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] close(3 [pid 5836] close(4 [pid 6747] write(3, "1000", 4 [pid 6744] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6743] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... close resumed>) = 0 [pid 6747] <... write resumed>) = 4 [pid 5836] <... close resumed>) = 0 [pid 6747] close(3) = 0 [pid 5839] newfstatat(AT_FDCWD, "./60/binderfs", [pid 6747] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] rmdir("./60/bus" [pid 6747] write(1, "executing program\n", 18) = 18 [pid 5839] unlink("./60/binderfs" [pid 5836] <... rmdir resumed>) = 0 [pid 6747] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] getdents64(3, [pid 6747] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5839] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6748 attached [pid 6747] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6748] set_robust_list(0x55557a9486a0, 24 [pid 6747] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5836] close(3 [pid 6748] <... set_robust_list resumed>) = 0 [pid 6747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6748 [pid 5836] <... close resumed>) = 0 [pid 5836] rmdir("./60" [pid 6748] chdir("./61" [pid 6747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5839] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... rmdir resumed>) = 0 [pid 6748] <... chdir resumed>) = 0 [pid 6747] <... mmap resumed>) = 0x7fee5fb34000 [pid 6748] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6747] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6748] <... prctl resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./60/bus", [pid 6748] setpgid(0, 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6748] <... setpgid resumed>) = 0 [pid 6747] <... mprotect resumed>) = 0 [pid 5839] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] mkdir("./61", 0777 [pid 6747] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5839] openat(AT_FDCWD, "./60/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... mkdir resumed>) = 0 [pid 6748] <... openat resumed>) = 3 [pid 5839] <... openat resumed>) = 4 [pid 5839] newfstatat(4, "", [pid 6748] write(3, "1000", 4 [pid 6747] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6748] <... write resumed>) = 4 [pid 6747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6748] close(3 [pid 5839] getdents64(4, [pid 6748] <... close resumed>) = 0 ./strace-static-x86_64: Process 6749 attached [pid 6748] symlink("/dev/binderfs", "./binderfs" [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6749] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6748] <... symlink resumed>) = 0 [pid 6747] <... clone3 resumed> => {parent_tid=[6749]}, 88) = 6749 [pid 5839] getdents64(4, [pid 5836] <... openat resumed>) = 3 [pid 6749] <... rseq resumed>) = 0 [pid 6748] write(1, "executing program\n", 18 executing program [pid 6747] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6749] set_robust_list(0x7fee5fb549a0, 24 [pid 6748] <... write resumed>) = 18 [pid 6747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] close(4 [pid 5836] <... ioctl resumed>) = 0 [pid 6749] <... set_robust_list resumed>) = 0 [pid 6748] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... close resumed>) = 0 [pid 6749] rt_sigprocmask(SIG_SETMASK, [], [pid 6747] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] rmdir("./60/bus" [pid 6749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6748] <... futex resumed>) = 0 [pid 6747] <... futex resumed>) = 0 [pid 6747] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5836] close(3 [pid 6749] memfd_create("syzkaller", 0 [pid 6748] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5839] <... rmdir resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6748] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6749] <... memfd_create resumed>) = 3 [pid 6748] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6750 attached [pid 6749] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] getdents64(3, [pid 6749] <... mmap resumed>) = 0x7fee57600000 [pid 6748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6748] <... mmap resumed>) = 0x7fee5fb34000 [pid 5839] close(3 [pid 6750] set_robust_list(0x55557a9486a0, 24 [pid 6749] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6748] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5839] <... close resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6750 [pid 6750] <... set_robust_list resumed>) = 0 [pid 6750] chdir("./61") = 0 [pid 6750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6750] setpgid(0, 0) = 0 [pid 6750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6743] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6743] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6743] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6750] <... openat resumed>) = 3 [pid 6743] <... mprotect resumed>) = 0 [pid 6743] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6750] write(3, "1000", 4 [pid 6743] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5839] rmdir("./60" [pid 6750] <... write resumed>) = 4 [pid 6748] <... mprotect resumed>) = 0 [pid 6743] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6751 attached [pid 6750] close(3 [pid 6749] <... write resumed>) = 131072 [pid 6750] <... close resumed>) = 0 [pid 6748] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6743] <... clone3 resumed> => {parent_tid=[6751]}, 88) = 6751 [pid 5839] <... rmdir resumed>) = 0 [pid 6751] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6750] symlink("/dev/binderfs", "./binderfs" [pid 6749] munmap(0x7fee57600000, 138412032 [pid 6748] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6743] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] mkdir("./61", 0777 [pid 6751] <... rseq resumed>) = 0 [pid 6750] <... symlink resumed>) = 0 [pid 6749] <... munmap resumed>) = 0 [pid 6748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6743] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6752 attached [pid 6751] set_robust_list(0x7fee5fb339a0, 24 [pid 6750] write(1, "executing program\n", 18 [pid 6749] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6743] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6748] <... clone3 resumed> => {parent_tid=[6752]}, 88) = 6752 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6752] <... rseq resumed>) = 0 [pid 6749] <... openat resumed>) = 4 [pid 6748] rt_sigprocmask(SIG_SETMASK, [], [pid 6752] set_robust_list(0x7fee5fb549a0, 24 [pid 6749] ioctl(4, LOOP_SET_FD, 3 [pid 6748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] <... openat resumed>) = 3 [pid 6752] <... set_robust_list resumed>) = 0 [pid 6748] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6752] rt_sigprocmask(SIG_SETMASK, [], [pid 6748] <... futex resumed>) = 0 [pid 6743] <... futex resumed>) = 0 [pid 6751] <... set_robust_list resumed>) = 0 [pid 6750] <... write resumed>) = 18 [pid 6743] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6750] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6750] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 6750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6751] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6750] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6751] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6750] <... mprotect resumed>) = 0 [pid 6752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6751] <... madvise resumed>) = 0 [pid 6750] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6749] <... ioctl resumed>) = 0 [pid 6748] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5839] ioctl(3, LOOP_CLR_FD [pid 6752] memfd_create("syzkaller", 0 [pid 6750] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6753 attached => {parent_tid=[6753]}, 88) = 6753 [pid 6750] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6753] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6750] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] <... memfd_create resumed>) = 3 [pid 6751] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] <... futex resumed>) = 0 [pid 6753] <... rseq resumed>) = 0 [pid 6752] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6751] <... futex resumed>) = 1 [pid 6750] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6749] close(3 [pid 6743] <... futex resumed>) = 0 [pid 5839] <... ioctl resumed>) = 0 [pid 6753] set_robust_list(0x7fee5fb549a0, 24 [pid 6752] <... mmap resumed>) = 0x7fee57600000 [pid 6751] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6749] <... close resumed>) = 0 [pid 5839] close(3 [pid 6752] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6753] <... set_robust_list resumed>) = 0 [pid 6753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6753] memfd_create("syzkaller", 0 [pid 5839] <... close resumed>) = 0 [pid 6753] <... memfd_create resumed>) = 3 [pid 6753] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6749] close(4 [pid 6753] <... mmap resumed>) = 0x7fee57600000 [pid 6749] <... close resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6752] <... write resumed>) = 131072 [pid 6749] mkdir("./bus", 0777 [pid 6753] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6749] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6754 attached [pid 6753] <... write resumed>) = 131072 [pid 6754] set_robust_list(0x55557a9486a0, 24) = 0 [pid 6754] chdir("./61") = 0 [pid 6753] munmap(0x7fee57600000, 138412032) = 0 [pid 6754] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6754] setpgid(0, 0) = 0 [pid 6754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6754] write(3, "1000", 4) = 4 [pid 6749] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6754 [pid 6754] close(3 [pid 6753] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6754] <... close resumed>) = 0 [pid 6753] <... openat resumed>) = 4 [pid 6754] symlink("/dev/binderfs", "./binderfs" [pid 6753] ioctl(4, LOOP_SET_FD, 3 [pid 6752] munmap(0x7fee57600000, 138412032) = 0 [pid 6754] <... symlink resumed>) = 0 [pid 6752] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6754] write(1, "executing program\n", 18 [pid 6752] <... openat resumed>) = 4 [ 105.483813][ T6749] loop2: detected capacity change from 0 to 256 [ 105.522339][ T6753] loop0: detected capacity change from 0 to 256 executing program [pid 6754] <... write resumed>) = 18 [pid 6754] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] ioctl(4, LOOP_SET_FD, 3 [pid 6749] <... mount resumed>) = 0 [pid 6754] <... futex resumed>) = 0 [pid 6753] <... ioctl resumed>) = 0 [pid 6752] <... ioctl resumed>) = 0 [pid 6754] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6753] close(3 [pid 6754] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6753] <... close resumed>) = 0 [pid 6754] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6753] close(4 [pid 6754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6753] <... close resumed>) = 0 [pid 6754] <... mmap resumed>) = 0x7fee5fb34000 [pid 6753] mkdir("./bus", 0777 [pid 6754] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6753] <... mkdir resumed>) = 0 [pid 6749] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6754] <... mprotect resumed>) = 0 [pid 6753] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6749] <... openat resumed>) = 3 [pid 6754] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6753] <... mount resumed>) = 0 [pid 6749] chdir("./bus" [pid 6754] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6753] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6753] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6755 attached [pid 6753] chdir("./bus" [pid 6752] close(3 [pid 6749] <... chdir resumed>) = 0 [pid 6752] <... close resumed>) = 0 [pid 6749] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6752] close(4 [pid 6754] <... clone3 resumed> => {parent_tid=[6755]}, 88) = 6755 [pid 6753] <... chdir resumed>) = 0 [pid 6752] <... close resumed>) = 0 [pid 6749] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6754] rt_sigprocmask(SIG_SETMASK, [], [pid 6753] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6752] mkdir("./bus", 0777 [pid 6749] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6753] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6754] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6753] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6754] <... futex resumed>) = 0 [pid 6753] <... futex resumed>) = 1 [pid 6750] <... futex resumed>) = 0 [pid 6755] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6754] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6753] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6752] <... mkdir resumed>) = 0 [pid 6750] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] <... futex resumed>) = 1 [pid 6747] <... futex resumed>) = 0 [pid 6755] <... rseq resumed>) = 0 [pid 6753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6752] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6750] <... futex resumed>) = 0 [pid 6749] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6747] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] set_robust_list(0x7fee5fb549a0, 24 [pid 6753] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6750] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6753] <... openat resumed>) = 4 [pid 6749] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6747] <... futex resumed>) = 0 [pid 6755] <... set_robust_list resumed>) = 0 [pid 6753] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] rt_sigprocmask(SIG_SETMASK, [], [pid 6753] <... futex resumed>) = 1 [pid 6750] <... futex resumed>) = 0 [pid 6749] <... openat resumed>) = 4 [pid 6747] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6752] <... mount resumed>) = 0 [pid 6752] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6749] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6747] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] <... futex resumed>) = 0 [pid 6747] <... futex resumed>) = 0 [pid 6752] <... openat resumed>) = 3 [pid 6749] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6747] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6749] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6753] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6750] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] memfd_create("syzkaller", 0 [pid 6753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6750] <... futex resumed>) = 0 [pid 6753] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6750] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6753] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6755] <... memfd_create resumed>) = 3 [pid 6753] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6750] <... futex resumed>) = 0 [pid 6755] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6753] dup(4 [pid 6750] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] <... mmap resumed>) = 0x7fee57600000 [pid 6753] <... dup resumed>) = 5 [pid 6750] <... futex resumed>) = 0 [pid 6755] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6753] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6753] <... futex resumed>) = 0 [pid 6750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6753] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6750] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] <... write resumed>) = 131072 [pid 6752] chdir("./bus" [pid 6750] <... futex resumed>) = 0 [pid 6749] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] <... chdir resumed>) = 0 [pid 6750] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6749] <... futex resumed>) = 1 [pid 6749] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6752] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6747] <... futex resumed>) = 0 [pid 6755] munmap(0x7fee57600000, 138412032 [pid 6752] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] <... munmap resumed>) = 0 [pid 6755] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6752] <... futex resumed>) = 1 [pid 6748] <... futex resumed>) = 0 [pid 6747] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [ 105.543464][ T6752] loop1: detected capacity change from 0 to 256 [pid 6755] ioctl(4, LOOP_SET_FD, 3 [pid 6752] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6749] <... futex resumed>) = 0 [pid 6748] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... futex resumed>) = 1 [pid 6752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6749] dup(4 [pid 6748] <... futex resumed>) = 0 [pid 6747] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6752] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6749] <... dup resumed>) = 5 [pid 6748] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6752] <... openat resumed>) = 4 [pid 6749] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] <... futex resumed>) = 1 [pid 6747] <... futex resumed>) = 0 [pid 6755] <... ioctl resumed>) = 0 [pid 6752] <... futex resumed>) = 1 [pid 6749] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6748] <... futex resumed>) = 0 [pid 6747] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] close(3 [pid 6752] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6748] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... futex resumed>) = 0 [pid 6755] <... close resumed>) = 0 [pid 6752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6749] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6748] <... futex resumed>) = 0 [pid 6747] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] close(4 [pid 6752] fcntl(-1, F_SETLEASE, F_WRLCK) = -1 EBADF (Bad file descriptor) [pid 6748] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6752] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6748] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] <... close resumed>) = 0 [pid 6752] <... futex resumed>) = 0 [pid 6748] <... futex resumed>) = 0 [pid 6752] dup(4 [pid 6748] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] mkdir("./bus", 0777 [pid 6752] <... dup resumed>) = 5 [pid 6750] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6755] <... mkdir resumed>) = 0 [pid 6752] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6752] <... futex resumed>) = 1 [pid 6750] <... mmap resumed>) = 0x7fee5fb13000 [pid 6748] <... futex resumed>) = 0 [pid 6750] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6752] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6750] <... mprotect resumed>) = 0 [pid 6748] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6750] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6748] <... futex resumed>) = 0 [pid 6750] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6748] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6756 attached [ 105.597074][ T6755] loop3: detected capacity change from 0 to 256 [pid 6756] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6750] <... clone3 resumed> => {parent_tid=[6756]}, 88) = 6756 [pid 6755] <... mount resumed>) = 0 [pid 6755] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6756] <... rseq resumed>) = 0 [pid 6755] <... openat resumed>) = 3 [pid 6750] rt_sigprocmask(SIG_SETMASK, [], [pid 6756] set_robust_list(0x7fee5fb339a0, 24 [pid 6750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6756] <... set_robust_list resumed>) = 0 [pid 6750] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6756] rt_sigprocmask(SIG_SETMASK, [], [pid 6755] chdir("./bus" [pid 6747] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6750] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6755] <... chdir resumed>) = 0 [pid 6747] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6756] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6755] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6747] <... futex resumed>) = 0 [pid 6755] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6755] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... mmap resumed>) = 0x7fee5fb13000 [pid 6755] <... futex resumed>) = 1 [pid 6754] <... futex resumed>) = 0 [pid 6747] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6755] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... mprotect resumed>) = 0 [pid 6755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6747] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6755] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6747] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6755] <... openat resumed>) = 4 [pid 6754] <... futex resumed>) = 0 [pid 6755] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6754] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6754] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6757 attached [pid 6755] <... futex resumed>) = 0 [pid 6754] <... futex resumed>) = 0 [pid 6755] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6747] <... clone3 resumed> => {parent_tid=[6757]}, 88) = 6757 [pid 6757] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6755] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6754] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6747] rt_sigprocmask(SIG_SETMASK, [], [pid 6757] <... rseq resumed>) = 0 [pid 6755] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6757] set_robust_list(0x7fee5fb339a0, 24 [pid 6755] <... futex resumed>) = 0 [pid 6747] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] <... set_robust_list resumed>) = 0 [pid 6755] dup(4 [pid 6754] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... futex resumed>) = 0 [pid 6757] rt_sigprocmask(SIG_SETMASK, [], [pid 6755] <... dup resumed>) = 5 [pid 6747] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6757] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6756] <... madvise resumed>) = 0 [pid 6755] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6754] <... futex resumed>) = 0 [pid 6748] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6757] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6756] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] <... futex resumed>) = 0 [pid 6754] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6748] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6756] <... futex resumed>) = 1 [pid 6755] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6753] <... mmap resumed>) = 0x20000000 [pid 6750] <... futex resumed>) = 0 [pid 6749] <... mmap resumed>) = 0x20000000 [pid 6748] <... futex resumed>) = 0 [pid 6744] <... mmap resumed>) = 0x20000000 [pid 6756] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6744] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] <... madvise resumed>) = 0 [pid 6755] <... futex resumed>) = 0 [pid 6754] <... futex resumed>) = 1 [pid 6753] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] <... futex resumed>) = 0 [pid 6757] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6754] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6753] <... futex resumed>) = 0 [pid 6752] <... mmap resumed>) = 0x20000000 [pid 6750] exit_group(0 [pid 6749] <... futex resumed>) = 0 [pid 6748] <... mmap resumed>) = 0x7fee5fb13000 [pid 6744] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6743] exit_group(0 [pid 6757] <... futex resumed>) = 1 [pid 6756] <... futex resumed>) = ? [pid 6752] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6751] <... futex resumed>) = ? [pid 6750] <... exit_group resumed>) = ? [pid 6749] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6748] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6747] <... futex resumed>) = 0 [pid 6744] <... futex resumed>) = ? [pid 6743] <... exit_group resumed>) = ? [pid 6757] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6756] +++ exited with 0 +++ [pid 6753] +++ exited with 0 +++ [pid 6752] <... futex resumed>) = 0 [pid 6751] +++ exited with 0 +++ [pid 6748] <... mprotect resumed>) = 0 [pid 6747] exit_group(0 [pid 6744] +++ exited with 0 +++ [pid 6752] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6749] <... futex resumed>) = ? [pid 6748] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6747] <... exit_group resumed>) = ? [pid 6757] <... futex resumed>) = ? [pid 6749] +++ exited with 0 +++ [pid 6748] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6758 attached [pid 6757] +++ exited with 0 +++ [pid 6747] +++ exited with 0 +++ [pid 6758] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6748] <... clone3 resumed> => {parent_tid=[6758]}, 88) = 6758 [pid 6758] <... rseq resumed>) = 0 [pid 6748] rt_sigprocmask(SIG_SETMASK, [], [pid 6758] set_robust_list(0x7fee5fb339a0, 24 [pid 6748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6748] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6747, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6748] <... futex resumed>) = 0 [pid 6748] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6758] <... set_robust_list resumed>) = 0 [pid 5838] getdents64(3, [pid 6758] rt_sigprocmask(SIG_SETMASK, [], [pid 6755] <... mmap resumed>) = 0x20000000 [pid 6758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6758] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 5838] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./62/binderfs") = 0 [pid 5838] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6743] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6743, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 5838] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./62/bus", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6758] <... madvise resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... openat resumed>) = 3 [pid 5840] newfstatat(3, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, [pid 5838] openat(AT_FDCWD, "./62/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] <... openat resumed>) = 4 [pid 5840] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(4, "", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] newfstatat(AT_FDCWD, "./61/binderfs", [pid 5838] getdents64(4, [pid 6758] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6758] <... futex resumed>) = 1 [pid 6755] <... futex resumed>) = 1 [pid 6754] <... futex resumed>) = 0 [pid 6748] <... futex resumed>) = 0 [pid 5840] unlink("./61/binderfs" [pid 5838] getdents64(4, [pid 6758] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6755] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] +++ exited with 0 +++ [pid 6748] exit_group(0 [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6758] <... futex resumed>) = ? [pid 6755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6754] <... futex resumed>) = 0 [pid 6752] <... futex resumed>) = ? [pid 6748] <... exit_group resumed>) = ? [pid 5840] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] close(4 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6750, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6758] +++ exited with 0 +++ [pid 6755] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6754] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6752] +++ exited with 0 +++ [pid 5838] <... close resumed>) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5838] rmdir("./62/bus") = 0 [pid 5840] <... umount2 resumed>) = 0 [pid 5838] getdents64(3, [pid 5840] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] close(3 [pid 5840] newfstatat(AT_FDCWD, "./61/bus", [pid 5838] <... close resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] rmdir("./62" [pid 5840] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... rmdir resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] mkdir("./63", 0777 [pid 5840] openat(AT_FDCWD, "./61/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... mkdir resumed>) = 0 [pid 5840] <... openat resumed>) = 4 [pid 5840] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5836] <... restart_syscall resumed>) = 0 [pid 6755] <... madvise resumed>) = 0 [pid 6748] +++ exited with 0 +++ [pid 5840] getdents64(4, [pid 5838] <... openat resumed>) = 3 [pid 6755] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6748, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6755] <... futex resumed>) = 1 [pid 6754] <... futex resumed>) = 0 [pid 5840] close(4 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5836] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6755] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] exit_group(0 [pid 5840] <... close resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6755] <... futex resumed>) = ? [pid 6754] <... exit_group resumed>) = ? [pid 5840] rmdir("./61/bus" [pid 5838] close(3 [pid 5837] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6755] +++ exited with 0 +++ [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... openat resumed>) = 3 [pid 5837] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] newfstatat(3, "", [pid 5840] <... rmdir resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5840] getdents64(3, 0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./61") = 0 [pid 5840] mkdir("./62", 0777 [pid 5838] <... close resumed>) = 0 [pid 5837] newfstatat(3, "", [pid 5836] getdents64(3, [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 ./strace-static-x86_64: Process 6759 attached [pid 5840] <... mkdir resumed>) = 0 [pid 5837] getdents64(3, [pid 5836] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6759] set_robust_list(0x55557a9486a0, 24) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6759 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(AT_FDCWD, "./61/binderfs", [pid 6759] chdir("./63" [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6759] <... chdir resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./61/binderfs", [pid 6759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] unlink("./61/binderfs" [pid 6759] <... prctl resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 6759] setpgid(0, 0 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5837] unlink("./61/binderfs" [pid 5836] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6759] <... setpgid resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5837] <... unlink resumed>) = 0 [pid 6759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5837] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6759] <... openat resumed>) = 3 [pid 5840] <... ioctl resumed>) = 0 [pid 6759] write(3, "1000", 4 [pid 5840] close(3 [pid 6759] <... write resumed>) = 4 [pid 5840] <... close resumed>) = 0 [pid 6759] close(3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6759] <... close resumed>) = 0 [pid 5836] <... umount2 resumed>) = 0 [pid 6759] symlink("/dev/binderfs", "./binderfs" [pid 5837] <... umount2 resumed>) = 0 [pid 5836] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program ./strace-static-x86_64: Process 6760 attached [pid 6759] <... symlink resumed>) = 0 [pid 5837] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6759] write(1, "executing program\n", 18 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./61/bus", [pid 6759] <... write resumed>) = 18 [pid 5837] newfstatat(AT_FDCWD, "./61/bus", [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6759] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6760] set_robust_list(0x55557a9486a0, 24 [pid 6759] <... futex resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6760 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6760] <... set_robust_list resumed>) = 0 [pid 6759] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6760] chdir("./62" [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6760] <... chdir resumed>) = 0 [pid 6760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6760] setpgid(0, 0) = 0 [pid 6760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6759] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5837] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] openat(AT_FDCWD, "./61/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6759] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] openat(AT_FDCWD, "./61/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... openat resumed>) = 4 [pid 6759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] newfstatat(4, "", [pid 6760] write(3, "1000", 4 [pid 6759] <... mmap resumed>) = 0x7fee5fb34000 [pid 5837] <... openat resumed>) = 4 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6760] <... write resumed>) = 4 [pid 6759] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5837] newfstatat(4, "", [pid 5836] getdents64(4, [pid 6760] close(3 [pid 6759] <... mprotect resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6760] <... close resumed>) = 0 [pid 6759] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5836] getdents64(4, [pid 6760] symlink("/dev/binderfs", "./binderfs" [pid 6759] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6760] <... symlink resumed>) = 0 [pid 6759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] close(4./strace-static-x86_64: Process 6761 attached [pid 6760] write(1, "executing program\n", 18 [pid 5837] getdents64(4, [pid 5836] <... close resumed>) = 0 [pid 6759] <... clone3 resumed> => {parent_tid=[6761]}, 88) = 6761 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] rmdir("./61/bus" [pid 6759] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] getdents64(4, executing program [pid 6761] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 6761] <... rseq resumed>) = 0 [pid 6759] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] close(4 [pid 5836] getdents64(3, [pid 6761] set_robust_list(0x7fee5fb549a0, 24 [pid 6760] <... write resumed>) = 18 [pid 6759] <... futex resumed>) = 0 [pid 6761] <... set_robust_list resumed>) = 0 [pid 6760] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] <... close resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6761] rt_sigprocmask(SIG_SETMASK, [], [pid 6760] <... futex resumed>) = 0 [pid 5836] close(3 [pid 6761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] rmdir("./61/bus" [pid 5836] <... close resumed>) = 0 [pid 6761] memfd_create("syzkaller", 0 [pid 6760] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5837] <... rmdir resumed>) = 0 [pid 5836] rmdir("./61" [pid 6761] <... memfd_create resumed>) = 3 [pid 6760] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5837] getdents64(3, [pid 5836] <... rmdir resumed>) = 0 [pid 6760] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] mkdir("./62", 0777 [pid 6761] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] close(3 [pid 5836] <... mkdir resumed>) = 0 [pid 6761] <... mmap resumed>) = 0x7fee57600000 [pid 6761] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 5837] <... close resumed>) = 0 [pid 6760] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5837] rmdir("./61") = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6760] <... mprotect resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5837] mkdir("./62", 0777 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6761] <... write resumed>) = 131072 [pid 6760] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... ioctl resumed>) = 0 [pid 5836] close(3) = 0 [pid 6761] munmap(0x7fee57600000, 138412032 [pid 6760] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6754] +++ exited with 0 +++ [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6761] <... munmap resumed>) = 0 [pid 6760] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6754, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5837] <... openat resumed>) = 3 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6762 attached [pid 6761] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6762] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053) = 0 [pid 5837] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6763 attached [pid 6762] set_robust_list(0x7fee5fb549a0, 24 [pid 6761] <... openat resumed>) = 4 [pid 5839] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] close(3 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6763 [pid 6761] ioctl(4, LOOP_SET_FD, 3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... close resumed>) = 0 [pid 5839] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6763] set_robust_list(0x55557a9486a0, 24) = 0 [pid 6762] <... set_robust_list resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 6762] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6762] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6764 attached [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6764 [pid 6760] <... clone3 resumed> => {parent_tid=[6762]}, 88) = 6762 [pid 5839] newfstatat(3, "", [pid 6764] set_robust_list(0x55557a9486a0, 24) = 0 [pid 6764] chdir("./62" [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6760] rt_sigprocmask(SIG_SETMASK, [], [pid 6764] <... chdir resumed>) = 0 [pid 6763] chdir("./62" [pid 5839] getdents64(3, [pid 6760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6760] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6764] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6762] <... futex resumed>) = 0 [pid 6760] <... futex resumed>) = 1 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6764] <... prctl resumed>) = 0 [pid 6762] memfd_create("syzkaller", 0 [pid 6760] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5839] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6764] setpgid(0, 0 [pid 6762] <... memfd_create resumed>) = 3 [pid 6764] <... setpgid resumed>) = 0 [pid 6762] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6762] <... mmap resumed>) = 0x7fee57600000 [pid 6764] <... openat resumed>) = 3 [pid 6763] <... chdir resumed>) = 0 [pid 6762] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6763] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] newfstatat(AT_FDCWD, "./61/binderfs", [pid 6764] write(3, "1000", 4 [pid 6763] <... prctl resumed>) = 0 [pid 6762] <... write resumed>) = 131072 [pid 6764] <... write resumed>) = 4 [pid 6764] close(3) = 0 [pid 6764] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6764] write(1, "executing program\n", 18 [pid 6763] setpgid(0, 0 [pid 6764] <... write resumed>) = 18 [pid 6762] munmap(0x7fee57600000, 138412032 [pid 6764] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6763] <... setpgid resumed>) = 0 [pid 6762] <... munmap resumed>) = 0 [pid 6761] <... ioctl resumed>) = 0 [pid 5839] unlink("./61/binderfs" [pid 6764] <... futex resumed>) = 0 [pid 6762] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6761] close(3 [pid 6764] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6761] <... close resumed>) = 0 [pid 6764] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6762] <... openat resumed>) = 4 [pid 6761] close(4 [pid 5839] <... unlink resumed>) = 0 [pid 6763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6764] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6762] ioctl(4, LOOP_SET_FD, 3 [pid 6761] <... close resumed>) = 0 [pid 5839] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6763] <... openat resumed>) = 3 [pid 6764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6764] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6763] write(3, "1000", 4 [pid 5839] <... umount2 resumed>) = 0 [pid 6763] <... write resumed>) = 4 [pid 6763] close(3 [pid 6764] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6761] mkdir("./bus", 0777 [pid 5839] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6763] <... close resumed>) = 0 [pid 6761] <... mkdir resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6763] symlink("/dev/binderfs", "./binderfs" [pid 5839] newfstatat(AT_FDCWD, "./61/bus", [pid 6764] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6763] <... symlink resumed>) = 0 [pid 6761] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6763] write(1, "executing program\n", 18) = 18 [pid 5839] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6763] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6764] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6763] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6763] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6765 attached [pid 6763] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5839] openat(AT_FDCWD, "./61/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6763] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6761] <... mount resumed>) = 0 [pid 5839] <... openat resumed>) = 4 [pid 6763] <... mmap resumed>) = 0x7fee5fb34000 [pid 6761] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5839] newfstatat(4, "", [pid 6763] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6761] <... openat resumed>) = 3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6763] <... mprotect resumed>) = 0 [pid 5839] getdents64(4, [pid 6765] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6763] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6761] chdir("./bus" [pid 5839] getdents64(4, [pid 6765] <... rseq resumed>) = 0 [pid 6763] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6761] <... chdir resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6765] set_robust_list(0x7fee5fb549a0, 24 [pid 6764] <... clone3 resumed> => {parent_tid=[6765]}, 88) = 6765 [pid 6763] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6761] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6765] <... set_robust_list resumed>) = 0 [pid 6764] rt_sigprocmask(SIG_SETMASK, [], [pid 6761] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5839] close(4./strace-static-x86_64: Process 6766 attached [pid 6765] rt_sigprocmask(SIG_SETMASK, [], [pid 6764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6761] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... close resumed>) = 0 [pid 6766] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6765] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6764] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6763] <... clone3 resumed> => {parent_tid=[6766]}, 88) = 6766 [pid 6761] <... futex resumed>) = 1 [pid 6759] <... futex resumed>) = 0 [pid 6762] <... ioctl resumed>) = 0 [pid 5839] rmdir("./61/bus" [pid 6766] <... rseq resumed>) = 0 [pid 6765] memfd_create("syzkaller", 0 [pid 6764] <... futex resumed>) = 0 [pid 6762] close(3 [pid 6761] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6759] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... rmdir resumed>) = 0 [pid 6765] <... memfd_create resumed>) = 3 [pid 6764] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6762] <... close resumed>) = 0 [pid 6761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6759] <... futex resumed>) = 0 [pid 5839] getdents64(3, [pid 6765] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6762] close(4 [pid 6761] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6759] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6766] set_robust_list(0x7fee5fb549a0, 24 [pid 6765] <... mmap resumed>) = 0x7fee57600000 [pid 6763] rt_sigprocmask(SIG_SETMASK, [], [pid 6762] <... close resumed>) = 0 [pid 6761] <... openat resumed>) = 4 [pid 5839] close(3 [pid 6766] <... set_robust_list resumed>) = 0 [pid 6765] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6761] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... close resumed>) = 0 [pid 6766] rt_sigprocmask(SIG_SETMASK, [], [pid 6765] <... write resumed>) = 131072 [pid 6763] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6762] mkdir("./bus", 0777 [pid 6761] <... futex resumed>) = 1 [pid 6759] <... futex resumed>) = 0 [pid 5839] rmdir("./61" [pid 6766] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6763] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] memfd_create("syzkaller", 0 [pid 6763] <... futex resumed>) = 0 [pid 6759] <... futex resumed>) = 0 [pid 6766] <... memfd_create resumed>) = 3 [pid 6763] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6762] <... mkdir resumed>) = 0 [pid 6761] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6759] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... rmdir resumed>) = 0 [pid 6766] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6765] munmap(0x7fee57600000, 138412032 [pid 6762] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6761] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6765] <... munmap resumed>) = 0 [pid 6761] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6759] <... futex resumed>) = 0 [pid 5839] mkdir("./62", 0777 [pid 6759] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... mkdir resumed>) = 0 [pid 6761] dup(4 [pid 6759] <... futex resumed>) = 0 [pid 6765] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6761] <... dup resumed>) = 5 [pid 6759] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6765] <... openat resumed>) = 4 [pid 6762] <... mount resumed>) = 0 [pid 6761] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6765] ioctl(4, LOOP_SET_FD, 3 [pid 6762] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6761] <... futex resumed>) = 0 [pid 6759] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... openat resumed>) = 3 [pid 6766] <... mmap resumed>) = 0x7fee57600000 [pid 6762] <... openat resumed>) = 3 [pid 6761] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6759] <... futex resumed>) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 6759] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... ioctl resumed>) = 0 [pid 6766] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6762] chdir("./bus" [pid 5839] close(3 [pid 6762] <... chdir resumed>) = 0 [pid 6766] <... write resumed>) = 131072 [ 105.914050][ T6761] loop2: detected capacity change from 0 to 256 [ 105.938085][ T6762] loop4: detected capacity change from 0 to 256 [pid 6762] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6766] munmap(0x7fee57600000, 138412032 [pid 6765] <... ioctl resumed>) = 0 [pid 6762] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6762] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5839] <... close resumed>) = 0 [pid 6762] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6760] <... futex resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6760] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] <... munmap resumed>) = 0 [pid 6760] <... futex resumed>) = 1 [pid 6760] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6762] <... futex resumed>) = 0 [pid 6762] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME) = 4 [pid 6762] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6767 attached ) = 1 [pid 6760] <... futex resumed>) = 0 [pid 6762] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6767 [pid 6767] set_robust_list(0x55557a9486a0, 24 [pid 6760] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... set_robust_list resumed>) = 0 [pid 6767] chdir("./62" [pid 6760] <... futex resumed>) = 1 [pid 6767] <... chdir resumed>) = 0 [pid 6762] <... futex resumed>) = 0 [pid 6760] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6762] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6766] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6767] <... prctl resumed>) = 0 [pid 6762] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6767] setpgid(0, 0 [pid 6766] <... openat resumed>) = 4 [pid 6762] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... setpgid resumed>) = 0 [pid 6762] <... futex resumed>) = 1 [pid 6760] <... futex resumed>) = 0 [pid 6766] ioctl(4, LOOP_SET_FD, 3 [pid 6762] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6760] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6767] <... openat resumed>) = 3 [pid 6765] close(3 [pid 6762] dup(4 [pid 6767] write(3, "1000", 4 [pid 6765] <... close resumed>) = 0 [pid 6762] <... dup resumed>) = 5 [pid 6767] <... write resumed>) = 4 [pid 6765] close(4 [pid 6762] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] close(3 [pid 6765] <... close resumed>) = 0 [pid 6762] <... futex resumed>) = 0 [pid 6767] <... close resumed>) = 0 [pid 6765] mkdir("./bus", 0777 [pid 6762] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6767] symlink("/dev/binderfs", "./binderfs" [pid 6765] <... mkdir resumed>) = 0 [pid 6767] <... symlink resumed>) = 0 [pid 6767] write(1, "executing program\n", 18) = 18 [pid 6767] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6762] <... futex resumed>) = 0 [pid 6760] <... futex resumed>) = 1 [pid 6767] <... futex resumed>) = 0 [pid 6765] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6762] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6760] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6767] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 6767] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6767] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6767] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6759] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6767] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6759] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6759] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6768 attached [pid 6760] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6760] <... futex resumed>) = 1 [pid 6762] <... futex resumed>) = 0 [pid 6762] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6760] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6768] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6767] <... clone3 resumed> => {parent_tid=[6768]}, 88) = 6768 [pid 6759] <... mmap resumed>) = 0x7fee5fb13000 [pid 6768] <... rseq resumed>) = 0 [pid 6767] rt_sigprocmask(SIG_SETMASK, [], [pid 6759] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6768] set_robust_list(0x7fee5fb549a0, 24 [pid 6767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6759] <... mprotect resumed>) = 0 [pid 6768] <... set_robust_list resumed>) = 0 [pid 6767] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] rt_sigprocmask(SIG_SETMASK, [], [pid 6765] <... mount resumed>) = 0 [pid 6759] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6767] <... futex resumed>) = 0 [pid 6765] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6768] memfd_create("syzkaller", 0 [pid 6767] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6765] <... openat resumed>) = 3 [pid 6759] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6768] <... memfd_create resumed>) = 3 [pid 6765] chdir("./bus" [pid 6759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6769 attached [pid 6768] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6766] <... ioctl resumed>) = 0 [pid 6765] <... chdir resumed>) = 0 [pid 6769] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6768] <... mmap resumed>) = 0x7fee57600000 [pid 6766] close(3 [pid 6765] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6759] <... clone3 resumed> => {parent_tid=[6769]}, 88) = 6769 [pid 6769] <... rseq resumed>) = 0 [pid 6766] <... close resumed>) = 0 [ 105.994199][ T6765] loop1: detected capacity change from 0 to 256 [ 106.020268][ T6766] loop0: detected capacity change from 0 to 256 [pid 6766] close(4 [pid 6769] set_robust_list(0x7fee5fb339a0, 24 [pid 6768] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6766] <... close resumed>) = 0 [pid 6765] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6759] rt_sigprocmask(SIG_SETMASK, [], [pid 6769] <... set_robust_list resumed>) = 0 [pid 6768] <... write resumed>) = 131072 [pid 6765] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6766] mkdir("./bus", 0777 [pid 6769] rt_sigprocmask(SIG_SETMASK, [], [pid 6765] <... futex resumed>) = 1 [pid 6759] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6765] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6759] <... futex resumed>) = 0 [pid 6769] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6766] <... mkdir resumed>) = 0 [pid 6759] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6769] <... madvise resumed>) = 0 [pid 6766] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6769] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] munmap(0x7fee57600000, 138412032 [pid 6764] <... futex resumed>) = 0 [pid 6769] <... futex resumed>) = 1 [pid 6768] <... munmap resumed>) = 0 [pid 6764] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... futex resumed>) = 0 [pid 6765] <... futex resumed>) = 0 [pid 6764] <... futex resumed>) = 1 [pid 6769] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6768] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6765] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6764] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6768] <... openat resumed>) = 4 [pid 6765] <... openat resumed>) = 4 [pid 6768] ioctl(4, LOOP_SET_FD, 3 [pid 6765] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] <... mount resumed>) = 0 [pid 6765] <... futex resumed>) = 1 [pid 6764] <... futex resumed>) = 0 [pid 6766] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6764] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6760] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6760] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6760] <... futex resumed>) = 0 [pid 6760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6765] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6765] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6764] <... futex resumed>) = 0 [pid 6766] chdir("./bus" [pid 6764] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6766] <... chdir resumed>) = 0 [pid 6766] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6766] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6765] <... futex resumed>) = 0 [pid 6764] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6765] dup(4 [pid 6764] <... futex resumed>) = 0 [pid 6763] <... futex resumed>) = 0 [pid 6766] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6763] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6763] <... futex resumed>) = 0 [pid 6768] <... ioctl resumed>) = 0 [pid 6766] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6765] <... dup resumed>) = 5 [pid 6764] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6763] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6760] <... mmap resumed>) = 0x7fee5fb13000 [pid 6765] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6760] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6765] <... futex resumed>) = 1 [pid 6764] <... futex resumed>) = 0 [pid 6764] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] close(3) = 0 [pid 6766] <... openat resumed>) = 4 [pid 6765] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6764] <... futex resumed>) = 0 [pid 6764] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6768] close(4 [pid 6766] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6763] <... futex resumed>) = 0 [pid 6768] <... close resumed>) = 0 [pid 6766] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6763] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6763] <... futex resumed>) = 0 [pid 6768] mkdir("./bus", 0777 [pid 6760] <... mprotect resumed>) = 0 [pid 6760] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6760] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6770 attached [pid 6770] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6760] <... clone3 resumed> => {parent_tid=[6770]}, 88) = 6770 [pid 6770] <... rseq resumed>) = 0 [pid 6760] rt_sigprocmask(SIG_SETMASK, [], [pid 6770] set_robust_list(0x7fee5fb339a0, 24 [pid 6760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6770] <... set_robust_list resumed>) = 0 [pid 6760] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] rt_sigprocmask(SIG_SETMASK, [], [pid 6760] <... futex resumed>) = 0 [pid 6770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6763] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6760] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6770] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6768] <... mkdir resumed>) = 0 [pid 6766] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6768] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6766] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6766] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6763] <... futex resumed>) = 0 [pid 6766] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 106.085982][ T6768] loop3: detected capacity change from 0 to 256 [pid 6763] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] <... mount resumed>) = 0 [pid 6766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6763] <... futex resumed>) = 0 [pid 6770] <... madvise resumed>) = 0 [pid 6768] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6766] dup(4 [pid 6763] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6768] <... openat resumed>) = 3 [pid 6766] <... dup resumed>) = 5 [pid 6768] chdir("./bus" [pid 6766] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] <... chdir resumed>) = 0 [pid 6766] <... futex resumed>) = 1 [pid 6768] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6766] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6768] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6763] <... futex resumed>) = 0 [pid 6763] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6763] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6766] <... futex resumed>) = 0 [pid 6768] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6770] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6770] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6760] <... futex resumed>) = 0 [pid 6768] <... futex resumed>) = 1 [pid 6767] <... futex resumed>) = 0 [pid 6764] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6767] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6764] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... futex resumed>) = 0 [pid 6764] <... futex resumed>) = 0 [pid 6767] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6764] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6764] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6764] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6771 attached => {parent_tid=[6771]}, 88) = 6771 [pid 6764] rt_sigprocmask(SIG_SETMASK, [], [pid 6771] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6771] <... rseq resumed>) = 0 [pid 6764] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] set_robust_list(0x7fee5fb339a0, 24 [pid 6764] <... futex resumed>) = 0 [pid 6771] <... set_robust_list resumed>) = 0 [pid 6764] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6771] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6768] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME) = 4 [pid 6771] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6768] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6767] <... futex resumed>) = 0 [pid 6767] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6768] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6767] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6768] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6764] <... futex resumed>) = 0 [pid 6771] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6768] <... futex resumed>) = 1 [pid 6767] <... futex resumed>) = 0 [pid 6768] dup(4 [pid 6767] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] <... dup resumed>) = 5 [pid 6767] <... futex resumed>) = 0 [pid 6767] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6768] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6768] <... futex resumed>) = 0 [pid 6767] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6763] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6763] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6763] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6763] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6763] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6772 attached [pid 6772] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6763] <... clone3 resumed> => {parent_tid=[6772]}, 88) = 6772 [pid 6772] <... rseq resumed>) = 0 [pid 6772] set_robust_list(0x7fee5fb339a0, 24 [pid 6763] rt_sigprocmask(SIG_SETMASK, [], [pid 6772] <... set_robust_list resumed>) = 0 [pid 6763] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6772] rt_sigprocmask(SIG_SETMASK, [], [pid 6763] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6763] <... futex resumed>) = 0 [pid 6772] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6763] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6772] <... madvise resumed>) = 0 [pid 6767] <... futex resumed>) = 0 [pid 6767] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6772] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6763] <... futex resumed>) = 0 [pid 6772] <... futex resumed>) = 1 [pid 6772] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6765] <... mmap resumed>) = 0x20000000 [pid 6761] <... mmap resumed>) = 0x20000000 [pid 6766] <... mmap resumed>) = 0x20000000 [pid 6762] <... mmap resumed>) = 0x20000000 [pid 6765] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] <... mmap resumed>) = 0x20000000 [pid 6766] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] <... futex resumed>) = 0 [pid 6762] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] <... futex resumed>) = 0 [pid 6765] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6762] <... futex resumed>) = 0 [pid 6760] exit_group(0 [pid 6770] <... futex resumed>) = ? [pid 6768] <... futex resumed>) = 1 [pid 6767] <... futex resumed>) = 0 [pid 6766] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6763] exit_group(0 [pid 6761] <... futex resumed>) = 0 [pid 6760] <... exit_group resumed>) = ? [pid 6759] exit_group(0 [pid 6772] <... futex resumed>) = ? [pid 6770] +++ exited with 0 +++ [pid 6768] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6767] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] <... futex resumed>) = ? [pid 6764] exit_group(0 [pid 6763] <... exit_group resumed>) = ? [pid 6762] +++ exited with 0 +++ [pid 6761] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6772] +++ exited with 0 +++ [pid 6771] <... futex resumed>) = ? [pid 6769] <... futex resumed>) = ? [pid 6767] <... futex resumed>) = 0 [pid 6766] +++ exited with 0 +++ [pid 6765] <... futex resumed>) = ? [pid 6764] <... exit_group resumed>) = ? [pid 6763] +++ exited with 0 +++ [pid 6761] <... futex resumed>) = ? [pid 6760] +++ exited with 0 +++ [pid 6759] <... exit_group resumed>) = ? [pid 6771] +++ exited with 0 +++ [pid 6769] +++ exited with 0 +++ [pid 6768] <... madvise resumed>) = 0 [pid 6767] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6765] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6760, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6768] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6763, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6768] <... futex resumed>) = 0 [pid 6767] exit_group(0) = ? [pid 5836] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5836] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5836] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6761] +++ exited with 0 +++ [pid 6759] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6759, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5836] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] unlink("./62/binderfs") = 0 [pid 5836] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5836] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./62/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./62/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5836] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] getdents64(4, [pid 6764] +++ exited with 0 +++ [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6764, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5836] close(4 [pid 5837] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5838] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] rmdir("./62/bus" [pid 5840] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... rmdir resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... openat resumed>) = 3 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] newfstatat(3, "", [pid 5837] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... openat resumed>) = 3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5840] newfstatat(3, "", [pid 5838] getdents64(3, [pid 5837] newfstatat(3, "", [pid 5836] getdents64(3, [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] getdents64(3, [pid 5838] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] getdents64(3, [pid 5836] close(3 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./63/binderfs", [pid 5837] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] rmdir("./62" [pid 5840] newfstatat(AT_FDCWD, "./62/binderfs", [pid 5837] newfstatat(AT_FDCWD, "./62/binderfs", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./62/binderfs" [pid 5837] unlink("./62/binderfs" [pid 5840] <... unlink resumed>) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 5840] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = 0 [pid 5838] unlink("./63/binderfs" [pid 5837] <... umount2 resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5840] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 5837] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] mkdir("./63", 0777 [pid 5840] newfstatat(AT_FDCWD, "./62/bus", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] newfstatat(AT_FDCWD, "./62/bus", [pid 5836] <... mkdir resumed>) = 0 [pid 5840] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = 0 [pid 5838] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./63/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./63/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5838] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] close(4) = 0 [pid 5838] rmdir("./63/bus") = 0 [pid 5838] getdents64(3, 0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] close(3) = 0 [pid 6768] +++ exited with 0 +++ [pid 6767] +++ exited with 0 +++ [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] rmdir("./63" [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5840] openat(AT_FDCWD, "./62/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6767, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5837] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... openat resumed>) = 4 [pid 5838] <... rmdir resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... openat resumed>) = 3 [pid 5840] newfstatat(4, "", [pid 5837] openat(AT_FDCWD, "./62/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] mkdir("./64", 0777 [pid 5840] getdents64(4, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... ioctl resumed>) = 0 [pid 5839] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] <... mkdir resumed>) = 0 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] close(3 [pid 5839] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5839] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... openat resumed>) = 3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5839] unlink("./62/binderfs" [pid 5838] <... ioctl resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] close(3) = 0 [pid 5836] <... close resumed>) = 0 [pid 5839] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6774 attached [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... umount2 resumed>) = 0 [pid 5837] <... openat resumed>) = 4 [pid 6774] set_robust_list(0x55557a9486a0, 24) = 0 [pid 6774] chdir("./63") = 0 [pid 5839] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5839] newfstatat(AT_FDCWD, "./62/bus", [pid 6774] setpgid(0, 0 [pid 5840] getdents64(4, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] newfstatat(4, "", [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6774 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] close(4 [pid 5839] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] getdents64(4, [pid 6774] <... setpgid resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] rmdir("./62/bus" [pid 5839] openat(AT_FDCWD, "./62/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6775 [pid 5837] getdents64(4, ./strace-static-x86_64: Process 6775 attached [pid 6774] <... openat resumed>) = 3 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... openat resumed>) = 4 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6775] set_robust_list(0x55557a9486a0, 24) = 0 [pid 6774] write(3, "1000", 4 [pid 5840] getdents64(3, [pid 5839] newfstatat(4, "", [pid 5837] close(4 [pid 6775] chdir("./64" [pid 6774] <... write resumed>) = 4 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... close resumed>) = 0 [pid 6775] <... chdir resumed>) = 0 [pid 6774] close(3 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] getdents64(4, [pid 5837] rmdir("./62/bus" [pid 6775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6774] <... close resumed>) = 0 [pid 5840] close(3 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] <... rmdir resumed>) = 0 [pid 6775] <... prctl resumed>) = 0 [pid 6774] symlink("/dev/binderfs", "./binderfs" [pid 6775] setpgid(0, 0) = 0 [pid 6775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6774] <... symlink resumed>) = 0 [pid 5840] <... close resumed>) = 0 executing program [pid 5839] getdents64(4, [pid 5840] rmdir("./62" [pid 5837] getdents64(3, [pid 6774] write(1, "executing program\n", 18 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6774] <... write resumed>) = 18 [pid 5839] close(4 [pid 6774] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... close resumed>) = 0 [pid 6774] <... futex resumed>) = 0 [pid 5840] mkdir("./63", 0777 [pid 5839] rmdir("./62/bus" [pid 5837] close(3 [pid 6774] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 6774] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5837] rmdir("./62") = 0 [pid 6774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6775] <... openat resumed>) = 3 [pid 6774] <... mmap resumed>) = 0x7fee5fb34000 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] getdents64(3, [pid 5840] <... openat resumed>) = 3 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] close(3 [pid 5840] <... ioctl resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5840] close(3 [pid 5839] rmdir("./62" [pid 6774] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5840] <... close resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5837] mkdir("./63", 0777 [pid 6775] write(3, "1000", 4 [pid 6774] <... mprotect resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 6774] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6774] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5839] mkdir("./63", 0777 [pid 5837] <... openat resumed>) = 3 [pid 5839] <... mkdir resumed>) = 0 [pid 6774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6776 attached [pid 6775] <... write resumed>) = 4 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] <... ioctl resumed>) = 0 [pid 6775] close(3./strace-static-x86_64: Process 6777 attached [pid 6776] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6775] <... close resumed>) = 0 [pid 6774] <... clone3 resumed> => {parent_tid=[6776]}, 88) = 6776 [pid 5839] <... openat resumed>) = 3 [pid 5837] close(3 [pid 6777] set_robust_list(0x55557a9486a0, 24 [pid 6776] <... rseq resumed>) = 0 [pid 6775] symlink("/dev/binderfs", "./binderfs" [pid 6774] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6776] set_robust_list(0x7fee5fb549a0, 24 [pid 6775] <... symlink resumed>) = 0 [pid 6774] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... close resumed>) = 0 [pid 6776] <... set_robust_list resumed>) = 0 [pid 6775] write(1, "executing program\n", 18 [pid 6774] <... futex resumed>) = 0 [pid 6777] <... set_robust_list resumed>) = 0 [pid 6774] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6777] chdir("./63" [pid 5839] ioctl(3, LOOP_CLR_FD [pid 6777] <... chdir resumed>) = 0 [pid 5839] <... ioctl resumed>) = 0 [pid 6777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6777 executing program [pid 5839] close(3 [pid 6777] <... prctl resumed>) = 0 [pid 6776] rt_sigprocmask(SIG_SETMASK, [], [pid 6775] <... write resumed>) = 18 [pid 5839] <... close resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6777] setpgid(0, 0 [pid 6776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6775] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6778 attached [pid 6777] <... setpgid resumed>) = 0 [pid 6776] memfd_create("syzkaller", 0 [pid 6775] <... futex resumed>) = 0 [pid 6778] set_robust_list(0x55557a9486a0, 24 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6778] <... set_robust_list resumed>) = 0 [pid 6778] chdir("./63"./strace-static-x86_64: Process 6779 attached ) = 0 [pid 6777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6775] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6775] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6775] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6778] <... prctl resumed>) = 0 [pid 6777] <... openat resumed>) = 3 [pid 6775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6778 [pid 6776] <... memfd_create resumed>) = 3 [pid 6775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6779] set_robust_list(0x55557a9486a0, 24 [pid 6778] setpgid(0, 0 [pid 6777] write(3, "1000", 4 [pid 6776] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6775] <... mmap resumed>) = 0x7fee5fb34000 [pid 6779] <... set_robust_list resumed>) = 0 [pid 6778] <... setpgid resumed>) = 0 [pid 6777] <... write resumed>) = 4 [pid 6775] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6779 [pid 6779] chdir("./63" [pid 6778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6777] close(3 [pid 6776] <... mmap resumed>) = 0x7fee57600000 [pid 6775] <... mprotect resumed>) = 0 [pid 6778] <... openat resumed>) = 3 [pid 6777] <... close resumed>) = 0 [pid 6777] symlink("/dev/binderfs", "./binderfs" [pid 6778] write(3, "1000", 4 [pid 6777] <... symlink resumed>) = 0 [pid 6775] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6778] <... write resumed>) = 4 [pid 6778] close(3 [pid 6777] write(1, "executing program\n", 18 [pid 6775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6778] <... close resumed>) = 0 executing program ./strace-static-x86_64: Process 6780 attached [pid 6778] symlink("/dev/binderfs", "./binderfs" [pid 6777] <... write resumed>) = 18 [pid 6780] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6779] <... chdir resumed>) = 0 [pid 6778] <... symlink resumed>) = 0 [pid 6776] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6775] <... clone3 resumed> => {parent_tid=[6780]}, 88) = 6780 [pid 6780] <... rseq resumed>) = 0 [pid 6779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6777] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] rt_sigprocmask(SIG_SETMASK, [], [pid 6776] <... write resumed>) = 131072 [pid 6780] set_robust_list(0x7fee5fb549a0, 24 [pid 6779] <... prctl resumed>) = 0 [pid 6778] write(1, "executing program\n", 18 [pid 6777] <... futex resumed>) = 0 executing program [pid 6775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6780] <... set_robust_list resumed>) = 0 [pid 6779] setpgid(0, 0 [pid 6778] <... write resumed>) = 18 [pid 6777] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6776] munmap(0x7fee57600000, 138412032 [pid 6775] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] rt_sigprocmask(SIG_SETMASK, [], [pid 6779] <... setpgid resumed>) = 0 [pid 6778] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6775] <... futex resumed>) = 0 [pid 6780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6778] <... futex resumed>) = 0 [pid 6777] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6775] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6780] memfd_create("syzkaller", 0 [pid 6779] <... openat resumed>) = 3 [pid 6778] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6780] <... memfd_create resumed>) = 3 [pid 6779] write(3, "1000", 4 [pid 6778] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6776] <... munmap resumed>) = 0 [pid 6780] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6778] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6777] <... mmap resumed>) = 0x7fee5fb34000 [pid 6778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6777] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6777] <... mprotect resumed>) = 0 [pid 6778] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6780] <... mmap resumed>) = 0x7fee57600000 [pid 6779] <... write resumed>) = 4 [pid 6777] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6776] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6780] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6779] close(3 [pid 6776] <... openat resumed>) = 4 [pid 6780] <... write resumed>) = 131072 [pid 6779] <... close resumed>) = 0 [pid 6776] ioctl(4, LOOP_SET_FD, 3executing program [pid 6778] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6777] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6779] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6780] munmap(0x7fee57600000, 138412032 [pid 6779] write(1, "executing program\n", 18./strace-static-x86_64: Process 6781 attached [pid 6780] <... munmap resumed>) = 0 [pid 6779] <... write resumed>) = 18 [pid 6778] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6781] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6777] <... clone3 resumed> => {parent_tid=[6781]}, 88) = 6781 [pid 6779] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6782 attached [pid 6781] <... rseq resumed>) = 0 [pid 6779] <... futex resumed>) = 0 [pid 6777] rt_sigprocmask(SIG_SETMASK, [], [pid 6781] set_robust_list(0x7fee5fb549a0, 24 [pid 6779] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6781] <... set_robust_list resumed>) = 0 [pid 6778] <... clone3 resumed> => {parent_tid=[6782]}, 88) = 6782 [pid 6777] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] rt_sigprocmask(SIG_SETMASK, [], [pid 6778] rt_sigprocmask(SIG_SETMASK, [], [pid 6777] <... futex resumed>) = 0 [pid 6781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6777] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6782] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6780] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6779] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6782] <... rseq resumed>) = 0 [pid 6781] memfd_create("syzkaller", 0 [pid 6780] <... openat resumed>) = 4 [pid 6779] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6776] <... ioctl resumed>) = 0 [pid 6782] set_robust_list(0x7fee5fb549a0, 24 [pid 6780] ioctl(4, LOOP_SET_FD, 3 [pid 6779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6781] <... memfd_create resumed>) = 3 [pid 6779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6778] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] <... set_robust_list resumed>) = 0 [pid 6779] <... mmap resumed>) = 0x7fee5fb34000 [pid 6778] <... futex resumed>) = 0 [pid 6776] close(3 [pid 6778] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6781] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6782] rt_sigprocmask(SIG_SETMASK, [], [pid 6781] <... mmap resumed>) = 0x7fee57600000 [pid 6776] <... close resumed>) = 0 [pid 6782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6779] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6776] close(4 [pid 6782] memfd_create("syzkaller", 0 [pid 6779] <... mprotect resumed>) = 0 [pid 6776] <... close resumed>) = 0 [pid 6781] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6782] <... memfd_create resumed>) = 3 [pid 6779] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6776] mkdir("./bus", 0777 [pid 6782] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6779] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6776] <... mkdir resumed>) = 0 [pid 6782] <... mmap resumed>) = 0x7fee57600000 [pid 6779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6776] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"..../strace-static-x86_64: Process 6783 attached [pid 6782] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6776] <... mount resumed>) = 0 [pid 6779] <... clone3 resumed> => {parent_tid=[6783]}, 88) = 6783 [pid 6776] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6779] rt_sigprocmask(SIG_SETMASK, [], [pid 6776] <... openat resumed>) = 3 [pid 6781] <... write resumed>) = 131072 [pid 6779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6776] chdir("./bus" [pid 6779] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6776] <... chdir resumed>) = 0 [pid 6779] <... futex resumed>) = 0 [pid 6776] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6779] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6776] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6782] <... write resumed>) = 131072 [pid 6781] munmap(0x7fee57600000, 138412032 [pid 6776] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6776] <... futex resumed>) = 1 [pid 6783] <... rseq resumed>) = 0 [pid 6782] munmap(0x7fee57600000, 138412032 [pid 6781] <... munmap resumed>) = 0 [pid 6776] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6774] <... futex resumed>) = 0 [pid 6783] set_robust_list(0x7fee5fb549a0, 24 [pid 6782] <... munmap resumed>) = 0 [pid 6780] <... ioctl resumed>) = 0 [pid 6774] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] <... set_robust_list resumed>) = 0 [pid 6780] close(3 [pid 6776] <... futex resumed>) = 0 [pid 6774] <... futex resumed>) = 1 [pid 6783] rt_sigprocmask(SIG_SETMASK, [], [pid 6782] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6780] <... close resumed>) = 0 [pid 6776] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6783] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6782] <... openat resumed>) = 4 [pid 6780] close(4 [pid 6776] <... openat resumed>) = 4 [pid 6783] memfd_create("syzkaller", 0 [pid 6780] <... close resumed>) = 0 [pid 6776] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] <... memfd_create resumed>) = 3 [pid 6782] ioctl(4, LOOP_SET_FD, 3 [pid 6780] mkdir("./bus", 0777 [pid 6776] <... futex resumed>) = 0 [pid 6783] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6781] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6780] <... mkdir resumed>) = 0 [pid 6776] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6774] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6783] <... mmap resumed>) = 0x7fee57600000 [pid 6783] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6781] <... openat resumed>) = 4 [pid 6774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 106.459569][ T6776] loop0: detected capacity change from 0 to 256 [ 106.478697][ T6780] loop2: detected capacity change from 0 to 256 [pid 6781] ioctl(4, LOOP_SET_FD, 3 [pid 6774] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6783] <... write resumed>) = 131072 [pid 6774] <... futex resumed>) = 1 [pid 6783] munmap(0x7fee57600000, 138412032 [pid 6781] <... ioctl resumed>) = 0 [pid 6780] <... mount resumed>) = 0 [pid 6776] <... futex resumed>) = 0 [pid 6774] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6780] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6776] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6783] <... munmap resumed>) = 0 [pid 6781] close(3 [pid 6780] <... openat resumed>) = 3 [pid 6776] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6781] <... close resumed>) = 0 [pid 6780] chdir("./bus" [pid 6776] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] <... openat resumed>) = 4 [pid 6781] close(4 [pid 6780] <... chdir resumed>) = 0 [pid 6776] <... futex resumed>) = 1 [pid 6774] <... futex resumed>) = 0 [pid 6783] ioctl(4, LOOP_SET_FD, 3 [pid 6781] <... close resumed>) = 0 [pid 6780] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6776] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6781] mkdir("./bus", 0777 [pid 6780] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6774] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] <... mkdir resumed>) = 0 [pid 6780] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] <... futex resumed>) = 0 [pid 6781] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6774] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6780] <... futex resumed>) = 1 [pid 6776] dup(4 [pid 6775] <... futex resumed>) = 0 [pid 6780] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6776] <... dup resumed>) = 5 [pid 6775] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6776] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] <... futex resumed>) = 0 [pid 6780] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6776] <... futex resumed>) = 1 [pid 6780] <... openat resumed>) = 4 [pid 6776] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6775] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6780] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6780] <... futex resumed>) = 0 [pid 6775] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6775] <... futex resumed>) = 0 [pid 6782] <... ioctl resumed>) = 0 [pid 6780] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] close(3 [pid 6775] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6782] <... close resumed>) = 0 [pid 6780] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] close(4 [pid 6780] <... futex resumed>) = 0 [pid 6775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6782] <... close resumed>) = 0 [pid 6780] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6782] mkdir("./bus", 0777 [pid 6780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6775] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] dup(4 [pid 6774] <... futex resumed>) = 0 [pid 6780] <... dup resumed>) = 5 [pid 6775] <... futex resumed>) = 0 [pid 6774] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] <... mount resumed>) = 0 [pid 6780] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6776] <... futex resumed>) = 0 [pid 6775] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6774] <... futex resumed>) = 1 [pid 6781] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6780] <... futex resumed>) = 0 [pid 6776] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6774] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6783] <... ioctl resumed>) = 0 [pid 6782] <... mkdir resumed>) = 0 [pid 6781] <... openat resumed>) = 3 [pid 6780] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6775] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] close(3 [pid 6782] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6775] <... futex resumed>) = 0 [pid 6783] <... close resumed>) = 0 [pid 6781] chdir("./bus" [pid 6780] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6781] <... chdir resumed>) = 0 [pid 6783] close(4 [pid 6781] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6775] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6783] <... close resumed>) = 0 [pid 6783] mkdir("./bus", 0777 [pid 6781] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6783] <... mkdir resumed>) = 0 [pid 6781] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6777] <... futex resumed>) = 0 [pid 6781] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6777] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6777] <... futex resumed>) = 0 [pid 6781] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6777] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6783] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6781] <... openat resumed>) = 4 [pid 6782] <... mount resumed>) = 0 [pid 6781] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] <... mount resumed>) = 0 [ 106.510205][ T6782] loop1: detected capacity change from 0 to 256 [ 106.522442][ T6781] loop4: detected capacity change from 0 to 256 [ 106.536162][ T6783] loop3: detected capacity change from 0 to 256 [pid 6782] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6781] <... futex resumed>) = 1 [pid 6777] <... futex resumed>) = 0 [pid 6783] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6782] <... openat resumed>) = 3 [pid 6777] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] <... openat resumed>) = 3 [pid 6782] chdir("./bus" [pid 6777] <... futex resumed>) = 0 [pid 6783] chdir("./bus" [pid 6782] <... chdir resumed>) = 0 [pid 6781] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6777] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6783] <... chdir resumed>) = 0 [pid 6782] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6783] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6782] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6783] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] <... futex resumed>) = 1 [pid 6782] <... futex resumed>) = 1 [pid 6783] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6782] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] <... futex resumed>) = 0 [pid 6779] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] <... futex resumed>) = 0 [pid 6779] <... futex resumed>) = 1 [pid 6783] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6779] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6783] <... openat resumed>) = 4 [pid 6781] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] <... futex resumed>) = 0 [pid 6778] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] <... futex resumed>) = 1 [pid 6778] <... futex resumed>) = 1 [pid 6777] <... futex resumed>) = 0 [pid 6782] <... futex resumed>) = 0 [pid 6778] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6777] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] dup(4 [pid 6782] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6777] <... futex resumed>) = 0 [pid 6783] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] <... openat resumed>) = 4 [pid 6781] <... dup resumed>) = 5 [pid 6783] <... futex resumed>) = 1 [pid 6782] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] <... futex resumed>) = 0 [pid 6777] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6783] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6782] <... futex resumed>) = 1 [pid 6781] <... futex resumed>) = 0 [pid 6779] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] <... futex resumed>) = 0 [pid 6777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6782] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6781] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] <... futex resumed>) = 0 [pid 6778] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6778] <... futex resumed>) = 0 [pid 6777] <... futex resumed>) = 0 [pid 6783] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6779] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6778] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6777] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6783] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6781] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6783] <... futex resumed>) = 0 [pid 6782] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6779] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] dup(4 [pid 6782] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] <... futex resumed>) = 0 [pid 6783] <... dup resumed>) = 5 [pid 6783] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] <... futex resumed>) = 1 [pid 6779] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6778] <... futex resumed>) = 0 [pid 6774] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6783] <... futex resumed>) = 0 [pid 6782] dup(4 [pid 6779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6778] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6782] <... dup resumed>) = 5 [pid 6779] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] <... futex resumed>) = 0 [pid 6774] <... futex resumed>) = 0 [pid 6783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6782] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] <... futex resumed>) = 0 [pid 6778] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6783] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6779] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6778] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] <... mmap resumed>) = 0x7fee5fb13000 [pid 6782] <... futex resumed>) = 0 [pid 6778] <... futex resumed>) = 0 [pid 6774] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6782] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6778] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6774] <... mprotect resumed>) = 0 [pid 6774] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6775] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6775] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6775] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6775] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6784 attached => {parent_tid=[6784]}, 88) = 6784 [pid 6775] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6775] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6775] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6774] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6784] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6784] <... rseq resumed>) = 0 [pid 6784] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6784] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6784] madvise(0x20000000, 6291456, MADV_DONTNEED./strace-static-x86_64: Process 6785 attached [pid 6785] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6774] <... clone3 resumed> => {parent_tid=[6785]}, 88) = 6785 [pid 6784] <... madvise resumed>) = 0 [pid 6774] rt_sigprocmask(SIG_SETMASK, [], [pid 6785] <... rseq resumed>) = 0 [pid 6774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6785] set_robust_list(0x7fee5fb339a0, 24 [pid 6784] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6774] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6785] <... set_robust_list resumed>) = 0 [pid 6777] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6785] rt_sigprocmask(SIG_SETMASK, [], [pid 6777] <... futex resumed>) = 0 [pid 6774] <... futex resumed>) = 0 [pid 6785] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6774] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6785] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6784] <... futex resumed>) = 1 [pid 6779] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6778] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6777] <... mmap resumed>) = 0x7fee5fb13000 [pid 6775] <... futex resumed>) = 0 [pid 6779] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] <... futex resumed>) = 0 [pid 6778] <... futex resumed>) = 0 [pid 6779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6779] <... mmap resumed>) = 0x7fee5fb13000 [pid 6778] <... mmap resumed>) = 0x7fee5fb13000 [pid 6779] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6778] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6779] <... mprotect resumed>) = 0 [pid 6778] <... mprotect resumed>) = 0 [pid 6777] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6779] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6778] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6778] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6786 attached [pid 6778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6787 attached [pid 6786] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6779] <... clone3 resumed> => {parent_tid=[6786]}, 88) = 6786 [pid 6786] <... rseq resumed>) = 0 [pid 6779] rt_sigprocmask(SIG_SETMASK, [], [pid 6778] <... clone3 resumed> => {parent_tid=[6787]}, 88) = 6787 [pid 6786] set_robust_list(0x7fee5fb339a0, 24 [pid 6779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6778] rt_sigprocmask(SIG_SETMASK, [], [pid 6786] <... set_robust_list resumed>) = 0 [pid 6779] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6786] rt_sigprocmask(SIG_SETMASK, [], [pid 6779] <... futex resumed>) = 0 [pid 6778] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6779] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6778] <... futex resumed>) = 0 [pid 6787] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6786] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6778] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6787] <... rseq resumed>) = 0 [pid 6786] <... madvise resumed>) = 0 [pid 6787] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6787] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6787] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6785] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] <... mprotect resumed>) = 0 [pid 6777] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6785] <... futex resumed>) = 1 [pid 6785] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6777] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6786] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6774] <... futex resumed>) = 0 [pid 6786] <... futex resumed>) = 1 [pid 6779] <... futex resumed>) = 0 [pid 6786] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6788 attached [pid 6777] <... clone3 resumed> => {parent_tid=[6788]}, 88) = 6788 [pid 6788] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6777] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6788] <... rseq resumed>) = 0 [pid 6787] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] set_robust_list(0x7fee5fb339a0, 24 [pid 6787] <... futex resumed>) = 1 [pid 6778] <... futex resumed>) = 0 [pid 6788] <... set_robust_list resumed>) = 0 [pid 6787] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6777] <... futex resumed>) = 0 [pid 6788] rt_sigprocmask(SIG_SETMASK, [], [pid 6777] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6788] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6788] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6777] <... futex resumed>) = 0 [pid 6788] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6780] <... mmap resumed>) = 0x20000000 [pid 6776] <... mmap resumed>) = 0x20000000 [pid 6782] <... mmap resumed>) = 0x20000000 [pid 6780] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6776] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] exit_group(0 [pid 6781] <... mmap resumed>) = 0x20000000 [pid 6780] <... futex resumed>) = 0 [pid 6775] exit_group(0 [pid 6774] <... exit_group resumed>) = ? [pid 6785] <... futex resumed>) = ? [pid 6785] +++ exited with 0 +++ [pid 6784] <... futex resumed>) = ? [pid 6783] <... mmap resumed>) = 0x20000000 [pid 6782] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] exit_group(0 [pid 6776] <... futex resumed>) = ? [pid 6775] <... exit_group resumed>) = ? [pid 6788] <... futex resumed>) = ? [pid 6784] +++ exited with 0 +++ [pid 6783] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] <... futex resumed>) = 0 [pid 6781] <... futex resumed>) = ? [pid 6780] +++ exited with 0 +++ [pid 6779] exit_group(0 [pid 6778] exit_group(0 [pid 6777] <... exit_group resumed>) = ? [pid 6788] +++ exited with 0 +++ [pid 6787] <... futex resumed>) = ? [pid 6786] <... futex resumed>) = ? [pid 6783] <... futex resumed>) = ? [pid 6781] +++ exited with 0 +++ [pid 6779] <... exit_group resumed>) = ? [pid 6778] <... exit_group resumed>) = ? [pid 6777] +++ exited with 0 +++ [pid 6776] +++ exited with 0 +++ [pid 6775] +++ exited with 0 +++ [pid 6774] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6777, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6787] +++ exited with 0 +++ [pid 5840] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./63/binderfs") = 0 [pid 5840] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6786] +++ exited with 0 +++ [pid 6783] +++ exited with 0 +++ [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6774, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5836] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6782] +++ exited with 0 +++ [pid 6778] +++ exited with 0 +++ [pid 5840] <... umount2 resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6775, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6778, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5836] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] newfstatat(AT_FDCWD, "./63/bus", [pid 5838] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... openat resumed>) = 3 [pid 5840] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] newfstatat(3, "", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./63/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... openat resumed>) = 3 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... openat resumed>) = 4 [pid 5838] newfstatat(3, "", [pid 5837] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] newfstatat(4, "", [pid 5838] getdents64(3, [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(4, [pid 5838] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... openat resumed>) = 3 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(3, "", [pid 5836] newfstatat(AT_FDCWD, "./63/binderfs", [pid 5840] getdents64(4, [pid 5838] newfstatat(AT_FDCWD, "./64/binderfs", [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] close(4 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] getdents64(3, [pid 5836] unlink("./63/binderfs" [pid 5840] <... close resumed>) = 0 [pid 5838] unlink("./64/binderfs" [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] rmdir("./63/bus" [pid 5838] <... unlink resumed>) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5837] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./63/binderfs", [pid 5840] getdents64(3, [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... umount2 resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] close(3 [pid 5837] unlink("./63/binderfs" [pid 5840] <... close resumed>) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 5840] rmdir("./63" [pid 5836] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... rmdir resumed>) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] mkdir("./64", 0777 [pid 5838] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./63/bus", [pid 5838] newfstatat(AT_FDCWD, "./64/bus", [pid 5837] newfstatat(AT_FDCWD, "./63/bus", [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./63/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] openat(AT_FDCWD, "./63/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... openat resumed>) = 4 [pid 5837] <... openat resumed>) = 4 [pid 5836] newfstatat(4, "", [pid 6779] +++ exited with 0 +++ [pid 5840] <... mkdir resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(4, "", [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6779, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5838] openat(AT_FDCWD, "./64/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5838] <... openat resumed>) = 4 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(4, [pid 5840] <... openat resumed>) = 3 [pid 5838] newfstatat(4, "", [pid 5837] getdents64(4, [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] close(3 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] getdents64(4, [pid 5840] <... close resumed>) = 0 [pid 5839] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] getdents64(4, [pid 5839] <... openat resumed>) = 3 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] close(4 [pid 5839] newfstatat(3, "", [pid 5837] close(4 [pid 5836] <... close resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] rmdir("./63/bus" [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] getdents64(3, [pid 5837] rmdir("./63/bus" [pid 5836] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6789 attached [pid 5838] getdents64(4, [pid 6789] set_robust_list(0x55557a9486a0, 24 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 6789] <... set_robust_list resumed>) = 0 [pid 5838] close(4 [pid 6789] chdir("./64" [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6789 [pid 5839] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... close resumed>) = 0 [pid 5837] getdents64(3, [pid 5836] getdents64(3, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] rmdir("./64/bus" [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] newfstatat(AT_FDCWD, "./63/binderfs", [pid 5837] close(3 [pid 5836] close(3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5839] unlink("./63/binderfs" [pid 5837] rmdir("./63" [pid 5836] rmdir("./63" [pid 6789] <... chdir resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 6789] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] getdents64(3, [pid 6789] <... prctl resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6789] setpgid(0, 0 [pid 5838] close(3 [pid 6789] <... setpgid resumed>) = 0 [pid 5839] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... close resumed>) = 0 [pid 6789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] rmdir("./64" [pid 5837] mkdir("./64", 0777 [pid 5836] mkdir("./64", 0777 [pid 6789] <... openat resumed>) = 3 [pid 5839] <... umount2 resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5838] mkdir("./65", 0777) = 0 [pid 5839] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6789] write(3, "1000", 4 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6789] <... write resumed>) = 4 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] <... openat resumed>) = 3 [pid 6789] close(3 [pid 5839] newfstatat(AT_FDCWD, "./63/bus", [pid 6789] <... close resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6789] symlink("/dev/binderfs", "./binderfs" [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5839] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6789] <... symlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... ioctl resumed>) = 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5836] <... openat resumed>) = 3 [pid 5837] <... ioctl resumed>) = 0 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5837] close(3executing program [pid 5836] <... ioctl resumed>) = 0 [pid 6789] write(1, "executing program\n", 18 [pid 5839] openat(AT_FDCWD, "./63/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] close(3 [pid 5837] <... close resumed>) = 0 [pid 5836] close(3 [pid 6789] <... write resumed>) = 18 [pid 6789] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... openat resumed>) = 4 [pid 5838] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6791 attached , child_tidptr=0x55557a948690) = 6791 [pid 6789] <... futex resumed>) = 0 [pid 5839] newfstatat(4, "", [pid 6791] set_robust_list(0x55557a9486a0, 24) = 0 [pid 6791] chdir("./64" [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6790 [pid 6791] <... chdir resumed>) = 0 [pid 6791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6791] setpgid(0, 0) = 0 [pid 6791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6791] write(3, "1000", 4./strace-static-x86_64: Process 6790 attached [pid 6789] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6790] set_robust_list(0x55557a9486a0, 24 [pid 6789] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5839] getdents64(4, ./strace-static-x86_64: Process 6792 attached [pid 6791] <... write resumed>) = 4 [pid 6790] <... set_robust_list resumed>) = 0 [pid 6789] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6792] set_robust_list(0x55557a9486a0, 24 [pid 6791] close(3 [pid 6790] chdir("./64" [pid 6789] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] getdents64(4, [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6792 [pid 6792] <... set_robust_list resumed>) = 0 [pid 6791] <... close resumed>) = 0 [pid 6790] <... chdir resumed>) = 0 [pid 6789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6792] chdir("./65" [pid 6790] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6789] <... mmap resumed>) = 0x7fee5fb34000 [pid 5839] close(4 [pid 6789] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6791] symlink("/dev/binderfs", "./binderfs" [pid 6789] <... mprotect resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 6791] <... symlink resumed>) = 0 [pid 6791] write(1, "executing program\n", 18executing program [pid 6792] <... chdir resumed>) = 0 [pid 6791] <... write resumed>) = 18 [pid 6790] <... prctl resumed>) = 0 [pid 6789] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5839] rmdir("./63/bus" [pid 6792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6791] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] setpgid(0, 0 [pid 6789] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6792] <... prctl resumed>) = 0 [pid 6791] <... futex resumed>) = 0 [pid 6790] <... setpgid resumed>) = 0 [pid 6789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5839] <... rmdir resumed>) = 0 [pid 6792] setpgid(0, 0 [pid 6791] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6793 attached [pid 6792] <... setpgid resumed>) = 0 [pid 6791] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6790] <... openat resumed>) = 3 [pid 5839] getdents64(3, [pid 6793] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6790] write(3, "1000", 4 [pid 6789] <... clone3 resumed> => {parent_tid=[6793]}, 88) = 6793 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6793] <... rseq resumed>) = 0 [pid 6792] <... openat resumed>) = 3 [pid 6791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6790] <... write resumed>) = 4 [pid 6789] rt_sigprocmask(SIG_SETMASK, [], [pid 6793] set_robust_list(0x7fee5fb549a0, 24 [pid 6792] write(3, "1000", 4 [pid 6791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6790] close(3 [pid 6789] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] close(3 [pid 6793] <... set_robust_list resumed>) = 0 [pid 6792] <... write resumed>) = 4 [pid 6790] <... close resumed>) = 0 [pid 6789] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] rt_sigprocmask(SIG_SETMASK, [], [pid 6792] close(3 [pid 6790] symlink("/dev/binderfs", "./binderfs" [pid 6789] <... futex resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 6793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6792] <... close resumed>) = 0 [pid 6791] <... mmap resumed>) = 0x7fee5fb34000 [pid 6791] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6791] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6792] symlink("/dev/binderfs", "./binderfs" [pid 6791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6789] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5839] rmdir("./63"./strace-static-x86_64: Process 6794 attached [pid 6793] memfd_create("syzkaller", 0 [pid 6792] <... symlink resumed>) = 0 [pid 6794] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6791] <... clone3 resumed> => {parent_tid=[6794]}, 88) = 6794 [pid 6790] <... symlink resumed>) = 0 executing program executing program [pid 6794] <... rseq resumed>) = 0 [pid 6792] write(1, "executing program\n", 18 [pid 6793] <... memfd_create resumed>) = 3 [pid 6791] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] <... rmdir resumed>) = 0 [pid 6794] set_robust_list(0x7fee5fb549a0, 24 [pid 6793] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6792] <... write resumed>) = 18 [pid 6790] write(1, "executing program\n", 18 [pid 5839] mkdir("./64", 0777 [pid 6793] <... mmap resumed>) = 0x7fee57600000 [pid 6790] <... write resumed>) = 18 [pid 6792] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] <... set_robust_list resumed>) = 0 [pid 6794] rt_sigprocmask(SIG_SETMASK, [], [pid 6791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6793] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6792] <... futex resumed>) = 0 [pid 6791] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] memfd_create("syzkaller", 0 [pid 6791] <... futex resumed>) = 0 [pid 6790] <... futex resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 6794] <... memfd_create resumed>) = 3 [pid 6793] <... write resumed>) = 131072 [pid 6792] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6791] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6790] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6794] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6793] munmap(0x7fee57600000, 138412032 [pid 6792] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6790] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6794] <... mmap resumed>) = 0x7fee57600000 [pid 6793] <... munmap resumed>) = 0 [pid 6792] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6790] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5839] <... openat resumed>) = 3 [pid 6792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6794] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6793] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 6794] <... write resumed>) = 131072 [pid 6793] <... openat resumed>) = 4 [pid 6792] <... mmap resumed>) = 0x7fee5fb34000 [pid 6790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5839] <... ioctl resumed>) = 0 [pid 6794] munmap(0x7fee57600000, 138412032 [pid 6793] ioctl(4, LOOP_SET_FD, 3 [pid 6792] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6790] <... mmap resumed>) = 0x7fee5fb34000 [pid 5839] close(3 [pid 6794] <... munmap resumed>) = 0 [pid 6792] <... mprotect resumed>) = 0 [pid 6790] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5839] <... close resumed>) = 0 [pid 6792] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6790] <... mprotect resumed>) = 0 [pid 6792] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6795 attached [pid 6790] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6792] <... clone3 resumed> => {parent_tid=[6795]}, 88) = 6795 [pid 6795] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6792] rt_sigprocmask(SIG_SETMASK, [], [pid 6795] <... rseq resumed>) = 0 [pid 6792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6790] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6795] set_robust_list(0x7fee5fb549a0, 24 [pid 6792] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6794] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6792] <... futex resumed>) = 0 [pid 6792] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6795] <... set_robust_list resumed>) = 0 [pid 6795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6796 attached ./strace-static-x86_64: Process 6797 attached [pid 6795] memfd_create("syzkaller", 0 [pid 6794] <... openat resumed>) = 4 [pid 6793] <... ioctl resumed>) = 0 [pid 6790] <... clone3 resumed> => {parent_tid=[6796]}, 88) = 6796 [pid 6795] <... memfd_create resumed>) = 3 [pid 6790] rt_sigprocmask(SIG_SETMASK, [], [pid 6795] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6797 [pid 6796] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6795] <... mmap resumed>) = 0x7fee57600000 [pid 6793] close(3 [pid 6790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6794] ioctl(4, LOOP_SET_FD, 3 [pid 6793] <... close resumed>) = 0 [pid 6790] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6797] set_robust_list(0x55557a9486a0, 24 [pid 6796] <... rseq resumed>) = 0 [pid 6795] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6793] close(4 [pid 6790] <... futex resumed>) = 0 [pid 6797] <... set_robust_list resumed>) = 0 [pid 6796] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6797] chdir("./64" [pid 6796] rt_sigprocmask(SIG_SETMASK, [], [pid 6793] <... close resumed>) = 0 [pid 6790] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6793] mkdir("./bus", 0777 [pid 6797] <... chdir resumed>) = 0 [pid 6796] memfd_create("syzkaller", 0 [pid 6793] <... mkdir resumed>) = 0 [pid 6797] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6796] <... memfd_create resumed>) = 3 [pid 6795] <... write resumed>) = 131072 [pid 6797] <... prctl resumed>) = 0 [pid 6796] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6797] setpgid(0, 0 [pid 6793] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6797] <... setpgid resumed>) = 0 [pid 6796] <... mmap resumed>) = 0x7fee57600000 [pid 6796] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6795] munmap(0x7fee57600000, 138412032 [pid 6794] <... ioctl resumed>) = 0 [pid 6797] <... openat resumed>) = 3 [pid 6795] <... munmap resumed>) = 0 [pid 6794] close(3 [pid 6797] write(3, "1000", 4 [pid 6793] <... mount resumed>) = 0 [pid 6797] <... write resumed>) = 4 [pid 6797] close(3 [pid 6795] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6794] <... close resumed>) = 0 [pid 6793] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6797] <... close resumed>) = 0 [pid 6796] <... write resumed>) = 131072 [pid 6795] <... openat resumed>) = 4 [pid 6793] <... openat resumed>) = 3 [pid 6797] symlink("/dev/binderfs", "./binderfs" [pid 6794] close(4 [pid 6795] ioctl(4, LOOP_SET_FD, 3 [pid 6794] <... close resumed>) = 0 [ 107.007465][ T6793] loop4: detected capacity change from 0 to 256 [ 107.031096][ T6794] loop0: detected capacity change from 0 to 256 [pid 6797] <... symlink resumed>) = 0 [pid 6794] mkdir("./bus", 0777 [pid 6793] chdir("./bus" [pid 6797] write(1, "executing program\n", 18) = 18 [pid 6796] munmap(0x7fee57600000, 138412032 [pid 6797] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6796] <... munmap resumed>) = 0 [pid 6794] <... mkdir resumed>) = 0 [pid 6797] <... futex resumed>) = 0 [pid 6796] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6797] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6796] <... openat resumed>) = 4 [pid 6797] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6796] ioctl(4, LOOP_SET_FD, 3executing program [pid 6797] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6796] <... ioctl resumed>) = 0 [pid 6793] <... chdir resumed>) = 0 [pid 6797] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6794] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6797] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6793] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6797] <... mprotect resumed>) = 0 [pid 6793] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6797] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6793] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6793] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6789] <... futex resumed>) = 0 [pid 6789] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] <... futex resumed>) = 0 [pid 6789] <... futex resumed>) = 1 [pid 6793] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME) = 4 [pid 6793] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6797] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6793] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6789] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6797] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6789] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6798 attached [pid 6793] <... futex resumed>) = 0 [pid 6789] <... futex resumed>) = 1 [pid 6797] <... clone3 resumed> => {parent_tid=[6798]}, 88) = 6798 [pid 6793] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6789] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6798] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6794] <... mount resumed>) = 0 [pid 6798] <... rseq resumed>) = 0 [pid 6794] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6798] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6797] rt_sigprocmask(SIG_SETMASK, [], [pid 6794] <... openat resumed>) = 3 [pid 6793] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] rt_sigprocmask(SIG_SETMASK, [], [pid 6797] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6794] chdir("./bus" [pid 6793] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6797] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] <... chdir resumed>) = 0 [pid 6793] <... futex resumed>) = 1 [pid 6789] <... futex resumed>) = 0 [pid 6797] <... futex resumed>) = 0 [pid 6795] <... ioctl resumed>) = 0 [pid 6794] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6793] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6798] memfd_create("syzkaller", 0 [pid 6797] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6795] close(3 [pid 6793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6789] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... close resumed>) = 0 [pid 6794] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6793] dup(4 [pid 6789] <... futex resumed>) = 0 [pid 6796] close(3 [pid 6795] close(4 [pid 6793] <... dup resumed>) = 5 [pid 6789] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6796] <... close resumed>) = 0 [pid 6795] <... close resumed>) = 0 [pid 6794] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6798] <... memfd_create resumed>) = 3 [pid 6796] close(4 [pid 6795] mkdir("./bus", 0777 [pid 6794] <... futex resumed>) = 1 [pid 6793] <... futex resumed>) = 0 [pid 6791] <... futex resumed>) = 0 [pid 6789] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6796] <... close resumed>) = 0 [pid 6795] <... mkdir resumed>) = 0 [pid 6794] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6793] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6791] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6789] <... futex resumed>) = 0 [pid 6798] <... mmap resumed>) = 0x7fee57600000 [pid 6796] mkdir("./bus", 0777 [pid 6795] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6789] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6796] <... mkdir resumed>) = 0 [pid 6796] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6794] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME) = 4 [pid 6798] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6796] <... mount resumed>) = 0 [pid 6795] <... mount resumed>) = 0 [pid 6794] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] <... futex resumed>) = 0 [pid 6796] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6795] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6796] <... openat resumed>) = 3 [pid 6795] <... openat resumed>) = 3 [pid 6796] chdir("./bus" [pid 6795] chdir("./bus" [pid 6796] <... chdir resumed>) = 0 [pid 6795] <... chdir resumed>) = 0 [pid 6798] <... write resumed>) = 131072 [pid 6796] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6794] <... futex resumed>) = 0 [pid 6791] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6798] munmap(0x7fee57600000, 138412032 [pid 6794] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6798] <... munmap resumed>) = 0 [pid 6794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6791] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6796] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6795] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6794] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6791] <... futex resumed>) = 0 [pid 6798] <... openat resumed>) = 4 [pid 6796] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6794] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6791] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6795] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6796] <... futex resumed>) = 1 [ 107.051761][ T6795] loop2: detected capacity change from 0 to 256 [ 107.062855][ T6796] loop1: detected capacity change from 0 to 256 [pid 6795] <... futex resumed>) = 1 [pid 6794] <... futex resumed>) = 0 [pid 6792] <... futex resumed>) = 0 [pid 6791] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] <... futex resumed>) = 0 [pid 6798] ioctl(4, LOOP_SET_FD, 3 [pid 6796] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] dup(4 [pid 6791] <... futex resumed>) = 0 [pid 6794] <... dup resumed>) = 5 [pid 6791] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6794] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6791] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] <... futex resumed>) = 0 [pid 6796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6795] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6792] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... openat resumed>) = 4 [pid 6794] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6792] <... futex resumed>) = 0 [pid 6791] <... futex resumed>) = 0 [pid 6790] <... futex resumed>) = 0 [pid 6792] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6790] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6796] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6795] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6796] <... openat resumed>) = 4 [pid 6795] <... futex resumed>) = 1 [pid 6792] <... futex resumed>) = 0 [pid 6796] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6792] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6796] <... futex resumed>) = 1 [pid 6795] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... futex resumed>) = 0 [pid 6790] <... futex resumed>) = 0 [pid 6795] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6792] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6790] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... futex resumed>) = 0 [pid 6792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6790] <... futex resumed>) = 0 [pid 6795] dup(4 [pid 6792] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6795] <... dup resumed>) = 5 [pid 6792] <... futex resumed>) = 0 [pid 6795] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6792] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6795] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6792] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... futex resumed>) = 0 [pid 6792] <... futex resumed>) = 1 [pid 6796] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6795] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6792] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6796] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6791] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6796] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6790] <... futex resumed>) = 0 [pid 6790] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6796] dup(4 [pid 6790] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6796] <... dup resumed>) = 5 [pid 6796] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6790] <... futex resumed>) = 0 [pid 6790] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6796] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6790] <... futex resumed>) = 0 [pid 6790] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6789] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6798] <... ioctl resumed>) = 0 [pid 6789] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6798] close(3) = 0 [pid 6789] <... mmap resumed>) = 0x7fee5fb13000 [pid 6789] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6798] close(4) = 0 [pid 6789] <... mprotect resumed>) = 0 [pid 6789] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} => {parent_tid=[6799]}, 88) = 6799 ./strace-static-x86_64: Process 6799 attached [pid 6789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6799] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6798] mkdir("./bus", 0777 [pid 6789] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] <... rseq resumed>) = 0 [pid 6789] <... futex resumed>) = 0 [pid 6799] set_robust_list(0x7fee5fb339a0, 24 [pid 6789] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6799] <... set_robust_list resumed>) = 0 [pid 6798] <... mkdir resumed>) = 0 [pid 6799] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6799] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6798] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6799] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6789] <... futex resumed>) = 0 [pid 6799] <... futex resumed>) = 1 [pid 6799] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6798] <... mount resumed>) = 0 [pid 6798] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6792] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6792] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6798] <... openat resumed>) = 3 [pid 6792] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6798] chdir("./bus" [pid 6792] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6800 attached [pid 6800] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6798] <... chdir resumed>) = 0 [pid 6792] <... clone3 resumed> => {parent_tid=[6800]}, 88) = 6800 [pid 6791] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 107.132354][ T6798] loop3: detected capacity change from 0 to 256 [pid 6798] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6791] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] <... rseq resumed>) = 0 [pid 6798] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6792] rt_sigprocmask(SIG_SETMASK, [], [pid 6791] <... futex resumed>) = 0 [pid 6790] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6800] set_robust_list(0x7fee5fb339a0, 24 [pid 6792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6790] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6800] <... set_robust_list resumed>) = 0 [pid 6792] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] <... futex resumed>) = 0 [pid 6791] <... mmap resumed>) = 0x7fee5fb13000 [pid 6800] rt_sigprocmask(SIG_SETMASK, [], [pid 6792] <... futex resumed>) = 0 [pid 6800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6792] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6791] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6800] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6798] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6798] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6797] <... futex resumed>) = 0 [pid 6791] <... mprotect resumed>) = 0 [pid 6790] <... mmap resumed>) = 0x7fee5fb13000 [pid 6797] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6790] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6798] <... futex resumed>) = 0 [pid 6797] <... futex resumed>) = 1 [pid 6791] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6790] <... mprotect resumed>) = 0 [pid 6798] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6798] <... openat resumed>) = 4 [pid 6797] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6790] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 6801 attached [pid 6798] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] <... clone3 resumed> => {parent_tid=[6801]}, 88) = 6801 [pid 6801] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6800] <... madvise resumed>) = 0 [pid 6798] <... futex resumed>) = 1 [pid 6790] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6802 attached [pid 6801] <... rseq resumed>) = 0 [pid 6800] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6797] <... futex resumed>) = 0 [pid 6791] rt_sigprocmask(SIG_SETMASK, [], [pid 6801] set_robust_list(0x7fee5fb339a0, 24 [pid 6800] <... futex resumed>) = 1 [pid 6797] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6792] <... futex resumed>) = 0 [pid 6801] <... set_robust_list resumed>) = 0 [pid 6800] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6798] <... futex resumed>) = 0 [pid 6797] <... futex resumed>) = 1 [pid 6791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6790] <... clone3 resumed> => {parent_tid=[6802]}, 88) = 6802 [pid 6802] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6801] rt_sigprocmask(SIG_SETMASK, [], [pid 6798] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6797] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6791] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] rt_sigprocmask(SIG_SETMASK, [], [pid 6802] <... rseq resumed>) = 0 [pid 6801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6798] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6791] <... futex resumed>) = 0 [pid 6802] set_robust_list(0x7fee5fb339a0, 24 [pid 6801] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6798] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6791] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6802] <... set_robust_list resumed>) = 0 [pid 6798] <... futex resumed>) = 1 [pid 6797] <... futex resumed>) = 0 [pid 6790] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6802] rt_sigprocmask(SIG_SETMASK, [], [pid 6798] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6797] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] <... futex resumed>) = 0 [pid 6802] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6798] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6797] <... futex resumed>) = 0 [pid 6790] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6802] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6798] dup(4 [pid 6797] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6798] <... dup resumed>) = 5 [pid 6798] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6797] <... futex resumed>) = 0 [pid 6802] <... madvise resumed>) = 0 [pid 6801] <... madvise resumed>) = 0 [pid 6798] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6797] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6797] <... futex resumed>) = 0 [pid 6797] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6801] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6802] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6790] <... futex resumed>) = 0 [pid 6802] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6801] <... futex resumed>) = 1 [pid 6791] <... futex resumed>) = 0 [pid 6801] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6797] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6797] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6797] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6797] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6797] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} => {parent_tid=[6803]}, 88) = 6803 [pid 6797] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6797] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6803 attached [pid 6797] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6803] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053) = 0 [pid 6803] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6803] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6803] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6803] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6797] <... futex resumed>) = 0 [pid 6803] <... futex resumed>) = 1 [pid 6803] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6798] <... mmap resumed>) = 0x20000000 [pid 6795] <... mmap resumed>) = 0x20000000 [pid 6793] <... mmap resumed>) = 0x20000000 [pid 6798] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6796] <... mmap resumed>) = 0x20000000 [pid 6795] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] <... futex resumed>) = 0 [pid 6796] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... futex resumed>) = 0 [pid 6793] <... futex resumed>) = 0 [pid 6790] exit_group(0 [pid 6789] exit_group(0 [pid 6802] <... futex resumed>) = ? [pid 6799] <... futex resumed>) = ? [pid 6798] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6797] exit_group(0 [pid 6796] <... futex resumed>) = ? [pid 6795] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] <... mmap resumed>) = 0x20000000 [pid 6790] <... exit_group resumed>) = ? [pid 6789] <... exit_group resumed>) = ? [pid 6803] <... futex resumed>) = ? [pid 6802] +++ exited with 0 +++ [pid 6799] +++ exited with 0 +++ [pid 6798] <... futex resumed>) = ? [pid 6797] <... exit_group resumed>) = ? [pid 6796] +++ exited with 0 +++ [pid 6794] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] +++ exited with 0 +++ [pid 6792] exit_group(0 [pid 6791] exit_group(0 [pid 6790] +++ exited with 0 +++ [pid 6803] +++ exited with 0 +++ [pid 6801] <... futex resumed>) = ? [pid 6800] <... futex resumed>) = ? [pid 6798] +++ exited with 0 +++ [pid 6795] <... futex resumed>) = ? [pid 6794] <... futex resumed>) = ? [pid 6792] <... exit_group resumed>) = ? [pid 6791] <... exit_group resumed>) = ? [pid 6789] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6790, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6801] +++ exited with 0 +++ [pid 6800] +++ exited with 0 +++ [pid 6795] +++ exited with 0 +++ [pid 6794] +++ exited with 0 +++ [pid 6791] +++ exited with 0 +++ [pid 6797] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6789, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6791, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5840] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6797, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5837] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5840] newfstatat(3, "", [pid 5837] newfstatat(3, "", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, [pid 5837] getdents64(3, [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./64/binderfs", [pid 5837] newfstatat(AT_FDCWD, "./64/binderfs", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./64/binderfs" [pid 5837] unlink("./64/binderfs" [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... restart_syscall resumed>) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 5840] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] <... umount2 resumed>) = 0 [pid 5836] newfstatat(3, "", [pid 5839] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] unlink("./64/binderfs") = 0 [pid 5836] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 3 [pid 5837] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = 0 [pid 5839] newfstatat(3, "", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./64/bus", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(3, [pid 5837] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./64/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... openat resumed>) = 4 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./64/bus", [pid 5839] newfstatat(AT_FDCWD, "./64/binderfs", [pid 5837] newfstatat(4, "", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./64/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] unlink("./64/binderfs" [pid 5837] getdents64(4, [pid 5836] <... umount2 resumed>) = 0 [pid 5836] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... openat resumed>) = 4 [pid 5836] newfstatat(AT_FDCWD, "./64/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./64/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5836] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] close(4) = 0 [pid 5836] rmdir("./64/bus") = 0 [pid 5836] getdents64(3, 0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] close(3) = 0 [pid 5836] rmdir("./64" [pid 5840] newfstatat(4, "", [pid 5839] <... unlink resumed>) = 0 [pid 5837] getdents64(4, [pid 5836] <... rmdir resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] close(4 [pid 5836] mkdir("./65", 0777 [pid 5837] <... close resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5837] rmdir("./64/bus" [pid 5840] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5837] <... rmdir resumed>) = 0 [pid 5840] getdents64(4, [pid 5837] getdents64(3, [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] close(4 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] <... close resumed>) = 0 [pid 5837] close(3 [pid 5836] <... openat resumed>) = 3 [pid 5837] <... close resumed>) = 0 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5840] rmdir("./64/bus" [pid 5837] rmdir("./64" [pid 5836] <... ioctl resumed>) = 0 [pid 5836] close(3 [pid 5840] <... rmdir resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5840] getdents64(3, [pid 5837] mkdir("./65", 0777 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] close(3 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6805 ./strace-static-x86_64: Process 6805 attached [pid 5840] <... close resumed>) = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6805] set_robust_list(0x55557a9486a0, 24 [pid 5840] rmdir("./64" [pid 6805] <... set_robust_list resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 6805] chdir("./65" [pid 5840] <... rmdir resumed>) = 0 [pid 5839] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6805] <... chdir resumed>) = 0 [pid 5840] mkdir("./65", 0777 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] <... ioctl resumed>) = 0 [pid 6805] <... prctl resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./64/bus", [pid 5837] close(3 [pid 6805] setpgid(0, 0 [pid 5837] <... close resumed>) = 0 [pid 6805] <... setpgid resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6806 attached ) = 3 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6805] write(3, "1000", 4 [pid 5840] <... openat resumed>) = 3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6806] set_robust_list(0x55557a9486a0, 24 [pid 6805] <... write resumed>) = 4 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] openat(AT_FDCWD, "./64/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6806 [pid 6806] <... set_robust_list resumed>) = 0 [pid 6805] close(3 [pid 5840] <... ioctl resumed>) = 0 [pid 5839] <... openat resumed>) = 4 executing program [pid 6806] chdir("./65" [pid 6805] <... close resumed>) = 0 [pid 6792] +++ exited with 0 +++ [pid 5840] close(3 [pid 5839] newfstatat(4, "", [pid 6806] <... chdir resumed>) = 0 [pid 6805] symlink("/dev/binderfs", "./binderfs" [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6792, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 6805] <... symlink resumed>) = 0 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6805] write(1, "executing program\n", 18) = 18 [pid 6805] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6805] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 6806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6805] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6806] <... prctl resumed>) = 0 [pid 6806] setpgid(0, 0 [pid 6805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] getdents64(4, [pid 6806] <... setpgid resumed>) = 0 [pid 6805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6805] <... mmap resumed>) = 0x7fee5fb34000 [pid 6806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6805] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5838] <... restart_syscall resumed>) = 0 [pid 5839] getdents64(4, [pid 6805] <... mprotect resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] close(4 [pid 5838] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] <... close resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] rmdir("./64/bus" [pid 5838] <... openat resumed>) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6805] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6806] <... openat resumed>) = 3 [pid 6805] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6806] write(3, "1000", 4 [pid 6805] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5839] getdents64(3, [pid 6806] <... write resumed>) = 4 ./strace-static-x86_64: Process 6807 attached [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6806] close(3 [pid 6807] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6805] <... clone3 resumed> => {parent_tid=[6807]}, 88) = 6807 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] newfstatat(AT_FDCWD, "./65/binderfs", ./strace-static-x86_64: Process 6808 attached [pid 6807] <... rseq resumed>) = 0 [pid 6806] <... close resumed>) = 0 [pid 6805] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6808 [pid 6807] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] close(3 [pid 5838] unlink("./65/binderfs" [pid 6806] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6808] set_robust_list(0x55557a9486a0, 24 [pid 5839] <... close resumed>) = 0 [pid 6808] <... set_robust_list resumed>) = 0 [pid 6806] write(1, "executing program\n", 18 [pid 6805] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] rmdir("./64" [pid 6808] chdir("./65" [pid 6807] rt_sigprocmask(SIG_SETMASK, [], [pid 6806] <... write resumed>) = 18 [pid 6805] <... futex resumed>) = 0 [pid 5838] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6808] <... chdir resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 6808] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6807] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6806] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5839] mkdir("./65", 0777 [pid 5838] <... umount2 resumed>) = 0 [pid 6808] <... prctl resumed>) = 0 [pid 6807] memfd_create("syzkaller", 0 [pid 6806] <... futex resumed>) = 0 [pid 6808] setpgid(0, 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6808] <... setpgid resumed>) = 0 [pid 6807] <... memfd_create resumed>) = 3 [pid 6806] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6807] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6806] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5838] newfstatat(AT_FDCWD, "./65/bus", [pid 5839] <... openat resumed>) = 3 [pid 6808] <... openat resumed>) = 3 [pid 6806] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6808] write(3, "1000", 4 [pid 6807] <... mmap resumed>) = 0x7fee57600000 [pid 6806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6808] <... write resumed>) = 4 [pid 6807] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5839] <... ioctl resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6806] <... mmap resumed>) = 0x7fee5fb34000 [pid 5838] openat(AT_FDCWD, "./65/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] close(3 [pid 6808] close(3 [pid 5838] <... openat resumed>) = 4 [pid 6806] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6808] <... close resumed>) = 0 [pid 6806] <... mprotect resumed>) = 0 [pid 5838] newfstatat(4, "", [pid 6808] symlink("/dev/binderfs", "./binderfs" [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6808] <... symlink resumed>) = 0 [pid 6806] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] getdents64(4, [pid 6808] write(1, "executing program\n", 18 [pid 6806] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6808] <... write resumed>) = 18 [pid 6807] <... write resumed>) = 131072 [pid 6806] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5839] <... close resumed>) = 0 [pid 6808] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6808] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, ./strace-static-x86_64: Process 6809 attached NULL, 8) = 0 [pid 6806] <... clone3 resumed> => {parent_tid=[6809]}, 88) = 6809 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] getdents64(4, [pid 6808] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6806] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6808] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] close(4 [pid 6808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5838] <... close resumed>) = 0 [pid 6808] <... mmap resumed>) = 0x7fee5fb34000 [pid 6806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] rmdir("./65/bus"./strace-static-x86_64: Process 6810 attached [pid 6809] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6808] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6807] munmap(0x7fee57600000, 138412032 [pid 6806] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... rmdir resumed>) = 0 [pid 6809] <... rseq resumed>) = 0 [pid 6808] <... mprotect resumed>) = 0 [pid 6810] set_robust_list(0x55557a9486a0, 24 [pid 6809] set_robust_list(0x7fee5fb549a0, 24 [pid 6808] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6807] <... munmap resumed>) = 0 [pid 6806] <... futex resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6810 [pid 6810] <... set_robust_list resumed>) = 0 [pid 6809] <... set_robust_list resumed>) = 0 [pid 6807] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6806] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6810] chdir("./65" [pid 6809] rt_sigprocmask(SIG_SETMASK, [], [pid 6808] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6807] <... openat resumed>) = 4 [pid 5838] getdents64(3, [pid 6810] <... chdir resumed>) = 0 [pid 6809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6808] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6807] ioctl(4, LOOP_SET_FD, 3 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6809] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6811 attached [pid 5838] close(3 [pid 6810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6808] <... clone3 resumed> => {parent_tid=[6811]}, 88) = 6811 [pid 5838] <... close resumed>) = 0 [pid 6810] <... prctl resumed>) = 0 [pid 6808] rt_sigprocmask(SIG_SETMASK, [], [pid 6811] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6810] setpgid(0, 0 [pid 6808] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] rmdir("./65" [pid 6811] <... rseq resumed>) = 0 [pid 6810] <... setpgid resumed>) = 0 [pid 6808] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... rmdir resumed>) = 0 [pid 6811] set_robust_list(0x7fee5fb549a0, 24 [pid 6810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6808] <... futex resumed>) = 0 [pid 6811] <... set_robust_list resumed>) = 0 [pid 6809] <... memfd_create resumed>) = 3 [pid 6808] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6811] rt_sigprocmask(SIG_SETMASK, [], [pid 6810] <... openat resumed>) = 3 [pid 6809] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5838] mkdir("./66", 0777 [pid 6811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6809] <... mmap resumed>) = 0x7fee57600000 [pid 6807] <... ioctl resumed>) = 0 [pid 6811] memfd_create("syzkaller", 0 [pid 6810] write(3, "1000", 4 [pid 6809] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6807] close(3 [pid 5838] <... mkdir resumed>) = 0 [pid 6811] <... memfd_create resumed>) = 3 [pid 6810] <... write resumed>) = 4 [pid 6809] <... write resumed>) = 131072 [pid 6807] <... close resumed>) = 0 [pid 6811] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6810] close(3 [pid 6809] munmap(0x7fee57600000, 138412032 [pid 6807] close(4 [pid 6811] <... mmap resumed>) = 0x7fee57600000 [pid 6810] <... close resumed>) = 0 [pid 6809] <... munmap resumed>) = 0 [pid 6811] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6810] symlink("/dev/binderfs", "./binderfs" [pid 6809] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6811] <... write resumed>) = 131072 [pid 6810] <... symlink resumed>) = 0 [pid 6809] <... openat resumed>) = 4 [pid 6807] <... close resumed>) = 0 executing program [pid 5838] <... openat resumed>) = 3 [pid 6810] write(1, "executing program\n", 18 [pid 6809] ioctl(4, LOOP_SET_FD, 3 [pid 6807] mkdir("./bus", 0777 [pid 6810] <... write resumed>) = 18 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 6810] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... ioctl resumed>) = 0 [pid 6810] <... futex resumed>) = 0 [pid 5838] close(3 [pid 6811] munmap(0x7fee57600000, 138412032 [pid 6810] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5838] <... close resumed>) = 0 [pid 6810] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6811] <... munmap resumed>) = 0 [pid 6810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6811] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6811] <... openat resumed>) = 4 [pid 6810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6810] <... mmap resumed>) = 0x7fee5fb34000 [pid 6811] ioctl(4, LOOP_SET_FD, 3 [pid 6810] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6807] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6812 attached [pid 6810] <... mprotect resumed>) = 0 [pid 6810] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6813 attached [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6812 [pid 6812] set_robust_list(0x55557a9486a0, 24 [pid 6810] <... clone3 resumed> => {parent_tid=[6813]}, 88) = 6813 [pid 6813] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6810] rt_sigprocmask(SIG_SETMASK, [], [pid 6813] <... rseq resumed>) = 0 [pid 6810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6813] set_robust_list(0x7fee5fb549a0, 24 [pid 6810] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] <... set_robust_list resumed>) = 0 [pid 6810] <... futex resumed>) = 0 [pid 6813] rt_sigprocmask(SIG_SETMASK, [], [pid 6810] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6813] memfd_create("syzkaller", 0) = 3 [pid 6813] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6807] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6812] <... set_robust_list resumed>) = 0 [pid 6809] <... ioctl resumed>) = 0 [pid 6813] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6812] chdir("./66" [pid 6809] close(3 [pid 6812] <... chdir resumed>) = 0 [pid 6809] <... close resumed>) = 0 [pid 6812] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6809] close(4 [pid 6812] <... prctl resumed>) = 0 [pid 6809] <... close resumed>) = 0 [pid 6812] setpgid(0, 0 [pid 6809] mkdir("./bus", 0777 [pid 6812] <... setpgid resumed>) = 0 [pid 6811] <... ioctl resumed>) = 0 [pid 6809] <... mkdir resumed>) = 0 [pid 6812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6811] close(3 [pid 6809] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6812] <... openat resumed>) = 3 [pid 6811] <... close resumed>) = 0 [pid 6807] <... mount resumed>) = 0 [pid 6813] <... write resumed>) = 131072 [pid 6812] write(3, "1000", 4 [pid 6811] close(4 [pid 6809] <... mount resumed>) = 0 [pid 6807] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6812] <... write resumed>) = 4 [pid 6811] <... close resumed>) = 0 [pid 6809] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6807] <... openat resumed>) = 3 [pid 6813] munmap(0x7fee57600000, 138412032 [pid 6812] close(3 [pid 6811] mkdir("./bus", 0777 [pid 6809] <... openat resumed>) = 3 [pid 6807] chdir("./bus" [pid 6813] <... munmap resumed>) = 0 [pid 6812] <... close resumed>) = 0 [pid 6811] <... mkdir resumed>) = 0 [pid 6807] <... chdir resumed>) = 0 [pid 6812] symlink("/dev/binderfs", "./binderfs" [pid 6811] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6813] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6812] <... symlink resumed>) = 0 [pid 6809] chdir("./bus" [pid 6807] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program [pid 6813] <... openat resumed>) = 4 [pid 6812] write(1, "executing program\n", 18 [pid 6809] <... chdir resumed>) = 0 [pid 6807] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 107.506936][ T6807] loop0: detected capacity change from 0 to 256 [ 107.533085][ T6809] loop1: detected capacity change from 0 to 256 [ 107.544208][ T6811] loop4: detected capacity change from 0 to 256 [pid 6813] ioctl(4, LOOP_SET_FD, 3 [pid 6812] <... write resumed>) = 18 [pid 6809] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6807] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] <... ioctl resumed>) = 0 [pid 6812] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6811] <... mount resumed>) = 0 [pid 6809] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6807] <... futex resumed>) = 1 [pid 6805] <... futex resumed>) = 0 [pid 6811] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6811] chdir("./bus") = 0 [pid 6811] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6811] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6811] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6808] <... futex resumed>) = 0 [pid 6808] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6811] <... futex resumed>) = 0 [pid 6808] <... futex resumed>) = 1 [pid 6811] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6808] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6811] <... openat resumed>) = 4 [pid 6811] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6808] <... futex resumed>) = 0 [pid 6808] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6808] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6811] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6812] <... futex resumed>) = 0 [pid 6811] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6809] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6805] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6811] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6808] <... futex resumed>) = 0 [pid 6808] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6808] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6807] <... openat resumed>) = 4 [pid 6805] <... futex resumed>) = 0 [pid 6809] <... futex resumed>) = 1 [pid 6812] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6809] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6807] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6806] <... futex resumed>) = 0 [pid 6805] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6811] dup(4 [pid 6807] <... futex resumed>) = 0 [pid 6806] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] close(3 [pid 6812] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6811] <... dup resumed>) = 5 [pid 6809] <... futex resumed>) = 0 [pid 6807] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6806] <... futex resumed>) = 1 [pid 6805] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] <... close resumed>) = 0 [pid 6812] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6811] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6807] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6806] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6805] <... futex resumed>) = 0 [pid 6813] close(4 [pid 6812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6811] <... futex resumed>) = 1 [pid 6809] <... openat resumed>) = 4 [pid 6808] <... futex resumed>) = 0 [pid 6807] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6813] <... close resumed>) = 0 [pid 6812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6811] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6809] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] <... futex resumed>) = 0 [pid 6805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6813] mkdir("./bus", 0777 [pid 6812] <... mmap resumed>) = 0x7fee5fb34000 [pid 6811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6809] <... futex resumed>) = 1 [pid 6808] <... futex resumed>) = 0 [pid 6807] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6806] <... futex resumed>) = 0 [pid 6805] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] <... mkdir resumed>) = 0 [pid 6812] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6811] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6809] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6808] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6806] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] <... futex resumed>) = 0 [pid 6812] <... mprotect resumed>) = 0 [pid 6809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6807] dup(4 [pid 6806] <... futex resumed>) = 0 [pid 6805] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6809] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6807] <... dup resumed>) = 5 [pid 6806] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6813] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6812] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6807] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6809] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6807] <... futex resumed>) = 0 [pid 6813] <... mount resumed>) = 0 [pid 6812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6809] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6814 attached [pid 6813] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6809] <... futex resumed>) = 1 [pid 6806] <... futex resumed>) = 0 [pid 6805] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6813] <... openat resumed>) = 3 [pid 6812] <... clone3 resumed> => {parent_tid=[6814]}, 88) = 6814 [pid 6809] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6807] <... futex resumed>) = 0 [pid 6806] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] <... futex resumed>) = 1 [pid 6814] <... rseq resumed>) = 0 [pid 6813] chdir("./bus" [pid 6812] rt_sigprocmask(SIG_SETMASK, [], [pid 6809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6807] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6806] <... futex resumed>) = 0 [pid 6805] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6814] set_robust_list(0x7fee5fb549a0, 24 [pid 6813] <... chdir resumed>) = 0 [pid 6812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6809] dup(4 [pid 6806] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6814] <... set_robust_list resumed>) = 0 [pid 6809] <... dup resumed>) = 5 [pid 6814] rt_sigprocmask(SIG_SETMASK, [], [pid 6809] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6809] <... futex resumed>) = 1 [pid 6806] <... futex resumed>) = 0 [pid 6814] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 107.585087][ T6813] loop3: detected capacity change from 0 to 256 [pid 6806] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6806] <... futex resumed>) = 0 [pid 6813] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6806] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6813] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6814] <... futex resumed>) = 0 [pid 6812] <... futex resumed>) = 1 [pid 6813] <... futex resumed>) = 1 [pid 6810] <... futex resumed>) = 0 [pid 6813] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6810] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6810] <... futex resumed>) = 0 [pid 6813] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6810] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6813] <... openat resumed>) = 4 [pid 6813] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] memfd_create("syzkaller", 0 [pid 6813] <... futex resumed>) = 1 [pid 6812] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6810] <... futex resumed>) = 0 [pid 6813] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6810] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... futex resumed>) = 0 [pid 6814] <... memfd_create resumed>) = 3 [pid 6813] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6814] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6813] <... futex resumed>) = 0 [pid 6810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6814] <... mmap resumed>) = 0x7fee57600000 [pid 6810] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6813] dup(4 [pid 6810] <... futex resumed>) = 0 [pid 6808] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6814] <... write resumed>) = 131072 [pid 6813] <... dup resumed>) = 5 [pid 6810] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6808] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] munmap(0x7fee57600000, 138412032 [pid 6813] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] <... futex resumed>) = 0 [pid 6814] <... munmap resumed>) = 0 [pid 6813] <... futex resumed>) = 1 [pid 6810] <... futex resumed>) = 0 [pid 6814] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6810] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6810] <... futex resumed>) = 0 [pid 6814] <... openat resumed>) = 4 [pid 6808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6814] ioctl(4, LOOP_SET_FD, 3 [pid 6810] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6808] <... mmap resumed>) = 0x7fee5fb13000 [pid 6808] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6808] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6814] <... ioctl resumed>) = 0 [pid 6808] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6806] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6805] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6806] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] close(3 [pid 6806] <... futex resumed>) = 0 [pid 6805] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6814] <... close resumed>) = 0 [pid 6806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6814] close(4 [pid 6806] <... mmap resumed>) = 0x7fee5fb13000 [pid 6805] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6806] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6808] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6814] <... close resumed>) = 0 [pid 6806] <... mprotect resumed>) = 0 [pid 6805] <... mprotect resumed>) = 0 [pid 6808] <... clone3 resumed> => {parent_tid=[6815]}, 88) = 6815 [pid 6808] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6808] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6808] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6815 attached [pid 6815] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053) = 0 [pid 6815] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6815] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6814] mkdir("./bus", 0777 [pid 6806] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6805] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6815] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6814] <... mkdir resumed>) = 0 [pid 6806] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6805] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6805] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6806] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6817 attached ./strace-static-x86_64: Process 6816 attached [pid 6815] <... madvise resumed>) = 0 [pid 6814] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6817] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6806] <... clone3 resumed> => {parent_tid=[6816]}, 88) = 6816 [pid 6805] <... clone3 resumed> => {parent_tid=[6817]}, 88) = 6817 [pid 6817] <... rseq resumed>) = 0 [pid 6816] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6806] rt_sigprocmask(SIG_SETMASK, [], [pid 6815] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] <... rseq resumed>) = 0 [pid 6806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6805] rt_sigprocmask(SIG_SETMASK, [], [pid 6815] <... futex resumed>) = 1 [pid 6808] <... futex resumed>) = 0 [pid 6817] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6815] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6817] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6806] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6816] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6810] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6806] <... futex resumed>) = 0 [pid 6805] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] rt_sigprocmask(SIG_SETMASK, [], [pid 6810] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6806] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6805] <... futex resumed>) = 1 [pid 6816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6810] <... futex resumed>) = 0 [pid 6805] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6817] <... futex resumed>) = 0 [pid 6816] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6814] <... mount resumed>) = 0 [pid 6810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6817] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6810] <... mmap resumed>) = 0x7fee5fb13000 [pid 6817] <... madvise resumed>) = 0 [pid 6816] <... madvise resumed>) = 0 [pid 6814] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6810] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6814] <... openat resumed>) = 3 [pid 6810] <... mprotect resumed>) = 0 [ 107.684399][ T6814] loop2: detected capacity change from 0 to 256 [pid 6814] chdir("./bus" [pid 6810] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6814] <... chdir resumed>) = 0 [pid 6810] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6818 attached => {parent_tid=[6818]}, 88) = 6818 [pid 6810] rt_sigprocmask(SIG_SETMASK, [], [pid 6818] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6814] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6810] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6810] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6817] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6818] <... rseq resumed>) = 0 [pid 6817] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6805] <... futex resumed>) = 0 [pid 6818] set_robust_list(0x7fee5fb339a0, 24 [pid 6814] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6818] <... set_robust_list resumed>) = 0 [pid 6814] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] rt_sigprocmask(SIG_SETMASK, [], [pid 6816] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] <... futex resumed>) = 1 [pid 6812] <... futex resumed>) = 0 [pid 6814] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6812] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] <... futex resumed>) = 1 [pid 6806] <... futex resumed>) = 0 [pid 6814] <... openat resumed>) = 4 [pid 6818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6816] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] <... futex resumed>) = 0 [pid 6818] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6812] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6814] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6814] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6812] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6812] <... futex resumed>) = 0 [pid 6814] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6814] <... futex resumed>) = 0 [pid 6812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6814] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6818] <... madvise resumed>) = 0 [pid 6814] dup(4 [pid 6812] <... futex resumed>) = 0 [pid 6814] <... dup resumed>) = 5 [pid 6812] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6814] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6814] <... futex resumed>) = 0 [pid 6812] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6812] <... futex resumed>) = 0 [pid 6812] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6818] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6810] <... futex resumed>) = 0 [pid 6818] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6812] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6811] <... mmap resumed>) = 0x20000000 [pid 6812] <... mmap resumed>) = 0x7fee5fb13000 [pid 6814] <... mmap resumed>) = 0x20000000 [pid 6813] <... mmap resumed>) = 0x20000000 [pid 6812] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6811] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] <... mmap resumed>) = 0x20000000 [pid 6807] <... mmap resumed>) = 0x20000000 [pid 6814] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] <... mprotect resumed>) = 0 [pid 6811] <... futex resumed>) = 0 [pid 6809] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] exit_group(0 [pid 6807] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6806] exit_group(0 [pid 6805] exit_group(0 [pid 6817] <... futex resumed>) = ? [pid 6816] <... futex resumed>) = ? [pid 6815] <... futex resumed>) = ? [pid 6814] <... futex resumed>) = 0 [pid 6813] <... futex resumed>) = 0 [pid 6812] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6809] <... futex resumed>) = ? [pid 6808] <... exit_group resumed>) = ? [pid 6807] <... futex resumed>) = ? [pid 6806] <... exit_group resumed>) = ? [pid 6805] <... exit_group resumed>) = ? [pid 6817] +++ exited with 0 +++ [pid 6816] +++ exited with 0 +++ [pid 6815] +++ exited with 0 +++ [pid 6814] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6813] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6811] +++ exited with 0 +++ [pid 6810] exit_group(0 [pid 6809] +++ exited with 0 +++ [pid 6808] +++ exited with 0 +++ [pid 6807] +++ exited with 0 +++ [pid 6806] +++ exited with 0 +++ [pid 6818] <... futex resumed>) = ? [pid 6813] <... futex resumed>) = ? [pid 6812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6810] <... exit_group resumed>) = ? [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6808, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6806, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6818] +++ exited with 0 +++ [pid 6813] +++ exited with 0 +++ [pid 6810] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6810, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- ./strace-static-x86_64: Process 6819 attached [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 6819] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6812] <... clone3 resumed> => {parent_tid=[6819]}, 88) = 6819 [pid 6819] <... rseq resumed>) = 0 [pid 6812] rt_sigprocmask(SIG_SETMASK, [], [pid 6819] set_robust_list(0x7fee5fb339a0, 24 [pid 6812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6819] <... set_robust_list resumed>) = 0 [pid 6812] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] rt_sigprocmask(SIG_SETMASK, [], [pid 6812] <... futex resumed>) = 0 [pid 6805] +++ exited with 0 +++ [pid 6812] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6805, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6819] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 6819] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6819] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6812] <... futex resumed>) = 0 [pid 6819] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] exit_group(0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 6819] <... futex resumed>) = ? [pid 6812] <... exit_group resumed>) = ? [pid 6819] +++ exited with 0 +++ [pid 5836] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6814] <... futex resumed>) = ? [pid 5839] <... restart_syscall resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... openat resumed>) = 3 [pid 5840] <... openat resumed>) = 3 [pid 5839] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... openat resumed>) = 3 [pid 5836] newfstatat(3, "", [pid 5840] newfstatat(3, "", [pid 5839] <... openat resumed>) = 3 [pid 5837] newfstatat(3, "", [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] newfstatat(3, "", [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, [pid 5836] getdents64(3, [pid 5839] getdents64(3, [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./65/binderfs", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./65/binderfs", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] newfstatat(AT_FDCWD, "./65/binderfs", [pid 5836] newfstatat(AT_FDCWD, "./65/binderfs", [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./65/binderfs" [pid 5839] unlink("./65/binderfs" [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./65/binderfs" [pid 5836] unlink("./65/binderfs") = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5839] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... unlink resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5837] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5836] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./65/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./65/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5840] <... umount2 resumed>) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 5836] newfstatat(AT_FDCWD, "./65/bus", [pid 5839] newfstatat(4, "", [pid 5840] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(AT_FDCWD, "./65/bus", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] openat(AT_FDCWD, "./65/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5840] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(4, "", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] openat(AT_FDCWD, "./65/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] getdents64(4, [pid 5840] <... openat resumed>) = 4 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] newfstatat(4, "", [pid 5836] close(4 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... close resumed>) = 0 [pid 5836] rmdir("./65/bus" [pid 5840] getdents64(4, [pid 5836] <... rmdir resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] getdents64(3, 0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] close(3 [pid 5840] getdents64(4, [pid 5836] <... close resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] rmdir("./65" [pid 5840] close(4 [pid 5836] <... rmdir resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5840] rmdir("./65/bus") = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] mkdir("./66", 0777 [pid 5839] getdents64(4, [pid 5837] newfstatat(AT_FDCWD, "./65/bus", [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5837] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(4, [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] openat(AT_FDCWD, "./65/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] close(4 [pid 5840] getdents64(3, [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5840] close(3) = 0 [pid 5840] rmdir("./65" [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5840] <... rmdir resumed>) = 0 [pid 5836] <... ioctl resumed>) = 0 [pid 5837] <... openat resumed>) = 4 [pid 5836] close(3 [pid 6814] +++ exited with 0 +++ [pid 6812] +++ exited with 0 +++ [pid 5840] mkdir("./66", 0777 [pid 5839] <... close resumed>) = 0 [pid 5837] newfstatat(4, "", [pid 5840] <... mkdir resumed>) = 0 [pid 5839] rmdir("./65/bus" [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6812, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5839] <... rmdir resumed>) = 0 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5839] getdents64(3, [pid 5838] <... restart_syscall resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] getdents64(4, [pid 5840] <... openat resumed>) = 3 [pid 5839] close(3 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] <... close resumed>) = 0 [pid 5838] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] getdents64(4, [pid 5840] <... ioctl resumed>) = 0 [pid 5839] rmdir("./65" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] close(3 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] <... close resumed>) = 0 [pid 5839] mkdir("./66", 0777 [pid 5838] <... openat resumed>) = 3 [pid 5837] close(4 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... mkdir resumed>) = 0 [pid 5838] newfstatat(3, "", [pid 5837] <... close resumed>) = 0 ./strace-static-x86_64: Process 6820 attached [pid 5840] <... close resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] rmdir("./65/bus" [pid 6820] set_robust_list(0x55557a9486a0, 24 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] getdents64(3, [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6820 ./strace-static-x86_64: Process 6821 attached [pid 6820] <... set_robust_list resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6821] set_robust_list(0x55557a9486a0, 24 [pid 6820] chdir("./66" [pid 6821] <... set_robust_list resumed>) = 0 [pid 6820] <... chdir resumed>) = 0 [pid 6821] chdir("./66" [pid 6820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] getdents64(3, [pid 6821] <... chdir resumed>) = 0 [pid 6820] <... prctl resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6821 [pid 5839] <... ioctl resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6821] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6820] setpgid(0, 0 [pid 5839] close(3 [pid 5838] newfstatat(AT_FDCWD, "./66/binderfs", [pid 5837] close(3 [pid 6821] <... prctl resumed>) = 0 [pid 6820] <... setpgid resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... close resumed>) = 0 [pid 6821] setpgid(0, 0 [pid 6820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] unlink("./66/binderfs" [pid 5837] rmdir("./65" [pid 6821] <... setpgid resumed>) = 0 [pid 6820] <... openat resumed>) = 3 [pid 5838] <... unlink resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 6820] write(3, "1000", 4 [pid 6821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6820] <... write resumed>) = 4 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6820] close(3 [pid 5837] mkdir("./66", 0777./strace-static-x86_64: Process 6822 attached [pid 6821] <... openat resumed>) = 3 [pid 6820] <... close resumed>) = 0 [pid 6822] set_robust_list(0x55557a9486a0, 24 [pid 6821] write(3, "1000", 4 [pid 6820] symlink("/dev/binderfs", "./binderfs" [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6822 [pid 5837] <... mkdir resumed>) = 0 [pid 6822] <... set_robust_list resumed>) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 6820] <... symlink resumed>) = 0 [pid 6822] chdir("./66" [pid 6821] <... write resumed>) = 4 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6822] <... chdir resumed>) = 0 [pid 6822] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] <... openat resumed>) = 3 [pid 6822] <... prctl resumed>) = 0 [pid 6822] setpgid(0, 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6822] <... setpgid resumed>) = 0 [pid 5837] <... ioctl resumed>) = 0 [pid 6822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6821] close(3 [pid 6820] write(1, "executing program\n", 18 [pid 5838] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] close(3executing program [pid 6821] <... close resumed>) = 0 [pid 6820] <... write resumed>) = 18 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... close resumed>) = 0 [pid 6821] symlink("/dev/binderfs", "./binderfs" [pid 6820] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] newfstatat(AT_FDCWD, "./66/bus", [pid 6822] <... openat resumed>) = 3 [pid 6821] <... symlink resumed>) = 0 [pid 6820] <... futex resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6821] write(1, "executing program\n", 18 [pid 6822] write(3, "1000", 4 [pid 6820] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6821] <... write resumed>) = 18 [pid 5838] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6821] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6821] <... futex resumed>) = 0 [pid 6820] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5838] openat(AT_FDCWD, "./66/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6821] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5838] <... openat resumed>) = 4 [pid 6821] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5838] newfstatat(4, "", [pid 6821] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6820] <... mmap resumed>) = 0x7fee5fb34000 ./strace-static-x86_64: Process 6823 attached [pid 6822] <... write resumed>) = 4 [pid 6821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6820] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6823] set_robust_list(0x55557a9486a0, 24 [pid 6822] close(3) = 0 [pid 6822] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6823] <... set_robust_list resumed>) = 0 [pid 6821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6820] <... mprotect resumed>) = 0 [pid 5838] getdents64(4, executing program [pid 6823] chdir("./66" [pid 6822] write(1, "executing program\n", 18 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6823 [pid 6820] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6823] <... chdir resumed>) = 0 [pid 6821] <... mmap resumed>) = 0x7fee5fb34000 [pid 6823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6820] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] getdents64(4, [pid 6823] <... prctl resumed>) = 0 [pid 6821] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6823] setpgid(0, 0 [pid 6822] <... write resumed>) = 18 [pid 6821] <... mprotect resumed>) = 0 [pid 6823] <... setpgid resumed>) = 0 [pid 6822] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6821] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6822] <... futex resumed>) = 0 [pid 6822] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 6822] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 ./strace-static-x86_64: Process 6824 attached [pid 6823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6822] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6821] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] close(4) = 0 [pid 6820] <... clone3 resumed> => {parent_tid=[6824]}, 88) = 6824 [pid 6821] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6823] <... openat resumed>) = 3 [pid 6822] <... mprotect resumed>) = 0 [pid 6823] write(3, "1000", 4 [pid 6821] <... clone3 resumed> => {parent_tid=[6825]}, 88) = 6825 [pid 6820] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] rmdir("./66/bus"./strace-static-x86_64: Process 6825 attached [pid 6824] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6823] <... write resumed>) = 4 [pid 6822] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6821] rt_sigprocmask(SIG_SETMASK, [], [pid 6820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6825] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6824] <... rseq resumed>) = 0 [pid 6823] close(3 [pid 6822] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6820] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... rmdir resumed>) = 0 [pid 6825] <... rseq resumed>) = 0 [pid 6824] set_robust_list(0x7fee5fb549a0, 24 [pid 6823] <... close resumed>) = 0 [pid 6822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6821] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6826 attached [pid 6825] set_robust_list(0x7fee5fb549a0, 24 [pid 6824] <... set_robust_list resumed>) = 0 [pid 6823] symlink("/dev/binderfs", "./binderfs" [pid 6821] <... futex resumed>) = 0 [pid 6820] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5838] getdents64(3, [pid 6826] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6825] <... set_robust_list resumed>) = 0 [pid 6824] rt_sigprocmask(SIG_SETMASK, [], [pid 6823] <... symlink resumed>) = 0 [pid 6822] <... clone3 resumed> => {parent_tid=[6826]}, 88) = 6826 [pid 6821] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6826] <... rseq resumed>) = 0 [pid 6825] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 6824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6823] write(1, "executing program\n", 18 [pid 6822] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] close(3 [pid 6826] set_robust_list(0x7fee5fb549a0, 24 [pid 6825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6824] memfd_create("syzkaller", 0 [pid 6823] <... write resumed>) = 18 [pid 6822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... close resumed>) = 0 [pid 6826] <... set_robust_list resumed>) = 0 [pid 6825] memfd_create("syzkaller", 0 [pid 6824] <... memfd_create resumed>) = 3 [pid 6823] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] rmdir("./66" [pid 6826] rt_sigprocmask(SIG_SETMASK, [], [pid 6825] <... memfd_create resumed>) = 3 [pid 6824] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6823] <... futex resumed>) = 0 [pid 6822] <... futex resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 6826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6824] <... mmap resumed>) = 0x7fee57600000 [pid 6823] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6826] memfd_create("syzkaller", 0 [pid 6825] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6823] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6822] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5838] mkdir("./67", 0777 [pid 6826] <... memfd_create resumed>) = 3 [pid 6825] <... mmap resumed>) = 0x7fee57600000 [pid 6824] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6823] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5838] <... mkdir resumed>) = 0 [pid 6825] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6824] <... write resumed>) = 131072 [pid 6823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6823] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6823] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6826] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6823] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] <... openat resumed>) = 3 [pid 6826] <... mmap resumed>) = 0x7fee57600000 [pid 6824] munmap(0x7fee57600000, 138412032 [pid 6823] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5838] ioctl(3, LOOP_CLR_FD [pid 6826] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6824] <... munmap resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 5838] close(3./strace-static-x86_64: Process 6827 attached [pid 6826] <... write resumed>) = 131072 [pid 6825] <... write resumed>) = 131072 [pid 6824] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6823] <... clone3 resumed> => {parent_tid=[6827]}, 88) = 6827 [pid 5838] <... close resumed>) = 0 [pid 6827] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053) = 0 [pid 6827] set_robust_list(0x7fee5fb549a0, 24 [pid 6826] munmap(0x7fee57600000, 138412032 [pid 6825] munmap(0x7fee57600000, 138412032 [pid 6824] <... openat resumed>) = 4 [pid 6823] rt_sigprocmask(SIG_SETMASK, [], [pid 6827] <... set_robust_list resumed>) = 0 [pid 6827] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6827] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6826] <... munmap resumed>) = 0 [pid 6825] <... munmap resumed>) = 0 [pid 6824] ioctl(4, LOOP_SET_FD, 3 [pid 6823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6823] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6823] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6826] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6825] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 6828 attached [pid 6828] set_robust_list(0x55557a9486a0, 24 [pid 6825] <... openat resumed>) = 4 [pid 6828] <... set_robust_list resumed>) = 0 [pid 6828] chdir("./67") = 0 [pid 6827] memfd_create("syzkaller", 0 [pid 6826] <... openat resumed>) = 4 [pid 6828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6827] <... memfd_create resumed>) = 3 [pid 6825] ioctl(4, LOOP_SET_FD, 3 [pid 6828] <... prctl resumed>) = 0 [pid 6827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6826] ioctl(4, LOOP_SET_FD, 3 [pid 6824] <... ioctl resumed>) = 0 [pid 6828] setpgid(0, 0 [pid 6825] <... ioctl resumed>) = 0 [pid 6828] <... setpgid resumed>) = 0 [pid 6828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6825] close(3 [pid 6828] <... openat resumed>) = 3 [pid 6825] <... close resumed>) = 0 [pid 6828] write(3, "1000", 4 [pid 6825] close(4 [pid 6828] <... write resumed>) = 4 [pid 6828] close(3 [pid 6827] <... mmap resumed>) = 0x7fee57600000 [pid 6826] <... ioctl resumed>) = 0 [pid 6824] close(3 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6828 [pid 6827] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6826] close(3 [pid 6824] <... close resumed>) = 0 [pid 6827] <... write resumed>) = 131072 [pid 6826] <... close resumed>) = 0 [pid 6824] close(4 [pid 6826] close(4 [pid 6824] <... close resumed>) = 0 [pid 6826] <... close resumed>) = 0 [pid 6824] mkdir("./bus", 0777 [pid 6826] mkdir("./bus", 0777 [pid 6824] <... mkdir resumed>) = 0 [pid 6828] <... close resumed>) = 0 [pid 6827] munmap(0x7fee57600000, 138412032 [pid 6826] <... mkdir resumed>) = 0 [pid 6824] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6827] <... munmap resumed>) = 0 [pid 6826] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6824] <... mount resumed>) = 0 [pid 6824] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6828] symlink("/dev/binderfs", "./binderfs" [pid 6827] <... openat resumed>) = 4 [pid 6825] <... close resumed>) = 0 [pid 6824] <... openat resumed>) = 3 [pid 6828] <... symlink resumed>) = 0 [pid 6827] ioctl(4, LOOP_SET_FD, 3 [pid 6825] mkdir("./bus", 0777 [ 108.082983][ T6824] loop0: detected capacity change from 0 to 256 [ 108.096891][ T6825] loop4: detected capacity change from 0 to 256 [ 108.104416][ T6826] loop3: detected capacity change from 0 to 256 [pid 6824] chdir("./bus" [pid 6828] write(1, "executing program\n", 18executing program [pid 6826] <... mount resumed>) = 0 [pid 6824] <... chdir resumed>) = 0 [pid 6825] <... mkdir resumed>) = 0 [pid 6828] <... write resumed>) = 18 [pid 6827] <... ioctl resumed>) = 0 [pid 6826] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6825] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6824] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6828] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6827] close(3 [pid 6826] <... openat resumed>) = 3 [pid 6824] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6828] <... futex resumed>) = 0 [pid 6827] <... close resumed>) = 0 [pid 6826] chdir("./bus" [pid 6825] <... mount resumed>) = 0 [pid 6824] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6827] close(4 [pid 6826] <... chdir resumed>) = 0 [pid 6825] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6824] <... futex resumed>) = 1 [pid 6820] <... futex resumed>) = 0 [pid 6828] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6827] <... close resumed>) = 0 [pid 6820] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6827] mkdir("./bus", 0777 [pid 6826] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6825] <... openat resumed>) = 3 [pid 6824] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6820] <... futex resumed>) = 0 [pid 6828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6827] <... mkdir resumed>) = 0 [pid 6826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6825] chdir("./bus" [pid 6824] <... openat resumed>) = 4 [pid 6820] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6827] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6825] <... chdir resumed>) = 0 [pid 6824] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6828] <... mmap resumed>) = 0x7fee5fb34000 [pid 6826] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6820] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6827] <... mount resumed>) = 0 [pid 6826] <... futex resumed>) = 1 [pid 6825] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6824] <... futex resumed>) = 0 [pid 6822] <... futex resumed>) = 0 [pid 6820] <... futex resumed>) = 0 [pid 6828] <... mprotect resumed>) = 0 [pid 6827] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6826] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6825] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6824] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6822] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6828] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6827] <... openat resumed>) = 3 [pid 6826] <... openat resumed>) = 4 [pid 6824] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] <... futex resumed>) = 0 [pid 6828] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6827] chdir("./bus" [pid 6826] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] <... futex resumed>) = 1 [pid 6824] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6821] <... futex resumed>) = 0 [pid 6828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6827] <... chdir resumed>) = 0 [pid 6826] <... futex resumed>) = 0 [pid 6825] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6824] <... futex resumed>) = 1 [pid 6822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6821] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6829 attached [pid 6827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6826] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6824] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6822] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6821] <... futex resumed>) = 0 [pid 6820] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6828] <... clone3 resumed> => {parent_tid=[6829]}, 88) = 6829 [pid 6827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6825] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6822] <... futex resumed>) = 0 [pid 6821] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6820] <... futex resumed>) = 0 [pid 6829] <... rseq resumed>) = 0 [pid 6828] rt_sigprocmask(SIG_SETMASK, [], [pid 6826] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6825] <... openat resumed>) = 4 [pid 6824] dup(4 [pid 6820] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6829] set_robust_list(0x7fee5fb549a0, 24 [pid 6828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6825] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] <... set_robust_list resumed>) = 0 [pid 6828] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] <... futex resumed>) = 1 [pid 6829] rt_sigprocmask(SIG_SETMASK, [], [pid 6828] <... futex resumed>) = 0 [pid 6825] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6821] <... futex resumed>) = 0 [pid 6829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6828] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6821] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6827] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6826] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6824] <... dup resumed>) = 5 [pid 6822] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6821] <... futex resumed>) = 0 [pid 6827] <... futex resumed>) = 1 [pid 6826] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6824] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] <... futex resumed>) = 0 [pid 6822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6827] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6826] <... futex resumed>) = 0 [pid 6825] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6824] <... futex resumed>) = 1 [pid 6823] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6821] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6820] <... futex resumed>) = 0 [pid 6829] memfd_create("syzkaller", 0 [pid 6827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6826] dup(4 [pid 6825] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6824] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6823] <... futex resumed>) = 0 [pid 6822] <... futex resumed>) = 0 [pid 6820] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] <... memfd_create resumed>) = 3 [pid 6827] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6826] <... dup resumed>) = 5 [pid 6825] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6823] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6822] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6820] <... futex resumed>) = 0 [pid 6829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6827] <... openat resumed>) = 4 [pid 6826] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] <... futex resumed>) = 1 [pid 6824] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6821] <... futex resumed>) = 0 [pid 6820] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6829] <... mmap resumed>) = 0x7fee57600000 [pid 6827] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6826] <... futex resumed>) = 0 [pid 6821] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [ 108.134406][ T6827] loop1: detected capacity change from 0 to 256 [pid 6826] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6827] <... futex resumed>) = 1 [pid 6823] <... futex resumed>) = 0 [pid 6821] <... futex resumed>) = 0 [pid 6827] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6823] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6821] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6829] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6827] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6825] dup(4 [pid 6823] <... futex resumed>) = 0 [pid 6826] <... futex resumed>) = 0 [pid 6823] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6822] <... futex resumed>) = 1 [pid 6826] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6825] <... dup resumed>) = 5 [pid 6822] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6829] <... write resumed>) = 131072 [pid 6827] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] munmap(0x7fee57600000, 138412032 [pid 6827] <... futex resumed>) = 1 [pid 6825] <... futex resumed>) = 1 [pid 6823] <... futex resumed>) = 0 [pid 6821] <... futex resumed>) = 0 [pid 6829] <... munmap resumed>) = 0 [pid 6827] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6825] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6823] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6821] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6823] <... futex resumed>) = 0 [pid 6821] <... futex resumed>) = 0 [pid 6829] <... openat resumed>) = 4 [pid 6825] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6823] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6821] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6829] ioctl(4, LOOP_SET_FD, 3 [pid 6827] dup(4) = 5 [pid 6827] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6823] <... futex resumed>) = 0 [pid 6827] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6823] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6827] <... futex resumed>) = 0 [pid 6827] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6829] <... ioctl resumed>) = 0 [pid 6823] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6820] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6829] close(3) = 0 [pid 6829] close(4) = 0 [pid 6820] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6822] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6829] mkdir("./bus", 0777) = 0 [pid 6822] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] <... mmap resumed>) = 0x7fee5fb13000 [pid 6822] <... futex resumed>) = 0 [pid 6822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6820] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6822] <... mmap resumed>) = 0x7fee5fb13000 [pid 6820] <... mprotect resumed>) = 0 [pid 6829] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6820] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6822] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6820] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6829] <... mount resumed>) = 0 [pid 6820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6829] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6822] <... mprotect resumed>) = 0 [pid 6820] <... clone3 resumed> => {parent_tid=[6830]}, 88) = 6830 [pid 6829] chdir("./bus") = 0 [pid 6829] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6829] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6829] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6828] <... futex resumed>) = 0 [pid 6828] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] <... futex resumed>) = 0 [pid 6828] <... futex resumed>) = 1 [pid 6829] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME) = 4 [pid 6828] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6830 attached [pid 6829] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6828] <... futex resumed>) = 0 [pid 6829] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6828] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6828] <... futex resumed>) = 0 [pid 6829] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6830] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6829] <... futex resumed>) = 0 [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6829] dup(4 [pid 6828] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] <... dup resumed>) = 5 [pid 6828] <... futex resumed>) = 0 [pid 6829] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6829] <... futex resumed>) = 0 [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6830] <... rseq resumed>) = 0 [pid 6829] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6828] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] set_robust_list(0x7fee5fb339a0, 24 [pid 6829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6828] <... futex resumed>) = 0 [pid 6830] <... set_robust_list resumed>) = 0 [pid 6829] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [ 108.225191][ T6829] loop2: detected capacity change from 0 to 256 [pid 6828] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6822] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6820] rt_sigprocmask(SIG_SETMASK, [], [pid 6830] rt_sigprocmask(SIG_SETMASK, [], [pid 6821] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6821] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6820] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6822] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6820] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6821] <... futex resumed>) = 0 [pid 6830] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6822] <... clone3 resumed> => {parent_tid=[6831]}, 88) = 6831 [pid 6821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6822] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6831 attached NULL, 8) = 0 [pid 6821] <... mmap resumed>) = 0x7fee5fb13000 [pid 6822] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6821] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6822] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6821] <... mprotect resumed>) = 0 [pid 6821] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6831] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6821] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6831] <... rseq resumed>) = 0 [pid 6821] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6832 attached [pid 6831] set_robust_list(0x7fee5fb339a0, 24 [pid 6823] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6831] <... set_robust_list resumed>) = 0 [pid 6823] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6821] <... clone3 resumed> => {parent_tid=[6832]}, 88) = 6832 [pid 6831] rt_sigprocmask(SIG_SETMASK, [], [pid 6823] <... futex resumed>) = 0 [pid 6821] rt_sigprocmask(SIG_SETMASK, [], [pid 6831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6832] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6831] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6821] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6832] <... rseq resumed>) = 0 [pid 6821] <... futex resumed>) = 0 [pid 6832] set_robust_list(0x7fee5fb339a0, 24 [pid 6831] <... madvise resumed>) = 0 [pid 6830] <... madvise resumed>) = 0 [pid 6823] <... mmap resumed>) = 0x7fee5fb13000 [pid 6821] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6823] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6832] <... set_robust_list resumed>) = 0 [pid 6830] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6832] rt_sigprocmask(SIG_SETMASK, [], [pid 6830] <... futex resumed>) = 1 [pid 6820] <... futex resumed>) = 0 [pid 6832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6830] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6832] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6823] <... mprotect resumed>) = 0 [pid 6831] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6831] <... futex resumed>) = 1 [pid 6831] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6822] <... futex resumed>) = 0 [pid 6828] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6828] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6832] <... madvise resumed>) = 0 [pid 6828] <... mmap resumed>) = 0x7fee5fb13000 [pid 6823] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6828] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6832] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... mprotect resumed>) = 0 [pid 6832] <... futex resumed>) = 1 [pid 6828] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6821] <... futex resumed>) = 0 [pid 6832] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6828] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6823] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} => {parent_tid=[6834]}, 88) = 6834 [pid 6828] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6828] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6834 attached [pid 6828] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6834] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053) = 0 [pid 6834] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6823] <... clone3 resumed> => {parent_tid=[6833]}, 88) = 6833 [pid 6834] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6833 attached NULL, 8) = 0 [pid 6823] rt_sigprocmask(SIG_SETMASK, [], [pid 6834] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6833] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6833] <... rseq resumed>) = 0 [pid 6823] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] set_robust_list(0x7fee5fb339a0, 24 [pid 6823] <... futex resumed>) = 0 [pid 6833] <... set_robust_list resumed>) = 0 [pid 6823] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6833] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6833] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6834] <... madvise resumed>) = 0 [pid 6834] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6828] <... futex resumed>) = 0 [pid 6834] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6833] <... madvise resumed>) = 0 [pid 6825] <... mmap resumed>) = 0x20000000 [pid 6826] <... mmap resumed>) = 0x20000000 [pid 6829] <... mmap resumed>) = 0x20000000 [pid 6829] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] exit_group(0 [pid 6834] <... futex resumed>) = ? [pid 6828] <... exit_group resumed>) = ? [pid 6834] +++ exited with 0 +++ [pid 6829] <... futex resumed>) = ? [pid 6826] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6826] <... futex resumed>) = 0 [pid 6825] <... futex resumed>) = 0 [pid 6825] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6826] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6824] <... mmap resumed>) = 0x20000000 [pid 6824] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] exit_group(0 [pid 6821] exit_group(0 [pid 6824] <... futex resumed>) = 0 [pid 6832] <... futex resumed>) = ? [pid 6831] <... futex resumed>) = ? [pid 6825] <... futex resumed>) = ? [pid 6824] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6822] <... exit_group resumed>) = ? [pid 6821] <... exit_group resumed>) = ? [pid 6820] exit_group(0 [pid 6832] +++ exited with 0 +++ [pid 6831] +++ exited with 0 +++ [pid 6827] <... mmap resumed>) = 0x20000000 [pid 6825] +++ exited with 0 +++ [pid 6824] <... futex resumed>) = ? [pid 6823] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6821] +++ exited with 0 +++ [pid 6820] <... exit_group resumed>) = ? [pid 6829] +++ exited with 0 +++ [pid 6828] +++ exited with 0 +++ [pid 6824] +++ exited with 0 +++ [pid 6830] <... futex resumed>) = ? [pid 6833] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6827] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6826] <... futex resumed>) = ? [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6821, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6828, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6833] <... futex resumed>) = 0 [pid 6827] <... futex resumed>) = 0 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6833] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6827] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6823] exit_group(0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6833] <... futex resumed>) = ? [pid 6830] +++ exited with 0 +++ [pid 6827] <... futex resumed>) = ? [pid 6823] <... exit_group resumed>) = ? [pid 6820] +++ exited with 0 +++ [pid 5838] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6833] +++ exited with 0 +++ [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6820, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5838] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5840] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] <... openat resumed>) = 3 [pid 5838] newfstatat(3, "", [pid 5840] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5838] getdents64(3, [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] getdents64(3, [pid 5838] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... restart_syscall resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./67/binderfs" [pid 5840] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... openat resumed>) = 3 [pid 5840] newfstatat(AT_FDCWD, "./66/binderfs", [pid 5836] newfstatat(3, "", [pid 6826] +++ exited with 0 +++ [pid 6822] +++ exited with 0 +++ [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6822, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] getdents64(3, [pid 5838] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] unlink("./66/binderfs" [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./67/bus", [pid 5836] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./66/binderfs", [pid 5838] openat(AT_FDCWD, "./67/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(4, "", [pid 5836] unlink("./66/binderfs" [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... unlink resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(4, [pid 5836] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... restart_syscall resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./66/bus", [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... umount2 resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] getdents64(4, [pid 5836] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] close(4 [pid 5836] newfstatat(AT_FDCWD, "./66/bus", [pid 5840] openat(AT_FDCWD, "./66/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... openat resumed>) = 3 [pid 5838] <... close resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... openat resumed>) = 4 [pid 5839] newfstatat(3, "", [pid 5838] rmdir("./67/bus" [pid 5836] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(4, "", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] openat(AT_FDCWD, "./66/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] getdents64(4, [pid 5839] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... openat resumed>) = 4 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(3, [pid 5836] newfstatat(4, "", [pid 5840] getdents64(4, [pid 5839] newfstatat(AT_FDCWD, "./66/binderfs", [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] close(3 [pid 5836] getdents64(4, [pid 5840] close(4 [pid 5839] unlink("./66/binderfs" [pid 5838] <... close resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] <... close resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] rmdir("./67" [pid 5836] getdents64(4, [pid 5840] rmdir("./66/bus" [pid 5839] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... rmdir resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5839] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./66/bus", [pid 5836] close(4 [pid 5840] getdents64(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] mkdir("./68", 0777 [pid 5836] <... close resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... mkdir resumed>) = 0 [pid 5836] rmdir("./66/bus" [pid 5840] close(3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./66/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5836] <... rmdir resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] newfstatat(4, "", [pid 5840] rmdir("./66" [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] getdents64(4, [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5836] getdents64(3, [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] getdents64(4, [pid 5838] <... openat resumed>) = 3 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] mkdir("./67", 0777 [pid 5839] close(4 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5836] close(3 [pid 5839] <... close resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] rmdir("./66/bus" [pid 5838] close(3 [pid 5836] rmdir("./66" [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] getdents64(3, [pid 5840] <... openat resumed>) = 3 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] close(3 [pid 5840] <... ioctl resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5840] close(3 [pid 5839] rmdir("./66" [pid 5840] <... close resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5836] mkdir("./67", 0777 [pid 5839] mkdir("./67", 0777 [pid 5836] <... mkdir resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5836] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6836 attached [pid 5839] <... openat resumed>) = 3 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5836] <... ioctl resumed>) = 0 [pid 5839] <... ioctl resumed>) = 0 [pid 5836] close(3 [pid 5839] close(3 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6835 [pid 6836] set_robust_list(0x55557a9486a0, 24) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6836 [pid 6836] chdir("./67") = 0 ./strace-static-x86_64: Process 6835 attached [pid 5839] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 6835] set_robust_list(0x55557a9486a0, 24) = 0 [pid 6835] chdir("./68" [pid 6836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6835] <... chdir resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6827] +++ exited with 0 +++ [pid 6823] +++ exited with 0 +++ [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6837 attached [pid 6835] <... prctl resumed>) = 0 [pid 6836] <... prctl resumed>) = 0 [pid 6835] setpgid(0, 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6823, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6835] <... setpgid resumed>) = 0 [pid 6837] set_robust_list(0x55557a9486a0, 24 [pid 6836] setpgid(0, 0 [pid 6835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6836] <... setpgid resumed>) = 0 [pid 6835] <... openat resumed>) = 3 [pid 6836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6835] write(3, "1000", 4 [pid 5837] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6835] <... write resumed>) = 4 [pid 6836] <... openat resumed>) = 3 [pid 6835] close(3 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6837 [pid 6835] <... close resumed>) = 0 executing program [pid 6836] write(3, "1000", 4 [pid 6835] symlink("/dev/binderfs", "./binderfs" [pid 5837] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6837] <... set_robust_list resumed>) = 0 [pid 6836] <... write resumed>) = 4 [pid 5837] <... openat resumed>) = 3 [pid 6835] <... symlink resumed>) = 0 [pid 6836] close(3 [pid 6835] write(1, "executing program\n", 18 [pid 5837] newfstatat(3, "", [pid 6837] chdir("./67" [pid 6835] <... write resumed>) = 18 [pid 6837] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 6838 attached [pid 6837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6836] <... close resumed>) = 0 [pid 6835] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6838] set_robust_list(0x55557a9486a0, 24 [pid 6837] <... prctl resumed>) = 0 [pid 6836] symlink("/dev/binderfs", "./binderfs" [pid 6835] <... futex resumed>) = 0 [pid 5837] getdents64(3, [pid 6838] <... set_robust_list resumed>) = 0 executing program [pid 6836] <... symlink resumed>) = 0 [pid 6835] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6838 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6838] chdir("./67" [pid 6837] setpgid(0, 0 [pid 6836] write(1, "executing program\n", 18 [pid 6837] <... setpgid resumed>) = 0 [pid 6836] <... write resumed>) = 18 [pid 6835] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5837] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6838] <... chdir resumed>) = 0 [pid 6837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6836] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6837] <... openat resumed>) = 3 [pid 6836] <... futex resumed>) = 0 [pid 6835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6836] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5837] newfstatat(AT_FDCWD, "./66/binderfs", [pid 6837] write(3, "1000", 4 [pid 6836] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6835] <... mmap resumed>) = 0x7fee5fb34000 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6837] <... write resumed>) = 4 [pid 6836] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6835] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] unlink("./66/binderfs" [pid 6838] <... prctl resumed>) = 0 [pid 6837] close(3 [pid 6836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6835] <... mprotect resumed>) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 6838] setpgid(0, 0 [pid 6837] <... close resumed>) = 0 [pid 6836] <... mmap resumed>) = 0x7fee5fb34000 [pid 5837] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6838] <... setpgid resumed>) = 0 [pid 6837] symlink("/dev/binderfs", "./binderfs" [pid 6836] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6835] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] <... umount2 resumed>) = 0 [pid 6838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6836] <... mprotect resumed>) = 0 [pid 6835] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6837] <... symlink resumed>) = 0 executing program [pid 6837] write(1, "executing program\n", 18 [pid 6836] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6839 attached [pid 6838] <... openat resumed>) = 3 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6838] write(3, "1000", 4 [pid 6836] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6838] <... write resumed>) = 4 [pid 6836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6838] close(3) = 0 [pid 6835] <... clone3 resumed> => {parent_tid=[6839]}, 88) = 6839 [pid 5837] newfstatat(AT_FDCWD, "./66/bus", ./strace-static-x86_64: Process 6840 attached [pid 6839] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6838] symlink("/dev/binderfs", "./binderfs" [pid 6837] <... write resumed>) = 18 [pid 6836] <... clone3 resumed> => {parent_tid=[6840]}, 88) = 6840 [pid 6835] rt_sigprocmask(SIG_SETMASK, [], [pid 6840] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6839] <... rseq resumed>) = 0 [pid 6838] <... symlink resumed>) = 0 [pid 6835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6840] <... rseq resumed>) = 0 [pid 6839] set_robust_list(0x7fee5fb549a0, 24 [pid 6837] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6840] set_robust_list(0x7fee5fb549a0, 24 [pid 6837] <... futex resumed>) = 0 [pid 6835] <... futex resumed>) = 0 [pid 6840] <... set_robust_list resumed>) = 0 [pid 6839] <... set_robust_list resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6835] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] openat(AT_FDCWD, "./66/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6840] rt_sigprocmask(SIG_SETMASK, [], [pid 6839] rt_sigprocmask(SIG_SETMASK, [], [pid 6840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... openat resumed>) = 4 [pid 6840] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6839] memfd_create("syzkaller", 0 [pid 6838] write(1, "executing program\n", 18executing program [pid 6836] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] newfstatat(4, "", [pid 6838] <... write resumed>) = 18 [pid 6837] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6839] <... memfd_create resumed>) = 3 [pid 6838] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6836] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6840] <... futex resumed>) = 0 [pid 6839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6838] <... futex resumed>) = 0 [pid 6837] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6836] <... futex resumed>) = 1 [pid 5837] getdents64(4, [pid 6840] memfd_create("syzkaller", 0 [pid 6839] <... mmap resumed>) = 0x7fee57600000 [pid 6838] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6836] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6838] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6839] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6840] <... memfd_create resumed>) = 3 [pid 6838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6838] <... mmap resumed>) = 0x7fee5fb34000 [pid 6837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6840] <... mmap resumed>) = 0x7fee57600000 [pid 6838] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6837] <... mmap resumed>) = 0x7fee5fb34000 [pid 6838] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6841 attached [pid 6840] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6837] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5837] getdents64(4, [pid 6841] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6838] <... clone3 resumed> => {parent_tid=[6841]}, 88) = 6841 [pid 6841] <... rseq resumed>) = 0 [pid 6838] rt_sigprocmask(SIG_SETMASK, [], [pid 6837] <... mprotect resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6841] set_robust_list(0x7fee5fb549a0, 24 [pid 6838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6838] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6838] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6839] <... write resumed>) = 131072 [pid 5837] close(4 [pid 6841] <... set_robust_list resumed>) = 0 [pid 6841] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6837] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6841] memfd_create("syzkaller", 0 [pid 5837] <... close resumed>) = 0 [pid 6841] <... memfd_create resumed>) = 3 [pid 6841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5837] rmdir("./66/bus" [pid 6841] <... mmap resumed>) = 0x7fee57600000 [pid 6841] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6837] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 6840] <... write resumed>) = 131072 [pid 6839] munmap(0x7fee57600000, 138412032 [pid 6837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5837] getdents64(3, [pid 6839] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6842 attached [pid 6839] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6840] munmap(0x7fee57600000, 138412032 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6842] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6841] <... write resumed>) = 131072 [pid 6840] <... munmap resumed>) = 0 [pid 6839] <... openat resumed>) = 4 [pid 6837] <... clone3 resumed> => {parent_tid=[6842]}, 88) = 6842 [pid 5837] close(3 [pid 6842] <... rseq resumed>) = 0 [pid 6840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6839] ioctl(4, LOOP_SET_FD, 3 [pid 6837] rt_sigprocmask(SIG_SETMASK, [], [pid 6842] set_robust_list(0x7fee5fb549a0, 24 [pid 5837] <... close resumed>) = 0 [pid 6841] munmap(0x7fee57600000, 138412032 [pid 6842] <... set_robust_list resumed>) = 0 [pid 6840] <... openat resumed>) = 4 [pid 6839] <... ioctl resumed>) = 0 [pid 6837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] rmdir("./66" [pid 6839] close(3) = 0 [pid 6842] rt_sigprocmask(SIG_SETMASK, [], [pid 6840] ioctl(4, LOOP_SET_FD, 3 [pid 6837] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6837] <... futex resumed>) = 0 [pid 6837] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6842] memfd_create("syzkaller", 0 [pid 6839] close(4 [pid 6841] <... munmap resumed>) = 0 [pid 6839] <... close resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 6839] mkdir("./bus", 0777) = 0 [pid 6839] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6842] <... memfd_create resumed>) = 3 [pid 6841] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6840] <... ioctl resumed>) = 0 [pid 5837] mkdir("./67", 0777 [pid 6842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6841] <... openat resumed>) = 4 [pid 6840] close(3 [pid 6842] <... mmap resumed>) = 0x7fee57600000 [pid 5837] <... mkdir resumed>) = 0 [pid 6842] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6841] ioctl(4, LOOP_SET_FD, 3 [pid 6840] <... close resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6842] <... write resumed>) = 131072 [pid 6839] <... mount resumed>) = 0 [pid 6839] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6839] chdir("./bus") = 0 [pid 6842] munmap(0x7fee57600000, 138412032 [pid 6839] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6840] close(4 [pid 6839] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5837] <... openat resumed>) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6839] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] <... close resumed>) = 0 [pid 6839] <... futex resumed>) = 1 [pid 6835] <... futex resumed>) = 0 [pid 5837] <... ioctl resumed>) = 0 [pid 6839] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6835] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6835] <... futex resumed>) = 0 [pid 6839] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6835] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6839] <... openat resumed>) = 4 [pid 6839] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6835] <... futex resumed>) = 0 [pid 6839] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6835] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6835] <... futex resumed>) = 0 [pid 6842] <... munmap resumed>) = 0 [pid 6839] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6835] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6839] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6840] mkdir("./bus", 0777 [ 108.586249][ T6839] loop2: detected capacity change from 0 to 256 [ 108.599955][ T6840] loop4: detected capacity change from 0 to 256 [ 108.619233][ T6841] loop3: detected capacity change from 0 to 256 [pid 5837] close(3 [pid 6842] <... openat resumed>) = 4 [pid 6839] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] <... ioctl resumed>) = 0 [pid 6840] <... mkdir resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 6842] ioctl(4, LOOP_SET_FD, 3 [pid 6841] close(3 [pid 6840] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6839] <... futex resumed>) = 1 [pid 6835] <... futex resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6841] <... close resumed>) = 0 [pid 6841] close(4) = 0 [pid 6839] dup(4 [pid 6835] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] mkdir("./bus", 0777 [pid 6839] <... dup resumed>) = 5 [pid 6835] <... futex resumed>) = 0 [pid 6839] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6839] <... futex resumed>) = 0 [pid 6835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6844 attached [pid 6841] <... mkdir resumed>) = 0 [pid 6839] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6835] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6835] <... futex resumed>) = 0 [pid 6844] set_robust_list(0x55557a9486a0, 24) = 0 [pid 6844] chdir("./67" [pid 6835] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6844] <... chdir resumed>) = 0 [pid 6844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6844 [pid 6844] <... prctl resumed>) = 0 [pid 6844] setpgid(0, 0 [pid 6840] <... mount resumed>) = 0 [pid 6844] <... setpgid resumed>) = 0 [pid 6844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6842] <... ioctl resumed>) = 0 [pid 6844] <... openat resumed>) = 3 [pid 6841] <... mount resumed>) = 0 [pid 6840] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6844] write(3, "1000", 4 [pid 6841] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6840] <... openat resumed>) = 3 [pid 6841] <... openat resumed>) = 3 [pid 6840] chdir("./bus" [pid 6844] <... write resumed>) = 4 [pid 6840] <... chdir resumed>) = 0 [pid 6844] close(3 [pid 6841] chdir("./bus" [pid 6840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6844] <... close resumed>) = 0 [pid 6844] symlink("/dev/binderfs", "./binderfs" [pid 6841] <... chdir resumed>) = 0 [pid 6840] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6844] <... symlink resumed>) = 0 [pid 6841] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6840] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] write(1, "executing program\n", 18 [pid 6840] <... futex resumed>) = 1 [pid 6841] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6836] <... futex resumed>) = 0 [pid 6844] <... write resumed>) = 18 [pid 6841] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6836] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... futex resumed>) = 0 [pid 6836] <... futex resumed>) = 0 [pid 6841] <... futex resumed>) = 1 [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6838] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6836] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6844] <... futex resumed>) = 0 [pid 6840] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6838] <... futex resumed>) = 0 [pid 6841] <... openat resumed>) = 4 [pid 6844] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6838] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6841] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] <... openat resumed>) = 4 [pid 6841] <... futex resumed>) = 0 [pid 6838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6844] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6841] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6842] close(3 [pid 6840] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [ 108.648440][ T6842] loop0: detected capacity change from 0 to 256 [pid 6844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6842] <... close resumed>) = 0 [pid 6840] <... futex resumed>) = 1 [pid 6838] <... futex resumed>) = 1 [pid 6836] <... futex resumed>) = 0 [pid 6841] <... futex resumed>) = 0 [pid 6836] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6840] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6838] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6836] <... futex resumed>) = 0 [pid 6844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6841] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6840] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6836] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6844] <... mmap resumed>) = 0x7fee5fb34000 [pid 6841] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6844] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6841] <... futex resumed>) = 1 [pid 6840] <... futex resumed>) = 0 [pid 6838] <... futex resumed>) = 0 [pid 6836] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6840] dup(4 [pid 6838] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] <... mprotect resumed>) = 0 [pid 6841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6840] <... dup resumed>) = 5 [pid 6838] <... futex resumed>) = 0 [pid 6836] <... futex resumed>) = 0 [pid 6842] close(4 [pid 6841] dup(4 [pid 6838] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6844] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6842] <... close resumed>) = 0 [pid 6840] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6842] mkdir("./bus", 0777 [pid 6840] <... futex resumed>) = 0 [pid 6836] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6842] <... mkdir resumed>) = 0 [pid 6841] <... dup resumed>) = 5 [pid 6842] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6835] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6842] <... mount resumed>) = 0 [pid 6835] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6841] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6835] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6845 attached [pid 6842] <... openat resumed>) = 3 [pid 6835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6845] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6844] <... clone3 resumed> => {parent_tid=[6845]}, 88) = 6845 [pid 6842] chdir("./bus" [pid 6841] <... futex resumed>) = 1 [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6838] <... futex resumed>) = 0 [pid 6836] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... rseq resumed>) = 0 [pid 6844] rt_sigprocmask(SIG_SETMASK, [], [pid 6842] <... chdir resumed>) = 0 [pid 6841] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6840] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6838] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] <... futex resumed>) = 0 [pid 6835] <... mmap resumed>) = 0x7fee5fb13000 [pid 6845] set_robust_list(0x7fee5fb549a0, 24 [pid 6844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6835] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6845] <... set_robust_list resumed>) = 0 [pid 6844] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6838] <... futex resumed>) = 0 [pid 6836] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] rt_sigprocmask(SIG_SETMASK, [], [pid 6844] <... futex resumed>) = 0 [pid 6842] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... mprotect resumed>) = 0 [pid 6845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6842] <... futex resumed>) = 1 [pid 6841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6838] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6837] <... futex resumed>) = 0 [pid 6845] memfd_create("syzkaller", 0 [pid 6844] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6842] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6841] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6837] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6845] <... memfd_create resumed>) = 3 [pid 6842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6837] <... futex resumed>) = 0 [pid 6842] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6835] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6842] <... openat resumed>) = 4 [pid 6837] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6846 attached [pid 6845] <... mmap resumed>) = 0x7fee57600000 [pid 6842] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6845] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6842] <... futex resumed>) = 0 [pid 6837] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... clone3 resumed> => {parent_tid=[6846]}, 88) = 6846 [pid 6842] fcntl(-1, F_SETLEASE, F_WRLCK) = -1 EBADF (Bad file descriptor) [pid 6837] <... futex resumed>) = 0 [pid 6835] rt_sigprocmask(SIG_SETMASK, [], [pid 6846] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6842] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] <... futex resumed>) = 0 [pid 6837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6845] <... write resumed>) = 131072 [pid 6842] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6837] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6837] <... futex resumed>) = 0 [pid 6842] dup(4 [pid 6837] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] <... dup resumed>) = 5 [pid 6835] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... futex resumed>) = 0 [pid 6842] <... futex resumed>) = 1 [pid 6837] <... futex resumed>) = 0 [pid 6835] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] munmap(0x7fee57600000, 138412032 [pid 6842] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6846] <... rseq resumed>) = 0 [pid 6845] <... munmap resumed>) = 0 [pid 6842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6837] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6846] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6845] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6842] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6837] <... futex resumed>) = 0 [pid 6846] rt_sigprocmask(SIG_SETMASK, [], [pid 6845] <... openat resumed>) = 4 [pid 6837] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6845] ioctl(4, LOOP_SET_FD, 3 [pid 6846] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6845] <... ioctl resumed>) = 0 [pid 6846] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6836] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6836] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6846] <... futex resumed>) = 1 [pid 6835] <... futex resumed>) = 0 [pid 6846] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6838] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] <... futex resumed>) = 0 [pid 6838] <... futex resumed>) = 0 [pid 6836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6836] <... mmap resumed>) = 0x7fee5fb13000 [pid 6845] close(3 [pid 6836] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6845] <... close resumed>) = 0 [pid 6836] <... mprotect resumed>) = 0 [pid 6845] close(4 [pid 6838] <... mmap resumed>) = 0x7fee5fb13000 [pid 6845] <... close resumed>) = 0 [pid 6838] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6845] mkdir("./bus", 0777 [pid 6838] <... mprotect resumed>) = 0 [pid 6836] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6845] <... mkdir resumed>) = 0 [pid 6845] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6838] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6836] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6838] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6845] <... mount resumed>) = 0 [pid 6845] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6845] <... openat resumed>) = 3 [pid 6837] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6845] chdir("./bus" [pid 6838] <... clone3 resumed> => {parent_tid=[6849]}, 88) = 6849 [pid 6837] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... chdir resumed>) = 0 [pid 6837] <... futex resumed>) = 0 [pid 6845] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6849 attached ./strace-static-x86_64: Process 6848 attached [pid 6845] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6838] rt_sigprocmask(SIG_SETMASK, [], [pid 6837] <... mmap resumed>) = 0x7fee5fb13000 [pid 6836] <... clone3 resumed> => {parent_tid=[6848]}, 88) = 6848 [ 108.762936][ T6845] loop1: detected capacity change from 0 to 256 [pid 6849] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6848] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6845] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6837] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6849] <... rseq resumed>) = 0 [pid 6848] <... rseq resumed>) = 0 [pid 6838] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] rt_sigprocmask(SIG_SETMASK, [], [pid 6849] set_robust_list(0x7fee5fb339a0, 24 [pid 6848] set_robust_list(0x7fee5fb339a0, 24 [pid 6838] <... futex resumed>) = 0 [pid 6836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6849] <... set_robust_list resumed>) = 0 [pid 6848] <... set_robust_list resumed>) = 0 [pid 6838] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6836] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] rt_sigprocmask(SIG_SETMASK, [], [pid 6848] rt_sigprocmask(SIG_SETMASK, [], [pid 6836] <... futex resumed>) = 0 [pid 6849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6836] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6849] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6848] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6849] <... madvise resumed>) = 0 [pid 6845] <... futex resumed>) = 1 [pid 6844] <... futex resumed>) = 0 [pid 6837] <... mprotect resumed>) = 0 [pid 6848] <... madvise resumed>) = 0 [pid 6845] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6844] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6844] <... futex resumed>) = 0 [pid 6837] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6845] <... openat resumed>) = 4 [pid 6845] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6845] <... futex resumed>) = 0 [pid 6844] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6837] <... clone3 resumed> => {parent_tid=[6850]}, 88) = 6850 [pid 6845] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6844] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6850 attached [pid 6845] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6837] rt_sigprocmask(SIG_SETMASK, [], [pid 6850] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6845] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6850] <... rseq resumed>) = 0 [pid 6849] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6848] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... futex resumed>) = 1 [pid 6844] <... futex resumed>) = 0 [pid 6837] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6850] set_robust_list(0x7fee5fb339a0, 24 [pid 6849] <... futex resumed>) = 1 [pid 6848] <... futex resumed>) = 1 [pid 6845] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6844] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... futex resumed>) = 0 [pid 6837] <... futex resumed>) = 0 [pid 6836] <... futex resumed>) = 0 [pid 6850] <... set_robust_list resumed>) = 0 [pid 6849] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6848] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6844] <... futex resumed>) = 0 [pid 6837] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6850] rt_sigprocmask(SIG_SETMASK, [], [pid 6845] dup(4 [pid 6844] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6845] <... dup resumed>) = 5 [pid 6850] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6845] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6845] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6844] <... futex resumed>) = 0 [pid 6844] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... futex resumed>) = 0 [pid 6844] <... futex resumed>) = 1 [pid 6845] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6844] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6850] <... madvise resumed>) = 0 [pid 6850] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6837] <... futex resumed>) = 0 [pid 6850] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6844] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6844] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6844] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6844] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6851 attached => {parent_tid=[6851]}, 88) = 6851 [pid 6851] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6844] rt_sigprocmask(SIG_SETMASK, [], [pid 6851] <... rseq resumed>) = 0 [pid 6844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6851] set_robust_list(0x7fee5fb339a0, 24 [pid 6844] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] <... set_robust_list resumed>) = 0 [pid 6844] <... futex resumed>) = 0 [pid 6851] rt_sigprocmask(SIG_SETMASK, [], [pid 6844] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6845] <... mmap resumed>) = 0x20000000 [pid 6842] <... mmap resumed>) = 0x20000000 [pid 6839] <... mmap resumed>) = 0x20000000 [pid 6851] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6840] <... mmap resumed>) = 0x20000000 [pid 6841] <... mmap resumed>) = 0x20000000 [pid 6842] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6839] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] exit_group(0 [pid 6846] <... futex resumed>) = ? [pid 6845] <... futex resumed>) = 0 [pid 6842] <... futex resumed>) = 0 [pid 6841] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] <... futex resumed>) = 0 [pid 6839] <... futex resumed>) = ? [pid 6837] exit_group(0 [pid 6835] <... exit_group resumed>) = ? [pid 6851] <... madvise resumed>) = 0 [pid 6850] <... futex resumed>) = ? [pid 6846] +++ exited with 0 +++ [pid 6845] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6841] <... futex resumed>) = 0 [pid 6840] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6839] +++ exited with 0 +++ [pid 6837] <... exit_group resumed>) = ? [pid 6836] exit_group(0 [pid 6850] +++ exited with 0 +++ [pid 6842] +++ exited with 0 +++ [pid 6841] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6840] <... futex resumed>) = ? [pid 6836] <... exit_group resumed>) = ? [pid 6840] +++ exited with 0 +++ [pid 6848] <... futex resumed>) = ? [pid 6838] exit_group(0 [pid 6851] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] <... futex resumed>) = ? [pid 6838] <... exit_group resumed>) = ? [pid 6851] <... futex resumed>) = 1 [pid 6849] <... futex resumed>) = ? [pid 6844] <... futex resumed>) = 0 [pid 6841] +++ exited with 0 +++ [pid 6851] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6849] +++ exited with 0 +++ [pid 6844] exit_group(0 [pid 6838] +++ exited with 0 +++ [pid 6837] +++ exited with 0 +++ [pid 6851] <... futex resumed>) = ? [pid 6845] <... futex resumed>) = ? [pid 6844] <... exit_group resumed>) = ? [pid 6845] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6838, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6837, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5836] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5839] <... restart_syscall resumed>) = 0 [pid 5836] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... openat resumed>) = 3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(3, "", [pid 5839] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... openat resumed>) = 3 [pid 5836] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(3, "", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] newfstatat(AT_FDCWD, "./67/binderfs", [pid 5839] getdents64(3, [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6851] +++ exited with 0 +++ [pid 6848] +++ exited with 0 +++ [pid 6844] +++ exited with 0 +++ [pid 6836] +++ exited with 0 +++ [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] unlink("./67/binderfs" [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6836, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5839] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6844, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5836] <... unlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5836] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... restart_syscall resumed>) = 0 [pid 5840] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./67/binderfs", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... umount2 resumed>) = 0 [pid 5840] getdents64(3, [pid 5837] <... openat resumed>) = 3 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] newfstatat(3, "", [pid 5836] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./67/binderfs" [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 5836] newfstatat(AT_FDCWD, "./67/bus", [pid 5840] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] getdents64(3, [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(AT_FDCWD, "./67/binderfs", [pid 5839] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] unlink("./67/binderfs" [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./67/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5840] <... unlink resumed>) = 0 [pid 5836] newfstatat(4, "", [pid 5839] <... umount2 resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] getdents64(4, [pid 5840] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./67/binderfs", [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] newfstatat(AT_FDCWD, "./67/bus", [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] getdents64(4, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./67/binderfs" [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] <... umount2 resumed>) = 0 [pid 5839] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] close(4 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./67/bus", [pid 5839] openat(AT_FDCWD, "./67/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... close resumed>) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... openat resumed>) = 4 [pid 5837] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] rmdir("./67/bus" [pid 5840] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(4, "", [pid 5836] <... rmdir resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] openat(AT_FDCWD, "./67/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] getdents64(4, [pid 5840] <... openat resumed>) = 4 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] getdents64(3, [pid 5840] newfstatat(4, "", [pid 5839] getdents64(4, [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] close(3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... close resumed>) = 0 [pid 5839] close(4 [pid 5840] getdents64(4, [pid 5836] rmdir("./67" [pid 5839] <... close resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] rmdir("./67/bus" [pid 5840] getdents64(4, [pid 5836] <... rmdir resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5840] close(4 [pid 5836] mkdir("./68", 0777 [pid 5840] <... close resumed>) = 0 [pid 5839] getdents64(3, [pid 5840] rmdir("./67/bus") = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 5839] close(3 [pid 5840] getdents64(3, [pid 5839] <... close resumed>) = 0 [pid 5839] rmdir("./67" [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5837] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... mkdir resumed>) = 0 [pid 5840] close(3 [pid 5839] mkdir("./68", 0777 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5840] <... close resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./67/bus", [pid 5836] <... openat resumed>) = 3 [pid 5840] rmdir("./67" [pid 5839] <... mkdir resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5836] <... ioctl resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5837] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] close(3 [pid 5839] <... openat resumed>) = 3 [pid 5840] mkdir("./68", 0777 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5836] <... close resumed>) = 0 [pid 5837] openat(AT_FDCWD, "./67/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... ioctl resumed>) = 0 [pid 5837] <... openat resumed>) = 4 [pid 5839] close(3./strace-static-x86_64: Process 6852 attached [pid 6835] +++ exited with 0 +++ [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] <... close resumed>) = 0 [pid 5837] newfstatat(4, "", [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6852 [pid 6852] set_robust_list(0x55557a9486a0, 24 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6852] <... set_robust_list resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6835, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5837] getdents64(4, ./strace-static-x86_64: Process 6853 attached [pid 6852] chdir("./68" [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] <... ioctl resumed>) = 0 [pid 5837] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] close(3 [pid 5837] close(4 [pid 6853] set_robust_list(0x55557a9486a0, 24 [pid 6852] <... chdir resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6853 [pid 5838] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... close resumed>) = 0 [pid 6853] <... set_robust_list resumed>) = 0 [pid 6852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6853] chdir("./68" [pid 6852] <... prctl resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] rmdir("./67/bus" [pid 6853] <... chdir resumed>) = 0 [pid 6852] setpgid(0, 0 [pid 6853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6852] <... setpgid resumed>) = 0 [pid 6853] <... prctl resumed>) = 0 [pid 6853] setpgid(0, 0 [pid 6852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... rmdir resumed>) = 0 [pid 6853] <... setpgid resumed>) = 0 [pid 6852] <... openat resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 5837] getdents64(3, [pid 6853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] newfstatat(3, "", [pid 6853] <... openat resumed>) = 3 [pid 6852] write(3, "1000", 4 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6852] <... write resumed>) = 4 [pid 5837] close(3 [pid 6853] write(3, "1000", 4 [pid 6852] close(3 [pid 6853] <... write resumed>) = 4 [pid 6852] <... close resumed>) = 0 [pid 6853] close(3./strace-static-x86_64: Process 6854 attached ) = 0 [pid 6852] symlink("/dev/binderfs", "./binderfs" [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6854 [pid 5838] getdents64(3, [pid 5837] <... close resumed>) = 0 [pid 6854] set_robust_list(0x55557a9486a0, 24 [pid 6853] symlink("/dev/binderfs", "./binderfs" [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] rmdir("./67" [pid 6854] <... set_robust_list resumed>) = 0 [pid 5838] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... rmdir resumed>) = 0 [pid 6854] chdir("./68" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6854] <... chdir resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./68/binderfs", [pid 5837] mkdir("./68", 0777 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] unlink("./68/binderfs" [pid 5837] <... mkdir resumed>) = 0 [pid 6854] <... prctl resumed>) = 0 [pid 6853] <... symlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6854] setpgid(0, 0) = 0 [pid 5838] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6852] <... symlink resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 6854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [pid 6854] <... openat resumed>) = 3 [pid 5837] close(3executing program [pid 6854] write(3, "1000", 4 [pid 6852] write(1, "executing program\n", 18 [pid 5837] <... close resumed>) = 0 [pid 6854] <... write resumed>) = 4 [pid 6852] <... write resumed>) = 18 [pid 6854] close(3 [pid 6852] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] <... close resumed>) = 0 [pid 6852] <... futex resumed>) = 0 [pid 6854] symlink("/dev/binderfs", "./binderfs" [pid 6852] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5838] <... umount2 resumed>) = 0 [pid 6854] <... symlink resumed>) = 0 [pid 6852] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6854] write(1, "executing program\n", 18 [pid 6853] write(1, "executing program\n", 18 [pid 6852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program executing program ./strace-static-x86_64: Process 6855 attached [pid 6854] <... write resumed>) = 18 [pid 6853] <... write resumed>) = 18 [pid 6852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6855] set_robust_list(0x55557a9486a0, 24 [pid 6853] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6855] <... set_robust_list resumed>) = 0 [pid 6854] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... futex resumed>) = 0 [pid 6852] <... mmap resumed>) = 0x7fee5fb34000 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6855] chdir("./68" [pid 6854] <... futex resumed>) = 0 [pid 6853] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6852] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5838] newfstatat(AT_FDCWD, "./68/bus", [pid 6855] <... chdir resumed>) = 0 [pid 6854] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6853] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6852] <... mprotect resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6855 [pid 6855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6854] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6853] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6852] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6855] <... prctl resumed>) = 0 [pid 6854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6852] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5838] openat(AT_FDCWD, "./68/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6856 attached [pid 6855] setpgid(0, 0 [pid 6854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5838] <... openat resumed>) = 4 [pid 6856] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6855] <... setpgid resumed>) = 0 [pid 6854] <... mmap resumed>) = 0x7fee5fb34000 [pid 6853] <... mmap resumed>) = 0x7fee5fb34000 [pid 6852] <... clone3 resumed> => {parent_tid=[6856]}, 88) = 6856 [pid 5838] newfstatat(4, "", [pid 6856] <... rseq resumed>) = 0 [pid 6855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6854] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6853] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6852] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6856] set_robust_list(0x7fee5fb549a0, 24 [pid 6854] <... mprotect resumed>) = 0 [pid 6852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] getdents64(4, [pid 6856] <... set_robust_list resumed>) = 0 [pid 6854] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6853] <... mprotect resumed>) = 0 [pid 6852] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6856] rt_sigprocmask(SIG_SETMASK, [], [pid 6852] <... futex resumed>) = 0 [pid 6856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6855] <... openat resumed>) = 3 [pid 6854] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6852] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5838] getdents64(4, [pid 6856] memfd_create("syzkaller", 0 [pid 6855] write(3, "1000", 4 [pid 6854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6853] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6857 attached [pid 6855] <... write resumed>) = 4 [pid 6853] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] close(4 [pid 6854] <... clone3 resumed> => {parent_tid=[6857]}, 88) = 6857 [pid 5838] <... close resumed>) = 0 [pid 6856] <... memfd_create resumed>) = 3 [pid 6854] rt_sigprocmask(SIG_SETMASK, [], [pid 6857] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] rmdir("./68/bus" [pid 6857] <... rseq resumed>) = 0 [pid 6856] <... mmap resumed>) = 0x7fee57600000 [pid 6854] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] set_robust_list(0x7fee5fb549a0, 24 [pid 5838] <... rmdir resumed>) = 0 [pid 6854] <... futex resumed>) = 0 [pid 6857] <... set_robust_list resumed>) = 0 [pid 6854] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6857] rt_sigprocmask(SIG_SETMASK, [], [pid 6856] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6855] close(3 [pid 6853] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6855] <... close resumed>) = 0 [pid 5838] getdents64(3, ./strace-static-x86_64: Process 6858 attached [pid 6855] symlink("/dev/binderfs", "./binderfs" [pid 6858] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6857] memfd_create("syzkaller", 0 [pid 6855] <... symlink resumed>) = 0 executing program [pid 6853] <... clone3 resumed> => {parent_tid=[6858]}, 88) = 6858 [pid 6858] <... rseq resumed>) = 0 [pid 6857] <... memfd_create resumed>) = 3 [pid 6855] write(1, "executing program\n", 18 [pid 6853] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6858] set_robust_list(0x7fee5fb549a0, 24 [pid 6857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6856] <... write resumed>) = 131072 [pid 6855] <... write resumed>) = 18 [pid 6853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6858] <... set_robust_list resumed>) = 0 [pid 6857] <... mmap resumed>) = 0x7fee57600000 [pid 5838] close(3 [pid 6858] rt_sigprocmask(SIG_SETMASK, [], [pid 6857] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6855] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6855] <... futex resumed>) = 0 [pid 6853] <... futex resumed>) = 0 [pid 6858] memfd_create("syzkaller", 0 [pid 6856] munmap(0x7fee57600000, 138412032 [pid 6855] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6853] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5838] <... close resumed>) = 0 [pid 6858] <... memfd_create resumed>) = 3 [pid 6857] <... write resumed>) = 131072 [pid 6856] <... munmap resumed>) = 0 [pid 6855] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5838] rmdir("./68" [pid 6858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5838] <... rmdir resumed>) = 0 [pid 6858] <... mmap resumed>) = 0x7fee57600000 [pid 6857] munmap(0x7fee57600000, 138412032 [pid 6856] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6857] <... munmap resumed>) = 0 [pid 6856] <... openat resumed>) = 4 [pid 6856] ioctl(4, LOOP_SET_FD, 3 [pid 6855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6858] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6855] <... mmap resumed>) = 0x7fee5fb34000 [pid 6857] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6855] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5838] mkdir("./69", 0777) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 6857] <... openat resumed>) = 4 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 6857] ioctl(4, LOOP_SET_FD, 3 [pid 5838] <... ioctl resumed>) = 0 [pid 6858] <... write resumed>) = 131072 [pid 6855] <... mprotect resumed>) = 0 [pid 5838] close(3 [pid 6858] munmap(0x7fee57600000, 138412032 [pid 6855] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6858] <... munmap resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 6858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6855] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6858] <... openat resumed>) = 4 [pid 6855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6859 attached [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6859] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6858] ioctl(4, LOOP_SET_FD, 3 [pid 6855] <... clone3 resumed> => {parent_tid=[6859]}, 88) = 6859 [pid 6855] rt_sigprocmask(SIG_SETMASK, [], [pid 6856] <... ioctl resumed>) = 0 [pid 6856] close(3) = 0 [pid 6856] close(4) = 0 [pid 6856] mkdir("./bus", 0777) = 0 [pid 6856] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"..../strace-static-x86_64: Process 6860 attached [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6860 [pid 6859] <... rseq resumed>) = 0 [pid 6857] <... ioctl resumed>) = 0 [pid 6855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6860] set_robust_list(0x55557a9486a0, 24 [pid 6859] set_robust_list(0x7fee5fb549a0, 24 [pid 6857] close(3 [pid 6855] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6860] <... set_robust_list resumed>) = 0 [pid 6857] <... close resumed>) = 0 [pid 6855] <... futex resumed>) = 0 [pid 6859] <... set_robust_list resumed>) = 0 [pid 6856] <... mount resumed>) = 0 [pid 6860] chdir("./69" [pid 6859] rt_sigprocmask(SIG_SETMASK, [], [pid 6857] close(4 [pid 6856] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6855] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6860] <... chdir resumed>) = 0 [pid 6859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6857] <... close resumed>) = 0 [pid 6856] <... openat resumed>) = 3 [pid 6860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6859] memfd_create("syzkaller", 0 [pid 6857] mkdir("./bus", 0777 [pid 6856] chdir("./bus" [pid 6860] <... prctl resumed>) = 0 [pid 6859] <... memfd_create resumed>) = 3 [pid 6857] <... mkdir resumed>) = 0 [pid 6856] <... chdir resumed>) = 0 [pid 6860] setpgid(0, 0 [pid 6859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6860] <... setpgid resumed>) = 0 [pid 6859] <... mmap resumed>) = 0x7fee57600000 [pid 6856] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6857] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6856] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6859] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6860] <... openat resumed>) = 3 [pid 6856] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6860] write(3, "1000", 4 [pid 6859] <... write resumed>) = 131072 [pid 6856] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] <... futex resumed>) = 0 [pid 6860] <... write resumed>) = 4 [pid 6859] munmap(0x7fee57600000, 138412032 [pid 6852] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6860] close(3 [pid 6856] <... futex resumed>) = 0 [pid 6852] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6860] <... close resumed>) = 0 [pid 6859] <... munmap resumed>) = 0 [pid 6856] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6860] symlink("/dev/binderfs", "./binderfs" [pid 6856] <... openat resumed>) = 4 [pid 6860] <... symlink resumed>) = 0 [pid 6856] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6860] write(1, "executing program\n", 18 [pid 6856] <... futex resumed>) = 1 [pid 6852] <... futex resumed>) = 0 [pid 6860] <... write resumed>) = 18 [pid 6859] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6857] <... mount resumed>) = 0 [pid 6856] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6860] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... openat resumed>) = 4 [pid 6858] <... ioctl resumed>) = 0 [pid 6857] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] <... futex resumed>) = 0 [pid 6860] <... futex resumed>) = 0 [pid 6859] ioctl(4, LOOP_SET_FD, 3 [pid 6858] close(3 [pid 6857] <... openat resumed>) = 3 [ 109.124734][ T6856] loop0: detected capacity change from 0 to 256 [ 109.136110][ T6857] loop4: detected capacity change from 0 to 256 [ 109.147445][ T6858] loop3: detected capacity change from 0 to 256 [pid 6852] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6860] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6857] chdir("./bus" [pid 6856] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6857] <... chdir resumed>) = 0 [pid 6856] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6860] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6857] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6856] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6860] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6857] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6856] <... futex resumed>) = 1 [pid 6852] <... futex resumed>) = 0 [pid 6860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6857] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6857] <... futex resumed>) = 1 [pid 6852] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6860] <... mmap resumed>) = 0x7fee5fb34000 [pid 6857] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6856] dup(4 [pid 6852] <... futex resumed>) = 0 [pid 6860] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6856] <... dup resumed>) = 5 [pid 6854] <... futex resumed>) = 0 [pid 6852] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6860] <... mprotect resumed>) = 0 [pid 6859] <... ioctl resumed>) = 0 [pid 6858] <... close resumed>) = 0 [pid 6856] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6860] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6857] <... futex resumed>) = 0 [pid 6856] <... futex resumed>) = 0 [pid 6854] <... futex resumed>) = 1 [pid 6852] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6860] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6857] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6856] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6854] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6852] <... futex resumed>) = 0 [pid 6860] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6859] close(3 [pid 6858] close(4 [pid 6857] <... openat resumed>) = 4 [pid 6852] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6857] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6857] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6861 attached [pid 6854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6854] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = 0 [pid 6854] <... futex resumed>) = 1 [pid 6860] <... clone3 resumed> => {parent_tid=[6861]}, 88) = 6861 [pid 6859] <... close resumed>) = 0 [pid 6858] <... close resumed>) = 0 [pid 6857] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6854] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6859] close(4 [pid 6858] mkdir("./bus", 0777 [pid 6859] <... close resumed>) = 0 [pid 6860] rt_sigprocmask(SIG_SETMASK, [], [pid 6857] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6857] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6860] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] mkdir("./bus", 0777 [pid 6858] <... mkdir resumed>) = 0 [pid 6857] <... futex resumed>) = 1 [pid 6854] <... futex resumed>) = 0 [pid 6861] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6860] <... futex resumed>) = 0 [pid 6854] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6861] <... rseq resumed>) = 0 [pid 6860] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6859] <... mkdir resumed>) = 0 [pid 6858] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6857] dup(4 [pid 6854] <... futex resumed>) = 0 [pid 6861] set_robust_list(0x7fee5fb549a0, 24 [pid 6859] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6857] <... dup resumed>) = 5 [pid 6854] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6861] <... set_robust_list resumed>) = 0 [pid 6857] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6861] rt_sigprocmask(SIG_SETMASK, [], [pid 6854] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6857] <... futex resumed>) = 0 [pid 6854] <... futex resumed>) = 0 [pid 6861] memfd_create("syzkaller", 0 [pid 6857] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6854] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6858] <... mount resumed>) = 0 [pid 6861] <... memfd_create resumed>) = 3 [pid 6859] <... mount resumed>) = 0 [pid 6858] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6859] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6858] <... openat resumed>) = 3 [pid 6859] <... openat resumed>) = 3 [pid 6858] chdir("./bus" [pid 6859] chdir("./bus" [pid 6858] <... chdir resumed>) = 0 [ 109.192731][ T6859] loop1: detected capacity change from 0 to 256 [pid 6859] <... chdir resumed>) = 0 [pid 6861] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6861] <... write resumed>) = 131072 [pid 6858] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6861] munmap(0x7fee57600000, 138412032 [pid 6859] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6861] <... munmap resumed>) = 0 [pid 6861] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6859] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6858] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6861] <... openat resumed>) = 4 [pid 6859] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6861] ioctl(4, LOOP_SET_FD, 3 [pid 6858] <... futex resumed>) = 1 [pid 6853] <... futex resumed>) = 0 [pid 6855] <... futex resumed>) = 0 [pid 6859] <... futex resumed>) = 1 [pid 6859] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6858] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6855] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... futex resumed>) = 0 [pid 6859] <... openat resumed>) = 4 [pid 6858] <... openat resumed>) = 4 [pid 6855] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] <... futex resumed>) = 0 [pid 6859] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6859] <... futex resumed>) = 1 [pid 6855] <... futex resumed>) = 0 [pid 6859] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6858] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] <... futex resumed>) = 1 [pid 6855] <... futex resumed>) = 0 [pid 6853] <... futex resumed>) = 0 [pid 6852] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6859] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6855] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... futex resumed>) = 0 [pid 6858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6853] <... futex resumed>) = 0 [pid 6859] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6855] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6861] <... ioctl resumed>) = 0 [pid 6859] dup(4 [pid 6858] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6855] <... futex resumed>) = 0 [pid 6854] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6852] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6861] close(3 [pid 6859] <... dup resumed>) = 5 [pid 6858] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6852] <... futex resumed>) = 0 [pid 6859] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6859] <... futex resumed>) = 0 [pid 6858] <... futex resumed>) = 1 [pid 6855] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... futex resumed>) = 0 [pid 6852] <... mmap resumed>) = 0x7fee5fb13000 [pid 6861] <... close resumed>) = 0 [pid 6859] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6858] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6855] <... futex resumed>) = 0 [pid 6854] <... futex resumed>) = 0 [pid 6853] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6852] <... mprotect resumed>) = 0 [pid 6855] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] <... futex resumed>) = 0 [pid 6852] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6854] <... mmap resumed>) = 0x7fee5fb13000 [pid 6853] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6852] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6861] close(4 [pid 6858] dup(4 [pid 6854] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6862 attached [pid 6861] <... close resumed>) = 0 [pid 6858] <... dup resumed>) = 5 [pid 6854] <... mprotect resumed>) = 0 [pid 6862] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6858] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6852] <... clone3 resumed> => {parent_tid=[6862]}, 88) = 6862 [pid 6862] <... rseq resumed>) = 0 [pid 6861] mkdir("./bus", 0777 [pid 6858] <... futex resumed>) = 1 [pid 6854] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6853] <... futex resumed>) = 0 [pid 6854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6863 attached [pid 6862] set_robust_list(0x7fee5fb339a0, 24 [pid 6854] <... clone3 resumed> => {parent_tid=[6863]}, 88) = 6863 [pid 6862] <... set_robust_list resumed>) = 0 [pid 6858] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6854] rt_sigprocmask(SIG_SETMASK, [], [pid 6853] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] rt_sigprocmask(SIG_SETMASK, [], [pid 6854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6853] <... futex resumed>) = 0 [pid 6862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6854] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6854] <... futex resumed>) = 0 [pid 6854] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6863] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [ 109.260906][ T6861] loop2: detected capacity change from 0 to 256 [pid 6852] rt_sigprocmask(SIG_SETMASK, [], [pid 6863] <... rseq resumed>) = 0 [pid 6852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6863] set_robust_list(0x7fee5fb339a0, 24 [pid 6852] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6863] <... set_robust_list resumed>) = 0 [pid 6862] <... futex resumed>) = 0 [pid 6852] <... futex resumed>) = 1 [pid 6863] rt_sigprocmask(SIG_SETMASK, [], [pid 6862] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6852] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6863] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6862] <... madvise resumed>) = 0 [pid 6861] <... mkdir resumed>) = 0 [pid 6853] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6863] <... madvise resumed>) = 0 [pid 6863] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6854] <... futex resumed>) = 0 [pid 6863] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6862] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6861] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6862] <... futex resumed>) = 1 [pid 6852] <... futex resumed>) = 0 [pid 6862] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6861] <... mount resumed>) = 0 [pid 6861] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6855] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6855] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6855] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6861] chdir("./bus" [pid 6855] <... mprotect resumed>) = 0 [pid 6861] <... chdir resumed>) = 0 [pid 6861] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6855] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6861] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6855] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6861] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6864 attached [pid 6861] <... futex resumed>) = 1 [pid 6860] <... futex resumed>) = 0 [pid 6855] <... clone3 resumed> => {parent_tid=[6864]}, 88) = 6864 [pid 6861] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6860] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] rt_sigprocmask(SIG_SETMASK, [], [pid 6864] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6860] <... futex resumed>) = 0 [pid 6855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6864] <... rseq resumed>) = 0 [pid 6861] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6860] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6855] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] set_robust_list(0x7fee5fb339a0, 24 [pid 6861] <... openat resumed>) = 4 [pid 6864] <... set_robust_list resumed>) = 0 [pid 6861] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... futex resumed>) = 0 [pid 6864] rt_sigprocmask(SIG_SETMASK, [], [pid 6861] <... futex resumed>) = 1 [pid 6860] <... futex resumed>) = 0 [pid 6855] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6861] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6860] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6860] <... futex resumed>) = 0 [pid 6853] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6861] fcntl(-1, F_SETLEASE, F_WRLCK) = -1 EBADF (Bad file descriptor) [pid 6853] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6860] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6853] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6853] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6853] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6865 attached [pid 6861] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... clone3 resumed> => {parent_tid=[6865]}, 88) = 6865 [pid 6861] <... futex resumed>) = 1 [pid 6860] <... futex resumed>) = 0 [pid 6853] rt_sigprocmask(SIG_SETMASK, [], [pid 6865] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6861] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6860] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6865] <... rseq resumed>) = 0 [pid 6860] <... futex resumed>) = 0 [pid 6853] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] set_robust_list(0x7fee5fb339a0, 24 [pid 6860] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] <... futex resumed>) = 0 [pid 6865] <... set_robust_list resumed>) = 0 [pid 6861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6853] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6865] rt_sigprocmask(SIG_SETMASK, [], [pid 6861] dup(4 [pid 6865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6861] <... dup resumed>) = 5 [pid 6865] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6861] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... madvise resumed>) = 0 [pid 6864] <... madvise resumed>) = 0 [pid 6861] <... futex resumed>) = 1 [pid 6860] <... futex resumed>) = 0 [pid 6864] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6861] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6860] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6865] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] <... futex resumed>) = 1 [pid 6860] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] <... futex resumed>) = 0 [pid 6865] <... futex resumed>) = 1 [pid 6865] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6864] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6855] <... futex resumed>) = 0 [pid 6859] <... mmap resumed>) = 0x20000000 [pid 6858] <... mmap resumed>) = 0x20000000 [pid 6857] <... mmap resumed>) = 0x20000000 [pid 6856] <... mmap resumed>) = 0x20000000 [pid 6861] <... mmap resumed>) = 0x20000000 [pid 6860] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6859] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] exit_group(0 [pid 6853] exit_group(0 [pid 6861] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... futex resumed>) = 0 [pid 6857] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... futex resumed>) = ? [pid 6853] <... exit_group resumed>) = ? [pid 6865] +++ exited with 0 +++ [pid 6864] <... futex resumed>) = ? [pid 6861] <... futex resumed>) = 0 [pid 6860] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] <... futex resumed>) = 0 [pid 6855] <... exit_group resumed>) = ? [pid 6854] exit_group(0 [pid 6852] exit_group(0 [pid 6864] +++ exited with 0 +++ [pid 6863] <... futex resumed>) = ? [pid 6862] <... futex resumed>) = ? [pid 6861] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6860] <... futex resumed>) = 0 [pid 6859] +++ exited with 0 +++ [pid 6857] <... futex resumed>) = ? [pid 6854] <... exit_group resumed>) = ? [pid 6852] <... exit_group resumed>) = ? [pid 6863] +++ exited with 0 +++ [pid 6862] +++ exited with 0 +++ [pid 6861] <... madvise resumed>) = 0 [pid 6860] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] +++ exited with 0 +++ [pid 6852] +++ exited with 0 +++ [pid 6858] <... futex resumed>) = ? [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6852, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 6858] +++ exited with 0 +++ [pid 6857] +++ exited with 0 +++ [pid 6854] +++ exited with 0 +++ [pid 6853] +++ exited with 0 +++ [pid 5836] <... restart_syscall resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6854, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6853, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 6861] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6860] <... futex resumed>) = 0 [pid 5836] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6861] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6860] exit_group(0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6861] <... futex resumed>) = ? [pid 6860] <... exit_group resumed>) = ? [pid 6855] +++ exited with 0 +++ [pid 5836] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... restart_syscall resumed>) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6855, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5840] <... restart_syscall resumed>) = 0 [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5836] <... openat resumed>) = 3 [pid 5837] <... restart_syscall resumed>) = 0 [pid 5836] newfstatat(3, "", [pid 5839] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... openat resumed>) = 3 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] getdents64(3, [pid 5840] <... openat resumed>) = 3 [pid 5839] newfstatat(3, "", [pid 5837] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] newfstatat(3, "", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, [pid 5837] newfstatat(3, "", [pid 5836] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(3, [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] getdents64(3, [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] newfstatat(AT_FDCWD, "./68/binderfs", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./68/binderfs", [pid 5837] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(AT_FDCWD, "./68/binderfs", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./68/binderfs" [pid 5837] newfstatat(AT_FDCWD, "./68/binderfs", [pid 5836] unlink("./68/binderfs" [pid 5840] unlink("./68/binderfs" [pid 5839] <... unlink resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] unlink("./68/binderfs" [pid 5836] <... unlink resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 5836] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... umount2 resumed>) = 0 [pid 5836] <... umount2 resumed>) = 0 [pid 5840] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./68/bus", [pid 5837] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./68/bus", [pid 5839] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(AT_FDCWD, "./68/bus", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./68/bus", [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "./68/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... openat resumed>) = 4 [pid 5837] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./68/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] newfstatat(4, "", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./68/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... openat resumed>) = 4 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] openat(AT_FDCWD, "./68/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... openat resumed>) = 4 [pid 5840] newfstatat(4, "", [pid 5839] getdents64(4, [pid 5837] <... openat resumed>) = 4 [pid 5836] newfstatat(4, "", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(4, [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] newfstatat(4, "", [pid 5836] getdents64(4, [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] getdents64(4, [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] getdents64(4, [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] getdents64(4, [pid 5836] getdents64(4, [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] close(4 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] close(4 [pid 5839] <... close resumed>) = 0 [pid 5836] close(4 [pid 5840] <... close resumed>) = 0 [pid 5839] rmdir("./68/bus" [pid 5837] getdents64(4, [pid 5836] <... close resumed>) = 0 [pid 5840] rmdir("./68/bus" [pid 5839] <... rmdir resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] rmdir("./68/bus" [pid 5840] <... rmdir resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5837] close(4 [pid 5836] getdents64(3, [pid 5837] <... close resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] getdents64(3, [pid 5837] rmdir("./68/bus" [pid 5836] close(3 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] getdents64(3, [pid 5836] <... close resumed>) = 0 [pid 5840] close(3 [pid 5836] rmdir("./68" [pid 5840] <... close resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5840] rmdir("./68" [pid 5839] close(3 [pid 5837] <... rmdir resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5839] rmdir("./68" [pid 5837] getdents64(3, [pid 5836] mkdir("./69", 0777 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5840] mkdir("./69", 0777 [pid 5839] mkdir("./69", 0777 [pid 5837] close(3 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6861] +++ exited with 0 +++ [pid 6860] +++ exited with 0 +++ [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] rmdir("./68" [pid 5836] <... openat resumed>) = 3 [pid 5840] <... openat resumed>) = 3 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5840] <... ioctl resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5840] close(3 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6860, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... ioctl resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] <... ioctl resumed>) = 0 [pid 5838] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] mkdir("./69", 0777 [pid 5836] close(3 [pid 5839] close(3 [pid 5837] <... mkdir resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] <... close resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6866 attached [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6868 attached ./strace-static-x86_64: Process 6867 attached [pid 6866] set_robust_list(0x55557a9486a0, 24 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6866 [pid 5838] newfstatat(3, "", [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6868] set_robust_list(0x55557a9486a0, 24 [pid 6867] set_robust_list(0x55557a9486a0, 24 [pid 6866] <... set_robust_list resumed>) = 0 [pid 6868] <... set_robust_list resumed>) = 0 [pid 6867] <... set_robust_list resumed>) = 0 [pid 6867] chdir("./69" [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6868] chdir("./69" [pid 6866] chdir("./69" [pid 5838] getdents64(3, [pid 5837] <... ioctl resumed>) = 0 [pid 6866] <... chdir resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6867 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] close(3 [pid 6868] <... chdir resumed>) = 0 [pid 6867] <... chdir resumed>) = 0 [pid 6866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6868 [pid 6868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6866] <... prctl resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... close resumed>) = 0 [pid 6866] setpgid(0, 0 [pid 5838] newfstatat(AT_FDCWD, "./69/binderfs", [pid 6866] <... setpgid resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6868] <... prctl resumed>) = 0 [pid 6866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] unlink("./69/binderfs" [pid 6867] <... prctl resumed>) = 0 [pid 6868] setpgid(0, 0) = 0 [pid 6867] setpgid(0, 0 [pid 5838] <... unlink resumed>) = 0 [pid 6867] <... setpgid resumed>) = 0 [pid 6868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6866] <... openat resumed>) = 3 [pid 5838] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6868] <... openat resumed>) = 3 [pid 6867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6866] write(3, "1000", 4./strace-static-x86_64: Process 6869 attached [pid 6868] write(3, "1000", 4 [pid 6867] <... openat resumed>) = 3 [pid 6866] <... write resumed>) = 4 [pid 6868] <... write resumed>) = 4 [pid 6867] write(3, "1000", 4 [pid 5838] <... umount2 resumed>) = 0 [pid 6867] <... write resumed>) = 4 [pid 6869] set_robust_list(0x55557a9486a0, 24 [pid 6867] close(3 [pid 6866] close(3 [pid 5838] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6869] <... set_robust_list resumed>) = 0 [pid 6868] close(3 [pid 6867] <... close resumed>) = 0 [pid 6868] <... close resumed>) = 0 [pid 6867] symlink("/dev/binderfs", "./binderfs" [pid 6868] symlink("/dev/binderfs", "./binderfs" [pid 6866] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6868] <... symlink resumed>) = 0 [pid 6867] <... symlink resumed>) = 0 [pid 6866] symlink("/dev/binderfs", "./binderfs" [pid 5838] newfstatat(AT_FDCWD, "./69/bus", [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6869 [pid 6869] chdir("./69" [pid 6866] <... symlink resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6866] write(1, "executing program\n", 18 [pid 5838] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6866] <... write resumed>) = 18 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6866] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] openat(AT_FDCWD, "./69/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6866] <... futex resumed>) = 0 [pid 5838] <... openat resumed>) = 4 [pid 6866] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5838] newfstatat(4, "", [pid 6866] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 executing program executing program [pid 6866] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5838] getdents64(4, [pid 6868] write(1, "executing program\n", 18 [pid 6867] write(1, "executing program\n", 18 [pid 6866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6869] <... chdir resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6868] <... write resumed>) = 18 [pid 6867] <... write resumed>) = 18 [pid 6866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5838] getdents64(4, [pid 6869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6868] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] <... mmap resumed>) = 0x7fee5fb34000 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6869] <... prctl resumed>) = 0 [pid 6868] <... futex resumed>) = 0 [pid 6867] <... futex resumed>) = 0 [pid 6869] setpgid(0, 0 [pid 6866] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5838] close(4 [pid 6869] <... setpgid resumed>) = 0 [pid 6868] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6867] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6866] <... mprotect resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5838] rmdir("./69/bus" [pid 6869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6868] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6867] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6866] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6869] <... openat resumed>) = 3 [pid 6868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6866] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 6868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6870 attached [pid 6869] write(3, "1000", 4 [pid 6868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5838] getdents64(3, [pid 6870] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6868] <... mmap resumed>) = 0x7fee5fb34000 [pid 6867] <... mmap resumed>) = 0x7fee5fb34000 [pid 6866] <... clone3 resumed> => {parent_tid=[6870]}, 88) = 6870 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6869] <... write resumed>) = 4 [pid 6867] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6870] <... rseq resumed>) = 0 [pid 6866] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] close(3 [pid 6870] set_robust_list(0x7fee5fb549a0, 24 [pid 6869] close(3 [pid 6868] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6867] <... mprotect resumed>) = 0 [pid 6866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... close resumed>) = 0 [pid 6866] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6866] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6870] <... set_robust_list resumed>) = 0 [pid 5838] rmdir("./69") = 0 [pid 6870] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] mkdir("./70", 0777 [pid 6870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 6870] memfd_create("syzkaller", 0 [pid 6869] <... close resumed>) = 0 [pid 6868] <... mprotect resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6869] symlink("/dev/binderfs", "./binderfs" [pid 6867] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] <... openat resumed>) = 3 [pid 6870] <... memfd_create resumed>) = 3 [pid 6868] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] ioctl(3, LOOP_CLR_FD [pid 6870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6869] <... symlink resumed>) = 0 [pid 6868] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6867] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 6870] <... mmap resumed>) = 0x7fee57600000 [pid 5838] close(3 [pid 6870] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6869] write(1, "executing program\n", 18 [pid 6868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5838] <... close resumed>) = 0 executing program ./strace-static-x86_64: Process 6872 attached ./strace-static-x86_64: Process 6871 attached [pid 6869] <... write resumed>) = 18 [pid 6867] <... clone3 resumed> => {parent_tid=[6871]}, 88) = 6871 [pid 6872] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6869] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] <... clone3 resumed> => {parent_tid=[6872]}, 88) = 6872 [pid 6867] rt_sigprocmask(SIG_SETMASK, [], [pid 6872] <... rseq resumed>) = 0 [pid 6870] <... write resumed>) = 131072 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6872] set_robust_list(0x7fee5fb549a0, 24 [pid 6871] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6869] <... futex resumed>) = 0 [pid 6868] rt_sigprocmask(SIG_SETMASK, [], [pid 6867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6872] <... set_robust_list resumed>) = 0 [pid 6871] <... rseq resumed>) = 0 [pid 6870] munmap(0x7fee57600000, 138412032 [pid 6869] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6867] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6873 attached [pid 6872] rt_sigprocmask(SIG_SETMASK, [], [pid 6871] set_robust_list(0x7fee5fb549a0, 24 [pid 6870] <... munmap resumed>) = 0 [pid 6869] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6868] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] <... futex resumed>) = 0 [pid 6873] set_robust_list(0x55557a9486a0, 24 [pid 6872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6871] <... set_robust_list resumed>) = 0 [pid 6870] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6869] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6868] <... futex resumed>) = 0 [pid 6867] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6873 [pid 6873] <... set_robust_list resumed>) = 0 [pid 6872] memfd_create("syzkaller", 0 [pid 6871] rt_sigprocmask(SIG_SETMASK, [], [pid 6869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6868] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6873] chdir("./70" [pid 6872] <... memfd_create resumed>) = 3 [pid 6871] memfd_create("syzkaller", 0 [pid 6870] <... openat resumed>) = 4 [pid 6869] <... mmap resumed>) = 0x7fee5fb34000 [pid 6873] <... chdir resumed>) = 0 [pid 6872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6871] <... memfd_create resumed>) = 3 [pid 6870] ioctl(4, LOOP_SET_FD, 3 [pid 6869] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6872] <... mmap resumed>) = 0x7fee57600000 [pid 6873] <... prctl resumed>) = 0 [pid 6873] setpgid(0, 0) = 0 [pid 6872] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6869] <... mprotect resumed>) = 0 [pid 6873] <... openat resumed>) = 3 [pid 6873] write(3, "1000", 4 [pid 6871] <... mmap resumed>) = 0x7fee57600000 [pid 6869] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6873] <... write resumed>) = 4 [pid 6872] <... write resumed>) = 131072 [pid 6871] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6869] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6873] close(3) = 0 [pid 6873] symlink("/dev/binderfs", "./binderfs" [pid 6872] munmap(0x7fee57600000, 138412032executing program [pid 6873] <... symlink resumed>) = 0 [pid 6872] <... munmap resumed>) = 0 [pid 6869] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6873] write(1, "executing program\n", 18 [pid 6872] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6873] <... write resumed>) = 18 [pid 6872] <... openat resumed>) = 4 [pid 6871] <... write resumed>) = 131072 ./strace-static-x86_64: Process 6874 attached [pid 6873] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] ioctl(4, LOOP_SET_FD, 3 [pid 6871] munmap(0x7fee57600000, 138412032 [pid 6874] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053) = 0 [pid 6873] <... futex resumed>) = 0 [pid 6871] <... munmap resumed>) = 0 [pid 6869] <... clone3 resumed> => {parent_tid=[6874]}, 88) = 6874 [pid 6873] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 6869] rt_sigprocmask(SIG_SETMASK, [], [pid 6873] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6873] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6870] <... ioctl resumed>) = 0 [pid 6870] close(3 [pid 6873] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6870] <... close resumed>) = 0 [pid 6870] close(4) = 0 [pid 6870] mkdir("./bus", 0777 [pid 6873] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6870] <... mkdir resumed>) = 0 [pid 6869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6873] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6870] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"..../strace-static-x86_64: Process 6875 attached [pid 6873] <... clone3 resumed> => {parent_tid=[6875]}, 88) = 6875 [pid 6875] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6873] rt_sigprocmask(SIG_SETMASK, [], [pid 6869] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] <... rseq resumed>) = 0 [pid 6874] set_robust_list(0x7fee5fb549a0, 24 [pid 6870] <... mount resumed>) = 0 [pid 6869] <... futex resumed>) = 0 [pid 6875] set_robust_list(0x7fee5fb549a0, 24 [pid 6873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6870] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6875] <... set_robust_list resumed>) = 0 [pid 6873] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... openat resumed>) = 3 [pid 6875] rt_sigprocmask(SIG_SETMASK, [], [pid 6873] <... futex resumed>) = 0 [pid 6870] chdir("./bus" [pid 6875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6874] <... set_robust_list resumed>) = 0 [pid 6873] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6872] <... ioctl resumed>) = 0 [pid 6871] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6870] <... chdir resumed>) = 0 [pid 6869] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6875] memfd_create("syzkaller", 0 [pid 6874] rt_sigprocmask(SIG_SETMASK, [], [pid 6872] close(3 [pid 6871] <... openat resumed>) = 4 [pid 6870] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6875] <... memfd_create resumed>) = 3 [pid 6874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6872] <... close resumed>) = 0 [pid 6871] ioctl(4, LOOP_SET_FD, 3 [pid 6870] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6874] memfd_create("syzkaller", 0 [pid 6872] close(4 [ 109.655952][ T6870] loop4: detected capacity change from 0 to 256 [ 109.673768][ T6872] loop0: detected capacity change from 0 to 256 [pid 6870] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] <... mmap resumed>) = 0x7fee57600000 [pid 6870] <... futex resumed>) = 1 [pid 6866] <... futex resumed>) = 0 [pid 6875] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6870] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6866] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6866] <... futex resumed>) = 0 [pid 6870] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6866] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] <... openat resumed>) = 4 [pid 6870] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6866] <... futex resumed>) = 0 [pid 6870] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6866] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] <... write resumed>) = 131072 [pid 6874] <... memfd_create resumed>) = 3 [pid 6871] <... ioctl resumed>) = 0 [pid 6870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6866] <... futex resumed>) = 0 [pid 6866] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] fcntl(-1, F_SETLEASE, F_WRLCK) = -1 EBADF (Bad file descriptor) [pid 6870] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6866] <... futex resumed>) = 0 [pid 6875] munmap(0x7fee57600000, 138412032 [pid 6870] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6866] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] <... munmap resumed>) = 0 [pid 6870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6866] <... futex resumed>) = 0 [pid 6866] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] dup(4) = 5 [pid 6870] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6870] <... futex resumed>) = 1 [pid 6866] <... futex resumed>) = 0 [pid 6875] <... openat resumed>) = 4 [pid 6874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6870] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6866] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] ioctl(4, LOOP_SET_FD, 3 [pid 6866] <... futex resumed>) = 0 [pid 6874] <... mmap resumed>) = 0x7fee57600000 [pid 6866] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6874] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6872] <... close resumed>) = 0 [pid 6871] close(3 [pid 6874] <... write resumed>) = 131072 [pid 6872] mkdir("./bus", 0777 [pid 6871] <... close resumed>) = 0 [pid 6874] munmap(0x7fee57600000, 138412032 [pid 6872] <... mkdir resumed>) = 0 [pid 6871] close(4 [pid 6872] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6871] <... close resumed>) = 0 [pid 6874] <... munmap resumed>) = 0 [pid 6871] mkdir("./bus", 0777 [pid 6874] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6875] <... ioctl resumed>) = 0 [pid 6874] <... openat resumed>) = 4 [pid 6872] <... mount resumed>) = 0 [pid 6871] <... mkdir resumed>) = 0 [pid 6874] ioctl(4, LOOP_SET_FD, 3 [pid 6872] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6871] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [ 109.703925][ T6871] loop3: detected capacity change from 0 to 256 [ 109.725390][ T6875] loop2: detected capacity change from 0 to 256 [pid 6872] <... openat resumed>) = 3 [pid 6875] close(3 [pid 6872] chdir("./bus" [pid 6875] <... close resumed>) = 0 [pid 6872] <... chdir resumed>) = 0 [pid 6875] close(4 [pid 6872] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6875] <... close resumed>) = 0 [pid 6872] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6875] mkdir("./bus", 0777) = 0 [pid 6872] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6872] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6875] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6871] <... mount resumed>) = 0 [pid 6871] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6868] <... futex resumed>) = 0 [pid 6868] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... openat resumed>) = 3 [pid 6872] <... futex resumed>) = 0 [pid 6868] <... futex resumed>) = 1 [pid 6874] <... ioctl resumed>) = 0 [pid 6872] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6871] chdir("./bus" [pid 6868] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6874] close(3 [pid 6872] <... openat resumed>) = 4 [pid 6871] <... chdir resumed>) = 0 [pid 6874] <... close resumed>) = 0 [pid 6871] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6874] close(4 [pid 6872] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6874] <... close resumed>) = 0 [pid 6872] <... futex resumed>) = 1 [pid 6868] <... futex resumed>) = 0 [pid 6866] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6868] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] <... futex resumed>) = 0 [pid 6866] <... futex resumed>) = 0 [pid 6868] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6866] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6874] mkdir("./bus", 0777 [pid 6872] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6871] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] <... mprotect resumed>) = 0 [pid 6872] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6872] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6874] <... mkdir resumed>) = 0 [pid 6872] <... futex resumed>) = 1 [pid 6868] <... futex resumed>) = 0 [pid 6871] <... futex resumed>) = 1 [pid 6874] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6868] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6867] <... futex resumed>) = 0 [pid 6866] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6872] dup(4 [pid 6871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6868] <... futex resumed>) = 0 [pid 6867] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6875] <... mount resumed>) = 0 [pid 6872] <... dup resumed>) = 5 [pid 6871] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6868] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6867] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6876 attached [pid 6875] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6874] <... mount resumed>) = 0 [pid 6872] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... openat resumed>) = 4 [pid 6868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6867] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6866] <... clone3 resumed> => {parent_tid=[6876]}, 88) = 6876 [pid 6876] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6875] <... openat resumed>) = 3 [pid 6874] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6872] <... futex resumed>) = 0 [pid 6871] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6876] <... rseq resumed>) = 0 [pid 6875] chdir("./bus" [pid 6874] <... openat resumed>) = 3 [pid 6872] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6871] <... futex resumed>) = 0 [pid 6868] <... futex resumed>) = 0 [pid 6866] rt_sigprocmask(SIG_SETMASK, [], [pid 6867] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] set_robust_list(0x7fee5fb339a0, 24 [pid 6875] <... chdir resumed>) = 0 [pid 6874] chdir("./bus" [pid 6871] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6868] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6867] <... futex resumed>) = 0 [pid 6876] <... set_robust_list resumed>) = 0 [pid 6875] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6874] <... chdir resumed>) = 0 [pid 6871] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6876] rt_sigprocmask(SIG_SETMASK, [], [pid 6875] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6874] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6871] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6866] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6875] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6871] <... futex resumed>) = 0 [pid 6867] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] <... futex resumed>) = 0 [pid 6876] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6867] <... futex resumed>) = 0 [pid 6866] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6871] dup(4 [pid 6875] <... futex resumed>) = 1 [pid 6874] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] <... futex resumed>) = 0 [pid 6876] <... madvise resumed>) = 0 [pid 6875] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6874] <... futex resumed>) = 1 [pid 6873] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... dup resumed>) = 5 [pid 6869] <... futex resumed>) = 0 [pid 6867] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6875] <... openat resumed>) = 4 [pid 6869] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6871] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6869] <... futex resumed>) = 0 [pid 6874] <... openat resumed>) = 4 [pid 6873] <... futex resumed>) = 0 [pid 6871] <... futex resumed>) = 1 [pid 6869] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6867] <... futex resumed>) = 0 [pid 6875] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6867] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6867] <... futex resumed>) = 0 [pid 6874] <... futex resumed>) = 1 [pid 6871] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6869] <... futex resumed>) = 0 [ 109.758957][ T6874] loop1: detected capacity change from 0 to 256 [pid 6867] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6875] <... futex resumed>) = 0 [pid 6874] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6873] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6869] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] <... futex resumed>) = 0 [pid 6876] <... futex resumed>) = 1 [pid 6874] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6866] <... futex resumed>) = 0 [pid 6876] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6874] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6873] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] <... futex resumed>) = 0 [pid 6874] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] <... futex resumed>) = 1 [pid 6875] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6874] <... futex resumed>) = 1 [pid 6873] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6869] <... futex resumed>) = 0 [pid 6875] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6874] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6869] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6869] <... futex resumed>) = 0 [pid 6874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6874] dup(4 [pid 6875] <... futex resumed>) = 1 [pid 6874] <... dup resumed>) = 5 [pid 6873] <... futex resumed>) = 0 [pid 6875] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6873] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6874] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] <... futex resumed>) = 0 [pid 6875] dup(4 [pid 6874] <... futex resumed>) = 1 [pid 6873] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6869] <... futex resumed>) = 0 [pid 6875] <... dup resumed>) = 5 [pid 6874] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6869] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] <... futex resumed>) = 0 [pid 6875] <... futex resumed>) = 1 [pid 6874] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6873] <... futex resumed>) = 0 [pid 6869] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6875] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6873] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6873] <... futex resumed>) = 0 [pid 6875] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6873] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6868] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6868] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6868] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6868] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6877 attached [pid 6877] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6868] <... clone3 resumed> => {parent_tid=[6877]}, 88) = 6877 [pid 6877] <... rseq resumed>) = 0 [pid 6868] rt_sigprocmask(SIG_SETMASK, [], [pid 6877] set_robust_list(0x7fee5fb339a0, 24 [pid 6868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6877] <... set_robust_list resumed>) = 0 [pid 6868] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] rt_sigprocmask(SIG_SETMASK, [], [pid 6868] <... futex resumed>) = 0 [pid 6877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6868] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6877] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6867] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6867] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6867] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6867] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6878 attached [pid 6878] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6877] <... madvise resumed>) = 0 [pid 6867] <... clone3 resumed> => {parent_tid=[6878]}, 88) = 6878 [pid 6878] <... rseq resumed>) = 0 [pid 6877] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] rt_sigprocmask(SIG_SETMASK, [], [pid 6878] set_robust_list(0x7fee5fb339a0, 24 [pid 6867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6878] <... set_robust_list resumed>) = 0 [pid 6867] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] rt_sigprocmask(SIG_SETMASK, [], [pid 6877] <... futex resumed>) = 1 [pid 6868] <... futex resumed>) = 0 [pid 6867] <... futex resumed>) = 0 [pid 6878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6867] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6877] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6869] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6873] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6873] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6869] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6873] <... futex resumed>) = 0 [pid 6873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6869] <... futex resumed>) = 0 [pid 6869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6878] <... madvise resumed>) = 0 [pid 6878] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] <... mmap resumed>) = 0x7fee5fb13000 [pid 6869] <... mmap resumed>) = 0x7fee5fb13000 [pid 6878] <... futex resumed>) = 1 [pid 6867] <... futex resumed>) = 0 [pid 6873] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6869] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6878] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6873] <... mprotect resumed>) = 0 [pid 6869] <... mprotect resumed>) = 0 [pid 6873] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6869] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6873] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6869] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6873] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6869] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6880 attached ./strace-static-x86_64: Process 6879 attached [pid 6879] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6869] <... clone3 resumed> => {parent_tid=[6879]}, 88) = 6879 [pid 6880] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6879] <... rseq resumed>) = 0 [pid 6873] <... clone3 resumed> => {parent_tid=[6880]}, 88) = 6880 [pid 6869] rt_sigprocmask(SIG_SETMASK, [], [pid 6880] <... rseq resumed>) = 0 [pid 6879] set_robust_list(0x7fee5fb339a0, 24 [pid 6869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6880] set_robust_list(0x7fee5fb339a0, 24 [pid 6879] <... set_robust_list resumed>) = 0 [pid 6869] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6880] <... set_robust_list resumed>) = 0 [pid 6879] rt_sigprocmask(SIG_SETMASK, [], [pid 6873] rt_sigprocmask(SIG_SETMASK, [], [pid 6869] <... futex resumed>) = 0 [pid 6880] rt_sigprocmask(SIG_SETMASK, [], [pid 6879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6869] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6879] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6873] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6880] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6873] <... futex resumed>) = 0 [pid 6879] <... madvise resumed>) = 0 [pid 6873] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6875] <... mmap resumed>) = 0x20000000 [pid 6880] <... madvise resumed>) = 0 [pid 6872] <... mmap resumed>) = 0x20000000 [pid 6871] <... mmap resumed>) = 0x20000000 [pid 6875] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6875] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6870] <... mmap resumed>) = 0x20000000 [pid 6879] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] exit_group(0 [pid 6879] <... futex resumed>) = 1 [pid 6871] <... futex resumed>) = 0 [pid 6880] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6877] <... futex resumed>) = ? [pid 6874] <... mmap resumed>) = 0x20000000 [pid 6872] <... futex resumed>) = ? [pid 6870] <... futex resumed>) = 0 [pid 6871] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6869] <... futex resumed>) = 0 [pid 6868] <... exit_group resumed>) = ? [pid 6866] exit_group(0 [pid 6880] <... futex resumed>) = 1 [pid 6877] +++ exited with 0 +++ [pid 6874] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] <... futex resumed>) = 0 [pid 6872] +++ exited with 0 +++ [pid 6876] <... futex resumed>) = ? [pid 6866] <... exit_group resumed>) = ? [pid 6880] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6876] +++ exited with 0 +++ [pid 6873] exit_group(0 [pid 6870] +++ exited with 0 +++ [pid 6867] exit_group(0 [pid 6880] <... futex resumed>) = ? [pid 6878] <... futex resumed>) = ? [pid 6875] <... futex resumed>) = ? [pid 6874] <... futex resumed>) = 0 [pid 6873] <... exit_group resumed>) = ? [pid 6871] <... futex resumed>) = ? [pid 6867] <... exit_group resumed>) = ? [pid 6880] +++ exited with 0 +++ [pid 6878] +++ exited with 0 +++ [pid 6875] +++ exited with 0 +++ [pid 6874] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] +++ exited with 0 +++ [pid 6869] exit_group(0 [pid 6867] +++ exited with 0 +++ [pid 6879] <... futex resumed>) = ? [pid 6874] <... futex resumed>) = ? [pid 6869] <... exit_group resumed>) = ? [pid 6879] +++ exited with 0 +++ [pid 6874] +++ exited with 0 +++ [pid 6873] +++ exited with 0 +++ [pid 6869] +++ exited with 0 +++ [pid 6868] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6867, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6869, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6868, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5839] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6873, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... openat resumed>) = 3 [pid 5838] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] newfstatat(3, "", [pid 5838] <... openat resumed>) = 3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] newfstatat(3, "", [pid 5839] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] getdents64(3, [pid 5839] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] newfstatat(AT_FDCWD, "./69/binderfs", [pid 5838] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./70/binderfs", [pid 5839] unlink("./69/binderfs" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] unlink("./70/binderfs" [pid 5836] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(3, "", [pid 5839] <... umount2 resumed>) = 0 [pid 5837] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] getdents64(3, [pid 5839] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./69/bus", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(3, "", [pid 5836] newfstatat(AT_FDCWD, "./69/binderfs", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] getdents64(3, [pid 5836] unlink("./69/binderfs" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./69/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... openat resumed>) = 4 [pid 5838] newfstatat(AT_FDCWD, "./70/bus", [pid 5839] newfstatat(4, "", [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] getdents64(4, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./69/binderfs", [pid 5836] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] openat(AT_FDCWD, "./70/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(4, [pid 5838] <... openat resumed>) = 4 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] unlink("./69/binderfs") = 0 [pid 6866] +++ exited with 0 +++ [pid 5839] close(4 [pid 5838] newfstatat(4, "", [pid 5836] <... umount2 resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6866, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5839] <... close resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] rmdir("./69/bus" [pid 5838] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(4, [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] newfstatat(AT_FDCWD, "./69/bus", [pid 5838] close(4) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... rmdir resumed>) = 0 [pid 5838] rmdir("./70/bus" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... umount2 resumed>) = 0 [pid 5836] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] getdents64(3, [pid 5838] <... rmdir resumed>) = 0 [pid 5837] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] close(3 [pid 5840] <... openat resumed>) = 3 [pid 5838] getdents64(3, [pid 5839] <... close resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./69/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] newfstatat(3, "", [pid 5839] rmdir("./69" [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] close(3 [pid 5837] newfstatat(AT_FDCWD, "./69/bus", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... close resumed>) = 0 [pid 5836] <... openat resumed>) = 4 [pid 5838] rmdir("./70" [pid 5840] getdents64(3, [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] newfstatat(4, "", [pid 5839] mkdir("./70", 0777 [pid 5837] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] mkdir("./71", 0777 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] openat(AT_FDCWD, "./69/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... openat resumed>) = 3 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... openat resumed>) = 4 [pid 5836] getdents64(4, [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5840] newfstatat(AT_FDCWD, "./69/binderfs", [pid 5839] <... ioctl resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] newfstatat(4, "", [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] close(3 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(4, [pid 5839] <... close resumed>) = 0 [pid 5837] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] close(4) = 0 [pid 5837] rmdir("./69/bus") = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6881 attached [pid 5837] getdents64(3, 0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] close(3) = 0 [pid 5837] rmdir("./69" [pid 6881] set_robust_list(0x55557a9486a0, 24 [pid 5837] <... rmdir resumed>) = 0 [pid 6881] <... set_robust_list resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6881 [pid 6881] chdir("./70") = 0 [pid 5840] unlink("./69/binderfs" [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5837] mkdir("./70", 0777 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] close(4 [pid 6881] setpgid(0, 0 [pid 5840] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] close(3 [pid 5836] <... close resumed>) = 0 [pid 6881] <... setpgid resumed>) = 0 [pid 5836] rmdir("./69/bus" [pid 6881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 6881] <... openat resumed>) = 3 [pid 5836] <... rmdir resumed>) = 0 [pid 5836] getdents64(3, 0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5836] close(3 [pid 6881] write(3, "1000", 4 [pid 5837] <... ioctl resumed>) = 0 [pid 6881] <... write resumed>) = 4 [pid 6881] close(3 [pid 5840] <... umount2 resumed>) = 0 [pid 5837] close(3 [pid 5836] <... close resumed>) = 0 [pid 6881] <... close resumed>) = 0 [pid 5840] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] rmdir("./69" [pid 6881] symlink("/dev/binderfs", "./binderfs" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... close resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6881] <... symlink resumed>) = 0 executing program [pid 5840] newfstatat(AT_FDCWD, "./69/bus", [pid 5836] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6882 attached [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] mkdir("./70", 0777 [pid 6882] set_robust_list(0x55557a9486a0, 24 [pid 5840] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6881] write(1, "executing program\n", 18) = 18 [pid 6881] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6882] <... set_robust_list resumed>) = 0 [pid 6881] <... futex resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... mkdir resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./69/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6882 [pid 6882] chdir("./71" [pid 6881] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5840] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6883 attached [pid 6882] <... chdir resumed>) = 0 [pid 6881] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5840] newfstatat(4, "", [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6883] set_robust_list(0x55557a9486a0, 24 [pid 6881] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6883 [pid 6883] <... set_robust_list resumed>) = 0 [pid 6881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6883] chdir("./70" [pid 6881] <... mmap resumed>) = 0x7fee5fb34000 [pid 6881] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6883] <... chdir resumed>) = 0 [pid 6881] <... mprotect resumed>) = 0 [pid 6882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6881] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... openat resumed>) = 3 [pid 6883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6883] <... prctl resumed>) = 0 [pid 6882] <... prctl resumed>) = 0 [pid 5840] getdents64(4, [pid 6883] setpgid(0, 0 [pid 6881] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6883] <... setpgid resumed>) = 0 [pid 6882] setpgid(0, 0 [pid 6881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] getdents64(4, [pid 5836] <... ioctl resumed>) = 0 [pid 6882] <... setpgid resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] close(3 [pid 5840] close(4./strace-static-x86_64: Process 6884 attached [pid 6883] <... openat resumed>) = 3 [pid 6882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6881] <... clone3 resumed> => {parent_tid=[6884]}, 88) = 6884 [pid 5840] <... close resumed>) = 0 [pid 6884] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6881] rt_sigprocmask(SIG_SETMASK, [], [pid 6884] <... rseq resumed>) = 0 [pid 6883] write(3, "1000", 4 [pid 6881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6884] set_robust_list(0x7fee5fb549a0, 24 [pid 6883] <... write resumed>) = 4 [pid 6881] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] rmdir("./69/bus" [pid 5836] <... close resumed>) = 0 [pid 6884] <... set_robust_list resumed>) = 0 [pid 6884] rt_sigprocmask(SIG_SETMASK, [], [pid 6883] close(3 [pid 6881] <... futex resumed>) = 0 [pid 6884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6883] <... close resumed>) = 0 [pid 6881] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6884] memfd_create("syzkaller", 0 [pid 6883] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6884] <... memfd_create resumed>) = 3 [pid 6882] <... openat resumed>) = 3 [pid 5840] <... rmdir resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6882] write(3, "1000", 4 [pid 5840] getdents64(3, [pid 6884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6883] write(1, "executing program\n", 18./strace-static-x86_64: Process 6885 attached ) = 18 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6882] <... write resumed>) = 4 [pid 6884] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6883] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6883] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, NULL, 8) = 0 [pid 6883] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6884] <... write resumed>) = 131072 [pid 6883] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6883] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6886 attached [pid 6882] close(3 [pid 5840] close(3 [pid 6884] munmap(0x7fee57600000, 138412032 [pid 6886] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6884] <... munmap resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 6886] <... rseq resumed>) = 0 [pid 6882] <... close resumed>) = 0 [pid 5840] rmdir("./69") = 0 [pid 6886] set_robust_list(0x7fee5fb549a0, 24 [pid 6885] set_robust_list(0x55557a9486a0, 24 [pid 6882] symlink("/dev/binderfs", "./binderfs" [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6885 [pid 6886] <... set_robust_list resumed>) = 0 [pid 6883] <... clone3 resumed> => {parent_tid=[6886]}, 88) = 6886 [pid 6886] rt_sigprocmask(SIG_SETMASK, [], [pid 6884] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6883] rt_sigprocmask(SIG_SETMASK, [], [pid 6882] <... symlink resumed>) = 0 [pid 6885] <... set_robust_list resumed>) = 0 [pid 6886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6884] <... openat resumed>) = 4 [pid 6883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] mkdir("./70", 0777 [pid 6886] memfd_create("syzkaller", 0 [pid 6885] chdir("./70" [pid 6884] ioctl(4, LOOP_SET_FD, 3 [pid 6883] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6882] write(1, "executing program\n", 18 [pid 5840] <... mkdir resumed>) = 0 [pid 6885] <... chdir resumed>) = 0 [pid 6884] <... ioctl resumed>) = 0 [pid 6883] <... futex resumed>) = 0 [pid 6882] <... write resumed>) = 18 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6882] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] <... memfd_create resumed>) = 3 [pid 6885] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6882] <... futex resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 6886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6885] <... prctl resumed>) = 0 [pid 6883] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6882] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5840] ioctl(3, LOOP_CLR_FD [pid 6886] <... mmap resumed>) = 0x7fee57600000 [pid 6885] setpgid(0, 0 [pid 6882] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 6885] <... setpgid resumed>) = 0 [pid 6882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5840] close(3 [pid 6886] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... close resumed>) = 0 [pid 6885] <... openat resumed>) = 3 [pid 6882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6885] write(3, "1000", 4 [pid 6882] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6886] <... write resumed>) = 131072 [pid 6882] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6887 attached [pid 6886] munmap(0x7fee57600000, 138412032) = 0 [pid 6885] <... write resumed>) = 4 [pid 6886] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6885] close(3 [pid 6882] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6884] close(3) = 0 [pid 6884] close(4 [pid 6886] ioctl(4, LOOP_SET_FD, 3 [pid 6884] <... close resumed>) = 0 [pid 6884] mkdir("./bus", 0777) = 0 [pid 6885] <... close resumed>) = 0 [pid 6887] set_robust_list(0x55557a9486a0, 24 [pid 6885] symlink("/dev/binderfs", "./binderfs" [pid 6884] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6887] <... set_robust_list resumed>) = 0 [pid 6885] <... symlink resumed>) = 0 [pid 6882] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6887 [pid 6885] write(1, "executing program\n", 18 [pid 6882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6888 attached executing program [pid 6888] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053) = 0 [pid 6887] chdir("./70" [pid 6885] <... write resumed>) = 18 [pid 6882] <... clone3 resumed> => {parent_tid=[6888]}, 88) = 6888 [pid 6888] set_robust_list(0x7fee5fb549a0, 24 [pid 6887] <... chdir resumed>) = 0 [pid 6882] rt_sigprocmask(SIG_SETMASK, [], [pid 6888] <... set_robust_list resumed>) = 0 [pid 6885] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... mount resumed>) = 0 [pid 6884] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6884] chdir("./bus") = 0 [pid 6884] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6884] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6884] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6881] <... futex resumed>) = 0 [pid 6881] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... futex resumed>) = 0 [pid 6881] <... futex resumed>) = 1 [pid 6884] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME) = 4 [pid 6884] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6881] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6886] <... ioctl resumed>) = 0 [pid 6884] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6886] close(3 [pid 6881] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] <... close resumed>) = 0 [pid 6884] <... futex resumed>) = 0 [pid 6881] <... futex resumed>) = 1 [pid 6886] close(4 [pid 6884] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6881] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6886] <... close resumed>) = 0 [pid 6884] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6884] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] mkdir("./bus", 0777 [pid 6884] <... futex resumed>) = 1 [pid 6881] <... futex resumed>) = 0 [pid 6888] rt_sigprocmask(SIG_SETMASK, [], [pid 6887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6886] <... mkdir resumed>) = 0 [pid 6885] <... futex resumed>) = 0 [pid 6884] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6881] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6887] <... prctl resumed>) = 0 [pid 6885] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6887] setpgid(0, 0 [pid 6886] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6885] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6884] dup(4 [pid 6882] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] <... futex resumed>) = 0 [pid 6888] memfd_create("syzkaller", 0 [pid 6887] <... setpgid resumed>) = 0 [pid 6885] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6884] <... dup resumed>) = 5 [pid 6882] <... futex resumed>) = 0 [pid 6881] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6884] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6888] <... memfd_create resumed>) = 3 [pid 6887] <... openat resumed>) = 3 [pid 6886] <... mount resumed>) = 0 [pid 6885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6884] <... futex resumed>) = 0 [pid 6882] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6881] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6887] write(3, "1000", 4 [pid 6886] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6885] <... mmap resumed>) = 0x7fee5fb34000 [pid 6884] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6881] <... futex resumed>) = 0 [pid 6888] <... mmap resumed>) = 0x7fee57600000 [pid 6887] <... write resumed>) = 4 [pid 6886] <... openat resumed>) = 3 [ 110.152690][ T6884] loop3: detected capacity change from 0 to 256 [ 110.182596][ T6886] loop1: detected capacity change from 0 to 256 [pid 6885] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6888] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6887] close(3 [pid 6886] chdir("./bus" [pid 6885] <... mprotect resumed>) = 0 [pid 6881] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6887] <... close resumed>) = 0 [pid 6886] <... chdir resumed>) = 0 [pid 6887] symlink("/dev/binderfs", "./binderfs" [pid 6886] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6885] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6887] <... symlink resumed>) = 0 [pid 6886] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6886] <... futex resumed>) = 1 [pid 6883] <... futex resumed>) = 0 [pid 6887] write(1, "executing program\n", 18 [pid 6886] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6885] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6883] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] <... write resumed>) = 18 [pid 6886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6883] <... futex resumed>) = 0 [pid 6886] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6883] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6889 attached [pid 6888] <... write resumed>) = 131072 [pid 6887] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] <... openat resumed>) = 4 [pid 6885] <... clone3 resumed> => {parent_tid=[6889]}, 88) = 6889 [pid 6888] munmap(0x7fee57600000, 138412032 [pid 6887] <... futex resumed>) = 0 [pid 6886] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] rt_sigprocmask(SIG_SETMASK, [], [pid 6887] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6886] <... futex resumed>) = 1 [pid 6885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6883] <... futex resumed>) = 0 [pid 6889] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6887] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6886] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6885] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6885] <... futex resumed>) = 0 [pid 6883] <... futex resumed>) = 0 [pid 6889] <... rseq resumed>) = 0 [pid 6888] <... munmap resumed>) = 0 [pid 6887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6886] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6885] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6883] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6889] set_robust_list(0x7fee5fb549a0, 24 [pid 6888] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6886] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6889] <... set_robust_list resumed>) = 0 [pid 6888] <... openat resumed>) = 4 [pid 6887] <... mmap resumed>) = 0x7fee5fb34000 [pid 6886] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] rt_sigprocmask(SIG_SETMASK, [], [pid 6888] ioctl(4, LOOP_SET_FD, 3 [pid 6887] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6886] <... futex resumed>) = 1 [pid 6883] <... futex resumed>) = 0 [pid 6889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6887] <... mprotect resumed>) = 0 [pid 6886] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6883] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6883] <... futex resumed>) = 0 [pid 6886] dup(4 [pid 6883] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6886] <... dup resumed>) = 5 [pid 6886] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6883] <... futex resumed>) = 0 [pid 6886] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6883] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6883] <... futex resumed>) = 0 [pid 6886] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6883] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6887] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6889] memfd_create("syzkaller", 0 [pid 6887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6889] <... memfd_create resumed>) = 3 [pid 6887] <... clone3 resumed> => {parent_tid=[6890]}, 88) = 6890 [pid 6889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6888] <... ioctl resumed>) = 0 [pid 6887] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6890 attached [pid 6889] <... mmap resumed>) = 0x7fee57600000 [pid 6888] close(3 [pid 6887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6888] <... close resumed>) = 0 [pid 6887] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6887] <... futex resumed>) = 0 [pid 6889] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6888] close(4 [pid 6887] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6890] <... rseq resumed>) = 0 [pid 6890] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6890] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6888] <... close resumed>) = 0 [pid 6890] memfd_create("syzkaller", 0) = 3 [pid 6888] mkdir("./bus", 0777 [pid 6889] <... write resumed>) = 131072 [pid 6890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 6888] <... mkdir resumed>) = 0 [pid 6890] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6889] munmap(0x7fee57600000, 138412032 [pid 6888] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6889] <... munmap resumed>) = 0 [pid 6889] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6890] <... write resumed>) = 131072 [pid 6881] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6881] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [ 110.245881][ T6888] loop2: detected capacity change from 0 to 256 [pid 6889] ioctl(4, LOOP_SET_FD, 3 [pid 6881] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6890] munmap(0x7fee57600000, 138412032 [pid 6881] <... mprotect resumed>) = 0 [pid 6888] <... mount resumed>) = 0 [pid 6881] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6888] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 6892 attached [pid 6881] <... clone3 resumed> => {parent_tid=[6892]}, 88) = 6892 [pid 6888] <... openat resumed>) = 3 [pid 6892] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6881] rt_sigprocmask(SIG_SETMASK, [], [pid 6892] <... rseq resumed>) = 0 [pid 6881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6892] set_robust_list(0x7fee5fb339a0, 24 [pid 6883] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6881] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] <... set_robust_list resumed>) = 0 [pid 6883] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] <... futex resumed>) = 0 [pid 6892] rt_sigprocmask(SIG_SETMASK, [], [pid 6883] <... futex resumed>) = 0 [pid 6881] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6892] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6883] <... mmap resumed>) = 0x7fee5fb13000 [pid 6892] <... madvise resumed>) = 0 [pid 6888] chdir("./bus" [pid 6883] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6888] <... chdir resumed>) = 0 [pid 6883] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6893 attached [pid 6890] <... munmap resumed>) = 0 [pid 6888] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6883] <... clone3 resumed> => {parent_tid=[6893]}, 88) = 6893 [pid 6890] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6888] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6883] rt_sigprocmask(SIG_SETMASK, [], [pid 6893] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6892] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] <... openat resumed>) = 4 [pid 6888] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6893] <... rseq resumed>) = 0 [pid 6892] <... futex resumed>) = 1 [pid 6890] ioctl(4, LOOP_SET_FD, 3 [pid 6889] <... ioctl resumed>) = 0 [pid 6888] <... futex resumed>) = 1 [pid 6883] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6882] <... futex resumed>) = 0 [pid 6881] <... futex resumed>) = 0 [pid 6893] set_robust_list(0x7fee5fb339a0, 24 [pid 6889] close(3 [pid 6888] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6882] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] <... set_robust_list resumed>) = 0 [pid 6889] <... close resumed>) = 0 [pid 6883] <... futex resumed>) = 0 [pid 6882] <... futex resumed>) = 0 [pid 6893] rt_sigprocmask(SIG_SETMASK, [], [pid 6892] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6882] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6888] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6883] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6888] <... openat resumed>) = 4 [pid 6893] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6889] close(4 [pid 6888] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6882] <... futex resumed>) = 0 [pid 6882] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6882] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6889] <... close resumed>) = 0 [pid 6888] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6889] mkdir("./bus", 0777 [pid 6888] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] <... madvise resumed>) = 0 [pid 6889] <... mkdir resumed>) = 0 [pid 6888] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6882] <... futex resumed>) = 0 [pid 6882] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6882] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6889] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6888] dup(4) = 5 [pid 6888] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6882] <... futex resumed>) = 0 [pid 6888] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6882] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] <... ioctl resumed>) = 0 [pid 6882] <... futex resumed>) = 0 [pid 6893] <... futex resumed>) = 1 [pid 6890] close(3 [pid 6883] <... futex resumed>) = 0 [pid 6893] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6890] <... close resumed>) = 0 [pid 6890] close(4) = 0 [pid 6882] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6890] mkdir("./bus", 0777 [pid 6889] <... mount resumed>) = 0 [pid 6889] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6889] chdir("./bus") = 0 [pid 6889] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6889] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 110.286281][ T6889] loop0: detected capacity change from 0 to 256 [ 110.321416][ T6890] loop4: detected capacity change from 0 to 256 [pid 6889] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6890] <... mkdir resumed>) = 0 [pid 6885] <... futex resumed>) = 0 [pid 6890] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6885] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] <... futex resumed>) = 0 [pid 6885] <... futex resumed>) = 1 [pid 6889] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6885] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6889] <... openat resumed>) = 4 [pid 6889] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6885] <... futex resumed>) = 0 [pid 6889] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6885] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6885] <... futex resumed>) = 0 [pid 6889] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6889] <... futex resumed>) = 0 [pid 6885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6889] dup(4 [pid 6885] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] <... dup resumed>) = 5 [pid 6885] <... futex resumed>) = 0 [pid 6889] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6889] <... futex resumed>) = 0 [pid 6885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6889] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6885] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] <... mount resumed>) = 0 [pid 6889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6885] <... futex resumed>) = 0 [pid 6890] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6889] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6885] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6882] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6882] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6882] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6882] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6890] chdir("./bus" [pid 6882] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6890] <... chdir resumed>) = 0 [pid 6882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} => {parent_tid=[6895]}, 88) = 6895 ./strace-static-x86_64: Process 6895 attached [pid 6890] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6882] rt_sigprocmask(SIG_SETMASK, [], [pid 6895] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6890] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6882] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6882] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6895] <... rseq resumed>) = 0 [pid 6890] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6890] <... futex resumed>) = 1 [pid 6887] <... futex resumed>) = 0 [pid 6895] rt_sigprocmask(SIG_SETMASK, [], [pid 6887] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6890] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6887] <... futex resumed>) = 0 [pid 6895] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6890] <... openat resumed>) = 4 [pid 6887] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6890] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6887] <... futex resumed>) = 0 [pid 6887] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6887] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6895] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] fcntl(-1, F_SETLEASE, F_WRLCK) = -1 EBADF (Bad file descriptor) [pid 6890] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6890] <... futex resumed>) = 1 [pid 6887] <... futex resumed>) = 0 [pid 6885] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6887] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] <... futex resumed>) = 0 [pid 6895] <... futex resumed>) = 1 [pid 6890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6887] <... futex resumed>) = 0 [pid 6885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6882] <... futex resumed>) = 0 [pid 6890] dup(4 [pid 6887] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6885] <... mmap resumed>) = 0x7fee5fb13000 [pid 6885] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6895] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6885] <... mprotect resumed>) = 0 [pid 6885] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6885] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6896 attached => {parent_tid=[6896]}, 88) = 6896 [pid 6890] <... dup resumed>) = 5 [pid 6885] rt_sigprocmask(SIG_SETMASK, [], [pid 6890] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6885] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6885] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6890] <... futex resumed>) = 1 [pid 6887] <... futex resumed>) = 0 [pid 6887] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6887] <... futex resumed>) = 0 [pid 6887] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6896] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053) = 0 [pid 6896] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6896] madvise(0x20000000, 6291456, MADV_DONTNEED) = 0 [pid 6896] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] <... futex resumed>) = 0 [pid 6896] <... futex resumed>) = 1 [pid 6896] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6889] <... mmap resumed>) = 0x20000000 [pid 6890] <... mmap resumed>) = 0x20000000 [pid 6888] <... mmap resumed>) = 0x20000000 [pid 6886] <... mmap resumed>) = 0x20000000 [pid 6884] <... mmap resumed>) = 0x20000000 [pid 6890] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] exit_group(0 [pid 6882] exit_group(0 [pid 6881] exit_group(0 [pid 6895] <... futex resumed>) = ? [pid 6893] <... futex resumed>) = ? [pid 6892] <... futex resumed>) = ? [pid 6890] <... futex resumed>) = 1 [pid 6889] <... futex resumed>) = 0 [pid 6888] <... futex resumed>) = ? [pid 6887] <... futex resumed>) = 0 [pid 6886] <... futex resumed>) = ? [pid 6884] <... futex resumed>) = ? [pid 6883] <... exit_group resumed>) = ? [pid 6882] <... exit_group resumed>) = ? [pid 6881] <... exit_group resumed>) = ? [pid 6895] +++ exited with 0 +++ [pid 6893] +++ exited with 0 +++ [pid 6892] +++ exited with 0 +++ [pid 6890] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6889] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6888] +++ exited with 0 +++ [pid 6887] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] +++ exited with 0 +++ [pid 6885] exit_group(0 [pid 6884] +++ exited with 0 +++ [pid 6896] <... futex resumed>) = ? [pid 6890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6889] <... futex resumed>) = ? [pid 6887] <... futex resumed>) = 0 [pid 6885] <... exit_group resumed>) = ? [pid 6882] +++ exited with 0 +++ [pid 6896] +++ exited with 0 +++ [pid 6890] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6889] +++ exited with 0 +++ [pid 6887] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6885] +++ exited with 0 +++ [pid 6883] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6882, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6885, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6883, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 6890] <... madvise resumed>) = 0 [pid 6881] +++ exited with 0 +++ [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5837] <... restart_syscall resumed>) = 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6881, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5838] <... restart_syscall resumed>) = 0 [pid 6890] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6890] <... futex resumed>) = 1 [pid 5838] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6887] <... futex resumed>) = 0 [pid 5836] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6890] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6887] exit_group(0 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... openat resumed>) = 3 [pid 5839] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6890] <... futex resumed>) = ? [pid 6887] <... exit_group resumed>) = ? [pid 5838] newfstatat(3, "", [pid 5836] newfstatat(3, "", [pid 6890] +++ exited with 0 +++ [pid 5839] <... openat resumed>) = 3 [pid 5837] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] getdents64(3, [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(3, "", [pid 5838] getdents64(3, [pid 5836] newfstatat(AT_FDCWD, "./70/binderfs", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(3, [pid 5836] unlink("./70/binderfs" [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... unlink resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] unlink("./70/binderfs" [pid 5838] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... unlink resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./71/binderfs", [pid 5837] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./71/binderfs" [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./70/binderfs" [pid 5838] <... unlink resumed>) = 0 [pid 5836] newfstatat(AT_FDCWD, "./70/bus", [pid 5839] <... unlink resumed>) = 0 [pid 5838] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = 0 [pid 5837] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./70/bus", [pid 5836] openat(AT_FDCWD, "./70/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... umount2 resumed>) = 0 [pid 5838] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... openat resumed>) = 4 [pid 5839] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(4, "", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./71/bus", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] newfstatat(AT_FDCWD, "./70/bus", [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] openat(AT_FDCWD, "./70/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] getdents64(4, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... openat resumed>) = 4 [pid 5839] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(4, "", [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./71/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] openat(AT_FDCWD, "./70/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... openat resumed>) = 4 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(4, [pid 5839] <... openat resumed>) = 4 [pid 5839] newfstatat(4, "", [pid 5838] newfstatat(4, "", [pid 5837] getdents64(4, [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] close(4 [pid 5839] getdents64(4, [pid 5838] getdents64(4, [pid 5837] getdents64(4, [pid 5836] <... close resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] getdents64(4, [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] rmdir("./70/bus" [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] getdents64(4, [pid 5837] close(4 [pid 5836] <... rmdir resumed>) = 0 [pid 5839] close(4 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] <... close resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] close(4 [pid 5837] rmdir("./70/bus" [pid 5836] getdents64(3, [pid 5839] rmdir("./70/bus" [pid 5838] <... close resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] rmdir("./71/bus") = 0 [pid 5838] getdents64(3, [pid 6887] +++ exited with 0 +++ [pid 5839] getdents64(3, [pid 5837] getdents64(3, [pid 5836] close(3 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6887, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] <... close resumed>) = 0 [pid 5839] close(3 [pid 5838] close(3 [pid 5837] close(3 [pid 5836] rmdir("./70" [pid 5839] <... close resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5840] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] rmdir("./71" [pid 5837] rmdir("./70" [pid 5839] rmdir("./70" [pid 5836] <... rmdir resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] mkdir("./71", 0777 [pid 5840] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] mkdir("./71", 0777 [pid 5840] <... openat resumed>) = 3 [pid 5836] <... mkdir resumed>) = 0 [pid 5840] newfstatat(3, "", [pid 5837] mkdir("./71", 0777 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] mkdir("./72", 0777 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5840] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] <... openat resumed>) = 3 [pid 5840] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] <... mkdir resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... openat resumed>) = 3 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5836] <... ioctl resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./70/binderfs", [pid 5838] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5836] close(3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5836] <... close resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 5838] close(3) = 0 [pid 5840] unlink("./70/binderfs" [pid 5839] <... ioctl resumed>) = 0 [pid 5837] <... ioctl resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] close(3 [pid 5839] close(3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6898 attached ./strace-static-x86_64: Process 6897 attached [pid 5839] <... close resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6898 [pid 6897] set_robust_list(0x55557a9486a0, 24./strace-static-x86_64: Process 6899 attached [pid 6898] set_robust_list(0x55557a9486a0, 24 [pid 6897] <... set_robust_list resumed>) = 0 [pid 5840] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6898] <... set_robust_list resumed>) = 0 [pid 6897] chdir("./72" [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6897 [pid 6898] chdir("./71" [pid 6897] <... chdir resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6899] set_robust_list(0x55557a9486a0, 24 [pid 6898] <... chdir resumed>) = 0 [pid 6897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... umount2 resumed>) = 0 [pid 6898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6900 attached [pid 6899] <... set_robust_list resumed>) = 0 [pid 6898] setpgid(0, 0 [pid 6897] <... prctl resumed>) = 0 [pid 5840] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6899 [pid 6897] setpgid(0, 0 [pid 6900] set_robust_list(0x55557a9486a0, 24 [pid 6898] <... setpgid resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6900] <... set_robust_list resumed>) = 0 [pid 6899] chdir("./71" [pid 6898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] newfstatat(AT_FDCWD, "./70/bus", [pid 6900] chdir("./71" [pid 6899] <... chdir resumed>) = 0 [pid 6898] <... openat resumed>) = 3 [pid 6897] <... setpgid resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6900 [pid 6899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6900] <... chdir resumed>) = 0 [pid 6899] <... prctl resumed>) = 0 [pid 6898] write(3, "1000", 4 [pid 6897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6899] setpgid(0, 0 [pid 6898] <... write resumed>) = 4 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6900] <... prctl resumed>) = 0 [pid 6899] <... setpgid resumed>) = 0 [pid 6898] close(3 [pid 6897] <... openat resumed>) = 3 [pid 5840] openat(AT_FDCWD, "./70/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6900] setpgid(0, 0 [pid 6899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6898] <... close resumed>) = 0 [pid 6897] write(3, "1000", 4 [pid 5840] <... openat resumed>) = 4 [pid 6900] <... setpgid resumed>) = 0 [pid 6899] <... openat resumed>) = 3 [pid 6898] symlink("/dev/binderfs", "./binderfs" [pid 6897] <... write resumed>) = 4 [pid 5840] newfstatat(4, "", [pid 6900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6899] write(3, "1000", 4 [pid 6898] <... symlink resumed>) = 0 [pid 6897] close(3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6899] <... write resumed>) = 4 [pid 6897] <... close resumed>) = 0 [pid 6899] close(3 [pid 6897] symlink("/dev/binderfs", "./binderfs" executing program [pid 6900] <... openat resumed>) = 3 [pid 6899] <... close resumed>) = 0 [pid 6898] write(1, "executing program\n", 18 [pid 5840] getdents64(4, [pid 6899] symlink("/dev/binderfs", "./binderfs" [pid 6898] <... write resumed>) = 18 [pid 6897] <... symlink resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6900] write(3, "1000", 4 [pid 6899] <... symlink resumed>) = 0 [pid 6898] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] write(1, "executing program\n", 18 [pid 5840] getdents64(4, [pid 6900] <... write resumed>) = 4 [pid 6898] <... futex resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6900] close(3 [pid 6898] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5840] close(4executing program [pid 6900] <... close resumed>) = 0 [pid 6898] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5840] <... close resumed>) = 0 [pid 6900] symlink("/dev/binderfs", "./binderfs" [pid 6898] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6897] <... write resumed>) = 18 [pid 5840] rmdir("./70/bus" [pid 6900] <... symlink resumed>) = 0 [pid 6899] write(1, "executing program\n", 18 [pid 6898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 6900] write(1, "executing program\n", 18 [pid 6898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6897] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6900] <... write resumed>) = 18 [pid 6898] <... mmap resumed>) = 0x7fee5fb34000 [pid 6900] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6898] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5840] getdents64(3, [pid 6900] <... futex resumed>) = 0 [pid 6898] <... mprotect resumed>) = 0 [pid 6900] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6898] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 executing program [pid 6900] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5840] close(3 [pid 6899] <... write resumed>) = 18 [pid 6897] <... futex resumed>) = 0 [pid 6900] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5840] <... close resumed>) = 0 [pid 6900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] rmdir("./70" [pid 6900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6899] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6898] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6897] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5840] <... rmdir resumed>) = 0 [pid 6900] <... mmap resumed>) = 0x7fee5fb34000 [pid 6899] <... futex resumed>) = 0 [pid 6897] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6897] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6900] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6899] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] mkdir("./71", 0777./strace-static-x86_64: Process 6901 attached [pid 6900] <... mprotect resumed>) = 0 [pid 6900] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6899] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] <... mkdir resumed>) = 0 [pid 6901] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6899] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6897] <... mmap resumed>) = 0x7fee5fb34000 [pid 6901] <... rseq resumed>) = 0 [pid 6900] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6898] <... clone3 resumed> => {parent_tid=[6901]}, 88) = 6901 [pid 6901] set_robust_list(0x7fee5fb549a0, 24 [pid 6900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6898] rt_sigprocmask(SIG_SETMASK, [], [pid 6897] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 6902 attached [pid 6901] <... set_robust_list resumed>) = 0 [pid 6899] <... mmap resumed>) = 0x7fee5fb34000 [pid 6898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6899] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6897] <... mprotect resumed>) = 0 [pid 6902] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6901] rt_sigprocmask(SIG_SETMASK, [], [pid 6899] <... mprotect resumed>) = 0 [pid 6898] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] <... openat resumed>) = 3 [pid 6902] <... rseq resumed>) = 0 [pid 6901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6900] <... clone3 resumed> => {parent_tid=[6902]}, 88) = 6902 [pid 6899] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6898] <... futex resumed>) = 0 [pid 6897] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 6902] set_robust_list(0x7fee5fb549a0, 24 [pid 6901] memfd_create("syzkaller", 0 [pid 6900] rt_sigprocmask(SIG_SETMASK, [], [pid 6899] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6898] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5840] <... ioctl resumed>) = 0 [pid 6902] <... set_robust_list resumed>) = 0 [pid 6901] <... memfd_create resumed>) = 3 [pid 6900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] close(3./strace-static-x86_64: Process 6903 attached [pid 6902] rt_sigprocmask(SIG_SETMASK, [], [pid 6901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6900] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6897] <... clone3 resumed> => {parent_tid=[6903]}, 88) = 6903 [pid 5840] <... close resumed>) = 0 [pid 6902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6901] <... mmap resumed>) = 0x7fee57600000 [pid 6900] <... futex resumed>) = 0 [pid 6902] memfd_create("syzkaller", 0 [pid 6901] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6900] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6902] <... memfd_create resumed>) = 3 [pid 6902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6904 attached [pid 6903] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6897] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6903] <... rseq resumed>) = 0 [pid 6899] <... clone3 resumed> => {parent_tid=[6904]}, 88) = 6904 [pid 6897] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] set_robust_list(0x7fee5fb549a0, 24 [pid 6899] rt_sigprocmask(SIG_SETMASK, [], [pid 6897] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6905 attached [pid 6904] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6903] <... set_robust_list resumed>) = 0 [pid 6902] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6901] <... write resumed>) = 131072 [pid 6899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6897] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6905] set_robust_list(0x55557a9486a0, 24 [pid 6904] <... rseq resumed>) = 0 [pid 6903] rt_sigprocmask(SIG_SETMASK, [], [pid 6899] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6905] <... set_robust_list resumed>) = 0 [pid 6904] set_robust_list(0x7fee5fb549a0, 24 [pid 6905] chdir("./71" [pid 6904] <... set_robust_list resumed>) = 0 [pid 6902] <... write resumed>) = 131072 [pid 6901] munmap(0x7fee57600000, 138412032 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6905 [pid 6904] rt_sigprocmask(SIG_SETMASK, [], [pid 6905] <... chdir resumed>) = 0 [pid 6904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6901] <... munmap resumed>) = 0 [pid 6899] <... futex resumed>) = 0 [pid 6905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6904] memfd_create("syzkaller", 0 [pid 6903] memfd_create("syzkaller", 0 [pid 6899] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6905] <... prctl resumed>) = 0 [pid 6904] <... memfd_create resumed>) = 3 [pid 6903] <... memfd_create resumed>) = 3 [pid 6902] munmap(0x7fee57600000, 138412032 [pid 6901] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6905] setpgid(0, 0 [pid 6904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6902] <... munmap resumed>) = 0 [pid 6901] <... openat resumed>) = 4 [pid 6905] <... setpgid resumed>) = 0 [pid 6904] <... mmap resumed>) = 0x7fee57600000 [pid 6903] <... mmap resumed>) = 0x7fee57600000 [pid 6905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6904] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6903] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6901] ioctl(4, LOOP_SET_FD, 3 [pid 6902] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6905] <... openat resumed>) = 3 [pid 6905] write(3, "1000", 4) = 4 [pid 6905] close(3 [pid 6904] <... write resumed>) = 131072 [pid 6903] <... write resumed>) = 131072 [pid 6905] <... close resumed>) = 0 [pid 6902] ioctl(4, LOOP_SET_FD, 3 [pid 6905] symlink("/dev/binderfs", "./binderfs" [pid 6904] munmap(0x7fee57600000, 138412032 [pid 6903] munmap(0x7fee57600000, 138412032 [pid 6902] <... ioctl resumed>) = 0 [pid 6901] <... ioctl resumed>) = 0 [pid 6903] <... munmap resumed>) = 0 [pid 6902] close(3 [pid 6901] close(3 [pid 6905] <... symlink resumed>) = 0 [pid 6904] <... munmap resumed>) = 0 [pid 6903] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6902] <... close resumed>) = 0 [pid 6901] <... close resumed>) = 0 [pid 6902] close(4 [pid 6903] <... openat resumed>) = 4 [pid 6902] <... close resumed>) = 0 [pid 6901] close(4 [pid 6902] mkdir("./bus", 0777executing program [pid 6905] write(1, "executing program\n", 18 [pid 6904] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6903] ioctl(4, LOOP_SET_FD, 3 [pid 6902] <... mkdir resumed>) = 0 [pid 6901] <... close resumed>) = 0 [pid 6905] <... write resumed>) = 18 [pid 6904] <... openat resumed>) = 4 [pid 6902] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6905] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] ioctl(4, LOOP_SET_FD, 3 [pid 6903] <... ioctl resumed>) = 0 [pid 6901] mkdir("./bus", 0777) = 0 [pid 6904] <... ioctl resumed>) = 0 [pid 6903] close(3 [pid 6901] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6904] close(3 [pid 6903] <... close resumed>) = 0 [pid 6905] <... futex resumed>) = 0 [pid 6904] <... close resumed>) = 0 [pid 6903] close(4 [pid 6904] close(4 [pid 6905] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6904] <... close resumed>) = 0 [pid 6903] <... close resumed>) = 0 [pid 6902] <... mount resumed>) = 0 [pid 6901] <... mount resumed>) = 0 [pid 6905] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6904] mkdir("./bus", 0777 [pid 6903] mkdir("./bus", 0777 [pid 6905] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6904] <... mkdir resumed>) = 0 [pid 6903] <... mkdir resumed>) = 0 [pid 6902] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6904] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6903] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6902] <... openat resumed>) = 3 [pid 6905] <... mmap resumed>) = 0x7fee5fb34000 [pid 6905] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6905] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6902] chdir("./bus"./strace-static-x86_64: Process 6906 attached [pid 6903] <... mount resumed>) = 0 [pid 6902] <... chdir resumed>) = 0 [pid 6901] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6903] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6903] chdir("./bus") = 0 [pid 6903] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6902] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6905] <... clone3 resumed> => {parent_tid=[6906]}, 88) = 6906 [pid 6903] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6901] <... openat resumed>) = 3 [pid 6904] <... mount resumed>) = 0 [pid 6906] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6905] rt_sigprocmask(SIG_SETMASK, [], [pid 6904] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6903] <... futex resumed>) = 1 [pid 6902] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] <... futex resumed>) = 0 [pid 6906] <... rseq resumed>) = 0 [pid 6905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6904] <... openat resumed>) = 3 [pid 6903] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6902] <... futex resumed>) = 1 [pid 6901] chdir("./bus" [pid 6900] <... futex resumed>) = 0 [pid 6897] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] set_robust_list(0x7fee5fb549a0, 24 [pid 6905] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] chdir("./bus" [pid 6903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6902] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6901] <... chdir resumed>) = 0 [pid 6900] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] <... futex resumed>) = 0 [pid 6906] <... set_robust_list resumed>) = 0 [pid 6905] <... futex resumed>) = 0 [pid 6904] <... chdir resumed>) = 0 [pid 6903] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6900] <... futex resumed>) = 0 [pid 6897] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6906] rt_sigprocmask(SIG_SETMASK, [], [pid 6905] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6904] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6903] <... openat resumed>) = 4 [pid 6902] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6901] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6900] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6904] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6903] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] <... openat resumed>) = 4 [pid 6901] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6904] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] <... futex resumed>) = 1 [pid 6897] <... futex resumed>) = 0 [pid 6906] memfd_create("syzkaller", 0 [pid 6904] <... futex resumed>) = 1 [pid 6903] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6902] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6899] <... futex resumed>) = 0 [pid 6897] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] <... memfd_create resumed>) = 3 [pid 6906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6904] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6902] <... futex resumed>) = 0 [pid 6901] <... futex resumed>) = 1 [ 110.717499][ T6901] loop0: detected capacity change from 0 to 256 [ 110.729216][ T6902] loop1: detected capacity change from 0 to 256 [ 110.741203][ T6903] loop2: detected capacity change from 0 to 256 [ 110.753889][ T6904] loop3: detected capacity change from 0 to 256 [pid 6900] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6898] <... futex resumed>) = 0 [pid 6897] <... futex resumed>) = 0 [pid 6906] <... mmap resumed>) = 0x7fee57600000 [pid 6904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6903] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6902] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6901] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6900] <... futex resumed>) = 0 [pid 6899] <... futex resumed>) = 0 [pid 6898] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6904] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6903] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6902] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6900] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6899] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6898] <... futex resumed>) = 0 [pid 6906] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6904] <... openat resumed>) = 4 [pid 6903] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6898] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6904] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] <... openat resumed>) = 4 [pid 6904] <... futex resumed>) = 1 [pid 6901] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] <... futex resumed>) = 0 [pid 6904] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6901] <... futex resumed>) = 0 [pid 6899] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6903] <... futex resumed>) = 1 [pid 6902] <... futex resumed>) = 0 [pid 6901] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6900] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] <... futex resumed>) = 0 [pid 6898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6897] <... futex resumed>) = 0 [pid 6904] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6902] dup(4 [pid 6899] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6897] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... futex resumed>) = 0 [pid 6904] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6903] dup(4 [pid 6902] <... dup resumed>) = 5 [pid 6898] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] <... write resumed>) = 131072 [pid 6904] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] <... dup resumed>) = 5 [pid 6902] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] <... futex resumed>) = 0 [pid 6900] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6898] <... futex resumed>) = 1 [pid 6897] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 1 [pid 6903] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] <... futex resumed>) = 0 [pid 6901] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6899] <... futex resumed>) = 0 [pid 6898] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6897] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6906] munmap(0x7fee57600000, 138412032 [pid 6904] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6903] <... futex resumed>) = 0 [pid 6902] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6901] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6900] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6906] <... munmap resumed>) = 0 [pid 6906] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6903] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6901] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... futex resumed>) = 0 [pid 6899] <... futex resumed>) = 0 [pid 6897] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] <... openat resumed>) = 4 [pid 6904] dup(4 [pid 6903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6902] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6901] <... futex resumed>) = 1 [pid 6900] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6899] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6898] <... futex resumed>) = 0 [pid 6897] <... futex resumed>) = 0 [pid 6906] ioctl(4, LOOP_SET_FD, 3 [pid 6904] <... dup resumed>) = 5 [pid 6903] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6901] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6898] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6904] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6898] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 1 [pid 6901] dup(4 [pid 6899] <... futex resumed>) = 0 [pid 6898] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6904] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6901] <... dup resumed>) = 5 [pid 6899] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] <... futex resumed>) = 0 [pid 6901] <... futex resumed>) = 1 [pid 6899] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6898] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6901] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6898] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6898] <... futex resumed>) = 0 [pid 6901] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6898] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6906] <... ioctl resumed>) = 0 [pid 6906] close(3) = 0 [pid 6906] close(4) = 0 [pid 6906] mkdir("./bus", 0777) = 0 [pid 6906] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"...) = 0 [pid 6906] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6906] chdir("./bus") = 0 [pid 6906] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6906] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6906] <... futex resumed>) = 1 [pid 6905] <... futex resumed>) = 0 [pid 6906] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6905] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6905] <... futex resumed>) = 0 [pid 6900] <... futex resumed>) = 0 [pid 6906] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6905] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6906] <... openat resumed>) = 4 [pid 6900] <... mmap resumed>) = 0x7fee5fb13000 [pid 6900] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6906] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6906] <... futex resumed>) = 1 [pid 6906] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6905] <... futex resumed>) = 0 [pid 6905] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6906] <... futex resumed>) = 0 [ 110.826178][ T6906] loop4: detected capacity change from 0 to 256 [pid 6905] <... futex resumed>) = 1 [pid 6900] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6899] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6897] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6905] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6899] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] <... futex resumed>) = 0 [pid 6906] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6899] <... futex resumed>) = 0 [pid 6897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6906] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6906] <... futex resumed>) = 1 [pid 6905] <... futex resumed>) = 0 [pid 6906] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6899] <... mmap resumed>) = 0x7fee5fb13000 [pid 6905] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6905] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6907 attached [pid 6906] dup(4 [pid 6905] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6899] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6906] <... dup resumed>) = 5 [pid 6898] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6906] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6898] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] <... futex resumed>) = 0 [pid 6898] <... futex resumed>) = 0 [pid 6906] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6907] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053) = 0 [pid 6905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6900] <... clone3 resumed> => {parent_tid=[6907]}, 88) = 6907 [pid 6899] <... mprotect resumed>) = 0 [pid 6898] <... mmap resumed>) = 0x7fee5fb13000 [pid 6907] set_robust_list(0x7fee5fb339a0, 24 [pid 6905] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] rt_sigprocmask(SIG_SETMASK, [], [pid 6899] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6898] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6907] <... set_robust_list resumed>) = 0 [pid 6906] <... futex resumed>) = 0 [pid 6905] <... futex resumed>) = 1 [pid 6900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6899] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6898] <... mprotect resumed>) = 0 [pid 6907] rt_sigprocmask(SIG_SETMASK, [], [pid 6906] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6905] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6900] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6898] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6900] <... futex resumed>) = 0 [pid 6898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6900] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6908 attached ./strace-static-x86_64: Process 6909 attached [pid 6907] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6897] <... mmap resumed>) = 0x7fee5fb13000 [pid 6899] <... clone3 resumed> => {parent_tid=[6909]}, 88) = 6909 [pid 6899] rt_sigprocmask(SIG_SETMASK, [], [pid 6897] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6909] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6908] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6898] <... clone3 resumed> => {parent_tid=[6908]}, 88) = 6908 [pid 6897] <... mprotect resumed>) = 0 [pid 6908] <... rseq resumed>) = 0 [pid 6898] rt_sigprocmask(SIG_SETMASK, [], [pid 6908] set_robust_list(0x7fee5fb339a0, 24 [pid 6899] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6909] <... rseq resumed>) = 0 [pid 6908] <... set_robust_list resumed>) = 0 [pid 6898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6909] set_robust_list(0x7fee5fb339a0, 24 [pid 6908] rt_sigprocmask(SIG_SETMASK, [], [pid 6907] <... madvise resumed>) = 0 [pid 6899] <... futex resumed>) = 0 [pid 6898] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6909] <... set_robust_list resumed>) = 0 [pid 6908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6907] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6898] <... futex resumed>) = 0 [pid 6897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6909] rt_sigprocmask(SIG_SETMASK, [], [pid 6908] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6907] <... futex resumed>) = 1 [pid 6900] <... futex resumed>) = 0 [pid 6898] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6907] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6897] <... clone3 resumed> => {parent_tid=[6910]}, 88) = 6910 ./strace-static-x86_64: Process 6910 attached [pid 6910] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053) = 0 [pid 6910] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6910] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6910] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6908] <... madvise resumed>) = 0 [pid 6897] rt_sigprocmask(SIG_SETMASK, [], [pid 6909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6909] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6908] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6905] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6908] <... futex resumed>) = 1 [pid 6905] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6898] <... futex resumed>) = 0 [pid 6897] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6905] <... futex resumed>) = 0 [pid 6897] <... futex resumed>) = 1 [pid 6897] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6910] <... futex resumed>) = 0 [pid 6910] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6909] <... madvise resumed>) = 0 [pid 6908] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6905] <... mmap resumed>) = 0x7fee5fb13000 [pid 6909] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6905] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6909] <... futex resumed>) = 1 [pid 6905] <... mprotect resumed>) = 0 [pid 6899] <... futex resumed>) = 0 [pid 6909] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6905] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6911 attached => {parent_tid=[6911]}, 88) = 6911 [pid 6905] rt_sigprocmask(SIG_SETMASK, [], [pid 6911] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6910] <... madvise resumed>) = 0 [pid 6906] <... mmap resumed>) = 0x20000000 [pid 6905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6904] <... mmap resumed>) = 0x20000000 [pid 6903] <... mmap resumed>) = 0x20000000 [pid 6902] <... mmap resumed>) = 0x20000000 [pid 6901] <... mmap resumed>) = 0x20000000 [pid 6911] <... rseq resumed>) = 0 [pid 6906] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6905] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] <... futex resumed>) = 0 [pid 6905] <... futex resumed>) = 0 [pid 6903] <... futex resumed>) = 0 [pid 6901] <... futex resumed>) = 0 [pid 6911] set_robust_list(0x7fee5fb339a0, 24 [pid 6910] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6905] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6903] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6902] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6904] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6911] <... set_robust_list resumed>) = 0 [pid 6910] <... futex resumed>) = 1 [pid 6904] <... futex resumed>) = 0 [pid 6902] <... futex resumed>) = 0 [pid 6900] exit_group(0 [pid 6898] exit_group(0 [pid 6897] <... futex resumed>) = 0 [pid 6911] rt_sigprocmask(SIG_SETMASK, [], [pid 6910] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6908] <... futex resumed>) = ? [pid 6907] <... futex resumed>) = ? [pid 6904] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6901] <... futex resumed>) = ? [pid 6900] <... exit_group resumed>) = ? [pid 6898] <... exit_group resumed>) = ? [pid 6897] exit_group(0 [pid 6911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6910] <... futex resumed>) = ? [pid 6908] +++ exited with 0 +++ [pid 6907] +++ exited with 0 +++ [pid 6902] +++ exited with 0 +++ [pid 6901] +++ exited with 0 +++ [pid 6897] <... exit_group resumed>) = ? [pid 6911] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6910] +++ exited with 0 +++ [pid 6899] exit_group(0 [pid 6903] <... futex resumed>) = ? [pid 6904] <... futex resumed>) = ? [pid 6899] <... exit_group resumed>) = ? [pid 6904] +++ exited with 0 +++ [pid 6909] <... futex resumed>) = ? [pid 6911] <... madvise resumed>) = 0 [pid 6911] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] +++ exited with 0 +++ [pid 6903] +++ exited with 0 +++ [pid 6900] +++ exited with 0 +++ [pid 6899] +++ exited with 0 +++ [pid 6898] +++ exited with 0 +++ [pid 6897] +++ exited with 0 +++ [pid 6911] <... futex resumed>) = 1 [pid 6905] <... futex resumed>) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6900, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6897, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6898, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6911] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6905] exit_group(0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6899, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6911] <... futex resumed>) = ? [pid 6906] <... futex resumed>) = ? [pid 6905] <... exit_group resumed>) = ? [pid 5839] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6911] +++ exited with 0 +++ [pid 6906] +++ exited with 0 +++ [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... openat resumed>) = 3 [pid 5837] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] newfstatat(3, "", [pid 5837] <... openat resumed>) = 3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] newfstatat(3, "", [pid 5839] getdents64(3, [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] getdents64(3, [pid 5839] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./71/binderfs", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] newfstatat(AT_FDCWD, "./71/binderfs", [pid 5839] unlink("./71/binderfs" [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5837] unlink("./71/binderfs" [pid 5839] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... unlink resumed>) = 0 [pid 5837] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... openat resumed>) = 3 [pid 5836] <... openat resumed>) = 3 [pid 5838] newfstatat(3, "", [pid 5839] <... umount2 resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] newfstatat(3, "", [pid 5839] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] getdents64(3, [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] newfstatat(AT_FDCWD, "./71/bus", [pid 5838] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] getdents64(3, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(AT_FDCWD, "./72/binderfs", [pid 5837] <... umount2 resumed>) = 0 [pid 5836] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(AT_FDCWD, "./71/binderfs", [pid 5839] openat(AT_FDCWD, "./71/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... openat resumed>) = 4 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] newfstatat(AT_FDCWD, "./71/bus", [pid 5839] newfstatat(4, "", [pid 5836] unlink("./71/binderfs" [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(4, [pid 5837] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... unlink resumed>) = 0 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] unlink("./72/binderfs" [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(4, [pid 5838] <... unlink resumed>) = 0 [pid 5837] openat(AT_FDCWD, "./71/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] close(4 [pid 5837] <... openat resumed>) = 4 [pid 5839] <... close resumed>) = 0 [pid 5837] newfstatat(4, "", [pid 5839] rmdir("./71/bus" [pid 5838] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5837] getdents64(4, [pid 5839] getdents64(3, [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] <... umount2 resumed>) = 0 [pid 5837] getdents64(4, 0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] close(4) = 0 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] rmdir("./71/bus" [pid 5839] close(3 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... close resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./72/bus", [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... umount2 resumed>) = 0 [pid 5839] rmdir("./71" [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] getdents64(3, [pid 5839] <... rmdir resumed>) = 0 [pid 5838] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5836] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] mkdir("./72", 0777 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] close(3 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./72/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... close resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] rmdir("./71" [pid 5838] <... openat resumed>) = 4 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] newfstatat(AT_FDCWD, "./71/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(4, "", [pid 5836] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... openat resumed>) = 3 [pid 5838] getdents64(4, [pid 5837] mkdir("./72", 0777 [pid 5836] openat(AT_FDCWD, "./71/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... openat resumed>) = 4 [pid 5839] <... ioctl resumed>) = 0 [pid 5838] getdents64(4, [pid 5836] newfstatat(4, "", [pid 5839] close(3 [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] close(4 [pid 5837] <... openat resumed>) = 3 [pid 5836] getdents64(4, [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... close resumed>) = 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] getdents64(4, [pid 5838] rmdir("./72/bus" [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6912 [pid 5837] <... ioctl resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] close(3 [pid 5836] close(4) = 0 ./strace-static-x86_64: Process 6912 attached [pid 6905] +++ exited with 0 +++ [pid 5838] <... rmdir resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] rmdir("./71/bus" [pid 6912] set_robust_list(0x55557a9486a0, 24 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6905, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5838] getdents64(3, [pid 6912] <... set_robust_list resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 6912] chdir("./72" [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] getdents64(3, [pid 6912] <... chdir resumed>) = 0 [pid 5840] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] close(3./strace-static-x86_64: Process 6913 attached [pid 6912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6912] <... prctl resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5836] close(3 [pid 6913] set_robust_list(0x55557a9486a0, 24 [pid 6912] setpgid(0, 0 [pid 5840] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] rmdir("./72" [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6913 [pid 5836] <... close resumed>) = 0 [pid 6913] <... set_robust_list resumed>) = 0 [pid 6912] <... setpgid resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5836] rmdir("./71" [pid 5840] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6913] chdir("./72" [pid 6912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6913] <... chdir resumed>) = 0 [pid 6912] <... openat resumed>) = 3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] mkdir("./73", 0777 [pid 5836] <... rmdir resumed>) = 0 [pid 6913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6912] write(3, "1000", 4 [pid 6913] <... prctl resumed>) = 0 [pid 6912] <... write resumed>) = 4 [pid 5838] <... mkdir resumed>) = 0 [pid 5836] mkdir("./72", 0777 [pid 6913] setpgid(0, 0 [pid 6912] close(3) = 0 [pid 5840] newfstatat(AT_FDCWD, "./71/binderfs", [pid 5836] <... mkdir resumed>) = 0 [pid 6913] <... setpgid resumed>) = 0 [pid 6912] symlink("/dev/binderfs", "./binderfs" [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./71/binderfs" [pid 6913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6912] <... symlink resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6913] <... openat resumed>) = 3 [pid 6912] write(1, "executing program\n", 18 [pid 5840] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... openat resumed>) = 3 [pid 5836] <... openat resumed>) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5838] <... ioctl resumed>) = 0 [pid 5838] close(3 [pid 5836] <... ioctl resumed>) = 0 [pid 5840] <... umount2 resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5836] close(3 [pid 5840] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) executing program [pid 6913] write(3, "1000", 4 [pid 6912] <... write resumed>) = 18 [pid 5840] newfstatat(AT_FDCWD, "./71/bus", [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... close resumed>) = 0 [pid 6913] <... write resumed>) = 4 [pid 6912] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./71/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5840] newfstatat(4, "", ./strace-static-x86_64: Process 6914 attached [pid 6913] close(3 [pid 6912] <... futex resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6913] <... close resumed>) = 0 [pid 6912] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, ./strace-static-x86_64: Process 6915 attached [pid 6913] symlink("/dev/binderfs", "./binderfs" [pid 6912] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5840] getdents64(4, [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6914 [pid 6915] set_robust_list(0x55557a9486a0, 24 [pid 6914] set_robust_list(0x55557a9486a0, 24 [pid 6913] <... symlink resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 6915] <... set_robust_list resumed>) = 0 [pid 6913] write(1, "executing program\n", 18 [pid 6912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6915 [pid 6914] <... set_robust_list resumed>) = 0 [pid 5840] getdents64(4, [pid 6915] chdir("./72" [pid 6914] chdir("./73" [pid 6913] <... write resumed>) = 18 [pid 6912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6914] <... chdir resumed>) = 0 [pid 5840] close(4 [pid 6915] <... chdir resumed>) = 0 [pid 6914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6913] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] <... mmap resumed>) = 0x7fee5fb34000 [pid 5840] <... close resumed>) = 0 [pid 6915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6914] <... prctl resumed>) = 0 [pid 6913] <... futex resumed>) = 0 [pid 6912] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5840] rmdir("./71/bus" [pid 6915] <... prctl resumed>) = 0 [pid 6914] setpgid(0, 0 [pid 6913] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6912] <... mprotect resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 6915] setpgid(0, 0 [pid 6914] <... setpgid resumed>) = 0 [pid 6913] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5840] getdents64(3, [pid 6915] <... setpgid resumed>) = 0 [pid 6914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6912] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6913] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6912] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6916 attached [pid 6915] <... openat resumed>) = 3 [pid 6914] <... openat resumed>) = 3 [pid 6913] <... mmap resumed>) = 0x7fee5fb34000 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6915] write(3, "1000", 4 [pid 5840] close(3) = 0 [pid 6914] write(3, "1000", 4 [pid 5840] rmdir("./71" [pid 6915] <... write resumed>) = 4 [pid 6913] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6912] <... clone3 resumed> => {parent_tid=[6916]}, 88) = 6916 [pid 5840] <... rmdir resumed>) = 0 [pid 6914] <... write resumed>) = 4 [pid 6914] close(3executing program [pid 6916] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6914] <... close resumed>) = 0 [pid 6915] close(3 [pid 6913] <... mprotect resumed>) = 0 [pid 6912] rt_sigprocmask(SIG_SETMASK, [], [pid 6915] <... close resumed>) = 0 [pid 6916] <... rseq resumed>) = 0 [pid 6914] symlink("/dev/binderfs", "./binderfs" [pid 6915] symlink("/dev/binderfs", "./binderfs" [pid 6914] <... symlink resumed>) = 0 [pid 6913] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6916] set_robust_list(0x7fee5fb549a0, 24 [pid 6915] <... symlink resumed>) = 0 [pid 6914] write(1, "executing program\n", 18 [pid 5840] mkdir("./72", 0777 [pid 6912] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6916] <... set_robust_list resumed>) = 0 [pid 6914] <... write resumed>) = 18 [pid 6912] <... futex resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 6916] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 6915] write(1, "executing program\n", 18 [pid 6914] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6915] <... write resumed>) = 18 [pid 6914] <... futex resumed>) = 0 [pid 6913] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6912] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6916] memfd_create("syzkaller", 0 [pid 6915] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6915] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6917 attached [pid 6916] <... memfd_create resumed>) = 3 [pid 6914] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5840] <... openat resumed>) = 3 [pid 6915] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6916] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6914] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 6917] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6916] <... mmap resumed>) = 0x7fee57600000 [pid 6917] <... rseq resumed>) = 0 [pid 6915] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6914] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6913] <... clone3 resumed> => {parent_tid=[6917]}, 88) = 6917 [pid 5840] <... ioctl resumed>) = 0 [pid 6917] set_robust_list(0x7fee5fb549a0, 24 [pid 6916] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6915] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6913] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] close(3 [pid 6917] <... set_robust_list resumed>) = 0 [pid 6915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6917] rt_sigprocmask(SIG_SETMASK, [], [pid 6915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6913] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6916] <... write resumed>) = 131072 [pid 6915] <... mmap resumed>) = 0x7fee5fb34000 [pid 6914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] <... close resumed>) = 0 [pid 6914] <... mmap resumed>) = 0x7fee5fb34000 [pid 6914] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6917] memfd_create("syzkaller", 0 [pid 6914] <... mprotect resumed>) = 0 [pid 6917] <... memfd_create resumed>) = 3 [pid 6915] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6914] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6913] <... futex resumed>) = 0 [pid 6917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6915] <... mprotect resumed>) = 0 [pid 6913] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6917] <... mmap resumed>) = 0x7fee57600000 [pid 6916] munmap(0x7fee57600000, 138412032 [pid 6914] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6917] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6916] <... munmap resumed>) = 0 [pid 6915] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6919 attached [pid 6916] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 6918 attached [pid 6918] set_robust_list(0x55557a9486a0, 24 [pid 6919] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6916] <... openat resumed>) = 4 [pid 6915] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6919] <... rseq resumed>) = 0 [pid 6918] <... set_robust_list resumed>) = 0 [pid 6919] set_robust_list(0x7fee5fb549a0, 24 [pid 6918] chdir("./72" [pid 6916] ioctl(4, LOOP_SET_FD, 3 [pid 6914] <... clone3 resumed> => {parent_tid=[6919]}, 88) = 6919 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6918 [pid 6919] <... set_robust_list resumed>) = 0 [pid 6917] <... write resumed>) = 131072 [pid 6915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6918] <... chdir resumed>) = 0 [pid 6918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6918] setpgid(0, 0) = 0 [pid 6919] rt_sigprocmask(SIG_SETMASK, [], [pid 6918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6920 attached [pid 6919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6918] <... openat resumed>) = 3 [pid 6918] write(3, "1000", 4 [pid 6919] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6918] <... write resumed>) = 4 [pid 6914] rt_sigprocmask(SIG_SETMASK, [], [pid 6915] <... clone3 resumed> => {parent_tid=[6920]}, 88) = 6920 [pid 6920] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6917] munmap(0x7fee57600000, 138412032 [pid 6915] rt_sigprocmask(SIG_SETMASK, [], [pid 6918] close(3 [pid 6914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6920] <... rseq resumed>) = 0 [pid 6918] <... close resumed>) = 0 [pid 6917] <... munmap resumed>) = 0 [pid 6915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6914] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6920] set_robust_list(0x7fee5fb549a0, 24 [pid 6919] <... futex resumed>) = 0 [pid 6918] symlink("/dev/binderfs", "./binderfs" [pid 6915] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] <... futex resumed>) = 1 [pid 6920] <... set_robust_list resumed>) = 0 [pid 6919] memfd_create("syzkaller", 0 [pid 6918] <... symlink resumed>) = 0 [pid 6917] openat(AT_FDCWD, "/dev/loop1", O_RDWRexecuting program [pid 6915] <... futex resumed>) = 0 [pid 6914] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6920] rt_sigprocmask(SIG_SETMASK, [], [pid 6915] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6918] write(1, "executing program\n", 18 [pid 6920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6918] <... write resumed>) = 18 [pid 6918] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6918] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6919] <... memfd_create resumed>) = 3 [pid 6918] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6920] memfd_create("syzkaller", 0 [pid 6918] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6917] <... openat resumed>) = 4 [pid 6918] <... mmap resumed>) = 0x7fee5fb34000 [pid 6918] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6918] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6918] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6921 attached => {parent_tid=[6921]}, 88) = 6921 [pid 6918] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6918] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6921] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6918] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6921] <... rseq resumed>) = 0 [pid 6916] <... ioctl resumed>) = 0 [pid 6921] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6916] close(3 [pid 6921] rt_sigprocmask(SIG_SETMASK, [], [pid 6919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6917] ioctl(4, LOOP_SET_FD, 3 [pid 6916] <... close resumed>) = 0 [pid 6921] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6920] <... memfd_create resumed>) = 3 [pid 6921] memfd_create("syzkaller", 0 [pid 6916] close(4 [pid 6921] <... memfd_create resumed>) = 3 [pid 6916] <... close resumed>) = 0 [pid 6916] mkdir("./bus", 0777 [pid 6921] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6916] <... mkdir resumed>) = 0 [pid 6921] <... mmap resumed>) = 0x7fee57600000 [pid 6916] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6921] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 6920] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6919] <... mmap resumed>) = 0x7fee57600000 [pid 6917] <... ioctl resumed>) = 0 [pid 6921] munmap(0x7fee57600000, 138412032 [pid 6920] <... mmap resumed>) = 0x7fee57600000 [pid 6919] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6917] close(3 [pid 6916] <... mount resumed>) = 0 [pid 6921] <... munmap resumed>) = 0 [pid 6920] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6919] <... write resumed>) = 131072 [pid 6917] <... close resumed>) = 0 [pid 6921] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6920] <... write resumed>) = 131072 [pid 6919] munmap(0x7fee57600000, 138412032 [pid 6917] close(4 [pid 6916] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6920] munmap(0x7fee57600000, 138412032 [pid 6921] <... openat resumed>) = 4 [pid 6919] <... munmap resumed>) = 0 [pid 6917] <... close resumed>) = 0 [pid 6916] <... openat resumed>) = 3 [ 111.203093][ T6916] loop3: detected capacity change from 0 to 256 [ 111.223610][ T6917] loop1: detected capacity change from 0 to 256 [pid 6921] ioctl(4, LOOP_SET_FD, 3 [pid 6916] chdir("./bus" [pid 6917] mkdir("./bus", 0777 [pid 6920] <... munmap resumed>) = 0 [pid 6919] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6917] <... mkdir resumed>) = 0 [pid 6916] <... chdir resumed>) = 0 [pid 6920] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6919] <... openat resumed>) = 4 [pid 6917] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6920] <... openat resumed>) = 4 [pid 6919] ioctl(4, LOOP_SET_FD, 3 [pid 6916] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6916] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6916] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6921] <... ioctl resumed>) = 0 [pid 6920] ioctl(4, LOOP_SET_FD, 3 [pid 6919] <... ioctl resumed>) = 0 [pid 6917] <... mount resumed>) = 0 [pid 6912] <... futex resumed>) = 0 [pid 6921] close(3 [pid 6917] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6912] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] <... close resumed>) = 0 [pid 6920] <... ioctl resumed>) = 0 [pid 6919] close(3 [pid 6917] <... openat resumed>) = 3 [pid 6921] close(4 [pid 6919] <... close resumed>) = 0 [pid 6921] <... close resumed>) = 0 [pid 6920] close(3 [pid 6919] close(4 [pid 6917] chdir("./bus" [pid 6916] <... futex resumed>) = 0 [pid 6912] <... futex resumed>) = 1 [pid 6921] mkdir("./bus", 0777 [pid 6920] <... close resumed>) = 0 [pid 6919] <... close resumed>) = 0 [pid 6917] <... chdir resumed>) = 0 [pid 6916] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6912] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] <... mkdir resumed>) = 0 [pid 6920] close(4 [pid 6919] mkdir("./bus", 0777 [pid 6917] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6916] <... openat resumed>) = 4 [pid 6921] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6920] <... close resumed>) = 0 [pid 6919] <... mkdir resumed>) = 0 [pid 6917] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6916] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6920] mkdir("./bus", 0777 [pid 6916] <... futex resumed>) = 1 [pid 6912] <... futex resumed>) = 0 [pid 6920] <... mkdir resumed>) = 0 [pid 6919] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6917] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6916] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6912] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] <... mount resumed>) = 0 [pid 6917] <... futex resumed>) = 1 [pid 6916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6913] <... futex resumed>) = 0 [pid 6912] <... futex resumed>) = 0 [pid 6921] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6920] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6917] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6916] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6913] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] <... openat resumed>) = 3 [pid 6919] <... mount resumed>) = 0 [pid 6917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6916] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6913] <... futex resumed>) = 0 [pid 6919] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6917] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6916] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] <... openat resumed>) = 3 [pid 6917] <... openat resumed>) = 4 [pid 6916] <... futex resumed>) = 1 [pid 6912] <... futex resumed>) = 0 [pid 6919] chdir("./bus" [pid 6917] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6916] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6913] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6912] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] chdir("./bus" [pid 6919] <... chdir resumed>) = 0 [pid 6917] <... futex resumed>) = 0 [pid 6916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6912] <... futex resumed>) = 0 [pid 6921] <... chdir resumed>) = 0 [pid 6920] <... mount resumed>) = 0 [pid 6919] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6917] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6916] dup(4 [pid 6913] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6920] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6919] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6916] <... dup resumed>) = 5 [pid 6913] <... futex resumed>) = 0 [pid 6921] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6920] <... openat resumed>) = 3 [pid 6919] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6916] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6920] chdir("./bus" [pid 6919] <... futex resumed>) = 1 [pid 6917] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6916] <... futex resumed>) = 1 [pid 6914] <... futex resumed>) = 0 [pid 6912] <... futex resumed>) = 0 [pid 6921] <... futex resumed>) = 1 [pid 6920] <... chdir resumed>) = 0 [pid 6919] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6918] <... futex resumed>) = 0 [pid 6917] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6916] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6914] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6920] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 111.252635][ T6921] loop4: detected capacity change from 0 to 256 [ 111.261268][ T6919] loop2: detected capacity change from 0 to 256 [ 111.276890][ T6920] loop0: detected capacity change from 0 to 256 [pid 6918] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] <... futex resumed>) = 1 [pid 6916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6914] <... futex resumed>) = 0 [pid 6913] <... futex resumed>) = 0 [pid 6912] <... futex resumed>) = 0 [pid 6921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6920] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6919] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6918] <... futex resumed>) = 0 [pid 6917] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6916] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6914] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6913] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6920] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] <... openat resumed>) = 4 [pid 6918] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6913] <... futex resumed>) = 0 [pid 6921] <... openat resumed>) = 4 [pid 6920] <... futex resumed>) = 1 [pid 6919] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] <... futex resumed>) = 0 [pid 6913] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6920] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6919] <... futex resumed>) = 1 [pid 6915] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] <... futex resumed>) = 0 [pid 6921] <... futex resumed>) = 1 [pid 6919] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6918] <... futex resumed>) = 0 [pid 6915] <... futex resumed>) = 0 [pid 6914] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6918] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6914] <... futex resumed>) = 0 [pid 6921] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6919] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6918] <... futex resumed>) = 0 [pid 6914] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6920] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6919] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6917] dup(4) = 5 [pid 6919] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6920] <... openat resumed>) = 4 [pid 6919] <... futex resumed>) = 0 [pid 6917] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] <... futex resumed>) = 1 [pid 6913] <... futex resumed>) = 0 [pid 6917] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6913] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6913] <... futex resumed>) = 0 [pid 6917] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6913] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] <... futex resumed>) = 1 [pid 6920] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6918] <... futex resumed>) = 0 [pid 6921] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6920] <... futex resumed>) = 1 [pid 6918] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] <... futex resumed>) = 0 [pid 6921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6920] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6918] <... futex resumed>) = 0 [pid 6915] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6918] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6915] <... futex resumed>) = 0 [pid 6920] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6921] dup(4 [pid 6920] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6915] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] <... dup resumed>) = 5 [pid 6920] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6920] <... futex resumed>) = 0 [pid 6915] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6920] dup(4 [pid 6921] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6920] <... dup resumed>) = 5 [pid 6915] <... futex resumed>) = 0 [pid 6920] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6920] <... futex resumed>) = 0 [pid 6921] <... futex resumed>) = 1 [pid 6920] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6918] <... futex resumed>) = 0 [pid 6915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6921] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6918] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6918] <... futex resumed>) = 0 [pid 6915] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6918] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6920] <... futex resumed>) = 0 [pid 6915] <... futex resumed>) = 1 [pid 6914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6920] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6915] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6914] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6914] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6919] <... futex resumed>) = 0 [pid 6919] dup(4) = 5 [pid 6919] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6919] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6914] <... futex resumed>) = 0 [pid 6914] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6914] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6919] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6912] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6912] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6912] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6912] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6922 attached [pid 6922] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6912] <... clone3 resumed> => {parent_tid=[6922]}, 88) = 6922 [pid 6912] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6912] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6922] <... rseq resumed>) = 0 [pid 6912] <... futex resumed>) = 0 [pid 6922] set_robust_list(0x7fee5fb339a0, 24 [pid 6912] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6922] <... set_robust_list resumed>) = 0 [pid 6922] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6913] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6913] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6922] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6913] <... futex resumed>) = 0 [pid 6913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6913] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6922] <... madvise resumed>) = 0 [pid 6913] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6923 attached [pid 6922] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6915] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6914] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6923] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6922] <... futex resumed>) = 1 [pid 6918] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] <... clone3 resumed> => {parent_tid=[6923]}, 88) = 6923 [pid 6912] <... futex resumed>) = 0 [pid 6923] <... rseq resumed>) = 0 [pid 6922] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6918] <... futex resumed>) = 0 [pid 6915] <... futex resumed>) = 0 [pid 6914] <... futex resumed>) = 0 [pid 6913] rt_sigprocmask(SIG_SETMASK, [], [pid 6923] set_robust_list(0x7fee5fb339a0, 24 [pid 6918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6913] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] <... mmap resumed>) = 0x7fee5fb13000 [pid 6915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6914] <... mmap resumed>) = 0x7fee5fb13000 [pid 6913] <... futex resumed>) = 0 [pid 6914] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6913] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6923] <... set_robust_list resumed>) = 0 [pid 6918] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6914] <... mprotect resumed>) = 0 [pid 6923] rt_sigprocmask(SIG_SETMASK, [], [pid 6918] <... mprotect resumed>) = 0 [pid 6918] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6915] <... mmap resumed>) = 0x7fee5fb13000 [pid 6923] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6918] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6915] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6914] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6918] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6915] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6924 attached [pid 6915] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6924] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6915] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6924] <... rseq resumed>) = 0 [pid 6918] <... clone3 resumed> => {parent_tid=[6924]}, 88) = 6924 [pid 6915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6925 attached [pid 6924] set_robust_list(0x7fee5fb339a0, 24 [pid 6918] rt_sigprocmask(SIG_SETMASK, [], [pid 6924] <... set_robust_list resumed>) = 0 [pid 6918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6915] <... clone3 resumed> => {parent_tid=[6925]}, 88) = 6925 [pid 6925] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6924] rt_sigprocmask(SIG_SETMASK, [], [pid 6923] <... madvise resumed>) = 0 [pid 6918] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] rt_sigprocmask(SIG_SETMASK, [], [pid 6914] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6925] <... rseq resumed>) = 0 [pid 6924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6918] <... futex resumed>) = 0 [pid 6915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6925] set_robust_list(0x7fee5fb339a0, 24 [pid 6924] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6918] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6915] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] <... set_robust_list resumed>) = 0 [pid 6924] <... madvise resumed>) = 0 [pid 6914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6925] rt_sigprocmask(SIG_SETMASK, [], [pid 6915] <... futex resumed>) = 0 [pid 6925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6915] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6926 attached [pid 6925] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6926] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6925] <... madvise resumed>) = 0 [pid 6923] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] <... clone3 resumed> => {parent_tid=[6926]}, 88) = 6926 [pid 6924] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] <... rseq resumed>) = 0 [pid 6925] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] <... futex resumed>) = 1 [pid 6923] <... futex resumed>) = 1 [pid 6918] <... futex resumed>) = 0 [pid 6914] rt_sigprocmask(SIG_SETMASK, [], [pid 6913] <... futex resumed>) = 0 [pid 6926] set_robust_list(0x7fee5fb339a0, 24 [pid 6925] <... futex resumed>) = 1 [pid 6924] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6923] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6915] <... futex resumed>) = 0 [pid 6926] <... set_robust_list resumed>) = 0 [pid 6926] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6926] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6925] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6914] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] <... futex resumed>) = 0 [pid 6914] <... futex resumed>) = 1 [pid 6926] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6914] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6926] <... madvise resumed>) = 0 [pid 6920] <... mmap resumed>) = 0x20000000 [pid 6926] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] <... mmap resumed>) = 0x20000000 [pid 6921] <... mmap resumed>) = 0x20000000 [pid 6916] <... mmap resumed>) = 0x20000000 [pid 6926] <... futex resumed>) = 1 [pid 6921] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6916] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] <... futex resumed>) = 0 [pid 6926] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6921] <... futex resumed>) = 0 [pid 6917] <... futex resumed>) = 0 [pid 6916] <... futex resumed>) = 0 [pid 6921] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6920] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] <... mmap resumed>) = 0x20000000 [pid 6917] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6916] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6920] <... futex resumed>) = 0 [pid 6919] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] exit_group(0 [pid 6915] exit_group(0 [pid 6924] <... futex resumed>) = ? [pid 6921] <... futex resumed>) = ? [pid 6920] exit_group(0 [pid 6919] <... futex resumed>) = 0 [pid 6918] <... exit_group resumed>) = ? [pid 6915] <... exit_group resumed>) = ? [pid 6925] <... futex resumed>) = ? [pid 6920] <... exit_group resumed>) = ? [pid 6925] +++ exited with 0 +++ [pid 6924] +++ exited with 0 +++ [pid 6921] +++ exited with 0 +++ [pid 6920] +++ exited with 0 +++ [pid 6919] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6914] exit_group(0 [pid 6913] exit_group(0 [pid 6912] exit_group(0 [pid 6926] <... futex resumed>) = ? [pid 6919] <... futex resumed>) = ? [pid 6914] <... exit_group resumed>) = ? [pid 6926] +++ exited with 0 +++ [pid 6923] <... futex resumed>) = ? [pid 6922] <... futex resumed>) = ? [pid 6919] +++ exited with 0 +++ [pid 6918] +++ exited with 0 +++ [pid 6917] <... futex resumed>) = ? [pid 6916] <... futex resumed>) = ? [pid 6914] +++ exited with 0 +++ [pid 6913] <... exit_group resumed>) = ? [pid 6912] <... exit_group resumed>) = ? [pid 6923] +++ exited with 0 +++ [pid 6922] +++ exited with 0 +++ [pid 6916] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6918, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6914, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5840] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5840] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... openat resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 5840] newfstatat(3, "", [pid 5838] newfstatat(3, "", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, [pid 5838] getdents64(3, [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./72/binderfs", [pid 5838] newfstatat(AT_FDCWD, "./73/binderfs", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./72/binderfs" [pid 5838] unlink("./73/binderfs" [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5840] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6912] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6912, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5839] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = 0 [pid 5840] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... umount2 resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./72/bus", [pid 5839] <... openat resumed>) = 3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./72/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] newfstatat(AT_FDCWD, "./73/bus", [pid 5840] <... openat resumed>) = 4 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6917] +++ exited with 0 +++ [pid 6913] +++ exited with 0 +++ [pid 5840] newfstatat(4, "", [pid 5839] newfstatat(3, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6913, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./72/binderfs" [pid 5837] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 5839] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] getdents64(4, [pid 5839] <... umount2 resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./73/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(4, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... openat resumed>) = 4 [pid 5837] <... openat resumed>) = 3 [pid 5839] newfstatat(AT_FDCWD, "./72/bus", [pid 5837] newfstatat(3, "", [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(4, "", [pid 5840] close(4 [pid 5839] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, [pid 5840] rmdir("./72/bus" [pid 5839] openat(AT_FDCWD, "./72/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5838] getdents64(4, [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] newfstatat(4, "", [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(4, [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5839] getdents64(4, [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5840] close(3 [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] newfstatat(AT_FDCWD, "./72/binderfs", [pid 5840] <... close resumed>) = 0 [pid 5839] getdents64(4, [pid 5838] close(4 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] rmdir("./72" [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] <... close resumed>) = 0 [pid 5839] close(4 [pid 5837] unlink("./72/binderfs" [pid 5838] rmdir("./73/bus" [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 5840] mkdir("./73", 0777 [pid 5839] rmdir("./72/bus" [pid 5838] getdents64(3, [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5837] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] getdents64(3, [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5839] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5838] close(3 [pid 5840] <... ioctl resumed>) = 0 [pid 5839] close(3 [pid 5838] <... close resumed>) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 5840] close(3 [pid 5839] <... close resumed>) = 0 [pid 5838] rmdir("./73" [pid 5839] rmdir("./72" [pid 5838] <... rmdir resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] mkdir("./74", 0777 [pid 5839] mkdir("./73", 0777 [pid 5837] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./72/bus", [pid 5839] <... mkdir resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5837] openat(AT_FDCWD, "./72/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... ioctl resumed>) = 0 [pid 5837] <... openat resumed>) = 4 [pid 5839] close(3 [pid 6915] +++ exited with 0 +++ [pid 5839] <... close resumed>) = 0 [pid 5837] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6915, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5840] <... close resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... mkdir resumed>) = 0 [pid 5837] getdents64(4, [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6928 attached [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6927 attached [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6928] set_robust_list(0x55557a9486a0, 24 [pid 5838] <... openat resumed>) = 3 [pid 6927] set_robust_list(0x55557a9486a0, 24 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5837] getdents64(4, [pid 6927] <... set_robust_list resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 6928] <... set_robust_list resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6927 [pid 5838] close(3 [pid 6928] chdir("./73" [pid 6927] chdir("./73" [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6928 [pid 5838] <... close resumed>) = 0 [pid 5837] close(4 [pid 6928] <... chdir resumed>) = 0 [pid 6928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6927] <... chdir resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] <... close resumed>) = 0 [pid 6928] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6929 attached [pid 6928] setpgid(0, 0 [pid 6927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] rmdir("./72/bus" [pid 5836] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6927] <... prctl resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6928] <... setpgid resumed>) = 0 [pid 6928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6927] setpgid(0, 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6927] <... setpgid resumed>) = 0 [pid 5837] getdents64(3, [pid 5836] <... openat resumed>) = 3 [pid 6928] <... openat resumed>) = 3 [pid 6927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] newfstatat(3, "", [pid 6928] write(3, "1000", 4) = 4 [pid 6927] <... openat resumed>) = 3 [pid 6928] close(3 [pid 6927] write(3, "1000", 4 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6927] <... write resumed>) = 4 [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6927] close(3 [pid 5836] getdents64(3, [pid 5837] close(3 [pid 6927] <... close resumed>) = 0 [pid 6927] symlink("/dev/binderfs", "./binderfs" [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] <... close resumed>) = 0 [pid 6928] <... close resumed>) = 0 [pid 6927] <... symlink resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6929 executing program [pid 5837] rmdir("./72" [pid 5836] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6929] set_robust_list(0x55557a9486a0, 24 [pid 6928] symlink("/dev/binderfs", "./binderfs" [pid 6927] write(1, "executing program\n", 18 [pid 6928] <... symlink resumed>) = 0 [pid 6927] <... write resumed>) = 18 executing program [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6929] <... set_robust_list resumed>) = 0 [pid 6928] write(1, "executing program\n", 18 [pid 6927] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] newfstatat(AT_FDCWD, "./72/binderfs", [pid 6929] chdir("./74" [pid 6928] <... write resumed>) = 18 [pid 6927] <... futex resumed>) = 0 [pid 6929] <... chdir resumed>) = 0 [pid 6928] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] mkdir("./73", 0777 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6928] <... futex resumed>) = 0 [pid 6927] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5837] <... mkdir resumed>) = 0 [pid 5836] unlink("./72/binderfs" [pid 6929] <... prctl resumed>) = 0 [pid 6928] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6927] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] <... unlink resumed>) = 0 [pid 6929] setpgid(0, 0 [pid 6928] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6927] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5837] <... openat resumed>) = 3 [pid 5836] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6929] <... setpgid resumed>) = 0 [pid 6928] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6929] <... openat resumed>) = 3 [pid 6927] <... mmap resumed>) = 0x7fee5fb34000 [pid 5837] <... ioctl resumed>) = 0 [pid 6929] write(3, "1000", 4 [pid 6927] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5837] close(3 [pid 6929] <... write resumed>) = 4 [pid 6928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6929] close(3 [pid 6927] <... mprotect resumed>) = 0 [pid 6929] <... close resumed>) = 0 [pid 6928] <... mmap resumed>) = 0x7fee5fb34000 [pid 5837] <... close resumed>) = 0 [pid 5836] <... umount2 resumed>) = 0 [pid 6929] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6927] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6929] write(1, "executing program\n", 18 [pid 6928] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6929] <... write resumed>) = 18 [pid 6929] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] <... mprotect resumed>) = 0 [pid 6927] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6929] <... futex resumed>) = 0 [pid 6927] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6929] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6928] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5836] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6928] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6930 attached [pid 6928] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6931 attached [pid 6929] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6929] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6927] <... clone3 resumed> => {parent_tid=[6931]}, 88) = 6931 [pid 6931] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6927] rt_sigprocmask(SIG_SETMASK, [], [pid 6931] <... rseq resumed>) = 0 [pid 6929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6930 [pid 6931] set_robust_list(0x7fee5fb549a0, 24 [pid 6929] <... mmap resumed>) = 0x7fee5fb34000 [pid 6927] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] newfstatat(AT_FDCWD, "./72/bus", ./strace-static-x86_64: Process 6932 attached [pid 6931] <... set_robust_list resumed>) = 0 [pid 6929] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6927] <... futex resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6931] rt_sigprocmask(SIG_SETMASK, [], [pid 6929] <... mprotect resumed>) = 0 [pid 6927] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5836] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6932] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6930] set_robust_list(0x55557a9486a0, 24 [pid 6929] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6928] <... clone3 resumed> => {parent_tid=[6932]}, 88) = 6932 [pid 6932] <... rseq resumed>) = 0 [pid 6931] memfd_create("syzkaller", 0 [pid 6930] <... set_robust_list resumed>) = 0 [pid 6928] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6932] set_robust_list(0x7fee5fb549a0, 24) = 0 [pid 6931] <... memfd_create resumed>) = 3 [pid 6929] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5836] openat(AT_FDCWD, "./72/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6932] rt_sigprocmask(SIG_SETMASK, [], [pid 6931] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6930] chdir("./73" [pid 6929] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6928] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6933 attached [pid 6932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6931] <... mmap resumed>) = 0x7fee57600000 [pid 6930] <... chdir resumed>) = 0 [pid 5836] <... openat resumed>) = 4 [pid 6933] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6932] memfd_create("syzkaller", 0 [pid 6931] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6930] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6929] <... clone3 resumed> => {parent_tid=[6933]}, 88) = 6933 [pid 6928] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] newfstatat(4, "", [pid 6933] <... rseq resumed>) = 0 [pid 6932] <... memfd_create resumed>) = 3 [pid 6930] <... prctl resumed>) = 0 [pid 6928] <... futex resumed>) = 0 [pid 6933] set_robust_list(0x7fee5fb549a0, 24 [pid 6932] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6929] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6933] <... set_robust_list resumed>) = 0 [pid 6932] <... mmap resumed>) = 0x7fee57600000 [pid 6931] <... write resumed>) = 131072 [pid 6930] setpgid(0, 0 [pid 6929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6928] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5836] getdents64(4, [pid 6933] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6929] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6933] memfd_create("syzkaller", 0 [pid 6932] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6930] <... setpgid resumed>) = 0 [pid 6929] <... futex resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6933] <... memfd_create resumed>) = 3 [pid 6931] munmap(0x7fee57600000, 138412032 [pid 6930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6929] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6933] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6931] <... munmap resumed>) = 0 [pid 5836] getdents64(4, [pid 6930] <... openat resumed>) = 3 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6933] <... mmap resumed>) = 0x7fee57600000 [pid 5836] close(4 [pid 6931] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6931] ioctl(4, LOOP_SET_FD, 3 [pid 6933] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6932] <... write resumed>) = 131072 [pid 6930] write(3, "1000", 4 [pid 5836] <... close resumed>) = 0 [pid 6933] <... write resumed>) = 131072 [pid 5836] rmdir("./72/bus" [pid 6933] munmap(0x7fee57600000, 138412032) = 0 [pid 6933] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6930] <... write resumed>) = 4 [pid 5836] <... rmdir resumed>) = 0 [pid 6933] ioctl(4, LOOP_SET_FD, 3 [pid 6932] munmap(0x7fee57600000, 138412032 [pid 6930] close(3 [pid 5836] getdents64(3, [pid 6930] <... close resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6931] <... ioctl resumed>) = 0 [pid 6932] <... munmap resumed>) = 0 [pid 5836] close(3 [pid 6930] symlink("/dev/binderfs", "./binderfs" [pid 5836] <... close resumed>) = 0 [pid 6931] close(3 [pid 6930] <... symlink resumed>) = 0 [pid 5836] rmdir("./72" [pid 6931] <... close resumed>) = 0 [pid 6931] close(4executing program [pid 6932] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6930] write(1, "executing program\n", 18 [pid 5836] <... rmdir resumed>) = 0 [pid 6930] <... write resumed>) = 18 [pid 6932] <... openat resumed>) = 4 [pid 6930] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] mkdir("./73", 0777 [pid 6930] <... futex resumed>) = 0 [pid 6933] <... ioctl resumed>) = 0 [pid 6932] ioctl(4, LOOP_SET_FD, 3 [pid 6931] <... close resumed>) = 0 [pid 6930] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5836] <... mkdir resumed>) = 0 [pid 6931] mkdir("./bus", 0777 [pid 6930] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6931] <... mkdir resumed>) = 0 [pid 6931] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6933] close(3 [pid 6931] <... mount resumed>) = 0 [pid 6930] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6933] <... close resumed>) = 0 [pid 6932] <... ioctl resumed>) = 0 [pid 6931] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... openat resumed>) = 3 [pid 6933] close(4 [pid 6932] close(3 [pid 6930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6933] <... close resumed>) = 0 [pid 6931] <... openat resumed>) = 3 [pid 6933] mkdir("./bus", 0777 [pid 6932] <... close resumed>) = 0 [pid 6930] <... mmap resumed>) = 0x7fee5fb34000 [pid 5836] <... ioctl resumed>) = 0 [pid 6933] <... mkdir resumed>) = 0 [pid 6931] chdir("./bus" [pid 6930] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6933] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6932] close(4 [pid 6931] <... chdir resumed>) = 0 [pid 6930] <... mprotect resumed>) = 0 [pid 5836] close(3 [pid 6932] <... close resumed>) = 0 [pid 6931] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6930] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6933] <... mount resumed>) = 0 [pid 6932] mkdir("./bus", 0777 [pid 6931] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5836] <... close resumed>) = 0 [pid 6933] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6931] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6933] <... openat resumed>) = 3 [pid 6931] <... futex resumed>) = 1 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6933] chdir("./bus" [ 111.693400][ T6931] loop4: detected capacity change from 0 to 256 [ 111.705739][ T6933] loop2: detected capacity change from 0 to 256 [ 111.728547][ T6932] loop3: detected capacity change from 0 to 256 [pid 6932] <... mkdir resumed>) = 0 [pid 6931] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6930] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6934 attached [pid 6933] <... chdir resumed>) = 0 [pid 6927] <... futex resumed>) = 0 [pid 6933] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6927] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6934 [pid 6933] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6931] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6927] <... futex resumed>) = 0 [pid 6932] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6934] set_robust_list(0x55557a9486a0, 24 [pid 6930] <... clone3 resumed> => {parent_tid=[6935]}, 88) = 6935 [pid 6934] <... set_robust_list resumed>) = 0 [pid 6933] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... openat resumed>) = 4 [pid 6930] rt_sigprocmask(SIG_SETMASK, [], [pid 6927] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6935 attached [pid 6934] chdir("./73" [pid 6933] <... futex resumed>) = 1 [pid 6931] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6929] <... futex resumed>) = 0 [pid 6927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] <... chdir resumed>) = 0 [pid 6933] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6931] <... futex resumed>) = 0 [pid 6929] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6931] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6930] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] <... futex resumed>) = 0 [pid 6927] <... futex resumed>) = 0 [pid 6935] <... rseq resumed>) = 0 [pid 6934] <... prctl resumed>) = 0 [pid 6933] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6932] <... mount resumed>) = 0 [pid 6931] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... futex resumed>) = 0 [pid 6929] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6927] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6935] set_robust_list(0x7fee5fb549a0, 24 [pid 6934] setpgid(0, 0 [pid 6933] <... openat resumed>) = 4 [pid 6932] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6931] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6935] <... set_robust_list resumed>) = 0 [pid 6934] <... setpgid resumed>) = 0 [pid 6933] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... futex resumed>) = 0 [pid 6927] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] rt_sigprocmask(SIG_SETMASK, [], [pid 6932] <... openat resumed>) = 3 [pid 6934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6935] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6927] <... futex resumed>) = 0 [pid 6935] memfd_create("syzkaller", 0 [pid 6934] <... openat resumed>) = 3 [pid 6932] chdir("./bus" [pid 6927] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6935] <... memfd_create resumed>) = 3 [pid 6934] write(3, "1000", 4 [pid 6932] <... chdir resumed>) = 0 [pid 6931] dup(4 [pid 6935] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6934] <... write resumed>) = 4 [pid 6933] <... futex resumed>) = 1 [pid 6932] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6931] <... dup resumed>) = 5 [pid 6929] <... futex resumed>) = 0 [pid 6935] <... mmap resumed>) = 0x7fee57600000 [pid 6934] close(3 [pid 6933] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6932] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6931] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6934] <... close resumed>) = 0 [pid 6933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6932] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... futex resumed>) = 1 [pid 6929] <... futex resumed>) = 0 [pid 6927] <... futex resumed>) = 0 [pid 6935] <... write resumed>) = 131072 [pid 6934] symlink("/dev/binderfs", "./binderfs" [pid 6933] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6932] <... futex resumed>) = 1 [pid 6931] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6929] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6928] <... futex resumed>) = 0 [pid 6927] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... symlink resumed>) = 0 [pid 6933] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6932] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6928] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] <... futex resumed>) = 0 [pid 6935] munmap(0x7fee57600000, 138412032executing program [pid 6934] write(1, "executing program\n", 18 [pid 6933] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6931] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6928] <... futex resumed>) = 0 [pid 6927] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6935] <... munmap resumed>) = 0 [pid 6934] <... write resumed>) = 18 [pid 6932] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6928] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6933] <... futex resumed>) = 1 [pid 6933] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6929] <... futex resumed>) = 0 [pid 6934] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6932] <... openat resumed>) = 4 [pid 6929] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... futex resumed>) = 0 [pid 6935] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6934] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6933] dup(4 [pid 6932] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] <... futex resumed>) = 0 [pid 6935] <... openat resumed>) = 4 [pid 6934] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6933] <... dup resumed>) = 5 [pid 6932] <... futex resumed>) = 1 [pid 6929] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6928] <... futex resumed>) = 0 [pid 6935] ioctl(4, LOOP_SET_FD, 3 [pid 6934] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6933] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6928] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6933] <... futex resumed>) = 0 [pid 6932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6929] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] <... futex resumed>) = 0 [pid 6934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6932] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6928] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6934] <... mmap resumed>) = 0x7fee5fb34000 [pid 6932] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6934] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6932] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... mprotect resumed>) = 0 [pid 6933] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6932] <... futex resumed>) = 1 [pid 6929] <... futex resumed>) = 0 [pid 6928] <... futex resumed>) = 0 [pid 6928] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6932] dup(4 [pid 6929] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6928] <... futex resumed>) = 0 [pid 6934] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6932] <... dup resumed>) = 5 [pid 6928] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6935] <... ioctl resumed>) = 0 [pid 6932] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6936 attached [pid 6935] close(3 [pid 6932] <... futex resumed>) = 0 [pid 6928] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6935] <... close resumed>) = 0 [pid 6934] <... clone3 resumed> => {parent_tid=[6936]}, 88) = 6936 [pid 6932] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6928] <... futex resumed>) = 0 [pid 6936] <... rseq resumed>) = 0 [pid 6935] close(4 [pid 6928] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6936] set_robust_list(0x7fee5fb549a0, 24 [pid 6935] <... close resumed>) = 0 [pid 6935] mkdir("./bus", 0777 [pid 6927] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6927] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] <... set_robust_list resumed>) = 0 [pid 6927] <... futex resumed>) = 0 [pid 6936] rt_sigprocmask(SIG_SETMASK, [], [pid 6927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6935] <... mkdir resumed>) = 0 [pid 6936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6927] <... mmap resumed>) = 0x7fee5fb13000 [pid 6936] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6927] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6934] rt_sigprocmask(SIG_SETMASK, [], [pid 6935] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6927] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6927] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6937 attached [pid 6934] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] <... futex resumed>) = 0 [pid 6934] <... futex resumed>) = 1 [pid 6927] <... clone3 resumed> => {parent_tid=[6937]}, 88) = 6937 [pid 6935] <... mount resumed>) = 0 [pid 6934] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6936] memfd_create("syzkaller", 0 [pid 6927] rt_sigprocmask(SIG_SETMASK, [], [pid 6937] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6936] <... memfd_create resumed>) = 3 [pid 6927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6937] <... rseq resumed>) = 0 [pid 6936] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6927] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6937] set_robust_list(0x7fee5fb339a0, 24 [pid 6936] <... mmap resumed>) = 0x7fee57600000 [pid 6927] <... futex resumed>) = 0 [pid 6937] <... set_robust_list resumed>) = 0 [pid 6936] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6935] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6927] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6935] <... openat resumed>) = 3 [pid 6935] chdir("./bus") = 0 [pid 6937] rt_sigprocmask(SIG_SETMASK, [], [pid 6936] <... write resumed>) = 131072 [pid 6937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6936] munmap(0x7fee57600000, 138412032 [pid 6935] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6937] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6936] <... munmap resumed>) = 0 [ 111.819821][ T6935] loop1: detected capacity change from 0 to 256 [pid 6937] <... madvise resumed>) = 0 [pid 6936] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6937] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] <... openat resumed>) = 4 [pid 6935] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6929] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6937] <... futex resumed>) = 1 [pid 6936] ioctl(4, LOOP_SET_FD, 3 [pid 6935] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] <... futex resumed>) = 0 [pid 6937] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6935] <... futex resumed>) = 1 [pid 6930] <... futex resumed>) = 0 [pid 6928] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6935] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6930] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] <... futex resumed>) = 0 [pid 6928] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6930] <... futex resumed>) = 0 [pid 6928] <... futex resumed>) = 0 [pid 6935] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6930] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6935] <... openat resumed>) = 4 [pid 6929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6928] <... mmap resumed>) = 0x7fee5fb13000 [pid 6935] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] <... mmap resumed>) = 0x7fee5fb13000 [pid 6928] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6935] <... futex resumed>) = 1 [pid 6930] <... futex resumed>) = 0 [pid 6929] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6930] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] <... mprotect resumed>) = 0 [pid 6935] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6930] <... futex resumed>) = 0 [pid 6929] <... mprotect resumed>) = 0 [pid 6928] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6935] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6928] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6929] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6928] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6929] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6939 attached [pid 6939] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6929] <... clone3 resumed> => {parent_tid=[6939]}, 88) = 6939 ./strace-static-x86_64: Process 6938 attached [pid 6939] <... rseq resumed>) = 0 [pid 6935] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] rt_sigprocmask(SIG_SETMASK, [], [pid 6939] set_robust_list(0x7fee5fb339a0, 24 [pid 6935] <... futex resumed>) = 1 [pid 6930] <... futex resumed>) = 0 [pid 6929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6928] <... clone3 resumed> => {parent_tid=[6938]}, 88) = 6938 [pid 6939] <... set_robust_list resumed>) = 0 [pid 6938] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6936] <... ioctl resumed>) = 0 [pid 6935] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6930] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] rt_sigprocmask(SIG_SETMASK, [], [pid 6939] rt_sigprocmask(SIG_SETMASK, [], [pid 6938] <... rseq resumed>) = 0 [pid 6936] close(3 [pid 6935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6930] <... futex resumed>) = 0 [pid 6929] <... futex resumed>) = 0 [pid 6928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6938] set_robust_list(0x7fee5fb339a0, 24 [pid 6936] <... close resumed>) = 0 [pid 6930] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6929] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6928] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6938] <... set_robust_list resumed>) = 0 [pid 6936] close(4 [pid 6935] dup(4 [pid 6928] <... futex resumed>) = 0 [pid 6938] rt_sigprocmask(SIG_SETMASK, [], [pid 6936] <... close resumed>) = 0 [pid 6935] <... dup resumed>) = 5 [pid 6928] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6935] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6938] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6939] <... madvise resumed>) = 0 [pid 6936] mkdir("./bus", 0777) = 0 [pid 6936] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6939] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] <... futex resumed>) = 1 [pid 6939] <... futex resumed>) = 1 [pid 6929] <... futex resumed>) = 0 [pid 6939] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6935] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6930] <... futex resumed>) = 0 [ 111.890477][ T6936] loop0: detected capacity change from 0 to 256 [pid 6936] <... mount resumed>) = 0 [pid 6930] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6936] chdir("./bus") = 0 [pid 6936] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6936] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6934] <... futex resumed>) = 0 [pid 6936] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6934] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] <... openat resumed>) = 4 [pid 6935] <... futex resumed>) = 0 [pid 6934] <... futex resumed>) = 0 [pid 6930] <... futex resumed>) = 1 [pid 6938] <... madvise resumed>) = 0 [pid 6936] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6934] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6930] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6936] <... futex resumed>) = 0 [pid 6934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6934] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6936] fcntl(-1, F_SETLEASE, F_WRLCK) = -1 EBADF (Bad file descriptor) [pid 6936] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6934] <... futex resumed>) = 0 [pid 6936] dup(4 [pid 6934] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] <... dup resumed>) = 5 [pid 6934] <... futex resumed>) = 0 [pid 6938] <... futex resumed>) = 1 [pid 6936] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6928] <... futex resumed>) = 0 [pid 6938] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6936] <... futex resumed>) = 0 [pid 6934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6936] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6934] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6934] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6930] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6930] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6930] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6930] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6930] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6940 attached => {parent_tid=[6940]}, 88) = 6940 [pid 6934] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6930] rt_sigprocmask(SIG_SETMASK, [], [pid 6940] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6934] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6940] <... rseq resumed>) = 0 [pid 6935] <... mmap resumed>) = 0x20000000 [pid 6934] <... futex resumed>) = 0 [pid 6932] <... mmap resumed>) = 0x20000000 [pid 6931] <... mmap resumed>) = 0x20000000 [pid 6930] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] set_robust_list(0x7fee5fb339a0, 24 [pid 6935] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6932] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] <... futex resumed>) = 0 [pid 6931] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] <... set_robust_list resumed>) = 0 [pid 6936] <... mmap resumed>) = 0x20000000 [pid 6935] <... futex resumed>) = 0 [pid 6934] <... mmap resumed>) = 0x7fee5fb13000 [pid 6933] <... mmap resumed>) = 0x20000000 [pid 6932] <... futex resumed>) = 0 [pid 6931] <... futex resumed>) = 0 [pid 6930] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6940] rt_sigprocmask(SIG_SETMASK, [], [pid 6936] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6933] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6931] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6929] exit_group(0 [pid 6928] exit_group(0 [pid 6927] exit_group(0 [pid 6940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6939] <... futex resumed>) = ? [pid 6937] <... futex resumed>) = ? [pid 6936] <... futex resumed>) = 0 [pid 6934] <... mprotect resumed>) = 0 [pid 6933] <... futex resumed>) = ? [pid 6929] <... exit_group resumed>) = ? [pid 6927] <... exit_group resumed>) = ? [pid 6928] <... exit_group resumed>) = ? [pid 6940] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6939] +++ exited with 0 +++ [pid 6938] <... futex resumed>) = ? [pid 6937] +++ exited with 0 +++ [pid 6936] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6933] +++ exited with 0 +++ [pid 6932] <... futex resumed>) = ? [pid 6931] <... futex resumed>) = ? [pid 6940] <... madvise resumed>) = 0 [pid 6938] +++ exited with 0 +++ [pid 6934] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6929] +++ exited with 0 +++ [pid 6934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6929, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- ./strace-static-x86_64: Process 6941 attached [pid 6941] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6934] <... clone3 resumed> => {parent_tid=[6941]}, 88) = 6941 [pid 6941] <... rseq resumed>) = 0 [pid 6934] rt_sigprocmask(SIG_SETMASK, [], [pid 6932] +++ exited with 0 +++ [pid 6928] +++ exited with 0 +++ [pid 6941] set_robust_list(0x7fee5fb339a0, 24 [pid 6934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6928, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6941] <... set_robust_list resumed>) = 0 [pid 6934] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 6941] rt_sigprocmask(SIG_SETMASK, [], [pid 6934] <... futex resumed>) = 0 [pid 6941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6940] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6941] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6940] <... futex resumed>) = 1 [pid 6930] <... futex resumed>) = 0 [pid 6940] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6930] exit_group(0 [pid 6940] <... futex resumed>) = ? [pid 6935] <... futex resumed>) = ? [pid 6930] <... exit_group resumed>) = ? [pid 6935] +++ exited with 0 +++ [pid 5839] <... restart_syscall resumed>) = 0 [pid 6931] +++ exited with 0 +++ [pid 6927] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6927, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6940] +++ exited with 0 +++ [pid 6941] <... madvise resumed>) = 0 [pid 6930] +++ exited with 0 +++ [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5839] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6941] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6941] <... futex resumed>) = 1 [pid 5839] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6941] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] <... futex resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6930, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6934] exit_group(0 [pid 5839] newfstatat(3, "", [pid 5837] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6941] <... futex resumed>) = ? [pid 6936] <... futex resumed>) = ? [pid 6934] <... exit_group resumed>) = ? [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6941] +++ exited with 0 +++ [pid 6936] +++ exited with 0 +++ [pid 5839] getdents64(3, [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./73/binderfs") = 0 [pid 5839] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... openat resumed>) = 3 [pid 5837] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... restart_syscall resumed>) = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5838] newfstatat(3, "", [pid 5837] <... openat resumed>) = 3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] newfstatat(3, "", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(3, [pid 5840] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] newfstatat(AT_FDCWD, "./73/bus", [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5840] <... openat resumed>) = 3 [pid 5840] newfstatat(3, "", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] getdents64(3, [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] getdents64(3, [pid 5837] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5838] newfstatat(AT_FDCWD, "./74/binderfs", [pid 5837] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "./73/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./73/binderfs", [pid 5839] <... openat resumed>) = 4 [pid 5837] newfstatat(AT_FDCWD, "./73/binderfs", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(4, "", [pid 5840] unlink("./73/binderfs" [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] getdents64(4, [pid 5837] unlink("./73/binderfs" [pid 5840] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] unlink("./74/binderfs" [pid 5837] <... unlink resumed>) = 0 [pid 5839] getdents64(4, [pid 5837] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5839] close(4 [pid 5838] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... close resumed>) = 0 [pid 5839] rmdir("./73/bus") = 0 [pid 5839] getdents64(3, 0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 5839] close(3 [pid 5838] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] rmdir("./73" [pid 5838] newfstatat(AT_FDCWD, "./74/bus", [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] mkdir("./74", 0777 [pid 5837] <... umount2 resumed>) = 0 [pid 5838] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./74/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... openat resumed>) = 4 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] newfstatat(4, "", [pid 5837] newfstatat(AT_FDCWD, "./73/bus", [pid 5840] <... umount2 resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] getdents64(4, [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... ioctl resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] close(3 [pid 5840] newfstatat(AT_FDCWD, "./73/bus", [pid 5838] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5837] openat(AT_FDCWD, "./73/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... close resumed>) = 0 [pid 5837] <... openat resumed>) = 4 [pid 5837] newfstatat(4, "", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] getdents64(4, [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6942 attached [pid 5838] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] getdents64(4, [pid 6942] set_robust_list(0x55557a9486a0, 24 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6942] <... set_robust_list resumed>) = 0 [pid 5838] close(4 [pid 5837] getdents64(4, [pid 6942] chdir("./74") = 0 [pid 6942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6942] setpgid(0, 0) = 0 [pid 6942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] <... close resumed>) = 0 [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6942] <... openat resumed>) = 3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... clone resumed>, child_tidptr=0x55557a948690) = 6942 [pid 5838] rmdir("./74/bus" [pid 5837] close(4 [pid 5840] openat(AT_FDCWD, "./73/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6942] write(3, "1000", 4 [pid 5840] <... openat resumed>) = 4 [pid 5837] <... close resumed>) = 0 [pid 6942] <... write resumed>) = 4 [pid 6942] close(3 [pid 5840] newfstatat(4, "", [pid 5837] rmdir("./73/bus" [pid 6942] <... close resumed>) = 0 [pid 6942] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... rmdir resumed>) = 0 executing program [pid 6942] write(1, "executing program\n", 18 [pid 5840] getdents64(4, [pid 5838] <... rmdir resumed>) = 0 [pid 6942] <... write resumed>) = 18 [pid 5837] getdents64(3, [pid 6942] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(3, [pid 6942] <... futex resumed>) = 0 [pid 5840] getdents64(4, [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6942] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 5840] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5838] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5837] close(3 [pid 6942] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5840] close(4 [pid 5838] close(3 [pid 6942] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5840] <... close resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 6942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] rmdir("./73/bus" [pid 5838] <... close resumed>) = 0 [pid 5837] rmdir("./73" [pid 6942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb34000 [pid 6942] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5838] rmdir("./74" [pid 5837] <... rmdir resumed>) = 0 [pid 6942] <... mprotect resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 6942] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] <... rmdir resumed>) = 0 [pid 5837] mkdir("./74", 0777 [pid 5840] getdents64(3, [pid 6942] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] mkdir("./75", 0777 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5840] close(3 [pid 5837] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6943 attached [pid 5840] <... close resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5840] rmdir("./73" [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] <... openat resumed>) = 3 [pid 6943] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6942] <... clone3 resumed> => {parent_tid=[6943]}, 88) = 6943 [pid 5840] <... rmdir resumed>) = 0 [pid 6943] <... rseq resumed>) = 0 [pid 6942] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] mkdir("./74", 0777 [pid 5838] <... openat resumed>) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6943] set_robust_list(0x7fee5fb549a0, 24 [pid 6942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6943] <... set_robust_list resumed>) = 0 [pid 6942] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5837] <... ioctl resumed>) = 0 [pid 6943] rt_sigprocmask(SIG_SETMASK, [], [pid 6942] <... futex resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 6943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6942] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5838] close(3 [pid 5837] close(3 [pid 6943] memfd_create("syzkaller", 0) = 3 [pid 6943] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee57600000 [pid 5837] <... close resumed>) = 0 [pid 6943] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 6934] +++ exited with 0 +++ [pid 5840] <... openat resumed>) = 3 [pid 5838] <... close resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6945 attached ./strace-static-x86_64: Process 6944 attached [pid 6943] munmap(0x7fee57600000, 138412032 [pid 5840] <... ioctl resumed>) = 0 [pid 6945] set_robust_list(0x55557a9486a0, 24 [pid 6944] set_robust_list(0x55557a9486a0, 24 [pid 6943] <... munmap resumed>) = 0 [pid 5840] close(3 [pid 5838] <... clone resumed>, child_tidptr=0x55557a948690) = 6944 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6945 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6934, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6945] <... set_robust_list resumed>) = 0 [pid 6943] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5840] <... close resumed>) = 0 [pid 5836] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6945] chdir("./74" [pid 6944] <... set_robust_list resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6945] <... chdir resumed>) = 0 [pid 6943] ioctl(4, LOOP_SET_FD, 3 [pid 6945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6944] chdir("./75" [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6945] <... prctl resumed>) = 0 [pid 6945] setpgid(0, 0 [pid 5836] <... openat resumed>) = 3 [pid 6945] <... setpgid resumed>) = 0 [pid 5836] newfstatat(3, "", [pid 6945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6944] <... chdir resumed>) = 0 [pid 5836] getdents64(3, [pid 6944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5836] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./73/binderfs", ./strace-static-x86_64: Process 6946 attached [pid 6945] <... openat resumed>) = 3 [pid 6944] setpgid(0, 0 [pid 6943] <... ioctl resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6946] set_robust_list(0x55557a9486a0, 24 [pid 6945] write(3, "1000", 4 [pid 6944] <... setpgid resumed>) = 0 [pid 6943] close(3 [pid 5840] <... clone resumed>, child_tidptr=0x55557a948690) = 6946 [pid 5836] unlink("./73/binderfs" [pid 6946] <... set_robust_list resumed>) = 0 [pid 6945] <... write resumed>) = 4 [pid 6943] <... close resumed>) = 0 [pid 6946] chdir("./74" [pid 6944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... unlink resumed>) = 0 [pid 6946] <... chdir resumed>) = 0 [pid 6945] close(3 [pid 6943] close(4 [pid 6946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6945] <... close resumed>) = 0 executing program [pid 6943] <... close resumed>) = 0 [pid 6946] <... prctl resumed>) = 0 [pid 6945] symlink("/dev/binderfs", "./binderfs" [pid 6944] <... openat resumed>) = 3 [pid 5836] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6944] write(3, "1000", 4 [pid 6946] setpgid(0, 0 [pid 6944] <... write resumed>) = 4 [pid 6943] mkdir("./bus", 0777 [pid 6944] close(3 [pid 6945] <... symlink resumed>) = 0 [pid 6944] <... close resumed>) = 0 [pid 5836] <... umount2 resumed>) = 0 [pid 6944] symlink("/dev/binderfs", "./binderfs" [pid 6946] <... setpgid resumed>) = 0 [pid 6945] write(1, "executing program\n", 18 [pid 6944] <... symlink resumed>) = 0 [pid 6943] <... mkdir resumed>) = 0 [pid 6946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6945] <... write resumed>) = 18 [pid 6945] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] <... openat resumed>) = 3 [pid 6945] <... futex resumed>) = 0 [pid 6944] write(1, "executing program\n", 18 [pid 5836] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6946] write(3, "1000", 4 [pid 6945] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, executing program [pid 6943] mount("/dev/loop3", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6946] <... write resumed>) = 4 [pid 6945] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6944] <... write resumed>) = 18 [pid 6946] close(3 [pid 6945] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6944] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] <... close resumed>) = 0 [pid 6945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6944] <... futex resumed>) = 0 [pid 5836] newfstatat(AT_FDCWD, "./73/bus", [pid 6946] symlink("/dev/binderfs", "./binderfs" [pid 6945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6944] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6946] <... symlink resumed>) = 0 [pid 6945] <... mmap resumed>) = 0x7fee5fb34000 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6944] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5836] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6946] write(1, "executing program\n", 18 [pid 6945] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6944] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6946] <... write resumed>) = 18 [pid 6945] <... mprotect resumed>) = 0 [pid 6944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6943] <... mount resumed>) = 0 [pid 5836] openat(AT_FDCWD, "./73/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6943] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6944] <... mmap resumed>) = 0x7fee5fb34000 [pid 6944] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6946] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6944] <... mprotect resumed>) = 0 [pid 6943] <... openat resumed>) = 3 [pid 5836] <... openat resumed>) = 4 [pid 6946] <... futex resumed>) = 0 [pid 6945] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6946] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6944] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6943] chdir("./bus" [pid 5836] newfstatat(4, "", ./strace-static-x86_64: Process 6947 attached [pid 6946] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6943] <... chdir resumed>) = 0 [pid 6947] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6944] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6943] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6947] <... rseq resumed>) = 0 [pid 5836] getdents64(4, [pid 6946] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6945] <... clone3 resumed> => {parent_tid=[6947]}, 88) = 6947 [pid 6943] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 6947] set_robust_list(0x7fee5fb549a0, 24 [pid 6946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6945] rt_sigprocmask(SIG_SETMASK, [], [pid 6944] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 5836] getdents64(4, [pid 6947] <... set_robust_list resumed>) = 0 [pid 6946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6945] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6948 attached [pid 6947] rt_sigprocmask(SIG_SETMASK, [], [pid 6946] <... mmap resumed>) = 0x7fee5fb34000 [pid 6945] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6946] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6945] <... futex resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 6948] <... rseq resumed>) = 0 [pid 6947] memfd_create("syzkaller", 0 [pid 6946] <... mprotect resumed>) = 0 [ 112.175464][ T6943] loop3: detected capacity change from 0 to 256 [pid 6945] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6944] <... clone3 resumed> => {parent_tid=[6948]}, 88) = 6948 [pid 6943] <... futex resumed>) = 1 [pid 6942] <... futex resumed>) = 0 [pid 5836] close(4 [pid 6948] set_robust_list(0x7fee5fb549a0, 24 [pid 6946] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6942] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... close resumed>) = 0 [pid 6948] <... set_robust_list resumed>) = 0 [pid 6942] <... futex resumed>) = 0 [pid 6943] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 5836] rmdir("./73/bus" [pid 6947] <... memfd_create resumed>) = 3 [pid 6944] rt_sigprocmask(SIG_SETMASK, [], [pid 6948] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6948] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6942] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6947] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6946] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6947] <... mmap resumed>) = 0x7fee57600000 [pid 6946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0} [pid 6944] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] <... openat resumed>) = 4 [pid 5836] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6949 attached [pid 6948] <... futex resumed>) = 0 [pid 6944] <... futex resumed>) = 1 [pid 6948] memfd_create("syzkaller", 0) = 3 [pid 6946] <... clone3 resumed> => {parent_tid=[6949]}, 88) = 6949 [pid 6949] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6948] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6947] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6946] rt_sigprocmask(SIG_SETMASK, [], [pid 6944] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6943] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] <... rseq resumed>) = 0 [pid 6948] <... mmap resumed>) = 0x7fee57600000 [pid 6946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6949] set_robust_list(0x7fee5fb549a0, 24 [pid 6948] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6946] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] <... futex resumed>) = 1 [pid 6942] <... futex resumed>) = 0 [pid 5836] getdents64(3, [pid 6949] <... set_robust_list resumed>) = 0 [pid 6946] <... futex resumed>) = 0 [pid 6943] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6942] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] rt_sigprocmask(SIG_SETMASK, [], [pid 6947] <... write resumed>) = 131072 [pid 6946] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5836] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 6942] <... futex resumed>) = 0 [pid 6949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6948] <... write resumed>) = 131072 [pid 6943] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6942] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] close(3) = 0 [pid 6943] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] rmdir("./73" [pid 6943] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] memfd_create("syzkaller", 0 [pid 6948] munmap(0x7fee57600000, 138412032 [pid 6943] <... futex resumed>) = 1 [pid 6942] <... futex resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 6949] <... memfd_create resumed>) = 3 [pid 6948] <... munmap resumed>) = 0 [pid 6947] munmap(0x7fee57600000, 138412032 [pid 6943] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6942] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6942] <... futex resumed>) = 0 [pid 6949] <... mmap resumed>) = 0x7fee57600000 [pid 6948] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6943] dup(4 [pid 6942] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6949] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6948] <... openat resumed>) = 4 [pid 6947] <... munmap resumed>) = 0 [pid 6943] <... dup resumed>) = 5 [pid 5836] mkdir("./74", 0777 [pid 6943] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6942] <... futex resumed>) = 0 [pid 6943] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6948] ioctl(4, LOOP_SET_FD, 3 [pid 6949] <... write resumed>) = 131072 [pid 6947] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6942] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... mkdir resumed>) = 0 [pid 6949] munmap(0x7fee57600000, 138412032 [pid 6947] <... openat resumed>) = 4 [pid 6943] <... futex resumed>) = 0 [pid 6942] <... futex resumed>) = 1 [pid 6948] <... ioctl resumed>) = 0 [pid 6943] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6942] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6949] <... munmap resumed>) = 0 [pid 6948] close(3 [pid 6947] ioctl(4, LOOP_SET_FD, 3 [pid 6949] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6948] <... close resumed>) = 0 [pid 6947] <... ioctl resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 6949] <... openat resumed>) = 4 [pid 6948] close(4) = 0 [pid 6948] mkdir("./bus", 0777) = 0 [pid 6948] mount("/dev/loop2", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6949] ioctl(4, LOOP_SET_FD, 3 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 6948] <... mount resumed>) = 0 [pid 5836] <... ioctl resumed>) = 0 [pid 5836] close(3) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6950 attached [pid 6950] set_robust_list(0x55557a9486a0, 24 [pid 5836] <... clone resumed>, child_tidptr=0x55557a948690) = 6950 [pid 6950] <... set_robust_list resumed>) = 0 [pid 6950] chdir("./74") = 0 [pid 6950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6950] setpgid(0, 0) = 0 [pid 6950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6948] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6950] <... openat resumed>) = 3 [pid 6950] write(3, "1000", 4) = 4 [pid 6950] close(3) = 0 [pid 6950] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6950] write(1, "executing program\n", 18) = 18 [pid 6950] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6948] <... openat resumed>) = 3 [pid 6947] close(3 [pid 6948] chdir("./bus" [pid 6947] <... close resumed>) = 0 [pid 6948] <... chdir resumed>) = 0 [pid 6947] close(4 [pid 6950] rt_sigaction(SIGRT_1, {sa_handler=0x7fee5fbcd410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fee5fbbed50}, [pid 6948] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6947] <... close resumed>) = 0 [pid 6950] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6950] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6949] <... ioctl resumed>) = 0 [pid 6948] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6947] mkdir("./bus", 0777 [pid 6950] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6949] close(3 [pid 6948] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6949] <... close resumed>) = 0 [pid 6948] <... futex resumed>) = 1 [pid 6947] <... mkdir resumed>) = 0 [pid 6944] <... futex resumed>) = 0 [pid 6950] <... mmap resumed>) = 0x7fee5fb34000 [pid 6949] close(4 [pid 6948] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6947] mount("/dev/loop1", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6944] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] mprotect(0x7fee5fb35000, 131072, PROT_READ|PROT_WRITE [pid 6949] <... close resumed>) = 0 [pid 6944] <... futex resumed>) = 0 [pid 6950] <... mprotect resumed>) = 0 [pid 6949] mkdir("./bus", 0777 [pid 6948] <... openat resumed>) = 4 [pid 6947] <... mount resumed>) = 0 [pid 6944] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6950] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6949] <... mkdir resumed>) = 0 [pid 6947] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6948] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] <... openat resumed>) = 3 [pid 6944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6942] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6948] <... futex resumed>) = 0 [pid 6944] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6942] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6944] <... futex resumed>) = 0 [pid 6948] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6944] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6948] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6949] mount("/dev/loop4", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb54990, parent_tid=0x7fee5fb54990, exit_signal=0, stack=0x7fee5fb34000, stack_size=0x20300, tls=0x7fee5fb546c0}./strace-static-x86_64: Process 6951 attached [pid 6951] rseq(0x7fee5fb54fe0, 0x20, 0, 0x53053053 [pid 6950] <... clone3 resumed> => {parent_tid=[6951]}, 88) = 6951 [pid 6951] <... rseq resumed>) = 0 [pid 6950] rt_sigprocmask(SIG_SETMASK, [], [pid 6951] set_robust_list(0x7fee5fb549a0, 24 [pid 6950] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6951] <... set_robust_list resumed>) = 0 [pid 6950] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6951] rt_sigprocmask(SIG_SETMASK, [], [pid 6950] <... futex resumed>) = 0 [pid 6951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6950] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6951] memfd_create("syzkaller", 0 [pid 6948] <... futex resumed>) = 0 [pid 6947] chdir("./bus" [pid 6944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6942] <... futex resumed>) = 0 [pid 6944] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] <... chdir resumed>) = 0 [pid 6942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6944] <... futex resumed>) = 0 [pid 6951] <... memfd_create resumed>) = 3 [pid 6944] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6942] <... mmap resumed>) = 0x7fee5fb13000 [pid 6951] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6942] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6951] <... mmap resumed>) = 0x7fee57600000 [pid 6948] dup(4 [pid 6947] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6951] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xf1\xf1\xe6\x00\x08\x08\x01\x00\x04\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 6948] <... dup resumed>) = 5 [pid 6947] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6942] <... mprotect resumed>) = 0 [pid 6949] <... mount resumed>) = 0 [pid 6948] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] <... futex resumed>) = 1 [pid 6947] <... futex resumed>) = 1 [pid 6944] <... futex resumed>) = 0 [pid 6942] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6948] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6947] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6944] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6942] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6944] <... futex resumed>) = 0 [pid 6949] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6945] <... futex resumed>) = 0 [pid 6949] <... openat resumed>) = 3 [ 112.269458][ T6948] loop2: detected capacity change from 0 to 256 [ 112.282980][ T6947] loop1: detected capacity change from 0 to 256 [ 112.295719][ T6949] loop4: detected capacity change from 0 to 256 [pid 6945] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6951] <... write resumed>) = 131072 [pid 6949] chdir("./bus" [pid 6945] <... futex resumed>) = 0 [pid 6947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6945] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6944] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6949] <... chdir resumed>) = 0 [pid 6947] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME./strace-static-x86_64: Process 6952 attached [pid 6951] munmap(0x7fee57600000, 138412032 [pid 6949] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6947] <... openat resumed>) = 4 [pid 6949] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6947] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6942] <... clone3 resumed> => {parent_tid=[6952]}, 88) = 6952 [pid 6951] <... munmap resumed>) = 0 [pid 6949] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] <... futex resumed>) = 1 [pid 6945] <... futex resumed>) = 0 [pid 6942] rt_sigprocmask(SIG_SETMASK, [], [pid 6949] <... futex resumed>) = 1 [pid 6947] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] <... futex resumed>) = 0 [pid 6945] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6952] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6951] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6949] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6946] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] <... futex resumed>) = 0 [pid 6942] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] <... rseq resumed>) = 0 [pid 6951] <... openat resumed>) = 4 [pid 6949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6947] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6946] <... futex resumed>) = 0 [pid 6945] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6942] <... futex resumed>) = 0 [pid 6952] set_robust_list(0x7fee5fb339a0, 24 [pid 6951] ioctl(4, LOOP_SET_FD, 3 [pid 6949] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6947] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6946] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6942] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6952] <... set_robust_list resumed>) = 0 [pid 6949] <... openat resumed>) = 4 [pid 6949] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6946] <... futex resumed>) = 0 [pid 6949] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6946] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] rt_sigprocmask(SIG_SETMASK, [], [pid 6949] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6947] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] <... futex resumed>) = 0 [pid 6952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6949] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6952] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6949] <... futex resumed>) = 0 [pid 6946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6946] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6946] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6949] dup(4) = 5 [pid 6949] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6946] <... futex resumed>) = 0 [pid 6952] <... madvise resumed>) = 0 [pid 6949] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6947] <... futex resumed>) = 1 [pid 6946] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6946] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] <... futex resumed>) = 0 [pid 6945] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6945] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6951] <... ioctl resumed>) = 0 [pid 6951] close(3) = 0 [pid 6951] close(4) = 0 [pid 6947] dup(4 [pid 6951] mkdir("./bus", 0777) = 0 [pid 6947] <... dup resumed>) = 5 [pid 6947] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] <... futex resumed>) = 1 [pid 6951] mount("/dev/loop0", "./bus", "vfat", 0, "nonumtail=0,iocharset=cp932,codepage=857,nonumtail=0,shortname=lower,iocharset=euc-jp,utf8=0,dos1xfl"... [pid 6947] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6945] <... futex resumed>) = 0 [pid 6952] <... futex resumed>) = 1 [pid 6945] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6942] <... futex resumed>) = 0 [pid 6947] <... futex resumed>) = 0 [pid 6945] <... futex resumed>) = 1 [pid 6947] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6945] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6952] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6944] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6944] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6951] <... mount resumed>) = 0 [pid 6944] <... futex resumed>) = 0 [pid 6951] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6951] <... openat resumed>) = 3 [pid 6944] <... mmap resumed>) = 0x7fee5fb13000 [pid 6951] chdir("./bus" [pid 6944] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6951] <... chdir resumed>) = 0 [pid 6944] <... mprotect resumed>) = 0 [pid 6951] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6944] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6951] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6944] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6951] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6953 attached [pid 6951] <... futex resumed>) = 1 [pid 6951] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6944] <... clone3 resumed> => {parent_tid=[6953]}, 88) = 6953 [pid 6944] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6944] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] <... futex resumed>) = 0 [pid 6944] <... futex resumed>) = 0 [pid 6953] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6950] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [ 112.362240][ T6951] loop0: detected capacity change from 0 to 256 [pid 6944] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6953] <... rseq resumed>) = 0 [pid 6951] <... futex resumed>) = 0 [pid 6950] <... futex resumed>) = 1 [pid 6951] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME [pid 6950] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6951] <... openat resumed>) = 4 [pid 6953] set_robust_list(0x7fee5fb339a0, 24 [pid 6951] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] <... set_robust_list resumed>) = 0 [pid 6951] <... futex resumed>) = 1 [pid 6950] <... futex resumed>) = 0 [pid 6946] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6953] rt_sigprocmask(SIG_SETMASK, [], [pid 6951] fcntl(-1, F_SETLEASE, F_WRLCK [pid 6950] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6951] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] <... futex resumed>) = 0 [pid 6946] <... futex resumed>) = 0 [pid 6953] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6951] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6951] <... futex resumed>) = 0 [pid 6950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6951] dup(4 [pid 6950] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] <... mmap resumed>) = 0x7fee5fb13000 [pid 6951] <... dup resumed>) = 5 [pid 6950] <... futex resumed>) = 0 [pid 6946] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE [pid 6951] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6946] <... mprotect resumed>) = 0 [pid 6945] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6951] <... futex resumed>) = 0 [pid 6950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6946] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6945] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] <... madvise resumed>) = 0 [pid 6946] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6945] <... futex resumed>) = 0 [pid 6945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6945] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6950] futex(0x7fee5fc256c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] <... clone3 resumed> => {parent_tid=[6954]}, 88) = 6954 [pid 6945] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6950] <... futex resumed>) = 0 [pid 6946] rt_sigprocmask(SIG_SETMASK, [], [pid 6945] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6954 attached [pid 6953] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6951] mmap(0x20000000, 11755520, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 6950] futex(0x7fee5fc256cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0} [pid 6954] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053) = 0 ./strace-static-x86_64: Process 6955 attached [pid 6954] set_robust_list(0x7fee5fb339a0, 24 [pid 6953] <... futex resumed>) = 1 [pid 6946] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] <... futex resumed>) = 0 [pid 6954] <... set_robust_list resumed>) = 0 [pid 6946] <... futex resumed>) = 0 [pid 6945] <... clone3 resumed> => {parent_tid=[6955]}, 88) = 6955 [pid 6954] rt_sigprocmask(SIG_SETMASK, [], [pid 6953] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] rt_sigprocmask(SIG_SETMASK, [], [pid 6954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6954] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6945] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053 [pid 6945] <... futex resumed>) = 0 [pid 6945] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6954] <... madvise resumed>) = 0 [pid 6955] <... rseq resumed>) = 0 [pid 6955] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6955] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6955] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6954] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] <... futex resumed>) = 0 [pid 6954] <... futex resumed>) = 1 [pid 6955] <... madvise resumed>) = 0 [pid 6954] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6955] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6945] <... futex resumed>) = 0 [pid 6955] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6950] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6950] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fee5fb13000 [pid 6950] mprotect(0x7fee5fb14000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6950] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fee5fb33990, parent_tid=0x7fee5fb33990, exit_signal=0, stack=0x7fee5fb13000, stack_size=0x20300, tls=0x7fee5fb336c0}./strace-static-x86_64: Process 6956 attached [pid 6956] rseq(0x7fee5fb33fe0, 0x20, 0, 0x53053053) = 0 [pid 6956] set_robust_list(0x7fee5fb339a0, 24) = 0 [pid 6956] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6950] <... clone3 resumed> => {parent_tid=[6956]}, 88) = 6956 [pid 6950] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6956] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6950] futex(0x7fee5fc256d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6950] <... futex resumed>) = 0 [pid 6956] madvise(0x20000000, 6291456, MADV_DONTNEED [pid 6950] futex(0x7fee5fc256dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6947] <... mmap resumed>) = 0x20000000 [pid 6947] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6945] exit_group(0 [pid 6955] <... futex resumed>) = ? [pid 6948] <... mmap resumed>) = 0x20000000 [pid 6945] <... exit_group resumed>) = ? [pid 6943] <... mmap resumed>) = 0x20000000 [pid 6956] <... madvise resumed>) = 0 [pid 6955] +++ exited with 0 +++ [pid 6951] <... mmap resumed>) = 0x20000000 [pid 6948] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] +++ exited with 0 +++ [pid 6943] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] <... mmap resumed>) = 0x20000000 [pid 6956] futex(0x7fee5fc256dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6951] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] futex(0x7fee5fc256cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] <... futex resumed>) = 0 [pid 6944] exit_group(0 [pid 6943] <... futex resumed>) = 0 [pid 6956] <... futex resumed>) = 1 [pid 6951] <... futex resumed>) = 0 [pid 6950] <... futex resumed>) = 0 [pid 6949] <... futex resumed>) = 0 [pid 6943] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6944] <... exit_group resumed>) = ? [pid 6956] futex(0x7fee5fc256d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6953] <... futex resumed>) = ? [pid 6951] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6950] exit_group(0 [pid 6949] futex(0x7fee5fc256c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] exit_group(0 [pid 6942] exit_group(0 [pid 6956] <... futex resumed>) = ? [pid 6953] +++ exited with 0 +++ [pid 6951] <... futex resumed>) = ? [pid 6950] <... exit_group resumed>) = ? [pid 6949] <... futex resumed>) = ? [pid 6946] <... exit_group resumed>) = ? [pid 6956] +++ exited with 0 +++ [pid 6951] +++ exited with 0 +++ [pid 6949] +++ exited with 0 +++ [pid 6954] <... futex resumed>) = ? [pid 6952] <... futex resumed>) = ? [pid 6943] <... futex resumed>) = ? [pid 6942] <... exit_group resumed>) = ? [pid 6952] +++ exited with 0 +++ [pid 6943] +++ exited with 0 +++ [pid 6945] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6945, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5837] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5837] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x55557a949730 /* 4 entries */, 32768) = 104 [pid 6950] +++ exited with 0 +++ [pid 5837] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./74/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./74/binderfs") = 0 [pid 5837] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5837] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6950, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] newfstatat(AT_FDCWD, "./74/bus", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6954] +++ exited with 0 +++ [pid 6946] +++ exited with 0 +++ [pid 5837] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... openat resumed>) = 3 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6946, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5836] newfstatat(3, "", [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] openat(AT_FDCWD, "./74/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5836] getdents64(3, [pid 5837] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] getdents64(4, 0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5836] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6942] +++ exited with 0 +++ [pid 5837] getdents64(4, [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6942, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5837] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5837] close(4 [pid 5836] newfstatat(AT_FDCWD, "./74/binderfs", [pid 5839] <... restart_syscall resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5837] rmdir("./74/bus" [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5839] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] getdents64(3, [pid 5836] unlink("./74/binderfs" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... getdents64 resumed>0x55557a949730 /* 0 entries */, 32768) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5839] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] close(3 [pid 5836] <... unlink resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5837] <... close resumed>) = 0 [pid 5839] newfstatat(3, "", [pid 5837] rmdir("./74" [pid 5836] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] getdents64(3, [pid 5837] mkdir("./75", 0777 [pid 5840] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... umount2 resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5839] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(3, "", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] newfstatat(AT_FDCWD, "./74/binderfs", [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5840] <... getdents64 resumed>0x55557a949730 /* 4 entries */, 32768) = 104 [pid 5839] unlink("./74/binderfs" [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5840] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(AT_FDCWD, "./74/bus", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = 0 [pid 5837] <... ioctl resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./74/binderfs", [pid 5839] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] close(3 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] unlink("./74/binderfs" [pid 5836] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... unlink resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./74/bus", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./74/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... openat resumed>) = 4 [pid 5837] <... close resumed>) = 0 [pid 5836] newfstatat(4, "", [pid 5839] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] getdents64(4, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... getdents64 resumed>0x55557a951770 /* 2 entries */, 32768) = 48 [pid 5839] openat(AT_FDCWD, "./74/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] getdents64(4, ./strace-static-x86_64: Process 6957 attached [pid 5839] <... openat resumed>) = 4 [pid 5836] <... getdents64 resumed>0x55557a951770 /* 0 entries */, 32768) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x55557a948690) = 6957 [ 112.566657][ T6948] BUG: Bad rss-counter state mm:ffff8880222b1400 type:MM_FILEPAGES val:7 [ 112.619380][ T6948] page: refcount:3 mapcount:1 mapping:ffff888148c1cd78 index:0x500 pfn:0x2f035 [ 112.628775][ T6948] memcg:ffff88801befc000 [ 112.633045][ T6948] aops:def_blk_aops ino:fa00000 [ 112.637950][ T6948] flags: 0xfff78000000a2d(locked|referenced|uptodate|lru|workingset|owner_2|node=0|zone=1|lastcpupid=0x7ff) [ 112.649526][ T6948] raw: 00fff78000000a2d ffffea0000cdd448 ffffea0000cfce08 ffff888148c1cd78 [ 112.658227][ T6948] raw: 0000000000000500 0000000000000000 0000000300000000 ffff88801befc000 [ 112.666920][ T6948] page dumped because: VM_BUG_ON_FOLIO(folio_mapped(folio)) [ 112.674254][ T6948] page_owner tracks the page as allocated [ 112.680460][ T6948] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x152c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 6943, tgid 6942 (syz-executor338), ts 112435375052, free_ts 112102661003 [ 112.702314][ T6948] post_alloc_hook+0x1f4/0x240 [ 112.707202][ T6948] get_page_from_freelist+0x365c/0x37a0 [ 112.712771][ T6948] __alloc_frozen_pages_noprof+0x292/0x710 [ 112.718609][ T6948] alloc_pages_mpol+0x30e/0x550 [ 112.723494][ T6948] alloc_pages_noprof+0x121/0x190 [ 112.728663][ T6948] folio_alloc_noprof+0x1e/0x30 [ 112.733658][ T6948] filemap_alloc_folio_noprof+0xe1/0x540 [ 112.739486][ T6948] page_cache_ra_unbounded+0x30e/0x720 [ 112.745321][ T6948] filemap_fault+0x764/0x16c0 [ 112.750108][ T6948] __do_fault+0x135/0x390 [ 112.754559][ T6948] handle_pte_fault+0x39eb/0x5ee0 [ 112.759885][ T6948] handle_mm_fault+0x11f5/0x1d50 [ 112.764944][ T6948] __get_user_pages+0x1a92/0x4140 [ 112.770015][ T6948] populate_vma_page_range+0x264/0x330 [ 112.775572][ T6948] __mm_populate+0x27a/0x460 [ 112.780199][ T6948] vm_mmap_pgoff+0x303/0x430 [ 112.785537][ T6948] page last free pid 6934 tgid 6934 stack trace: [ 112.792223][ T6948] free_unref_folios+0xe40/0x18b0 [ 112.798413][ T6948] folios_put_refs+0x76c/0x860 [ 112.803476][ T6948] truncate_inode_pages_range+0x460/0x10e0 [ 112.809337][ T6948] blkdev_flush_mapping+0x108/0x270 [ 112.814573][ T6948] bdev_release+0x460/0x700 [ 112.819086][ T6948] blkdev_release+0x15/0x20 [ 112.823673][ T6948] __fput+0x3e9/0x9f0 [ 112.827743][ T6948] task_work_run+0x24f/0x310 [ 112.832509][ T6948] do_exit+0xa2f/0x28e0 [ 112.836855][ T6948] do_group_exit+0x207/0x2c0 [ 112.841565][ T6948] __x64_sys_exit_group+0x3f/0x40 [ 112.846714][ T6948] x64_sys_call+0x26a8/0x26b0 [ 112.851498][ T6948] do_syscall_64+0xf3/0x230 [ 112.856015][ T6948] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 112.862070][ T6948] ------------[ cut here ]------------ [ 112.867650][ T6948] kernel BUG at mm/filemap.c:163! [ 112.872900][ T6948] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 112.879959][ T6948] CPU: 0 UID: 0 PID: 6948 Comm: syz-executor338 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0 [ 112.891366][ T6948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 112.901613][ T6948] RIP: 0010:filemap_unaccount_folio+0x73d/0x7d0 [ 112.908210][ T6948] Code: fb c7 ff 48 89 df 48 c7 c6 a0 ac 13 8c e8 cb d3 11 00 90 0f 0b e8 03 fb c7 ff 48 89 df 48 c7 c6 80 ab 13 8c e8 b4 d3 11 00 90 <0f> 0b e8 ec fa c7 ff 48 89 df 48 c7 c6 a0 ac 13 8c e8 9d d3 11 00 [ 112.929818][ T6948] RSP: 0018:ffffc9000d2e7330 EFLAGS: 00010046 [ 112.936338][ T6948] RAX: d162330b830f0000 RBX: ffffea0000bc0d40 RCX: ffffc9000d2e6f03 [ 112.945328][ T6948] RDX: 0000000000000003 RSI: ffffffff8c0aaba0 RDI: ffffffff8c5fed00 [ 112.954697][ T6948] RBP: 0000000000000000 R08: ffffffff901ab1f7 R09: 1ffffffff203563e [ 112.963493][ T6948] R10: dffffc0000000000 R11: fffffbfff203563f R12: dffffc0000000000 [ 112.971762][ T6948] R13: 1ffffd40001781a9 R14: ffff888148c1cd78 R15: ffffea0000bc0d48 [ 112.980100][ T6948] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 112.989289][ T6948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.996045][ T6948] CR2: 00007fee5fb664a5 CR3: 00000000313d6000 CR4: 00000000003526f0 [ 113.004138][ T6948] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 113.012207][ T6948] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 113.020173][ T6948] Call Trace: [ 113.023558][ T6948] [ 113.026598][ T6948] ? __die_body+0x5f/0xb0 [ 113.031044][ T6948] ? die+0x9e/0xc0 [ 113.035593][ T6948] ? do_trap+0x15a/0x3a0 [ 113.039862][ T6948] ? filemap_unaccount_folio+0x73d/0x7d0 [ 113.045523][ T6948] ? do_error_trap+0x1dc/0x2c0 [ 113.050301][ T6948] ? filemap_unaccount_folio+0x73d/0x7d0 [ 113.055993][ T6948] ? __pfx_do_error_trap+0x10/0x10 [ 113.061127][ T6948] ? report_bug+0x3cd/0x500 [ 113.065758][ T6948] ? handle_invalid_op+0x34/0x40 [ 113.070799][ T6948] ? filemap_unaccount_folio+0x73d/0x7d0 [ 113.076819][ T6948] ? exc_invalid_op+0x38/0x50 [ 113.082103][ T6948] ? asm_exc_invalid_op+0x1a/0x20 [ 113.088475][ T6948] ? filemap_unaccount_folio+0x73d/0x7d0 [ 113.094801][ T6948] delete_from_page_cache_batch+0x172/0xa60 [ 113.100832][ T6948] ? __pfx_delete_from_page_cache_batch+0x10/0x10 [ 113.107818][ T6948] ? folio_mapping+0x17f/0x250 [ 113.113635][ T6948] ? truncate_cleanup_folio+0x280/0x300 [ 113.119385][ T6948] truncate_inode_pages_range+0x36b/0x10e0 [ 113.125489][ T6948] ? mark_lock+0x9a/0x360 [ 113.129950][ T6948] ? __pfx_truncate_inode_pages_range+0x10/0x10 [ 113.136308][ T6948] ? __pfx_has_bh_in_lru+0x10/0x10 [ 113.142091][ T6948] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 113.147676][ T6948] blkdev_flush_mapping+0x108/0x270 [ 113.152897][ T6948] ? bdev_release+0x456/0x700 [ 113.157579][ T6948] bdev_release+0x460/0x700 [ 113.162096][ T6948] blkdev_release+0x15/0x20 [ 113.166655][ T6948] ? __pfx_blkdev_release+0x10/0x10 [ 113.172050][ T6948] __fput+0x3e9/0x9f0 [ 113.176128][ T6948] task_work_run+0x24f/0x310 [ 113.180764][ T6948] ? __pfx_task_work_run+0x10/0x10 [ 113.185875][ T6948] ? switch_task_namespaces+0xe4/0x110 [ 113.191329][ T6948] do_exit+0xa2f/0x28e0 [ 113.195598][ T6948] ? __pfx_do_exit+0x10/0x10 [ 113.200187][ T6948] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 113.205554][ T6948] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 113.211617][ T6948] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 113.218120][ T6948] ? _raw_spin_lock_irq+0xdf/0x120 [ 113.223238][ T6948] do_group_exit+0x207/0x2c0 [ 113.227824][ T6948] ? _raw_spin_unlock_irq+0x23/0x50 [ 113.233064][ T6948] ? lockdep_hardirqs_on+0x99/0x150 [ 113.238270][ T6948] get_signal+0x16b2/0x1750 [ 113.242898][ T6948] ? __pfx_get_signal+0x10/0x10 [ 113.247843][ T6948] ? _raw_spin_unlock_irq+0x23/0x50 [ 113.253040][ T6948] arch_do_signal_or_restart+0x96/0x860 [ 113.258811][ T6948] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 113.265151][ T6948] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 113.271518][ T6948] ? syscall_exit_to_user_mode+0xa3/0x340 [ 113.277436][ T6948] syscall_exit_to_user_mode+0xce/0x340 [ 113.282985][ T6948] do_syscall_64+0x100/0x230 [ 113.287663][ T6948] ? clear_bhb_loop+0x35/0x90 [ 113.292433][ T6948] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 113.298442][ T6948] RIP: 0033:0x7fee5fba5bf9 [ 113.302873][ T6948] Code: Unable to access opcode bytes at 0x7fee5fba5bcf. [ 113.309993][ T6948] RSP: 002b:00007fee5fb54218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 113.318507][ T6948] RAX: ffffffffffffffda RBX: 00007fee5fc256c8 RCX: 00007fee5fba5bf9 [ 113.326563][ T6948] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fee5fc256c8 [ 113.334615][ T6948] RBP: 00007fee5fc256c0 R08: 0000000000000000 R09: 0000000000000000 [ 113.343022][ T6948] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fee5fbf22d8 [ 113.351470][ T6948] R13: 00007fee5fbf20c0 R14: 0000000020000700 R15: 6c756e2f7665642f [ 113.361393][ T6948] [ 113.364521][ T6948] Modules linked in: [ 113.369913][ T6948] ---[ end trace 0000000000000000 ]--- [ 113.375357][ T6948] RIP: 0010:filemap_unaccount_folio+0x73d/0x7d0 [ 113.381637][ T6948] Code: fb c7 ff 48 89 df 48 c7 c6 a0 ac 13 8c e8 cb d3 11 00 90 0f 0b e8 03 fb c7 ff 48 89 df 48 c7 c6 80 ab 13 8c e8 b4 d3 11 00 90 <0f> 0b e8 ec fa c7 ff 48 89 df 48 c7 c6 a0 ac 13 8c e8 9d d3 11 00 [ 113.401450][ T6948] RSP: 0018:ffffc9000d2e7330 EFLAGS: 00010046 [ 113.407607][ T6948] RAX: d162330b830f0000 RBX: ffffea0000bc0d40 RCX: ffffc9000d2e6f03 [ 113.415848][ T6948] RDX: 0000000000000003 RSI: ffffffff8c0aaba0 RDI: ffffffff8c5fed00 [ 113.423838][ T6948] RBP: 0000000000000000 R08: ffffffff901ab1f7 R09: 1ffffffff203563e [ 113.431936][ T6948] R10: dffffc0000000000 R11: fffffbfff203563f R12: dffffc0000000000 [ 113.439969][ T6948] R13: 1ffffd40001781a9 R14: ffff888148c1cd78 R15: ffffea0000bc0d48 [ 113.448076][ T6948] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 113.457806][ T6948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.464681][ T6948] CR2: 00007fee5fb664a5 CR3: 00000000313d6000 CR4: 00000000003526f0 [ 113.473571][ T6948] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 113.481805][ T6948] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 113.489964][ T6948] Kernel panic - not syncing: Fatal exception [ 113.496648][ T6948] Kernel Offset: disabled [ 113.501130][ T6948] Rebooting in 86400 seconds..