./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1302528505 <...> Warning: Permanently added '10.128.1.154' (ED25519) to the list of known hosts. execve("./syz-executor1302528505", ["./syz-executor1302528505"], 0x7ffcc7422b00 /* 10 vars */) = 0 brk(NULL) = 0x555591ce1000 brk(0x555591ce1d00) = 0x555591ce1d00 arch_prctl(ARCH_SET_FS, 0x555591ce1380) = 0 set_tid_address(0x555591ce1650) = 289 set_robust_list(0x555591ce1660, 24) = 0 rseq(0x555591ce1ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1302528505", 4096) = 28 getrandom("\x5f\x7c\x8e\x75\xae\xc6\xbf\x52", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555591ce1d00 brk(0x555591d02d00) = 0x555591d02d00 brk(0x555591d03000) = 0x555591d03000 mprotect(0x7f56cb339000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 290 ./strace-static-x86_64: Process 290 attached [pid 290] set_robust_list(0x555591ce1660, 24) = 0 [pid 290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 290] setpgid(0, 0) = 0 executing program [pid 290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 290] write(3, "1000", 4) = 4 [pid 290] close(3) = 0 [pid 290] write(1, "executing program\n", 18) = 18 [pid 290] memfd_create("syzkaller", 0) = 3 [pid 290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 290] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 290] munmap(0x7f56c2e86000, 138412032) = 0 [pid 290] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 290] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 290] close(3) = 0 [pid 290] close(4) = 0 [pid 290] mkdir("./file0", 0777) = 0 [ 23.307508][ T28] audit: type=1400 audit(1749394722.683:64): avc: denied { execmem } for pid=289 comm="syz-executor130" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.328215][ T290] loop0: detected capacity change from 0 to 2048 [pid 290] mount("/dev/loop0", "./file0", "ext4", MS_DIRSYNC|MS_NOATIME|MS_POSIXACL|MS_LAZYTIME, ",errors=continue") = 0 [pid 290] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 290] chdir("./file0") = 0 [pid 290] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 290] ioctl(4, LOOP_CLR_FD) = 0 [pid 290] close(4) = 0 [pid 290] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 290] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [ 23.333130][ T28] audit: type=1400 audit(1749394722.683:65): avc: denied { read write } for pid=289 comm="syz-executor130" name="loop0" dev="devtmpfs" ino=118 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 23.359454][ T28] audit: type=1400 audit(1749394722.683:66): avc: denied { open } for pid=289 comm="syz-executor130" path="/dev/loop0" dev="devtmpfs" ino=118 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 23.374829][ T290] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 23.384044][ T28] audit: type=1400 audit(1749394722.683:67): avc: denied { ioctl } for pid=289 comm="syz-executor130" path="/dev/loop0" dev="devtmpfs" ino=118 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 23.418709][ T28] audit: type=1400 audit(1749394722.723:68): avc: denied { mounton } for pid=290 comm="syz-executor130" path="/root/file0" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [pid 290] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 290] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 290] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 4 [pid 290] write(4, 0x2000000001c0, 18) = 18 [pid 290] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 290] exit_group(0) = ? [pid 290] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=0, si_stime=11} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 296 ./strace-static-x86_64: Process 296 attached [pid 296] set_robust_list(0x555591ce1660, 24) = 0 [pid 296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 296] setpgid(0, 0) = 0 [pid 296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 296] write(3, "1000", 4) = 4 [pid 296] close(3) = 0 [pid 296] write(1, "executing program\n", 18executing program ) = 18 [pid 296] memfd_create("syzkaller", 0) = 3 [pid 296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 296] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 296] munmap(0x7f56c2e86000, 138412032) = 0 [pid 296] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 296] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 296] ioctl(4, LOOP_CLR_FD) = 0 [pid 296] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 296] close(4) = 0 [pid 296] close(3) = 0 [pid 296] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 296] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [ 23.446418][ T28] audit: type=1400 audit(1749394722.773:69): avc: denied { mount } for pid=290 comm="syz-executor130" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [pid 296] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 296] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 296] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 296] write(3, 0x2000000001c0, 18) = 18 [pid 296] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 296] exit_group(0) = ? [pid 296] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 executing program clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 297 ./strace-static-x86_64: Process 297 attached [pid 297] set_robust_list(0x555591ce1660, 24) = 0 [pid 297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 297] setpgid(0, 0) = 0 [pid 297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 297] write(3, "1000", 4) = 4 [pid 297] close(3) = 0 [pid 297] write(1, "executing program\n", 18) = 18 [pid 297] memfd_create("syzkaller", 0) = 3 [pid 297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 297] munmap(0x7f56c2e86000, 138412032) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 297] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 297] ioctl(4, LOOP_CLR_FD) = 0 [pid 297] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 297] close(4) = 0 [pid 297] close(3) = 0 [pid 297] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 297] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 297] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 297] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 297] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 297] write(3, 0x2000000001c0, 18) = 18 [pid 297] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 297] exit_group(0) = ? [pid 297] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x555591ce1650) = 298 ./strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x555591ce1660, 24) = 0 [pid 298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 298] setpgid(0, 0) = 0 [pid 298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 298] write(3, "1000", 4) = 4 [pid 298] close(3) = 0 [pid 298] write(1, "executing program\n", 18) = 18 [pid 298] memfd_create("syzkaller", 0) = 3 [pid 298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 298] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 298] munmap(0x7f56c2e86000, 138412032) = 0 [pid 298] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 298] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 298] ioctl(4, LOOP_CLR_FD) = 0 [pid 298] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 298] close(4) = 0 [pid 298] close(3) = 0 [pid 298] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 298] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 298] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 298] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 298] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 298] write(3, 0x2000000001c0, 18) = 18 [pid 298] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 298] exit_group(0) = ? [pid 298] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 299 ./strace-static-x86_64: Process 299 attached [pid 299] set_robust_list(0x555591ce1660, 24) = 0 [pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] setpgid(0, 0) = 0 [pid 299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "1000", 4) = 4 executing program [pid 299] close(3) = 0 [pid 299] write(1, "executing program\n", 18) = 18 [pid 299] memfd_create("syzkaller", 0) = 3 [pid 299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 299] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 299] munmap(0x7f56c2e86000, 138412032) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 299] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 299] ioctl(4, LOOP_CLR_FD) = 0 [pid 299] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 299] close(4) = 0 [pid 299] close(3) = 0 [pid 299] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 299] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 299] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 299] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 299] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 299] write(3, 0x2000000001c0, 18) = 18 [pid 299] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 299] exit_group(0) = ? [pid 299] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 300 ./strace-static-x86_64: Process 300 attached [pid 300] set_robust_list(0x555591ce1660, 24) = 0 [pid 300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 300] setpgid(0, 0) = 0 [pid 300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 300] write(3, "1000", 4) = 4 [pid 300] close(3) = 0 [pid 300] write(1, "executing program\n", 18executing program ) = 18 [pid 300] memfd_create("syzkaller", 0) = 3 [pid 300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 300] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 300] munmap(0x7f56c2e86000, 138412032) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 300] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 300] ioctl(4, LOOP_CLR_FD) = 0 [pid 300] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 300] close(4) = 0 [pid 300] close(3) = 0 [pid 300] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 300] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 300] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 300] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 300] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 300] write(3, 0x2000000001c0, 18) = 18 [pid 300] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 300] exit_group(0) = ? [pid 300] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 301 ./strace-static-x86_64: Process 301 attached [pid 301] set_robust_list(0x555591ce1660, 24) = 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 301] setpgid(0, 0) = 0 [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 301] write(3, "1000", 4) = 4 [pid 301] close(3) = 0 [pid 301] write(1, "executing program\n", 18executing program ) = 18 [pid 301] memfd_create("syzkaller", 0) = 3 [pid 301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 301] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 301] munmap(0x7f56c2e86000, 138412032) = 0 [pid 301] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 301] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 301] ioctl(4, LOOP_CLR_FD) = 0 [pid 301] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 301] close(4) = 0 [pid 301] close(3) = 0 [pid 301] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 301] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 301] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 301] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 301] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 301] write(3, 0x2000000001c0, 18) = 18 [pid 301] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 301] exit_group(0) = ? [pid 301] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 302 ./strace-static-x86_64: Process 302 attached [pid 302] set_robust_list(0x555591ce1660, 24) = 0 [pid 302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 302] setpgid(0, 0) = 0 [pid 302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 302] write(3, "1000", 4) = 4 [pid 302] close(3) = 0 [pid 302] write(1, "executing program\n", 18executing program ) = 18 [pid 302] memfd_create("syzkaller", 0) = 3 [pid 302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 302] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 302] munmap(0x7f56c2e86000, 138412032) = 0 [pid 302] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 302] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 302] ioctl(4, LOOP_CLR_FD) = 0 [pid 302] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 302] close(4) = 0 [pid 302] close(3) = 0 [pid 302] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 302] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 302] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 302] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 302] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 302] write(3, 0x2000000001c0, 18) = 18 [pid 302] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 302] exit_group(0) = ? [pid 302] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3executing program ) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 303 ./strace-static-x86_64: Process 303 attached [pid 303] set_robust_list(0x555591ce1660, 24) = 0 [pid 303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 303] setpgid(0, 0) = 0 [pid 303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 303] write(3, "1000", 4) = 4 [pid 303] close(3) = 0 [pid 303] write(1, "executing program\n", 18) = 18 [pid 303] memfd_create("syzkaller", 0) = 3 [pid 303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 303] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 303] munmap(0x7f56c2e86000, 138412032) = 0 [pid 303] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 303] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 303] ioctl(4, LOOP_CLR_FD) = 0 [pid 303] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 303] close(4) = 0 [pid 303] close(3) = 0 [pid 303] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 303] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 303] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 303] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 303] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 303] write(3, 0x2000000001c0, 18) = 18 [pid 303] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 303] exit_group(0) = ? [pid 303] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x555591ce1650) = 304 ./strace-static-x86_64: Process 304 attached [pid 304] set_robust_list(0x555591ce1660, 24) = 0 [pid 304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] setpgid(0, 0) = 0 [pid 304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "1000", 4) = 4 [pid 304] close(3) = 0 [pid 304] write(1, "executing program\n", 18) = 18 [pid 304] memfd_create("syzkaller", 0) = 3 [pid 304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 304] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 304] munmap(0x7f56c2e86000, 138412032) = 0 [pid 304] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 304] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 304] ioctl(4, LOOP_CLR_FD) = 0 [pid 304] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 304] close(4) = 0 [pid 304] close(3) = 0 [pid 304] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 304] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 304] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 304] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 304] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 304] write(3, 0x2000000001c0, 18) = 18 [pid 304] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 304] exit_group(0) = ? [pid 304] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 305 ./strace-static-x86_64: Process 305 attached [pid 305] set_robust_list(0x555591ce1660, 24) = 0 [pid 305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] setpgid(0, 0) = 0 [pid 305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "1000", 4) = 4 [pid 305] close(3) = 0 [pid 305] write(1, "executing program\n", 18executing program ) = 18 [pid 305] memfd_create("syzkaller", 0) = 3 [pid 305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 305] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 305] munmap(0x7f56c2e86000, 138412032) = 0 [pid 305] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 305] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 305] ioctl(4, LOOP_CLR_FD) = 0 [pid 305] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 305] close(4) = 0 [pid 305] close(3) = 0 [pid 305] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 305] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 305] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 305] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 305] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 305] write(3, 0x2000000001c0, 18) = 18 [pid 305] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 305] exit_group(0) = ? [pid 305] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x555591ce1650) = 306 ./strace-static-x86_64: Process 306 attached [pid 306] set_robust_list(0x555591ce1660, 24) = 0 [pid 306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] setpgid(0, 0) = 0 [pid 306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] write(3, "1000", 4) = 4 [pid 306] close(3) = 0 [pid 306] write(1, "executing program\n", 18) = 18 [pid 306] memfd_create("syzkaller", 0) = 3 [pid 306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 306] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 306] munmap(0x7f56c2e86000, 138412032) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 306] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 306] ioctl(4, LOOP_CLR_FD) = 0 [pid 306] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 306] close(4) = 0 [pid 306] close(3) = 0 [pid 306] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 306] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 306] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 306] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 306] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 306] write(3, 0x2000000001c0, 18) = 18 [pid 306] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 306] exit_group(0) = ? [pid 306] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x555591ce1650) = 307 ./strace-static-x86_64: Process 307 attached [pid 307] set_robust_list(0x555591ce1660, 24) = 0 [pid 307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] setpgid(0, 0) = 0 [pid 307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] write(3, "1000", 4) = 4 [pid 307] close(3) = 0 [pid 307] write(1, "executing program\n", 18) = 18 [pid 307] memfd_create("syzkaller", 0) = 3 [pid 307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 307] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 307] munmap(0x7f56c2e86000, 138412032) = 0 [pid 307] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 307] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 307] ioctl(4, LOOP_CLR_FD) = 0 [pid 307] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 307] close(4) = 0 [pid 307] close(3) = 0 [pid 307] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 307] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 307] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 307] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 307] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 307] write(3, 0x2000000001c0, 18) = 18 [pid 307] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 307] exit_group(0) = ? [pid 307] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x555591ce1650) = 308 ./strace-static-x86_64: Process 308 attached [pid 308] set_robust_list(0x555591ce1660, 24) = 0 [pid 308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] setpgid(0, 0) = 0 [pid 308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] write(3, "1000", 4) = 4 [pid 308] close(3) = 0 [pid 308] write(1, "executing program\n", 18) = 18 [pid 308] memfd_create("syzkaller", 0) = 3 [pid 308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 308] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 308] munmap(0x7f56c2e86000, 138412032) = 0 [pid 308] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 308] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 308] ioctl(4, LOOP_CLR_FD) = 0 [pid 308] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 308] close(4) = 0 [pid 308] close(3) = 0 [pid 308] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 308] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 308] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 308] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 308] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 308] write(3, 0x2000000001c0, 18) = 18 [pid 308] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 308] exit_group(0) = ? [pid 308] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 309 ./strace-static-x86_64: Process 309 attached [pid 309] set_robust_list(0x555591ce1660, 24) = 0 [pid 309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] setpgid(0, 0) = 0 [pid 309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] write(3, "1000", 4) = 4 [pid 309] close(3) = 0 [pid 309] write(1, "executing program\n", 18executing program ) = 18 [pid 309] memfd_create("syzkaller", 0) = 3 [pid 309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 309] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 309] munmap(0x7f56c2e86000, 138412032) = 0 [pid 309] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 309] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 309] ioctl(4, LOOP_CLR_FD) = 0 [pid 309] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 309] close(4) = 0 [pid 309] close(3) = 0 [pid 309] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 309] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 309] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 309] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 309] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 309] write(3, 0x2000000001c0, 18) = 18 [pid 309] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 309] exit_group(0) = ? [pid 309] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x555591ce1650) = 310 ./strace-static-x86_64: Process 310 attached [pid 310] set_robust_list(0x555591ce1660, 24) = 0 [pid 310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] setpgid(0, 0) = 0 [pid 310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] write(3, "1000", 4) = 4 [pid 310] close(3) = 0 [pid 310] write(1, "executing program\n", 18) = 18 [pid 310] memfd_create("syzkaller", 0) = 3 [pid 310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 310] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 310] munmap(0x7f56c2e86000, 138412032) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 310] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 310] ioctl(4, LOOP_CLR_FD) = 0 [pid 310] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 310] close(4) = 0 [pid 310] close(3) = 0 [pid 310] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 310] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 310] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 310] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 310] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 310] write(3, 0x2000000001c0, 18) = 18 [pid 310] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 310] exit_group(0) = ? [pid 310] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 311 ./strace-static-x86_64: Process 311 attached [pid 311] set_robust_list(0x555591ce1660, 24) = 0 [pid 311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 311] setpgid(0, 0) = 0 [pid 311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 311] write(3, "1000", 4) = 4 [pid 311] close(3) = 0 [pid 311] write(1, "executing program\n", 18executing program ) = 18 [pid 311] memfd_create("syzkaller", 0) = 3 [pid 311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 311] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 311] munmap(0x7f56c2e86000, 138412032) = 0 [pid 311] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 311] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 311] ioctl(4, LOOP_CLR_FD) = 0 [pid 311] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 311] close(4) = 0 [pid 311] close(3) = 0 [pid 311] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 311] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 311] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 311] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 311] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 311] write(3, 0x2000000001c0, 18) = 18 [pid 311] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 311] exit_group(0) = ? [pid 311] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x555591ce1650) = 312 ./strace-static-x86_64: Process 312 attached [pid 312] set_robust_list(0x555591ce1660, 24) = 0 [pid 312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 312] setpgid(0, 0) = 0 [pid 312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 312] write(3, "1000", 4) = 4 [pid 312] close(3) = 0 [pid 312] write(1, "executing program\n", 18) = 18 [pid 312] memfd_create("syzkaller", 0) = 3 [pid 312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 312] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 312] munmap(0x7f56c2e86000, 138412032) = 0 [pid 312] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 312] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 312] ioctl(4, LOOP_CLR_FD) = 0 [pid 312] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 312] close(4) = 0 [pid 312] close(3) = 0 [pid 312] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 312] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 312] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 312] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 312] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 312] write(3, 0x2000000001c0, 18) = 18 [pid 312] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 312] exit_group(0) = ? [pid 312] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 executing program clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 313 ./strace-static-x86_64: Process 313 attached [pid 313] set_robust_list(0x555591ce1660, 24) = 0 [pid 313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 313] setpgid(0, 0) = 0 [pid 313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 313] write(3, "1000", 4) = 4 [pid 313] close(3) = 0 [pid 313] write(1, "executing program\n", 18) = 18 [pid 313] memfd_create("syzkaller", 0) = 3 [pid 313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 313] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 313] munmap(0x7f56c2e86000, 138412032) = 0 [pid 313] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 313] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 313] ioctl(4, LOOP_CLR_FD) = 0 [pid 313] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 313] close(4) = 0 [pid 313] close(3) = 0 [pid 313] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 313] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 313] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 313] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 313] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 313] write(3, 0x2000000001c0, 18) = 18 [pid 313] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 313] exit_group(0) = ? [pid 313] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 314 ./strace-static-x86_64: Process 314 attached [pid 314] set_robust_list(0x555591ce1660, 24) = 0 [pid 314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 314] setpgid(0, 0) = 0 [pid 314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 314] write(3, "1000", 4) = 4 [pid 314] close(3) = 0 [pid 314] write(1, "executing program\n", 18executing program ) = 18 [pid 314] memfd_create("syzkaller", 0) = 3 [pid 314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 314] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 314] munmap(0x7f56c2e86000, 138412032) = 0 [pid 314] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 314] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 314] ioctl(4, LOOP_CLR_FD) = 0 [pid 314] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 314] close(4) = 0 [pid 314] close(3) = 0 [pid 314] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 314] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 314] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 314] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 314] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 314] write(3, 0x2000000001c0, 18) = 18 [pid 314] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 314] exit_group(0) = ? [pid 314] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 315 ./strace-static-x86_64: Process 315 attached [pid 315] set_robust_list(0x555591ce1660, 24) = 0 [pid 315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 315] setpgid(0, 0) = 0 [pid 315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 315] write(3, "1000", 4) = 4 [pid 315] close(3) = 0 [pid 315] write(1, "executing program\n", 18executing program ) = 18 [pid 315] memfd_create("syzkaller", 0) = 3 [pid 315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 315] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 315] munmap(0x7f56c2e86000, 138412032) = 0 [pid 315] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 315] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 315] ioctl(4, LOOP_CLR_FD) = 0 [pid 315] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 315] close(4) = 0 [pid 315] close(3) = 0 [pid 315] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 315] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 315] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 315] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 315] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 315] write(3, 0x2000000001c0, 18) = 18 [pid 315] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 315] exit_group(0) = ? [pid 315] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 316 ./strace-static-x86_64: Process 316 attached [pid 316] set_robust_list(0x555591ce1660, 24) = 0 [pid 316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 316] setpgid(0, 0) = 0 [pid 316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 316] write(3, "1000", 4) = 4 [pid 316] close(3) = 0 [pid 316] write(1, "executing program\n", 18executing program ) = 18 [pid 316] memfd_create("syzkaller", 0) = 3 [pid 316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 316] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 316] munmap(0x7f56c2e86000, 138412032) = 0 [pid 316] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 316] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 316] ioctl(4, LOOP_CLR_FD) = 0 [pid 316] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 316] close(4) = 0 [pid 316] close(3) = 0 [pid 316] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 316] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 316] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 316] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 316] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 316] write(3, 0x2000000001c0, 18) = 18 [pid 316] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 316] exit_group(0) = ? [pid 316] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x555591ce1650) = 317 ./strace-static-x86_64: Process 317 attached [pid 317] set_robust_list(0x555591ce1660, 24) = 0 [pid 317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 317] setpgid(0, 0) = 0 [pid 317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 317] write(3, "1000", 4) = 4 [pid 317] close(3) = 0 [pid 317] write(1, "executing program\n", 18) = 18 [pid 317] memfd_create("syzkaller", 0) = 3 [pid 317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 317] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 317] munmap(0x7f56c2e86000, 138412032) = 0 [pid 317] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 317] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 317] ioctl(4, LOOP_CLR_FD) = 0 [pid 317] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 317] close(4) = 0 [pid 317] close(3) = 0 [pid 317] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 317] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 317] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 317] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 317] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 317] write(3, 0x2000000001c0, 18) = 18 [pid 317] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 317] exit_group(0) = ? [pid 317] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 318 ./strace-static-x86_64: Process 318 attached [pid 318] set_robust_list(0x555591ce1660, 24) = 0 [pid 318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 318] setpgid(0, 0) = 0 [pid 318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 318] write(3, "1000", 4) = 4 [pid 318] close(3) = 0 [pid 318] write(1, "executing program\n", 18executing program ) = 18 [pid 318] memfd_create("syzkaller", 0) = 3 [pid 318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 318] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 318] munmap(0x7f56c2e86000, 138412032) = 0 [pid 318] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 318] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 318] ioctl(4, LOOP_CLR_FD) = 0 [pid 318] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 318] close(4) = 0 [pid 318] close(3) = 0 [pid 318] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 318] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 318] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 318] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 318] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 318] write(3, 0x2000000001c0, 18) = 18 [pid 318] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 318] exit_group(0) = ? [pid 318] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 319 ./strace-static-x86_64: Process 319 attached [pid 319] set_robust_list(0x555591ce1660, 24) = 0 [pid 319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 319] setpgid(0, 0) = 0 [pid 319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 319] write(3, "1000", 4) = 4 [pid 319] close(3) = 0 [pid 319] write(1, "executing program\n", 18executing program ) = 18 [pid 319] memfd_create("syzkaller", 0) = 3 [pid 319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 319] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 319] munmap(0x7f56c2e86000, 138412032) = 0 [pid 319] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 319] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 319] ioctl(4, LOOP_CLR_FD) = 0 [pid 319] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 319] close(4) = 0 [pid 319] close(3) = 0 [pid 319] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 319] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 319] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 319] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 319] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 319] write(3, 0x2000000001c0, 18) = 18 [pid 319] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 319] exit_group(0) = ? [pid 319] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3executing program ) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 320 ./strace-static-x86_64: Process 320 attached [pid 320] set_robust_list(0x555591ce1660, 24) = 0 [pid 320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 320] setpgid(0, 0) = 0 [pid 320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 320] write(3, "1000", 4) = 4 [pid 320] close(3) = 0 [pid 320] write(1, "executing program\n", 18) = 18 [pid 320] memfd_create("syzkaller", 0) = 3 [pid 320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 320] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 320] munmap(0x7f56c2e86000, 138412032) = 0 [pid 320] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 320] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 320] ioctl(4, LOOP_CLR_FD) = 0 [pid 320] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 320] close(4) = 0 [pid 320] close(3) = 0 [pid 320] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 320] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 320] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 320] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 320] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 320] write(3, 0x2000000001c0, 18) = 18 [pid 320] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 320] exit_group(0) = ? [pid 320] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 321 ./strace-static-x86_64: Process 321 attached [pid 321] set_robust_list(0x555591ce1660, 24) = 0 [pid 321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 321] setpgid(0, 0) = 0 [pid 321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 321] write(3, "1000", 4) = 4 [pid 321] close(3) = 0 [pid 321] write(1, "executing program\n", 18executing program ) = 18 [pid 321] memfd_create("syzkaller", 0) = 3 [pid 321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 321] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 321] munmap(0x7f56c2e86000, 138412032) = 0 [pid 321] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 321] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 321] ioctl(4, LOOP_CLR_FD) = 0 [pid 321] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 321] close(4) = 0 [pid 321] close(3) = 0 [pid 321] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 321] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 321] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 321] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 321] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 321] write(3, 0x2000000001c0, 18) = 18 [pid 321] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 321] exit_group(0) = ? [pid 321] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=321, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x555591ce1650) = 322 ./strace-static-x86_64: Process 322 attached [pid 322] set_robust_list(0x555591ce1660, 24) = 0 [pid 322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 322] setpgid(0, 0) = 0 [pid 322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 322] write(3, "1000", 4) = 4 [pid 322] close(3) = 0 [pid 322] write(1, "executing program\n", 18) = 18 [pid 322] memfd_create("syzkaller", 0) = 3 [pid 322] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 322] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 322] munmap(0x7f56c2e86000, 138412032) = 0 [pid 322] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 322] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 322] ioctl(4, LOOP_CLR_FD) = 0 [pid 322] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 322] close(4) = 0 [pid 322] close(3) = 0 [pid 322] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 322] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 322] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 322] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 322] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 322] write(3, 0x2000000001c0, 18) = 18 [pid 322] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 322] exit_group(0) = ? [pid 322] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x555591ce1650) = 323 ./strace-static-x86_64: Process 323 attached [pid 323] set_robust_list(0x555591ce1660, 24) = 0 [pid 323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 323] setpgid(0, 0) = 0 [pid 323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 323] write(3, "1000", 4) = 4 [pid 323] close(3) = 0 [pid 323] write(1, "executing program\n", 18) = 18 [pid 323] memfd_create("syzkaller", 0) = 3 [pid 323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 323] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 323] munmap(0x7f56c2e86000, 138412032) = 0 [pid 323] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 323] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 323] ioctl(4, LOOP_CLR_FD) = 0 [pid 323] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 323] close(4) = 0 [pid 323] close(3) = 0 [pid 323] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 323] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 323] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 323] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 323] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 323] write(3, 0x2000000001c0, 18) = 18 [pid 323] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 323] exit_group(0) = ? [pid 323] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x555591ce1650) = 324 ./strace-static-x86_64: Process 324 attached [pid 324] set_robust_list(0x555591ce1660, 24) = 0 [pid 324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 324] setpgid(0, 0) = 0 [pid 324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 324] write(3, "1000", 4) = 4 [pid 324] close(3) = 0 [pid 324] write(1, "executing program\n", 18) = 18 [pid 324] memfd_create("syzkaller", 0) = 3 [pid 324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 324] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 324] munmap(0x7f56c2e86000, 138412032) = 0 [pid 324] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 324] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 324] ioctl(4, LOOP_CLR_FD) = 0 [pid 324] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 324] close(4) = 0 [pid 324] close(3) = 0 [pid 324] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 324] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 324] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 324] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 324] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 324] write(3, 0x2000000001c0, 18) = 18 [pid 324] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 324] exit_group(0) = ? [pid 324] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=324, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 325 ./strace-static-x86_64: Process 325 attached [pid 325] set_robust_list(0x555591ce1660, 24) = 0 [pid 325] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 325] setpgid(0, 0) = 0 [pid 325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 325] write(3, "1000", 4) = 4 [pid 325] close(3) = 0 [pid 325] write(1, "executing program\n", 18) = 18 [pid 325] memfd_create("syzkaller", 0) = 3 [pid 325] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 325] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 325] munmap(0x7f56c2e86000, 138412032) = 0 [pid 325] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 325] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 325] ioctl(4, LOOP_CLR_FD) = 0 [pid 325] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 325] close(4) = 0 [pid 325] close(3) = 0 [pid 325] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 325] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 325] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 325] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 325] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 325] write(3, 0x2000000001c0, 18) = 18 [pid 325] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 325] exit_group(0) = ? [pid 325] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=325, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3executing program ) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 326 ./strace-static-x86_64: Process 326 attached [pid 326] set_robust_list(0x555591ce1660, 24) = 0 [pid 326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 326] setpgid(0, 0) = 0 [pid 326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 326] write(3, "1000", 4) = 4 [pid 326] close(3) = 0 [pid 326] write(1, "executing program\n", 18) = 18 [pid 326] memfd_create("syzkaller", 0) = 3 [pid 326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 326] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 326] munmap(0x7f56c2e86000, 138412032) = 0 [pid 326] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 326] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 326] ioctl(4, LOOP_CLR_FD) = 0 [pid 326] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 326] close(4) = 0 [pid 326] close(3) = 0 [pid 326] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 326] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 326] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 326] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 326] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 326] write(3, 0x2000000001c0, 18) = 18 [pid 326] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 326] exit_group(0) = ? [pid 326] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 327 ./strace-static-x86_64: Process 327 attached [pid 327] set_robust_list(0x555591ce1660, 24) = 0 [pid 327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 327] setpgid(0, 0) = 0 [pid 327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 327] write(3, "1000", 4) = 4 [pid 327] close(3) = 0 [pid 327] write(1, "executing program\n", 18executing program ) = 18 [pid 327] memfd_create("syzkaller", 0) = 3 [pid 327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 327] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 327] munmap(0x7f56c2e86000, 138412032) = 0 [pid 327] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 327] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 327] ioctl(4, LOOP_CLR_FD) = 0 [pid 327] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 327] close(4) = 0 [pid 327] close(3) = 0 [pid 327] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 327] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 327] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 327] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 327] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 327] write(3, 0x2000000001c0, 18) = 18 [pid 327] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 327] exit_group(0) = ? [pid 327] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=327, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 328 ./strace-static-x86_64: Process 328 attached [pid 328] set_robust_list(0x555591ce1660, 24) = 0 [pid 328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 328] setpgid(0, 0) = 0 [pid 328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 328] write(3, "1000", 4) = 4 [pid 328] close(3) = 0 [pid 328] write(1, "executing program\n", 18executing program ) = 18 [pid 328] memfd_create("syzkaller", 0) = 3 [pid 328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 328] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 328] munmap(0x7f56c2e86000, 138412032) = 0 [pid 328] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 328] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 328] ioctl(4, LOOP_CLR_FD) = 0 [pid 328] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 328] close(4) = 0 [pid 328] close(3) = 0 [pid 328] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 328] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 328] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 328] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 328] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 328] write(3, 0x2000000001c0, 18) = 18 [pid 328] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 328] exit_group(0) = ? [pid 328] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 329 attached [pid 329] set_robust_list(0x555591ce1660, 24) = 0 [pid 289] <... clone resumed>, child_tidptr=0x555591ce1650) = 329 [pid 329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 329] setpgid(0, 0) = 0 [pid 329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 329] write(3, "1000", 4) = 4 [pid 329] close(3) = 0 [pid 329] write(1, "executing program\n", 18) = 18 [pid 329] memfd_create("syzkaller", 0) = 3 [pid 329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 329] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 329] munmap(0x7f56c2e86000, 138412032) = 0 [pid 329] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 329] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 329] ioctl(4, LOOP_CLR_FD) = 0 [pid 329] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 329] close(4) = 0 [pid 329] close(3) = 0 [pid 329] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 329] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 329] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 329] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 329] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 329] write(3, 0x2000000001c0, 18) = 18 [pid 329] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 329] exit_group(0) = ? [pid 329] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 330 ./strace-static-x86_64: Process 330 attached [pid 330] set_robust_list(0x555591ce1660, 24) = 0 [pid 330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 330] setpgid(0, 0) = 0 [pid 330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 330] write(3, "1000", 4) = 4 [pid 330] close(3) = 0 [pid 330] write(1, "executing program\n", 18executing program ) = 18 [pid 330] memfd_create("syzkaller", 0) = 3 [pid 330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 330] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 330] munmap(0x7f56c2e86000, 138412032) = 0 [pid 330] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 330] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 330] ioctl(4, LOOP_CLR_FD) = 0 [pid 330] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 330] close(4) = 0 [pid 330] close(3) = 0 [pid 330] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 330] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 330] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 330] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 330] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 330] write(3, 0x2000000001c0, 18) = 18 [pid 330] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 330] exit_group(0) = ? [pid 330] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=330, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 331 attached , child_tidptr=0x555591ce1650) = 331 [pid 331] set_robust_list(0x555591ce1660, 24) = 0 [pid 331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 331] setpgid(0, 0) = 0 [pid 331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 331] write(3, "1000", 4) = 4 [pid 331] close(3) = 0 executing program [pid 331] write(1, "executing program\n", 18) = 18 [pid 331] memfd_create("syzkaller", 0) = 3 [pid 331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 331] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 331] munmap(0x7f56c2e86000, 138412032) = 0 [pid 331] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 331] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 331] ioctl(4, LOOP_CLR_FD) = 0 [pid 331] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 331] close(4) = 0 [pid 331] close(3) = 0 [pid 331] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 331] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 331] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 331] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 331] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 331] write(3, 0x2000000001c0, 18) = 18 [pid 331] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 331] exit_group(0) = ? [pid 331] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=331, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 332 ./strace-static-x86_64: Process 332 attached [pid 332] set_robust_list(0x555591ce1660, 24) = 0 [pid 332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 332] setpgid(0, 0executing program ) = 0 [pid 332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 332] write(3, "1000", 4) = 4 [pid 332] close(3) = 0 [pid 332] write(1, "executing program\n", 18) = 18 [pid 332] memfd_create("syzkaller", 0) = 3 [pid 332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 332] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 332] munmap(0x7f56c2e86000, 138412032) = 0 [pid 332] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 332] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 332] ioctl(4, LOOP_CLR_FD) = 0 [pid 332] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 332] close(4) = 0 [pid 332] close(3) = 0 [pid 332] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 332] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 332] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 332] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 332] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 332] write(3, 0x2000000001c0, 18) = 18 [pid 332] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 332] exit_group(0) = ? [pid 332] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=332, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 333 ./strace-static-x86_64: Process 333 attached [pid 333] set_robust_list(0x555591ce1660, 24) = 0 [pid 333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 333] setpgid(0, 0) = 0 [pid 333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 333] write(3, "1000", 4) = 4 [pid 333] close(3) = 0 executing program [pid 333] write(1, "executing program\n", 18) = 18 [pid 333] memfd_create("syzkaller", 0) = 3 [pid 333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 333] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 333] munmap(0x7f56c2e86000, 138412032) = 0 [pid 333] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 333] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 333] ioctl(4, LOOP_CLR_FD) = 0 [pid 333] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 333] close(4) = 0 [pid 333] close(3) = 0 [pid 333] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 333] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 333] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 333] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 333] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 333] write(3, 0x2000000001c0, 18) = 18 [pid 333] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 333] exit_group(0) = ? [pid 333] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=333, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 334 ./strace-static-x86_64: Process 334 attached [pid 334] set_robust_list(0x555591ce1660, 24) = 0 [pid 334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 334] setpgid(0, 0) = 0 [pid 334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 334] write(3, "1000", 4) = 4 [pid 334] close(3) = 0 [pid 334] write(1, "executing program\n", 18executing program ) = 18 [pid 334] memfd_create("syzkaller", 0) = 3 [pid 334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 334] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 334] munmap(0x7f56c2e86000, 138412032) = 0 [pid 334] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 334] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 334] ioctl(4, LOOP_CLR_FD) = 0 [pid 334] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 334] close(4) = 0 [pid 334] close(3) = 0 [pid 334] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 334] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 334] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 334] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 334] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 334] write(3, 0x2000000001c0, 18) = 18 [pid 334] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 334] exit_group(0) = ? [pid 334] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=334, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 335 ./strace-static-x86_64: Process 335 attached [pid 335] set_robust_list(0x555591ce1660, 24) = 0 [pid 335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 335] setpgid(0, 0) = 0 [pid 335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 335] write(3, "1000", 4) = 4 [pid 335] close(3) = 0 [pid 335] write(1, "executing program\n", 18) = 18 executing program [pid 335] memfd_create("syzkaller", 0) = 3 [pid 335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 335] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 335] munmap(0x7f56c2e86000, 138412032) = 0 [pid 335] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 335] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 335] ioctl(4, LOOP_CLR_FD) = 0 [pid 335] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 335] close(4) = 0 [pid 335] close(3) = 0 [pid 335] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 335] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 335] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 335] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 335] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 335] write(3, 0x2000000001c0, 18) = 18 [pid 335] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 335] exit_group(0) = ? [pid 335] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=335, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 336 ./strace-static-x86_64: Process 336 attached [pid 336] set_robust_list(0x555591ce1660, 24) = 0 [pid 336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 336] setpgid(0, 0) = 0 [pid 336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 336] write(3, "1000", 4) = 4 [pid 336] close(3) = 0 executing program [pid 336] write(1, "executing program\n", 18) = 18 [pid 336] memfd_create("syzkaller", 0) = 3 [pid 336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 336] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 336] munmap(0x7f56c2e86000, 138412032) = 0 [pid 336] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 336] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 336] ioctl(4, LOOP_CLR_FD) = 0 [pid 336] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 336] close(4) = 0 [pid 336] close(3) = 0 [pid 336] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 336] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 336] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 336] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 336] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 336] write(3, 0x2000000001c0, 18) = 18 [pid 336] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 336] exit_group(0) = ? [pid 336] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=336, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 337 ./strace-static-x86_64: Process 337 attached [pid 337] set_robust_list(0x555591ce1660, 24) = 0 [pid 337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 337] setpgid(0, 0) = 0 [pid 337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 337] write(3, "1000", 4) = 4 [pid 337] close(3) = 0 executing program [pid 337] write(1, "executing program\n", 18) = 18 [pid 337] memfd_create("syzkaller", 0) = 3 [pid 337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 337] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 337] munmap(0x7f56c2e86000, 138412032) = 0 [pid 337] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 337] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 337] ioctl(4, LOOP_CLR_FD) = 0 [pid 337] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 337] close(4) = 0 [pid 337] close(3) = 0 [pid 337] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 337] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 337] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 337] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 337] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 337] write(3, 0x2000000001c0, 18) = 18 [pid 337] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 337] exit_group(0) = ? [pid 337] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=337, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 338 ./strace-static-x86_64: Process 338 attached [pid 338] set_robust_list(0x555591ce1660, 24) = 0 [pid 338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 338] setpgid(0, 0) = 0 [pid 338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 338] write(3, "1000", 4) = 4 executing program [pid 338] close(3) = 0 [pid 338] write(1, "executing program\n", 18) = 18 [pid 338] memfd_create("syzkaller", 0) = 3 [pid 338] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 338] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 338] munmap(0x7f56c2e86000, 138412032) = 0 [pid 338] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 338] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 338] ioctl(4, LOOP_CLR_FD) = 0 [pid 338] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 338] close(4) = 0 [pid 338] close(3) = 0 [pid 338] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 338] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 338] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 338] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 338] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 338] write(3, 0x2000000001c0, 18) = 18 [pid 338] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 338] exit_group(0) = ? [pid 338] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 339 attached , child_tidptr=0x555591ce1650) = 339 [pid 339] set_robust_list(0x555591ce1660, 24) = 0 [pid 339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 339] setpgid(0, 0) = 0 [pid 339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 339] write(3, "1000", 4) = 4 [pid 339] close(3executing program ) = 0 [pid 339] write(1, "executing program\n", 18) = 18 [pid 339] memfd_create("syzkaller", 0) = 3 [pid 339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 339] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 339] munmap(0x7f56c2e86000, 138412032) = 0 [pid 339] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 339] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 339] ioctl(4, LOOP_CLR_FD) = 0 [pid 339] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 339] close(4) = 0 [pid 339] close(3) = 0 [pid 339] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 339] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 339] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 339] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 339] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 339] write(3, 0x2000000001c0, 18) = 18 [pid 339] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 339] exit_group(0) = ? [pid 339] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=339, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 340 attached , child_tidptr=0x555591ce1650) = 340 [pid 340] set_robust_list(0x555591ce1660, 24) = 0 [pid 340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 340] setpgid(0, 0) = 0 [pid 340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 340] write(3, "1000", 4) = 4 [pid 340] close(3) = 0 executing program [pid 340] write(1, "executing program\n", 18) = 18 [pid 340] memfd_create("syzkaller", 0) = 3 [pid 340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 340] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 340] munmap(0x7f56c2e86000, 138412032) = 0 [pid 340] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 340] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 340] ioctl(4, LOOP_CLR_FD) = 0 [pid 340] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 340] close(4) = 0 [pid 340] close(3) = 0 [pid 340] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 340] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 340] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 340] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 340] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 340] write(3, 0x2000000001c0, 18) = 18 [pid 340] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 340] exit_group(0) = ? [pid 340] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=340, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 341 ./strace-static-x86_64: Process 341 attached [pid 341] set_robust_list(0x555591ce1660, 24) = 0 [pid 341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 341] setpgid(0, 0) = 0 [pid 341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 341] write(3, "1000", 4) = 4 [pid 341] close(3) = 0 executing program [pid 341] write(1, "executing program\n", 18) = 18 [pid 341] memfd_create("syzkaller", 0) = 3 [pid 341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 341] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 341] munmap(0x7f56c2e86000, 138412032) = 0 [pid 341] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 341] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 341] ioctl(4, LOOP_CLR_FD) = 0 [pid 341] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 341] close(4) = 0 [pid 341] close(3) = 0 [pid 341] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 341] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 341] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 341] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 341] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 341] write(3, 0x2000000001c0, 18) = 18 [pid 341] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 341] exit_group(0) = ? [pid 341] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=341, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 342 ./strace-static-x86_64: Process 342 attached [pid 342] set_robust_list(0x555591ce1660, 24) = 0 [pid 342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 342] setpgid(0, 0) = 0 [pid 342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 342] write(3, "1000", 4) = 4 [pid 342] close(3) = 0 [pid 342] write(1, "executing program\n", 18) = 18 executing program [pid 342] memfd_create("syzkaller", 0) = 3 [pid 342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 342] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 342] munmap(0x7f56c2e86000, 138412032) = 0 [pid 342] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 342] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 342] ioctl(4, LOOP_CLR_FD) = 0 [pid 342] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 342] close(4) = 0 [pid 342] close(3) = 0 [pid 342] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 342] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 342] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 342] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 342] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 342] write(3, 0x2000000001c0, 18) = 18 [pid 342] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 342] exit_group(0) = ? [pid 342] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=342, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 343 ./strace-static-x86_64: Process 343 attached [pid 343] set_robust_list(0x555591ce1660, 24) = 0 [pid 343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 343] setpgid(0, 0) = 0 [pid 343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 343] write(3, "1000", 4) = 4 [pid 343] close(3) = 0 [pid 343] write(1, "executing program\n", 18executing program ) = 18 [pid 343] memfd_create("syzkaller", 0) = 3 [pid 343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 343] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 343] munmap(0x7f56c2e86000, 138412032) = 0 [pid 343] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 343] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 343] ioctl(4, LOOP_CLR_FD) = 0 [pid 343] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 343] close(4) = 0 [pid 343] close(3) = 0 [pid 343] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 343] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 343] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 343] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 343] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 343] write(3, 0x2000000001c0, 18) = 18 [pid 343] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 343] exit_group(0) = ? [pid 343] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=343, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 344 ./strace-static-x86_64: Process 344 attached [pid 344] set_robust_list(0x555591ce1660, 24) = 0 [pid 344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 344] setpgid(0, 0) = 0 [pid 344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 344] write(3, "1000", 4) = 4 [pid 344] close(3) = 0 executing program [pid 344] write(1, "executing program\n", 18) = 18 [pid 344] memfd_create("syzkaller", 0) = 3 [pid 344] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 344] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 344] munmap(0x7f56c2e86000, 138412032) = 0 [pid 344] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 344] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 344] ioctl(4, LOOP_CLR_FD) = 0 [pid 344] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 344] close(4) = 0 [pid 344] close(3) = 0 [pid 344] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 344] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 344] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 344] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 344] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 344] write(3, 0x2000000001c0, 18) = 18 [pid 344] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 344] exit_group(0) = ? [pid 344] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=344, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 345 ./strace-static-x86_64: Process 345 attached [pid 345] set_robust_list(0x555591ce1660, 24) = 0 [pid 345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 345] setpgid(0, 0) = 0 [pid 345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 345] write(3, "1000", 4) = 4 [pid 345] close(3) = 0 executing program [pid 345] write(1, "executing program\n", 18) = 18 [pid 345] memfd_create("syzkaller", 0) = 3 [pid 345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 345] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 345] munmap(0x7f56c2e86000, 138412032) = 0 [pid 345] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 345] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 345] ioctl(4, LOOP_CLR_FD) = 0 [pid 345] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 345] close(4) = 0 [pid 345] close(3) = 0 [pid 345] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 345] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 345] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 345] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 345] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 345] write(3, 0x2000000001c0, 18) = 18 [pid 345] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 345] exit_group(0) = ? [pid 345] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=345, si_uid=0, si_status=0, si_utime=0, si_stime=9} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 346 ./strace-static-x86_64: Process 346 attached [pid 346] set_robust_list(0x555591ce1660, 24) = 0 [pid 346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 346] setpgid(0, 0) = 0 [pid 346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 346] write(3, "1000", 4) = 4 [pid 346] close(3) = 0 [pid 346] write(1, "executing program\n", 18executing program ) = 18 [pid 346] memfd_create("syzkaller", 0) = 3 [pid 346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 346] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 346] munmap(0x7f56c2e86000, 138412032) = 0 [pid 346] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 346] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 346] ioctl(4, LOOP_CLR_FD) = 0 [pid 346] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 346] close(4) = 0 [pid 346] close(3) = 0 [pid 346] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 346] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 346] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 346] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 346] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 346] write(3, 0x2000000001c0, 18) = 18 [pid 346] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 346] exit_group(0) = ? [pid 346] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=346, si_uid=0, si_status=0, si_utime=0, si_stime=9} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 347 ./strace-static-x86_64: Process 347 attached [pid 347] set_robust_list(0x555591ce1660, 24) = 0 [pid 347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 347] setpgid(0, 0) = 0 [pid 347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 347] write(3, "1000", 4) = 4 [pid 347] close(3) = 0 executing program [pid 347] write(1, "executing program\n", 18) = 18 [pid 347] memfd_create("syzkaller", 0) = 3 [pid 347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 347] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 347] munmap(0x7f56c2e86000, 138412032) = 0 [pid 347] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 347] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 347] ioctl(4, LOOP_CLR_FD) = 0 [pid 347] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 347] close(4) = 0 [pid 347] close(3) = 0 [pid 347] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 347] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 347] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 347] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 347] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 347] write(3, 0x2000000001c0, 18) = 18 [pid 347] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 347] exit_group(0) = ? [pid 347] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=347, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 348 ./strace-static-x86_64: Process 348 attached [pid 348] set_robust_list(0x555591ce1660, 24) = 0 [pid 348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 348] setpgid(0, 0) = 0 [pid 348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 348] write(3, "1000", 4) = 4 [pid 348] close(3) = 0 [pid 348] write(1, "executing program\n", 18executing program ) = 18 [pid 348] memfd_create("syzkaller", 0) = 3 [pid 348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 348] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 348] munmap(0x7f56c2e86000, 138412032) = 0 [pid 348] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 348] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 348] ioctl(4, LOOP_CLR_FD) = 0 [pid 348] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 348] close(4) = 0 [pid 348] close(3) = 0 [pid 348] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 348] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 348] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 348] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 348] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 348] write(3, 0x2000000001c0, 18) = 18 [pid 348] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 348] exit_group(0) = ? [pid 348] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=348, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 349 ./strace-static-x86_64: Process 349 attached [pid 349] set_robust_list(0x555591ce1660, 24) = 0 [pid 349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 349] setpgid(0, 0) = 0 [pid 349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 349] write(3, "1000", 4) = 4 [pid 349] close(3) = 0 [pid 349] write(1, "executing program\n", 18executing program ) = 18 [pid 349] memfd_create("syzkaller", 0) = 3 [pid 349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 349] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 349] munmap(0x7f56c2e86000, 138412032) = 0 [pid 349] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 349] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 349] ioctl(4, LOOP_CLR_FD) = 0 [pid 349] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 349] close(4) = 0 [pid 349] close(3) = 0 [pid 349] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 349] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 349] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 349] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 349] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 349] write(3, 0x2000000001c0, 18) = 18 [pid 349] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 349] exit_group(0) = ? [pid 349] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=349, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 350 ./strace-static-x86_64: Process 350 attached [pid 350] set_robust_list(0x555591ce1660, 24) = 0 [pid 350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 350] setpgid(0, 0) = 0 [pid 350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 350] write(3, "1000", 4) = 4 [pid 350] close(3) = 0 [pid 350] write(1, "executing program\n", 18executing program ) = 18 [pid 350] memfd_create("syzkaller", 0) = 3 [pid 350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 350] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 350] munmap(0x7f56c2e86000, 138412032) = 0 [pid 350] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 350] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 350] ioctl(4, LOOP_CLR_FD) = 0 [pid 350] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 350] close(4) = 0 [pid 350] close(3) = 0 [pid 350] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 350] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 350] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 350] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 350] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 350] write(3, 0x2000000001c0, 18) = 18 [pid 350] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 350] exit_group(0) = ? [pid 350] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=350, si_uid=0, si_status=0, si_utime=0, si_stime=9} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 351 ./strace-static-x86_64: Process 351 attached [pid 351] set_robust_list(0x555591ce1660, 24) = 0 [pid 351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 351] setpgid(0, 0) = 0 [pid 351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 351] write(3, "1000", 4) = 4 [pid 351] close(3) = 0 [pid 351] write(1, "executing program\n", 18executing program ) = 18 [pid 351] memfd_create("syzkaller", 0) = 3 [pid 351] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 351] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 351] munmap(0x7f56c2e86000, 138412032) = 0 [pid 351] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 351] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 351] ioctl(4, LOOP_CLR_FD) = 0 [pid 351] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 351] close(4) = 0 [pid 351] close(3) = 0 [pid 351] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 351] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 351] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 351] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 351] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 351] write(3, 0x2000000001c0, 18) = 18 [pid 351] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 351] exit_group(0) = ? [pid 351] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=351, si_uid=0, si_status=0, si_utime=0, si_stime=9} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 352 ./strace-static-x86_64: Process 352 attached [pid 352] set_robust_list(0x555591ce1660, 24) = 0 [pid 352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 352] setpgid(0, 0) = 0 [pid 352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 352] write(3, "1000", 4) = 4 [pid 352] close(3) = 0 [pid 352] write(1, "executing program\n", 18executing program ) = 18 [pid 352] memfd_create("syzkaller", 0) = 3 [pid 352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [pid 352] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 352] munmap(0x7f56c2e86000, 138412032) = 0 [pid 352] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 352] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 352] ioctl(4, LOOP_CLR_FD) = 0 [ 28.442329][ T292] ------------[ cut here ]------------ [ 28.447929][ T292] kernel BUG at fs/buffer.c:2714! [ 28.454890][ T292] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 28.460983][ T292] CPU: 1 PID: 292 Comm: kmmpd-loop0 Not tainted 6.1.138-syzkaller-00056-g7af56ffc913d #0 [ 28.470786][ T292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 28.480839][ T292] RIP: 0010:submit_bh_wbc+0x4c9/0x4f0 [ 28.486226][ T292] Code: c3 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c bd fe ff ff 48 89 df e8 18 3c e8 ff e9 b0 fe ff ff e8 2e e5 a3 ff 0f 0b e8 27 e5 a3 ff <0f> 0b e8 20 e5 a3 ff 0f 0b e8 19 e5 a3 ff 0f 0b e8 12 e5 a3 ff 0f [ 28.505832][ T292] RSP: 0018:ffffc90000e77ca0 EFLAGS: 00010293 [ 28.511901][ T292] RAX: ffffffff81cc0be9 RBX: 0000000000000000 RCX: ffff88810e9e1440 [ 28.519875][ T292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.527846][ T292] RBP: ffffc90000e77cf0 R08: dffffc0000000000 R09: ffffed102471f727 [ 28.535820][ T292] R10: ffffed102471f727 R11: 1ffff1102471f726 R12: 0000000000000000 [ 28.543796][ T292] R13: 1ffff1102471f726 R14: ffff8881238fb930 R15: 0000000000003801 [ 28.551771][ T292] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 28.560700][ T292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.567287][ T292] CR2: 00007f56c2f85000 CR3: 0000000126a07000 CR4: 00000000003506a0 [ 28.575267][ T292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.583252][ T292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.591229][ T292] Call Trace: [ 28.594504][ T292] [ 28.597437][ T292] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 28.603259][ T292] submit_bh+0x1f/0x30 [ 28.607340][ T292] write_mmp_block_thawed+0x34a/0x4c0 [ 28.612714][ T292] ? read_mmp_block+0x6d0/0x6d0 [ 28.617565][ T292] ? __cfi_process_timeout+0x10/0x10 [ 28.622857][ T292] write_mmp_block+0x138/0x2b0 [ 28.627627][ T292] kmmpd+0x3ce/0x950 [ 28.631529][ T292] kthread+0x281/0x320 [ 28.635601][ T292] ? __cfi_kmmpd+0x10/0x10 [pid 352] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 352] close(4) = 0 [pid 352] close(3) = 0 [pid 352] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 352] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [ 28.640018][ T292] ? __cfi_kthread+0x10/0x10 [ 28.644612][ T292] ret_from_fork+0x1f/0x30 [ 28.649039][ T292] [ 28.652051][ T292] Modules linked in: [ 28.666777][ T292] ---[ end trace 0000000000000000 ]--- [ 28.676956][ T292] RIP: 0010:submit_bh_wbc+0x4c9/0x4f0 [ 28.687144][ T292] Code: c3 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c bd fe ff ff 48 89 df e8 18 3c e8 ff e9 b0 fe ff ff e8 2e e5 a3 ff 0f 0b e8 27 e5 a3 ff <0f> 0b e8 20 e5 a3 ff 0f 0b e8 19 e5 a3 ff 0f 0b e8 12 e5 a3 ff 0f [ 28.727416][ T292] RSP: 0018:ffffc90000e77ca0 EFLAGS: 00010293 [pid 352] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 [pid 352] socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL) = -1 EFAULT (Bad address) [pid 352] openat(AT_FDCWD, 0x2000000002c0, O_RDWR|O_NOATIME|FASYNC) = 3 [pid 352] write(3, 0x2000000001c0, 18) = 18 [pid 352] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 352] exit_group(0) = ? [pid 352] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=352, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555591ce1650) = 353 ./strace-static-x86_64: Process 353 attached [pid 353] set_robust_list(0x555591ce1660, 24) = 0 [pid 353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 353] setpgid(0, 0) = 0 [pid 353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 353] write(3, "1000", 4) = 4 [pid 353] close(3) = 0 [pid 353] write(1, "executing program\n", 18executing program ) = 18 [pid 353] memfd_create("syzkaller", 0) = 3 [pid 353] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f56c2e86000 [ 28.752187][ T292] RAX: ffffffff81cc0be9 RBX: 0000000000000000 RCX: ffff88810e9e1440 [ 28.760450][ T292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.782221][ T292] RBP: ffffc90000e77cf0 R08: dffffc0000000000 R09: ffffed102471f727 [ 28.790602][ T292] R10: ffffed102471f727 R11: 1ffff1102471f726 R12: 0000000000000000 [pid 353] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 353] munmap(0x7f56c2e86000, 138412032) = 0 [pid 353] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 353] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 353] ioctl(4, LOOP_CLR_FD) = 0 [pid 353] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 353] close(4) = 0 [pid 353] close(3) = 0 [pid 353] prlimit64(0, RLIMIT_RTPRIO, NULL, NULL) = 0 [pid 353] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [ 28.798884][ T292] R13: 1ffff1102471f726 R14: ffff8881238fb930 R15: 0000000000003801 [ 28.807401][ T292] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 28.816516][ T292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.823713][ T292] CR2: 00007ffee8478718 CR3: 000000010fef3000 CR4: 00000000003506b0 [ 28.831899][ T292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.840106][ T292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.848292][ T292] Kernel panic - not syncing: Fatal exception [ 28.854569][ T292] Kernel Offset: disabled [ 28.858904][ T292] Rebooting in 86400 seconds..