./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2566061381 <...> Warning: Permanently added '10.128.0.210' (ECDSA) to the list of known hosts. execve("./syz-executor2566061381", ["./syz-executor2566061381"], 0x7ffe6653b950 /* 10 vars */) = 0 brk(NULL) = 0x555555b84000 brk(0x555555b84c40) = 0x555555b84c40 arch_prctl(ARCH_SET_FS, 0x555555b84300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2566061381", 4096) = 28 brk(0x555555ba5c40) = 0x555555ba5c40 brk(0x555555ba6000) = 0x555555ba6000 mprotect(0x7fbda1420000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 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=0x555555b845d0) = 5003 ./strace-static-x86_64: Process 5003 attached [pid 5003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5003] setpgid(0, 0) = 0 [pid 5003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5003] write(3, "1000", 4) = 4 [pid 5003] close(3) = 0 [pid 5003] memfd_create("syzkaller", 0) = 3 [pid 5003] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 syzkaller login: [ 56.789094][ T5003] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5003 'syz-executor256' [pid 5003] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5003] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5003] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5003] close(3) = 0 [pid 5003] mkdir("./file0", 0777) = 0 [pid 5003] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 56.882395][ T5003] loop0: detected capacity change from 0 to 14901 [ 56.897243][ T5003] jfs_mount: diMount failed w/rc = -5 [ 56.903320][ T5003] Mount JFS Failure: -5 [ 56.907476][ T5003] jfs_mount failed w/return code = -5 [pid 5003] ioctl(4, LOOP_CLR_FD) = 0 [pid 5003] close(4) = 0 [pid 5003] exit_group(0) = ? [pid 5003] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5003, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} --- 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=0x555555b845d0) = 5005 ./strace-static-x86_64: Process 5005 attached [pid 5005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] setpgid(0, 0) = 0 [pid 5005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] write(3, "1000", 4) = 4 [pid 5005] close(3) = 0 [pid 5005] memfd_create("syzkaller", 0) = 3 [pid 5005] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5005] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5005] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5005] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5005] close(3) = 0 [pid 5005] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5005] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 57.101800][ T5005] loop0: detected capacity change from 0 to 14901 [ 57.111915][ T5005] jfs_mount: diMount failed w/rc = -5 [ 57.118325][ T5005] Mount JFS Failure: -5 [ 57.122733][ T5005] jfs_mount failed w/return code = -5 [pid 5005] ioctl(4, LOOP_CLR_FD) = 0 [pid 5005] close(4) = 0 [pid 5005] exit_group(0) = ? [pid 5005] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5005, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5006 ./strace-static-x86_64: Process 5006 attached [pid 5006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5006] setpgid(0, 0) = 0 [pid 5006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5006] write(3, "1000", 4) = 4 [pid 5006] close(3) = 0 [pid 5006] memfd_create("syzkaller", 0) = 3 [pid 5006] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5006] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5006] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5006] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5006] close(3) = 0 [pid 5006] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5006] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 57.324182][ T5006] loop0: detected capacity change from 0 to 14901 [ 57.335822][ T5006] jfs_mount: diMount failed w/rc = -5 [ 57.341735][ T5006] Mount JFS Failure: -5 [ 57.346982][ T5006] jfs_mount failed w/return code = -5 [pid 5006] ioctl(4, LOOP_CLR_FD) = 0 [pid 5006] close(4) = 0 [pid 5006] exit_group(0) = ? [pid 5006] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5006, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5007 ./strace-static-x86_64: Process 5007 attached [pid 5007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5007] setpgid(0, 0) = 0 [pid 5007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5007] write(3, "1000", 4) = 4 [pid 5007] close(3) = 0 [pid 5007] memfd_create("syzkaller", 0) = 3 [pid 5007] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5007] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5007] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5007] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5007] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5007] close(3) = 0 [pid 5007] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5007] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 57.543963][ T5007] loop0: detected capacity change from 0 to 14901 [ 57.554587][ T5007] jfs_mount: diMount failed w/rc = -5 [ 57.560219][ T5007] Mount JFS Failure: -5 [ 57.564464][ T5007] jfs_mount failed w/return code = -5 [pid 5007] ioctl(4, LOOP_CLR_FD) = 0 [pid 5007] close(4) = 0 [pid 5007] exit_group(0) = ? [pid 5007] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5007, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5008 ./strace-static-x86_64: Process 5008 attached [pid 5008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5008] setpgid(0, 0) = 0 [pid 5008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5008] write(3, "1000", 4) = 4 [pid 5008] close(3) = 0 [pid 5008] memfd_create("syzkaller", 0) = 3 [pid 5008] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5008] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5008] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5008] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5008] close(3) = 0 [pid 5008] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5008] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 57.748395][ T5008] loop0: detected capacity change from 0 to 14901 [ 57.759769][ T5008] jfs_mount: diMount failed w/rc = -5 [ 57.765798][ T5008] Mount JFS Failure: -5 [ 57.769961][ T5008] jfs_mount failed w/return code = -5 [pid 5008] ioctl(4, LOOP_CLR_FD) = 0 [pid 5008] close(4) = 0 [pid 5008] exit_group(0) = ? [pid 5008] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5008, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5009 ./strace-static-x86_64: Process 5009 attached [pid 5009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5009] setpgid(0, 0) = 0 [pid 5009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5009] write(3, "1000", 4) = 4 [pid 5009] close(3) = 0 [pid 5009] memfd_create("syzkaller", 0) = 3 [pid 5009] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5009] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5009] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5009] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5009] close(3) = 0 [pid 5009] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5009] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 57.943667][ T5009] loop0: detected capacity change from 0 to 14901 [ 57.954603][ T5009] jfs_mount: diMount failed w/rc = -5 [ 57.960284][ T5009] Mount JFS Failure: -5 [ 57.964510][ T5009] jfs_mount failed w/return code = -5 [pid 5009] ioctl(4, LOOP_CLR_FD) = 0 [pid 5009] close(4) = 0 [pid 5009] exit_group(0) = ? [pid 5009] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5009, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- 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=0x555555b845d0) = 5010 ./strace-static-x86_64: Process 5010 attached [pid 5010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5010] setpgid(0, 0) = 0 [pid 5010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5010] write(3, "1000", 4) = 4 [pid 5010] close(3) = 0 [pid 5010] memfd_create("syzkaller", 0) = 3 [pid 5010] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5010] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5010] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5010] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5010] close(3) = 0 [pid 5010] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5010] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 58.163053][ T5010] loop0: detected capacity change from 0 to 14901 [ 58.173609][ T5010] jfs_mount: diMount failed w/rc = -5 [ 58.179526][ T5010] Mount JFS Failure: -5 [ 58.183812][ T5010] jfs_mount failed w/return code = -5 [pid 5010] ioctl(4, LOOP_CLR_FD) = 0 [pid 5010] close(4) = 0 [pid 5010] exit_group(0) = ? [pid 5010] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5010, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=9 /* 0.09 s */} --- 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=0x555555b845d0) = 5011 ./strace-static-x86_64: Process 5011 attached [pid 5011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5011] setpgid(0, 0) = 0 [pid 5011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5011] write(3, "1000", 4) = 4 [pid 5011] close(3) = 0 [pid 5011] memfd_create("syzkaller", 0) = 3 [pid 5011] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5011] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5011] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5011] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5011] close(3) = 0 [pid 5011] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5011] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 58.384886][ T5011] loop0: detected capacity change from 0 to 14901 [ 58.394767][ T5011] jfs_mount: diMount failed w/rc = -5 [ 58.400334][ T5011] Mount JFS Failure: -5 [ 58.404549][ T5011] jfs_mount failed w/return code = -5 [pid 5011] ioctl(4, LOOP_CLR_FD) = 0 [pid 5011] close(4) = 0 [pid 5011] exit_group(0) = ? [pid 5011] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5011, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- 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=0x555555b845d0) = 5012 ./strace-static-x86_64: Process 5012 attached [pid 5012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5012] setpgid(0, 0) = 0 [pid 5012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5012] write(3, "1000", 4) = 4 [pid 5012] close(3) = 0 [pid 5012] memfd_create("syzkaller", 0) = 3 [pid 5012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5012] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5012] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5012] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5012] close(3) = 0 [pid 5012] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5012] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 58.602921][ T5012] loop0: detected capacity change from 0 to 14901 [ 58.612061][ T5012] jfs_mount: diMount failed w/rc = -5 [ 58.617753][ T5012] Mount JFS Failure: -5 [ 58.621893][ T5012] jfs_mount failed w/return code = -5 [pid 5012] ioctl(4, LOOP_CLR_FD) = 0 [pid 5012] close(4) = 0 [pid 5012] exit_group(0) = ? [pid 5012] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5012, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- 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=0x555555b845d0) = 5013 ./strace-static-x86_64: Process 5013 attached [pid 5013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5013] setpgid(0, 0) = 0 [pid 5013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5013] write(3, "1000", 4) = 4 [pid 5013] close(3) = 0 [pid 5013] memfd_create("syzkaller", 0) = 3 [pid 5013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5013] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5013] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5013] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5013] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5013] close(3) = 0 [pid 5013] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5013] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 58.821462][ T5013] loop0: detected capacity change from 0 to 14901 [ 58.832361][ T5013] jfs_mount: diMount failed w/rc = -5 [ 58.838207][ T5013] Mount JFS Failure: -5 [ 58.842785][ T5013] jfs_mount failed w/return code = -5 [pid 5013] ioctl(4, LOOP_CLR_FD) = 0 [pid 5013] close(4) = 0 [pid 5013] exit_group(0) = ? [pid 5013] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5013, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- 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=0x555555b845d0) = 5014 ./strace-static-x86_64: Process 5014 attached [pid 5014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5014] setpgid(0, 0) = 0 [pid 5014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1000", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] memfd_create("syzkaller", 0) = 3 [pid 5014] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5014] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5014] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5014] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5014] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5014] close(3) = 0 [pid 5014] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5014] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 59.038853][ T5014] loop0: detected capacity change from 0 to 14901 [ 59.048816][ T5014] jfs_mount: diMount failed w/rc = -5 [ 59.054624][ T5014] Mount JFS Failure: -5 [ 59.060548][ T5014] jfs_mount failed w/return code = -5 [pid 5014] ioctl(4, LOOP_CLR_FD) = 0 [pid 5014] close(4) = 0 [pid 5014] exit_group(0) = ? [pid 5014] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5014, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5015 ./strace-static-x86_64: Process 5015 attached [pid 5015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5015] setpgid(0, 0) = 0 [pid 5015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5015] write(3, "1000", 4) = 4 [pid 5015] close(3) = 0 [pid 5015] memfd_create("syzkaller", 0) = 3 [pid 5015] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5015] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5015] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5015] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5015] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5015] close(3) = 0 [pid 5015] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5015] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 59.240128][ T5015] loop0: detected capacity change from 0 to 14901 [ 59.251171][ T5015] jfs_mount: diMount failed w/rc = -5 [ 59.257100][ T5015] Mount JFS Failure: -5 [ 59.261277][ T5015] jfs_mount failed w/return code = -5 [pid 5015] ioctl(4, LOOP_CLR_FD) = 0 [pid 5015] close(4) = 0 [pid 5015] exit_group(0) = ? [pid 5015] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5015, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5016 ./strace-static-x86_64: Process 5016 attached [pid 5016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5016] setpgid(0, 0) = 0 [pid 5016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5016] write(3, "1000", 4) = 4 [pid 5016] close(3) = 0 [pid 5016] memfd_create("syzkaller", 0) = 3 [pid 5016] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5016] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5016] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5016] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5016] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5016] close(3) = 0 [pid 5016] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5016] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 59.449296][ T5016] loop0: detected capacity change from 0 to 14901 [ 59.460447][ T5016] jfs_mount: diMount failed w/rc = -5 [ 59.466276][ T5016] Mount JFS Failure: -5 [ 59.470484][ T5016] jfs_mount failed w/return code = -5 [pid 5016] ioctl(4, LOOP_CLR_FD) = 0 [pid 5016] close(4) = 0 [pid 5016] exit_group(0) = ? [pid 5016] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5016, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5017 ./strace-static-x86_64: Process 5017 attached [pid 5017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5017] setpgid(0, 0) = 0 [pid 5017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5017] write(3, "1000", 4) = 4 [pid 5017] close(3) = 0 [pid 5017] memfd_create("syzkaller", 0) = 3 [pid 5017] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5017] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5017] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5017] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5017] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5017] close(3) = 0 [pid 5017] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5017] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 59.671624][ T5017] loop0: detected capacity change from 0 to 14901 [ 59.692850][ T5017] jfs_mount: diMount failed w/rc = -5 [ 59.698507][ T5017] Mount JFS Failure: -5 [ 59.702779][ T5017] jfs_mount failed w/return code = -5 [pid 5017] ioctl(4, LOOP_CLR_FD) = 0 [pid 5017] close(4) = 0 [pid 5017] exit_group(0) = ? [pid 5017] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5017, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5018 ./strace-static-x86_64: Process 5018 attached [pid 5018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5018] setpgid(0, 0) = 0 [pid 5018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5018] write(3, "1000", 4) = 4 [pid 5018] close(3) = 0 [pid 5018] memfd_create("syzkaller", 0) = 3 [pid 5018] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5018] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5018] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5018] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5018] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5018] close(3) = 0 [pid 5018] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5018] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 59.900208][ T5018] loop0: detected capacity change from 0 to 14901 [ 59.910733][ T5018] jfs_mount: diMount failed w/rc = -5 [ 59.916603][ T5018] Mount JFS Failure: -5 [ 59.920964][ T5018] jfs_mount failed w/return code = -5 [pid 5018] ioctl(4, LOOP_CLR_FD) = 0 [pid 5018] close(4) = 0 [pid 5018] exit_group(0) = ? [pid 5018] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5018, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- 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=0x555555b845d0) = 5019 ./strace-static-x86_64: Process 5019 attached [pid 5019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5019] setpgid(0, 0) = 0 [pid 5019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5019] write(3, "1000", 4) = 4 [pid 5019] close(3) = 0 [pid 5019] memfd_create("syzkaller", 0) = 3 [pid 5019] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5019] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5019] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5019] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5019] close(3) = 0 [pid 5019] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5019] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 60.094915][ T5019] loop0: detected capacity change from 0 to 14901 [ 60.105682][ T5019] jfs_mount: diMount failed w/rc = -5 [ 60.111564][ T5019] Mount JFS Failure: -5 [ 60.115863][ T5019] jfs_mount failed w/return code = -5 [pid 5019] ioctl(4, LOOP_CLR_FD) = 0 [pid 5019] close(4) = 0 [pid 5019] exit_group(0) = ? [pid 5019] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5019, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5020 ./strace-static-x86_64: Process 5020 attached [pid 5020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5020] setpgid(0, 0) = 0 [pid 5020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5020] write(3, "1000", 4) = 4 [pid 5020] close(3) = 0 [pid 5020] memfd_create("syzkaller", 0) = 3 [pid 5020] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5020] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5020] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5020] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5020] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5020] close(3) = 0 [pid 5020] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5020] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 60.288298][ T5020] loop0: detected capacity change from 0 to 14901 [ 60.309377][ T5020] jfs_mount: diMount failed w/rc = -5 [ 60.315306][ T5020] Mount JFS Failure: -5 [ 60.319508][ T5020] jfs_mount failed w/return code = -5 [pid 5020] ioctl(4, LOOP_CLR_FD) = 0 [pid 5020] close(4) = 0 [pid 5020] exit_group(0) = ? [pid 5020] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5020, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- 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=0x555555b845d0) = 5021 ./strace-static-x86_64: Process 5021 attached [pid 5021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5021] setpgid(0, 0) = 0 [pid 5021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5021] write(3, "1000", 4) = 4 [pid 5021] close(3) = 0 [pid 5021] memfd_create("syzkaller", 0) = 3 [pid 5021] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5021] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5021] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5021] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5021] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5021] close(3) = 0 [pid 5021] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5021] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 60.497969][ T5021] loop0: detected capacity change from 0 to 14901 [ 60.509289][ T5021] jfs_mount: diMount failed w/rc = -5 [ 60.515148][ T5021] Mount JFS Failure: -5 [ 60.519350][ T5021] jfs_mount failed w/return code = -5 [pid 5021] ioctl(4, LOOP_CLR_FD) = 0 [pid 5021] close(4) = 0 [pid 5021] exit_group(0) = ? [pid 5021] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5021, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- 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=0x555555b845d0) = 5022 ./strace-static-x86_64: Process 5022 attached [pid 5022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5022] setpgid(0, 0) = 0 [pid 5022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5022] write(3, "1000", 4) = 4 [pid 5022] close(3) = 0 [pid 5022] memfd_create("syzkaller", 0) = 3 [pid 5022] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5022] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5022] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5022] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5022] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5022] close(3) = 0 [pid 5022] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5022] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 60.719268][ T5022] loop0: detected capacity change from 0 to 14901 [ 60.729482][ T5022] jfs_mount: diMount failed w/rc = -5 [ 60.735260][ T5022] Mount JFS Failure: -5 [ 60.739441][ T5022] jfs_mount failed w/return code = -5 [pid 5022] ioctl(4, LOOP_CLR_FD) = 0 [pid 5022] close(4) = 0 [pid 5022] exit_group(0) = ? [pid 5022] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5022, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5023 ./strace-static-x86_64: Process 5023 attached [pid 5023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5023] setpgid(0, 0) = 0 [pid 5023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5023] write(3, "1000", 4) = 4 [pid 5023] close(3) = 0 [pid 5023] memfd_create("syzkaller", 0) = 3 [pid 5023] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5023] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5023] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5023] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5023] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5023] close(3) = 0 [pid 5023] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5023] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 60.936780][ T5023] loop0: detected capacity change from 0 to 14901 [ 60.947457][ T5023] jfs_mount: diMount failed w/rc = -5 [ 60.953247][ T5023] Mount JFS Failure: -5 [ 60.957428][ T5023] jfs_mount failed w/return code = -5 [pid 5023] ioctl(4, LOOP_CLR_FD) = 0 [pid 5023] close(4) = 0 [pid 5023] exit_group(0) = ? [pid 5023] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5023, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- 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=0x555555b845d0) = 5024 ./strace-static-x86_64: Process 5024 attached [pid 5024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5024] setpgid(0, 0) = 0 [pid 5024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "1000", 4) = 4 [pid 5024] close(3) = 0 [pid 5024] memfd_create("syzkaller", 0) = 3 [pid 5024] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5024] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5024] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5024] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5024] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5024] close(3) = 0 [pid 5024] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5024] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 61.176442][ T5024] loop0: detected capacity change from 0 to 14901 [ 61.188288][ T5024] jfs_mount: diMount failed w/rc = -5 [ 61.194137][ T5024] Mount JFS Failure: -5 [ 61.198365][ T5024] jfs_mount failed w/return code = -5 [pid 5024] ioctl(4, LOOP_CLR_FD) = 0 [pid 5024] close(4) = 0 [pid 5024] exit_group(0) = ? [pid 5024] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5024, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- 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=0x555555b845d0) = 5025 ./strace-static-x86_64: Process 5025 attached [pid 5025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5025] setpgid(0, 0) = 0 [pid 5025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1000", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] memfd_create("syzkaller", 0) = 3 [pid 5025] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5025] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5025] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5025] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5025] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5025] close(3) = 0 [pid 5025] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5025] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 61.393791][ T5025] loop0: detected capacity change from 0 to 14901 [ 61.403548][ T5025] jfs_mount: diMount failed w/rc = -5 [ 61.409131][ T5025] Mount JFS Failure: -5 [ 61.413922][ T5025] jfs_mount failed w/return code = -5 [pid 5025] ioctl(4, LOOP_CLR_FD) = 0 [pid 5025] close(4) = 0 [pid 5025] exit_group(0) = ? [pid 5025] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5025, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- 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=0x555555b845d0) = 5026 ./strace-static-x86_64: Process 5026 attached [pid 5026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5026] setpgid(0, 0) = 0 [pid 5026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1000", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] memfd_create("syzkaller", 0) = 3 [pid 5026] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5026] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5026] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5026] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5026] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5026] close(3) = 0 [pid 5026] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5026] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 61.616258][ T5026] loop0: detected capacity change from 0 to 14901 [ 61.626268][ T5026] jfs_mount: diMount failed w/rc = -5 [ 61.632188][ T5026] Mount JFS Failure: -5 [ 61.636366][ T5026] jfs_mount failed w/return code = -5 [pid 5026] ioctl(4, LOOP_CLR_FD) = 0 [pid 5026] close(4) = 0 [pid 5026] exit_group(0) = ? [pid 5026] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5026, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- 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=0x555555b845d0) = 5027 ./strace-static-x86_64: Process 5027 attached [pid 5027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5027] setpgid(0, 0) = 0 [pid 5027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "1000", 4) = 4 [pid 5027] close(3) = 0 [pid 5027] memfd_create("syzkaller", 0) = 3 [pid 5027] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5027] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5027] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5027] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5027] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5027] close(3) = 0 [pid 5027] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5027] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 61.832979][ T5027] loop0: detected capacity change from 0 to 14901 [ 61.842562][ T5027] jfs_mount: diMount failed w/rc = -5 [ 61.848141][ T5027] Mount JFS Failure: -5 [ 61.852476][ T5027] jfs_mount failed w/return code = -5 [pid 5027] ioctl(4, LOOP_CLR_FD) = 0 [pid 5027] close(4) = 0 [pid 5027] exit_group(0) = ? [pid 5027] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5027, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5028 ./strace-static-x86_64: Process 5028 attached [pid 5028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5028] setpgid(0, 0) = 0 [pid 5028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "1000", 4) = 4 [pid 5028] close(3) = 0 [pid 5028] memfd_create("syzkaller", 0) = 3 [pid 5028] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5028] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5028] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5028] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5028] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5028] close(3) = 0 [pid 5028] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5028] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 62.056568][ T5028] loop0: detected capacity change from 0 to 14901 [ 62.067018][ T5028] jfs_mount: diMount failed w/rc = -5 [ 62.072845][ T5028] Mount JFS Failure: -5 [ 62.077086][ T5028] jfs_mount failed w/return code = -5 [pid 5028] ioctl(4, LOOP_CLR_FD) = 0 [pid 5028] close(4) = 0 [pid 5028] exit_group(0) = ? [pid 5028] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5028, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5029 ./strace-static-x86_64: Process 5029 attached [pid 5029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5029] setpgid(0, 0) = 0 [pid 5029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5029] write(3, "1000", 4) = 4 [pid 5029] close(3) = 0 [pid 5029] memfd_create("syzkaller", 0) = 3 [pid 5029] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5029] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5029] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5029] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5029] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5029] close(3) = 0 [pid 5029] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5029] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 62.282856][ T5029] loop0: detected capacity change from 0 to 14901 [ 62.294473][ T5029] jfs_mount: diMount failed w/rc = -5 [ 62.300387][ T5029] Mount JFS Failure: -5 [ 62.304880][ T5029] jfs_mount failed w/return code = -5 [pid 5029] ioctl(4, LOOP_CLR_FD) = 0 [pid 5029] close(4) = 0 [pid 5029] exit_group(0) = ? [pid 5029] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5029, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- 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./strace-static-x86_64: Process 5030 attached , child_tidptr=0x555555b845d0) = 5030 [pid 5030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5030] setpgid(0, 0) = 0 [pid 5030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5030] write(3, "1000", 4) = 4 [pid 5030] close(3) = 0 [pid 5030] memfd_create("syzkaller", 0) = 3 [pid 5030] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5030] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5030] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5030] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5030] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5030] close(3) = 0 [pid 5030] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5030] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 62.520253][ T5030] loop0: detected capacity change from 0 to 14901 [ 62.530217][ T5030] jfs_mount: diMount failed w/rc = -5 [ 62.536085][ T5030] Mount JFS Failure: -5 [ 62.540264][ T5030] jfs_mount failed w/return code = -5 [pid 5030] ioctl(4, LOOP_CLR_FD) = 0 [pid 5030] close(4) = 0 [pid 5030] exit_group(0) = ? [pid 5030] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5030, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5031 ./strace-static-x86_64: Process 5031 attached [pid 5031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5031] setpgid(0, 0) = 0 [pid 5031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5031] write(3, "1000", 4) = 4 [pid 5031] close(3) = 0 [pid 5031] memfd_create("syzkaller", 0) = 3 [pid 5031] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5031] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5031] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5031] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5031] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5031] close(3) = 0 [pid 5031] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5031] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 62.735270][ T5031] loop0: detected capacity change from 0 to 14901 [ 62.746019][ T5031] jfs_mount: diMount failed w/rc = -5 [ 62.751593][ T5031] Mount JFS Failure: -5 [ 62.755914][ T5031] jfs_mount failed w/return code = -5 [pid 5031] ioctl(4, LOOP_CLR_FD) = 0 [pid 5031] close(4) = 0 [pid 5031] exit_group(0) = ? [pid 5031] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5031, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5032 ./strace-static-x86_64: Process 5032 attached [pid 5032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5032] setpgid(0, 0) = 0 [pid 5032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5032] write(3, "1000", 4) = 4 [pid 5032] close(3) = 0 [pid 5032] memfd_create("syzkaller", 0) = 3 [pid 5032] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5032] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5032] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5032] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5032] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5032] close(3) = 0 [pid 5032] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5032] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 62.951937][ T5032] loop0: detected capacity change from 0 to 14901 [ 62.961576][ T5032] jfs_mount: diMount failed w/rc = -5 [ 62.967413][ T5032] Mount JFS Failure: -5 [ 62.971571][ T5032] jfs_mount failed w/return code = -5 [pid 5032] ioctl(4, LOOP_CLR_FD) = 0 [pid 5032] close(4) = 0 [pid 5032] exit_group(0) = ? [pid 5032] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5032, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- 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=0x555555b845d0) = 5033 ./strace-static-x86_64: Process 5033 attached [pid 5033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5033] setpgid(0, 0) = 0 [pid 5033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5033] write(3, "1000", 4) = 4 [pid 5033] close(3) = 0 [pid 5033] memfd_create("syzkaller", 0) = 3 [pid 5033] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5033] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5033] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5033] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5033] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5033] close(3) = 0 [pid 5033] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5033] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 63.174662][ T5033] loop0: detected capacity change from 0 to 14901 [ 63.185340][ T5033] jfs_mount: diMount failed w/rc = -5 [ 63.190988][ T5033] Mount JFS Failure: -5 [ 63.195274][ T5033] jfs_mount failed w/return code = -5 [pid 5033] ioctl(4, LOOP_CLR_FD) = 0 [pid 5033] close(4) = 0 [pid 5033] exit_group(0) = ? [pid 5033] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5033, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5034 ./strace-static-x86_64: Process 5034 attached [pid 5034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5034] setpgid(0, 0) = 0 [pid 5034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5034] write(3, "1000", 4) = 4 [pid 5034] close(3) = 0 [pid 5034] memfd_create("syzkaller", 0) = 3 [pid 5034] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5034] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5034] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5034] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5034] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5034] close(3) = 0 [pid 5034] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5034] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 63.399079][ T5034] loop0: detected capacity change from 0 to 14901 [ 63.409859][ T5034] jfs_mount: diMount failed w/rc = -5 [ 63.415922][ T5034] Mount JFS Failure: -5 [ 63.420127][ T5034] jfs_mount failed w/return code = -5 [pid 5034] ioctl(4, LOOP_CLR_FD) = 0 [pid 5034] close(4) = 0 [pid 5034] exit_group(0) = ? [pid 5034] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5034, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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./strace-static-x86_64: Process 5035 attached [pid 5035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5035] setpgid(0, 0) = 0 [pid 5035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "1000", 4 [pid 5002] <... clone resumed>, child_tidptr=0x555555b845d0) = 5035 [pid 5035] <... write resumed>) = 4 [pid 5035] close(3) = 0 [pid 5035] memfd_create("syzkaller", 0) = 3 [pid 5035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5035] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5035] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5035] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5035] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5035] close(3) = 0 [pid 5035] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5035] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 63.605396][ T5035] loop0: detected capacity change from 0 to 14901 [ 63.625363][ T5035] jfs_mount: diMount failed w/rc = -5 [ 63.631278][ T5035] Mount JFS Failure: -5 [ 63.635582][ T5035] jfs_mount failed w/return code = -5 [pid 5035] ioctl(4, LOOP_CLR_FD) = 0 [pid 5035] close(4) = 0 [pid 5035] exit_group(0) = ? [pid 5035] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5035, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- 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=0x555555b845d0) = 5036 ./strace-static-x86_64: Process 5036 attached [pid 5036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5036] setpgid(0, 0) = 0 [pid 5036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "1000", 4) = 4 [pid 5036] close(3) = 0 [pid 5036] memfd_create("syzkaller", 0) = 3 [pid 5036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5036] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5036] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5036] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5036] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5036] close(3) = 0 [pid 5036] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5036] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 63.827135][ T5036] loop0: detected capacity change from 0 to 14901 [ 63.836221][ T5036] jfs_mount: diMount failed w/rc = -5 [ 63.841828][ T5036] Mount JFS Failure: -5 [ 63.846273][ T5036] jfs_mount failed w/return code = -5 [pid 5036] ioctl(4, LOOP_CLR_FD) = 0 [pid 5036] close(4) = 0 [pid 5036] exit_group(0) = ? [pid 5036] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5036, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5037 ./strace-static-x86_64: Process 5037 attached [pid 5037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5037] setpgid(0, 0) = 0 [pid 5037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "1000", 4) = 4 [pid 5037] close(3) = 0 [pid 5037] memfd_create("syzkaller", 0) = 3 [pid 5037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5037] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5037] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5037] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5037] close(3) = 0 [pid 5037] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5037] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 64.058110][ T5037] loop0: detected capacity change from 0 to 14901 [ 64.068807][ T5037] jfs_mount: diMount failed w/rc = -5 [ 64.074990][ T5037] Mount JFS Failure: -5 [ 64.079193][ T5037] jfs_mount failed w/return code = -5 [pid 5037] ioctl(4, LOOP_CLR_FD) = 0 [pid 5037] close(4) = 0 [pid 5037] exit_group(0) = ? [pid 5037] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5037, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5038 ./strace-static-x86_64: Process 5038 attached [pid 5038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5038] setpgid(0, 0) = 0 [pid 5038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5038] write(3, "1000", 4) = 4 [pid 5038] close(3) = 0 [pid 5038] memfd_create("syzkaller", 0) = 3 [pid 5038] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5038] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5038] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5038] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5038] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5038] close(3) = 0 [pid 5038] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5038] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 64.257620][ T5038] loop0: detected capacity change from 0 to 14901 [ 64.267744][ T5038] jfs_mount: diMount failed w/rc = -5 [ 64.273742][ T5038] Mount JFS Failure: -5 [ 64.277948][ T5038] jfs_mount failed w/return code = -5 [pid 5038] ioctl(4, LOOP_CLR_FD) = 0 [pid 5038] close(4) = 0 [pid 5038] exit_group(0) = ? [pid 5038] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5038, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- 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=0x555555b845d0) = 5039 ./strace-static-x86_64: Process 5039 attached [pid 5039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5039] setpgid(0, 0) = 0 [pid 5039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5039] write(3, "1000", 4) = 4 [pid 5039] close(3) = 0 [pid 5039] memfd_create("syzkaller", 0) = 3 [pid 5039] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5039] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5039] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5039] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5039] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5039] close(3) = 0 [pid 5039] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5039] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 64.460976][ T5039] loop0: detected capacity change from 0 to 14901 [ 64.470079][ T5039] jfs_mount: diMount failed w/rc = -5 [ 64.476005][ T5039] Mount JFS Failure: -5 [ 64.480186][ T5039] jfs_mount failed w/return code = -5 [pid 5039] ioctl(4, LOOP_CLR_FD) = 0 [pid 5039] close(4) = 0 [pid 5039] exit_group(0) = ? [pid 5039] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5039, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- 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./strace-static-x86_64: Process 5040 attached , child_tidptr=0x555555b845d0) = 5040 [pid 5040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5040] setpgid(0, 0) = 0 [pid 5040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5040] write(3, "1000", 4) = 4 [pid 5040] close(3) = 0 [pid 5040] memfd_create("syzkaller", 0) = 3 [pid 5040] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5040] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5040] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5040] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5040] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5040] close(3) = 0 [pid 5040] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5040] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 64.672293][ T5040] loop0: detected capacity change from 0 to 14901 [ 64.681763][ T5040] jfs_mount: diMount failed w/rc = -5 [ 64.687698][ T5040] Mount JFS Failure: -5 [ 64.691907][ T5040] jfs_mount failed w/return code = -5 [pid 5040] ioctl(4, LOOP_CLR_FD) = 0 [pid 5040] close(4) = 0 [pid 5040] exit_group(0) = ? [pid 5040] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5040, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- 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=0x555555b845d0) = 5041 ./strace-static-x86_64: Process 5041 attached [pid 5041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5041] setpgid(0, 0) = 0 [pid 5041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5041] write(3, "1000", 4) = 4 [pid 5041] close(3) = 0 [pid 5041] memfd_create("syzkaller", 0) = 3 [pid 5041] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5041] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5041] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5041] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5041] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5041] close(3) = 0 [pid 5041] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5041] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 64.896787][ T5041] loop0: detected capacity change from 0 to 14901 [ 64.906462][ T5041] jfs_mount: diMount failed w/rc = -5 [ 64.912736][ T5041] Mount JFS Failure: -5 [ 64.917129][ T5041] jfs_mount failed w/return code = -5 [pid 5041] ioctl(4, LOOP_CLR_FD) = 0 [pid 5041] close(4) = 0 [pid 5041] exit_group(0) = ? [pid 5041] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5041, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- 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=0x555555b845d0) = 5042 ./strace-static-x86_64: Process 5042 attached [pid 5042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5042] setpgid(0, 0) = 0 [pid 5042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5042] write(3, "1000", 4) = 4 [pid 5042] close(3) = 0 [pid 5042] memfd_create("syzkaller", 0) = 3 [pid 5042] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5042] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5042] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5042] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5042] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5042] close(3) = 0 [pid 5042] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5042] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 65.089938][ T5042] loop0: detected capacity change from 0 to 14901 [ 65.099978][ T5042] jfs_mount: diMount failed w/rc = -5 [ 65.105967][ T5042] Mount JFS Failure: -5 [ 65.110229][ T5042] jfs_mount failed w/return code = -5 [pid 5042] ioctl(4, LOOP_CLR_FD) = 0 [pid 5042] close(4) = 0 [pid 5042] exit_group(0) = ? [pid 5042] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5042, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5043 ./strace-static-x86_64: Process 5043 attached [pid 5043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5043] setpgid(0, 0) = 0 [pid 5043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5043] write(3, "1000", 4) = 4 [pid 5043] close(3) = 0 [pid 5043] memfd_create("syzkaller", 0) = 3 [pid 5043] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5043] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5043] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5043] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5043] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5043] close(3) = 0 [pid 5043] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5043] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 65.294508][ T5043] loop0: detected capacity change from 0 to 14901 [ 65.314820][ T5043] jfs_mount: diMount failed w/rc = -5 [ 65.320567][ T5043] Mount JFS Failure: -5 [ 65.325120][ T5043] jfs_mount failed w/return code = -5 [pid 5043] ioctl(4, LOOP_CLR_FD) = 0 [pid 5043] close(4) = 0 [pid 5043] exit_group(0) = ? [pid 5043] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5043, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5044 ./strace-static-x86_64: Process 5044 attached [pid 5044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5044] setpgid(0, 0) = 0 [pid 5044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5044] write(3, "1000", 4) = 4 [pid 5044] close(3) = 0 [pid 5044] memfd_create("syzkaller", 0) = 3 [pid 5044] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5044] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5044] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5044] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5044] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5044] close(3) = 0 [pid 5044] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5044] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 65.495502][ T5044] loop0: detected capacity change from 0 to 14901 [ 65.504559][ T5044] jfs_mount: diMount failed w/rc = -5 [ 65.510149][ T5044] Mount JFS Failure: -5 [ 65.514369][ T5044] jfs_mount failed w/return code = -5 [pid 5044] ioctl(4, LOOP_CLR_FD) = 0 [pid 5044] close(4) = 0 [pid 5044] exit_group(0) = ? [pid 5044] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5044, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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./strace-static-x86_64: Process 5045 attached , child_tidptr=0x555555b845d0) = 5045 [pid 5045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5045] setpgid(0, 0) = 0 [pid 5045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5045] write(3, "1000", 4) = 4 [pid 5045] close(3) = 0 [pid 5045] memfd_create("syzkaller", 0) = 3 [pid 5045] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5045] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5045] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5045] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5045] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5045] close(3) = 0 [pid 5045] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5045] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 65.686612][ T5045] loop0: detected capacity change from 0 to 14901 [ 65.697360][ T5045] jfs_mount: diMount failed w/rc = -5 [ 65.703213][ T5045] Mount JFS Failure: -5 [ 65.707408][ T5045] jfs_mount failed w/return code = -5 [pid 5045] ioctl(4, LOOP_CLR_FD) = 0 [pid 5045] close(4) = 0 [pid 5045] exit_group(0) = ? [pid 5045] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5045, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- 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=0x555555b845d0) = 5046 ./strace-static-x86_64: Process 5046 attached [pid 5046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5046] setpgid(0, 0) = 0 [pid 5046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5046] write(3, "1000", 4) = 4 [pid 5046] close(3) = 0 [pid 5046] memfd_create("syzkaller", 0) = 3 [pid 5046] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5046] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5046] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5046] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5046] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5046] close(3) = 0 [pid 5046] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5046] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 65.924552][ T5046] loop0: detected capacity change from 0 to 14901 [ 65.934916][ T5046] jfs_mount: diMount failed w/rc = -5 [ 65.940768][ T5046] Mount JFS Failure: -5 [ 65.945351][ T5046] jfs_mount failed w/return code = -5 [pid 5046] ioctl(4, LOOP_CLR_FD) = 0 [pid 5046] close(4) = 0 [pid 5046] exit_group(0) = ? [pid 5046] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5046, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- 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=0x555555b845d0) = 5047 ./strace-static-x86_64: Process 5047 attached [pid 5047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5047] setpgid(0, 0) = 0 [pid 5047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5047] write(3, "1000", 4) = 4 [pid 5047] close(3) = 0 [pid 5047] memfd_create("syzkaller", 0) = 3 [pid 5047] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5047] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5047] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5047] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5047] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5047] close(3) = 0 [pid 5047] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5047] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 66.146526][ T5047] loop0: detected capacity change from 0 to 14901 [ 66.157865][ T5047] jfs_mount: diMount failed w/rc = -5 [ 66.164077][ T5047] Mount JFS Failure: -5 [ 66.168247][ T5047] jfs_mount failed w/return code = -5 [pid 5047] ioctl(4, LOOP_CLR_FD) = 0 [pid 5047] close(4) = 0 [pid 5047] exit_group(0) = ? [pid 5047] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5047, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5048 ./strace-static-x86_64: Process 5048 attached [pid 5048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5048] setpgid(0, 0) = 0 [pid 5048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5048] write(3, "1000", 4) = 4 [pid 5048] close(3) = 0 [pid 5048] memfd_create("syzkaller", 0) = 3 [pid 5048] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5048] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5048] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5048] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5048] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5048] close(3) = 0 [pid 5048] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5048] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 66.371382][ T5048] loop0: detected capacity change from 0 to 14901 [ 66.382852][ T5048] jfs_mount: diMount failed w/rc = -5 [ 66.388441][ T5048] Mount JFS Failure: -5 [ 66.392831][ T5048] jfs_mount failed w/return code = -5 [pid 5048] ioctl(4, LOOP_CLR_FD) = 0 [pid 5048] close(4) = 0 [pid 5048] exit_group(0) = ? [pid 5048] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5048, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5049 ./strace-static-x86_64: Process 5049 attached [pid 5049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5049] setpgid(0, 0) = 0 [pid 5049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5049] write(3, "1000", 4) = 4 [pid 5049] close(3) = 0 [pid 5049] memfd_create("syzkaller", 0) = 3 [pid 5049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5049] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5049] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5049] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5049] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5049] close(3) = 0 [pid 5049] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5049] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 66.582786][ T5049] loop0: detected capacity change from 0 to 14901 [ 66.594521][ T5049] jfs_mount: diMount failed w/rc = -5 [ 66.600249][ T5049] Mount JFS Failure: -5 [ 66.604546][ T5049] jfs_mount failed w/return code = -5 [pid 5049] ioctl(4, LOOP_CLR_FD) = 0 [pid 5049] close(4) = 0 [pid 5049] exit_group(0) = ? [pid 5049] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5049, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5050 ./strace-static-x86_64: Process 5050 attached [pid 5050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5050] setpgid(0, 0) = 0 [pid 5050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5050] write(3, "1000", 4) = 4 [pid 5050] close(3) = 0 [pid 5050] memfd_create("syzkaller", 0) = 3 [pid 5050] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5050] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5050] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5050] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5050] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5050] close(3) = 0 [pid 5050] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5050] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 66.793396][ T5050] loop0: detected capacity change from 0 to 14901 [ 66.803665][ T5050] jfs_mount: diMount failed w/rc = -5 [ 66.809575][ T5050] Mount JFS Failure: -5 [ 66.813880][ T5050] jfs_mount failed w/return code = -5 [pid 5050] ioctl(4, LOOP_CLR_FD) = 0 [pid 5050] close(4) = 0 [pid 5050] exit_group(0) = ? [pid 5050] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5050, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5051 ./strace-static-x86_64: Process 5051 attached [pid 5051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5051] setpgid(0, 0) = 0 [pid 5051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5051] write(3, "1000", 4) = 4 [pid 5051] close(3) = 0 [pid 5051] memfd_create("syzkaller", 0) = 3 [pid 5051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5051] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5051] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5051] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5051] close(3) = 0 [pid 5051] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5051] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 67.026683][ T5051] loop0: detected capacity change from 0 to 14901 [ 67.036821][ T5051] jfs_mount: diMount failed w/rc = -5 [ 67.042594][ T5051] Mount JFS Failure: -5 [ 67.046764][ T5051] jfs_mount failed w/return code = -5 [pid 5051] ioctl(4, LOOP_CLR_FD) = 0 [pid 5051] close(4) = 0 [pid 5051] exit_group(0) = ? [pid 5051] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5051, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5052 ./strace-static-x86_64: Process 5052 attached [pid 5052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5052] setpgid(0, 0) = 0 [pid 5052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5052] write(3, "1000", 4) = 4 [pid 5052] close(3) = 0 [pid 5052] memfd_create("syzkaller", 0) = 3 [pid 5052] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5052] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5052] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5052] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5052] close(3) = 0 [pid 5052] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5052] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 67.260722][ T5052] loop0: detected capacity change from 0 to 14901 [ 67.271865][ T5052] jfs_mount: diMount failed w/rc = -5 [ 67.277664][ T5052] Mount JFS Failure: -5 [ 67.281837][ T5052] jfs_mount failed w/return code = -5 [pid 5052] ioctl(4, LOOP_CLR_FD) = 0 [pid 5052] close(4) = 0 [pid 5052] exit_group(0) = ? [pid 5052] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5052, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} --- 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=0x555555b845d0) = 5053 ./strace-static-x86_64: Process 5053 attached [pid 5053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5053] setpgid(0, 0) = 0 [pid 5053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5053] write(3, "1000", 4) = 4 [pid 5053] close(3) = 0 [pid 5053] memfd_create("syzkaller", 0) = 3 [pid 5053] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5053] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5053] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5053] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5053] close(3) = 0 [pid 5053] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5053] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 67.493003][ T5053] loop0: detected capacity change from 0 to 14901 [ 67.503117][ T5053] jfs_mount: diMount failed w/rc = -5 [ 67.508734][ T5053] Mount JFS Failure: -5 [ 67.513333][ T5053] jfs_mount failed w/return code = -5 [pid 5053] ioctl(4, LOOP_CLR_FD) = 0 [pid 5053] close(4) = 0 [pid 5053] exit_group(0) = ? [pid 5053] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5053, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5054 ./strace-static-x86_64: Process 5054 attached [pid 5054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5054] setpgid(0, 0) = 0 [pid 5054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5054] write(3, "1000", 4) = 4 [pid 5054] close(3) = 0 [pid 5054] memfd_create("syzkaller", 0) = 3 [pid 5054] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5054] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5054] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5054] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5054] close(3) = 0 [pid 5054] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5054] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 67.726478][ T5054] loop0: detected capacity change from 0 to 14901 [ 67.737044][ T5054] jfs_mount: diMount failed w/rc = -5 [ 67.742941][ T5054] Mount JFS Failure: -5 [ 67.747103][ T5054] jfs_mount failed w/return code = -5 [pid 5054] ioctl(4, LOOP_CLR_FD) = 0 [pid 5054] close(4) = 0 [pid 5054] exit_group(0) = ? [pid 5054] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5054, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5055 ./strace-static-x86_64: Process 5055 attached [pid 5055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5055] setpgid(0, 0) = 0 [pid 5055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5055] write(3, "1000", 4) = 4 [pid 5055] close(3) = 0 [pid 5055] memfd_create("syzkaller", 0) = 3 [pid 5055] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5055] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5055] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5055] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5055] close(3) = 0 [pid 5055] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5055] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 67.956511][ T5055] loop0: detected capacity change from 0 to 14901 [ 67.968105][ T5055] jfs_mount: diMount failed w/rc = -5 [ 67.973769][ T5055] Mount JFS Failure: -5 [ 67.977944][ T5055] jfs_mount failed w/return code = -5 [pid 5055] ioctl(4, LOOP_CLR_FD) = 0 [pid 5055] close(4) = 0 [pid 5055] exit_group(0) = ? [pid 5055] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5055, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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./strace-static-x86_64: Process 5056 attached , child_tidptr=0x555555b845d0) = 5056 [pid 5056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5056] setpgid(0, 0) = 0 [pid 5056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "1000", 4) = 4 [pid 5056] close(3) = 0 [pid 5056] memfd_create("syzkaller", 0) = 3 [pid 5056] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5056] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5056] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5056] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5056] close(3) = 0 [pid 5056] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5056] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 68.182188][ T5056] loop0: detected capacity change from 0 to 14901 [ 68.191793][ T5056] jfs_mount: diMount failed w/rc = -5 [ 68.197575][ T5056] Mount JFS Failure: -5 [ 68.201754][ T5056] jfs_mount failed w/return code = -5 [pid 5056] ioctl(4, LOOP_CLR_FD) = 0 [pid 5056] close(4) = 0 [pid 5056] exit_group(0) = ? [pid 5056] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5056, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5057 ./strace-static-x86_64: Process 5057 attached [pid 5057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5057] setpgid(0, 0) = 0 [pid 5057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] write(3, "1000", 4) = 4 [pid 5057] close(3) = 0 [pid 5057] memfd_create("syzkaller", 0) = 3 [pid 5057] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5057] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5057] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5057] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5057] close(3) = 0 [pid 5057] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5057] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 68.399498][ T5057] loop0: detected capacity change from 0 to 14901 [ 68.409590][ T5057] jfs_mount: diMount failed w/rc = -5 [ 68.415407][ T5057] Mount JFS Failure: -5 [ 68.419605][ T5057] jfs_mount failed w/return code = -5 [pid 5057] ioctl(4, LOOP_CLR_FD) = 0 [pid 5057] close(4) = 0 [pid 5057] exit_group(0) = ? [pid 5057] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5057, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5058 ./strace-static-x86_64: Process 5058 attached [pid 5058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5058] setpgid(0, 0) = 0 [pid 5058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5058] write(3, "1000", 4) = 4 [pid 5058] close(3) = 0 [pid 5058] memfd_create("syzkaller", 0) = 3 [pid 5058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5058] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5058] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5058] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5058] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5058] close(3) = 0 [pid 5058] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5058] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 68.602439][ T5058] loop0: detected capacity change from 0 to 14901 [ 68.612084][ T5058] jfs_mount: diMount failed w/rc = -5 [ 68.617678][ T5058] Mount JFS Failure: -5 [ 68.621819][ T5058] jfs_mount failed w/return code = -5 [pid 5058] ioctl(4, LOOP_CLR_FD) = 0 [pid 5058] close(4) = 0 [pid 5058] exit_group(0) = ? [pid 5058] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5058, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- 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=0x555555b845d0) = 5059 ./strace-static-x86_64: Process 5059 attached [pid 5059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5059] setpgid(0, 0) = 0 [pid 5059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1000", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] memfd_create("syzkaller", 0) = 3 [pid 5059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5059] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5059] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5059] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5059] close(3) = 0 [pid 5059] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5059] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 68.821141][ T5059] loop0: detected capacity change from 0 to 14901 [ 68.831128][ T5059] jfs_mount: diMount failed w/rc = -5 [ 68.836939][ T5059] Mount JFS Failure: -5 [ 68.841164][ T5059] jfs_mount failed w/return code = -5 [pid 5059] ioctl(4, LOOP_CLR_FD) = 0 [pid 5059] close(4) = 0 [pid 5059] exit_group(0) = ? [pid 5059] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5059, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5060 ./strace-static-x86_64: Process 5060 attached [pid 5060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5060] setpgid(0, 0) = 0 [pid 5060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1000", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] memfd_create("syzkaller", 0) = 3 [pid 5060] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5060] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5060] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5060] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5060] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5060] close(3) = 0 [pid 5060] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5060] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 69.034193][ T5060] loop0: detected capacity change from 0 to 14901 [ 69.044233][ T5060] jfs_mount: diMount failed w/rc = -5 [ 69.049898][ T5060] Mount JFS Failure: -5 [ 69.054126][ T5060] jfs_mount failed w/return code = -5 [pid 5060] ioctl(4, LOOP_CLR_FD) = 0 [pid 5060] close(4) = 0 [pid 5060] exit_group(0) = ? [pid 5060] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5060, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- 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./strace-static-x86_64: Process 5061 attached , child_tidptr=0x555555b845d0) = 5061 [pid 5061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5061] setpgid(0, 0) = 0 [pid 5061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "1000", 4) = 4 [pid 5061] close(3) = 0 [pid 5061] memfd_create("syzkaller", 0) = 3 [pid 5061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5061] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5061] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5061] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5061] close(3) = 0 [pid 5061] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5061] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 69.257397][ T5061] loop0: detected capacity change from 0 to 14901 [ 69.268827][ T5061] jfs_mount: diMount failed w/rc = -5 [ 69.274456][ T5061] Mount JFS Failure: -5 [ 69.278608][ T5061] jfs_mount failed w/return code = -5 [pid 5061] ioctl(4, LOOP_CLR_FD) = 0 [pid 5061] close(4) = 0 [pid 5061] exit_group(0) = ? [pid 5061] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5061, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5062 ./strace-static-x86_64: Process 5062 attached [pid 5062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5062] setpgid(0, 0) = 0 [pid 5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "1000", 4) = 4 [pid 5062] close(3) = 0 [pid 5062] memfd_create("syzkaller", 0) = 3 [pid 5062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5062] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5062] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5062] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5062] close(3) = 0 [pid 5062] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5062] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 69.481898][ T5062] loop0: detected capacity change from 0 to 14901 [ 69.493424][ T5062] jfs_mount: diMount failed w/rc = -5 [ 69.499310][ T5062] Mount JFS Failure: -5 [ 69.503612][ T5062] jfs_mount failed w/return code = -5 [pid 5062] ioctl(4, LOOP_CLR_FD) = 0 [pid 5062] close(4) = 0 [pid 5062] exit_group(0) = ? [pid 5062] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5062, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5063 ./strace-static-x86_64: Process 5063 attached [pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5063] setpgid(0, 0) = 0 [pid 5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "1000", 4) = 4 [pid 5063] close(3) = 0 [pid 5063] memfd_create("syzkaller", 0) = 3 [pid 5063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5063] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5063] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5063] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5063] close(3) = 0 [pid 5063] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5063] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 69.698765][ T5063] loop0: detected capacity change from 0 to 14901 [ 69.711158][ T5063] jfs_mount: diMount failed w/rc = -5 [ 69.716993][ T5063] Mount JFS Failure: -5 [ 69.721225][ T5063] jfs_mount failed w/return code = -5 [pid 5063] ioctl(4, LOOP_CLR_FD) = 0 [pid 5063] close(4) = 0 [pid 5063] exit_group(0) = ? [pid 5063] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5063, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- 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=0x555555b845d0) = 5064 ./strace-static-x86_64: Process 5064 attached [pid 5064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5064] setpgid(0, 0) = 0 [pid 5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5064] write(3, "1000", 4) = 4 [pid 5064] close(3) = 0 [pid 5064] memfd_create("syzkaller", 0) = 3 [pid 5064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5064] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5064] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5064] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5064] close(3) = 0 [pid 5064] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5064] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 69.920103][ T5064] loop0: detected capacity change from 0 to 14901 [ 69.931305][ T5064] jfs_mount: diMount failed w/rc = -5 [ 69.937081][ T5064] Mount JFS Failure: -5 [ 69.941265][ T5064] jfs_mount failed w/return code = -5 [pid 5064] ioctl(4, LOOP_CLR_FD) = 0 [pid 5064] close(4) = 0 [pid 5064] exit_group(0) = ? [pid 5064] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5064, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5065 ./strace-static-x86_64: Process 5065 attached [pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5065] setpgid(0, 0) = 0 [pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5065] write(3, "1000", 4) = 4 [pid 5065] close(3) = 0 [pid 5065] memfd_create("syzkaller", 0) = 3 [pid 5065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5065] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5065] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5065] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5065] close(3) = 0 [pid 5065] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5065] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 70.135123][ T5065] loop0: detected capacity change from 0 to 14901 [ 70.145910][ T5065] jfs_mount: diMount failed w/rc = -5 [ 70.151628][ T5065] Mount JFS Failure: -5 [ 70.155906][ T5065] jfs_mount failed w/return code = -5 [pid 5065] ioctl(4, LOOP_CLR_FD) = 0 [pid 5065] close(4) = 0 [pid 5065] exit_group(0) = ? [pid 5065] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5065, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5066 ./strace-static-x86_64: Process 5066 attached [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5066] setpgid(0, 0) = 0 [pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1000", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] memfd_create("syzkaller", 0) = 3 [pid 5066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5066] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5066] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5066] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5066] close(3) = 0 [pid 5066] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5066] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 70.349579][ T5066] loop0: detected capacity change from 0 to 14901 [ 70.359693][ T5066] jfs_mount: diMount failed w/rc = -5 [ 70.365513][ T5066] Mount JFS Failure: -5 [ 70.369686][ T5066] jfs_mount failed w/return code = -5 [pid 5066] ioctl(4, LOOP_CLR_FD) = 0 [pid 5066] close(4) = 0 [pid 5066] exit_group(0) = ? [pid 5066] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5066, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- 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=0x555555b845d0) = 5067 ./strace-static-x86_64: Process 5067 attached [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5067] setpgid(0, 0) = 0 [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1000", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] memfd_create("syzkaller", 0) = 3 [pid 5067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5067] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5067] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5067] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5067] close(3) = 0 [pid 5067] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5067] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 70.549053][ T5067] loop0: detected capacity change from 0 to 14901 [ 70.558838][ T5067] jfs_mount: diMount failed w/rc = -5 [ 70.564594][ T5067] Mount JFS Failure: -5 [ 70.568778][ T5067] jfs_mount failed w/return code = -5 [pid 5067] ioctl(4, LOOP_CLR_FD) = 0 [pid 5067] close(4) = 0 [pid 5067] exit_group(0) = ? [pid 5067] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=6 /* 0.06 s */} --- 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=0x555555b845d0) = 5068 ./strace-static-x86_64: Process 5068 attached [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5068] setpgid(0, 0) = 0 [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1000", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] memfd_create("syzkaller", 0) = 3 [pid 5068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5068] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5068] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5068] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5068] close(3) = 0 [pid 5068] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5068] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 70.750774][ T5068] loop0: detected capacity change from 0 to 14901 [ 70.760582][ T5068] jfs_mount: diMount failed w/rc = -5 [ 70.766516][ T5068] Mount JFS Failure: -5 [ 70.770733][ T5068] jfs_mount failed w/return code = -5 [pid 5068] ioctl(4, LOOP_CLR_FD) = 0 [pid 5068] close(4) = 0 [pid 5068] exit_group(0) = ? [pid 5068] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5068, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5069 ./strace-static-x86_64: Process 5069 attached [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] setpgid(0, 0) = 0 [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "1000", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] memfd_create("syzkaller", 0) = 3 [pid 5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5069] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5069] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5069] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5069] close(3) = 0 [pid 5069] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5069] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 70.964149][ T5069] loop0: detected capacity change from 0 to 14901 [ 70.975006][ T5069] jfs_mount: diMount failed w/rc = -5 [ 70.980656][ T5069] Mount JFS Failure: -5 [ 70.984925][ T5069] jfs_mount failed w/return code = -5 [pid 5069] ioctl(4, LOOP_CLR_FD) = 0 [pid 5069] close(4) = 0 [pid 5069] exit_group(0) = ? [pid 5069] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5070 ./strace-static-x86_64: Process 5070 attached [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] setpgid(0, 0) = 0 [pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1000", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] memfd_create("syzkaller", 0) = 3 [pid 5070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5070] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5070] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5070] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5070] close(3) = 0 [pid 5070] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5070] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 71.176087][ T5070] loop0: detected capacity change from 0 to 14901 [ 71.185970][ T5070] jfs_mount: diMount failed w/rc = -5 [ 71.191569][ T5070] Mount JFS Failure: -5 [ 71.196383][ T5070] jfs_mount failed w/return code = -5 [pid 5070] ioctl(4, LOOP_CLR_FD) = 0 [pid 5070] close(4) = 0 [pid 5070] exit_group(0) = ? [pid 5070] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5070, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- 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=0x555555b845d0) = 5071 ./strace-static-x86_64: Process 5071 attached [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] setpgid(0, 0) = 0 [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1000", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] memfd_create("syzkaller", 0) = 3 [pid 5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5071] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5071] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5071] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5071] close(3) = 0 [pid 5071] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5071] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 71.389514][ T5071] loop0: detected capacity change from 0 to 14901 [ 71.399575][ T5071] jfs_mount: diMount failed w/rc = -5 [ 71.405932][ T5071] Mount JFS Failure: -5 [ 71.410136][ T5071] jfs_mount failed w/return code = -5 [pid 5071] ioctl(4, LOOP_CLR_FD) = 0 [pid 5071] close(4) = 0 [pid 5071] exit_group(0) = ? [pid 5071] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5072 ./strace-static-x86_64: Process 5072 attached [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5072] setpgid(0, 0) = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1000", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] memfd_create("syzkaller", 0) = 3 [pid 5072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5072] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5072] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5072] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5072] close(3) = 0 [pid 5072] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5072] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 71.606430][ T5072] loop0: detected capacity change from 0 to 14901 [ 71.616888][ T5072] jfs_mount: diMount failed w/rc = -5 [ 71.622675][ T5072] Mount JFS Failure: -5 [ 71.626844][ T5072] jfs_mount failed w/return code = -5 [pid 5072] ioctl(4, LOOP_CLR_FD) = 0 [pid 5072] close(4) = 0 [pid 5072] exit_group(0) = ? [pid 5072] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- 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=0x555555b845d0) = 5073 ./strace-static-x86_64: Process 5073 attached [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5073] setpgid(0, 0) = 0 [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] write(3, "1000", 4) = 4 [pid 5073] close(3) = 0 [pid 5073] memfd_create("syzkaller", 0) = 3 [pid 5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5073] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5073] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5073] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5073] close(3) = 0 [pid 5073] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5073] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 71.814036][ T5073] loop0: detected capacity change from 0 to 14901 [ 71.824284][ T5073] jfs_mount: diMount failed w/rc = -5 [ 71.829916][ T5073] Mount JFS Failure: -5 [ 71.834423][ T5073] jfs_mount failed w/return code = -5 [pid 5073] ioctl(4, LOOP_CLR_FD) = 0 [pid 5073] close(4) = 0 [pid 5073] exit_group(0) = ? [pid 5073] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5074 ./strace-static-x86_64: Process 5074 attached [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5074] setpgid(0, 0) = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] write(3, "1000", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] memfd_create("syzkaller", 0) = 3 [pid 5074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5074] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5074] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5074] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5074] close(3) = 0 [pid 5074] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5074] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 72.037132][ T5074] loop0: detected capacity change from 0 to 14901 [ 72.047421][ T5074] jfs_mount: diMount failed w/rc = -5 [ 72.053697][ T5074] Mount JFS Failure: -5 [ 72.058145][ T5074] jfs_mount failed w/return code = -5 [pid 5074] ioctl(4, LOOP_CLR_FD) = 0 [pid 5074] close(4) = 0 [pid 5074] exit_group(0) = ? [pid 5074] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5075 ./strace-static-x86_64: Process 5075 attached [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5075] setpgid(0, 0) = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "1000", 4) = 4 [pid 5075] close(3) = 0 [pid 5075] memfd_create("syzkaller", 0) = 3 [pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5075] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5075] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5075] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5075] close(3) = 0 [pid 5075] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5075] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 72.252414][ T5075] loop0: detected capacity change from 0 to 14901 [ 72.263736][ T5075] jfs_mount: diMount failed w/rc = -5 [ 72.269614][ T5075] Mount JFS Failure: -5 [ 72.273902][ T5075] jfs_mount failed w/return code = -5 [pid 5075] ioctl(4, LOOP_CLR_FD) = 0 [pid 5075] close(4) = 0 [pid 5075] exit_group(0) = ? [pid 5075] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5076 ./strace-static-x86_64: Process 5076 attached [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5076] setpgid(0, 0) = 0 [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5076] write(3, "1000", 4) = 4 [pid 5076] close(3) = 0 [pid 5076] memfd_create("syzkaller", 0) = 3 [pid 5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5076] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5076] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5076] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5076] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5076] close(3) = 0 [pid 5076] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5076] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC, "") = -1 EINVAL (Invalid argument) [ 72.477512][ T5076] loop0: detected capacity change from 0 to 14901 [ 72.487119][ T5076] jfs_mount: diMount failed w/rc = -5 [ 72.492885][ T5076] Mount JFS Failure: -5 [ 72.497042][ T5076] jfs_mount failed w/return code = -5 [pid 5076] ioctl(4, LOOP_CLR_FD) = 0 [pid 5076] close(4) = 0 [pid 5076] exit_group(0) = ? [pid 5076] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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=0x555555b845d0) = 5077 ./strace-static-x86_64: Process 5077 attached [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5077] setpgid(0, 0) = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1000", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] memfd_create("syzkaller", 0) = 3 [pid 5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd98f63000 [pid 5077] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 7629503) = 7629503 [pid 5077] munmap(0x7fbd98f63000, 7629503) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5077] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5077] close(3) = 0 [pid 5077] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 72.685806][ T5077] loop0: detected capacity change from 0 to 14901 [ 72.695491][ T5077] jfs_mount: diMount failed w/rc = -5 [ 72.701012][ T5077] ================================================================== [ 72.709065][ T5077] BUG: KASAN: slab-use-after-free in diFree+0x19eb/0x26b0 [ 72.716188][ T5077] Read of size 4 at addr ffff888076d18004 by task syz-executor256/5077 [ 72.724411][ T5077] [ 72.726731][ T5077] CPU: 0 PID: 5077 Comm: syz-executor256 Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [ 72.736614][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 72.746925][ T5077] Call Trace: [ 72.750195][ T5077] [ 72.753122][ T5077] dump_stack_lvl+0xd9/0x150 [ 72.757835][ T5077] print_address_description.constprop.0+0x2c/0x3c0 [ 72.764415][ T5077] ? diFree+0x19eb/0x26b0 [ 72.768737][ T5077] kasan_report+0x11c/0x130 [ 72.773240][ T5077] ? diFree+0x19eb/0x26b0 [ 72.777571][ T5077] diFree+0x19eb/0x26b0 [ 72.781751][ T5077] ? truncate_inode_partial_folio+0x750/0x750 [ 72.787820][ T5077] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 72.793809][ T5077] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 72.799816][ T5077] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 72.805791][ T5077] ? truncate_inode_pages_range+0x622/0xf10 [ 72.811697][ T5077] ? diWrite+0x1590/0x1590 [ 72.816101][ T5077] ? __dquot_initialize+0x295/0xbe0 [ 72.821299][ T5077] ? find_held_lock+0x2d/0x110 [ 72.826085][ T5077] ? dquot_get_next_dqblk+0x180/0x180 [ 72.831467][ T5077] ? lock_downgrade+0x690/0x690 [ 72.836313][ T5077] ? cpuacct_css_alloc+0x160/0x160 [ 72.841422][ T5077] ? lock_acquire+0x32/0xc0 [ 72.845924][ T5077] jfs_evict_inode+0x3de/0x4c0 [ 72.850689][ T5077] ? jfs_write_inode+0x240/0x240 [ 72.855639][ T5077] evict+0x2ed/0x6b0 [ 72.859538][ T5077] iput+0x4a7/0x7a0 [ 72.863343][ T5077] diFreeSpecial+0x7b/0x110 [ 72.867840][ T5077] jfs_mount+0x481/0x8b0 [ 72.872075][ T5077] jfs_fill_super+0x5a8/0xd40 [ 72.876744][ T5077] ? jfs_remount+0x660/0x660 [ 72.881322][ T5077] ? set_blocksize+0x2d8/0x370 [ 72.886092][ T5077] mount_bdev+0x357/0x420 [ 72.890526][ T5077] ? jfs_remount+0x660/0x660 [ 72.895105][ T5077] ? jfs_get_dquots+0x20/0x20 [ 72.899856][ T5077] legacy_get_tree+0x109/0x220 [ 72.904618][ T5077] vfs_get_tree+0x8d/0x350 [ 72.909038][ T5077] path_mount+0x134b/0x1e40 [ 72.913557][ T5077] ? kmem_cache_free+0xe9/0x480 [ 72.918406][ T5077] ? finish_automount+0x9b0/0x9b0 [ 72.923448][ T5077] ? putname+0x102/0x140 [ 72.927681][ T5077] __x64_sys_mount+0x283/0x300 [ 72.932437][ T5077] ? copy_mnt_ns+0xb30/0xb30 [ 72.937023][ T5077] ? lockdep_hardirqs_on+0x7d/0x100 [ 72.942214][ T5077] ? _raw_spin_unlock_irq+0x2e/0x50 [ 72.947405][ T5077] ? ptrace_notify+0xfe/0x140 [ 72.952073][ T5077] do_syscall_64+0x39/0xb0 [ 72.956497][ T5077] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 72.962412][ T5077] RIP: 0033:0x7fbda13b15ea [ 72.966815][ T5077] Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 72.986431][ T5077] RSP: 002b:00007fff080b2908 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 72.994856][ T5077] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbda13b15ea [ 73.002816][ T5077] RDX: 0000000020005d00 RSI: 0000000020000040 RDI: 00007fff080b2920 [ 73.010783][ T5077] RBP: 00007fff080b2920 R08: 00007fff080b2960 R09: 0000000000000002 [ 73.018775][ T5077] R10: 0000000000000080 R11: 0000000000000282 R12: 0000000000000004 [ 73.026752][ T5077] R13: 0000555555b842c0 R14: 0000000000000080 R15: 00007fff080b2960 [ 73.034723][ T5077] [ 73.037742][ T5077] [ 73.040052][ T5077] Allocated by task 5016: [ 73.044366][ T5077] kasan_save_stack+0x22/0x40 [ 73.049047][ T5077] kasan_set_track+0x25/0x30 [ 73.053653][ T5077] __kasan_kmalloc+0xa2/0xb0 [ 73.058242][ T5077] __kmalloc+0x5e/0x190 [ 73.062391][ T5077] tomoyo_realpath_from_path+0xc3/0x600 [ 73.067934][ T5077] tomoyo_check_open_permission+0x29a/0x3a0 [ 73.073839][ T5077] tomoyo_file_open+0xa1/0xc0 [ 73.078503][ T5077] security_file_open+0x49/0xb0 [ 73.083343][ T5077] do_dentry_open+0x575/0x13f0 [ 73.088107][ T5077] path_openat+0x1baa/0x2750 [ 73.092692][ T5077] do_filp_open+0x1ba/0x410 [ 73.097196][ T5077] do_sys_openat2+0x16d/0x4c0 [ 73.101867][ T5077] __x64_sys_openat+0x143/0x1f0 [ 73.106727][ T5077] do_syscall_64+0x39/0xb0 [ 73.111143][ T5077] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 73.117055][ T5077] [ 73.119395][ T5077] Freed by task 5016: [ 73.123368][ T5077] kasan_save_stack+0x22/0x40 [ 73.128053][ T5077] kasan_set_track+0x25/0x30 [ 73.132657][ T5077] kasan_save_free_info+0x2e/0x40 [ 73.137682][ T5077] ____kasan_slab_free+0x160/0x1c0 [ 73.142802][ T5077] slab_free_freelist_hook+0x8b/0x1c0 [ 73.148173][ T5077] __kmem_cache_free+0xaf/0x2d0 [ 73.153014][ T5077] tomoyo_realpath_from_path+0x190/0x600 [ 73.158638][ T5077] tomoyo_check_open_permission+0x29a/0x3a0 [ 73.164523][ T5077] tomoyo_file_open+0xa1/0xc0 [ 73.169192][ T5077] security_file_open+0x49/0xb0 [ 73.174034][ T5077] do_dentry_open+0x575/0x13f0 [ 73.178798][ T5077] path_openat+0x1baa/0x2750 [ 73.183383][ T5077] do_filp_open+0x1ba/0x410 [ 73.187900][ T5077] do_sys_openat2+0x16d/0x4c0 [ 73.192584][ T5077] __x64_sys_openat+0x143/0x1f0 [ 73.197431][ T5077] do_syscall_64+0x39/0xb0 [ 73.201876][ T5077] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 73.207766][ T5077] [ 73.210075][ T5077] The buggy address belongs to the object at ffff888076d18000 [ 73.210075][ T5077] which belongs to the cache kmalloc-4k of size 4096 [ 73.224116][ T5077] The buggy address is located 4 bytes inside of [ 73.224116][ T5077] freed 4096-byte region [ffff888076d18000, ffff888076d19000) [ 73.237820][ T5077] [ 73.240135][ T5077] The buggy address belongs to the physical page: [ 73.246538][ T5077] page:ffffea0001db4600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x76d18 [ 73.256679][ T5077] head:ffffea0001db4600 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 73.265599][ T5077] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 73.273572][ T5077] page_type: 0xffffffff() [ 73.277933][ T5077] raw: 00fff00000010200 ffff888012442140 dead000000000122 0000000000000000 [ 73.286514][ T5077] raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000 [ 73.295093][ T5077] page dumped because: kasan: bad access detected [ 73.301508][ T5077] page_owner tracks the page as allocated [ 73.307211][ T5077] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5016, tgid 5016 (syz-executor256), ts 59377023797, free_ts 59256912141 [ 73.328156][ T5077] post_alloc_hook+0x2db/0x350 [ 73.332918][ T5077] get_page_from_freelist+0xf67/0x2a80 [ 73.338370][ T5077] __alloc_pages+0x1cb/0x4a0 [ 73.342953][ T5077] alloc_pages+0x1aa/0x270 [ 73.347361][ T5077] allocate_slab+0x28e/0x380 [ 73.351968][ T5077] ___slab_alloc+0xa91/0x1400 [ 73.356655][ T5077] __slab_alloc.constprop.0+0x56/0xa0 [ 73.362031][ T5077] __kmem_cache_alloc_node+0x136/0x320 [ 73.367485][ T5077] __kmalloc+0x4e/0x190 [ 73.371636][ T5077] tomoyo_realpath_from_path+0xc3/0x600 [ 73.377265][ T5077] tomoyo_check_open_permission+0x29a/0x3a0 [ 73.383151][ T5077] tomoyo_file_open+0xa1/0xc0 [ 73.387822][ T5077] security_file_open+0x49/0xb0 [ 73.392664][ T5077] do_dentry_open+0x575/0x13f0 [ 73.397526][ T5077] path_openat+0x1baa/0x2750 [ 73.402124][ T5077] do_filp_open+0x1ba/0x410 [ 73.406904][ T5077] page last free stack trace: [ 73.411584][ T5077] free_unref_page_prepare+0x4dd/0xb90 [ 73.417115][ T5077] free_unref_page+0x33/0x370 [ 73.421836][ T5077] diUnmount+0xf1/0x130 [ 73.426650][ T5077] jfs_mount+0x454/0x8b0 [ 73.430990][ T5077] jfs_fill_super+0x5a8/0xd40 [ 73.435668][ T5077] mount_bdev+0x357/0x420 [ 73.440012][ T5077] legacy_get_tree+0x109/0x220 [ 73.444819][ T5077] vfs_get_tree+0x8d/0x350 [ 73.449258][ T5077] path_mount+0x134b/0x1e40 [ 73.453793][ T5077] __x64_sys_mount+0x283/0x300 [ 73.458570][ T5077] do_syscall_64+0x39/0xb0 [ 73.462996][ T5077] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 73.468893][ T5077] [ 73.471240][ T5077] Memory state around the buggy address: [ 73.476871][ T5077] ffff888076d17f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 73.484960][ T5077] ffff888076d17f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 73.493048][ T5077] >ffff888076d18000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 73.501117][ T5077] ^ [ 73.505200][ T5077] ffff888076d18080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 73.513354][ T5077] ffff888076d18100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 73.521425][ T5077] ================================================================== [ 73.529870][ T5077] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 73.537092][ T5077] CPU: 0 PID: 5077 Comm: syz-executor256 Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [ 73.547002][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 73.557068][ T5077] Call Trace: [ 73.560353][ T5077] [ 73.563287][ T5077] dump_stack_lvl+0xd9/0x150 [ 73.567894][ T5077] panic+0x686/0x730 [ 73.571800][ T5077] ? panic_smp_self_stop+0xa0/0xa0 [ 73.576929][ T5077] ? preempt_schedule_thunk+0x1a/0x20 [ 73.582311][ T5077] ? preempt_schedule_common+0x45/0xb0 [ 73.587776][ T5077] check_panic_on_warn+0xb1/0xc0 [ 73.592726][ T5077] end_report+0xe9/0x120 [ 73.597150][ T5077] ? diFree+0x19eb/0x26b0 [ 73.601479][ T5077] kasan_report+0xf9/0x130 [ 73.605895][ T5077] ? diFree+0x19eb/0x26b0 [ 73.610229][ T5077] diFree+0x19eb/0x26b0 [ 73.614398][ T5077] ? truncate_inode_partial_folio+0x750/0x750 [ 73.620574][ T5077] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 73.626564][ T5077] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 73.632557][ T5077] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 73.638550][ T5077] ? truncate_inode_pages_range+0x622/0xf10 [ 73.644455][ T5077] ? diWrite+0x1590/0x1590 [ 73.648871][ T5077] ? __dquot_initialize+0x295/0xbe0 [ 73.654094][ T5077] ? find_held_lock+0x2d/0x110 [ 73.658868][ T5077] ? dquot_get_next_dqblk+0x180/0x180 [ 73.664251][ T5077] ? lock_downgrade+0x690/0x690 [ 73.669108][ T5077] ? cpuacct_css_alloc+0x160/0x160 [ 73.674234][ T5077] ? lock_acquire+0x32/0xc0 [ 73.678746][ T5077] jfs_evict_inode+0x3de/0x4c0 [ 73.683511][ T5077] ? jfs_write_inode+0x240/0x240 [ 73.688450][ T5077] evict+0x2ed/0x6b0 [ 73.692355][ T5077] iput+0x4a7/0x7a0 [ 73.696175][ T5077] diFreeSpecial+0x7b/0x110 [ 73.700679][ T5077] jfs_mount+0x481/0x8b0 [ 73.705011][ T5077] jfs_fill_super+0x5a8/0xd40 [ 73.709686][ T5077] ? jfs_remount+0x660/0x660 [ 73.714275][ T5077] ? set_blocksize+0x2d8/0x370 [ 73.719078][ T5077] mount_bdev+0x357/0x420 [ 73.723421][ T5077] ? jfs_remount+0x660/0x660 [ 73.728010][ T5077] ? jfs_get_dquots+0x20/0x20 [ 73.732689][ T5077] legacy_get_tree+0x109/0x220 [ 73.737484][ T5077] vfs_get_tree+0x8d/0x350 [ 73.742014][ T5077] path_mount+0x134b/0x1e40 [ 73.746551][ T5077] ? kmem_cache_free+0xe9/0x480 [ 73.751405][ T5077] ? finish_automount+0x9b0/0x9b0 [ 73.756526][ T5077] ? putname+0x102/0x140 [ 73.760777][ T5077] __x64_sys_mount+0x283/0x300 [ 73.765551][ T5077] ? copy_mnt_ns+0xb30/0xb30 [ 73.770150][ T5077] ? lockdep_hardirqs_on+0x7d/0x100 [ 73.775350][ T5077] ? _raw_spin_unlock_irq+0x2e/0x50 [ 73.780640][ T5077] ? ptrace_notify+0xfe/0x140 [ 73.785325][ T5077] do_syscall_64+0x39/0xb0 [ 73.789755][ T5077] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 73.795744][ T5077] RIP: 0033:0x7fbda13b15ea [ 73.800169][ T5077] Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 73.819780][ T5077] RSP: 002b:00007fff080b2908 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 73.828222][ T5077] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbda13b15ea [ 73.836189][ T5077] RDX: 0000000020005d00 RSI: 0000000020000040 RDI: 00007fff080b2920 [ 73.844156][ T5077] RBP: 00007fff080b2920 R08: 00007fff080b2960 R09: 0000000000000002 [ 73.852122][ T5077] R10: 0000000000000080 R11: 0000000000000282 R12: 0000000000000004 [ 73.860090][ T5077] R13: 0000555555b842c0 R14: 0000000000000080 R15: 00007fff080b2960 [ 73.868067][ T5077] [ 73.871260][ T5077] Kernel Offset: disabled [ 73.875575][ T5077] Rebooting in 86400 seconds..