./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1975590321 <...> Warning: Permanently added '10.128.0.185' (ECDSA) to the list of known hosts. execve("./syz-executor1975590321", ["./syz-executor1975590321"], 0x7ffc59ab9580 /* 10 vars */) = 0 brk(NULL) = 0x555556c13000 brk(0x555556c13c40) = 0x555556c13c40 arch_prctl(ARCH_SET_FS, 0x555556c13300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1975590321", 4096) = 28 brk(0x555556c34c40) = 0x555556c34c40 brk(0x555556c35000) = 0x555556c35000 mprotect(0x7fcf756bc000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c135d0) = 3607 ./strace-static-x86_64: Process 3607 attached [pid 3607] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3607] setsid() = 1 [pid 3607] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3607] unshare(CLONE_NEWNS) = 0 [pid 3607] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3607] unshare(CLONE_NEWIPC) = 0 [pid 3607] unshare(CLONE_NEWCGROUP) = 0 [pid 3607] unshare(CLONE_NEWUTS) = 0 [pid 3607] unshare(CLONE_SYSVSEM) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "16777216", 8) = 8 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "536870912", 9) = 9 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1024", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "8192", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1024", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1024", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3607] close(3) = 0 [pid 3607] getpid() = 1 [pid 3607] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 46.747858][ T122] dump_stack_lvl+0x1b1/0x28e [ 46.752541][ T122] ? fortify_panic+0x13/0x13 [ 46.757136][ T122] ? vsnprintf+0x1af/0x1ce0 [ 46.761718][ T122] ? panic+0x715/0x715 [ 46.765772][ T122] ? lock_release+0x81/0x820 [ 46.770957][ T122] ? queue_delayed_work_on+0x198/0x210 [ 46.776402][ T122] __ubsan_handle_shift_out_of_bounds+0x33d/0x3b0 [ 46.782809][ T122] dbUpdatePMap+0xdf5/0xef0 [ 46.787305][ T122] txAllocPMap+0x581/0x6c0 [ 46.791711][ T122] txUpdateMap+0x883/0xaa0 [ 46.796117][ T122] ? txCommit+0x6d40/0x6d40 [ 46.800613][ T122] jfs_lazycommit+0x433/0xba0 [ 46.805280][ T122] ? txFreelock+0x580/0x580 [ 46.809769][ T122] ? do_task_dead+0xc0/0xc0 [ 46.814255][ T122] ? _raw_spin_unlock+0x40/0x40 [ 46.819103][ T122] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 46.825071][ T122] ? __kthread_parkme+0x166/0x1c0 [ 46.830081][ T122] kthread+0x266/0x300 [ 46.834136][ T122] ? txFreelock+0x580/0x580 [ 46.838650][ T122] ? kthread_blkcg+0xd0/0xd0 [ 46.843230][ T122] ret_from_fork+0x1f/0x30 [ 46.847640][ T122] [ 46.852361][ T122] ================================================================================ [ 46.861667][ T122] Kernel panic - not syncing: panic_on_warn set ... [ 46.868241][ T122] CPU: 0 PID: 122 Comm: jfsCommit Not tainted 6.0.0-syzkaller-07362-g62e6e5940c0c #0 [ 46.877675][ T122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 46.887706][ T122] Call Trace: [ 46.890965][ T122] [ 46.893884][ T122] dump_stack_lvl+0x1b1/0x28e [ 46.898550][ T122] ? fortify_panic+0x13/0x13 [ 46.903120][ T122] ? panic+0x715/0x715 [ 46.907181][ T122] ? __irq_work_queue_local+0x121/0x180 [ 46.912721][ T122] ? vscnprintf+0x59/0x80 [ 46.917048][ T122] panic+0x2d6/0x715 [ 46.920944][ T122] ? __ubsan_handle_shift_out_of_bounds+0x360/0x3b0 [ 46.927532][ T122] ? fb_is_primary_device+0xcc/0xcc [ 46.932736][ T122] ? panic+0x715/0x715 [ 46.936787][ T122] ? lock_release+0x81/0x820 [ 46.941366][ T122] ? queue_delayed_work_on+0x198/0x210 [ 46.946808][ T122] __ubsan_handle_shift_out_of_bounds+0x3af/0x3b0 [ 46.953226][ T122] dbUpdatePMap+0xdf5/0xef0 [ 46.957721][ T122] txAllocPMap+0x581/0x6c0 [ 46.962134][ T122] txUpdateMap+0x883/0xaa0 [ 46.966556][ T122] ? txCommit+0x6d40/0x6d40 [ 46.971059][ T122] jfs_lazycommit+0x433/0xba0 [ 46.975734][ T122] ? txFreelock+0x580/0x580 [ 46.980227][ T122] ? do_task_dead+0xc0/0xc0 [ 46.984754][ T122] ? _raw_spin_unlock+0x40/0x40 [ 46.989939][ T122] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 46.995908][ T122] ? __kthread_parkme+0x166/0x1c0 [ 47.000919][ T122] kthread+0x266/0x300 [ 47.004978][ T122] ? txFreelock+0x580/0x580 [ 47.009470][ T122] ? kthread_blkcg+0xd0/0xd0 [ 47.014049][ T122] ret_from_fork+0x1f/0x30 [ 47.018456][ T122] [ 47.021687][ T122] Kernel Offset: disabled [ 47.026001][ T122] Rebooting in 86400 seconds..