./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1696664970 <...> Warning: Permanently added '10.128.10.9' (ECDSA) to the list of known hosts. execve("./syz-executor1696664970", ["./syz-executor1696664970"], 0x7ffe30e10690 /* 10 vars */) = 0 brk(NULL) = 0x555555d6d000 brk(0x555555d6dc40) = 0x555555d6dc40 arch_prctl(ARCH_SET_FS, 0x555555d6d300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1696664970", 4096) = 28 brk(0x555555d8ec40) = 0x555555d8ec40 brk(0x555555d8f000) = 0x555555d8f000 mprotect(0x7f095191e000, 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./strace-static-x86_64: Process 3608 attached , child_tidptr=0x555555d6d5d0) = 3608 [pid 3608] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3608] setsid() = 1 [pid 3608] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3608] unshare(CLONE_NEWNS) = 0 [pid 3608] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3608] unshare(CLONE_NEWIPC) = 0 [pid 3608] unshare(CLONE_NEWCGROUP) = 0 [pid 3608] unshare(CLONE_NEWUTS) = 0 [pid 3608] unshare(CLONE_SYSVSEM) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "16777216", 8) = 8 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "536870912", 9) = 9 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "8192", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3608] close(3) = 0 [pid 3608] getpid() = 1 [pid 3608] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 53.868798][ T122] dump_stack_lvl+0x1b1/0x28e [ 53.873475][ T122] ? fortify_panic+0x13/0x13 [ 53.878046][ T122] ? vsnprintf+0x1af/0x1ce0 [ 53.882533][ T122] ? panic+0x715/0x715 [ 53.886590][ T122] __ubsan_handle_shift_out_of_bounds+0x33d/0x3b0 [ 53.892994][ T122] ? _raw_spin_unlock_irq+0x1f/0x40 [ 53.898177][ T122] ? lockdep_hardirqs_on+0x8d/0x130 [ 53.903369][ T122] dbUpdatePMap+0xdf5/0xef0 [ 53.907878][ T122] txAllocPMap+0x581/0x6c0 [ 53.912281][ T122] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 53.918256][ T122] txUpdateMap+0x883/0xaa0 [ 53.922666][ T122] ? txCommit+0x6d40/0x6d40 [ 53.927165][ T122] jfs_lazycommit+0x433/0xba0 [ 53.931838][ T122] ? txFreelock+0x580/0x580 [ 53.936329][ T122] ? do_task_dead+0xc0/0xc0 [ 53.940821][ T122] ? _raw_spin_unlock+0x40/0x40 [ 53.945656][ T122] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 53.951624][ T122] ? __kthread_parkme+0x166/0x1c0 [ 53.956642][ T122] kthread+0x266/0x300 [ 53.960698][ T122] ? txFreelock+0x580/0x580 [ 53.965189][ T122] ? kthread_blkcg+0xd0/0xd0 [ 53.969770][ T122] ret_from_fork+0x1f/0x30 [ 53.974187][ T122] [ 53.978574][ T122] ================================================================================ [ 53.988619][ T122] Kernel panic - not syncing: panic_on_warn set ... [ 53.995215][ T122] CPU: 0 PID: 122 Comm: jfsCommit Not tainted 6.0.0-rc7-syzkaller-00250-ga962b54e162c #0 [ 54.005013][ T122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 54.015071][ T122] Call Trace: [ 54.018354][ T122] [ 54.021282][ T122] dump_stack_lvl+0x1b1/0x28e [ 54.025961][ T122] ? fortify_panic+0x13/0x13 [ 54.030547][ T122] ? panic+0x715/0x715 [ 54.034609][ T122] ? preempt_schedule_thunk+0x16/0x18 [ 54.039978][ T122] ? vscnprintf+0x59/0x80 [ 54.044303][ T122] panic+0x2d6/0x715 [ 54.048192][ T122] ? __ubsan_handle_shift_out_of_bounds+0x360/0x3b0 [ 54.054772][ T122] ? fb_is_primary_device+0xcc/0xcc [ 54.059962][ T122] ? panic+0x715/0x715 [ 54.064029][ T122] __ubsan_handle_shift_out_of_bounds+0x3af/0x3b0 [ 54.070440][ T122] ? _raw_spin_unlock_irq+0x1f/0x40 [ 54.075627][ T122] ? lockdep_hardirqs_on+0x8d/0x130 [ 54.080820][ T122] dbUpdatePMap+0xdf5/0xef0 [ 54.085325][ T122] txAllocPMap+0x581/0x6c0 [ 54.089731][ T122] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 54.095705][ T122] txUpdateMap+0x883/0xaa0 [ 54.100115][ T122] ? txCommit+0x6d40/0x6d40 [ 54.104616][ T122] jfs_lazycommit+0x433/0xba0 [ 54.109286][ T122] ? txFreelock+0x580/0x580 [ 54.113776][ T122] ? do_task_dead+0xc0/0xc0 [ 54.118267][ T122] ? _raw_spin_unlock+0x40/0x40 [ 54.123103][ T122] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 54.129072][ T122] ? __kthread_parkme+0x166/0x1c0 [ 54.134089][ T122] kthread+0x266/0x300 [ 54.138144][ T122] ? txFreelock+0x580/0x580 [ 54.142647][ T122] ? kthread_blkcg+0xd0/0xd0 [ 54.147244][ T122] ret_from_fork+0x1f/0x30 [ 54.151669][ T122] [ 54.154959][ T122] Kernel Offset: disabled [ 54.159328][ T122] Rebooting in 86400 seconds..