./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2655735165 <...> Warning: Permanently added '10.128.1.97' (ECDSA) to the list of known hosts. execve("./syz-executor2655735165", ["./syz-executor2655735165"], 0x7ffce032fea0 /* 10 vars */) = 0 brk(NULL) = 0x555556616000 brk(0x555556616c40) = 0x555556616c40 arch_prctl(ARCH_SET_FS, 0x555556616300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2655735165", 4096) = 28 brk(0x555556637c40) = 0x555556637c40 brk(0x555556638000) = 0x555556638000 mprotect(0x7fbd74854000, 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=0x5555566165d0) = 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< [ 46.953621][ T119] dump_stack_lvl+0xcd/0x134 [ 46.958253][ T119] ubsan_epilogue+0xb/0x50 [ 46.962679][ T119] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 46.969450][ T119] ? _raw_spin_unlock_irq+0x2a/0x40 [ 46.974646][ T119] ? __mark_inode_dirty+0x61f/0xfb0 [ 46.979849][ T119] dbUpdatePMap.cold+0x6b/0x70 [ 46.984621][ T119] ? release_metapage+0x507/0xf00 [ 46.989669][ T119] txAllocPMap.isra.0+0x550/0x690 [ 46.994699][ T119] txUpdateMap+0xaa8/0xc50 [ 46.999122][ T119] ? txFreeMap+0xd70/0xd70 [ 47.003546][ T119] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 47.009352][ T119] jfs_lazycommit+0x610/0xb70 [ 47.014056][ T119] ? txCommit+0x43a0/0x43a0 [ 47.018553][ T119] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 47.024359][ T119] ? wake_up_q+0xf0/0xf0 [ 47.028693][ T119] ? __kthread_parkme+0x15f/0x220 [ 47.033715][ T119] ? txCommit+0x43a0/0x43a0 [ 47.038218][ T119] kthread+0x2e4/0x3a0 [ 47.042283][ T119] ? kthread_complete_and_exit+0x40/0x40 [ 47.047934][ T119] ret_from_fork+0x1f/0x30 [ 47.052368][ T119] [ 47.056909][ T119] ================================================================================ [ 47.066525][ T119] Kernel panic - not syncing: panic_on_warn set ... [ 47.073120][ T119] CPU: 0 PID: 119 Comm: jfsCommit Not tainted 6.0.0-syzkaller-06475-g4c86114194e6 #0 [ 47.082567][ T119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 47.092693][ T119] Call Trace: [ 47.095958][ T119] [ 47.098893][ T119] dump_stack_lvl+0xcd/0x134 [ 47.103477][ T119] panic+0x2c8/0x627 [ 47.107360][ T119] ? panic_print_sys_info.part.0+0x10b/0x10b [ 47.113336][ T119] ? ubsan_epilogue+0x3e/0x50 [ 47.118004][ T119] ubsan_epilogue+0x4a/0x50 [ 47.122497][ T119] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 47.129252][ T119] ? _raw_spin_unlock_irq+0x2a/0x40 [ 47.134437][ T119] ? __mark_inode_dirty+0x61f/0xfb0 [ 47.139623][ T119] dbUpdatePMap.cold+0x6b/0x70 [ 47.144374][ T119] ? release_metapage+0x507/0xf00 [ 47.149406][ T119] txAllocPMap.isra.0+0x550/0x690 [ 47.154424][ T119] txUpdateMap+0xaa8/0xc50 [ 47.158833][ T119] ? txFreeMap+0xd70/0xd70 [ 47.163240][ T119] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 47.169034][ T119] jfs_lazycommit+0x610/0xb70 [ 47.173727][ T119] ? txCommit+0x43a0/0x43a0 [ 47.178246][ T119] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 47.184074][ T119] ? wake_up_q+0xf0/0xf0 [ 47.188327][ T119] ? __kthread_parkme+0x15f/0x220 [ 47.193358][ T119] ? txCommit+0x43a0/0x43a0 [ 47.197890][ T119] kthread+0x2e4/0x3a0 [ 47.201956][ T119] ? kthread_complete_and_exit+0x40/0x40 [ 47.207592][ T119] ret_from_fork+0x1f/0x30 [ 47.212023][ T119] [ 47.215849][ T119] Kernel Offset: disabled [ 47.220237][ T119] Rebooting in 86400 seconds..