./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1437396383 <...> Warning: Permanently added '10.128.0.124' (ECDSA) to the list of known hosts. execve("./syz-executor1437396383", ["./syz-executor1437396383"], 0x7ffe10f1bb60 /* 10 vars */) = 0 brk(NULL) = 0x555557370000 brk(0x555557370c40) = 0x555557370c40 arch_prctl(ARCH_SET_FS, 0x555557370300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1437396383", 4096) = 28 brk(0x555557391c40) = 0x555557391c40 brk(0x555557392000) = 0x555557392000 mprotect(0x7ffbfa566000, 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 3605 attached , child_tidptr=0x5555573705d0) = 3605 [pid 3605] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3605] setsid() = 1 [pid 3605] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3605] unshare(CLONE_NEWNS) = 0 [pid 3605] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3605] unshare(CLONE_NEWIPC) = 0 [pid 3605] unshare(CLONE_NEWCGROUP) = 0 [pid 3605] unshare(CLONE_NEWUTS) = 0 [pid 3605] unshare(CLONE_SYSVSEM) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "16777216", 8) = 8 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "536870912", 9) = 9 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "8192", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3605] close(3) = 0 [pid 3605] getpid() = 1 [pid 3605] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 40.912244][ T120] dump_stack_lvl+0xcd/0x134 [ 40.916819][ T120] ubsan_epilogue+0xb/0x50 [ 40.921214][ T120] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 40.927971][ T120] ? _raw_spin_unlock_irq+0x2a/0x40 [ 40.933150][ T120] ? __mark_inode_dirty+0x61f/0xfb0 [ 40.938415][ T120] dbUpdatePMap.cold+0x6b/0x70 [ 40.943160][ T120] ? release_metapage+0x507/0xf00 [ 40.948172][ T120] txAllocPMap.isra.0+0x550/0x690 [ 40.953189][ T120] txUpdateMap+0xaa8/0xc50 [ 40.957597][ T120] ? txFreeMap+0xd70/0xd70 [ 40.962002][ T120] ? _raw_spin_lock_irqsave+0x41/0x50 [ 40.967363][ T120] jfs_lazycommit+0x5bb/0xaa0 [ 40.972030][ T120] ? txCommit+0x43a0/0x43a0 [ 40.976525][ T120] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 40.982321][ T120] ? wake_up_q+0xf0/0xf0 [ 40.986554][ T120] ? __kthread_parkme+0x15f/0x220 [ 40.991568][ T120] ? txCommit+0x43a0/0x43a0 [ 40.996061][ T120] kthread+0x2e4/0x3a0 [ 41.000114][ T120] ? kthread_complete_and_exit+0x40/0x40 [ 41.005735][ T120] ret_from_fork+0x1f/0x30 [ 41.010149][ T120] [ 41.013481][ T120] ================================================================================ [ 41.022798][ T120] Kernel panic - not syncing: panic_on_warn set ... [ 41.029372][ T120] CPU: 1 PID: 120 Comm: jfsCommit Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 [ 41.038813][ T120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 41.048854][ T120] Call Trace: [ 41.052117][ T120] [ 41.055032][ T120] dump_stack_lvl+0xcd/0x134 [ 41.059611][ T120] panic+0x2c8/0x622 [ 41.063501][ T120] ? panic_print_sys_info.part.0+0x10b/0x10b [ 41.069481][ T120] ? ubsan_epilogue+0x3e/0x50 [ 41.074145][ T120] ubsan_epilogue+0x4a/0x50 [ 41.078635][ T120] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 41.085397][ T120] ? _raw_spin_unlock_irq+0x2a/0x40 [ 41.090584][ T120] ? __mark_inode_dirty+0x61f/0xfb0 [ 41.095771][ T120] dbUpdatePMap.cold+0x6b/0x70 [ 41.100530][ T120] ? release_metapage+0x507/0xf00 [ 41.105546][ T120] txAllocPMap.isra.0+0x550/0x690 [ 41.110560][ T120] txUpdateMap+0xaa8/0xc50 [ 41.114982][ T120] ? txFreeMap+0xd70/0xd70 [ 41.119387][ T120] ? _raw_spin_lock_irqsave+0x41/0x50 [ 41.124746][ T120] jfs_lazycommit+0x5bb/0xaa0 [ 41.129415][ T120] ? txCommit+0x43a0/0x43a0 [ 41.133903][ T120] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 41.139703][ T120] ? wake_up_q+0xf0/0xf0 [ 41.143952][ T120] ? __kthread_parkme+0x15f/0x220 [ 41.148964][ T120] ? txCommit+0x43a0/0x43a0 [ 41.153454][ T120] kthread+0x2e4/0x3a0 [ 41.157511][ T120] ? kthread_complete_and_exit+0x40/0x40 [ 41.163135][ T120] ret_from_fork+0x1f/0x30 [ 41.167546][ T120] [ 41.171401][ T120] Kernel Offset: disabled [ 41.175708][ T120] Rebooting in 86400 seconds..