./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2525178125 <...> Warning: Permanently added '10.128.0.12' (ED25519) to the list of known hosts. execve("./syz-executor2525178125", ["./syz-executor2525178125"], 0x7fff632b53f0 /* 10 vars */) = 0 brk(NULL) = 0x555555dc8000 brk(0x555555dc8d00) = 0x555555dc8d00 arch_prctl(ARCH_SET_FS, 0x555555dc8380) = 0 set_tid_address(0x555555dc8650) = 5059 set_robust_list(0x555555dc8660, 24) = 0 rseq(0x555555dc8ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2525178125", 4096) = 28 getrandom("\x2b\xa6\x74\x76\x6b\x6a\x2e\xdf", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555dc8d00 brk(0x555555de9d00) = 0x555555de9d00 brk(0x555555dea000) = 0x555555dea000 mprotect(0x7f7db0922000, 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 5060 attached , child_tidptr=0x555555dc8650) = 5060 [pid 5060] set_robust_list(0x555555dc8660, 24) = 0 [pid 5060] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5060] setsid() = 1 [pid 5060] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5060] unshare(CLONE_NEWNS) = 0 [pid 5060] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5060] unshare(CLONE_NEWIPC) = 0 [pid 5060] unshare(CLONE_NEWCGROUP) = 0 [pid 5060] unshare(CLONE_NEWUTS) = 0 [pid 5060] unshare(CLONE_SYSVSEM) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "16777216", 8) = 8 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "536870912", 9) = 9 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1024", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "8192", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1024", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1024", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5060] close(3) = 0 [pid 5060] getpid() = 1 [pid 5060] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 76.121467][ T109] dump_stack_lvl+0x1e7/0x2d0 [ 76.126208][ T109] ? nf_tcp_handle_invalid+0x650/0x650 [ 76.131701][ T109] ? panic+0x850/0x850 [ 76.135794][ T109] ? lock_metapage+0x2f9/0x370 [ 76.140582][ T109] __ubsan_handle_out_of_bounds+0x11c/0x150 [ 76.146498][ T109] dbJoin+0x2a6/0x2d0 [ 76.150510][ T109] dbFreeBits+0x4eb/0xda0 [ 76.154869][ T109] dbFree+0x343/0x650 [ 76.158883][ T109] txFreeMap+0x798/0xd50 [ 76.163179][ T109] txUpdateMap+0x342/0x9e0 [ 76.167633][ T109] ? txCommit+0x6a20/0x6a20 [ 76.172168][ T109] jfs_lazycommit+0x47a/0xb70 [ 76.176882][ T109] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 76.182817][ T109] ? lockdep_hardirqs_on+0x98/0x140 [ 76.188040][ T109] ? txFreelock+0x580/0x580 [ 76.192560][ T109] ? do_task_dead+0xd0/0xd0 [ 76.197083][ T109] kthread+0x2d3/0x370 [ 76.201171][ T109] ? txFreelock+0x580/0x580 [ 76.205705][ T109] ? kthread_blkcg+0xd0/0xd0 [ 76.210309][ T109] ret_from_fork+0x48/0x80 [ 76.214742][ T109] ? kthread_blkcg+0xd0/0xd0 [ 76.219343][ T109] ret_from_fork_asm+0x11/0x20 [ 76.224137][ T109] [ 76.231415][ T109] ================================================================================ [ 76.240867][ T109] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 76.248176][ T109] CPU: 0 PID: 109 Comm: jfsCommit Not tainted 6.7.0-rc4-syzkaller-00358-gf2e8a57ee903 #0 [ 76.258014][ T109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 76.268861][ T109] Call Trace: [ 76.272149][ T109] [ 76.275088][ T109] dump_stack_lvl+0x1e7/0x2d0 [ 76.279793][ T109] ? nf_tcp_handle_invalid+0x650/0x650 [ 76.285386][ T109] ? panic+0x850/0x850 [ 76.289592][ T109] ? vprintk_emit+0x607/0x720 [ 76.294311][ T109] ? vscnprintf+0x5d/0x80 [ 76.298930][ T109] panic+0x349/0x850 [ 76.302877][ T109] ? check_panic_on_warn+0x21/0xa0 [ 76.308102][ T109] ? __memcpy_flushcache+0x2b0/0x2b0 [ 76.313578][ T109] ? _printk+0xd5/0x120 [ 76.317798][ T109] ? panic+0x850/0x850 [ 76.322029][ T109] check_panic_on_warn+0x82/0xa0 [ 76.327026][ T109] __ubsan_handle_out_of_bounds+0x13c/0x150 [ 76.332964][ T109] dbJoin+0x2a6/0x2d0 [ 76.337085][ T109] dbFreeBits+0x4eb/0xda0 [ 76.341531][ T109] dbFree+0x343/0x650 [ 76.345538][ T109] txFreeMap+0x798/0xd50 [ 76.349806][ T109] txUpdateMap+0x342/0x9e0 [ 76.354277][ T109] ? txCommit+0x6a20/0x6a20 [ 76.358819][ T109] jfs_lazycommit+0x47a/0xb70 [ 76.363789][ T109] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 76.369717][ T109] ? lockdep_hardirqs_on+0x98/0x140 [ 76.374933][ T109] ? txFreelock+0x580/0x580 [ 76.379451][ T109] ? do_task_dead+0xd0/0xd0 [ 76.383977][ T109] kthread+0x2d3/0x370 [ 76.388053][ T109] ? txFreelock+0x580/0x580 [ 76.392568][ T109] ? kthread_blkcg+0xd0/0xd0 [ 76.397187][ T109] ret_from_fork+0x48/0x80 [ 76.401617][ T109] ? kthread_blkcg+0xd0/0xd0 [ 76.406219][ T109] ret_from_fork_asm+0x11/0x20 [ 76.411012][ T109] [ 76.414326][ T109] Kernel Offset: disabled [ 76.418758][ T109] Rebooting in 86400 seconds..