./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2981224228 <...> Warning: Permanently added '10.128.10.38' (ECDSA) to the list of known hosts. execve("./syz-executor2981224228", ["./syz-executor2981224228"], 0x7ffdec5f4850 /* 10 vars */) = 0 brk(NULL) = 0x55555667e000 brk(0x55555667ec40) = 0x55555667ec40 arch_prctl(ARCH_SET_FS, 0x55555667e300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2981224228", 4096) = 28 brk(0x55555669fc40) = 0x55555669fc40 brk(0x5555566a0000) = 0x5555566a0000 mprotect(0x7f9808a4d000, 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 mount(NULL, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, NULL) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x30\x3a\x4d\x3a\x30\x3a\x01\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a", 21) = 21 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x31\x3a\x4d\x3a\x31\x3a\x02\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a\x50\x4f\x43", 24) = 24 close(3) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555667e5d0) = 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< [ 39.684798][ T121] dump_stack_lvl+0x1b1/0x28e [ 39.689462][ T121] ? fortify_panic+0x13/0x13 [ 39.694033][ T121] ? vsnprintf+0x1af/0x1ce0 [ 39.698520][ T121] ? panic+0x710/0x710 [ 39.702572][ T121] ? lock_release+0x81/0x820 [ 39.707144][ T121] ? queue_delayed_work_on+0x198/0x210 [ 39.712585][ T121] __ubsan_handle_shift_out_of_bounds+0x33d/0x3b0 [ 39.718987][ T121] dbUpdatePMap+0xdf5/0xef0 [ 39.723476][ T121] txAllocPMap+0x581/0x6c0 [ 39.727875][ T121] txUpdateMap+0x883/0xaa0 [ 39.732289][ T121] ? txCommit+0x6d40/0x6d40 [ 39.736779][ T121] jfs_lazycommit+0x433/0xba0 [ 39.741442][ T121] ? txFreelock+0x580/0x580 [ 39.745923][ T121] ? do_task_dead+0xc0/0xc0 [ 39.750402][ T121] ? _raw_spin_unlock+0x40/0x40 [ 39.755231][ T121] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 39.761192][ T121] ? __kthread_parkme+0x166/0x1c0 [ 39.766197][ T121] kthread+0x266/0x300 [ 39.770245][ T121] ? txFreelock+0x580/0x580 [ 39.774729][ T121] ? kthread_blkcg+0xd0/0xd0 [ 39.779300][ T121] ret_from_fork+0x1f/0x30 [ 39.783700][ T121] [ 39.786829][ T121] ================================================================================ [ 39.796140][ T121] Kernel panic - not syncing: panic_on_warn set ... [ 39.802801][ T121] CPU: 1 PID: 121 Comm: jfsCommit Not tainted 6.0.0-syzkaller-09039-ga6afa4199d3d #0 [ 39.812246][ T121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 39.822309][ T121] Call Trace: [ 39.825577][ T121] [ 39.828495][ T121] dump_stack_lvl+0x1b1/0x28e [ 39.833171][ T121] ? fortify_panic+0x13/0x13 [ 39.837750][ T121] ? panic+0x710/0x710 [ 39.841815][ T121] ? vscnprintf+0x59/0x80 [ 39.846138][ T121] panic+0x2d6/0x710 [ 39.850035][ T121] ? __ubsan_handle_shift_out_of_bounds+0x360/0x3b0 [ 39.856616][ T121] ? fb_is_primary_device+0xcc/0xcc [ 39.861803][ T121] ? panic+0x710/0x710 [ 39.865863][ T121] ? lock_release+0x81/0x820 [ 39.870440][ T121] ? queue_delayed_work_on+0x198/0x210 [ 39.875887][ T121] __ubsan_handle_shift_out_of_bounds+0x3af/0x3b0 [ 39.882298][ T121] dbUpdatePMap+0xdf5/0xef0 [ 39.886793][ T121] txAllocPMap+0x581/0x6c0 [ 39.891202][ T121] txUpdateMap+0x883/0xaa0 [ 39.895614][ T121] ? txCommit+0x6d40/0x6d40 [ 39.900112][ T121] jfs_lazycommit+0x433/0xba0 [ 39.904783][ T121] ? txFreelock+0x580/0x580 [ 39.909286][ T121] ? do_task_dead+0xc0/0xc0 [ 39.913792][ T121] ? _raw_spin_unlock+0x40/0x40 [ 39.918635][ T121] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 39.924612][ T121] ? __kthread_parkme+0x166/0x1c0 [ 39.929635][ T121] kthread+0x266/0x300 [ 39.933706][ T121] ? txFreelock+0x580/0x580 [ 39.938291][ T121] ? kthread_blkcg+0xd0/0xd0 [ 39.942873][ T121] ret_from_fork+0x1f/0x30 [ 39.947284][ T121] [ 39.950440][ T121] Kernel Offset: disabled [ 39.954751][ T121] Rebooting in 86400 seconds..