./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3001888393 <...> DUID 00:04:e6:d8:3e:4c:c1:15:84:42:dc:00:60:8c:e3:5f:26:b4 forked to background, child pid 3183 [ 19.505311][ T3184] 8021q: adding VLAN 0 to HW filter on device bond0 [ 19.513696][ T3184] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.60' (ECDSA) to the list of known hosts. execve("./syz-executor3001888393", ["./syz-executor3001888393"], 0x7ffe13e1d440 /* 10 vars */) = 0 brk(NULL) = 0x5555564f5000 brk(0x5555564f5c40) = 0x5555564f5c40 arch_prctl(ARCH_SET_FS, 0x5555564f5300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3001888393", 4096) = 28 brk(0x555556516c40) = 0x555556516c40 brk(0x555556517000) = 0x555556517000 mprotect(0x7f9831bce000, 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=0x5555564f55d0) = 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< [ 42.235232][ T122] dump_stack_lvl+0x1b1/0x28e [ 42.239919][ T122] ? fortify_panic+0x13/0x13 [ 42.244502][ T122] ? vsnprintf+0x1af/0x1ce0 [ 42.248999][ T122] ? panic+0x710/0x710 [ 42.253064][ T122] ? lock_release+0x81/0x820 [ 42.257646][ T122] ? queue_delayed_work_on+0x198/0x210 [ 42.263098][ T122] __ubsan_handle_shift_out_of_bounds+0x33d/0x3b0 [ 42.269509][ T122] dbUpdatePMap+0xdf5/0xef0 [ 42.274006][ T122] txAllocPMap+0x581/0x6c0 [ 42.278417][ T122] txUpdateMap+0x883/0xaa0 [ 42.282830][ T122] ? txCommit+0x6d40/0x6d40 [ 42.287328][ T122] jfs_lazycommit+0x433/0xba0 [ 42.291998][ T122] ? txFreelock+0x580/0x580 [ 42.296492][ T122] ? do_task_dead+0xc0/0xc0 [ 42.300981][ T122] ? _raw_spin_unlock+0x40/0x40 [ 42.305818][ T122] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 42.311790][ T122] ? __kthread_parkme+0x166/0x1c0 [ 42.316806][ T122] kthread+0x266/0x300 [ 42.320864][ T122] ? txFreelock+0x580/0x580 [ 42.325355][ T122] ? kthread_blkcg+0xd0/0xd0 [ 42.329935][ T122] ret_from_fork+0x1f/0x30 [ 42.334347][ T122] [ 42.337537][ T122] ================================================================================ [ 42.346941][ T122] Kernel panic - not syncing: panic_on_warn set ... [ 42.353522][ T122] CPU: 1 PID: 122 Comm: jfsCommit Not tainted 6.0.0-syzkaller-09039-ga6afa4199d3d #0 [ 42.362957][ T122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 42.372988][ T122] Call Trace: [ 42.376258][ T122] [ 42.379175][ T122] dump_stack_lvl+0x1b1/0x28e [ 42.383835][ T122] ? fortify_panic+0x13/0x13 [ 42.388500][ T122] ? panic+0x710/0x710 [ 42.392549][ T122] ? preempt_schedule_thunk+0x16/0x18 [ 42.397922][ T122] ? vscnprintf+0x59/0x80 [ 42.402249][ T122] panic+0x2d6/0x710 [ 42.406146][ T122] ? __ubsan_handle_shift_out_of_bounds+0x360/0x3b0 [ 42.412733][ T122] ? fb_is_primary_device+0xcc/0xcc [ 42.417924][ T122] ? panic+0x710/0x710 [ 42.421977][ T122] ? lock_release+0x81/0x820 [ 42.426564][ T122] ? queue_delayed_work_on+0x198/0x210 [ 42.432011][ T122] __ubsan_handle_shift_out_of_bounds+0x3af/0x3b0 [ 42.438416][ T122] dbUpdatePMap+0xdf5/0xef0 [ 42.442909][ T122] txAllocPMap+0x581/0x6c0 [ 42.447312][ T122] txUpdateMap+0x883/0xaa0 [ 42.451717][ T122] ? txCommit+0x6d40/0x6d40 [ 42.456208][ T122] jfs_lazycommit+0x433/0xba0 [ 42.460870][ T122] ? txFreelock+0x580/0x580 [ 42.465354][ T122] ? do_task_dead+0xc0/0xc0 [ 42.469835][ T122] ? _raw_spin_unlock+0x40/0x40 [ 42.474670][ T122] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 42.480629][ T122] ? __kthread_parkme+0x166/0x1c0 [ 42.485632][ T122] kthread+0x266/0x300 [ 42.489687][ T122] ? txFreelock+0x580/0x580 [ 42.494183][ T122] ? kthread_blkcg+0xd0/0xd0 [ 42.498772][ T122] ret_from_fork+0x1f/0x30 [ 42.503182][ T122] [ 42.506374][ T122] Kernel Offset: disabled [ 42.510697][ T122] Rebooting in 86400 seconds..