./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3493173067 <...> forked to background, child pid 3183 no interfa[ 18.021875][ T3184] 8021q: adding VLAN 0 to HW filter on device bond0 ces have a carrier [ 18.031915][ T3184] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.145' (ECDSA) to the list of known hosts. execve("./syz-executor3493173067", ["./syz-executor3493173067"], 0x7ffcfdae2e20 /* 10 vars */) = 0 brk(NULL) = 0x555555c05000 brk(0x555555c05c40) = 0x555555c05c40 arch_prctl(ARCH_SET_FS, 0x555555c05300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3493173067", 4096) = 28 brk(0x555555c26c40) = 0x555555c26c40 brk(0x555555c27000) = 0x555555c27000 mprotect(0x7f88c307c000, 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=0x555555c055d0) = 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< [ 35.550441][ T120] dump_stack_lvl+0xcd/0x134 [ 35.555029][ T120] ubsan_epilogue+0xb/0x50 [ 35.559421][ T120] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 35.566166][ T120] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.571615][ T120] ? lockdep_unregister_key+0x1c4/0x460 [ 35.577153][ T120] ? finish_task_switch.isra.0+0x2b0/0xc70 [ 35.583039][ T120] ? lock_downgrade+0x6e0/0x6e0 [ 35.587882][ T120] dbUpdatePMap.cold+0x6b/0x70 [ 35.592685][ T120] ? trace_hardirqs_on+0x2d/0x120 [ 35.597713][ T120] txFreeMap+0x4dd/0xd70 [ 35.601944][ T120] txUpdateMap+0x3cd/0xc50 [ 35.606350][ T120] ? txFreeMap+0xd70/0xd70 [ 35.610757][ T120] ? _raw_spin_lock_irqsave+0x41/0x50 [ 35.616122][ T120] jfs_lazycommit+0x610/0xb70 [ 35.620790][ T120] ? txCommit+0x43a0/0x43a0 [ 35.625281][ T120] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 35.631083][ T120] ? wake_up_q+0xf0/0xf0 [ 35.635314][ T120] ? __kthread_parkme+0x15f/0x220 [ 35.640325][ T120] ? txCommit+0x43a0/0x43a0 [ 35.644847][ T120] kthread+0x2e4/0x3a0 [ 35.649203][ T120] ? kthread_complete_and_exit+0x40/0x40 [ 35.654913][ T120] ret_from_fork+0x1f/0x30 [ 35.659335][ T120] [ 35.662652][ T120] ================================================================================ [ 35.671991][ T120] Kernel panic - not syncing: panic_on_warn set ... [ 35.678586][ T120] CPU: 0 PID: 120 Comm: jfsCommit Not tainted 6.0.0-syzkaller-09413-g4899a36f91a9 #0 [ 35.688114][ T120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 35.698263][ T120] Call Trace: [ 35.701529][ T120] [ 35.704464][ T120] dump_stack_lvl+0xcd/0x134 [ 35.709059][ T120] panic+0x2c8/0x622 [ 35.712960][ T120] ? panic_print_sys_info.part.0+0x10b/0x10b [ 35.718976][ T120] ? ubsan_epilogue+0x3e/0x50 [ 35.723657][ T120] ubsan_epilogue+0x4a/0x50 [ 35.728165][ T120] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 35.735027][ T120] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.740493][ T120] ? lockdep_unregister_key+0x1c4/0x460 [ 35.746037][ T120] ? finish_task_switch.isra.0+0x2b0/0xc70 [ 35.751841][ T120] ? lock_downgrade+0x6e0/0x6e0 [ 35.756677][ T120] dbUpdatePMap.cold+0x6b/0x70 [ 35.761524][ T120] ? trace_hardirqs_on+0x2d/0x120 [ 35.766547][ T120] txFreeMap+0x4dd/0xd70 [ 35.770785][ T120] txUpdateMap+0x3cd/0xc50 [ 35.775203][ T120] ? txFreeMap+0xd70/0xd70 [ 35.779626][ T120] ? _raw_spin_lock_irqsave+0x41/0x50 [ 35.784991][ T120] jfs_lazycommit+0x610/0xb70 [ 35.789662][ T120] ? txCommit+0x43a0/0x43a0 [ 35.794159][ T120] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 35.800044][ T120] ? wake_up_q+0xf0/0xf0 [ 35.804278][ T120] ? __kthread_parkme+0x15f/0x220 [ 35.809291][ T120] ? txCommit+0x43a0/0x43a0 [ 35.813784][ T120] kthread+0x2e4/0x3a0 [ 35.817860][ T120] ? kthread_complete_and_exit+0x40/0x40 [ 35.823485][ T120] ret_from_fork+0x1f/0x30 [ 35.827936][ T120] [ 35.831507][ T120] Kernel Offset: disabled [ 35.835836][ T120] Rebooting in 86400 seconds..