./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1036226037 <...> forked to background, child pid 3186 no interfaces have a carrier [ 23.962157][ T3187] 8021q: adding VLAN 0 to HW filter on device bond0 [ 23.978132][ T3187] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.29' (ECDSA) to the list of known hosts. execve("./syz-executor1036226037", ["./syz-executor1036226037"], 0x7fffd4d02400 /* 10 vars */) = 0 brk(NULL) = 0x55555565e000 brk(0x55555565ec40) = 0x55555565ec40 arch_prctl(ARCH_SET_FS, 0x55555565e300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1036226037", 4096) = 28 brk(0x55555567fc40) = 0x55555567fc40 brk(0x555555680000) = 0x555555680000 mprotect(0x7f5264795000, 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 3615 attached , child_tidptr=0x55555565e5d0) = 3615 [pid 3615] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3615] setsid() = 1 [pid 3615] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3615] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3615] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3615] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3615] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3615] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3615] unshare(CLONE_NEWNS) = 0 [pid 3615] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3615] unshare(CLONE_NEWIPC) = 0 [pid 3615] unshare(CLONE_NEWCGROUP) = 0 [pid 3615] unshare(CLONE_NEWUTS) = 0 [pid 3615] unshare(CLONE_SYSVSEM) = 0 [pid 3615] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "16777216", 8) = 8 [pid 3615] close(3) = 0 [pid 3615] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "536870912", 9) = 9 [pid 3615] close(3) = 0 [pid 3615] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "1024", 4) = 4 [pid 3615] close(3) = 0 [pid 3615] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "8192", 4) = 4 [pid 3615] close(3) = 0 [pid 3615] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "1024", 4) = 4 [pid 3615] close(3) = 0 [pid 3615] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "1024", 4) = 4 [pid 3615] close(3) = 0 [pid 3615] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3615] close(3) = 0 [pid 3615] getpid() = 1 [pid 3615] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 49.961672][ T122] dump_stack_lvl+0x1b1/0x28e [ 49.966351][ T122] ? fortify_panic+0x13/0x13 [ 49.970923][ T122] ? vsnprintf+0x1af/0x1ce0 [ 49.975410][ T122] ? panic+0x715/0x715 [ 49.979469][ T122] __ubsan_handle_shift_out_of_bounds+0x33d/0x3b0 [ 49.985877][ T122] ? _raw_spin_unlock_irq+0x1f/0x40 [ 49.991060][ T122] ? lockdep_hardirqs_on+0x8d/0x130 [ 49.996244][ T122] dbUpdatePMap+0xdf5/0xef0 [ 50.000741][ T122] txAllocPMap+0x581/0x6c0 [ 50.005141][ T122] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 50.011108][ T122] txUpdateMap+0x883/0xaa0 [ 50.015515][ T122] ? txCommit+0x6d40/0x6d40 [ 50.020019][ T122] jfs_lazycommit+0x433/0xba0 [ 50.024687][ T122] ? txFreelock+0x580/0x580 [ 50.029174][ T122] ? do_task_dead+0xc0/0xc0 [ 50.033659][ T122] ? _raw_spin_unlock+0x40/0x40 [ 50.038503][ T122] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 50.044466][ T122] ? __kthread_parkme+0x166/0x1c0 [ 50.049480][ T122] kthread+0x266/0x300 [ 50.053535][ T122] ? txFreelock+0x580/0x580 [ 50.058021][ T122] ? kthread_blkcg+0xd0/0xd0 [ 50.062596][ T122] ret_from_fork+0x1f/0x30 [ 50.067005][ T122] [ 50.071692][ T122] ================================================================================ [ 50.081064][ T122] Kernel panic - not syncing: panic_on_warn set ... [ 50.087685][ T122] CPU: 0 PID: 122 Comm: jfsCommit Not tainted 6.0.0-rc7-syzkaller-00068-g49c13ed0316d #0 [ 50.097482][ T122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 50.107525][ T122] Call Trace: [ 50.110793][ T122] [ 50.113720][ T122] dump_stack_lvl+0x1b1/0x28e [ 50.118394][ T122] ? fortify_panic+0x13/0x13 [ 50.123008][ T122] ? panic+0x715/0x715 [ 50.127089][ T122] ? __irq_work_queue_local+0x121/0x180 [ 50.132653][ T122] ? vscnprintf+0x59/0x80 [ 50.136984][ T122] panic+0x2d6/0x715 [ 50.140875][ T122] ? __ubsan_handle_shift_out_of_bounds+0x360/0x3b0 [ 50.147472][ T122] ? fb_is_primary_device+0xcc/0xcc [ 50.152662][ T122] ? panic+0x715/0x715 [ 50.156728][ T122] __ubsan_handle_shift_out_of_bounds+0x3af/0x3b0 [ 50.163145][ T122] ? _raw_spin_unlock_irq+0x1f/0x40 [ 50.168348][ T122] ? lockdep_hardirqs_on+0x8d/0x130 [ 50.173539][ T122] dbUpdatePMap+0xdf5/0xef0 [ 50.178043][ T122] txAllocPMap+0x581/0x6c0 [ 50.182447][ T122] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 50.188426][ T122] txUpdateMap+0x883/0xaa0 [ 50.192840][ T122] ? txCommit+0x6d40/0x6d40 [ 50.197341][ T122] jfs_lazycommit+0x433/0xba0 [ 50.202028][ T122] ? txFreelock+0x580/0x580 [ 50.206523][ T122] ? do_task_dead+0xc0/0xc0 [ 50.211015][ T122] ? _raw_spin_unlock+0x40/0x40 [ 50.215851][ T122] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 50.221824][ T122] ? __kthread_parkme+0x166/0x1c0 [ 50.226840][ T122] kthread+0x266/0x300 [ 50.230899][ T122] ? txFreelock+0x580/0x580 [ 50.235393][ T122] ? kthread_blkcg+0xd0/0xd0 [ 50.239976][ T122] ret_from_fork+0x1f/0x30 [ 50.244395][ T122] [ 50.247675][ T122] Kernel Offset: disabled [ 50.252075][ T122] Rebooting in 86400 seconds..