./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3642497568 <...> DUID 00:04:f8:b5:8a:47:ae:09:95:3a:43:2d:d7:42:86:31:94:89 forked to background, child pid 3183 [ 20.723260][ T3184] 8021q: adding VLAN 0 to HW filter on device bond0 [ 20.739018][ T3184] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.111' (ECDSA) to the list of known hosts. execve("./syz-executor3642497568", ["./syz-executor3642497568"], 0x7fffdcd27400 /* 10 vars */) = 0 brk(NULL) = 0x555555ddf000 brk(0x555555ddfc40) = 0x555555ddfc40 arch_prctl(ARCH_SET_FS, 0x555555ddf300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3642497568", 4096) = 28 brk(0x555555e00c40) = 0x555555e00c40 brk(0x555555e01000) = 0x555555e01000 mprotect(0x7f8264ee8000, 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 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ddf5d0) = 3613 ./strace-static-x86_64: Process 3613 attached [pid 3613] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3613] setsid() = 1 [pid 3613] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3613] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3613] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3613] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3613] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3613] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3613] unshare(CLONE_NEWNS) = 0 [pid 3613] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3613] unshare(CLONE_NEWIPC) = 0 [pid 3613] unshare(CLONE_NEWCGROUP) = 0 [pid 3613] unshare(CLONE_NEWUTS) = 0 [pid 3613] unshare(CLONE_SYSVSEM) = 0 [pid 3613] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "16777216", 8) = 8 [pid 3613] close(3) = 0 [pid 3613] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "536870912", 9) = 9 [pid 3613] close(3) = 0 [pid 3613] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "1024", 4) = 4 [pid 3613] close(3) = 0 [pid 3613] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "8192", 4) = 4 [pid 3613] close(3) = 0 [pid 3613] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "1024", 4) = 4 [pid 3613] close(3) = 0 [pid 3613] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "1024", 4) = 4 [pid 3613] close(3) = 0 [pid 3613] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3613] close(3) = 0 [pid 3613] getpid() = 1 [pid 3613] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 37.741994][ T3613] dump_stack_lvl+0x1b1/0x28e [ 37.746664][ T3613] ? fortify_panic+0x13/0x13 [ 37.751245][ T3613] ? panic+0x710/0x710 [ 37.755305][ T3613] ? _printk+0xc0/0x100 [ 37.759452][ T3613] ? panic+0x710/0x710 [ 37.763512][ T3613] print_report+0xf1/0x1f0 [ 37.767916][ T3613] ? _raw_spin_lock+0x40/0x40 [ 37.772584][ T3613] ? kthread_stop+0x2a/0x210 [ 37.777161][ T3613] kasan_report+0xc3/0xf0 [ 37.781481][ T3613] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 37.787448][ T3613] ? kthread_stop+0x2a/0x210 [ 37.792026][ T3613] kasan_check_range+0x2a7/0x2e0 [ 37.796962][ T3613] kthread_stop+0x2a/0x210 [ 37.801370][ T3613] kill_f2fs_super+0xe6/0x3c0 [ 37.806065][ T3613] ? f2fs_mount+0x40/0x40 [ 37.810398][ T3613] ? trace_kfree+0x2d/0xd0 [ 37.814822][ T3613] ? kfree+0x30/0x210 [ 37.818811][ T3613] ? unregister_shrinker+0x261/0x320 [ 37.824085][ T3613] deactivate_locked_super+0xa7/0xf0 [ 37.829381][ T3613] cleanup_mnt+0x4ce/0x560 [ 37.833804][ T3613] task_work_run+0x146/0x1c0 [ 37.838398][ T3613] do_exit+0x6b2/0x2280 [ 37.842547][ T3613] ? __lock_acquire+0x1f60/0x1f60 [ 37.847563][ T3613] ? ptrace_notify+0x245/0x340 [ 37.852315][ T3613] ? mm_update_next_owner+0x6d0/0x6d0 [ 37.857677][ T3613] ? print_irqtrace_events+0x220/0x220 [ 37.863127][ T3613] do_group_exit+0x1fd/0x2b0 [ 37.867712][ T3613] __x64_sys_exit_group+0x3b/0x40 [ 37.872724][ T3613] do_syscall_64+0x3d/0xb0 [ 37.877135][ T3613] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 37.883022][ T3613] RIP: 0033:0x7f8264e76359 [ 37.887427][ T3613] Code: Unable to access opcode bytes at 0x7f8264e7632f. [ 37.894492][ T3613] RSP: 002b:00007fffe8489448 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 37.902899][ T3613] RAX: ffffffffffffffda RBX: 00007f8264eee410 RCX: 00007f8264e76359 [ 37.910863][ T3613] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 37.918821][ T3613] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000000000 [ 37.926782][ T3613] R10: 0000000000180020 R11: 0000000000000246 R12: 00007f8264eee410 [ 37.934743][ T3613] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 37.942715][ T3613] [ 37.945722][ T3613] ================================================================== [ 37.963046][ T3613] Kernel panic - not syncing: panic_on_warn set ... [ 37.969671][ T3613] CPU: 0 PID: 3613 Comm: syz-executor364 Not tainted 6.0.0-syzkaller-09423-g493ffd6605b2 #0 [ 37.979734][ T3613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 37.989782][ T3613] Call Trace: [ 37.993072][ T3613] [ 37.996003][ T3613] dump_stack_lvl+0x1b1/0x28e [ 38.000682][ T3613] ? fortify_panic+0x13/0x13 [ 38.005354][ T3613] ? panic+0x710/0x710 [ 38.009424][ T3613] ? preempt_schedule_common+0xb7/0xe0 [ 38.014896][ T3613] ? vscnprintf+0x59/0x80 [ 38.019234][ T3613] panic+0x2d6/0x710 [ 38.023136][ T3613] ? fb_is_primary_device+0xcc/0xcc [ 38.028337][ T3613] ? _raw_spin_unlock_irqrestore+0x110/0x120 [ 38.034319][ T3613] ? print_report+0xf1/0x1f0 [ 38.038907][ T3613] ? _raw_spin_lock+0x40/0x40 [ 38.043586][ T3613] ? kthread_stop+0x2a/0x210 [ 38.048181][ T3613] end_report+0x91/0xa0 [ 38.052337][ T3613] kasan_report+0xd0/0xf0 [ 38.056669][ T3613] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 38.062649][ T3613] ? kthread_stop+0x2a/0x210 [ 38.067241][ T3613] kasan_check_range+0x2a7/0x2e0 [ 38.072179][ T3613] kthread_stop+0x2a/0x210 [ 38.076597][ T3613] kill_f2fs_super+0xe6/0x3c0 [ 38.081276][ T3613] ? f2fs_mount+0x40/0x40 [ 38.085604][ T3613] ? trace_kfree+0x2d/0xd0 [ 38.090019][ T3613] ? kfree+0x30/0x210 [ 38.094005][ T3613] ? unregister_shrinker+0x261/0x320 [ 38.099294][ T3613] deactivate_locked_super+0xa7/0xf0 [ 38.104577][ T3613] cleanup_mnt+0x4ce/0x560 [ 38.108994][ T3613] task_work_run+0x146/0x1c0 [ 38.113589][ T3613] do_exit+0x6b2/0x2280 [ 38.117751][ T3613] ? __lock_acquire+0x1f60/0x1f60 [ 38.122775][ T3613] ? ptrace_notify+0x245/0x340 [ 38.127540][ T3613] ? mm_update_next_owner+0x6d0/0x6d0 [ 38.132909][ T3613] ? print_irqtrace_events+0x220/0x220 [ 38.138370][ T3613] do_group_exit+0x1fd/0x2b0 [ 38.142960][ T3613] __x64_sys_exit_group+0x3b/0x40 [ 38.147979][ T3613] do_syscall_64+0x3d/0xb0 [ 38.152399][ T3613] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 38.158293][ T3613] RIP: 0033:0x7f8264e76359 [ 38.162707][ T3613] Code: Unable to access opcode bytes at 0x7f8264e7632f. [ 38.169719][ T3613] RSP: 002b:00007fffe8489448 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 38.178131][ T3613] RAX: ffffffffffffffda RBX: 00007f8264eee410 RCX: 00007f8264e76359 [ 38.186098][ T3613] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 38.194064][ T3613] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000000000 [ 38.202030][ T3613] R10: 0000000000180020 R11: 0000000000000246 R12: 00007f8264eee410 [ 38.209997][ T3613] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 38.217979][ T3613] [ 38.221149][ T3613] Kernel Offset: disabled [ 38.225473][ T3613] Rebooting in 86400 seconds..