./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2916864292 <...> Warning: Permanently added '10.128.10.0' (ED25519) to the list of known hosts. execve("./syz-executor2916864292", ["./syz-executor2916864292"], 0x7ffe0e679280 /* 10 vars */) = 0 brk(NULL) = 0x55555b897000 brk(0x55555b897d00) = 0x55555b897d00 arch_prctl(ARCH_SET_FS, 0x55555b897380) = 0 set_tid_address(0x55555b897650) = 5070 set_robust_list(0x55555b897660, 24) = 0 rseq(0x55555b897ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2916864292", 4096) = 28 getrandom("\x19\x49\xc4\x77\xaf\x5b\xa7\x19", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555b897d00 brk(0x55555b8b8d00) = 0x55555b8b8d00 brk(0x55555b8b9000) = 0x55555b8b9000 mprotect(0x7f3b4befe000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5071 attached [pid 5071] set_robust_list(0x55555b897660, 24 [pid 5070] <... clone resumed>, child_tidptr=0x55555b897650) = 5071 [pid 5071] <... set_robust_list resumed>) = 0 [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] setpgid(0, 0) = 0 [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1000", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=8, max_entries=128, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5071] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 5071] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=21, insns=0x20000000, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 5 [pid 5071] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="sched_kthread_work_queue_work", prog_fd=5}}, 16) = 6 [pid 5071] exit_group(0) = ? [pid 5071] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5072 attached [pid 5072] set_robust_list(0x55555b897660, 24 [pid 5070] <... clone resumed>, child_tidptr=0x55555b897650) = 5072 [pid 5072] <... set_robust_list resumed>) = 0 [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5072] setpgid(0, 0) = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1000", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=8, max_entries=128, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5072] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 5072] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=21, insns=0x20000000, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 5 [pid 5072] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="sched_kthread_work_queue_work", prog_fd=5}}, 16) = 6 [pid 5072] exit_group(0) = ? [pid 5072] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5073 attached [pid 5073] set_robust_list(0x55555b897660, 24 [pid 5070] <... clone resumed>, child_tidptr=0x55555b897650) = 5073 [pid 5073] <... set_robust_list resumed>) = 0 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5073] setpgid(0, 0) = 0 [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] write(3, "1000", 4) = 4 [pid 5073] close(3) = 0 [pid 5073] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=8, max_entries=128, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5073] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 5073] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=21, insns=0x20000000, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 5 [pid 5073] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="sched_kthread_work_queue_work", prog_fd=5}}, 16) = 6 [ 76.294525][ T981] ------------[ cut here ]------------ [ 76.294681][ T981] [ 76.294687][ T981] ====================================================== [ 76.294693][ T981] WARNING: possible circular locking dependency detected [ 76.294700][ T981] 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Not tainted [ 76.294709][ T981] ------------------------------------------------------ [ 76.294715][ T981] kworker/u8:5/981 is trying to acquire lock: [ 76.294724][ T981] ffffffff8e126300 (console_owner){....}-{0:0}, at: console_flush_all+0x152/0xfd0 [ 76.294799][ T981] [ 76.294799][ T981] but task is already holding lock: [ 76.294804][ T981] ffff888016ef4020 ((worker)->lock){....}-{2:2}, at: kthread_queue_work+0x27/0x180 [ 76.294846][ T981] [ 76.294846][ T981] which lock already depends on the new lock. [ 76.294846][ T981] [ 76.294851][ T981] [ 76.294851][ T981] the existing dependency chain (in reverse order) is: [ 76.294857][ T981] [ 76.294857][ T981] -> #4 ((worker)->lock){....}-{2:2}: [ 76.294880][ T981] lock_acquire+0x1e4/0x530 [ 76.294897][ T981] _raw_spin_lock_irqsave+0xd5/0x120 [ 76.294927][ T981] kthread_queue_work+0x27/0x180 [ 76.294946][ T981] put_pwq_unlocked+0x12a/0x190 [ 76.294969][ T981] apply_workqueue_attrs_locked+0x132/0x210 [ 76.294993][ T981] apply_workqueue_attrs+0x30/0x50 [ 76.295023][ T981] padata_alloc+0x22b/0x370 [ 76.295045][ T981] pcrypt_init_padata+0x27/0x100 [ 76.295079][ T981] pcrypt_init+0x65/0xe0 [ 76.295107][ T981] do_one_initcall+0x23a/0x830 [ 76.295131][ T981] do_initcall_level+0x157/0x210 [ 76.295149][ T981] do_initcalls+0x3f/0x80 [ 76.295165][ T981] kernel_init_freeable+0x435/0x5d0 [ 76.295182][ T981] kernel_init+0x1d/0x2a0 [ 76.295200][ T981] ret_from_fork+0x4d/0x80 [ 76.295226][ T981] ret_from_fork_asm+0x1a/0x30 [ 76.295250][ T981] [ 76.295250][ T981] -> #3 (&pool->lock){-.-.}-{2:2}: [ 76.295274][ T981] lock_acquire+0x1e4/0x530 [ 76.295290][ T981] _raw_spin_lock+0x2e/0x40 [ 76.295315][ T981] __queue_work+0x6ec/0xec0 [ 76.295333][ T981] queue_work_on+0x14f/0x250 [ 76.295351][ T981] rpm_suspend+0xe99/0x1780 [ 76.295379][ T981] __pm_runtime_idle+0x131/0x1a0 [ 76.295398][ T981] __device_attach+0x3e5/0x520 [ 76.295421][ T981] bus_probe_device+0x189/0x260 [ 76.295439][ T981] device_add+0x8ff/0xca0 [ 76.295460][ T981] serial_base_port_add+0x2b6/0x3f0 [ 76.295479][ T981] serial_core_register_port+0x393/0x1e30 [ 76.295503][ T981] serial8250_register_8250_port+0x1433/0x1cd0 [ 76.295525][ T981] serial_pnp_probe+0x7d5/0xa20 [ 76.295547][ T981] pnp_device_probe+0x2bc/0x460 [ 76.295569][ T981] really_probe+0x2a0/0xc50 [ 76.295593][ T981] __driver_probe_device+0x1a2/0x3e0 [ 76.295616][ T981] driver_probe_device+0x50/0x430 [ 76.295641][ T981] __driver_attach+0x45f/0x710 [ 76.295663][ T981] bus_for_each_dev+0x23b/0x2b0 [ 76.295680][ T981] bus_add_driver+0x347/0x620 [ 76.295697][ T981] driver_register+0x23a/0x320 [ 76.295723][ T981] serial8250_init+0x9e/0x170 [ 76.295748][ T981] do_one_initcall+0x23a/0x830 [ 76.295771][ T981] do_initcall_level+0x157/0x210 [ 76.295788][ T981] do_initcalls+0x3f/0x80 [ 76.295804][ T981] kernel_init_freeable+0x435/0x5d0 [ 76.295820][ T981] kernel_init+0x1d/0x2a0 [ 76.295838][ T981] ret_from_fork+0x4d/0x80 [ 76.295863][ T981] ret_from_fork_asm+0x1a/0x30 [ 76.295887][ T981] [ 76.295887][ T981] -> #2 (&dev->power.lock){-...}-{2:2}: [ 76.295910][ T981] lock_acquire+0x1e4/0x530 [ 76.295926][ T981] _raw_spin_lock_irqsave+0xd5/0x120 [ 76.295952][ T981] __pm_runtime_resume+0x112/0x180 [ 76.295971][ T981] __uart_start+0x17a/0x3c0 [ 76.295994][ T981] uart_write+0x427/0x5c0 [ 76.296017][ T981] n_tty_write+0xd6c/0x1230 [ 76.296036][ T981] file_tty_write+0x551/0x9b0 [ 76.296059][ T981] vfs_write+0xa86/0xcb0 [ 76.296080][ T981] ksys_write+0x1a0/0x2c0 [ 76.296100][ T981] do_syscall_64+0xfd/0x240 [ 76.296115][ T981] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.296137][ T981] [ 76.296137][ T981] -> #1 (&port_lock_key){-.-.}-{2:2}: [ 76.296159][ T981] lock_acquire+0x1e4/0x530 [ 76.296175][ T981] _raw_spin_lock_irqsave+0xd5/0x120 [ 76.296201][ T981] serial8250_console_write+0x1a8/0x1840 [ 76.296227][ T981] console_flush_all+0x867/0xfd0 [ 76.296250][ T981] console_unlock+0x13b/0x4d0 [ 76.296271][ T981] vprintk_emit+0x5a6/0x770 [ 76.296292][ T981] _printk+0xd5/0x120 [ 76.296316][ T981] register_console+0x70a/0xcd0 [ 76.296339][ T981] univ8250_console_init+0x49/0x50 [ 76.296368][ T981] console_init+0x198/0x680 [ 76.296384][ T981] start_kernel+0x2d3/0x500 [ 76.296398][ T981] x86_64_start_reservations+0x2a/0x30 [ 76.296420][ T981] x86_64_start_kernel+0x99/0xa0 [ 76.296440][ T981] common_startup_64+0x13e/0x147 [ 76.296460][ T981] [ 76.296460][ T981] -> #0 (console_owner){....}-{0:0}: [ 76.296482][ T981] validate_chain+0x18cb/0x58e0 [ 76.296503][ T981] __lock_acquire+0x1346/0x1fd0 [ 76.296519][ T981] lock_acquire+0x1e4/0x530 [ 76.296535][ T981] console_flush_all+0x810/0xfd0 [ 76.296558][ T981] console_unlock+0x13b/0x4d0 [ 76.296578][ T981] vprintk_emit+0x5a6/0x770 [ 76.296599][ T981] _printk+0xd5/0x120 [ 76.296622][ T981] report_bug+0x346/0x500 [ 76.296641][ T981] handle_bug+0x3e/0x70 [ 76.296656][ T981] exc_invalid_op+0x1a/0x50 [ 76.296672][ T981] asm_exc_invalid_op+0x1a/0x20 [ 76.296692][ T981] __local_bh_enable_ip+0x1be/0x200 [ 76.296709][ T981] sock_map_delete_elem+0xca/0x140 [ 76.296733][ T981] bpf_prog_d247abf228e51871+0x69/0x71 [ 76.296748][ T981] bpf_trace_run2+0x206/0x420 [ 76.296767][ T981] kthread_insert_work+0x3f4/0x460 [ 76.296787][ T981] kthread_queue_work+0xff/0x180 [ 76.296806][ T981] synchronize_rcu_expedited+0x593/0x820 [ 76.296827][ T981] synchronize_rcu+0x136/0x3e0 [ 76.296845][ T981] sock_map_free+0x29/0x3e0 [ 76.296865][ T981] bpf_map_free_deferred+0xe8/0x110 [ 76.296884][ T981] process_scheduled_works+0xa02/0x1770 [ 76.296900][ T981] worker_thread+0x86d/0xd70 [ 76.296917][ T981] kthread+0x2f2/0x390 [ 76.296937][ T981] ret_from_fork+0x4d/0x80 [ 76.296962][ T981] ret_from_fork_asm+0x1a/0x30 [ 76.296986][ T981] [ 76.296986][ T981] other info that might help us debug this: [ 76.296986][ T981] [ 76.296991][ T981] Chain exists of: [ 76.296991][ T981] console_owner --> &pool->lock --> (worker)->lock [ 76.296991][ T981] [ 76.297017][ T981] Possible unsafe locking scenario: [ 76.297017][ T981] [ 76.297022][ T981] CPU0 CPU1 [ 76.297027][ T981] ---- ---- [ 76.297032][ T981] lock((worker)->lock); [ 76.297043][ T981] lock(&pool->lock); [ 76.297055][ T981] lock((worker)->lock); [ 76.297067][ T981] lock(console_owner); [ 76.297078][ T981] [ 76.297078][ T981] *** DEADLOCK *** [ 76.297078][ T981] [ 76.297083][ T981] 7 locks held by kworker/u8:5/981: [ 76.297093][ T981] #0: ffff888014c79148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x1770 [ 76.297135][ T981] #1: ffffc90003f47d00 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x1770 [ 76.297176][ T981] #2: ffffffff8e1373b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x39a/0x820 [ 76.297221][ T981] #3: ffff888016ef4020 ((worker)->lock){....}-{2:2}, at: kthread_queue_work+0x27/0x180 [ 76.297265][ T981] #4: ffffffff8e132020 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x114/0x420 [ 76.297308][ T981] #5: ffffffff8e00dc20 (console_lock){+.+.}-{0:0}, at: _printk+0xd5/0x120 [ 76.297355][ T981] #6: ffffffff8e00d850 (console_srcu){....}-{0:0}, at: console_flush_all+0x152/0xfd0 [ 76.297407][ T981] [ 76.297407][ T981] stack backtrace: [ 76.297412][ T981] CPU: 0 PID: 981 Comm: kworker/u8:5 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 76.297430][ T981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 76.297441][ T981] Workqueue: events_unbound bpf_map_free_deferred [ 76.297461][ T981] Call Trace: [ 76.297468][ T981] [ 76.297476][ T981] dump_stack_lvl+0x241/0x360 [ 76.297506][ T981] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.297539][ T981] ? srso_return_thunk+0x5/0x5f [ 76.297560][ T981] ? print_circular_bug+0x130/0x1a0 [ 76.297585][ T981] check_noncircular+0x36a/0x4a0 [ 76.297611][ T981] ? __pfx_check_noncircular+0x10/0x10 [ 76.297635][ T981] ? srso_return_thunk+0x5/0x5f [ 76.297655][ T981] ? lockdep_lock+0x123/0x2b0 [ 76.297684][ T981] ? srso_return_thunk+0x5/0x5f [ 76.297704][ T981] ? add_lock_to_list+0x1de/0x2e0 [ 76.297732][ T981] validate_chain+0x18cb/0x58e0 [ 76.297767][ T981] ? __pfx_validate_chain+0x10/0x10 [ 76.297792][ T981] ? srso_return_thunk+0x5/0x5f [ 76.297812][ T981] ? sprintf+0xda/0x120 [ 76.297833][ T981] ? vsnprintf+0x1cc3/0x1da0 [ 76.297861][ T981] ? info_print_prefix+0x204/0x310 [ 76.297892][ T981] ? srso_return_thunk+0x5/0x5f [ 76.297912][ T981] ? mark_lock+0x9a/0x350 [ 76.297934][ T981] __lock_acquire+0x1346/0x1fd0 [ 76.297961][ T981] lock_acquire+0x1e4/0x530 [ 76.297979][ T981] ? console_flush_all+0x152/0xfd0 [ 76.298008][ T981] ? __pfx_lock_acquire+0x10/0x10 [ 76.298026][ T981] ? __pfx_lock_release+0x10/0x10 [ 76.298043][ T981] ? do_raw_spin_lock+0x14f/0x370 [ 76.298073][ T981] ? srso_return_thunk+0x5/0x5f [ 76.298093][ T981] ? do_raw_spin_unlock+0x13c/0x8b0 [ 76.298120][ T981] ? console_flush_all+0x3a8/0xfd0 [ 76.298147][ T981] console_flush_all+0x810/0xfd0 [ 76.298171][ T981] ? console_flush_all+0x152/0xfd0 [ 76.298199][ T981] ? console_flush_all+0x152/0xfd0 [ 76.298231][ T981] ? __pfx_console_flush_all+0x10/0x10 [ 76.298259][ T981] ? __pfx_lock_acquire+0x10/0x10 [ 76.298279][ T981] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 76.298308][ T981] ? srso_return_thunk+0x5/0x5f [ 76.298328][ T981] ? validate_chain+0x15a2/0x58e0 [ 76.298353][ T981] console_unlock+0x13b/0x4d0 [ 76.298384][ T981] ? __pfx_console_unlock+0x10/0x10 [ 76.298406][ T981] ? _printk+0xd5/0x120 [ 76.298431][ T981] ? _printk+0xd5/0x120 [ 76.298455][ T981] ? __pfx___down_trylock_console_sem+0x10/0x10 [ 76.298483][ T981] ? __pfx_validate_chain+0x10/0x10 [ 76.298509][ T981] vprintk_emit+0x5a6/0x770 [ 76.298534][ T981] ? __pfx_vprintk_emit+0x10/0x10 [ 76.298560][ T981] ? srso_return_thunk+0x5/0x5f [ 76.298580][ T981] ? lockdep_unlock+0x16a/0x300 [ 76.298611][ T981] _printk+0xd5/0x120 [ 76.298638][ T981] ? report_bug+0x25e/0x500 [ 76.298658][ T981] ? __pfx__printk+0x10/0x10 [ 76.298685][ T981] ? srso_return_thunk+0x5/0x5f [ 76.298705][ T981] ? __lock_acquire+0x1346/0x1fd0 [ 76.298723][ T981] ? srso_return_thunk+0x5/0x5f [ 76.298743][ T981] ? find_bug+0xa3/0x390 [ 76.298761][ T981] ? __local_bh_enable_ip+0x1be/0x200 [ 76.298782][ T981] report_bug+0x346/0x500 [ 76.298802][ T981] ? __local_bh_enable_ip+0x1be/0x200 [ 76.298822][ T981] handle_bug+0x3e/0x70 [ 76.298840][ T981] exc_invalid_op+0x1a/0x50 [ 76.298858][ T981] asm_exc_invalid_op+0x1a/0x20 [ 76.298879][ T981] RIP: 0010:__local_bh_enable_ip+0x1be/0x200 [ 76.298898][ T981] Code: 3b 44 24 60 75 52 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 b3 da 25 0a 90 0f 0b 90 e9 ca fe ff ff e8 55 00 00 00 eb 9c 90 <0f> 0b 90 e9 fa fe ff ff 48 c7 c1 9c 6d 87 8f 80 e1 07 80 c1 03 38 [ 76.298912][ T981] RSP: 0018:ffffc90003f474a0 EFLAGS: 00010046 [ 76.298927][ T981] RAX: 0000000000000000 RBX: 1ffff920007e8e98 RCX: 0000000000000000 [ 76.298939][ T981] RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff896400ba [ 76.298950][ T981] RBP: ffffc90003f47560 R08: ffff88802bb541eb R09: 1ffff1100576a83d [ 76.298964][ T981] R10: dffffc0000000000 R11: ffffed100576a83e R12: dffffc0000000000 [ 76.298977][ T981] R13: ffff888018e80800 R14: ffffc90003f474e0 R15: 0000000000000201 [ 76.298995][ T981] ? sock_map_delete_elem+0xca/0x140 [ 76.299022][ T981] ? sock_map_delete_elem+0xca/0x140 [ 76.299046][ T981] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 76.299064][ T981] ? sock_map_delete_elem+0xca/0x140 [ 76.299087][ T981] ? srso_return_thunk+0x5/0x5f [ 76.299107][ T981] ? do_raw_spin_unlock+0x13c/0x8b0 [ 76.299133][ T981] ? arch_irq_work_raise+0x6f/0x80 [ 76.299157][ T981] ? sock_map_delete_elem+0x97/0x140 [ 76.299183][ T981] sock_map_delete_elem+0xca/0x140 [ 76.299209][ T981] bpf_prog_d247abf228e51871+0x69/0x71 [ 76.299226][ T981] bpf_trace_run2+0x206/0x420 [ 76.299247][ T981] ? bpf_trace_run2+0x114/0x420 [ 76.299268][ T981] ? __pfx_bpf_trace_run2+0x10/0x10 [ 76.299288][ T981] ? srso_return_thunk+0x5/0x5f [ 76.299310][ T981] ? srso_return_thunk+0x5/0x5f [ 76.299334][ T981] kthread_insert_work+0x3f4/0x460 [ 76.299359][ T981] kthread_queue_work+0xff/0x180 [ 76.299387][ T981] synchronize_rcu_expedited+0x593/0x820 [ 76.299411][ T981] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 76.299434][ T981] ? __pfx_validate_chain+0x10/0x10 [ 76.299455][ T981] ? srso_return_thunk+0x5/0x5f [ 76.299475][ T981] ? mark_lock+0x9a/0x350 [ 76.299496][ T981] ? srso_return_thunk+0x5/0x5f [ 76.299516][ T981] ? __lock_acquire+0x1346/0x1fd0 [ 76.299536][ T981] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 76.299557][ T981] ? srso_return_thunk+0x5/0x5f [ 76.299580][ T981] ? srso_return_thunk+0x5/0x5f [ 76.299601][ T981] ? srso_return_thunk+0x5/0x5f [ 76.299629][ T981] ? __pfx___might_resched+0x10/0x10 [ 76.299655][ T981] ? srso_return_thunk+0x5/0x5f [ 76.299679][ T981] synchronize_rcu+0x136/0x3e0 [ 76.299700][ T981] ? __pfx_synchronize_rcu+0x10/0x10 [ 76.299727][ T981] ? srso_return_thunk+0x5/0x5f [ 76.299752][ T981] ? __pfx_lock_acquire+0x10/0x10 [ 76.299770][ T981] ? srso_return_thunk+0x5/0x5f [ 76.299790][ T981] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 76.299811][ T981] sock_map_free+0x29/0x3e0 [ 76.299837][ T981] bpf_map_free_deferred+0xe8/0x110 [ 76.299858][ T981] ? process_scheduled_works+0x91b/0x1770 [ 76.299876][ T981] process_scheduled_works+0xa02/0x1770 [ 76.299909][ T981] ? __pfx_process_scheduled_works+0x10/0x10 [ 76.299932][ T981] ? assign_work+0x364/0x3d0 [ 76.299952][ T981] worker_thread+0x86d/0xd70 [ 76.299976][ T981] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 76.300006][ T981] ? __kthread_parkme+0x169/0x1d0 [ 76.300028][ T981] ? __pfx_worker_thread+0x10/0x10 [ 76.300047][ T981] kthread+0x2f2/0x390 [ 76.300069][ T981] ? __pfx_worker_thread+0x10/0x10 [ 76.300088][ T981] ? __pfx_kthread+0x10/0x10 [ 76.300110][ T981] ret_from_fork+0x4d/0x80 [ 76.300136][ T981] ? __pfx_kthread+0x10/0x10 [ 76.300158][ T981] ret_from_fork_asm+0x1a/0x30 [ 76.300192][ T981] [ 77.740227][ T981] WARNING: CPU: 0 PID: 981 at kernel/softirq.c:362 __local_bh_enable_ip+0x1be/0x200 [ 77.749631][ T981] Modules linked in: [ 77.753570][ T981] CPU: 0 PID: 981 Comm: kworker/u8:5 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 77.763295][ T981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 77.773359][ T981] Workqueue: events_unbound bpf_map_free_deferred [ 77.779797][ T981] RIP: 0010:__local_bh_enable_ip+0x1be/0x200 [ 77.785814][ T981] Code: 3b 44 24 60 75 52 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 b3 da 25 0a 90 0f 0b 90 e9 ca fe ff ff e8 55 00 00 00 eb 9c 90 <0f> 0b 90 e9 fa fe ff ff 48 c7 c1 9c 6d 87 8f 80 e1 07 80 c1 03 38 [ 77.805441][ T981] RSP: 0018:ffffc90003f474a0 EFLAGS: 00010046 [ 77.811523][ T981] RAX: 0000000000000000 RBX: 1ffff920007e8e98 RCX: 0000000000000000 [ 77.819501][ T981] RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff896400ba [ 77.827482][ T981] RBP: ffffc90003f47560 R08: ffff88802bb541eb R09: 1ffff1100576a83d [ 77.835466][ T981] R10: dffffc0000000000 R11: ffffed100576a83e R12: dffffc0000000000 [ 77.843460][ T981] R13: ffff888018e80800 R14: ffffc90003f474e0 R15: 0000000000000201 [ 77.851440][ T981] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 77.860382][ T981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.866977][ T981] CR2: 00007f3b4bf020d0 CR3: 000000000df32000 CR4: 0000000000350ef0 [ 77.875083][ T981] Call Trace: [ 77.878367][ T981] [ 77.881300][ T981] ? __warn+0x163/0x4b0 [ 77.885483][ T981] ? __local_bh_enable_ip+0x1be/0x200 [ 77.890867][ T981] ? report_bug+0x2b3/0x500 [ 77.895476][ T981] ? __local_bh_enable_ip+0x1be/0x200 [ 77.900865][ T981] ? handle_bug+0x3e/0x70 [ 77.905210][ T981] ? exc_invalid_op+0x1a/0x50 [ 77.909900][ T981] ? asm_exc_invalid_op+0x1a/0x20 [ 77.914946][ T981] ? sock_map_delete_elem+0xca/0x140 [ 77.920252][ T981] ? __local_bh_enable_ip+0x1be/0x200 [ 77.925901][ T981] ? sock_map_delete_elem+0xca/0x140 [ 77.931212][ T981] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 77.936946][ T981] ? sock_map_delete_elem+0xca/0x140 [ 77.942250][ T981] ? srso_return_thunk+0x5/0x5f [ 77.947125][ T981] ? do_raw_spin_unlock+0x13c/0x8b0 [ 77.952360][ T981] ? arch_irq_work_raise+0x6f/0x80 [ 77.957492][ T981] ? sock_map_delete_elem+0x97/0x140 [ 77.962798][ T981] sock_map_delete_elem+0xca/0x140 [ 77.967929][ T981] bpf_prog_d247abf228e51871+0x69/0x71 [ 77.973397][ T981] bpf_trace_run2+0x206/0x420 [ 77.978216][ T981] ? bpf_trace_run2+0x114/0x420 [ 77.983077][ T981] ? __pfx_bpf_trace_run2+0x10/0x10 [ 77.988287][ T981] ? srso_return_thunk+0x5/0x5f [ 77.993153][ T981] ? srso_return_thunk+0x5/0x5f [ 77.998020][ T981] kthread_insert_work+0x3f4/0x460 [ 78.003154][ T981] kthread_queue_work+0xff/0x180 [ 78.008115][ T981] synchronize_rcu_expedited+0x593/0x820 [ 78.013794][ T981] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 78.019970][ T981] ? __pfx_validate_chain+0x10/0x10 [ 78.025205][ T981] ? srso_return_thunk+0x5/0x5f [ 78.030070][ T981] ? mark_lock+0x9a/0x350 [ 78.034422][ T981] ? srso_return_thunk+0x5/0x5f [ 78.039286][ T981] ? __lock_acquire+0x1346/0x1fd0 [ 78.044331][ T981] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 78.049634][ T981] ? srso_return_thunk+0x5/0x5f [ 78.054546][ T981] ? srso_return_thunk+0x5/0x5f [ 78.059415][ T981] ? srso_return_thunk+0x5/0x5f [ 78.064288][ T981] ? __pfx___might_resched+0x10/0x10 [ 78.069598][ T981] ? srso_return_thunk+0x5/0x5f [ 78.074472][ T981] synchronize_rcu+0x136/0x3e0 [ 78.079249][ T981] ? __pfx_synchronize_rcu+0x10/0x10 [ 78.084561][ T981] ? srso_return_thunk+0x5/0x5f [ 78.089444][ T981] ? __pfx_lock_acquire+0x10/0x10 [ 78.094513][ T981] ? srso_return_thunk+0x5/0x5f [ 78.099378][ T981] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 78.105408][ T981] sock_map_free+0x29/0x3e0 [ 78.109953][ T981] bpf_map_free_deferred+0xe8/0x110 [ 78.115176][ T981] ? process_scheduled_works+0x91b/0x1770 [ 78.120913][ T981] process_scheduled_works+0xa02/0x1770 [ 78.126489][ T981] ? __pfx_process_scheduled_works+0x10/0x10 [ 78.132490][ T981] ? assign_work+0x364/0x3d0 [ 78.137091][ T981] worker_thread+0x86d/0xd70 [ 78.141699][ T981] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 78.147631][ T981] ? __kthread_parkme+0x169/0x1d0 [ 78.152672][ T981] ? __pfx_worker_thread+0x10/0x10 [ 78.157803][ T981] kthread+0x2f2/0x390 [ 78.161889][ T981] ? __pfx_worker_thread+0x10/0x10 [ 78.167014][ T981] ? __pfx_kthread+0x10/0x10 [ 78.171618][ T981] ret_from_fork+0x4d/0x80 [ 78.176082][ T981] ? __pfx_kthread+0x10/0x10 [ 78.180686][ T981] ret_from_fork_asm+0x1a/0x30 [ 78.185488][ T981] [ 78.188512][ T981] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 78.195792][ T981] CPU: 0 PID: 981 Comm: kworker/u8:5 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 78.205520][ T981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 78.215593][ T981] Workqueue: events_unbound bpf_map_free_deferred [ 78.222043][ T981] Call Trace: [ 78.225352][ T981] [ 78.228288][ T981] dump_stack_lvl+0x241/0x360 [ 78.232995][ T981] ? __pfx_dump_stack_lvl+0x10/0x10 [ 78.238215][ T981] ? __pfx__printk+0x10/0x10 [ 78.242834][ T981] ? srso_return_thunk+0x5/0x5f [ 78.247784][ T981] ? vscnprintf+0x5d/0x90 [ 78.252128][ T981] panic+0x349/0x860 [ 78.256049][ T981] ? srso_return_thunk+0x5/0x5f [ 78.260922][ T981] ? __warn+0x172/0x4b0 [ 78.265098][ T981] ? __pfx_panic+0x10/0x10 [ 78.269547][ T981] ? ret_from_fork_asm+0x1a/0x30 [ 78.274518][ T981] __warn+0x31e/0x4b0 [ 78.278519][ T981] ? __local_bh_enable_ip+0x1be/0x200 [ 78.283901][ T981] report_bug+0x2b3/0x500 [ 78.288247][ T981] ? __local_bh_enable_ip+0x1be/0x200 [ 78.293629][ T981] handle_bug+0x3e/0x70 [ 78.297797][ T981] exc_invalid_op+0x1a/0x50 [ 78.302314][ T981] asm_exc_invalid_op+0x1a/0x20 [ 78.307178][ T981] RIP: 0010:__local_bh_enable_ip+0x1be/0x200 [ 78.313171][ T981] Code: 3b 44 24 60 75 52 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 b3 da 25 0a 90 0f 0b 90 e9 ca fe ff ff e8 55 00 00 00 eb 9c 90 <0f> 0b 90 e9 fa fe ff ff 48 c7 c1 9c 6d 87 8f 80 e1 07 80 c1 03 38 [ 78.332787][ T981] RSP: 0018:ffffc90003f474a0 EFLAGS: 00010046 [ 78.338864][ T981] RAX: 0000000000000000 RBX: 1ffff920007e8e98 RCX: 0000000000000000 [ 78.346869][ T981] RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff896400ba [ 78.354849][ T981] RBP: ffffc90003f47560 R08: ffff88802bb541eb R09: 1ffff1100576a83d [ 78.362827][ T981] R10: dffffc0000000000 R11: ffffed100576a83e R12: dffffc0000000000 [ 78.370806][ T981] R13: ffff888018e80800 R14: ffffc90003f474e0 R15: 0000000000000201 [ 78.378819][ T981] ? sock_map_delete_elem+0xca/0x140 [ 78.384131][ T981] ? sock_map_delete_elem+0xca/0x140 [ 78.389432][ T981] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 78.395157][ T981] ? sock_map_delete_elem+0xca/0x140 [ 78.400459][ T981] ? srso_return_thunk+0x5/0x5f [ 78.405320][ T981] ? do_raw_spin_unlock+0x13c/0x8b0 [ 78.410534][ T981] ? arch_irq_work_raise+0x6f/0x80 [ 78.415663][ T981] ? sock_map_delete_elem+0x97/0x140 [ 78.420963][ T981] sock_map_delete_elem+0xca/0x140 [ 78.426149][ T981] bpf_prog_d247abf228e51871+0x69/0x71 [ 78.431686][ T981] bpf_trace_run2+0x206/0x420 [ 78.436434][ T981] ? bpf_trace_run2+0x114/0x420 [ 78.441302][ T981] ? __pfx_bpf_trace_run2+0x10/0x10 [ 78.446532][ T981] ? srso_return_thunk+0x5/0x5f [ 78.451411][ T981] ? srso_return_thunk+0x5/0x5f [ 78.456292][ T981] kthread_insert_work+0x3f4/0x460 [ 78.461429][ T981] kthread_queue_work+0xff/0x180 [ 78.466386][ T981] synchronize_rcu_expedited+0x593/0x820 [ 78.472040][ T981] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 78.478212][ T981] ? __pfx_validate_chain+0x10/0x10 [ 78.483427][ T981] ? srso_return_thunk+0x5/0x5f [ 78.488293][ T981] ? mark_lock+0x9a/0x350 [ 78.492669][ T981] ? srso_return_thunk+0x5/0x5f [ 78.497540][ T981] ? __lock_acquire+0x1346/0x1fd0 [ 78.502601][ T981] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 78.507898][ T981] ? srso_return_thunk+0x5/0x5f [ 78.512774][ T981] ? srso_return_thunk+0x5/0x5f [ 78.517636][ T981] ? srso_return_thunk+0x5/0x5f [ 78.522502][ T981] ? __pfx___might_resched+0x10/0x10 [ 78.527895][ T981] ? srso_return_thunk+0x5/0x5f [ 78.532766][ T981] synchronize_rcu+0x136/0x3e0 [ 78.537552][ T981] ? __pfx_synchronize_rcu+0x10/0x10 [ 78.542858][ T981] ? srso_return_thunk+0x5/0x5f [ 78.547726][ T981] ? __pfx_lock_acquire+0x10/0x10 [ 78.552771][ T981] ? srso_return_thunk+0x5/0x5f [ 78.558191][ T981] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 78.564207][ T981] sock_map_free+0x29/0x3e0 [ 78.568747][ T981] bpf_map_free_deferred+0xe8/0x110 [ 78.573977][ T981] ? process_scheduled_works+0x91b/0x1770 [ 78.579718][ T981] process_scheduled_works+0xa02/0x1770 [ 78.585312][ T981] ? __pfx_process_scheduled_works+0x10/0x10 [ 78.591319][ T981] ? assign_work+0x364/0x3d0 [ 78.595941][ T981] worker_thread+0x86d/0xd70 [ 78.600558][ T981] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 78.606485][ T981] ? __kthread_parkme+0x169/0x1d0 [ 78.611526][ T981] ? __pfx_worker_thread+0x10/0x10 [ 78.616652][ T981] kthread+0x2f2/0x390 [ 78.620767][ T981] ? __pfx_worker_thread+0x10/0x10 [ 78.625931][ T981] ? __pfx_kthread+0x10/0x10 [ 78.630542][ T981] ret_from_fork+0x4d/0x80 [ 78.634984][ T981] ? __pfx_kthread+0x10/0x10 [ 78.639588][ T981] ret_from_fork_asm+0x1a/0x30 [ 78.644390][ T981] [ 78.647751][ T981] Kernel Offset: disabled [ 78.652169][ T981] Rebooting in 86400 seconds..