Warning: Permanently added '10.128.0.75' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 68.586940][ T3216] [ 68.589334][ T3216] ===================================================== [ 68.596269][ T3216] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected [ 68.603732][ T3216] 6.1.82-syzkaller #0 Not tainted [ 68.608750][ T3216] ----------------------------------------------------- [ 68.615690][ T3216] dhcpcd/3216 [HC0[0]:SC0[2]:HE0:SE0] is trying to acquire: [ 68.622975][ T3216] ffff88807b55da40 (&stab->lock){+...}-{2:2}, at: sock_map_delete_elem+0x97/0x130 [ 68.632253][ T3216] [ 68.632253][ T3216] and this task is already holding: [ 68.639617][ T3216] ffff8880b993aa18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 [ 68.649193][ T3216] which would create a new lock dependency: [ 68.655073][ T3216] (&rq->__lock){-.-.}-{2:2} -> (&stab->lock){+...}-{2:2} [ 68.662215][ T3216] [ 68.662215][ T3216] but this new dependency connects a HARDIRQ-irq-safe lock: [ 68.671773][ T3216] (&rq->__lock){-.-.}-{2:2} [ 68.671794][ T3216] [ 68.671794][ T3216] ... which became HARDIRQ-irq-safe at: [ 68.684084][ T3216] lock_acquire+0x1f8/0x5a0 [ 68.688679][ T3216] _raw_spin_lock_nested+0x2d/0x40 [ 68.693885][ T3216] raw_spin_rq_lock_nested+0x26/0x140 [ 68.699346][ T3216] scheduler_tick+0x9d/0x550 [ 68.704043][ T3216] update_process_times+0x17b/0x1b0 [ 68.709340][ T3216] tick_periodic+0x197/0x210 [ 68.714024][ T3216] tick_handle_periodic+0x46/0x150 [ 68.719235][ T3216] timer_interrupt+0x4d/0x60 [ 68.723922][ T3216] __handle_irq_event_percpu+0x2a8/0xb20 [ 68.729647][ T3216] handle_irq_event+0x85/0x1e0 [ 68.734503][ T3216] handle_edge_irq+0x245/0xbf0 [ 68.739364][ T3216] __common_interrupt+0xd7/0x1f0 [ 68.744413][ T3216] common_interrupt+0x9f/0xc0 [ 68.749189][ T3216] asm_common_interrupt+0x22/0x40 [ 68.754300][ T3216] console_emit_next_record+0xc69/0xea0 [ 68.759938][ T3216] console_unlock+0x278/0x7c0 [ 68.764728][ T3216] vprintk_emit+0x523/0x740 [ 68.769321][ T3216] _printk+0xd1/0x111 [ 68.773481][ T3216] spectre_v2_select_mitigation+0x4b9/0x748 [ 68.779463][ T3216] cpu_select_mitigations+0x3d/0x8f [ 68.784745][ T3216] arch_cpu_finalize_init+0xf/0x81 [ 68.789935][ T3216] start_kernel+0x423/0x53f [ 68.794526][ T3216] secondary_startup_64_no_verify+0xcf/0xdb [ 68.800503][ T3216] [ 68.800503][ T3216] to a HARDIRQ-irq-unsafe lock: [ 68.807520][ T3216] (&stab->lock){+...}-{2:2} [ 68.807542][ T3216] [ 68.807542][ T3216] ... which became HARDIRQ-irq-unsafe at: [ 68.819985][ T3216] ... [ 68.819992][ T3216] lock_acquire+0x1f8/0x5a0 [ 68.827168][ T3216] _raw_spin_lock_bh+0x31/0x40 [ 68.832017][ T3216] sock_map_delete_elem+0x97/0x130 [ 68.837223][ T3216] 0xffffffffa0001b22 [ 68.841285][ T3216] bpf_trace_run2+0x1fd/0x410 [ 68.846043][ T3216] trace_contention_begin+0x12f/0x170 [ 68.851500][ T3216] __mutex_lock+0x143/0xd80 [ 68.856099][ T3216] futex_exit_release+0x30/0x1e0 [ 68.861124][ T3216] exit_mm_release+0x16/0x30 [ 68.865796][ T3216] exit_mm+0xa9/0x300 [ 68.869863][ T3216] do_exit+0x9f6/0x26a0 [ 68.874111][ T3216] do_group_exit+0x202/0x2b0 [ 68.878793][ T3216] __x64_sys_exit_group+0x3b/0x40 [ 68.883920][ T3216] do_syscall_64+0x3d/0xb0 [ 68.888426][ T3216] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 68.894420][ T3216] [ 68.894420][ T3216] other info that might help us debug this: [ 68.894420][ T3216] [ 68.904645][ T3216] Possible interrupt unsafe locking scenario: [ 68.904645][ T3216] [ 68.912958][ T3216] CPU0 CPU1 [ 68.918316][ T3216] ---- ---- [ 68.923671][ T3216] lock(&stab->lock); [ 68.927821][ T3216] local_irq_disable(); [ 68.934565][ T3216] lock(&rq->__lock); [ 68.941154][ T3216] lock(&stab->lock); [ 68.947741][ T3216] [ 68.951189][ T3216] lock(&rq->__lock); [ 68.955433][ T3216] [ 68.955433][ T3216] *** DEADLOCK *** [ 68.955433][ T3216] [ 68.963566][ T3216] 5 locks held by dhcpcd/3216: [ 68.968325][ T3216] #0: ffffffff8d12a940 (rcu_read_lock){....}-{1:2}, at: sock_def_readable+0x1d/0x280 [ 68.977908][ T3216] #1: ffff888074d6b658 (&ei->socket.wq.wait){..-.}-{2:2}, at: __wake_up_sync_key+0xf5/0x1c0 [ 68.988095][ T3216] #2: ffff888028e90a18 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0xad/0x12e0 [ 68.997330][ T3216] #3: ffff8880b993aa18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 [ 69.007255][ T3216] #4: ffffffff8d12a940 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x110/0x410 [ 69.016659][ T3216] [ 69.016659][ T3216] the dependencies between HARDIRQ-irq-safe lock and the holding lock: [ 69.027063][ T3216] -> (&rq->__lock){-.-.}-{2:2} { [ 69.032020][ T3216] IN-HARDIRQ-W at: [ 69.035997][ T3216] lock_acquire+0x1f8/0x5a0 [ 69.042163][ T3216] _raw_spin_lock_nested+0x2d/0x40 [ 69.048930][ T3216] raw_spin_rq_lock_nested+0x26/0x140 [ 69.055955][ T3216] scheduler_tick+0x9d/0x550 [ 69.062203][ T3216] update_process_times+0x17b/0x1b0 [ 69.069073][ T3216] tick_periodic+0x197/0x210 [ 69.075323][ T3216] tick_handle_periodic+0x46/0x150 [ 69.082092][ T3216] timer_interrupt+0x4d/0x60 [ 69.088336][ T3216] __handle_irq_event_percpu+0x2a8/0xb20 [ 69.095619][ T3216] handle_irq_event+0x85/0x1e0 [ 69.102029][ T3216] handle_edge_irq+0x245/0xbf0 [ 69.108448][ T3216] __common_interrupt+0xd7/0x1f0 [ 69.115042][ T3216] common_interrupt+0x9f/0xc0 [ 69.121374][ T3216] asm_common_interrupt+0x22/0x40 [ 69.128051][ T3216] console_emit_next_record+0xc69/0xea0 [ 69.135260][ T3216] console_unlock+0x278/0x7c0 [ 69.141599][ T3216] vprintk_emit+0x523/0x740 [ 69.147758][ T3216] _printk+0xd1/0x111 [ 69.153396][ T3216] spectre_v2_select_mitigation+0x4b9/0x748 [ 69.160938][ T3216] cpu_select_mitigations+0x3d/0x8f [ 69.167774][ T3216] arch_cpu_finalize_init+0xf/0x81 [ 69.174530][ T3216] start_kernel+0x423/0x53f [ 69.180724][ T3216] secondary_startup_64_no_verify+0xcf/0xdb [ 69.188268][ T3216] IN-SOFTIRQ-W at: [ 69.192274][ T3216] lock_acquire+0x1f8/0x5a0 [ 69.198434][ T3216] _raw_spin_lock_nested+0x2d/0x40 [ 69.205218][ T3216] raw_spin_rq_lock_nested+0x26/0x140 [ 69.212256][ T3216] try_to_wake_up+0x5bd/0x12e0 [ 69.218696][ T3216] __queue_work+0xb4b/0xf90 [ 69.224859][ T3216] call_timer_fn+0x1ad/0x6b0 [ 69.231101][ T3216] __run_timers+0x6a8/0x890 [ 69.237256][ T3216] run_timer_softirq+0x63/0xf0 [ 69.243670][ T3216] __do_softirq+0x2e9/0xa4c [ 69.249829][ T3216] __irq_exit_rcu+0x155/0x240 [ 69.256166][ T3216] irq_exit_rcu+0x5/0x20 [ 69.262196][ T3216] sysvec_apic_timer_interrupt+0x91/0xb0 [ 69.269491][ T3216] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 69.277129][ T3216] default_idle+0xb/0x10 [ 69.283021][ T3216] default_idle_call+0x84/0xc0 [ 69.289434][ T3216] do_idle+0x251/0x680 [ 69.295159][ T3216] cpu_startup_entry+0x3d/0x60 [ 69.301585][ T3216] rest_init+0x2da/0x300 [ 69.307562][ T3216] start_kernel+0x0/0x53f [ 69.313558][ T3216] start_kernel+0x496/0x53f [ 69.319735][ T3216] secondary_startup_64_no_verify+0xcf/0xdb [ 69.327292][ T3216] INITIAL USE at: [ 69.331181][ T3216] lock_acquire+0x1f8/0x5a0 [ 69.337255][ T3216] _raw_spin_lock_nested+0x2d/0x40 [ 69.343951][ T3216] raw_spin_rq_lock_nested+0x26/0x140 [ 69.350885][ T3216] rq_attach_root+0xec/0x540 [ 69.357047][ T3216] sched_init+0x6c7/0xcc9 [ 69.362943][ T3216] start_kernel+0x1bf/0x53f [ 69.369033][ T3216] secondary_startup_64_no_verify+0xcf/0xdb [ 69.376495][ T3216] } [ 69.378989][ T3216] ... key at: [] sched_init.__key+0x0/0x20 [ 69.386889][ T3216] [ 69.386889][ T3216] the dependencies between the lock to be acquired [ 69.386898][ T3216] and HARDIRQ-irq-unsafe lock: [ 69.400409][ T3216] -> (&stab->lock){+...}-{2:2} { [ 69.405362][ T3216] HARDIRQ-ON-W at: [ 69.409338][ T3216] lock_acquire+0x1f8/0x5a0 [ 69.415499][ T3216] _raw_spin_lock_bh+0x31/0x40 [ 69.421914][ T3216] sock_map_delete_elem+0x97/0x130 [ 69.428697][ T3216] 0xffffffffa0001b22 [ 69.434324][ T3216] bpf_trace_run2+0x1fd/0x410 [ 69.440651][ T3216] trace_contention_begin+0x12f/0x170 [ 69.447679][ T3216] __mutex_lock+0x143/0xd80 [ 69.453849][ T3216] futex_exit_release+0x30/0x1e0 [ 69.460435][ T3216] exit_mm_release+0x16/0x30 [ 69.466935][ T3216] exit_mm+0xa9/0x300 [ 69.472582][ T3216] do_exit+0x9f6/0x26a0 [ 69.478394][ T3216] do_group_exit+0x202/0x2b0 [ 69.484638][ T3216] __x64_sys_exit_group+0x3b/0x40 [ 69.491339][ T3216] do_syscall_64+0x3d/0xb0 [ 69.497414][ T3216] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 69.504960][ T3216] INITIAL USE at: [ 69.508850][ T3216] lock_acquire+0x1f8/0x5a0 [ 69.514921][ T3216] _raw_spin_lock_bh+0x31/0x40 [ 69.521249][ T3216] sock_map_delete_elem+0x97/0x130 [ 69.527931][ T3216] 0xffffffffa0001b22 [ 69.533484][ T3216] bpf_trace_run2+0x1fd/0x410 [ 69.539738][ T3216] trace_contention_begin+0x12f/0x170 [ 69.546718][ T3216] __mutex_lock+0x143/0xd80 [ 69.552801][ T3216] futex_exit_release+0x30/0x1e0 [ 69.559310][ T3216] exit_mm_release+0x16/0x30 [ 69.565471][ T3216] exit_mm+0xa9/0x300 [ 69.571025][ T3216] do_exit+0x9f6/0x26a0 [ 69.576750][ T3216] do_group_exit+0x202/0x2b0 [ 69.582931][ T3216] __x64_sys_exit_group+0x3b/0x40 [ 69.589540][ T3216] do_syscall_64+0x3d/0xb0 [ 69.595530][ T3216] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 69.602997][ T3216] } [ 69.605495][ T3216] ... key at: [] sock_map_alloc.__key+0x0/0x20 [ 69.613744][ T3216] ... acquired at: [ 69.617549][ T3216] lock_acquire+0x1f8/0x5a0 [ 69.622266][ T3216] _raw_spin_lock_bh+0x31/0x40 [ 69.627214][ T3216] sock_map_delete_elem+0x97/0x130 [ 69.632510][ T3216] bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e [ 69.638144][ T3216] bpf_trace_run2+0x1fd/0x410 [ 69.643008][ T3216] trace_contention_begin+0x14f/0x1a0 [ 69.648556][ T3216] __pv_queued_spin_lock_slowpath+0x111/0xc50 [ 69.654799][ T3216] queued_spin_lock_slowpath+0x42/0x50 [ 69.660453][ T3216] do_raw_spin_lock+0x269/0x370 [ 69.665473][ T3216] raw_spin_rq_lock_nested+0x26/0x140 [ 69.671012][ T3216] try_to_wake_up+0x5bd/0x12e0 [ 69.675968][ T3216] pollwake+0x1d0/0x280 [ 69.680290][ T3216] __wake_up_common+0x2a0/0x4e0 [ 69.685318][ T3216] __wake_up_sync_key+0x114/0x1c0 [ 69.690521][ T3216] sock_def_readable+0x15b/0x280 [ 69.695634][ T3216] unix_dgram_sendmsg+0x1539/0x2050 [ 69.701023][ T3216] sock_write_iter+0x394/0x4e0 [ 69.705956][ T3216] do_iter_write+0x6e6/0xc50 [ 69.710726][ T3216] do_writev+0x27b/0x460 [ 69.715146][ T3216] do_syscall_64+0x3d/0xb0 [ 69.719765][ T3216] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 69.725853][ T3216] [ 69.728174][ T3216] [ 69.728174][ T3216] stack backtrace: [ 69.734058][ T3216] CPU: 1 PID: 3216 Comm: dhcpcd Not tainted 6.1.82-syzkaller #0 [ 69.741719][ T3216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 69.751780][ T3216] Call Trace: [ 69.755061][ T3216] [ 69.757989][ T3216] dump_stack_lvl+0x1e3/0x2cb [ 69.762676][ T3216] ? nf_tcp_handle_invalid+0x642/0x642 [ 69.768143][ T3216] ? panic+0x75d/0x75d [ 69.772220][ T3216] ? print_shortest_lock_dependencies+0xee/0x150 [ 69.778595][ T3216] validate_chain+0x4d16/0x5950 [ 69.783480][ T3216] ? reacquire_held_locks+0x660/0x660 [ 69.788854][ T3216] ? mark_lock+0x9a/0x340 [ 69.793202][ T3216] ? __lock_acquire+0x125b/0x1f80 [ 69.798237][ T3216] ? mark_lock+0x9a/0x340 [ 69.802605][ T3216] __lock_acquire+0x125b/0x1f80 [ 69.807510][ T3216] lock_acquire+0x1f8/0x5a0 [ 69.812021][ T3216] ? sock_map_delete_elem+0x97/0x130 [ 69.817317][ T3216] ? read_lock_is_recursive+0x10/0x10 [ 69.822699][ T3216] ? __lock_acquire+0x1f80/0x1f80 [ 69.827727][ T3216] ? sock_map_delete_elem+0x97/0x130 [ 69.833015][ T3216] ? __bpf_trace_softirq+0x10/0x10 [ 69.838151][ T3216] ? read_lock_is_recursive+0x10/0x10 [ 69.843531][ T3216] ? sock_map_delete_elem+0x97/0x130 [ 69.848826][ T3216] _raw_spin_lock_bh+0x31/0x40 [ 69.853595][ T3216] ? sock_map_delete_elem+0x97/0x130 [ 69.858887][ T3216] sock_map_delete_elem+0x97/0x130 [ 69.864017][ T3216] bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e [ 69.869472][ T3216] bpf_trace_run2+0x1fd/0x410 [ 69.874161][ T3216] ? bpf_trace_run2+0x110/0x410 [ 69.879014][ T3216] ? bpf_trace_run1+0x3d0/0x3d0 [ 69.883864][ T3216] ? __lock_acquire+0x125b/0x1f80 [ 69.888897][ T3216] trace_contention_begin+0x14f/0x1a0 [ 69.894265][ T3216] __pv_queued_spin_lock_slowpath+0x111/0xc50 [ 69.900340][ T3216] ? __pv_queued_spin_unlock_slowpath+0x2e0/0x2e0 [ 69.906766][ T3216] queued_spin_lock_slowpath+0x42/0x50 [ 69.912225][ T3216] do_raw_spin_lock+0x269/0x370 [ 69.917086][ T3216] ? __rwlock_init+0x140/0x140 [ 69.921851][ T3216] ? balance_fair+0x70/0x70 [ 69.926363][ T3216] ? _raw_spin_lock_irqsave+0xdd/0x120 [ 69.931831][ T3216] raw_spin_rq_lock_nested+0x26/0x140 [ 69.937217][ T3216] try_to_wake_up+0x5bd/0x12e0 [ 69.941991][ T3216] ? cpu_curr_snapshot+0xd0/0xd0 [ 69.946942][ T3216] ? read_lock_is_recursive+0x10/0x10 [ 69.952325][ T3216] pollwake+0x1d0/0x280 [ 69.956502][ T3216] ? __x64_compat_sys_ppoll_time64+0xc0/0xc0 [ 69.962488][ T3216] ? do_task_dead+0xd0/0xd0 [ 69.967121][ T3216] ? _raw_spin_lock_irqsave+0xac/0x120 [ 69.972588][ T3216] __wake_up_common+0x2a0/0x4e0 [ 69.977453][ T3216] __wake_up_sync_key+0x114/0x1c0 [ 69.982502][ T3216] ? __wake_up_locked_key_bookmark+0x20/0x20 [ 69.988497][ T3216] ? sock_def_readable+0x1d/0x280 [ 69.993529][ T3216] sock_def_readable+0x15b/0x280 [ 69.998475][ T3216] unix_dgram_sendmsg+0x1539/0x2050 [ 70.003700][ T3216] ? unix_dgram_poll+0x6c0/0x6c0 [ 70.008639][ T3216] ? aa_sock_msg_perm+0x91/0x150 [ 70.013577][ T3216] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 70.018887][ T3216] ? security_socket_sendmsg+0x7d/0xa0 [ 70.024371][ T3216] ? unix_dgram_poll+0x6c0/0x6c0 [ 70.029311][ T3216] sock_write_iter+0x394/0x4e0 [ 70.034072][ T3216] ? sock_read_iter+0x4b0/0x4b0 [ 70.038941][ T3216] ? common_file_perm+0x17d/0x1d0 [ 70.043974][ T3216] ? fsnotify_perm+0x67/0x590 [ 70.048651][ T3216] do_iter_write+0x6e6/0xc50 [ 70.053246][ T3216] ? vfs_iter_write+0xa0/0xa0 [ 70.057932][ T3216] do_writev+0x27b/0x460 [ 70.062197][ T3216] ? do_readv+0x460/0x460 [ 70.066557][ T3216] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 70.072549][ T3216] ? print_irqtrace_events+0x210/0x210 [ 70.078022][ T3216] ? syscall_enter_from_user_mode+0x2e/0x220 [ 70.084000][ T3216] ? lockdep_hardirqs_on+0x94/0x130 [ 70.089197][ T3216] ? syscall_enter_from_user_mode+0x2e/0x220 [ 70.095181][ T3216] do_syscall_64+0x3d/0xb0 [ 70.099613][ T3216] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 70.105520][ T3216] RIP: 0033:0x7f2d3288fe03 [ 70.109933][ T3216] Code: 89 c7 48 89 44 24 08 e8 6a f2 f9 ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 14 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6d 48 8b 15 f6 5f 0d 00 f7 d8 64 89 02 48 83 [ 70.129540][ T3216] RSP: 002b:00007ffc8e975c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 70.137954][ T3216] RAX: ffffffffffffffda RBX: 00007ffc8e996088 RCX: 00007f2d3288fe03 [ 70.145927][ T3216] RDX: 0000000000000005 RSI: 00007ffc8e975c40 RDI: 0000000000000005 [ 70.153899][ T3216] RBP: 00007ffc8e996088 R08: 0000000000000005 R09: 00007ffc8e975c80 [ 70.161872][ T3216] R10: 00007ffc8e975c88 R11: 0000000000000246 R12: 000055e19ad820d0 [ 70.169859][ T3216] R13: 00007ffc8e985ec8 R14: 0000000000000148 R15: 0000000000000004 [ 70.177840][ T3216] [ 70.181113][ T3216] ------------[ cut here ]------------ [ 70.186749][ T3216] raw_local_irq_restore() called with IRQs enabled [ 70.193364][ T3216] WARNING: CPU: 1 PID: 3216 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 [ 70.203995][ T3216] Modules linked in: [ 70.207926][ T3216] CPU: 1 PID: 3216 Comm: dhcpcd Not tainted 6.1.82-syzkaller #0 [ 70.215777][ T3216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 70.225838][ T3216] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 70.231821][ T3216] Code: 24 48 c7 c7 80 bb ea 8a e8 1c f5 fd ff 80 3d 4d e4 d5 03 00 74 01 c3 c6 05 43 e4 d5 03 01 48 c7 c7 e0 e5 eb 8a e8 b3 f3 c8 f6 <0f> 0b c3 41 56 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 [ 70.251432][ T3216] RSP: 0018:ffffc900035af458 EFLAGS: 00010246 [ 70.257505][ T3216] RAX: 6f69aef873d19d00 RBX: 1ffff920006b5e90 RCX: ffff8880211b0000 [ 70.265543][ T3216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 70.273546][ T3216] RBP: ffffc900035af4f0 R08: ffffffff81527e8e R09: fffff520006b5ded [ 70.281552][ T3216] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 70.289529][ T3216] R13: 1ffff920006b5e8c R14: ffffc900035af480 R15: 0000000000000046 [ 70.297511][ T3216] FS: 00007f2d327c1740(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 70.306441][ T3216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.313050][ T3216] CR2: 0000555555b2fca8 CR3: 0000000024580000 CR4: 00000000003506e0 [ 70.321051][ T3216] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.329019][ T3216] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.336986][ T3216] Call Trace: [ 70.340254][ T3216] [ 70.343179][ T3216] ? __warn+0x15a/0x520 [ 70.347358][ T3216] ? warn_bogus_irq_restore+0x1d/0x20 [ 70.352728][ T3216] ? report_bug+0x2af/0x500 [ 70.357240][ T3216] ? warn_bogus_irq_restore+0x1d/0x20 [ 70.362607][ T3216] ? handle_bug+0x3d/0x70 [ 70.366973][ T3216] ? exc_invalid_op+0x16/0x40 [ 70.371651][ T3216] ? asm_exc_invalid_op+0x16/0x20 [ 70.376684][ T3216] ? __warn_printk+0x28e/0x350 [ 70.381445][ T3216] ? warn_bogus_irq_restore+0x1d/0x20 [ 70.386815][ T3216] ? warn_bogus_irq_restore+0x1d/0x20 [ 70.392178][ T3216] _raw_spin_unlock_irqrestore+0x118/0x130 [ 70.398007][ T3216] ? _raw_spin_unlock+0x40/0x40 [ 70.402851][ T3216] ? do_raw_spin_unlock+0x137/0x8a0 [ 70.408051][ T3216] ? ttwu_do_activate+0x1b4/0x370 [ 70.413072][ T3216] try_to_wake_up+0x7dd/0x12e0 [ 70.420643][ T3216] ? cpu_curr_snapshot+0xd0/0xd0 [ 70.425598][ T3216] ? read_lock_is_recursive+0x10/0x10 [ 70.430971][ T3216] pollwake+0x1d0/0x280 [ 70.435142][ T3216] ? __x64_compat_sys_ppoll_time64+0xc0/0xc0 [ 70.441138][ T3216] ? do_task_dead+0xd0/0xd0 [ 70.445740][ T3216] ? _raw_spin_lock_irqsave+0xac/0x120 [ 70.451197][ T3216] __wake_up_common+0x2a0/0x4e0 [ 70.456063][ T3216] __wake_up_sync_key+0x114/0x1c0 [ 70.461088][ T3216] ? __wake_up_locked_key_bookmark+0x20/0x20 [ 70.467091][ T3216] ? sock_def_readable+0x1d/0x280 [ 70.472115][ T3216] sock_def_readable+0x15b/0x280 [ 70.477091][ T3216] unix_dgram_sendmsg+0x1539/0x2050 [ 70.482298][ T3216] ? unix_dgram_poll+0x6c0/0x6c0 [ 70.487242][ T3216] ? aa_sock_msg_perm+0x91/0x150 [ 70.492184][ T3216] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 70.497566][ T3216] ? security_socket_sendmsg+0x7d/0xa0 [ 70.503021][ T3216] ? unix_dgram_poll+0x6c0/0x6c0 [ 70.507960][ T3216] sock_write_iter+0x394/0x4e0 [ 70.512720][ T3216] ? sock_read_iter+0x4b0/0x4b0 [ 70.517598][ T3216] ? common_file_perm+0x17d/0x1d0 [ 70.522623][ T3216] ? fsnotify_perm+0x67/0x590 [ 70.527313][ T3216] do_iter_write+0x6e6/0xc50 [ 70.531922][ T3216] ? vfs_iter_write+0xa0/0xa0 [ 70.536617][ T3216] do_writev+0x27b/0x460 [ 70.540853][ T3216] ? do_readv+0x460/0x460 [ 70.545188][ T3216] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 70.551169][ T3216] ? print_irqtrace_events+0x210/0x210 [ 70.556636][ T3216] ? syscall_enter_from_user_mode+0x2e/0x220 [ 70.562620][ T3216] ? lockdep_hardirqs_on+0x94/0x130 [ 70.567822][ T3216] ? syscall_enter_from_user_mode+0x2e/0x220 [ 70.573793][ T3216] do_syscall_64+0x3d/0xb0 [ 70.578218][ T3216] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 70.584107][ T3216] RIP: 0033:0x7f2d3288fe03 [ 70.588524][ T3216] Code: 89 c7 48 89 44 24 08 e8 6a f2 f9 ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 14 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6d 48 8b 15 f6 5f 0d 00 f7 d8 64 89 02 48 83 [ 70.608148][ T3216] RSP: 002b:00007ffc8e975c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 70.616557][ T3216] RAX: ffffffffffffffda RBX: 00007ffc8e996088 RCX: 00007f2d3288fe03 [ 70.624600][ T3216] RDX: 0000000000000005 RSI: 00007ffc8e975c40 RDI: 0000000000000005 [ 70.632610][ T3216] RBP: 00007ffc8e996088 R08: 0000000000000005 R09: 00007ffc8e975c80 [ 70.640668][ T3216] R10: 00007ffc8e975c88 R11: 0000000000000246 R12: 000055e19ad820d0 [ 70.648635][ T3216] R13: 00007ffc8e985ec8 R14: 0000000000000148 R15: 0000000000000004 [ 70.656607][ T3216] [ 70.659616][ T3216] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 70.666892][ T3216] CPU: 1 PID: 3216 Comm: dhcpcd Not tainted 6.1.82-syzkaller #0 [ 70.674512][ T3216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 70.684552][ T3216] Call Trace: [ 70.687906][ T3216] [ 70.690827][ T3216] dump_stack_lvl+0x1e3/0x2cb [ 70.695508][ T3216] ? nf_tcp_handle_invalid+0x642/0x642 [ 70.700965][ T3216] ? panic+0x75d/0x75d [ 70.705032][ T3216] ? vscnprintf+0x59/0x80 [ 70.709355][ T3216] panic+0x318/0x75d [ 70.713247][ T3216] ? __warn+0x169/0x520 [ 70.717413][ T3216] ? memcpy_page_flushcache+0xfc/0xfc [ 70.722805][ T3216] __warn+0x348/0x520 [ 70.726780][ T3216] ? warn_bogus_irq_restore+0x1d/0x20 [ 70.732144][ T3216] report_bug+0x2af/0x500 [ 70.736468][ T3216] ? warn_bogus_irq_restore+0x1d/0x20 [ 70.741832][ T3216] handle_bug+0x3d/0x70 [ 70.745987][ T3216] exc_invalid_op+0x16/0x40 [ 70.750486][ T3216] asm_exc_invalid_op+0x16/0x20 [ 70.755337][ T3216] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 70.761305][ T3216] Code: 24 48 c7 c7 80 bb ea 8a e8 1c f5 fd ff 80 3d 4d e4 d5 03 00 74 01 c3 c6 05 43 e4 d5 03 01 48 c7 c7 e0 e5 eb 8a e8 b3 f3 c8 f6 <0f> 0b c3 41 56 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 [ 70.780917][ T3216] RSP: 0018:ffffc900035af458 EFLAGS: 00010246 [ 70.786974][ T3216] RAX: 6f69aef873d19d00 RBX: 1ffff920006b5e90 RCX: ffff8880211b0000 [ 70.794940][ T3216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 70.803008][ T3216] RBP: ffffc900035af4f0 R08: ffffffff81527e8e R09: fffff520006b5ded [ 70.810970][ T3216] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 70.818930][ T3216] R13: 1ffff920006b5e8c R14: ffffc900035af480 R15: 0000000000000046 [ 70.826894][ T3216] ? __warn_printk+0x28e/0x350 [ 70.831653][ T3216] ? warn_bogus_irq_restore+0x1d/0x20 [ 70.837033][ T3216] _raw_spin_unlock_irqrestore+0x118/0x130 [ 70.842834][ T3216] ? _raw_spin_unlock+0x40/0x40 [ 70.847674][ T3216] ? do_raw_spin_unlock+0x137/0x8a0 [ 70.852864][ T3216] ? ttwu_do_activate+0x1b4/0x370 [ 70.857886][ T3216] try_to_wake_up+0x7dd/0x12e0 [ 70.862649][ T3216] ? cpu_curr_snapshot+0xd0/0xd0 [ 70.867592][ T3216] ? read_lock_is_recursive+0x10/0x10 [ 70.872966][ T3216] pollwake+0x1d0/0x280 [ 70.877132][ T3216] ? __x64_compat_sys_ppoll_time64+0xc0/0xc0 [ 70.883106][ T3216] ? do_task_dead+0xd0/0xd0 [ 70.887608][ T3216] ? _raw_spin_lock_irqsave+0xac/0x120 [ 70.893064][ T3216] __wake_up_common+0x2a0/0x4e0 [ 70.897930][ T3216] __wake_up_sync_key+0x114/0x1c0 [ 70.902953][ T3216] ? __wake_up_locked_key_bookmark+0x20/0x20 [ 70.908938][ T3216] ? sock_def_readable+0x1d/0x280 [ 70.913957][ T3216] sock_def_readable+0x15b/0x280 [ 70.918906][ T3216] unix_dgram_sendmsg+0x1539/0x2050 [ 70.924109][ T3216] ? unix_dgram_poll+0x6c0/0x6c0 [ 70.929062][ T3216] ? aa_sock_msg_perm+0x91/0x150 [ 70.934032][ T3216] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 70.939339][ T3216] ? security_socket_sendmsg+0x7d/0xa0 [ 70.944888][ T3216] ? unix_dgram_poll+0x6c0/0x6c0 [ 70.949822][ T3216] sock_write_iter+0x394/0x4e0 [ 70.954579][ T3216] ? sock_read_iter+0x4b0/0x4b0 [ 70.959430][ T3216] ? common_file_perm+0x17d/0x1d0 [ 70.964454][ T3216] ? fsnotify_perm+0x67/0x590 [ 70.969129][ T3216] do_iter_write+0x6e6/0xc50 [ 70.973716][ T3216] ? vfs_iter_write+0xa0/0xa0 [ 70.978394][ T3216] do_writev+0x27b/0x460 [ 70.982635][ T3216] ? do_readv+0x460/0x460 [ 70.986962][ T3216] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 70.992944][ T3216] ? print_irqtrace_events+0x210/0x210 [ 70.998401][ T3216] ? syscall_enter_from_user_mode+0x2e/0x220 [ 71.004372][ T3216] ? lockdep_hardirqs_on+0x94/0x130 [ 71.009574][ T3216] ? syscall_enter_from_user_mode+0x2e/0x220 [ 71.015546][ T3216] do_syscall_64+0x3d/0xb0 [ 71.019953][ T3216] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 71.025840][ T3216] RIP: 0033:0x7f2d3288fe03 [ 71.030244][ T3216] Code: 89 c7 48 89 44 24 08 e8 6a f2 f9 ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 14 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6d 48 8b 15 f6 5f 0d 00 f7 d8 64 89 02 48 83 [ 71.049840][ T3216] RSP: 002b:00007ffc8e975c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 71.058248][ T3216] RAX: ffffffffffffffda RBX: 00007ffc8e996088 RCX: 00007f2d3288fe03 [ 71.066210][ T3216] RDX: 0000000000000005 RSI: 00007ffc8e975c40 RDI: 0000000000000005 [ 71.074173][ T3216] RBP: 00007ffc8e996088 R08: 0000000000000005 R09: 00007ffc8e975c80 [ 71.082135][ T3216] R10: 00007ffc8e975c88 R11: 0000000000000246 R12: 000055e19ad820d0 [ 71.090097][ T3216] R13: 00007ffc8e985ec8 R14: 0000000000000148 R15: 0000000000000004 [ 71.098104][ T3216] [ 72.254128][ T3216] Shutting down cpus with NMI [ 72.259217][ T3216] Kernel Offset: disabled [ 72.263542][ T3216] Rebooting in 86400 seconds..