DUID 00:04:0a:4f:87:b7:af:93:53:06:11:57:05:50:3c:bb:1e:66 forked to background, child pid 3214 [ 36.912199][ T3215] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.922311][ T3215] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.203' (ED25519) to the list of known hosts. executing program executing program executing program syzkaller login: [ 58.806762][ T934] ------------[ cut here ]------------ [ 58.807314][ T16] [ 58.812773][ T934] WARNING: CPU: 0 PID: 934 at kernel/softirq.c:376 __local_bh_enable_ip+0x1b3/0x1f0 [ 58.815097][ T16] ================================ [ 58.815104][ T16] WARNING: inconsistent lock state [ 58.824445][ T934] Modules linked in: [ 58.829542][ T16] 6.1.84-syzkaller #0 Not tainted [ 58.834632][ T934] CPU: 0 PID: 934 Comm: kworker/0:2 Not tainted 6.1.84-syzkaller #0 [ 58.838510][ T16] -------------------------------- [ 58.838518][ T16] inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage. [ 58.843515][ T934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 58.851471][ T16] rcu_preempt/16 [HC0[0]:SC0[0]:HE0:SE1] takes: [ 58.856573][ T934] Workqueue: rcu_gp wait_rcu_exp_gp [ 58.863397][ T16] ffff8880b9928358 [ 58.873435][ T934] [ 58.873442][ T934] RIP: 0010:__local_bh_enable_ip+0x1b3/0x1f0 [ 58.879653][ T16] (&base->lock [ 58.884830][ T934] Code: 04 25 28 00 00 00 48 3b 44 24 60 75 4a 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b e9 d0 fe ff ff e8 3f 00 00 00 eb a2 <0f> 0b e9 02 ff ff ff 48 c7 c1 e4 9e 73 8e 80 e1 07 80 c1 03 38 c1 [ 58.888538][ T16] ){?.-.}-{2:2} [ 58.890859][ T934] RSP: 0018:ffffc900048a7660 EFLAGS: 00010046 [ 58.896821][ T16] , at: lock_timer_base+0x120/0x260 [ 58.900263][ T934] [ 58.900269][ T934] RAX: 0000000000000000 RBX: 1ffff92000914ed0 RCX: 0000000000000000 [ 58.919850][ T16] {IN-HARDIRQ-W} state was registered at: [ 58.923304][ T934] RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff8897f1fb [ 58.929354][ T16] lock_acquire+0x1f8/0x5a0 [ 58.934534][ T934] RBP: ffffc900048a7718 R08: dffffc0000000000 R09: ffffed100fca6046 [ 58.936852][ T16] _raw_spin_lock_irqsave+0xd1/0x120 [ 58.944809][ T934] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 58.950515][ T16] lock_timer_base+0x120/0x260 [ 58.958474][ T934] R13: ffff888141379400 R14: ffffc900048a76a0 R15: 0000000000000201 [ 58.963048][ T16] add_timer_on+0x1eb/0x580 [ 58.971003][ T934] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 58.976352][ T16] handle_irq_event+0xa9/0x1e0 [ 58.984307][ T934] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.989140][ T16] handle_edge_irq+0x245/0xbf0 [ 58.997102][ T934] CR2: 000055555735eca8 CR3: 000000000ce8e000 CR4: 00000000003506f0 [ 59.001669][ T16] __common_interrupt+0xd7/0x1f0 [ 59.010596][ T934] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.015420][ T16] common_interrupt+0x9f/0xc0 [ 59.021987][ T934] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.026823][ T16] asm_common_interrupt+0x22/0x40 [ 59.034783][ T934] Call Trace: [ 59.034793][ T934] [ 59.039790][ T16] console_emit_next_record+0xd67/0x1000 [ 59.047752][ T934] ? __warn+0x15a/0x520 [ 59.052504][ T16] console_unlock+0x278/0x7c0 [ 59.060461][ T934] ? __local_bh_enable_ip+0x1b3/0x1f0 [ 59.065560][ T16] vprintk_emit+0x523/0x740 [ 59.068833][ T934] ? report_bug+0x2af/0x500 [ 59.071752][ T16] _printk+0xd1/0x111 [ 59.077451][ T934] ? __local_bh_enable_ip+0x1b3/0x1f0 [ 59.081585][ T16] spectre_v2_select_mitigation+0x53f/0x7d3 [ 59.086333][ T934] ? handle_bug+0x3d/0x70 [ 59.091678][ T16] cpu_select_mitigations+0x3d/0x8f [ 59.096254][ T934] ? exc_invalid_op+0x16/0x40 [ 59.100730][ T16] arch_cpu_finalize_init+0xf/0x81 [ 59.104778][ T934] ? asm_exc_invalid_op+0x16/0x20 [ 59.110127][ T16] start_kernel+0x423/0x53f [ 59.116086][ T934] ? sock_map_delete_elem+0xcb/0x130 [ 59.120391][ T16] secondary_startup_64_no_verify+0xcf/0xdb [ 59.125657][ T934] ? __local_bh_enable_ip+0x1b3/0x1f0 [ 59.130315][ T16] irq event stamp: 72870 [ 59.130324][ T16] hardirqs last enabled at (72867): [] _raw_spin_unlock_irqrestore+0x8b/0x130 [ 59.135500][ T934] ? sock_map_delete_elem+0xcb/0x130 [ 59.140502][ T16] hardirqs last disabled at (72868): [] _raw_spin_lock_irqsave+0xac/0x120 [ 59.145075][ T934] ? _local_bh_enable+0xa0/0xa0 [ 59.150351][ T16] softirqs last enabled at (72870): [] sock_map_delete_elem+0xcb/0x130 [ 59.156317][ T934] ? do_raw_spin_unlock+0x137/0x8a0 [ 59.161671][ T16] softirqs last disabled at (72869): [] sock_map_delete_elem+0x97/0x130 [ 59.165901][ T934] ? sock_map_delete_elem+0x97/0x130 [ 59.176372][ T16] [ 59.176372][ T16] other info that might help us debug this: [ 59.176381][ T16] Possible unsafe locking scenario: [ 59.176381][ T16] [ 59.181652][ T934] sock_map_delete_elem+0xcb/0x130 [ 59.191685][ T16] CPU0 [ 59.191691][ T16] ---- [ 59.196518][ T934] bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e [ 59.206381][ T16] lock(&base->lock [ 59.211560][ T934] bpf_trace_run3+0x231/0x440 [ 59.221424][ T16] ); [ 59.221430][ T16] [ 59.226689][ T934] ? bpf_trace_run3+0x146/0x440 [ 59.234736][ T16] lock(&base->lock [ 59.242174][ T934] ? bpf_trace_run2+0x410/0x410 [ 59.247265][ T16] ); [ 59.247272][ T16] [ 59.247272][ T16] *** DEADLOCK *** [ 59.247272][ T16] [ 59.250533][ T934] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 59.253819][ T16] 2 locks held by rcu_preempt/16: [ 59.259277][ T934] ? _raw_spin_lock_irqsave+0xdd/0x120 [ 59.263163][ T16] #0: ffff8880b9928358 [ 59.267824][ T934] ? _raw_spin_lock+0x40/0x40 [ 59.270310][ T16] (&base->lock [ 59.273759][ T934] enqueue_timer+0x440/0x600 [ 59.278585][ T16] ){?.-.}-{2:2} [ 59.282642][ T934] __mod_timer+0x92b/0xee0 [ 59.287469][ T16] , at: lock_timer_base+0x120/0x260 [ 59.289978][ T934] ? mod_timer_pending+0x20/0x20 [ 59.298107][ T16] #1: ffffffff8d12a980 [ 59.304004][ T934] ? lockdep_softirqs_off+0x420/0x420 [ 59.309011][ T16] (rcu_read_lock [ 59.314450][ T934] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 59.318594][ T16] ){....}-{1:2} [ 59.323259][ T934] ? _raw_spin_unlock+0x40/0x40 [ 59.326705][ T16] , at: bpf_trace_run3+0x146/0x440 [ 59.331283][ T934] schedule_timeout+0x1b4/0x300 [ 59.334720][ T16] [ 59.334720][ T16] stack backtrace: [ 59.334729][ T16] CPU: 1 PID: 16 Comm: rcu_preempt Not tainted 6.1.84-syzkaller #0 [ 59.339130][ T934] ? console_conditional_schedule+0x40/0x40 [ 59.344321][ T16] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 59.349247][ T934] ? update_process_times+0x1b0/0x1b0 [ 59.353380][ T16] Call Trace: [ 59.353390][ T16] [ 59.358748][ T934] rcu_exp_sel_wait_wake+0x764/0x1d50 [ 59.362359][ T16] dump_stack_lvl+0x1e3/0x2cb [ 59.368235][ T934] ? read_lock_is_recursive+0x10/0x10 [ 59.371677][ T16] ? nf_tcp_handle_invalid+0x642/0x642 [ 59.376516][ T934] ? rcu_check_gp_start_stall+0x450/0x450 [ 59.381617][ T16] ? print_usage_bug+0x5fe/0x880 [ 59.386459][ T934] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 59.392346][ T16] valid_state+0x136/0x1c0 [ 59.400214][ T934] ? do_raw_spin_unlock+0x137/0x8a0 [ 59.406083][ T16] mark_lock_irq+0xa8/0xba0 [ 59.416119][ T934] ? process_one_work+0x7a9/0x11d0 [ 59.421472][ T16] ? ret_from_fork+0x1f/0x30 [ 59.424744][ T934] process_one_work+0x8a9/0x11d0 [ 59.427667][ T16] ? stack_trace_save+0x113/0x1c0 [ 59.433024][ T934] ? worker_detach_from_pool+0x260/0x260 [ 59.437689][ T16] ? save_trace+0xab0/0xab0 [ 59.443043][ T934] ? _raw_spin_lock_irqsave+0x120/0x120 [ 59.448480][ T16] ? stack_trace_snprint+0xe0/0xe0 [ 59.454184][ T934] ? kthread_data+0x4e/0xc0 [ 59.459110][ T16] ? queued_spin_lock_slowpath+0x42/0x50 [ 59.464993][ T934] ? wq_worker_running+0x97/0x190 [ 59.469405][ T16] ? lockdep_lock+0x1a7/0x2a0 [ 59.474590][ T934] worker_thread+0xa47/0x1200 [ 59.479075][ T16] ? save_trace+0x5a/0xab0 [ 59.484172][ T934] ? _raw_spin_unlock+0x40/0x40 [ 59.488738][ T16] ? find_bug+0x9f/0x390 [ 59.493660][ T934] kthread+0x28d/0x320 [ 59.498662][ T16] mark_lock+0x21c/0x340 [ 59.504267][ T934] ? worker_clr_flags+0x190/0x190 [ 59.508755][ T16] lockdep_hardirqs_on_prepare+0x27d/0x7a0 [ 59.514301][ T934] ? kthread_blkcg+0xd0/0xd0 [ 59.519400][ T16] ? print_irqtrace_events+0x210/0x210 [ 59.523882][ T934] ret_from_fork+0x1f/0x30 [ 59.529507][ T16] trace_hardirqs_on+0x34/0x40 [ 59.534560][ T934] [ 59.539211][ T16] __local_bh_enable_ip+0x164/0x1f0 [ 59.543874][ T934] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 59.548270][ T16] ? sock_map_delete_elem+0xcb/0x130 [ 59.548301][ T16] ? _local_bh_enable+0xa0/0xa0 [ 59.548327][ T16] ? do_raw_spin_unlock+0x137/0x8a0 [ 59.548346][ T16] ? sock_map_delete_elem+0x97/0x130 [ 59.548374][ T16] sock_map_delete_elem+0xcb/0x130 [ 59.548403][ T16] bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e [ 59.548421][ T16] bpf_trace_run3+0x231/0x440 [ 59.548439][ T16] ? bpf_trace_run3+0x146/0x440 [ 59.548457][ T16] ? bpf_trace_run2+0x410/0x410 [ 59.548474][ T16] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 59.548495][ T16] ? _raw_spin_lock_irqsave+0xdd/0x120 [ 59.548514][ T16] ? _raw_spin_lock+0x40/0x40 [ 59.548537][ T16] enqueue_timer+0x440/0x600 [ 59.548560][ T16] __mod_timer+0x92b/0xee0 [ 59.548582][ T16] ? mod_timer_pending+0x20/0x20 [ 59.548599][ T16] ? lockdep_softirqs_off+0x420/0x420 [ 59.548624][ T16] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 59.548645][ T16] ? _raw_spin_unlock+0x40/0x40 [ 59.548669][ T16] schedule_timeout+0x1b4/0x300 [ 59.548687][ T16] ? console_conditional_schedule+0x40/0x40 [ 59.548707][ T16] ? update_process_times+0x1b0/0x1b0 [ 59.548729][ T16] ? prepare_to_swait_event+0x329/0x350 [ 59.548757][ T16] rcu_gp_fqs_loop+0x2d2/0x1120 [ 59.548784][ T16] ? lockdep_hardirqs_on+0x94/0x130 [ 59.548802][ T16] ? rcu_gp_init+0x15d0/0x15d0 [ 59.548820][ T16] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 59.548844][ T16] ? finish_swait+0xcf/0x1e0 [ 59.548869][ T16] rcu_gp_kthread+0xa3/0x3a0 [ 59.548891][ T16] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 59.548910][ T16] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 59.548933][ T16] ? __kthread_parkme+0x168/0x1c0 [ 59.548962][ T16] kthread+0x28d/0x320 [ 59.548988][ T16] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 59.549007][ T16] ? kthread_blkcg+0xd0/0xd0 [ 59.549034][ T16] ret_from_fork+0x1f/0x30 [ 59.549064][ T16] [ 59.549071][ T934] CPU: 0 PID: 934 Comm: kworker/0:2 Not tainted 6.1.84-syzkaller #0 [ 59.800144][ T934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 59.810192][ T934] Workqueue: rcu_gp wait_rcu_exp_gp [ 59.815392][ T934] Call Trace: [ 59.818664][ T934] [ 59.821591][ T934] dump_stack_lvl+0x1e3/0x2cb [ 59.826274][ T934] ? nf_tcp_handle_invalid+0x642/0x642 [ 59.831731][ T934] ? panic+0x75d/0x75d [ 59.835797][ T934] ? vscnprintf+0x59/0x80 [ 59.840122][ T934] panic+0x318/0x75d [ 59.844009][ T934] ? __warn+0x169/0x520 [ 59.848164][ T934] ? memcpy_page_flushcache+0xfc/0xfc [ 59.853548][ T934] ? ret_from_fork+0x1f/0x30 [ 59.858139][ T934] __warn+0x348/0x520 [ 59.862120][ T934] ? __local_bh_enable_ip+0x1b3/0x1f0 [ 59.867497][ T934] report_bug+0x2af/0x500 [ 59.871828][ T934] ? __local_bh_enable_ip+0x1b3/0x1f0 [ 59.877203][ T934] handle_bug+0x3d/0x70 [ 59.881357][ T934] exc_invalid_op+0x16/0x40 [ 59.885860][ T934] asm_exc_invalid_op+0x16/0x20 [ 59.890719][ T934] RIP: 0010:__local_bh_enable_ip+0x1b3/0x1f0 [ 59.896697][ T934] Code: 04 25 28 00 00 00 48 3b 44 24 60 75 4a 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b e9 d0 fe ff ff e8 3f 00 00 00 eb a2 <0f> 0b e9 02 ff ff ff 48 c7 c1 e4 9e 73 8e 80 e1 07 80 c1 03 38 c1 [ 59.916292][ T934] RSP: 0018:ffffc900048a7660 EFLAGS: 00010046 [ 59.922354][ T934] RAX: 0000000000000000 RBX: 1ffff92000914ed0 RCX: 0000000000000000 [ 59.930321][ T934] RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff8897f1fb [ 59.938286][ T934] RBP: ffffc900048a7718 R08: dffffc0000000000 R09: ffffed100fca6046 [ 59.946275][ T934] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 59.954243][ T934] R13: ffff888141379400 R14: ffffc900048a76a0 R15: 0000000000000201 [ 59.962212][ T934] ? sock_map_delete_elem+0xcb/0x130 [ 59.967504][ T934] ? sock_map_delete_elem+0xcb/0x130 [ 59.972789][ T934] ? _local_bh_enable+0xa0/0xa0 [ 59.977651][ T934] ? do_raw_spin_unlock+0x137/0x8a0 [ 59.982842][ T934] ? sock_map_delete_elem+0x97/0x130 [ 59.988140][ T934] sock_map_delete_elem+0xcb/0x130 [ 59.993253][ T934] bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e [ 59.998703][ T934] bpf_trace_run3+0x231/0x440 [ 60.003373][ T934] ? bpf_trace_run3+0x146/0x440 [ 60.008215][ T934] ? bpf_trace_run2+0x410/0x410 [ 60.013055][ T934] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 60.018947][ T934] ? _raw_spin_lock_irqsave+0xdd/0x120 [ 60.024399][ T934] ? _raw_spin_lock+0x40/0x40 [ 60.029075][ T934] enqueue_timer+0x440/0x600 [ 60.033670][ T934] __mod_timer+0x92b/0xee0 [ 60.038085][ T934] ? mod_timer_pending+0x20/0x20 [ 60.043019][ T934] ? lockdep_softirqs_off+0x420/0x420 [ 60.048402][ T934] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 60.054291][ T934] ? _raw_spin_unlock+0x40/0x40 [ 60.059137][ T934] schedule_timeout+0x1b4/0x300 [ 60.063985][ T934] ? console_conditional_schedule+0x40/0x40 [ 60.069887][ T934] ? update_process_times+0x1b0/0x1b0 [ 60.075256][ T934] rcu_exp_sel_wait_wake+0x764/0x1d50 [ 60.080626][ T934] ? read_lock_is_recursive+0x10/0x10 [ 60.086006][ T934] ? rcu_check_gp_start_stall+0x450/0x450 [ 60.091721][ T934] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 60.097608][ T934] ? do_raw_spin_unlock+0x137/0x8a0 [ 60.102802][ T934] ? process_one_work+0x7a9/0x11d0 [ 60.107906][ T934] process_one_work+0x8a9/0x11d0 [ 60.112860][ T934] ? worker_detach_from_pool+0x260/0x260 [ 60.118494][ T934] ? _raw_spin_lock_irqsave+0x120/0x120 [ 60.124036][ T934] ? kthread_data+0x4e/0xc0 [ 60.128541][ T934] ? wq_worker_running+0x97/0x190 [ 60.133569][ T934] worker_thread+0xa47/0x1200 [ 60.138247][ T934] ? _raw_spin_unlock+0x40/0x40 [ 60.143103][ T934] kthread+0x28d/0x320 [ 60.147175][ T934] ? worker_clr_flags+0x190/0x190 [ 60.152193][ T934] ? kthread_blkcg+0xd0/0xd0 [ 60.156786][ T934] ret_from_fork+0x1f/0x30 [ 60.161215][ T934] [ 61.286096][ T934] Shutting down cpus with NMI [ 61.291134][ T934] Kernel Offset: disabled [ 61.295488][ T934] Rebooting in 86400 seconds..