no interfaces have a carrier
[ 35.838940][ T3854] 8021q: adding VLAN 0 to HW filter on device bond0
[ 35.850067][ T3854] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting crond: OK
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.226' (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
syzkaller login: [ 81.347778][ T1107] cfg80211: failed to load regulatory.db
[ 184.345149][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 184.352269][ C1] rcu: 0-....: (7 ticks this GP) idle=683/1/0x4000000000000002 softirq=5467/5467 fqs=2103
[ 184.362884][ C1] (detected by 1, t=10502 jiffies, g=5377, q=2409)
[ 184.369501][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 184.374725][ C0] NMI backtrace for cpu 0
[ 184.374755][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted syzkaller #0
[ 184.374772][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 184.374791][ C0] RIP: 0010:lock_is_held_type+0x11a/0x190
[ 184.374835][ C0] Code: 01 00 00 00 48 c7 c7 40 2b 0b 8a e8 c0 0d 00 00 b8 ff ff ff ff 65 0f c1 05 f3 27 59 76 83 f8 01 75 40 48 c7 04 24 00 00 00 00 <9c> 8f 04 24 f7 04 24 00 02 00 00 75 46 41 f7 c5 00 02 00 00 74 01
[ 184.374849][ C0] RSP: 0018:ffffc90000d36e78 EFLAGS: 00000046
[ 184.374864][ C0] RAX: 0000000000000001 RBX: ffff88813fea9dc0 RCX: 82032a8f853e6b00
[ 184.374877][ C0] RDX: 0000000000000100 RSI: ffffffff8a0b2b40 RDI: ffffffff8a59a880
[ 184.374888][ C0] RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff1ff7a19
[ 184.374900][ C0] R10: fffffbfff1ff7a19 R11: 1ffffffff1ff7a18 R12: 0000000000000000
[ 184.374912][ C0] R13: 0000000000000046 R14: ffffffff8c11c720 R15: ffff88813feaa8b0
[ 184.374924][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[ 184.374938][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 184.374950][ C0] CR2: 000055557d34bce8 CR3: 000000000be8e000 CR4: 00000000003506f0
[ 184.374965][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 184.374974][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 184.374984][ C0] Call Trace:
[ 184.374991][ C0]
[ 184.375009][ C0] perf_output_begin_forward+0x1a6/0xa30
[ 184.375031][ C0] ? kvm_is_in_guest+0x24/0x30
[ 184.375052][ C0] ? perf_prepare_sample+0x1680/0x1cb0
[ 184.375071][ C0] ? __perf_cgroup_move+0x140/0x140
[ 184.375096][ C0] ? perf_callchain+0x190/0x190
[ 184.375111][ C0] ? rcu_lock_release+0x9/0x20
[ 184.375132][ C0] perf_event_output_forward+0x15c/0x280
[ 184.375156][ C0] ? perf_get_page_size+0x420/0x420
[ 184.375174][ C0] ? tracing_gen_ctx_irq_test+0xb3/0x130
[ 184.375195][ C0] ? __perf_event_account_interrupt+0x187/0x280
[ 184.375213][ C0] __perf_event_overflow+0x364/0x530
[ 184.375233][ C0] perf_tp_event+0x32c/0xb50
[ 184.375251][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0
[ 184.375269][ C0] ? perf_tp_event+0xa3b/0xb50
[ 184.375303][ C0] ? ip_sublist_rcv+0xa41/0xce0
[ 184.375321][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0
[ 184.375340][ C0] perf_trace_preemptirq_template+0x2be/0x380
[ 184.375361][ C0] ? asm_sysvec_irq_work+0x16/0x20
[ 184.375380][ C0] ? trace_event_raw_event_preemptirq_template+0x270/0x270
[ 184.375398][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 184.375419][ C0] ? lock_chain_count+0x20/0x20
[ 184.375439][ C0] ? asm_sysvec_irq_work+0x16/0x20
[ 184.375456][ C0] trace_irq_enable_rcuidle+0x108/0x180
[ 184.375475][ C0] trace_hardirqs_on+0x57/0x80
[ 184.375491][ C0] asm_sysvec_irq_work+0x16/0x20
[ 184.375508][ C0] RIP: 0010:rcu_read_unlock_special+0x84/0x480
[ 184.375526][ C0] Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 6d 13 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
[ 184.375539][ C0] RSP: 0018:ffffc90000d37640 EFLAGS: 00000206
[ 184.375552][ C0] RAX: 82032a8f853e6b00 RBX: 1ffff920001a6ecc RCX: 82032a8f853e6b00
[ 184.375564][ C0] RDX: dffffc0000000000 RSI: ffffffff8a0b18a0 RDI: ffffffff8a59a880
[ 184.375577][ C0] RBP: ffffc90000d37720 R08: dffffc0000000000 R09: ffffed1017207662
[ 184.375589][ C0] R10: ffffed1017207662 R11: 1ffff11017207661 R12: ffffffff8c120c00
[ 184.375602][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
[ 184.375640][ C0] ? __rcu_read_unlock+0xd0/0xd0
[ 184.375658][ C0] ? __netif_receive_skb+0x290/0x290
[ 184.375681][ C0] __rcu_read_unlock+0x78/0xd0
[ 184.375697][ C0] netif_receive_skb_list_internal+0x93a/0xb90
[ 184.375720][ C0] ? netif_receive_skb_list+0x3e0/0x3e0
[ 184.375742][ C0] ? detach_buf_split+0x8a9/0xab0
[ 184.375761][ C0] napi_complete_done+0x37d/0x830
[ 184.375779][ C0] ? __lock_acquire+0x7c60/0x7c60
[ 184.375797][ C0] ? __napi_schedule_irqoff+0x230/0x230
[ 184.375815][ C0] ? virtqueue_get_buf_ctx+0x4a7/0xfd0
[ 184.375834][ C0] ? virtqueue_enable_cb_prepare+0x22e/0x560
[ 184.375855][ C0] virtnet_poll+0x912/0xef0
[ 184.375883][ C0] ? refill_work+0x210/0x210
[ 184.375900][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 184.375918][ C0] ? asm_sysvec_call_function_single+0x16/0x20
[ 184.375939][ C0] __napi_poll+0xc0/0x430
[ 184.375958][ C0] net_rx_action+0x4a8/0x9c0
[ 184.375981][ C0] ? net_tx_action+0x870/0x870
[ 184.375999][ C0] ? detach_timer+0x2b0/0x2b0
[ 184.376024][ C0] handle_softirqs+0x328/0x820
[ 184.376043][ C0] ? run_ksoftirqd+0x98/0xf0
[ 184.376061][ C0] ? do_softirq+0x200/0x200
[ 184.376076][ C0] ? run_ksoftirqd+0x75/0xf0
[ 184.376097][ C0] ? ksoftirqd_should_run+0x20/0x20
[ 184.376113][ C0] ? lockdep_hardirqs_off+0x70/0x100
[ 184.376132][ C0] ? ksoftirqd_should_run+0x20/0x20
[ 184.376147][ C0] run_ksoftirqd+0x98/0xf0
[ 184.376163][ C0] ? ksoftirqd_should_run+0x20/0x20
[ 184.376180][ C0] ? preempt_schedule_thunk+0x16/0x18
[ 184.376199][ C0] ? smpboot_thread_fn+0x5bc/0x970
[ 184.376220][ C0] smpboot_thread_fn+0x4f6/0x970
[ 184.376244][ C0] kthread+0x436/0x520
[ 184.376259][ C0] ? cpu_report_death+0x180/0x180
[ 184.376276][ C0] ? kthread_blkcg+0xd0/0xd0
[ 184.376292][ C0] ret_from_fork+0x1f/0x30
[ 184.376315][ C0]
[ 184.376322][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.596 msecs
[ 188.865269][ T21] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10939 jiffies s: 721 root: 0x1/.
[ 188.877771][ T21] rcu: blocking rcu_node structures (internal RCU debug):
[ 188.884937][ T21] Task dump for CPU 0:
[ 188.889090][ T21] task:ksoftirqd/0 state:R running task stack:22816 pid: 14 ppid: 2 flags:0x00004008
[ 188.899943][ T21] Call Trace:
[ 188.903246][ T21]
[ 188.906234][ T21] ? net_tx_action+0x870/0x870
[ 188.911030][ T21] ? detach_timer+0x2b0/0x2b0
[ 188.915836][ T21] ? handle_softirqs+0x328/0x820
[ 188.920802][ T21] ? run_ksoftirqd+0x98/0xf0
[ 188.925447][ T21] ? do_softirq+0x200/0x200
[ 188.929982][ T21] ? run_ksoftirqd+0x75/0xf0
[ 188.934605][ T21] ? ksoftirqd_should_run+0x20/0x20
[ 188.939881][ T21] ? lockdep_hardirqs_off+0x70/0x100
[ 188.945230][ T21] ? ksoftirqd_should_run+0x20/0x20
[ 188.950460][ T21] ? run_ksoftirqd+0x98/0xf0
[ 188.955116][ T21] ? ksoftirqd_should_run+0x20/0x20
[ 188.960335][ T21] ? preempt_schedule_thunk+0x16/0x18
[ 188.965788][ T21] ? smpboot_thread_fn+0x5bc/0x970
[ 188.970931][ T21] ? smpboot_thread_fn+0x4f6/0x970
[ 188.976111][ T21] ? kthread+0x436/0x520
[ 188.980371][ T21] ? cpu_report_death+0x180/0x180
[ 188.985440][ T21] ? kthread_blkcg+0xd0/0xd0
[ 188.990056][ T21] ? ret_from_fork+0x1f/0x30
[ 188.994684][ T21]