Warning: Permanently added '10.128.0.226' (ED25519) to the list of known hosts. 2026/02/06 13:40:00 ignoring optional flag "type"="gce" 2026/02/06 13:40:00 parsed 1 programs 2026/02/06 13:40:00 executed programs: 0 [ 39.901791][ T24] kauditd_printk_skb: 18 callbacks suppressed [ 39.901803][ T24] audit: type=1400 audit(1770385200.480:92): avc: denied { unlink } for pid=318 comm="syz-executor" name="swap-file" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 39.939673][ T318] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 39.984638][ T325] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.991772][ T325] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.999137][ T325] device bridge_slave_0 entered promiscuous mode [ 40.005788][ T325] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.012827][ T325] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.020102][ T325] device bridge_slave_1 entered promiscuous mode [ 40.049518][ T325] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.056555][ T325] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.063825][ T325] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.070856][ T325] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.085751][ T295] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.093027][ T295] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.100436][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.108830][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.117951][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.126110][ T295] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.133145][ T295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.141597][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.149760][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.156775][ T295] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.167854][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.177063][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.190585][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.201163][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.209585][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.217016][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.225005][ T325] device veth0_vlan entered promiscuous mode [ 40.234686][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.243886][ T325] device veth1_macvtap entered promiscuous mode [ 40.253096][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.262880][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.282083][ T24] audit: type=1400 audit(1770385200.860:93): avc: denied { map_create } for pid=329 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 40.302223][ T24] audit: type=1400 audit(1770385200.860:94): avc: denied { bpf } for pid=329 comm="syz-executor.0" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 40.323920][ T24] audit: type=1400 audit(1770385200.860:95): avc: denied { map_read map_write } for pid=329 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 40.344873][ T24] audit: type=1400 audit(1770385200.860:96): avc: denied { prog_load } for pid=329 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 40.364426][ T24] audit: type=1400 audit(1770385200.860:97): avc: denied { perfmon } for pid=329 comm="syz-executor.0" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 40.403514][ T24] audit: type=1400 audit(1770385200.980:98): avc: denied { prog_run } for pid=329 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 141.336871][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 141.343850][ C0] rcu: 1-...!: (1 GPs behind) idle=0f6/1/0x4000000000000000 softirq=1784/1785 fqs=0 last_accelerate: 9aa1/c1b3 dyntick_enabled: 1 [ 141.357359][ C0] (detected by 0, t=10002 jiffies, g=869, q=57) [ 141.364080][ C0] Sending NMI from CPU 0 to CPUs 1: [ 141.370296][ C0] NMI backtrace for cpu 1 [ 141.370300][ C0] CPU: 1 PID: 20 Comm: kworker/1:0 Not tainted syzkaller #0 [ 141.370305][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 141.370308][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 141.370314][ C0] RIP: 0010:kvm_wait+0xbe/0x130 [ 141.370322][ C0] Code: c1 e8 03 42 0f b6 04 30 84 c0 75 6d 0f b6 07 40 38 f0 75 26 41 f7 c4 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d c3 1e b8 03 f4 0e 0f 1f 44 00 00 0f 00 2d b4 1e b8 03 fb f4 4c 89 64 24 18 ff [ 141.370325][ C0] RSP: 0018:ffffc900001571c0 EFLAGS: 00000046 [ 141.370331][ C0] RAX: 0000000000000003 RBX: ffff8881f7147840 RCX: ffffffff814bed1a [ 141.370335][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff8881f7147840 [ 141.370338][ C0] RBP: ffffc90000157270 R08: ffff8881f7147840 R09: 1ffff1103ee28f08 [ 141.370342][ C0] R10: dffffc0000000000 R11: ffffed103ee28f09 R12: 0000000000000046 [ 141.370346][ C0] R13: 1ffff1103ee28f08 R14: dffffc0000000000 R15: 1ffff9200002ae3c [ 141.370350][ C0] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 141.370353][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 141.370357][ C0] CR2: 00007f1c4e3a60c0 CR3: 000000011f46c000 CR4: 00000000003506a0 [ 141.370361][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 141.370365][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 141.370367][ C0] Call Trace: [ 141.370369][ C0] ? skb_scrub_packet+0x246/0x340 [ 141.370372][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 141.370375][ C0] __pv_queued_spin_lock_slowpath+0x714/0xb70 [ 141.370378][ C0] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 141.370381][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 141.370384][ C0] _raw_spin_lock_irqsave+0x120/0x130 [ 141.370386][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 141.370389][ C0] lock_timer_base+0x127/0x270 [ 141.370391][ C0] __mod_timer+0x109/0xb50 [ 141.370394][ C0] add_timer+0x68/0x80 [ 141.370396][ C0] __queue_delayed_work+0x173/0x200 [ 141.370399][ C0] queue_delayed_work_on+0xf2/0x140 [ 141.370402][ C0] ? _raw_spin_lock+0x94/0xf0 [ 141.370404][ C0] ? delayed_work_timer_fn+0x80/0x80 [ 141.370407][ C0] ? __kasan_check_write+0x14/0x20 [ 141.370409][ C0] kvfree_call_rcu+0x423/0x650 [ 141.370412][ C0] ? ip6table_mangle_hook+0x2c4/0x730 [ 141.370415][ C0] ? call_rcu+0x10b0/0x10b0 [ 141.370417][ C0] ? __kasan_check_write+0x14/0x20 [ 141.370420][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 141.370423][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 141.370425][ C0] ? longest_prefix_match+0x337/0x640 [ 141.370428][ C0] trie_delete_elem+0x57a/0x710 [ 141.370431][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x4f0 [ 141.370434][ C0] bpf_trace_run3+0xda/0x280 [ 141.370436][ C0] ? bpf_trace_run2+0x210/0x210 [ 141.370439][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 141.370441][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 141.370444][ C0] __bpf_trace_timer_start+0x2b/0x40 [ 141.370447][ C0] enqueue_timer+0x337/0x480 [ 141.370449][ C0] __mod_timer+0x7cb/0xb50 [ 141.370452][ C0] mod_timer+0x1f/0x30 [ 141.370455][ C0] ipv6_mc_dad_complete+0x273/0x3c0 [ 141.370458][ C0] addrconf_dad_completed+0x74a/0xe20 [ 141.370461][ C0] ? addrconf_dad_stop+0x460/0x460 [ 141.370463][ C0] addrconf_dad_work+0xc42/0x1440 [ 141.370466][ C0] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 141.370469][ C0] ? pwq_activate_delayed_work+0x301/0x410 [ 141.370472][ C0] ? __kasan_check_read+0x11/0x20 [ 141.370474][ C0] ? read_word_at_a_time+0x12/0x20 [ 141.370477][ C0] ? strscpy+0x9b/0x290 [ 141.370479][ C0] process_one_work+0x6e1/0xba0 [ 141.370482][ C0] worker_thread+0xa6a/0x13c0 [ 141.370484][ C0] kthread+0x346/0x3d0 [ 141.370487][ C0] ? worker_clr_flags+0x190/0x190 [ 141.370489][ C0] ? kthread_blkcg+0xd0/0xd0 [ 141.370492][ C0] ret_from_fork+0x1f/0x30 [ 141.370504][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g869 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 141.755811][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 141.765767][ C0] rcu: RCU grace-period kthread stack dump: [ 141.771645][ C0] task:rcu_preempt state:R running task stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 141.782383][ C0] Call Trace: [ 141.785658][ C0] __schedule+0xb53/0x1320 [ 141.790059][ C0] ? __sched_text_start+0x8/0x8 [ 141.794900][ C0] ? __mod_timer+0x7da/0xb50 [ 141.799465][ C0] schedule+0x13c/0x1d0 [ 141.803607][ C0] schedule_timeout+0x159/0x330 [ 141.808432][ C0] ? console_conditional_schedule+0x10/0x10 [ 141.814299][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 141.819733][ C0] ? run_local_timers+0x160/0x160 [ 141.824759][ C0] ? prepare_to_swait_event+0x320/0x340 [ 141.830305][ C0] rcu_gp_kthread+0x1045/0x2730 [ 141.835143][ C0] ? rcu_barrier_callback+0x50/0x50 [ 141.840322][ C0] ? __kasan_check_read+0x11/0x20 [ 141.845324][ C0] ? __kthread_parkme+0xb9/0x1c0 [ 141.850268][ C0] kthread+0x346/0x3d0 [ 141.854312][ C0] ? rcu_barrier_callback+0x50/0x50 [ 141.859485][ C0] ? kthread_blkcg+0xd0/0xd0 [ 141.864250][ C0] ret_from_fork+0x1f/0x30 [ 285.466817][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 244s! [ 285.475722][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 240s! [ 285.484133][ C0] Showing busy workqueues and worker pools: [ 285.490009][ C0] workqueue events: flags=0x0 [ 285.494672][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 285.502373][ C0] pending: bpf_prog_free_deferred, vmstat_shepherd, psi_avgs_work [ 285.510538][ C0] workqueue events_power_efficient: flags=0x80 [ 285.516663][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 285.524282][ C0] pending: neigh_periodic_work, neigh_periodic_work, reg_check_chans_work, gc_worker [ 285.534181][ C0] workqueue rcu_gp: flags=0x8 [ 285.538841][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.546457][ C0] pending: process_srcu [ 285.550957][ C0] workqueue mm_percpu_wq: flags=0x8 [ 285.556127][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.563854][ C0] pending: vmstat_update [ 285.568625][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 285.574230][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=3 [ 285.581765][ C0] in-flight: 20:addrconf_dad_work [ 285.587124][ C0] delayed: addrconf_dad_work [ 285.592157][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=17 [ 285.599699][ C0] pending: addrconf_dad_work [ 285.604720][ C0] delayed: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work [ 285.632898][ C0] workqueue wg-kex-wg1: flags=0x6 [ 285.637997][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 285.645188][ C0] pending: wg_packet_handshake_send_worker [ 285.651339][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 285.656597][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.664484][ C0] pending: wg_packet_encrypt_worker [ 285.670025][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 285.675284][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.682900][ C0] pending: wg_packet_encrypt_worker [ 285.688443][ C0] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=244s workers=5 idle: 25 51 297 296