Warning: Permanently added '10.128.0.172' (ED25519) to the list of known hosts. 2026/05/14 10:40:12 ignoring optional flag "type"="gce" 2026/05/14 10:40:12 parsed 1 programs [ 41.090112][ T24] kauditd_printk_skb: 18 callbacks suppressed [ 41.090123][ T24] audit: type=1400 audit(1778755212.810:92): avc: denied { unlink } for pid=340 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" 2026/05/14 10:40:12 executed programs: 0 [ 41.135275][ T340] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 41.181359][ T347] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.188639][ T347] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.196846][ T347] device bridge_slave_0 entered promiscuous mode [ 41.203749][ T347] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.210889][ T347] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.218772][ T347] device bridge_slave_1 entered promiscuous mode [ 41.249961][ T347] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.257332][ T347] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.264930][ T347] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.272082][ T347] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.288810][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.296922][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.304480][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.312084][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.322820][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.332129][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.339704][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.348214][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.356666][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.363879][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.375064][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.385134][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.397866][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.408756][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.417283][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.425179][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.433692][ T347] device veth0_vlan entered promiscuous mode [ 41.444046][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.453027][ T347] device veth1_macvtap entered promiscuous mode [ 41.462237][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.472254][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.492669][ T24] audit: type=1400 audit(1778755213.210:93): avc: denied { read write } for pid=351 comm="syz-executor.0" name="vga_arbiter" dev="devtmpfs" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:xserver_misc_device_t tclass=chr_file permissive=1 [ 41.518854][ T24] audit: type=1400 audit(1778755213.210:94): avc: denied { open } for pid=351 comm="syz-executor.0" path="/dev/vga_arbiter" dev="devtmpfs" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:xserver_misc_device_t tclass=chr_file permissive=1 2026/05/14 10:40:17 executed programs: 716 2026/05/14 10:40:22 executed programs: 1501 2026/05/14 10:40:27 executed programs: 2288 2026/05/14 10:40:32 executed programs: 3072 [ 162.013725][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 162.021103][ C0] rcu: 1-...!: (0 ticks this GP) idle=d7e/1/0x4000000000000000 softirq=17335/17350 fqs=1 last_accelerate: a2a2/c9b4 dyntick_enabled: 1 [ 162.035865][ C0] (detected by 0, t=10002 jiffies, g=11641, q=168) [ 162.042497][ C0] Sending NMI from CPU 0 to CPUs 1: [ 162.048821][ C0] NMI backtrace for cpu 1 [ 162.048826][ C0] CPU: 1 PID: 9969 Comm: syz-executor.0 Not tainted syzkaller #0 [ 162.048832][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 162.048836][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x51/0x80 [ 162.048846][ C0] Code: 89 fe 48 c7 c7 30 6c 4c 86 e8 1b 56 1c fd 4c 89 f7 48 83 3d 50 88 c9 01 00 74 34 e8 3d f9 c8 fc 66 90 48 89 5d e8 ff 75 e8 9d 01 00 00 00 e8 25 f0 c1 fc 65 8b 05 8a 89 7f 7b 85 c0 74 09 48 [ 162.048850][ C0] RSP: 0018:ffffc90001edfd48 EFLAGS: 00000802 [ 162.048860][ C0] RAX: 0000000000000001 RBX: 0000000000000802 RCX: dffffc0000000000 [ 162.048865][ C0] RDX: 0000000000000000 RSI: 0000000000000802 RDI: ffffffff86f11000 [ 162.048869][ C0] RBP: ffffc90001edfd60 R08: 0000000000000003 R09: 0000000000000004 [ 162.048874][ C0] R10: dffffc0000000000 R11: fffff520003dbf98 R12: 0000000000000000 [ 162.048878][ C0] R13: ffff88811ac38018 R14: ffff88811ac38024 R15: dffffc0000000000 [ 162.048883][ C0] FS: 000055556ae53480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 162.048887][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 162.048892][ C0] CR2: 00007f3131d55d58 CR3: 0000000117930000 CR4: 00000000003506a0 [ 162.048896][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 162.048901][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 162.048903][ C0] Call Trace: [ 162.048907][ C0] vga_arb_release+0x3e9/0x930 [ 162.048910][ C0] ? vga_arb_open+0x220/0x220 [ 162.048913][ C0] __fput+0x2fb/0x770 [ 162.048916][ C0] ____fput+0x15/0x20 [ 162.048919][ C0] task_work_run+0x127/0x190 [ 162.048922][ C0] exit_to_user_mode_loop+0xcb/0xe0 [ 162.048926][ C0] exit_to_user_mode_prepare+0x76/0xa0 [ 162.048929][ C0] syscall_exit_to_user_mode+0x1d/0x40 [ 162.048933][ C0] do_syscall_64+0x3d/0x40 [ 162.048936][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 162.048939][ C0] RIP: 0033:0x7f31322074de [ 162.048949][ C0] Code: 08 0f 85 55 ed ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 90 41 57 41 56 4d 89 c6 41 55 4d 89 cd 41 54 55 53 48 83 ec 08 [ 162.048953][ C0] RSP: 002b:00007ffc0af59218 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 162.048961][ C0] RAX: 0000000000000000 RBX: 000055556ae53480 RCX: 00007f31322074de [ 162.048965][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 162.048970][ C0] RBP: 0000000000000032 R08: 0000000000000000 R09: 0000000000000000 [ 162.048974][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3131d77418 [ 162.048979][ C0] R13: ffffffffffffffff R14: 00007f3131d77000 R15: 000000000000f211 [ 162.048994][ C0] rcu: rcu_preempt kthread starved for 10000 jiffies! g11641 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 162.324336][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 162.334667][ C0] rcu: RCU grace-period kthread stack dump: [ 162.340754][ C0] task:rcu_preempt state:R running task stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 162.352032][ C0] Call Trace: [ 162.355336][ C0] __schedule+0xb53/0x1320 [ 162.359868][ C0] ? __sched_text_start+0x8/0x8 [ 162.364811][ C0] ? __mod_timer+0x7da/0xb50 [ 162.369490][ C0] schedule+0x13c/0x1d0 [ 162.373930][ C0] schedule_timeout+0x159/0x330 [ 162.378776][ C0] ? console_conditional_schedule+0x10/0x10 [ 162.384675][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 162.390131][ C0] ? run_local_timers+0x160/0x160 [ 162.395156][ C0] ? prepare_to_swait_event+0x320/0x340 [ 162.400812][ C0] rcu_gp_kthread+0x1045/0x2730 [ 162.406017][ C0] ? rcu_cleanup_dead_rnp+0x180/0x180 [ 162.411395][ C0] ? rcu_barrier_callback+0x50/0x50 [ 162.416777][ C0] ? __kasan_check_read+0x11/0x20 [ 162.421975][ C0] ? __kthread_parkme+0xb9/0x1c0 [ 162.427027][ C0] kthread+0x346/0x3d0 [ 162.431363][ C0] ? rcu_barrier_callback+0x50/0x50 [ 162.436697][ C0] ? kthread_blkcg+0xd0/0xd0 [ 162.441461][ C0] ret_from_fork+0x1f/0x30 [ 285.654138][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 215s! [ 285.663024][ C0] Showing busy workqueues and worker pools: [ 285.670186][ C0] workqueue events: flags=0x0 [ 285.675338][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 285.683078][ C0] pending: vmstat_shepherd, psi_avgs_work [ 285.689375][ C0] workqueue events_unbound: flags=0x2 [ 285.695253][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 refcnt=3 [ 285.702658][ C0] in-flight: 48:toggle_allocation_gate [ 285.708521][ C0] workqueue events_power_efficient: flags=0x80 [ 285.714952][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 285.723041][ C0] pending: neigh_periodic_work, reg_check_chans_work, neigh_periodic_work, gc_worker [ 285.733367][ C0] workqueue mm_percpu_wq: flags=0x8 [ 285.738892][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.747130][ C0] pending: vmstat_update [ 285.751843][ C0] workqueue kblockd: flags=0x18 [ 285.756749][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 285.764747][ C0] pending: blk_mq_timeout_work [ 285.770607][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 285.776148][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.783926][ C0] pending: wg_packet_encrypt_worker [ 285.789998][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 285.795507][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.803434][ C0] pending: wg_packet_encrypt_worker [ 285.809169][ C0] workqueue wg-kex-wg2: flags=0x6 [ 285.814211][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 285.821792][ C0] pending: wg_packet_handshake_send_worker [ 285.828092][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 285.833394][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.841330][ C0] pending: wg_packet_encrypt_worker [ 285.847053][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.854788][ C0] pending: wg_packet_encrypt_worker [ 285.860478][ C0] pool 4: cpus=0-1 flags=0x4 nice=0 hung=215s workers=4 idle: 9 2273 7