Warning: Permanently added '10.128.1.102' (ED25519) to the list of known hosts. 2026/08/19 13:00:19 parsed 1 programs [ 37.981438][ T24] kauditd_printk_skb: 30 callbacks suppressed [ 37.981450][ T24] audit: type=1400 audit(1787144420.370:104): avc: denied { unlink } for pid=429 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" [ 38.062684][ T429] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 38.697351][ T457] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.706500][ T457] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.714753][ T457] device bridge_slave_0 entered promiscuous mode [ 38.722696][ T457] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.730019][ T457] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.737553][ T457] device bridge_slave_1 entered promiscuous mode [ 38.766905][ T457] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.774238][ T457] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.781981][ T457] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.789188][ T457] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.806730][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.815211][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.822597][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.833331][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.843095][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.850515][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.860109][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.868881][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.876783][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.890050][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.899780][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.912236][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.925815][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.934404][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 38.942231][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 38.951419][ T457] device veth0_vlan entered promiscuous mode [ 38.963317][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.972993][ T457] device veth1_macvtap entered promiscuous mode [ 38.982957][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.994049][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.054589][ T24] audit: type=1400 audit(1787144421.450:105): avc: denied { create } for pid=468 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 39.332561][ T24] audit: type=1401 audit(1787144421.720:106): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" 2026/08/19 13:00:21 executed programs: 0 [ 39.531539][ T24] audit: type=1400 audit(1787144421.920:107): avc: denied { write } for pid=421 comm="syz-execprog" path="pipe:[15919]" dev="pipefs" ino=15919 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 39.574687][ T490] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.581936][ T490] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.589517][ T490] device bridge_slave_0 entered promiscuous mode [ 39.596484][ T490] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.603499][ T490] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.611030][ T490] device bridge_slave_1 entered promiscuous mode [ 39.643622][ T490] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.650723][ T490] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.658180][ T490] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.665359][ T490] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.685844][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.694221][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.701599][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.715108][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.723666][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.730886][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.739579][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.747984][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.755343][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.770347][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.779359][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.789205][ T49] device bridge_slave_1 left promiscuous mode [ 39.795555][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.803050][ T49] device bridge_slave_0 left promiscuous mode [ 39.809456][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.818456][ T49] device veth1_macvtap left promiscuous mode [ 39.825051][ T49] device veth0_vlan left promiscuous mode [ 39.911839][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.922731][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.930868][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.939964][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.949023][ T490] device veth0_vlan entered promiscuous mode [ 39.959079][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.968441][ T490] device veth1_macvtap entered promiscuous mode [ 39.977756][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.988682][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.011441][ T24] audit: type=1400 audit(1787144422.400:108): avc: denied { create } for pid=494 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 40.033414][ T24] audit: type=1400 audit(1787144422.400:109): avc: denied { write } for pid=494 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 40.062992][ T24] audit: type=1400 audit(1787144422.450:110): avc: denied { setopt } for pid=494 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 140.193550][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 140.200360][ C0] rcu: 0-...!: (10000 ticks this GP) idle=b1e/1/0x4000000000000000 softirq=2559/2559 fqs=39 last_accelerate: 9a29/c139 dyntick_enabled: 1 [ 140.214576][ C0] (t=10003 jiffies g=1837 q=61) [ 140.219673][ C0] rcu: rcu_preempt kthread starved for 9925 jiffies! g1837 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 140.231114][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 140.241246][ C0] rcu: RCU grace-period kthread stack dump: [ 140.247147][ C0] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 140.256787][ C0] Call Trace: [ 140.260084][ C0] __schedule+0xc03/0x13e0 [ 140.264679][ C0] ? enqueue_timer+0x1b6/0x480 [ 140.269616][ C0] ? __sched_text_start+0x8/0x8 [ 140.274634][ C0] ? __mod_timer+0x7c0/0xb40 [ 140.279234][ C0] schedule+0x13c/0x1d0 [ 140.283479][ C0] schedule_timeout+0x159/0x330 [ 140.288464][ C0] ? console_conditional_schedule+0x10/0x10 [ 140.294439][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 140.300504][ C0] ? run_local_timers+0x160/0x160 [ 140.305528][ C0] ? prepare_to_swait_event+0x34d/0x360 [ 140.311229][ C0] rcu_gp_kthread+0x109a/0x2810 [ 140.316074][ C0] ? finish_task_switch+0x12e/0x5a0 [ 140.321871][ C0] ? dyntick_save_progress_counter+0x1b0/0x1b0 [ 140.328274][ C0] ? rcu_barrier_callback+0x50/0x50 [ 140.333459][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 140.338988][ C0] ? __kasan_check_read+0x11/0x20 [ 140.344134][ C0] ? __kthread_parkme+0xb3/0x1b0 [ 140.349059][ C0] kthread+0x324/0x3b0 [ 140.353226][ C0] ? rcu_barrier_callback+0x50/0x50 [ 140.358415][ C0] ? kthread_blkcg+0xd0/0xd0 [ 140.363083][ C0] ret_from_fork+0x1f/0x30 [ 140.367535][ C0] NMI backtrace for cpu 0 [ 140.371883][ C0] CPU: 0 PID: 514 Comm: syz.2.18 Not tainted syzkaller #0 [ 140.379132][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 140.389488][ C0] Call Trace: [ 140.392750][ C0] [ 140.395596][ C0] __dump_stack+0x21/0x24 [ 140.399987][ C0] dump_stack_lvl+0x1a7/0x208 [ 140.404643][ C0] ? show_regs_print_info+0x18/0x18 [ 140.409886][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 140.415395][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 140.420064][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 140.426036][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 140.432424][ C0] dump_stack+0x15/0x1c [ 140.436600][ C0] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 140.442670][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 140.449076][ C0] rcu_dump_cpu_stacks+0x1a2/0x2c0 [ 140.454309][ C0] rcu_sched_clock_irq+0xf89/0x1880 [ 140.459599][ C0] ? rcutree_dead_cpu+0x310/0x310 [ 140.464620][ C0] ? debug_smp_processor_id+0x17/0x20 [ 140.470083][ C0] ? hrtimer_run_queues+0x166/0x420 [ 140.475262][ C0] update_process_times+0x198/0x200 [ 140.480690][ C0] tick_sched_timer+0x17c/0x240 [ 140.485532][ C0] ? tick_setup_sched_timer+0x460/0x460 [ 140.491184][ C0] __hrtimer_run_queues+0x33a/0x7d0 [ 140.496835][ C0] ? hrtimer_interrupt+0xc80/0xc80 [ 140.501961][ C0] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 140.508198][ C0] hrtimer_interrupt+0x313/0xc80 [ 140.513137][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 140.519662][ C0] asm_call_irq_on_stack+0xf/0x20 [ 140.525152][ C0] [ 140.528194][ C0] sysvec_apic_timer_interrupt+0x85/0xe0 [ 140.534258][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 140.540621][ C0] RIP: 0010:tipc_sk_lookup+0x0/0x600 [ 140.545890][ C0] Code: ff ff 49 8d 7c 24 10 e8 de 35 38 fd 49 8d 54 24 10 e9 64 e3 ff ff e8 df c2 15 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 00 [ 140.565992][ C0] RSP: 0018:ffffc90000e46ad8 EFLAGS: 00000202 [ 140.572239][ C0] RAX: 0000000000000201 RBX: dffffc0000000000 RCX: 0000000000000200 [ 140.580371][ C0] RDX: 0000000000000000 RSI: 00000000e083b363 RDI: ffff8881150bcd00 [ 140.588331][ C0] RBP: ffffc90000e46d50 R08: 0000000000000003 R09: 0000000000000004 [ 140.596431][ C0] R10: dffffc0000000000 R11: fffff520001c8d4c R12: ffffc90000e46f00 [ 140.604910][ C0] R13: ffff8881150b0f01 R14: ffff8881150bcd00 R15: 00000000e083b363 [ 140.613541][ C0] ? tipc_sk_rcv+0x350/0x1df0 [ 140.618301][ C0] ? __stack_depot_save+0x480/0x4c0 [ 140.623781][ C0] ? kasan_set_track+0x4a/0x70 [ 140.629160][ C0] ? ____kasan_slab_free+0x125/0x160 [ 140.634426][ C0] ? __kasan_slab_free+0x11/0x20 [ 140.639651][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 140.645440][ C0] ? kmem_cache_free+0x100/0x2d0 [ 140.650375][ C0] ? kfree_skbmem+0x10c/0x180 [ 140.655209][ C0] ? kfree_skb+0xc1/0x2f0 [ 140.659523][ C0] ? tipc_sk_rcv+0x1bf6/0x1df0 [ 140.664569][ C0] ? tipc_node_xmit+0x36c/0xd80 [ 140.670273][ C0] ? tipc_sk_filter_rcv+0x19a8/0x3860 [ 140.675748][ C0] ? tipc_node_xmit+0x36c/0xd80 [ 140.680846][ C0] ? tipc_sk_backlog_rcv+0x174/0x220 [ 140.686218][ C0] ? exit_to_user_mode_prepare+0x76/0xa0 [ 140.692006][ C0] ? syscall_exit_to_user_mode+0x1d/0x40 [ 140.697615][ C0] ? do_syscall_64+0x3d/0x40 [ 140.702194][ C0] ? __skb_queue_purge+0x170/0x170 [ 140.707306][ C0] tipc_node_xmit+0x36c/0xd80 [ 140.711982][ C0] ? kmem_cache_free+0x100/0x2d0 [ 140.716918][ C0] ? ____kasan_slab_free+0x130/0x160 [ 140.722454][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 140.728159][ C0] ? __kasan_slab_free+0x11/0x20 [ 140.733246][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 140.738854][ C0] ? kmem_cache_free+0x100/0x2d0 [ 140.743943][ C0] ? skb_release_data+0x53b/0x690 [ 140.749343][ C0] tipc_node_xmit_skb+0xf7/0x150 [ 140.754273][ C0] ? __skb_queue_purge+0x170/0x170 [ 140.759372][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 140.765035][ C0] tipc_sk_rcv+0x1c6f/0x1df0 [ 140.769620][ C0] ? update_blocked_averages+0xf20/0xf20 [ 140.775331][ C0] ? __skb_queue_purge+0x170/0x170 [ 140.780740][ C0] tipc_node_xmit+0x36c/0xd80 [ 140.785672][ C0] ? is_bpf_text_address+0x177/0x190 [ 140.791226][ C0] ? __kernel_text_address+0xa0/0x100 [ 140.798382][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 140.804128][ C0] ? __kasan_check_write+0x14/0x20 [ 140.809644][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 140.816117][ C0] tipc_sk_filter_rcv+0x19a8/0x3860 [ 140.821616][ C0] ? tipc_sk_dump+0xfd0/0xfd0 [ 140.826556][ C0] ? __kasan_check_write+0x14/0x20 [ 140.832415][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 140.837461][ C0] tipc_sk_rcv+0x745/0x1df0 [ 140.843030][ C0] ? kmem_cache_free+0x100/0x2d0 [ 140.848150][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 140.853608][ C0] ? __skb_queue_purge+0x170/0x170 [ 140.858939][ C0] ? tipc_sk_filter_rcv+0x3034/0x3860 [ 140.864325][ C0] tipc_node_xmit+0x36c/0xd80 [ 140.869409][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 140.875371][ C0] tipc_node_distr_xmit+0x277/0x390 [ 140.880545][ C0] ? tipc_node_xmit_skb+0x150/0x150 [ 140.885842][ C0] tipc_sk_backlog_rcv+0x174/0x220 [ 140.891024][ C0] ? tipc_sk_timeout+0x9f0/0x9f0 [ 140.895959][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 140.901749][ C0] __release_sock+0x146/0x360 [ 140.906835][ C0] release_sock+0x60/0x1b0 [ 140.911383][ C0] tipc_release+0xbc5/0x1490 [ 140.916224][ C0] sock_close+0xb8/0x200 [ 140.920457][ C0] ? sock_mmap+0xa0/0xa0 [ 140.924680][ C0] __fput+0x2dc/0x730 [ 140.928769][ C0] ____fput+0x15/0x20 [ 140.932744][ C0] task_work_run+0x127/0x190 [ 140.937373][ C0] exit_to_user_mode_loop+0xcb/0xe0 [ 140.942822][ C0] exit_to_user_mode_prepare+0x76/0xa0 [ 140.948527][ C0] syscall_exit_to_user_mode+0x1d/0x40 [ 140.954057][ C0] do_syscall_64+0x3d/0x40 [ 140.958468][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 140.964657][ C0] RIP: 0033:0x7f44bf679079 [ 140.969141][ C0] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 140.989335][ C0] RSP: 002b:00007f44bf0de028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 140.997912][ C0] RAX: 00000000000203a0 RBX: 00007f44bf8a4fa0 RCX: 00007f44bf679079 [ 141.005958][ C0] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 141.014119][ C0] RBP: 00007f44bf70ba4c R08: 0000000000000000 R09: 0000000000000000 [ 141.022346][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 141.030524][ C0] R13: 0000000000000000 R14: 00007f44bf8a4fa0 R15: 00007ffdff1ba088 [ 177.098823][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 122s! [syz.2.18:513] [ 177.106833][ C1] Modules linked in: [ 177.110737][ C1] CPU: 1 PID: 513 Comm: syz.2.18 Not tainted syzkaller #0 [ 177.118014][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 177.128072][ C1] RIP: 0010:kvm_wait+0xce/0x130 [ 177.132912][ C1] Code: 38 f0 75 26 41 f7 c4 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d b3 20 b8 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d a4 20 b8 03 fb f4 <4c> 89 64 24 18 ff 74 24 18 9d 48 c7 44 24 20 0e 36 e0 45 4b c7 04 [ 177.152958][ C1] RSP: 0018:ffffc90000d679c0 EFLAGS: 00000246 [ 177.159227][ C1] RAX: 0000000000000003 RBX: ffff8881150b0f88 RCX: ffffffff814be804 [ 177.167270][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff8881150b0f88 [ 177.175355][ C1] RBP: ffffc90000d67a70 R08: ffff8881150b0f88 R09: 1ffff11022a161f1 [ 177.183327][ C1] R10: dffffc0000000000 R11: ffffed1022a161f2 R12: 0000000000000246 [ 177.191297][ C1] R13: 059d3408f541d9d8 R14: dffffc0000000000 R15: 1ffff920001acf3c [ 177.199275][ C1] FS: 000055556717a500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 177.208293][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 177.214874][ C1] CR2: 00007f44bf6c67c0 CR3: 0000000118610000 CR4: 00000000003506a0 [ 177.222893][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 177.230942][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 177.238997][ C1] Call Trace: [ 177.242323][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 177.247513][ C1] __pv_queued_spin_lock_slowpath+0x72d/0xb80 [ 177.253656][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 177.260167][ C1] ? task_work_add+0x27/0x1e0 [ 177.264919][ C1] ? fput+0x1a/0x20 [ 177.268720][ C1] ? filp_close+0x105/0x150 [ 177.273209][ C1] ? __close_range+0x1f4/0x450 [ 177.278046][ C1] ? do_syscall_64+0x31/0x40 [ 177.282724][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 177.288781][ C1] queued_spin_lock_slowpath+0x47/0x50 [ 177.294227][ C1] _raw_spin_lock_bh+0xe4/0xf0 [ 177.299076][ C1] ? _raw_spin_lock_irq+0xf0/0xf0 [ 177.304190][ C1] lock_sock_nested+0x90/0x2a0 [ 177.308951][ C1] ? memset+0x35/0x40 [ 177.313013][ C1] ? sock_init_data+0xc0/0xc0 [ 177.317680][ C1] ? fsnotify+0x19ce/0x1a90 [ 177.322176][ C1] tipc_release+0x5d/0x1490 [ 177.326673][ C1] sock_close+0xb8/0x200 [ 177.330901][ C1] ? sock_mmap+0xa0/0xa0 [ 177.335240][ C1] __fput+0x2dc/0x730 [ 177.339311][ C1] ____fput+0x15/0x20 [ 177.343375][ C1] task_work_run+0x127/0x190 [ 177.347960][ C1] exit_to_user_mode_loop+0xcb/0xe0 [ 177.353353][ C1] exit_to_user_mode_prepare+0x76/0xa0 [ 177.359071][ C1] syscall_exit_to_user_mode+0x1d/0x40 [ 177.364832][ C1] do_syscall_64+0x3d/0x40 [ 177.369233][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 177.375111][ C1] RIP: 0033:0x7f44bf679079 [ 177.379524][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 177.399246][ C1] RSP: 002b:00007ffdff1ba1e8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 177.407950][ C1] RAX: 0000000000000000 RBX: 00007f44bf8a6ba0 RCX: 00007f44bf679079 [ 177.415920][ C1] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 177.424073][ C1] RBP: 00007f44bf8a6ba0 R08: 0000000000000006 R09: 0000000000000000 [ 177.432033][ C1] R10: 00007f44bf8a6ac0 R11: 0000000000000246 R12: 0000000000009fee [ 177.440092][ C1] R13: 00007f44bf8a508c R14: 0000000000009d14 R15: 00007f44bf8a5080 [ 177.448148][ C1] Sending NMI from CPU 1 to CPUs 0: [ 177.454039][ C0] NMI backtrace for cpu 0 [ 177.454048][ C0] CPU: 0 PID: 514 Comm: syz.2.18 Not tainted syzkaller #0 [ 177.454054][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 177.454057][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x36/0x60 [ 177.454068][ C0] Code: b0 bb 9d 7e 65 8b 15 b5 bb 9d 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 dc 0a 00 00 00 74 2c 8b 91 b8 0a 00 00 <83> fa 02 75 21 48 8b 91 c0 0a 00 00 48 8b 32 48 8d 7e 01 8b 89 bc [ 177.454071][ C0] RSP: 0018:ffffc90000e46ad0 EFLAGS: 00000246 [ 177.454079][ C0] RAX: ffffffff8466ed1c RBX: dffffc0000000000 RCX: ffff888117e513c0 [ 177.454084][ C0] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000001 [ 177.454088][ C0] RBP: ffffc90000e46ad0 R08: ffff8881150b0f83 R09: 1ffff11022a161f0 [ 177.454093][ C0] R10: dffffc0000000000 R11: ffffed1022a161f1 R12: ffffc90000e46f00 [ 177.454097][ C0] R13: ffff8881150b0f80 R14: 0000000000000005 R15: 00000000e083b363 [ 177.454102][ C0] FS: 00007f44bf0de6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 177.454106][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 177.454110][ C0] CR2: 0000200000011000 CR3: 0000000118610000 CR4: 00000000003506b0 [ 177.454115][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 177.454119][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 177.454122][ C0] Call Trace: [ 177.454124][ C0] tipc_sk_rcv+0x199c/0x1df0 [ 177.454128][ C0] ? __stack_depot_save+0x480/0x4c0 [ 177.454131][ C0] ? kasan_set_track+0x4a/0x70 [ 177.454134][ C0] ? ____kasan_slab_free+0x125/0x160 [ 177.454137][ C0] ? __kasan_slab_free+0x11/0x20 [ 177.454141][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 177.454144][ C0] ? kmem_cache_free+0x100/0x2d0 [ 177.454147][ C0] ? kfree_skbmem+0x10c/0x180 [ 177.454149][ C0] ? kfree_skb+0xc1/0x2f0 [ 177.454152][ C0] ? tipc_sk_rcv+0x1bf6/0x1df0 [ 177.454155][ C0] ? tipc_node_xmit+0x36c/0xd80 [ 177.454159][ C0] ? tipc_sk_filter_rcv+0x19a8/0x3860 [ 177.454162][ C0] ? tipc_node_xmit+0x36c/0xd80 [ 177.454165][ C0] ? tipc_sk_backlog_rcv+0x174/0x220 [ 177.454168][ C0] ? exit_to_user_mode_prepare+0x76/0xa0 [ 177.454172][ C0] ? syscall_exit_to_user_mode+0x1d/0x40 [ 177.454175][ C0] ? do_syscall_64+0x3d/0x40 [ 177.454178][ C0] ? __skb_queue_purge+0x170/0x170 [ 177.454181][ C0] tipc_node_xmit+0x36c/0xd80 [ 177.454185][ C0] ? kmem_cache_free+0x100/0x2d0 [ 177.454188][ C0] ? ____kasan_slab_free+0x130/0x160 [ 177.454191][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 177.454194][ C0] ? __kasan_slab_free+0x11/0x20 [ 177.454198][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 177.454201][ C0] ? kmem_cache_free+0x100/0x2d0 [ 177.454204][ C0] ? skb_release_data+0x53b/0x690 [ 177.454207][ C0] tipc_node_xmit_skb+0xf7/0x150 [ 177.454210][ C0] ? __skb_queue_purge+0x170/0x170 [ 177.454214][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 177.454216][ C0] tipc_sk_rcv+0x1c6f/0x1df0 [ 177.454220][ C0] ? update_blocked_averages+0xf20/0xf20 [ 177.454223][ C0] ? __skb_queue_purge+0x170/0x170 [ 177.454226][ C0] tipc_node_xmit+0x36c/0xd80 [ 177.454229][ C0] ? is_bpf_text_address+0x177/0x190 [ 177.454232][ C0] ? __kernel_text_address+0xa0/0x100 [ 177.454236][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 177.454239][ C0] ? __kasan_check_write+0x14/0x20 [ 177.454242][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 177.454246][ C0] tipc_sk_filter_rcv+0x19a8/0x3860 [ 177.454248][ C0] ? tipc_sk_dump+0xfd0/0xfd0 [ 177.454252][ C0] ? __kasan_check_write+0x14/0x20 [ 177.454255][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 177.454258][ C0] tipc_sk_rcv+0x745/0x1df0 [ 177.454261][ C0] ? kmem_cache_free+0x100/0x2d0 [ 177.454264][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 177.454267][ C0] ? __skb_queue_purge+0x170/0x170 [ 177.454270][ C0] ? tipc_sk_filter_rcv+0x3034/0x3860 [ 177.454273][ C0] tipc_node_xmit+0x36c/0xd80 [ 177.454277][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 177.454280][ C0] tipc_node_distr_xmit+0x277/0x390 [ 177.454283][ C0] ? tipc_node_xmit_skb+0x150/0x150 [ 177.454286][ C0] tipc_sk_backlog_rcv+0x174/0x220 [ 177.454289][ C0] ? tipc_sk_timeout+0x9f0/0x9f0 [ 177.454293][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 177.454295][ C0] __release_sock+0x146/0x360 [ 177.454298][ C0] release_sock+0x60/0x1b0 [ 177.454301][ C0] tipc_release+0xbc5/0x1490 [ 177.454304][ C0] sock_close+0xb8/0x200 [ 177.454307][ C0] ? sock_mmap+0xa0/0xa0 [ 177.454309][ C0] __fput+0x2dc/0x730 [ 177.454312][ C0] ____fput+0x15/0x20 [ 177.454315][ C0] task_work_run+0x127/0x190 [ 177.454318][ C0] exit_to_user_mode_loop+0xcb/0xe0 [ 177.454321][ C0] exit_to_user_mode_prepare+0x76/0xa0 [ 177.454325][ C0] syscall_exit_to_user_mode+0x1d/0x40 [ 177.454327][ C0] do_syscall_64+0x3d/0x40 [ 177.454331][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 177.454334][ C0] RIP: 0033:0x7f44bf679079 [ 177.454344][ C0] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 177.454347][ C0] RSP: 002b:00007f44bf0de028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 177.454355][ C0] RAX: 00000000000203a0 RBX: 00007f44bf8a4fa0 RCX: 00007f44bf679079 [ 177.454359][ C0] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 177.454363][ C0] RBP: 00007f44bf70ba4c R08: 0000000000000000 R09: 0000000000000000 [ 177.454367][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 177.454371][ C0] R13: 0000000000000000 R14: 00007f44bf8a4fa0 R15: 00007ffdff1ba088 [ 177.454384][ C1] Kernel panic - not syncing: softlockup: hung tasks [ 178.010706][ C1] CPU: 1 PID: 513 Comm: syz.2.18 Tainted: G L syzkaller #0 [ 178.019187][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 178.029226][ C1] Call Trace: [ 178.032497][ C1] [ 178.035344][ C1] __dump_stack+0x21/0x24 [ 178.039914][ C1] dump_stack_lvl+0x1a7/0x208 [ 178.044601][ C1] ? show_regs_print_info+0x18/0x18 [ 178.049901][ C1] dump_stack+0x15/0x1c [ 178.054067][ C1] panic+0x2d5/0x800 [ 178.058049][ C1] ? find_next_bit+0xc9/0x100 [ 178.062715][ C1] ? bpf_jit_dump+0xe0/0xe0 [ 178.067296][ C1] watchdog_timer_fn+0x591/0x5a0 [ 178.072257][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 178.077733][ C1] __hrtimer_run_queues+0x33a/0x7d0 [ 178.083154][ C1] ? hrtimer_interrupt+0xc80/0xc80 [ 178.088521][ C1] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 178.094818][ C1] hrtimer_interrupt+0x313/0xc80 [ 178.099747][ C1] ? __do_softirq+0x4c9/0x563 [ 178.104425][ C1] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 178.110584][ C1] asm_call_irq_on_stack+0xf/0x20 [ 178.115590][ C1] [ 178.118522][ C1] sysvec_apic_timer_interrupt+0x85/0xe0 [ 178.124405][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 178.130382][ C1] RIP: 0010:kvm_wait+0xce/0x130 [ 178.135218][ C1] Code: 38 f0 75 26 41 f7 c4 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d b3 20 b8 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d a4 20 b8 03 fb f4 <4c> 89 64 24 18 ff 74 24 18 9d 48 c7 44 24 20 0e 36 e0 45 4b c7 04 [ 178.155550][ C1] RSP: 0018:ffffc90000d679c0 EFLAGS: 00000246 [ 178.161613][ C1] RAX: 0000000000000003 RBX: ffff8881150b0f88 RCX: ffffffff814be804 [ 178.169571][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff8881150b0f88 [ 178.177665][ C1] RBP: ffffc90000d67a70 R08: ffff8881150b0f88 R09: 1ffff11022a161f1 [ 178.185628][ C1] R10: dffffc0000000000 R11: ffffed1022a161f2 R12: 0000000000000246 [ 178.193588][ C1] R13: 059d3408f541d9d8 R14: dffffc0000000000 R15: 1ffff920001acf3c [ 178.201852][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xb80 [ 178.208087][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 178.213190][ C1] __pv_queued_spin_lock_slowpath+0x72d/0xb80 [ 178.219246][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 178.225647][ C1] ? task_work_add+0x27/0x1e0 [ 178.230305][ C1] ? fput+0x1a/0x20 [ 178.234111][ C1] ? filp_close+0x105/0x150 [ 178.238599][ C1] ? __close_range+0x1f4/0x450 [ 178.243347][ C1] ? do_syscall_64+0x31/0x40 [ 178.247941][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 178.254002][ C1] queued_spin_lock_slowpath+0x47/0x50 [ 178.259537][ C1] _raw_spin_lock_bh+0xe4/0xf0 [ 178.264314][ C1] ? _raw_spin_lock_irq+0xf0/0xf0 [ 178.269333][ C1] lock_sock_nested+0x90/0x2a0 [ 178.274090][ C1] ? memset+0x35/0x40 [ 178.278060][ C1] ? sock_init_data+0xc0/0xc0 [ 178.282906][ C1] ? fsnotify+0x19ce/0x1a90 [ 178.287402][ C1] tipc_release+0x5d/0x1490 [ 178.291898][ C1] sock_close+0xb8/0x200 [ 178.296215][ C1] ? sock_mmap+0xa0/0xa0 [ 178.300921][ C1] __fput+0x2dc/0x730 [ 178.304894][ C1] ____fput+0x15/0x20 [ 178.308863][ C1] task_work_run+0x127/0x190 [ 178.313443][ C1] exit_to_user_mode_loop+0xcb/0xe0 [ 178.318713][ C1] exit_to_user_mode_prepare+0x76/0xa0 [ 178.324185][ C1] syscall_exit_to_user_mode+0x1d/0x40 [ 178.329635][ C1] do_syscall_64+0x3d/0x40 [ 178.334050][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 178.340245][ C1] RIP: 0033:0x7f44bf679079 [ 178.344734][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 178.364480][ C1] RSP: 002b:00007ffdff1ba1e8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 178.372971][ C1] RAX: 0000000000000000 RBX: 00007f44bf8a6ba0 RCX: 00007f44bf679079 [ 178.381101][ C1] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 178.389066][ C1] RBP: 00007f44bf8a6ba0 R08: 0000000000000006 R09: 0000000000000000 [ 178.397140][ C1] R10: 00007f44bf8a6ac0 R11: 0000000000000246 R12: 0000000000009fee [ 178.405106][ C1] R13: 00007f44bf8a508c R14: 0000000000009d14 R15: 00007f44bf8a5080 [ 178.413405][ C1] Kernel Offset: disabled [ 178.418107][ C1] Rebooting in 86400 seconds..