[ 22.657694][ T287] device veth1_macvtap entered promiscuous mode
[ 22.667427][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 22.679048][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 22.696232][ T287] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation
[ 23.299889][ T9] device bridge_slave_1 left promiscuous mode
[ 23.306400][ T9] bridge0: port 2(bridge_slave_1) entered disabled state
[ 23.314715][ T9] device bridge_slave_0 left promiscuous mode
[ 23.321246][ T9] bridge0: port 1(bridge_slave_0) entered disabled state
[ 23.331732][ T9] device veth1_macvtap left promiscuous mode
[ 23.337816][ T9] device veth0_vlan left promiscuous mode
Warning: Permanently added '10.128.1.196' (ED25519) to the list of known hosts.
2025/12/08 09:42:47 ignoring optional flag "type"="gce"
2025/12/08 09:42:48 parsed 1 programs
2025/12/08 09:42:48 executed programs: 0
[ 30.687326][ T24] kauditd_printk_skb: 18 callbacks suppressed
[ 30.687336][ T24] audit: type=1400 audit(1765186968.040:92): avc: denied { unlink } for pid=319 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"
[ 30.721218][ T319] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 30.765661][ T326] bridge0: port 1(bridge_slave_0) entered blocking state
[ 30.773278][ T326] bridge0: port 1(bridge_slave_0) entered disabled state
[ 30.780751][ T326] device bridge_slave_0 entered promiscuous mode
[ 30.787657][ T326] bridge0: port 2(bridge_slave_1) entered blocking state
[ 30.795215][ T326] bridge0: port 2(bridge_slave_1) entered disabled state
[ 30.803262][ T326] device bridge_slave_1 entered promiscuous mode
[ 30.831182][ T326] bridge0: port 2(bridge_slave_1) entered blocking state
[ 30.839135][ T326] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 30.846710][ T326] bridge0: port 1(bridge_slave_0) entered blocking state
[ 30.854316][ T326] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 30.870045][ T9] bridge0: port 1(bridge_slave_0) entered disabled state
[ 30.877388][ T9] bridge0: port 2(bridge_slave_1) entered disabled state
[ 30.885772][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 30.893765][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 30.903452][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 30.912361][ T9] bridge0: port 1(bridge_slave_0) entered blocking state
[ 30.920074][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 30.929477][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 30.938550][ T9] bridge0: port 2(bridge_slave_1) entered blocking state
[ 30.946272][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 30.957938][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 30.967937][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 30.980631][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 30.992345][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 31.001413][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 31.009422][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 31.017656][ T326] device veth0_vlan entered promiscuous mode
[ 31.027542][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 31.037635][ T326] device veth1_macvtap entered promiscuous mode
[ 31.046770][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 31.056959][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 31.075686][ T24] audit: type=1400 audit(1765186968.430:93): avc: denied { create } for pid=330 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1
[ 31.096715][ T24] audit: type=1400 audit(1765186968.460:94): avc: denied { write } for pid=330 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1
[ 31.117422][ T24] audit: type=1400 audit(1765186968.460:95): avc: denied { setopt } for pid=330 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1
2025/12/08 09:42:53 executed programs: 760
[ 135.969101][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 135.975826][ C0] rcu: 0-...!: (1 GPs behind) idle=182/1/0x4000000000000000 softirq=5840/5853 fqs=0 last_accelerate: 9886/bf98 dyntick_enabled: 1
[ 135.989949][ C0] (t=10003 jiffies g=3117 q=187)
[ 135.995046][ C0] rcu: rcu_preempt kthread starved for 10003 jiffies! g3117 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
[ 136.006904][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 136.017202][ C0] rcu: RCU grace-period kthread stack dump:
[ 136.023534][ C0] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000
[ 136.033388][ C0] Call Trace:
[ 136.036873][ C0] __schedule+0xb47/0x1310
[ 136.041483][ C0] ? release_firmware_map_entry+0x18d/0x18d
[ 136.047706][ C0] ? __mod_timer+0x7ae/0xb30
[ 136.052561][ C0] schedule+0x13c/0x1d0
[ 136.056956][ C0] schedule_timeout+0x12c/0x2d0
[ 136.062234][ C0] ? console_conditional_schedule+0x10/0x10
[ 136.069294][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 136.075333][ C0] ? run_local_timers+0x160/0x160
[ 136.080359][ C0] ? prepare_to_swait_event+0x320/0x340
[ 136.086501][ C0] rcu_gp_kthread+0x100a/0x26a0
[ 136.091493][ C0] ? rcu_barrier_callback+0x50/0x50
[ 136.097185][ C0] ? __kasan_check_read+0x11/0x20
[ 136.102546][ C0] ? __kthread_parkme+0xb9/0x1c0
[ 136.107662][ C0] kthread+0x346/0x3d0
[ 136.111885][ C0] ? rcu_barrier_callback+0x50/0x50
[ 136.117313][ C0] ? kthread_blkcg+0xd0/0xd0
[ 136.122641][ C0] ret_from_fork+0x1f/0x30
[ 136.127345][ C0] NMI backtrace for cpu 0
[ 136.132439][ C0] CPU: 0 PID: 2724 Comm: syz-executor.0 Not tainted syzkaller #0
[ 136.140392][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 136.151210][ C0] Call Trace:
[ 136.154805][ C0]
[ 136.158340][ C0] __dump_stack+0x21/0x24
[ 136.163457][ C0] dump_stack_lvl+0x169/0x1d8
[ 136.168485][ C0] ? show_regs_print_info+0x18/0x18
[ 136.173993][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 136.179970][ C0] ? _raw_spin_lock+0xe0/0xe0
[ 136.185428][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 136.191992][ C0] dump_stack+0x15/0x1c
[ 136.196372][ C0] nmi_trigger_cpumask_backtrace+0x27f/0x2c0
[ 136.202800][ C0] arch_trigger_cpumask_backtrace+0x10/0x20
[ 136.209042][ C0] rcu_dump_cpu_stacks+0x19c/0x2c0
[ 136.214259][ C0] rcu_sched_clock_irq+0xf79/0x1870
[ 136.219715][ C0] ? rcutree_dead_cpu+0x2f0/0x2f0
[ 136.224983][ C0] ? hrtimer_run_queues+0x166/0x430
[ 136.230447][ C0] update_process_times+0x198/0x200
[ 136.235890][ C0] tick_sched_timer+0x17c/0x240
[ 136.240717][ C0] ? tick_setup_sched_timer+0x450/0x450
[ 136.246570][ C0] __hrtimer_run_queues+0x37a/0x960
[ 136.252403][ C0] ? hrtimer_interrupt+0xdc0/0xdc0
[ 136.257735][ C0] ? ktime_get_update_offsets_now+0x293/0x2b0
[ 136.264170][ C0] hrtimer_interrupt+0x3a6/0xdc0
[ 136.269520][ C0] ? sched_clock_cpu+0x1b/0x3d0
[ 136.274633][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3f0
[ 136.281183][ C0] asm_call_irq_on_stack+0xf/0x20
[ 136.286418][ C0]
[ 136.289380][ C0] sysvec_apic_timer_interrupt+0x85/0xe0
[ 136.295383][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 136.301616][ C0] RIP: 0010:__rcu_read_lock+0x2d/0x50
[ 136.307066][ C0] Code: e5 53 65 48 8b 1d 83 a9 b0 7e 48 81 c3 08 04 00 00 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 05 03 5b 5d c3 89 d9 80 e1 07 80 c1 03 38 c1 7c ef 48 89 df e8 7a
[ 136.327744][ C0] RSP: 0018:ffffc9000228e728 EFLAGS: 00000246
[ 136.334394][ C0] RAX: 0000000000000000 RBX: ffff88811f6717c8 RCX: dffffc0000000000
[ 136.342803][ C0] RDX: 0000000000000000 RSI: 00000000043b16bc RDI: ffff8881073d2680
[ 136.351788][ C0] RBP: ffffc9000228e730 R08: 0000000000000004 R09: 0000000000000003
[ 136.360290][ C0] R10: fffff52000451cf8 R11: 1ffff92000451cf8 R12: dffffc0000000000
[ 136.368821][ C0] R13: ffffc9000228ecb0 R14: 0000000000000022 R15: 00000000043b16bc
[ 136.377317][ C0] tipc_sk_lookup+0xa1/0x5f0
[ 136.382533][ C0] ? __kasan_check_write+0x14/0x20
[ 136.387889][ C0] ? _raw_spin_lock_bh+0x8e/0xe0
[ 136.393193][ C0] ? tipc_sk_rcv+0x1ef0/0x1ef0
[ 136.397966][ C0] ? tipc_sk_rcv+0x3b6/0x1ef0
[ 136.403602][ C0] tipc_sk_rcv+0x3eb/0x1ef0
[ 136.408170][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 136.414415][ C0] ? __stack_depot_save+0x479/0x4c0
[ 136.419741][ C0] ? kasan_set_track+0x5b/0x70
[ 136.424654][ C0] ? kasan_set_track+0x4a/0x70
[ 136.429925][ C0] ? ____kasan_slab_free+0x125/0x160
[ 136.435412][ C0] ? __kasan_slab_free+0x11/0x20
[ 136.440727][ C0] ? kmem_cache_free+0x100/0x2d0
[ 136.445732][ C0] ? kfree_skbmem+0x10c/0x180
[ 136.450468][ C0] ? kfree_skb+0xc1/0x2f0
[ 136.455049][ C0] ? tipc_sk_backlog_rcv+0x16f/0x1f0
[ 136.460597][ C0] ? __release_sock+0x146/0x360
[ 136.466350][ C0] ? __sys_setsockopt+0x265/0x460
[ 136.471653][ C0] ? __skb_queue_purge+0x170/0x170
[ 136.477183][ C0] tipc_node_xmit+0x256/0xcd0
[ 136.481944][ C0] ? debug_smp_processor_id+0x17/0x20
[ 136.487600][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0
[ 136.493593][ C0] ? ____kasan_slab_free+0x130/0x160
[ 136.498970][ C0] ? __kasan_slab_free+0x11/0x20
[ 136.503884][ C0] ? slab_free_freelist_hook+0xc5/0x190
[ 136.509595][ C0] ? kfree_skbmem+0x10c/0x180
[ 136.514699][ C0] tipc_node_distr_xmit+0x292/0x390
[ 136.520156][ C0] ? tipc_node_xmit_skb+0x130/0x130
[ 136.525603][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0
[ 136.531654][ C0] tipc_sk_rcv+0x19b9/0x1ef0
[ 136.536415][ C0] ? __skb_queue_purge+0x170/0x170
[ 136.541863][ C0] tipc_node_xmit+0x256/0xcd0
[ 136.546693][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0
[ 136.552480][ C0] tipc_sk_push_backlog+0x4dd/0x790
[ 136.557929][ C0] tipc_sk_proto_rcv+0x98d/0x1ac0
[ 136.563325][ C0] ? trace_tipc_sk_dump+0x6c0/0x6c0
[ 136.568764][ C0] tipc_sk_filter_rcv+0x30ac/0x3850
[ 136.574038][ C0] ? stack_trace_snprint+0xf0/0xf0
[ 136.579122][ C0] ? kasan_set_track+0x5b/0x70
[ 136.583876][ C0] ? kasan_set_track+0x4a/0x70
[ 136.588612][ C0] ? kasan_set_free_info+0x23/0x40
[ 136.594314][ C0] ? kasan_set_track+0x5b/0x70
[ 136.599231][ C0] ? kasan_set_track+0x4a/0x70
[ 136.604056][ C0] ? kasan_set_free_info+0x23/0x40
[ 136.609240][ C0] ? ____kasan_slab_free+0x125/0x160
[ 136.614852][ C0] ? __kasan_slab_free+0x11/0x20
[ 136.619859][ C0] ? slab_free_freelist_hook+0xc5/0x190
[ 136.625806][ C0] ? kmem_cache_free+0x100/0x2d0
[ 136.630724][ C0] ? kfree_skb+0xc1/0x2f0
[ 136.635586][ C0] ? tipc_msg_reverse+0x698/0x900
[ 136.640686][ C0] ? tipc_sk_filter_rcv+0xca0/0x3850
[ 136.646214][ C0] ? tipc_sk_backlog_rcv+0x109/0x1f0
[ 136.651571][ C0] ? __release_sock+0x146/0x360
[ 136.656667][ C0] ? __sys_setsockopt+0x265/0x460
[ 136.662382][ C0] ? __x64_sys_setsockopt+0xbf/0xd0
[ 136.668093][ C0] ? do_syscall_64+0x31/0x40
[ 136.672927][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 136.679300][ C0] ? tipc_sk_dump+0xfc0/0xfc0
[ 136.684154][ C0] ? __kasan_check_write+0x14/0x20
[ 136.689438][ C0] ? _raw_spin_lock_bh+0x8e/0xe0
[ 136.694497][ C0] tipc_sk_rcv+0x7cc/0x1ef0
[ 136.699176][ C0] ? slab_free_freelist_hook+0xc5/0x190
[ 136.705120][ C0] ? kmem_cache_free+0x100/0x2d0
[ 136.710046][ C0] ? __skb_queue_purge+0x170/0x170
[ 136.715302][ C0] ? tipc_sk_filter_rcv+0x3034/0x3850
[ 136.721030][ C0] tipc_node_xmit+0x256/0xcd0
[ 136.726095][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0
[ 136.731955][ C0] tipc_node_distr_xmit+0x292/0x390
[ 136.738167][ C0] ? tipc_node_xmit_skb+0x130/0x130
[ 136.743618][ C0] ? selinux_capable+0x29c/0x380
[ 136.748912][ C0] tipc_sk_backlog_rcv+0x16f/0x1f0
[ 136.754935][ C0] ? tipc_sk_timeout+0x970/0x970
[ 136.760260][ C0] ? __local_bh_enable_ip+0x53/0x80
[ 136.765540][ C0] ? lock_sock_nested+0x1f5/0x290
[ 136.770894][ C0] __release_sock+0x146/0x360
[ 136.775974][ C0] sock_setsockopt+0x125e/0x2350
[ 136.781154][ C0] ? __sock_set_mark+0x160/0x160
[ 136.786068][ C0] ? selinux_socket_setsockopt+0x21c/0x300
[ 136.792419][ C0] ? selinux_socket_getsockopt+0x2e0/0x2e0
[ 136.798432][ C0] ? __kasan_check_write+0x14/0x20
[ 136.804310][ C0] ? _raw_spin_lock_irq+0x8f/0xe0
[ 136.809816][ C0] ? __fget_files+0x2c4/0x320
[ 136.814752][ C0] ? security_socket_setsockopt+0x82/0xa0
[ 136.820775][ C0] __sys_setsockopt+0x265/0x460
[ 136.825866][ C0] ? __ia32_sys_recv+0xb0/0xb0
[ 136.830942][ C0] ? __kasan_check_write+0x14/0x20
[ 136.836713][ C0] ? switch_fpu_return+0x197/0x340
[ 136.842268][ C0] __x64_sys_setsockopt+0xbf/0xd0
[ 136.847385][ C0] do_syscall_64+0x31/0x40
[ 136.852018][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 136.858505][ C0] RIP: 0033:0x7f554be24da9
[ 136.863331][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[ 136.884003][ C0] RSP: 002b:00007f554b9850c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 136.893157][ C0] RAX: ffffffffffffffda RBX: 00007f554bf53050 RCX: 00007f554be24da9
[ 136.901380][ C0] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
[ 136.909801][ C0] RBP: 00007f554be7147a R08: 0000000000000004 R09: 0000000000000000
[ 136.918356][ C0] R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000
[ 136.926715][ C0] R13: 000000000000000b R14: 00007f554bf53050 R15: 00007ffd60332338
[ 177.029015][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor.0:2723]
[ 177.038416][ C1] Modules linked in:
[ 177.042925][ C1] CPU: 1 PID: 2723 Comm: syz-executor.0 Not tainted syzkaller #0
[ 177.050717][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 177.061377][ C1] RIP: 0010:kvm_wait+0xc2/0x120
[ 177.066565][ C1] Code: 38 f0 75 26 41 f7 c4 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d 5f 9a 98 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d 50 9a 98 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
[ 177.086788][ C1] RSP: 0018:ffffc900021e76e0 EFLAGS: 00000246
[ 177.093216][ C1] RAX: 0000000000000003 RBX: ffff88811a178588 RCX: ffffffff814b23da
[ 177.101839][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88811a178588
[ 177.110762][ C1] RBP: ffffc900021e7790 R08: dffffc0000000000 R09: ffffed102342f0b2
[ 177.119151][ C1] R10: ffffed102342f0b2 R11: 1ffff1102342f0b1 R12: 0000000000000246
[ 177.127473][ C1] R13: 1ffff1102342f0b1 R14: dffffc0000000000 R15: 1ffff9200043cee0
[ 177.135874][ C1] FS: 00007f554b9a66c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 177.145473][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 177.152920][ C1] CR2: 00007f554b985d58 CR3: 000000010c9fe000 CR4: 00000000003506a0
[ 177.161665][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 177.170273][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 177.178573][ C1] Call Trace:
[ 177.182032][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 177.188257][ C1] ? kvm_arch_para_hints+0x30/0x30
[ 177.193364][ C1] ? __pv_queued_spin_lock_slowpath+0x6ba/0xb70
[ 177.200290][ C1] __pv_queued_spin_lock_slowpath+0x714/0xb70
[ 177.206706][ C1] ? memcpy+0x56/0x70
[ 177.210794][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280
[ 177.217458][ C1] ? avc_has_perm_noaudit+0x240/0x240
[ 177.223003][ C1] queued_spin_lock_slowpath+0x47/0x50
[ 177.228718][ C1] _raw_spin_lock_bh+0xd8/0xe0
[ 177.233553][ C1] ? _raw_spin_lock_irq+0xe0/0xe0
[ 177.238764][ C1] lock_sock_nested+0x92/0x290
[ 177.244385][ C1] ? sock_init_data+0xc0/0xc0
[ 177.249310][ C1] ? _raw_spin_lock_bh+0x8e/0xe0
[ 177.254772][ C1] ? _raw_spin_unlock_bh+0x51/0x60
[ 177.260151][ C1] tipc_sendstream+0x47/0x70
[ 177.264819][ C1] ? tipc_getsockopt+0x4c0/0x4c0
[ 177.270507][ C1] ____sys_sendmsg+0x5a2/0x8c0
[ 177.275570][ C1] ? __sys_sendmsg_sock+0x40/0x40
[ 177.280647][ C1] ? futex_wake+0x4b4/0x550
[ 177.285796][ C1] ? import_iovec+0x7c/0xb0
[ 177.290512][ C1] ___sys_sendmsg+0x1f0/0x260
[ 177.295533][ C1] ? __sys_sendmsg+0x250/0x250
[ 177.300679][ C1] ? __fdget+0x1a1/0x230
[ 177.305174][ C1] __x64_sys_sendmsg+0x1e2/0x2a0
[ 177.310192][ C1] ? __kasan_check_write+0x14/0x20
[ 177.315980][ C1] ? ___sys_sendmsg+0x260/0x260
[ 177.321255][ C1] ? debug_smp_processor_id+0x17/0x20
[ 177.326809][ C1] ? fpregs_assert_state_consistent+0xb1/0xe0
[ 177.333127][ C1] ? exit_to_user_mode_prepare+0x2f/0xa0
[ 177.339173][ C1] do_syscall_64+0x31/0x40
[ 177.344440][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 177.350949][ C1] RIP: 0033:0x7f554be24da9
[ 177.355521][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[ 177.375555][ C1] RSP: 002b:00007f554b9a60c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 177.384915][ C1] RAX: ffffffffffffffda RBX: 00007f554bf52f80 RCX: 00007f554be24da9
[ 177.393754][ C1] RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000004
[ 177.402933][ C1] RBP: 00007f554be7147a R08: 0000000000000000 R09: 0000000000000000
[ 177.411155][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 177.419410][ C1] R13: 000000000000000b R14: 00007f554bf52f80 R15: 00007ffd60332338
[ 177.427620][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 177.433932][ C0] NMI backtrace for cpu 0
[ 177.433942][ C0] CPU: 0 PID: 2724 Comm: syz-executor.0 Not tainted syzkaller #0
[ 177.433947][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 177.433951][ C0] RIP: 0010:tipc_node_distr_xmit+0x31/0x390
[ 177.433960][ C0] Code: 56 41 55 41 54 53 48 83 e4 e0 48 81 ec e0 00 00 00 49 89 f6 48 89 7c 24 40 65 48 8b 04 25 28 00 00 00 48 89 84 24 c0 00 00 00 <48> bb 00 00 00 00 00 fc ff df 48 c7 44 24 60 b3 8a b5 41 48 c7 44
[ 177.433964][ C0] RSP: 0018:ffffc9000228e720 EFLAGS: 00000282
[ 177.433971][ C0] RAX: a718cff81c971000 RBX: ffffc9000228eca0 RCX: ffff88811f6713c0
[ 177.433975][ C0] RDX: 0000000000000000 RSI: ffffc9000228e9e0 RDI: ffff8881073d2680
[ 177.433980][ C0] RBP: ffffc9000228e830 R08: dffffc0000000000 R09: ffffed102342f0b2
[ 177.433984][ C0] R10: ffffed102342f0b2 R11: 1ffff1102342f0b1 R12: dffffc0000000000
[ 177.433988][ C0] R13: ffff88811a178500 R14: ffffc9000228e9e0 R15: 00000000043b16bc
[ 177.433993][ C0] FS: 00007f554b9856c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 177.433996][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 177.434000][ C0] CR2: 000000c001378000 CR3: 000000010c9fe000 CR4: 00000000003506b0
[ 177.434005][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 177.434009][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 177.434011][ C0] Call Trace:
[ 177.434014][ C0] ? tipc_sk_lookup+0x544/0x5f0
[ 177.434017][ C0] ? tipc_sk_rcv+0x41a/0x1ef0
[ 177.434020][ C0] ? __local_bh_enable_ip+0x53/0x80
[ 177.434023][ C0] ? _raw_spin_trylock_bh+0xd5/0x130
[ 177.434026][ C0] ? _raw_spin_trylock+0x140/0x140
[ 177.434028][ C0] tipc_sk_rcv+0x19b9/0x1ef0
[ 177.434032][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 177.434035][ C0] ? __stack_depot_save+0x479/0x4c0
[ 177.434037][ C0] ? kasan_set_track+0x5b/0x70
[ 177.434040][ C0] ? kasan_set_track+0x4a/0x70
[ 177.434043][ C0] ? ____kasan_slab_free+0x125/0x160
[ 177.434046][ C0] ? __kasan_slab_free+0x11/0x20
[ 177.434049][ C0] ? kmem_cache_free+0x100/0x2d0
[ 177.434052][ C0] ? kfree_skbmem+0x10c/0x180
[ 177.434055][ C0] ? kfree_skb+0xc1/0x2f0
[ 177.434058][ C0] ? tipc_sk_backlog_rcv+0x16f/0x1f0
[ 177.434061][ C0] ? __release_sock+0x146/0x360
[ 177.434063][ C0] ? __sys_setsockopt+0x265/0x460
[ 177.434066][ C0] ? __skb_queue_purge+0x170/0x170
[ 177.434069][ C0] tipc_node_xmit+0x256/0xcd0
[ 177.434071][ C0] ? debug_smp_processor_id+0x17/0x20
[ 177.434074][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0
[ 177.434076][ C0] ? ____kasan_slab_free+0x130/0x160
[ 177.434078][ C0] ? __kasan_slab_free+0x11/0x20
[ 177.434080][ C0] ? slab_free_freelist_hook+0xc5/0x190
[ 177.434082][ C0] ? kfree_skbmem+0x10c/0x180
[ 177.434085][ C0] tipc_node_distr_xmit+0x292/0x390
[ 177.434087][ C0] ? tipc_node_xmit_skb+0x130/0x130
[ 177.434089][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0
[ 177.434092][ C0] tipc_sk_rcv+0x19b9/0x1ef0
[ 177.434094][ C0] ? __skb_queue_purge+0x170/0x170
[ 177.434096][ C0] tipc_node_xmit+0x256/0xcd0
[ 177.434098][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0
[ 177.434101][ C0] tipc_sk_push_backlog+0x4dd/0x790
[ 177.434103][ C0] tipc_sk_proto_rcv+0x98d/0x1ac0
[ 177.434105][ C0] ? trace_tipc_sk_dump+0x6c0/0x6c0
[ 177.434107][ C0] tipc_sk_filter_rcv+0x30ac/0x3850
[ 177.434110][ C0] ? stack_trace_snprint+0xf0/0xf0
[ 177.434112][ C0] ? kasan_set_track+0x5b/0x70
[ 177.434114][ C0] ? kasan_set_track+0x4a/0x70
[ 177.434116][ C0] ? kasan_set_free_info+0x23/0x40
[ 177.434118][ C0] ? kasan_set_track+0x5b/0x70
[ 177.434120][ C0] ? kasan_set_track+0x4a/0x70
[ 177.434122][ C0] ? kasan_set_free_info+0x23/0x40
[ 177.434125][ C0] ? ____kasan_slab_free+0x125/0x160
[ 177.434127][ C0] ? __kasan_slab_free+0x11/0x20
[ 177.434129][ C0] ? slab_free_freelist_hook+0xc5/0x190
[ 177.434131][ C0] ? kmem_cache_free+0x100/0x2d0
[ 177.434133][ C0] ? kfree_skb+0xc1/0x2f0
[ 177.434135][ C0] ? tipc_msg_reverse+0x698/0x900
[ 177.434138][ C0] ? tipc_sk_filter_rcv+0xca0/0x3850
[ 177.434140][ C0] ? tipc_sk_backlog_rcv+0x109/0x1f0
[ 177.434142][ C0] ? __release_sock+0x146/0x360
[ 177.434144][ C0] ? __sys_setsockopt+0x265/0x460
[ 177.434147][ C0] ? __x64_sys_setsockopt+0xbf/0xd0
[ 177.434149][ C0] ? do_syscall_64+0x31/0x40
[ 177.434151][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 177.434153][ C0] ? tipc_sk_dump+0xfc0/0xfc0
[ 177.434156][ C0] ? __kasan_check_write+0x14/0x20
[ 177.434158][ C0] ? _raw_spin_lock_bh+0x8e/0xe0
[ 177.434160][ C0] tipc_sk_rcv+0x7cc/0x1ef0
[ 177.434162][ C0] ? slab_free_freelist_hook+0xc5/0x190
[ 177.434165][ C0] ? kmem_cache_free+0x100/0x2d0
[ 177.434167][ C0] ? __skb_queue_purge+0x170/0x170
[ 177.434169][ C0] ? tipc_sk_filter_rcv+0x3034/0x3850
[ 177.434171][ C0] tipc_node_xmit+0x256/0xcd0
[ 177.434174][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0
[ 177.434176][ C0] tipc_node_distr_xmit+0x292/0x390
[ 177.434178][ C0] ? tipc_node_xmit_skb+0x130/0x130
[ 177.434181][ C0] ? selinux_capable+0x29c/0x380
[ 177.434183][ C0] tipc_sk_backlog_rcv+0x16f/0x1f0
[ 177.434185][ C0] ? tipc_sk_timeout+0x970/0x970
[ 177.434187][ C0] ? __local_bh_enable_ip+0x53/0x80
[ 177.434189][ C0] ? lock_sock_nested+0x1f5/0x290
[ 177.434191][ C0] __release_sock+0x146/0x360
[ 177.434194][ C0] sock_setsockopt+0x125e/0x2350
[ 177.434196][ C0] ? __sock_set_mark+0x160/0x160
[ 177.434198][ C0] ? selinux_socket_setsockopt+0x21c/0x300
[ 177.434201][ C0] ? selinux_socket_getsockopt+0x2e0/0x2e0
[ 177.434203][ C0] ? __kasan_check_write+0x14/0x20
[ 177.434205][ C0] ? _raw_spin_lock_irq+0x8f/0xe0
[ 177.434207][ C0] ? __fget_files+0x2c4/0x320
[ 177.434209][ C0] ? security_socket_setsockopt+0x82/0xa0
[ 177.434212][ C0] __sys_setsockopt+0x265/0x460
[ 177.434214][ C0] ? __ia32_sys_recv+0xb0/0xb0
[ 177.434216][ C0] ? __kasan_check_write+0x14/0x20
[ 177.434218][ C0] ? switch_fpu_return+0x197/0x340
[ 177.434220][ C0] __x64_sys_setsockopt+0xbf/0xd0
[ 177.434222][ C0] do_syscall_64+0x31/0x40
[ 177.434225][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 177.434227][ C0] RIP: 0033:0x7f554be24da9
[ 177.434234][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[ 177.434236][ C0] RSP: 002b:00007f554b9850c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 177.434242][ C0] RAX: ffffffffffffffda RBX: 00007f554bf53050 RCX: 00007f554be24da9
[ 177.434245][ C0] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
[ 177.434249][ C0] RBP: 00007f554be7147a R08: 0000000000000004 R09: 0000000000000000
[ 177.434252][ C0] R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000
[ 177.434255][ C0] R13: 000000000000000b R14: 00007f554bf53050 R15: 00007ffd60332338