Warning: Permanently added '10.128.1.98' (ED25519) to the list of known hosts. 2025/09/10 11:37:47 ignoring optional flag "type"="gce" 2025/09/10 11:37:47 parsed 1 programs [ 41.940360][ T24] kauditd_printk_skb: 18 callbacks suppressed [ 41.940375][ T24] audit: type=1400 audit(1757504267.300:92): avc: denied { unlink } for pid=317 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" 2025/09/10 11:37:47 executed programs: 0 [ 42.023683][ T317] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 42.085270][ T324] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.094829][ T324] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.104961][ T324] device bridge_slave_0 entered promiscuous mode [ 42.113117][ T324] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.122477][ T324] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.132429][ T324] device bridge_slave_1 entered promiscuous mode [ 42.175183][ T324] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.189530][ T324] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.201014][ T324] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.210309][ T324] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.230701][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.240051][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.248969][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.258217][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.268464][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.278400][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.286797][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.297173][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.308052][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.318416][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.332960][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.345165][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.362222][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.374234][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.386359][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.396983][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.407302][ T324] device veth0_vlan entered promiscuous mode [ 42.418860][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.429394][ T324] device veth1_macvtap entered promiscuous mode [ 42.441268][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.452927][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.475159][ T24] audit: type=1400 audit(1757504267.840:93): avc: denied { create } for pid=328 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 42.497917][ T24] audit: type=1400 audit(1757504267.840:94): avc: denied { write } for pid=328 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 42.523571][ T24] audit: type=1400 audit(1757504267.840:95): avc: denied { setopt } for pid=328 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 2025/09/10 11:37:52 executed programs: 514 [ 148.780231][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 148.787460][ C1] rcu: 1-...!: (9995 ticks this GP) idle=cd6/1/0x4000000000000000 softirq=5199/5199 fqs=0 last_accelerate: 9d61/c472 dyntick_enabled: 1 [ 148.802276][ C1] (t=10000 jiffies g=3809 q=185) [ 148.807754][ C1] rcu: rcu_preempt kthread starved for 10000 jiffies! g3809 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 148.819682][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 148.831063][ C1] rcu: RCU grace-period kthread stack dump: [ 148.838322][ C1] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 148.848483][ C1] Call Trace: [ 148.852021][ C1] __schedule+0xb47/0x1310 [ 148.856722][ C1] ? release_firmware_map_entry+0x190/0x190 [ 148.862829][ C1] ? __mod_timer+0x7ae/0xb30 [ 148.867691][ C1] schedule+0x13c/0x1d0 [ 148.871949][ C1] schedule_timeout+0x12c/0x2d0 [ 148.877193][ C1] ? console_conditional_schedule+0x10/0x10 [ 148.883577][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 148.889198][ C1] ? run_local_timers+0x160/0x160 [ 148.894583][ C1] ? prepare_to_swait_event+0x320/0x340 [ 148.900500][ C1] rcu_gp_kthread+0x100a/0x26a0 [ 148.905720][ C1] ? rcu_barrier_callback+0x50/0x50 [ 148.912083][ C1] ? __kasan_check_read+0x11/0x20 [ 148.917506][ C1] ? __kthread_parkme+0xb9/0x1c0 [ 148.922547][ C1] kthread+0x346/0x3d0 [ 148.926903][ C1] ? rcu_barrier_callback+0x50/0x50 [ 148.932295][ C1] ? kthread_blkcg+0xd0/0xd0 [ 148.936901][ C1] ret_from_fork+0x1f/0x30 [ 148.941529][ C1] NMI backtrace for cpu 1 [ 148.946402][ C1] CPU: 1 PID: 2413 Comm: syz-executor.0 Not tainted syzkaller #0 [ 148.954568][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 148.965344][ C1] Call Trace: [ 148.968994][ C1] [ 148.972768][ C1] __dump_stack+0x21/0x24 [ 148.977847][ C1] dump_stack_lvl+0x169/0x1d8 [ 148.982800][ C1] ? show_regs_print_info+0x18/0x18 [ 148.988121][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 148.994030][ C1] ? _raw_spin_lock+0xe0/0xe0 [ 148.999547][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 149.006300][ C1] dump_stack+0x15/0x1c [ 149.010775][ C1] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 149.017301][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 149.023648][ C1] rcu_dump_cpu_stacks+0x19c/0x2c0 [ 149.035655][ C1] rcu_sched_clock_irq+0xf79/0x1870 [ 149.041717][ C1] ? rcutree_dead_cpu+0x2f0/0x2f0 [ 149.046908][ C1] ? hrtimer_run_queues+0x166/0x430 [ 149.052397][ C1] update_process_times+0x198/0x200 [ 149.057916][ C1] tick_sched_timer+0x17c/0x240 [ 149.063189][ C1] ? tick_setup_sched_timer+0x450/0x450 [ 149.069341][ C1] __hrtimer_run_queues+0x37a/0x960 [ 149.074984][ C1] ? hrtimer_interrupt+0xdc0/0xdc0 [ 149.080715][ C1] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 149.087075][ C1] hrtimer_interrupt+0x3a6/0xdc0 [ 149.092146][ C1] ? sched_clock_cpu+0x1b/0x3d0 [ 149.097553][ C1] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 149.103903][ C1] asm_call_irq_on_stack+0xf/0x20 [ 149.109201][ C1] [ 149.112411][ C1] sysvec_apic_timer_interrupt+0x85/0xe0 [ 149.118592][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 149.124909][ C1] RIP: 0010:kvm_wait+0xc2/0x120 [ 149.130211][ C1] Code: 38 f0 75 26 41 f7 c4 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d bf 98 98 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d b0 98 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 [ 149.152250][ C1] RSP: 0018:ffffc900016376e0 EFLAGS: 00000246 [ 149.158505][ C1] RAX: 0000000000000003 RBX: ffff88810fee5e88 RCX: ffffffff814b239a [ 149.167204][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88810fee5e88 [ 149.175907][ C1] RBP: ffffc90001637790 R08: dffffc0000000000 R09: ffffed1021fdcbd2 [ 149.184841][ C1] R10: ffffed1021fdcbd2 R11: 1ffff11021fdcbd1 R12: 0000000000000246 [ 149.193562][ C1] R13: 1ffff11021fdcbd1 R14: dffffc0000000000 R15: 1ffff920002c6ee0 [ 149.201866][ C1] ? __pv_queued_spin_lock_slowpath+0x6ba/0xb70 [ 149.208467][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 149.214886][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 149.220323][ C1] ? __pv_queued_spin_lock_slowpath+0x6ba/0xb70 [ 149.226754][ C1] __pv_queued_spin_lock_slowpath+0x714/0xb70 [ 149.233624][ C1] ? memcpy+0x56/0x70 [ 149.237705][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 149.244872][ C1] ? avc_has_perm_noaudit+0x240/0x240 [ 149.250771][ C1] queued_spin_lock_slowpath+0x47/0x50 [ 149.257164][ C1] _raw_spin_lock_bh+0xd8/0xe0 [ 149.262252][ C1] ? _raw_spin_lock_irq+0xe0/0xe0 [ 149.267663][ C1] lock_sock_nested+0x92/0x290 [ 149.272931][ C1] ? sock_init_data+0xc0/0xc0 [ 149.279441][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 149.284557][ C1] ? _raw_spin_unlock_bh+0x51/0x60 [ 149.290249][ C1] tipc_sendstream+0x47/0x70 [ 149.295376][ C1] ? tipc_getsockopt+0x4c0/0x4c0 [ 149.301011][ C1] ____sys_sendmsg+0x5a2/0x8c0 [ 149.306894][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 149.312594][ C1] ? futex_wake+0x4b4/0x550 [ 149.317397][ C1] ? import_iovec+0x7c/0xb0 [ 149.322016][ C1] ___sys_sendmsg+0x1f0/0x260 [ 149.326762][ C1] ? __sys_sendmsg+0x250/0x250 [ 149.331537][ C1] ? __fdget+0x1a1/0x230 [ 149.335971][ C1] __x64_sys_sendmsg+0x1e2/0x2a0 [ 149.341525][ C1] ? ___sys_sendmsg+0x260/0x260 [ 149.347189][ C1] ? switch_fpu_return+0x197/0x340 [ 149.352887][ C1] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 149.359366][ C1] do_syscall_64+0x31/0x40 [ 149.364151][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 149.370633][ C1] RIP: 0033:0x7f96b5723da9 [ 149.375439][ 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 [ 149.397089][ C1] RSP: 002b:00007f96b52a50c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 149.405798][ C1] RAX: ffffffffffffffda RBX: 00007f96b5851f80 RCX: 00007f96b5723da9 [ 149.414636][ C1] RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000004 [ 149.423125][ C1] RBP: 00007f96b577047a R08: 0000000000000000 R09: 0000000000000000 [ 149.431545][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 149.440450][ C1] R13: 000000000000000b R14: 00007f96b5851f80 R15: 00007ffe82dacc18 [ 199.531507][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.0:2414] [ 199.541609][ C0] Modules linked in: [ 199.545690][ C0] CPU: 0 PID: 2414 Comm: syz-executor.0 Not tainted syzkaller #0 [ 199.553937][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 199.565700][ C0] RIP: 0010:tipc_sk_rcv+0x19d7/0x1ef0 [ 199.571716][ C0] Code: 8d b4 24 a0 01 00 00 e8 97 0e ff ff 48 8b 7c 24 30 48 83 ef 80 48 89 7c 24 30 be 04 00 00 00 e8 df 51 40 fd 41 be ff ff ff ff 45 0f c1 b5 80 00 00 00 bf 01 00 00 00 44 89 f6 e8 23 66 06 fd [ 199.592974][ C0] RSP: 0018:ffffc900016a6840 EFLAGS: 00000256 [ 199.599322][ C0] RAX: 0000000000000001 RBX: ffffc900016a6ca0 RCX: ffffffff845d4041 [ 199.607740][ C0] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88810fee5e80 [ 199.617113][ C0] RBP: ffffc900016a6ab0 R08: dffffc0000000000 R09: ffffed1021fdcbd1 [ 199.626218][ C0] R10: ffffed1021fdcbd1 R11: 1ffff11021fdcbd0 R12: dffffc0000000000 [ 199.636369][ C0] R13: ffff88810fee5e00 R14: 00000000ffffffff R15: 00000000bf4abf12 [ 199.645354][ C0] FS: 00007f96b52846c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 199.656215][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.663165][ C0] CR2: 00007ffe82dace28 CR3: 0000000111f88000 CR4: 00000000003506b0 [ 199.673041][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.681899][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.691773][ C0] Call Trace: [ 199.696232][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 199.702963][ C0] ? __stack_depot_save+0x479/0x4c0 [ 199.708846][ C0] ? kasan_set_track+0x5b/0x70 [ 199.714828][ C0] ? kasan_set_track+0x4a/0x70 [ 199.720058][ C0] ? ____kasan_slab_free+0x125/0x160 [ 199.726018][ C0] ? __kasan_slab_free+0x11/0x20 [ 199.731313][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.736779][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.741713][ C0] ? kfree_skb+0xc1/0x2f0 [ 199.746689][ C0] ? tipc_sk_backlog_rcv+0x16f/0x1f0 [ 199.752450][ C0] ? __release_sock+0x146/0x360 [ 199.757851][ C0] ? __sys_setsockopt+0x265/0x460 [ 199.763398][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.768922][ C0] tipc_node_xmit+0x256/0xcd0 [ 199.774073][ C0] ? debug_smp_processor_id+0x17/0x20 [ 199.779993][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.786315][ C0] ? ____kasan_slab_free+0x130/0x160 [ 199.792166][ C0] ? __kasan_slab_free+0x11/0x20 [ 199.797471][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 199.804007][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.809164][ C0] tipc_node_distr_xmit+0x292/0x390 [ 199.815092][ C0] ? tipc_node_xmit_skb+0x130/0x130 [ 199.821027][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 199.827985][ C0] tipc_sk_rcv+0x19b9/0x1ef0 [ 199.833687][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.840147][ C0] tipc_node_xmit+0x256/0xcd0 [ 199.845523][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.851295][ C0] tipc_sk_push_backlog+0x4dd/0x790 [ 199.857367][ C0] tipc_sk_proto_rcv+0x98d/0x1ac0 [ 199.863543][ C0] ? trace_tipc_sk_dump+0x6c0/0x6c0 [ 199.869188][ C0] tipc_sk_filter_rcv+0x30ac/0x3850 [ 199.874520][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 199.880261][ C0] ? kasan_set_track+0x5b/0x70 [ 199.885219][ C0] ? kasan_set_track+0x4a/0x70 [ 199.890540][ C0] ? kasan_set_free_info+0x23/0x40 [ 199.896766][ C0] ? kasan_set_track+0x5b/0x70 [ 199.901884][ C0] ? kasan_set_track+0x4a/0x70 [ 199.907051][ C0] ? kasan_set_free_info+0x23/0x40 [ 199.912630][ C0] ? ____kasan_slab_free+0x125/0x160 [ 199.918417][ C0] ? __kasan_slab_free+0x11/0x20 [ 199.923615][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 199.930044][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.936106][ C0] ? kfree_skb+0xc1/0x2f0 [ 199.940539][ C0] ? tipc_msg_reverse+0x698/0x900 [ 199.946009][ C0] ? tipc_sk_filter_rcv+0xca0/0x3850 [ 199.951581][ C0] ? tipc_sk_backlog_rcv+0x109/0x1f0 [ 199.957679][ C0] ? __release_sock+0x146/0x360 [ 199.962800][ C0] ? __sys_setsockopt+0x265/0x460 [ 199.968339][ C0] ? __x64_sys_setsockopt+0xbf/0xd0 [ 199.974539][ C0] ? do_syscall_64+0x31/0x40 [ 199.979563][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.985977][ C0] ? tipc_sk_dump+0xfc0/0xfc0 [ 199.991105][ C0] ? __kasan_check_write+0x14/0x20 [ 199.996358][ C0] ? _raw_spin_lock_bh+0x8e/0xe0 [ 200.001948][ C0] tipc_sk_rcv+0x7cc/0x1ef0 [ 200.006810][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 200.012537][ C0] ? kmem_cache_free+0x100/0x2d0 [ 200.017991][ C0] ? __skb_queue_purge+0x170/0x170 [ 200.023745][ C0] ? tipc_sk_filter_rcv+0x3034/0x3850 [ 200.029312][ C0] tipc_node_xmit+0x256/0xcd0 [ 200.034437][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 200.040680][ C0] tipc_node_distr_xmit+0x292/0x390 [ 200.046238][ C0] ? tipc_node_xmit_skb+0x130/0x130 [ 200.052157][ C0] ? selinux_capable+0x29c/0x380 [ 200.057723][ C0] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 200.063397][ C0] ? tipc_sk_timeout+0x970/0x970 [ 200.068866][ C0] ? __local_bh_enable_ip+0x53/0x80 [ 200.075604][ C0] ? lock_sock_nested+0x1f5/0x290 [ 200.082272][ C0] __release_sock+0x146/0x360 [ 200.088215][ C0] sock_setsockopt+0x125e/0x2350 [ 200.093446][ C0] ? __sock_set_mark+0x160/0x160 [ 200.098599][ C0] ? selinux_socket_setsockopt+0x21c/0x300 [ 200.104665][ C0] ? selinux_socket_getsockopt+0x2e0/0x2e0 [ 200.110994][ C0] ? __kasan_check_write+0x14/0x20 [ 200.116484][ C0] ? _raw_spin_lock_irq+0x8f/0xe0 [ 200.121691][ C0] ? __fget_files+0x2c4/0x320 [ 200.126963][ C0] ? security_socket_setsockopt+0x82/0xa0 [ 200.132701][ C0] __sys_setsockopt+0x265/0x460 [ 200.137826][ C0] ? __ia32_sys_recv+0xb0/0xb0 [ 200.143083][ C0] ? __kasan_check_write+0x14/0x20 [ 200.149560][ C0] ? switch_fpu_return+0x197/0x340 [ 200.155597][ C0] __x64_sys_setsockopt+0xbf/0xd0 [ 200.161430][ C0] do_syscall_64+0x31/0x40 [ 200.167223][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 200.174178][ C0] RIP: 0033:0x7f96b5723da9 [ 200.179497][ 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 [ 200.203622][ C0] RSP: 002b:00007f96b52840c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 200.213889][ C0] RAX: ffffffffffffffda RBX: 00007f96b5852050 RCX: 00007f96b5723da9 [ 200.223200][ C0] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 200.232033][ C0] RBP: 00007f96b577047a R08: 0000000000000004 R09: 0000000000000000 [ 200.240379][ C0] R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000 [ 200.248747][ C0] R13: 000000000000000b R14: 00007f96b5852050 R15: 00007ffe82dacc18 [ 200.256925][ C0] Sending NMI from CPU 0 to CPUs 1: [ 200.262549][ C1] NMI backtrace for cpu 1 [ 200.262559][ C1] CPU: 1 PID: 2413 Comm: syz-executor.0 Not tainted syzkaller #0 [ 200.262565][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 200.262569][ C1] RIP: 0010:__pv_queued_spin_lock_slowpath+0x584/0xb70 [ 200.262580][ C1] Code: 00 00 41 c6 06 00 48 8b 44 24 10 42 0f b6 04 38 84 c0 0f 85 c4 01 00 00 48 8b 44 24 08 c6 00 01 41 be 00 80 ff ff eb 07 f3 90 <41> ff c6 74 4b 43 0f b6 44 3d 00 84 c0 75 2e 80 3b 00 75 ea 48 89 [ 200.262584][ C1] RSP: 0018:ffffc900016377a0 EFLAGS: 00000206 [ 200.262593][ C1] RAX: 0000000000000000 RBX: ffff88810fee5e88 RCX: ffffffff814b239a [ 200.262598][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88810fee5e88 [ 200.262603][ C1] RBP: ffffc90001637890 R08: dffffc0000000000 R09: ffffed1021fdcbd2 [ 200.262607][ C1] R10: ffffed1021fdcbd2 R11: 1ffff11021fdcbd1 R12: ffff8881f73d2600 [ 200.262612][ C1] R13: 1ffff11021fdcbd1 R14: 00000000ffffe9e9 R15: dffffc0000000000 [ 200.262618][ C1] FS: 00007f96b52a56c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 200.262622][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 200.262626][ C1] CR2: 00007f96b5284d58 CR3: 0000000111f88000 CR4: 00000000003506a0 [ 200.262631][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 200.262636][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 200.262638][ C1] Call Trace: [ 200.262641][ C1] ? memcpy+0x56/0x70 [ 200.262645][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 200.262649][ C1] ? avc_has_perm_noaudit+0x240/0x240 [ 200.262652][ C1] queued_spin_lock_slowpath+0x47/0x50 [ 200.262655][ C1] _raw_spin_lock_bh+0xd8/0xe0 [ 200.262659][ C1] ? _raw_spin_lock_irq+0xe0/0xe0 [ 200.262662][ C1] lock_sock_nested+0x92/0x290 [ 200.262665][ C1] ? sock_init_data+0xc0/0xc0 [ 200.262668][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 200.262672][ C1] ? _raw_spin_unlock_bh+0x51/0x60 [ 200.262675][ C1] tipc_sendstream+0x47/0x70 [ 200.262678][ C1] ? tipc_getsockopt+0x4c0/0x4c0 [ 200.262681][ C1] ____sys_sendmsg+0x5a2/0x8c0 [ 200.262684][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 200.262688][ C1] ? futex_wake+0x4b4/0x550 [ 200.262691][ C1] ? import_iovec+0x7c/0xb0 [ 200.262694][ C1] ___sys_sendmsg+0x1f0/0x260 [ 200.262697][ C1] ? __sys_sendmsg+0x250/0x250 [ 200.262700][ C1] ? __fdget+0x1a1/0x230 [ 200.262703][ C1] __x64_sys_sendmsg+0x1e2/0x2a0 [ 200.262706][ C1] ? ___sys_sendmsg+0x260/0x260 [ 200.262710][ C1] ? switch_fpu_return+0x197/0x340 [ 200.262713][ C1] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 200.262717][ C1] do_syscall_64+0x31/0x40 [ 200.262721][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 200.262723][ C1] RIP: 0033:0x7f96b5723da9 [ 200.262734][ 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 [ 200.262738][ C1] RSP: 002b:00007f96b52a50c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 200.262747][ C1] RAX: ffffffffffffffda RBX: 00007f96b5851f80 RCX: 00007f96b5723da9 [ 200.262752][ C1] RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000004 [ 200.262757][ C1] RBP: 00007f96b577047a R08: 0000000000000000 R09: 0000000000000000 [ 200.262762][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 200.262766][ C1] R13: 000000000000000b R14: 00007f96b5851f80 R15: 00007ffe82dacc18