Warning: Permanently added '10.128.1.161' (ED25519) to the list of known hosts. 2025/09/15 08:35:13 ignoring optional flag "type"="gce" 2025/09/15 08:35:13 parsed 1 programs [ 42.476494][ T24] kauditd_printk_skb: 18 callbacks suppressed [ 42.476508][ T24] audit: type=1400 audit(1757925313.340:92): 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" 2025/09/15 08:35:13 executed programs: 0 [ 42.518342][ T317] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 42.572658][ T324] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.580894][ T324] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.589232][ T324] device bridge_slave_0 entered promiscuous mode [ 42.596472][ T324] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.604300][ T324] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.612144][ T324] device bridge_slave_1 entered promiscuous mode [ 42.648805][ T324] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.656502][ T324] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.664256][ T324] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.671763][ T324] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.690354][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.697750][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.706032][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.713974][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.723776][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.732246][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.740029][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.749232][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.758231][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.766091][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.778130][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.787729][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.801169][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.814366][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.823506][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.831102][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.840155][ T324] device veth0_vlan entered promiscuous mode [ 42.850488][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.860238][ T324] device veth1_macvtap entered promiscuous mode [ 42.869687][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.880056][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.900981][ T24] audit: type=1400 audit(1757925313.760:93): 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 [ 42.923662][ T24] audit: type=1400 audit(1757925313.760:94): avc: denied { bpf } for pid=328 comm="syz-executor.0" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 42.945426][ T24] audit: type=1400 audit(1757925313.760:95): 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 [ 42.965848][ T24] audit: type=1400 audit(1757925313.780:96): 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 [ 146.022945][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 146.030190][ C0] rcu: 0-...!: (1 GPs behind) idle=88e/1/0x4000000000000000 softirq=3696/3710 fqs=0 last_accelerate: 9c66/c376 dyntick_enabled: 1 [ 146.044029][ C0] (t=10002 jiffies g=2477 q=132) [ 146.049441][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g2477 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 146.061457][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 146.072049][ C0] rcu: RCU grace-period kthread stack dump: [ 146.078059][ C0] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 146.087471][ C0] Call Trace: [ 146.090815][ C0] __schedule+0xb47/0x1310 [ 146.095498][ C0] ? release_firmware_map_entry+0x190/0x190 [ 146.102092][ C0] ? __mod_timer+0x7ae/0xb30 [ 146.107023][ C0] schedule+0x13c/0x1d0 [ 146.111395][ C0] schedule_timeout+0x12c/0x2d0 [ 146.116348][ C0] ? console_conditional_schedule+0x10/0x10 [ 146.122535][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 146.128188][ C0] ? run_local_timers+0x160/0x160 [ 146.133245][ C0] ? prepare_to_swait_event+0x320/0x340 [ 146.139068][ C0] rcu_gp_kthread+0x100a/0x26a0 [ 146.144043][ C0] ? rcu_barrier_callback+0x50/0x50 [ 146.149270][ C0] ? __kasan_check_read+0x11/0x20 [ 146.160332][ C0] ? __kthread_parkme+0xb9/0x1c0 [ 146.165477][ C0] kthread+0x346/0x3d0 [ 146.170016][ C0] ? rcu_barrier_callback+0x50/0x50 [ 146.175494][ C0] ? kthread_blkcg+0xd0/0xd0 [ 146.180911][ C0] ret_from_fork+0x1f/0x30 [ 146.185465][ C0] NMI backtrace for cpu 0 [ 146.190216][ C0] CPU: 0 PID: 1434 Comm: syz-executor.0 Not tainted syzkaller #0 [ 146.198624][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 146.208973][ C0] Call Trace: [ 146.212476][ C0] [ 146.215430][ C0] __dump_stack+0x21/0x24 [ 146.220198][ C0] dump_stack_lvl+0x169/0x1d8 [ 146.225071][ C0] ? show_regs_print_info+0x18/0x18 [ 146.230283][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 146.235895][ C0] ? _raw_spin_lock+0xe0/0xe0 [ 146.240762][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 146.247024][ C0] dump_stack+0x15/0x1c [ 146.251453][ C0] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 146.258019][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 146.264017][ C0] rcu_dump_cpu_stacks+0x19c/0x2c0 [ 146.269411][ C0] rcu_sched_clock_irq+0xf79/0x1870 [ 146.274788][ C0] ? rcutree_dead_cpu+0x2f0/0x2f0 [ 146.280285][ C0] ? hrtimer_run_queues+0x166/0x430 [ 146.285762][ C0] update_process_times+0x198/0x200 [ 146.290982][ C0] tick_sched_timer+0x17c/0x240 [ 146.296298][ C0] ? tick_setup_sched_timer+0x450/0x450 [ 146.302033][ C0] __hrtimer_run_queues+0x37a/0x960 [ 146.307592][ C0] ? hrtimer_interrupt+0xdc0/0xdc0 [ 146.312889][ C0] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 146.319348][ C0] hrtimer_interrupt+0x3a6/0xdc0 [ 146.324479][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 146.330380][ C0] asm_call_irq_on_stack+0xf/0x20 [ 146.335492][ C0] [ 146.338540][ C0] sysvec_apic_timer_interrupt+0x85/0xe0 [ 146.344377][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 146.350652][ C0] RIP: 0010:kvm_wait+0xc2/0x120 [ 146.355526][ C0] Code: 38 f0 75 26 41 f7 c4 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d 3f 98 98 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d 30 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 [ 146.375681][ C0] RSP: 0018:ffffc900035476e0 EFLAGS: 00000246 [ 146.382182][ C0] RAX: 0000000000000003 RBX: ffff8881127bd988 RCX: ffffffff814b263a [ 146.390433][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff8881127bd988 [ 146.398614][ C0] RBP: ffffc90003547790 R08: dffffc0000000000 R09: ffffed10224f7b32 [ 146.406951][ C0] R10: ffffed10224f7b32 R11: 1ffff110224f7b31 R12: 0000000000000246 [ 146.415315][ C0] R13: 1ffff110224f7b31 R14: dffffc0000000000 R15: 1ffff920006a8ee0 [ 146.423664][ C0] ? __pv_queued_spin_lock_slowpath+0x6ba/0xb70 [ 146.430352][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 146.436707][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 146.441923][ C0] __pv_queued_spin_lock_slowpath+0x714/0xb70 [ 146.448492][ C0] ? memcpy+0x56/0x70 [ 146.452957][ C0] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 146.459590][ C0] ? avc_has_perm_noaudit+0x240/0x240 [ 146.465057][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 146.471344][ C0] _raw_spin_lock_bh+0xd8/0xe0 [ 146.476633][ C0] ? _raw_spin_lock_irq+0xe0/0xe0 [ 146.481800][ C0] lock_sock_nested+0x92/0x290 [ 146.486574][ C0] ? sock_init_data+0xc0/0xc0 [ 146.491259][ C0] ? _raw_spin_lock_bh+0x8e/0xe0 [ 146.496376][ C0] ? _raw_spin_unlock_bh+0x51/0x60 [ 146.501587][ C0] tipc_sendstream+0x47/0x70 [ 146.506580][ C0] ? tipc_getsockopt+0x4c0/0x4c0 [ 146.511623][ C0] ____sys_sendmsg+0x5a2/0x8c0 [ 146.516569][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 146.522136][ C0] ? import_iovec+0x7c/0xb0 [ 146.526856][ C0] ___sys_sendmsg+0x1f0/0x260 [ 146.531726][ C0] ? __sys_sendmsg+0x250/0x250 [ 146.536609][ C0] ? kfree+0xc0/0x270 [ 146.540791][ C0] ? btf_parse_hdr+0x555/0x7b0 [ 146.545950][ C0] ? __fdget+0x1a1/0x230 [ 146.550224][ C0] __x64_sys_sendmsg+0x1e2/0x2a0 [ 146.555274][ C0] ? __kasan_check_write+0x14/0x20 [ 146.560833][ C0] ? ___sys_sendmsg+0x260/0x260 [ 146.565885][ C0] ? debug_smp_processor_id+0x17/0x20 [ 146.571979][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 146.578414][ C0] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 146.584327][ C0] do_syscall_64+0x31/0x40 [ 146.589013][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 146.595090][ C0] RIP: 0033:0x7f4630dacda9 [ 146.599525][ 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 [ 146.619910][ C0] RSP: 002b:00007f463092e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 146.628862][ C0] RAX: ffffffffffffffda RBX: 00007f4630edaf80 RCX: 00007f4630dacda9 [ 146.637962][ C0] RDX: 0000000000000000 RSI: 0000000020000b40 RDI: 0000000000000004 [ 146.646875][ C0] RBP: 00007f4630df947a R08: 0000000000000000 R09: 0000000000000000 [ 146.655441][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 146.664521][ C0] R13: 000000000000000b R14: 00007f4630edaf80 R15: 00007fff5d563f08 [ 199.246769][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor.0:1435] [ 199.255916][ C1] Modules linked in: [ 199.260269][ C1] CPU: 1 PID: 1435 Comm: syz-executor.0 Not tainted syzkaller #0 [ 199.269124][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 199.280007][ C1] RIP: 0010:tipc_sk_rcv+0x1a22/0x1ef0 [ 199.285659][ C1] Code: 4c 89 ef e8 90 e1 32 ff eb 1b bf 01 00 00 00 44 89 f6 e8 e1 63 06 fd 45 85 f6 0f 8e 97 02 00 00 e8 23 60 06 fd 4c 8b 6c 24 10 <48> 8b 84 24 b8 00 00 00 42 0f b6 04 20 84 c0 0f 85 59 03 00 00 41 [ 199.306611][ C1] RSP: 0018:ffffc90003596840 EFLAGS: 00000293 [ 199.312969][ C1] RAX: ffffffff845d45ed RBX: ffffc90003596ca0 RCX: ffff888113160000 [ 199.321663][ C1] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000001 [ 199.330175][ C1] RBP: ffffc90003596ab0 R08: dffffc0000000000 R09: ffffed10224f7b31 [ 199.339412][ C1] R10: ffffed10224f7b31 R11: 1ffff110224f7b30 R12: dffffc0000000000 [ 199.348127][ C1] R13: ffffc90003596cb0 R14: 0000000000000005 R15: 0000000086791028 [ 199.357232][ C1] FS: 00007f463090d6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 199.367480][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.381323][ C1] CR2: 00007f463090dd58 CR3: 0000000104b8d000 CR4: 00000000003506a0 [ 199.390635][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.399507][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.408041][ C1] Call Trace: [ 199.411459][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 199.418035][ C1] ? __stack_depot_save+0x479/0x4c0 [ 199.423307][ C1] ? kasan_set_track+0x5b/0x70 [ 199.429062][ C1] ? kasan_set_track+0x4a/0x70 [ 199.434163][ C1] ? ____kasan_slab_free+0x125/0x160 [ 199.440604][ C1] ? __kasan_slab_free+0x11/0x20 [ 199.446060][ C1] ? kmem_cache_free+0x100/0x2d0 [ 199.451537][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.456495][ C1] ? kfree_skb+0xc1/0x2f0 [ 199.460930][ C1] ? tipc_sk_backlog_rcv+0x16f/0x1f0 [ 199.466494][ C1] ? __release_sock+0x146/0x360 [ 199.472312][ C1] ? __sys_setsockopt+0x265/0x460 [ 199.477508][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.483048][ C1] tipc_node_xmit+0x256/0xcd0 [ 199.488012][ C1] ? debug_smp_processor_id+0x17/0x20 [ 199.493921][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.499880][ C1] ? ____kasan_slab_free+0x130/0x160 [ 199.506257][ C1] ? __kasan_slab_free+0x11/0x20 [ 199.512431][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 199.518738][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.523870][ C1] tipc_node_distr_xmit+0x292/0x390 [ 199.529575][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 199.535302][ C1] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 199.540921][ C1] tipc_sk_rcv+0x19b9/0x1ef0 [ 199.545811][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.551022][ C1] tipc_node_xmit+0x256/0xcd0 [ 199.555711][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.561545][ C1] tipc_sk_push_backlog+0x4dd/0x790 [ 199.567665][ C1] tipc_sk_proto_rcv+0x98d/0x1ac0 [ 199.573003][ C1] ? trace_tipc_sk_dump+0x6c0/0x6c0 [ 199.578478][ C1] tipc_sk_filter_rcv+0x30ac/0x3850 [ 199.584192][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 199.589736][ C1] ? kasan_set_track+0x5b/0x70 [ 199.594930][ C1] ? kasan_set_track+0x4a/0x70 [ 199.600449][ C1] ? kasan_set_free_info+0x23/0x40 [ 199.605841][ C1] ? kasan_set_track+0x5b/0x70 [ 199.612494][ C1] ? kasan_set_track+0x4a/0x70 [ 199.618143][ C1] ? kasan_set_free_info+0x23/0x40 [ 199.624175][ C1] ? ____kasan_slab_free+0x125/0x160 [ 199.630011][ C1] ? __kasan_slab_free+0x11/0x20 [ 199.636212][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 199.642228][ C1] ? kmem_cache_free+0x100/0x2d0 [ 199.647619][ C1] ? kfree_skb+0xc1/0x2f0 [ 199.652542][ C1] ? tipc_msg_reverse+0x698/0x900 [ 199.657655][ C1] ? tipc_sk_filter_rcv+0xca0/0x3850 [ 199.664087][ C1] ? tipc_sk_backlog_rcv+0x109/0x1f0 [ 199.670479][ C1] ? __release_sock+0x146/0x360 [ 199.675411][ C1] ? __sys_setsockopt+0x265/0x460 [ 199.680924][ C1] ? __x64_sys_setsockopt+0xbf/0xd0 [ 199.686722][ C1] ? do_syscall_64+0x31/0x40 [ 199.691802][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.698434][ C1] ? tipc_sk_dump+0xfc0/0xfc0 [ 199.703569][ C1] ? __kasan_check_write+0x14/0x20 [ 199.709695][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 199.715266][ C1] tipc_sk_rcv+0x7cc/0x1ef0 [ 199.720182][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 199.725932][ C1] ? kmem_cache_free+0x100/0x2d0 [ 199.731641][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.737477][ C1] ? tipc_sk_filter_rcv+0x3034/0x3850 [ 199.743139][ C1] tipc_node_xmit+0x256/0xcd0 [ 199.748620][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.754586][ C1] tipc_node_distr_xmit+0x292/0x390 [ 199.760704][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 199.766484][ C1] ? selinux_capable+0x29c/0x380 [ 199.771654][ C1] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 199.776780][ C1] ? tipc_sk_timeout+0x970/0x970 [ 199.782179][ C1] ? __local_bh_enable_ip+0x53/0x80 [ 199.787589][ C1] ? lock_sock_nested+0x1f5/0x290 [ 199.793298][ C1] __release_sock+0x146/0x360 [ 199.798364][ C1] sock_setsockopt+0x125e/0x2350 [ 199.803616][ C1] ? __sock_set_mark+0x160/0x160 [ 199.808772][ C1] ? selinux_socket_setsockopt+0x21c/0x300 [ 199.815318][ C1] ? selinux_socket_getsockopt+0x2e0/0x2e0 [ 199.822215][ C1] ? __kasan_check_write+0x14/0x20 [ 199.827594][ C1] ? _raw_spin_lock_irq+0x8f/0xe0 [ 199.832631][ C1] ? __fget_files+0x2c4/0x320 [ 199.837661][ C1] ? security_socket_setsockopt+0x82/0xa0 [ 199.843860][ C1] __sys_setsockopt+0x265/0x460 [ 199.848808][ C1] ? __ia32_sys_recv+0xb0/0xb0 [ 199.855846][ C1] ? __kasan_check_write+0x14/0x20 [ 199.861531][ C1] ? switch_fpu_return+0x197/0x340 [ 199.866944][ C1] __x64_sys_setsockopt+0xbf/0xd0 [ 199.872497][ C1] do_syscall_64+0x31/0x40 [ 199.877443][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.884456][ C1] RIP: 0033:0x7f4630dacda9 [ 199.889105][ 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 [ 199.910565][ C1] RSP: 002b:00007f463090d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 199.919939][ C1] RAX: ffffffffffffffda RBX: 00007f4630edb050 RCX: 00007f4630dacda9 [ 199.929462][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 199.937704][ C1] RBP: 00007f4630df947a R08: 0000000000000004 R09: 0000000000000000 [ 199.946937][ C1] R10: 00000000200000c0 R11: 0000000000000246 R12: 0000000000000000 [ 199.957551][ C1] R13: 000000000000000b R14: 00007f4630edb050 R15: 00007fff5d563f08 [ 199.968265][ C1] Sending NMI from CPU 1 to CPUs 0: [ 199.974801][ C0] NMI backtrace for cpu 0 [ 199.974811][ C0] CPU: 0 PID: 1434 Comm: syz-executor.0 Not tainted syzkaller #0 [ 199.974817][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 199.974821][ C0] RIP: 0010:__pv_queued_spin_lock_slowpath+0x584/0xb70 [ 199.974832][ C0] 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 [ 199.974837][ C0] RSP: 0018:ffffc900035477a0 EFLAGS: 00000206 [ 199.974846][ C0] RAX: 0000000000000000 RBX: ffff8881127bd988 RCX: ffffffff814b263a [ 199.974850][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff8881127bd988 [ 199.974855][ C0] RBP: ffffc90003547890 R08: dffffc0000000000 R09: ffffed10224f7b32 [ 199.974860][ C0] R10: ffffed10224f7b32 R11: 1ffff110224f7b31 R12: ffff8881f73d2380 [ 199.974865][ C0] R13: 1ffff110224f7b31 R14: 00000000ffffc43f R15: dffffc0000000000 [ 199.974870][ C0] FS: 00007f463092e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 199.974874][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.974879][ C0] CR2: 0000000020000000 CR3: 0000000104b8d000 CR4: 00000000003506b0 [ 199.974884][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.974889][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.974891][ C0] Call Trace: [ 199.974894][ C0] ? memcpy+0x56/0x70 [ 199.974898][ C0] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 199.974901][ C0] ? avc_has_perm_noaudit+0x240/0x240 [ 199.974905][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 199.974908][ C0] _raw_spin_lock_bh+0xd8/0xe0 [ 199.974912][ C0] ? _raw_spin_lock_irq+0xe0/0xe0 [ 199.974915][ C0] lock_sock_nested+0x92/0x290 [ 199.974918][ C0] ? sock_init_data+0xc0/0xc0 [ 199.974921][ C0] ? _raw_spin_lock_bh+0x8e/0xe0 [ 199.974925][ C0] ? _raw_spin_unlock_bh+0x51/0x60 [ 199.974928][ C0] tipc_sendstream+0x47/0x70 [ 199.974931][ C0] ? tipc_getsockopt+0x4c0/0x4c0 [ 199.974934][ C0] ____sys_sendmsg+0x5a2/0x8c0 [ 199.974938][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 199.974941][ C0] ? import_iovec+0x7c/0xb0 [ 199.974944][ C0] ___sys_sendmsg+0x1f0/0x260 [ 199.974947][ C0] ? __sys_sendmsg+0x250/0x250 [ 199.974950][ C0] ? kfree+0xc0/0x270 [ 199.974953][ C0] ? btf_parse_hdr+0x555/0x7b0 [ 199.974956][ C0] ? __fdget+0x1a1/0x230 [ 199.974959][ C0] __x64_sys_sendmsg+0x1e2/0x2a0 [ 199.974963][ C0] ? __kasan_check_write+0x14/0x20 [ 199.974966][ C0] ? ___sys_sendmsg+0x260/0x260 [ 199.974969][ C0] ? debug_smp_processor_id+0x17/0x20 [ 199.974973][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 199.974977][ C0] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 199.974980][ C0] do_syscall_64+0x31/0x40 [ 199.974984][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.974987][ C0] RIP: 0033:0x7f4630dacda9 [ 199.974997][ 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 [ 199.975001][ C0] RSP: 002b:00007f463092e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 199.975010][ C0] RAX: ffffffffffffffda RBX: 00007f4630edaf80 RCX: 00007f4630dacda9 [ 199.975014][ C0] RDX: 0000000000000000 RSI: 0000000020000b40 RDI: 0000000000000004 [ 199.975019][ C0] RBP: 00007f4630df947a R08: 0000000000000000 R09: 0000000000000000 [ 199.975024][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 199.975029][ C0] R13: 000000000000000b R14: 00007f4630edaf80 R15: 00007fff5d563f08