Warning: Permanently added '10.128.0.106' (ED25519) to the list of known hosts. 2025/10/31 11:13:45 ignoring optional flag "type"="gce" 2025/10/31 11:13:45 parsed 1 programs [ 39.518040][ T24] kauditd_printk_skb: 18 callbacks suppressed [ 39.518053][ T24] audit: type=1400 audit(1761909225.620:92): 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" 2025/10/31 11:13:45 executed programs: 0 [ 39.623172][ T317] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 39.671960][ T324] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.679043][ T324] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.686433][ T324] device bridge_slave_0 entered promiscuous mode [ 39.693147][ T324] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.700195][ T324] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.707468][ T324] device bridge_slave_1 entered promiscuous mode [ 39.740268][ T324] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.747417][ T324] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.754674][ T324] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.761689][ T324] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.777824][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.785194][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.792430][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.800080][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.809865][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.818357][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.825397][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.834661][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.843398][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.850444][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.861817][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.870850][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.883015][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.894144][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.902252][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.909748][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.917800][ T324] device veth0_vlan entered promiscuous mode [ 39.927271][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.936015][ T324] device veth1_macvtap entered promiscuous mode [ 39.945261][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.954842][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.973180][ T24] audit: type=1400 audit(1761909226.070:93): 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 [ 39.993203][ T24] audit: type=1400 audit(1761909226.070:94): 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 [ 40.013207][ T24] audit: type=1400 audit(1761909226.070:95): 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 2025/10/31 11:13:50 executed programs: 782 2025/10/31 11:13:55 executed programs: 1652 2025/10/31 11:14:00 executed programs: 2517 2025/10/31 11:14:05 executed programs: 3387 2025/10/31 11:14:10 executed programs: 4261 2025/10/31 11:14:15 executed programs: 5138 2025/10/31 11:14:20 executed programs: 6005 2025/10/31 11:14:25 executed programs: 6862 2025/10/31 11:14:30 executed programs: 7729 2025/10/31 11:14:35 executed programs: 8589 2025/10/31 11:14:40 executed programs: 9460 2025/10/31 11:14:45 executed programs: 10331 2025/10/31 11:14:50 executed programs: 11196 2025/10/31 11:14:55 executed programs: 12076 2025/10/31 11:15:00 executed programs: 13131 2025/10/31 11:15:05 executed programs: 14272 [ 222.034253][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 222.040920][ C0] rcu: 0-...!: (10000 ticks this GP) idle=67a/1/0x4000000000000000 softirq=74400/74400 fqs=0 last_accelerate: ba30/e140 dyntick_enabled: 1 [ 222.055318][ C0] (t=10002 jiffies g=41093 q=179) [ 222.060430][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g41093 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 222.071902][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 222.081946][ C0] rcu: RCU grace-period kthread stack dump: [ 222.087842][ C0] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 222.097056][ C0] Call Trace: [ 222.100363][ C0] __schedule+0xb47/0x1310 [ 222.104784][ C0] ? release_firmware_map_entry+0x190/0x190 [ 222.110672][ C0] ? __mod_timer+0x7ae/0xb30 [ 222.115346][ C0] schedule+0x13c/0x1d0 [ 222.119500][ C0] schedule_timeout+0x12c/0x2d0 [ 222.124346][ C0] ? console_conditional_schedule+0x10/0x10 [ 222.130233][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 222.135688][ C0] ? run_local_timers+0x160/0x160 [ 222.140707][ C0] ? prepare_to_swait_event+0x320/0x340 [ 222.146248][ C0] rcu_gp_kthread+0x100a/0x26a0 [ 222.151256][ C0] ? rcu_barrier_callback+0x50/0x50 [ 222.156465][ C0] ? __kasan_check_read+0x11/0x20 [ 222.161493][ C0] ? __kthread_parkme+0xb9/0x1c0 [ 222.166432][ C0] kthread+0x346/0x3d0 [ 222.170499][ C0] ? rcu_barrier_callback+0x50/0x50 [ 222.175694][ C0] ? kthread_blkcg+0xd0/0xd0 [ 222.180279][ C0] ret_from_fork+0x1f/0x30 [ 222.184711][ C0] NMI backtrace for cpu 0 [ 222.189051][ C0] CPU: 0 PID: 12320 Comm: syz-executor.0 Not tainted syzkaller #0 [ 222.196843][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 222.206892][ C0] Call Trace: [ 222.210174][ C0] [ 222.213034][ C0] __dump_stack+0x21/0x24 [ 222.217368][ C0] dump_stack_lvl+0x169/0x1d8 [ 222.222038][ C0] ? show_regs_print_info+0x18/0x18 [ 222.227228][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 222.232677][ C0] ? _raw_spin_lock+0xe0/0xe0 [ 222.237351][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 222.243407][ C0] dump_stack+0x15/0x1c [ 222.247556][ C0] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 222.253528][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 222.259409][ C0] rcu_dump_cpu_stacks+0x19c/0x2c0 [ 222.264517][ C0] rcu_sched_clock_irq+0xf79/0x1870 [ 222.269709][ C0] ? rcutree_dead_cpu+0x2f0/0x2f0 [ 222.274724][ C0] ? hrtimer_run_queues+0x166/0x430 [ 222.279912][ C0] update_process_times+0x198/0x200 [ 222.285105][ C0] tick_sched_timer+0x17c/0x240 [ 222.289947][ C0] ? tick_setup_sched_timer+0x450/0x450 [ 222.295487][ C0] __hrtimer_run_queues+0x37a/0x960 [ 222.300684][ C0] ? hrtimer_interrupt+0xdc0/0xdc0 [ 222.305808][ C0] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 222.311876][ C0] hrtimer_interrupt+0x3a6/0xdc0 [ 222.316819][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 222.322726][ C0] asm_call_irq_on_stack+0xf/0x20 [ 222.327734][ C0] [ 222.330669][ C0] sysvec_apic_timer_interrupt+0x85/0xe0 [ 222.336299][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 222.342272][ C0] RIP: 0010:kvm_wait+0xc2/0x120 [ 222.347151][ C0] Code: 38 f0 75 26 41 f7 c4 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d af 98 98 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d a0 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 [ 222.366763][ C0] RSP: 0018:ffffc90001dd76e0 EFLAGS: 00000246 [ 222.372834][ C0] RAX: 0000000000000003 RBX: ffff88811a0e8f88 RCX: ffffffff814b25ba [ 222.380805][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88811a0e8f88 [ 222.388779][ C0] RBP: ffffc90001dd7790 R08: dffffc0000000000 R09: ffffed102341d1f2 [ 222.396756][ C0] R10: ffffed102341d1f2 R11: 1ffff1102341d1f1 R12: 0000000000000246 [ 222.404731][ C0] R13: 1ffff1102341d1f1 R14: dffffc0000000000 R15: 1ffff920003baee0 [ 222.412713][ C0] ? __pv_queued_spin_lock_slowpath+0x6ba/0xb70 [ 222.418959][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 222.425116][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 222.430240][ C0] ? __pv_queued_spin_lock_slowpath+0x6ba/0xb70 [ 222.436487][ C0] __pv_queued_spin_lock_slowpath+0x714/0xb70 [ 222.442554][ C0] ? memcpy+0x56/0x70 [ 222.446539][ C0] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 222.452948][ C0] ? avc_has_perm_noaudit+0x240/0x240 [ 222.458314][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 222.463771][ C0] _raw_spin_lock_bh+0xd8/0xe0 [ 222.468548][ C0] ? _raw_spin_lock_irq+0xe0/0xe0 [ 222.473569][ C0] lock_sock_nested+0x92/0x290 [ 222.478333][ C0] ? sock_init_data+0xc0/0xc0 [ 222.483004][ C0] ? _raw_spin_lock_bh+0x8e/0xe0 [ 222.487946][ C0] ? _raw_spin_unlock_bh+0x51/0x60 [ 222.493064][ C0] tipc_sendstream+0x47/0x70 [ 222.497652][ C0] ? tipc_getsockopt+0x4c0/0x4c0 [ 222.502665][ C0] ____sys_sendmsg+0x5a2/0x8c0 [ 222.507508][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 222.512529][ C0] ? import_iovec+0x7c/0xb0 [ 222.517032][ C0] ___sys_sendmsg+0x1f0/0x260 [ 222.521706][ C0] ? __sys_sendmsg+0x250/0x250 [ 222.526482][ C0] ? __kasan_check_write+0x14/0x20 [ 222.531616][ C0] ? _raw_spin_lock_irq+0x8f/0xe0 [ 222.536638][ C0] ? __fdget+0x1a1/0x230 [ 222.540880][ C0] __x64_sys_sendmsg+0x1e2/0x2a0 [ 222.545815][ C0] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 222.551359][ C0] ? ___sys_sendmsg+0x260/0x260 [ 222.556210][ C0] ? switch_fpu_return+0x197/0x340 [ 222.561340][ C0] ? debug_smp_processor_id+0x17/0x20 [ 222.566722][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 222.572815][ C0] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 222.578453][ C0] do_syscall_64+0x31/0x40 [ 222.582866][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 222.588769][ C0] RIP: 0033:0x7f2c97057da9 [ 222.593181][ 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 [ 222.613026][ C0] RSP: 002b:00007f2c96bb80c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 222.621445][ C0] RAX: ffffffffffffffda RBX: 00007f2c97186050 RCX: 00007f2c97057da9 [ 222.629427][ C0] RDX: 0000000000000000 RSI: 0000000020000480 RDI: 0000000000000004 [ 222.637396][ C0] RBP: 00007f2c970a447a R08: 0000000000000000 R09: 0000000000000000 [ 222.645359][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 222.653335][ C0] R13: 000000000000000b R14: 00007f2c97186050 R15: 00007fff46b309c8 [ 264.948542][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor.0:12319] [ 264.957238][ C1] Modules linked in: [ 264.961128][ C1] CPU: 1 PID: 12319 Comm: syz-executor.0 Not tainted syzkaller #0 [ 264.968909][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 264.978954][ C1] RIP: 0010:_raw_spin_trylock_bh+0x87/0x130 [ 264.984837][ C1] Code: 44 25 00 4c 8b 75 08 bf 01 02 00 00 e8 12 03 cc fc 48 89 df be 04 00 00 00 e8 65 88 25 fd 48 89 d8 48 c1 e8 03 42 0f b6 04 20 <84> c0 75 7e 8b 03 89 44 24 20 85 c0 75 33 4c 8d 7c 24 20 48 89 df [ 265.004551][ C1] RSP: 0018:ffffc9000127e7a0 EFLAGS: 00000a02 [ 265.010604][ C1] RAX: 0000000000000000 RBX: ffff88811a0e8f88 RCX: ffffffff84780edb [ 265.018568][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88811a0e8f88 [ 265.026521][ C1] RBP: ffffc9000127e830 R08: dffffc0000000000 R09: ffffed102341d1f2 [ 265.034477][ C1] R10: ffffed102341d1f2 R11: 1ffff1102341d1f1 R12: dffffc0000000000 [ 265.042437][ C1] R13: 1ffff9200024fcf4 R14: ffffffff845d4f2a R15: 00000000613245f7 [ 265.050397][ C1] FS: 00007f2c96bd96c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.059313][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.065907][ C1] CR2: 0000000020000000 CR3: 000000011cb45000 CR4: 00000000003506a0 [ 265.073870][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.081825][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.089785][ C1] Call Trace: [ 265.093187][ C1] ? _raw_spin_trylock+0x140/0x140 [ 265.098282][ C1] tipc_sk_rcv+0x41a/0x1ef0 [ 265.102763][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 265.108548][ C1] ? __stack_depot_save+0x479/0x4c0 [ 265.114158][ C1] ? kasan_set_track+0x5b/0x70 [ 265.118901][ C1] ? kasan_set_track+0x4a/0x70 [ 265.123641][ C1] ? ____kasan_slab_free+0x125/0x160 [ 265.128915][ C1] ? __kasan_slab_free+0x11/0x20 [ 265.133836][ C1] ? kmem_cache_free+0x100/0x2d0 [ 265.138771][ C1] ? kfree_skbmem+0x10c/0x180 [ 265.143441][ C1] ? kfree_skb+0xc1/0x2f0 [ 265.147761][ C1] ? tipc_sk_backlog_rcv+0x16f/0x1f0 [ 265.153046][ C1] ? __release_sock+0x146/0x360 [ 265.157910][ C1] ? __sys_setsockopt+0x265/0x460 [ 265.162921][ C1] ? __skb_queue_purge+0x170/0x170 [ 265.168038][ C1] tipc_node_xmit+0x256/0xcd0 [ 265.172732][ C1] ? debug_smp_processor_id+0x17/0x20 [ 265.178088][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 265.183612][ C1] ? ____kasan_slab_free+0x130/0x160 [ 265.188879][ C1] ? __kasan_slab_free+0x11/0x20 [ 265.193837][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 265.199388][ C1] ? kfree_skbmem+0x10c/0x180 [ 265.204050][ C1] tipc_node_distr_xmit+0x292/0x390 [ 265.209230][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 265.214419][ C1] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 265.219787][ C1] tipc_sk_rcv+0x19b9/0x1ef0 [ 265.224376][ C1] ? __skb_queue_purge+0x170/0x170 [ 265.229472][ C1] tipc_node_xmit+0x256/0xcd0 [ 265.234131][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 265.239659][ C1] tipc_sk_push_backlog+0x4dd/0x790 [ 265.244844][ C1] tipc_sk_proto_rcv+0x98d/0x1ac0 [ 265.249865][ C1] ? trace_tipc_sk_dump+0x6c0/0x6c0 [ 265.255044][ C1] tipc_sk_filter_rcv+0x30ac/0x3850 [ 265.260229][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 265.265343][ C1] ? kasan_set_track+0x5b/0x70 [ 265.270108][ C1] ? kasan_set_track+0x4a/0x70 [ 265.274858][ C1] ? kasan_set_free_info+0x23/0x40 [ 265.279948][ C1] ? kasan_set_track+0x5b/0x70 [ 265.284690][ C1] ? kasan_set_track+0x4a/0x70 [ 265.289434][ C1] ? kasan_set_free_info+0x23/0x40 [ 265.294523][ C1] ? ____kasan_slab_free+0x125/0x160 [ 265.299822][ C1] ? __kasan_slab_free+0x11/0x20 [ 265.304744][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 265.310277][ C1] ? kmem_cache_free+0x100/0x2d0 [ 265.315196][ C1] ? kfree_skb+0xc1/0x2f0 [ 265.319506][ C1] ? tipc_msg_reverse+0x698/0x900 [ 265.324514][ C1] ? tipc_sk_filter_rcv+0xca0/0x3850 [ 265.329779][ C1] ? tipc_sk_backlog_rcv+0x109/0x1f0 [ 265.335048][ C1] ? __release_sock+0x146/0x360 [ 265.339882][ C1] ? __sys_setsockopt+0x265/0x460 [ 265.344885][ C1] ? __x64_sys_setsockopt+0xbf/0xd0 [ 265.350097][ C1] ? do_syscall_64+0x31/0x40 [ 265.354669][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.360731][ C1] ? tipc_sk_dump+0xfc0/0xfc0 [ 265.365392][ C1] ? __kasan_check_write+0x14/0x20 [ 265.370488][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 265.375423][ C1] tipc_sk_rcv+0x7cc/0x1ef0 [ 265.379906][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 265.385521][ C1] ? kmem_cache_free+0x100/0x2d0 [ 265.390444][ C1] ? __skb_queue_purge+0x170/0x170 [ 265.395537][ C1] ? tipc_sk_filter_rcv+0x3034/0x3850 [ 265.400896][ C1] ? __kasan_check_write+0x14/0x20 [ 265.406001][ C1] tipc_node_xmit+0x256/0xcd0 [ 265.410671][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 265.416288][ C1] tipc_node_distr_xmit+0x292/0x390 [ 265.421470][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 265.426648][ C1] ? futex_wait+0x526/0x680 [ 265.431257][ C1] ? selinux_capable+0x29c/0x380 [ 265.436192][ C1] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 265.441284][ C1] ? tipc_sk_timeout+0x970/0x970 [ 265.446200][ C1] ? __local_bh_enable_ip+0x53/0x80 [ 265.451378][ C1] ? lock_sock_nested+0x1f5/0x290 [ 265.456388][ C1] __release_sock+0x146/0x360 [ 265.461070][ C1] sock_setsockopt+0x125e/0x2350 [ 265.465990][ C1] ? __sock_set_mark+0x160/0x160 [ 265.470928][ C1] ? selinux_socket_setsockopt+0x21c/0x300 [ 265.476728][ C1] ? selinux_socket_getsockopt+0x2e0/0x2e0 [ 265.482535][ C1] ? __fget_files+0x2c4/0x320 [ 265.487207][ C1] ? security_socket_setsockopt+0x82/0xa0 [ 265.492910][ C1] __sys_setsockopt+0x265/0x460 [ 265.497743][ C1] ? __ia32_sys_recv+0xb0/0xb0 [ 265.502482][ C1] ? switch_fpu_return+0x197/0x340 [ 265.507572][ C1] __x64_sys_setsockopt+0xbf/0xd0 [ 265.512573][ C1] do_syscall_64+0x31/0x40 [ 265.516976][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.522849][ C1] RIP: 0033:0x7f2c97057da9 [ 265.527328][ 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 [ 265.547125][ C1] RSP: 002b:00007f2c96bd90c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 265.555523][ C1] RAX: ffffffffffffffda RBX: 00007f2c97185f80 RCX: 00007f2c97057da9 [ 265.563489][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 265.571446][ C1] RBP: 00007f2c970a447a R08: 0000000000000004 R09: 0000000000000000 [ 265.579406][ C1] R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000 [ 265.587393][ C1] R13: 000000000000000b R14: 00007f2c97185f80 R15: 00007fff46b309c8 [ 265.595364][ C1] Sending NMI from CPU 1 to CPUs 0: [ 265.601167][ C0] NMI backtrace for cpu 0 [ 265.601176][ C0] CPU: 0 PID: 12320 Comm: syz-executor.0 Not tainted syzkaller #0 [ 265.601182][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 265.601186][ C0] RIP: 0010:kvm_wait+0xc2/0x120 [ 265.601197][ C0] Code: 38 f0 75 26 41 f7 c4 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d af 98 98 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d a0 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 [ 265.601201][ C0] RSP: 0018:ffffc90001dd76e0 EFLAGS: 00000246 [ 265.601209][ C0] RAX: 0000000000000003 RBX: ffff88811a0e8f88 RCX: ffffffff814b25ba [ 265.601214][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88811a0e8f88 [ 265.601220][ C0] RBP: ffffc90001dd7790 R08: dffffc0000000000 R09: ffffed102341d1f2 [ 265.601224][ C0] R10: ffffed102341d1f2 R11: 1ffff1102341d1f1 R12: 0000000000000246 [ 265.601229][ C0] R13: 1ffff1102341d1f1 R14: dffffc0000000000 R15: 1ffff920003baee0 [ 265.601247][ C0] FS: 00007f2c96bb86c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.601251][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.601256][ C0] CR2: 00007f2c96bb8d58 CR3: 000000011cb45000 CR4: 00000000003506b0 [ 265.601261][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.601265][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.601268][ C0] Call Trace: [ 265.601272][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 265.601275][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 265.601279][ C0] ? __pv_queued_spin_lock_slowpath+0x6ba/0xb70 [ 265.601287][ C0] __pv_queued_spin_lock_slowpath+0x714/0xb70 [ 265.601290][ C0] ? memcpy+0x56/0x70 [ 265.601294][ C0] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 265.601298][ C0] ? avc_has_perm_noaudit+0x240/0x240 [ 265.601301][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 265.601304][ C0] _raw_spin_lock_bh+0xd8/0xe0 [ 265.601308][ C0] ? _raw_spin_lock_irq+0xe0/0xe0 [ 265.601315][ C0] lock_sock_nested+0x92/0x290 [ 265.601318][ C0] ? sock_init_data+0xc0/0xc0 [ 265.601321][ C0] ? _raw_spin_lock_bh+0x8e/0xe0 [ 265.601325][ C0] ? _raw_spin_unlock_bh+0x51/0x60 [ 265.601328][ C0] tipc_sendstream+0x47/0x70 [ 265.601331][ C0] ? tipc_getsockopt+0x4c0/0x4c0 [ 265.601334][ C0] ____sys_sendmsg+0x5a2/0x8c0 [ 265.601338][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 265.601341][ C0] ? import_iovec+0x7c/0xb0 [ 265.601344][ C0] ___sys_sendmsg+0x1f0/0x260 [ 265.601347][ C0] ? __sys_sendmsg+0x250/0x250 [ 265.601350][ C0] ? __kasan_check_write+0x14/0x20 [ 265.601353][ C0] ? _raw_spin_lock_irq+0x8f/0xe0 [ 265.601356][ C0] ? __fdget+0x1a1/0x230 [ 265.601359][ C0] __x64_sys_sendmsg+0x1e2/0x2a0 [ 265.601363][ C0] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 265.601366][ C0] ? ___sys_sendmsg+0x260/0x260 [ 265.601369][ C0] ? switch_fpu_return+0x197/0x340 [ 265.601373][ C0] ? debug_smp_processor_id+0x17/0x20 [ 265.601377][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 265.601380][ C0] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 265.601383][ C0] do_syscall_64+0x31/0x40 [ 265.601387][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.601390][ C0] RIP: 0033:0x7f2c97057da9 [ 265.601400][ 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 [ 265.601404][ C0] RSP: 002b:00007f2c96bb80c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.601413][ C0] RAX: ffffffffffffffda RBX: 00007f2c97186050 RCX: 00007f2c97057da9 [ 265.601417][ C0] RDX: 0000000000000000 RSI: 0000000020000480 RDI: 0000000000000004 [ 265.601422][ C0] RBP: 00007f2c970a447a R08: 0000000000000000 R09: 0000000000000000 [ 265.601427][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.601431][ C0] R13: 000000000000000b R14: 00007f2c97186050 R15: 00007fff46b309c8