Warning: Permanently added '10.128.0.49' (ED25519) to the list of known hosts. 2026/03/07 08:43:10 parsed 1 programs [ 44.165148][ T24] kauditd_printk_skb: 30 callbacks suppressed [ 44.165159][ T24] audit: type=1400 audit(1772872991.530:104): avc: denied { unlink } for pid=404 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 44.207885][ T404] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 44.632275][ T408] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.639435][ T408] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.647305][ T408] device bridge_slave_0 entered promiscuous mode [ 44.654754][ T408] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.662083][ T408] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.669754][ T408] device bridge_slave_1 entered promiscuous mode [ 44.717138][ T408] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.724760][ T408] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.732417][ T408] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.739576][ T408] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.755903][ T300] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.763202][ T300] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.770712][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.778493][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.787811][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.795956][ T300] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.802998][ T300] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.811456][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.819850][ T300] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.826877][ T300] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.838119][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.847606][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.860818][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.871724][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.880094][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.887628][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.895984][ T408] device veth0_vlan entered promiscuous mode [ 44.905301][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.915189][ T408] device veth1_macvtap entered promiscuous mode [ 44.924072][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.934762][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.080320][ T24] audit: type=1400 audit(1772872992.450:105): avc: denied { create } for pid=428 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 45.274876][ T24] audit: type=1401 audit(1772872992.640:106): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 45.447754][ T300] device bridge_slave_1 left promiscuous mode [ 45.454467][ T300] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.462307][ T300] device bridge_slave_0 left promiscuous mode [ 45.468903][ T300] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.476475][ T300] device veth1_macvtap left promiscuous mode [ 45.482537][ T300] device veth0_vlan left promiscuous mode 2026/03/07 08:43:13 executed programs: 0 [ 45.680135][ T24] audit: type=1400 audit(1772872993.050:107): avc: denied { write } for pid=395 comm="syz-execprog" path="pipe:[14787]" dev="pipefs" ino=14787 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 45.716339][ T464] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.723444][ T464] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.731247][ T464] device bridge_slave_0 entered promiscuous mode [ 45.738428][ T464] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.745501][ T464] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.752910][ T464] device bridge_slave_1 entered promiscuous mode [ 45.786088][ T464] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.793244][ T464] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.800629][ T464] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.807666][ T464] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.823355][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.831156][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.838513][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.850392][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.859097][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.866140][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.873971][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.882264][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.889421][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.900562][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.909981][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.922569][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.932922][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.941235][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.948942][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.957596][ T464] device veth0_vlan entered promiscuous mode [ 45.966790][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.976330][ T464] device veth1_macvtap entered promiscuous mode [ 45.985130][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.995857][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.018425][ T24] audit: type=1400 audit(1772872993.390:108): avc: denied { create } for pid=468 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 46.038275][ T24] audit: type=1400 audit(1772872993.390:109): avc: denied { write } for pid=468 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 46.069432][ T24] audit: type=1400 audit(1772872993.440:110): avc: denied { setopt } for pid=468 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 146.136898][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 146.143526][ C0] rcu: 0-...!: (1 GPs behind) idle=e1a/1/0x4000000000000000 softirq=2573/2575 fqs=39 last_accelerate: 9c82/c392 dyntick_enabled: 1 [ 146.157043][ C0] (t=10000 jiffies g=1325 q=88) [ 146.162152][ C0] rcu: rcu_preempt kthread starved for 9922 jiffies! g1325 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 146.173487][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 146.183432][ C0] rcu: RCU grace-period kthread stack dump: [ 146.189547][ C0] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 146.198763][ C0] Call Trace: [ 146.202047][ C0] __schedule+0xb53/0x1320 [ 146.206452][ C0] ? __sched_text_start+0x8/0x8 [ 146.211280][ C0] ? __mod_timer+0x7da/0xb50 [ 146.215882][ C0] schedule+0x13c/0x1d0 [ 146.220016][ C0] schedule_timeout+0x159/0x330 [ 146.224878][ C0] ? console_conditional_schedule+0x10/0x10 [ 146.230765][ C0] ? run_local_timers+0x160/0x160 [ 146.235778][ C0] ? prepare_to_swait_event+0x320/0x340 [ 146.241391][ C0] rcu_gp_kthread+0x1045/0x2730 [ 146.246332][ C0] ? dyntick_save_progress_counter+0x1b0/0x1b0 [ 146.252498][ C0] ? rcu_barrier_callback+0x50/0x50 [ 146.257686][ C0] ? __kasan_check_read+0x11/0x20 [ 146.262735][ C0] ? __kthread_parkme+0xb9/0x1c0 [ 146.267665][ C0] kthread+0x346/0x3d0 [ 146.271731][ C0] ? rcu_barrier_callback+0x50/0x50 [ 146.276921][ C0] ? kthread_blkcg+0xd0/0xd0 [ 146.281498][ C0] ret_from_fork+0x1f/0x30 [ 146.285909][ C0] NMI backtrace for cpu 0 [ 146.290217][ C0] CPU: 0 PID: 472 Comm: syz.2.17 Not tainted syzkaller #0 [ 146.297301][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 146.307346][ C0] Call Trace: [ 146.310616][ C0] [ 146.313449][ C0] __dump_stack+0x21/0x24 [ 146.317850][ C0] dump_stack_lvl+0x1a7/0x208 [ 146.322597][ C0] ? show_regs_print_info+0x18/0x18 [ 146.327775][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 146.333234][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 146.337933][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 146.343975][ C0] dump_stack+0x15/0x1c [ 146.348113][ C0] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 146.354072][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 146.360053][ C0] rcu_dump_cpu_stacks+0x19c/0x2c0 [ 146.365140][ C0] rcu_sched_clock_irq+0xf88/0x1880 [ 146.370339][ C0] ? rcutree_dead_cpu+0x310/0x310 [ 146.375340][ C0] ? hrtimer_run_queues+0x166/0x430 [ 146.380613][ C0] update_process_times+0x198/0x200 [ 146.385843][ C0] tick_sched_timer+0x17c/0x240 [ 146.390721][ C0] ? tick_setup_sched_timer+0x450/0x450 [ 146.396339][ C0] __hrtimer_run_queues+0x380/0x970 [ 146.401531][ C0] ? process_backlog+0x5e0/0x600 [ 146.406447][ C0] ? hrtimer_interrupt+0xdc0/0xdc0 [ 146.411629][ C0] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 146.417683][ C0] hrtimer_interrupt+0x3a6/0xdc0 [ 146.422780][ C0] ? sched_clock_cpu+0x1b/0x3d0 [ 146.427629][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 146.433761][ C0] asm_call_irq_on_stack+0xf/0x20 [ 146.438786][ C0] [ 146.441857][ C0] sysvec_apic_timer_interrupt+0x85/0xe0 [ 146.447497][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 146.453471][ C0] RIP: 0010:preempt_count_add+0x32/0x1b0 [ 146.459085][ C0] Code: 53 49 bf 00 00 00 00 00 fc ff df 48 c7 c0 c0 08 e8 86 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 01 01 00 00 83 3d 3e 38 a3 05 00 <75> 07 65 8b 05 01 9d bd 7e 65 01 3d fa 9c bd 7e 48 c7 c0 c0 08 e8 [ 146.478692][ C0] RSP: 0018:ffffc900013469d8 EFLAGS: 00000246 [ 146.485572][ C0] RAX: 0000000000000004 RBX: ffff88811735b288 RCX: ffffffff86e80803 [ 146.493540][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000201 [ 146.501581][ C0] RBP: ffffc900013469f0 R08: ffff88811735b283 R09: 1ffff11022e6b650 [ 146.509776][ C0] R10: dffffc0000000000 R11: ffffed1022e6b651 R12: dffffc0000000000 [ 146.517900][ C0] R13: 1ffff92000268d40 R14: ffffffff84678b0a R15: dffffc0000000000 [ 146.525883][ C0] ? tipc_sk_rcv+0x37a/0x1dc0 [ 146.530671][ C0] ? tipc_sk_rcv+0x37a/0x1dc0 [ 146.535660][ C0] _raw_spin_trylock_bh+0x6e/0x150 [ 146.540762][ C0] ? _raw_spin_trylock+0x150/0x150 [ 146.545861][ C0] ? tipc_sk_rcv+0x18fe/0x1dc0 [ 146.550671][ C0] tipc_sk_rcv+0x37a/0x1dc0 [ 146.555156][ C0] ? __stack_depot_save+0x47d/0x4c0 [ 146.560330][ C0] ? kasan_set_track+0x5b/0x70 [ 146.565164][ C0] ? kasan_set_track+0x4a/0x70 [ 146.569926][ C0] ? ____kasan_slab_free+0x125/0x160 [ 146.575206][ C0] ? __kasan_slab_free+0x11/0x20 [ 146.580133][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 146.585716][ C0] ? kmem_cache_free+0x100/0x2d0 [ 146.590752][ C0] ? kfree_skbmem+0x10c/0x180 [ 146.595426][ C0] ? kfree_skb+0xc1/0x2f0 [ 146.599763][ C0] ? tipc_msg_reverse+0x698/0x900 [ 146.604794][ C0] ? tipc_node_xmit+0x26c/0xd80 [ 146.609635][ C0] ? tipc_sk_filter_rcv+0x15e5/0x3910 [ 146.614996][ C0] ? tipc_sk_rcv+0x742/0x1dc0 [ 146.619666][ C0] ? tipc_node_xmit+0x26c/0xd80 [ 146.624745][ C0] ? exit_to_user_mode_prepare+0x76/0xa0 [ 146.630460][ C0] ? syscall_exit_to_user_mode+0x1d/0x40 [ 146.636141][ C0] ? do_syscall_64+0x3d/0x40 [ 146.640723][ C0] ? __skb_queue_purge+0x170/0x170 [ 146.645821][ C0] tipc_node_xmit+0x26c/0xd80 [ 146.650480][ C0] ? kmem_cache_free+0x100/0x2d0 [ 146.655414][ C0] ? ____kasan_slab_free+0x130/0x160 [ 146.660686][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 146.666215][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 146.671742][ C0] ? kfree_skbmem+0x10c/0x180 [ 146.676398][ C0] ? kmem_cache_free+0x100/0x2d0 [ 146.681343][ C0] tipc_node_xmit_skb+0xf7/0x150 [ 146.686271][ C0] ? kfree_skb+0xc1/0x2f0 [ 146.690607][ C0] ? __skb_queue_purge+0x170/0x170 [ 146.695734][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 146.701095][ C0] tipc_sk_rcv+0x1c46/0x1dc0 [ 146.705674][ C0] ? __skb_queue_purge+0x170/0x170 [ 146.710779][ C0] tipc_node_xmit+0x26c/0xd80 [ 146.715441][ C0] ? is_bpf_text_address+0x177/0x190 [ 146.720789][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 146.726311][ C0] ? sysvec_reschedule_ipi+0x69/0x70 [ 146.731575][ C0] ? asm_sysvec_reschedule_ipi+0x12/0x20 [ 146.737209][ C0] tipc_sk_filter_rcv+0x15e5/0x3910 [ 146.742529][ C0] ? tipc_sk_dump+0xfc0/0xfc0 [ 146.747209][ C0] ? __kasan_check_write+0x14/0x20 [ 146.752341][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 146.757288][ C0] tipc_sk_rcv+0x742/0x1dc0 [ 146.761783][ C0] ? kfree_skbmem+0x10c/0x180 [ 146.766450][ C0] ? __skb_queue_purge+0x170/0x170 [ 146.771551][ C0] ? tipc_sk_filter_rcv+0x30d7/0x3910 [ 146.776905][ C0] ? ____fput+0x15/0x20 [ 146.781043][ C0] ? task_work_run+0x127/0x190 [ 146.785788][ C0] tipc_node_xmit+0x26c/0xd80 [ 146.790454][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 146.795977][ C0] tipc_node_distr_xmit+0x2a3/0x3b0 [ 146.801155][ C0] ? tipc_node_xmit_skb+0x150/0x150 [ 146.806358][ C0] tipc_sk_backlog_rcv+0x17d/0x210 [ 146.811531][ C0] ? tipc_sk_timeout+0x990/0x990 [ 146.816449][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 146.822003][ C0] __release_sock+0x146/0x360 [ 146.826691][ C0] ? _raw_write_lock_irq+0xf0/0xf0 [ 146.831797][ C0] release_sock+0x60/0x1b0 [ 146.836193][ C0] tipc_release+0xbd4/0x1490 [ 146.840773][ C0] ? down_read_killable+0xe0/0xe0 [ 146.845776][ C0] sock_close+0xe0/0x270 [ 146.850024][ C0] ? sock_mmap+0xa0/0xa0 [ 146.854267][ C0] __fput+0x2fb/0x770 [ 146.858232][ C0] ____fput+0x15/0x20 [ 146.862207][ C0] task_work_run+0x127/0x190 [ 146.866809][ C0] exit_to_user_mode_loop+0xcb/0xe0 [ 146.872003][ C0] exit_to_user_mode_prepare+0x76/0xa0 [ 146.877451][ C0] syscall_exit_to_user_mode+0x1d/0x40 [ 146.883028][ C0] do_syscall_64+0x3d/0x40 [ 146.887462][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 146.893347][ C0] RIP: 0033:0x7f26bc5100b9 [ 146.897756][ 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 [ 146.917362][ C0] RSP: 002b:00007f26bbf76028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 146.925777][ C0] RAX: 00000000000203a0 RBX: 00007f26bc73cfa0 RCX: 00007f26bc5100b9 [ 146.933740][ C0] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 146.941688][ C0] RBP: 00007f26bc5a29c4 R08: 0000000000000000 R09: 0000000000000000 [ 146.949653][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 146.957623][ C0] R13: 0000000000000000 R14: 00007f26bc73cfa0 R15: 00007fff6770bdb8 [ 199.032493][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.2.17:471] [ 199.040505][ C1] Modules linked in: [ 199.044421][ C1] CPU: 1 PID: 471 Comm: syz.2.17 Not tainted syzkaller #0 [ 199.051549][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 199.061651][ C1] RIP: 0010:kvm_wait+0xce/0x130 [ 199.066684][ C1] Code: 38 f0 75 26 41 f7 c4 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d 33 1e b8 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d 24 1e 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 [ 199.086378][ C1] RSP: 0018:ffffc900013379a0 EFLAGS: 00000246 [ 199.092446][ C1] RAX: 0000000000000003 RBX: ffff88811735b288 RCX: ffffffff814bed9a [ 199.100415][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88811735b288 [ 199.108385][ C1] RBP: ffffc90001337a50 R08: ffff88811735b288 R09: 1ffff11022e6b651 [ 199.116377][ C1] R10: dffffc0000000000 R11: ffffed1022e6b652 R12: 0000000000000246 [ 199.124372][ C1] R13: 1ffff11022e6b651 R14: dffffc0000000000 R15: 1ffff92000266f38 [ 199.132367][ C1] FS: 000055558809d500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 199.141300][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.147997][ C1] CR2: 00007f26bc55d800 CR3: 0000000116f85000 CR4: 00000000003506a0 [ 199.155988][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.164050][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.172021][ C1] Call Trace: [ 199.175317][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 199.181466][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 199.186588][ C1] ? __pv_queued_spin_lock_slowpath+0x6ba/0xb70 [ 199.192825][ C1] __pv_queued_spin_lock_slowpath+0x714/0xb70 [ 199.198948][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 199.205359][ C1] ? kasan_save_stack+0x49/0x60 [ 199.210483][ C1] ? __kasan_record_aux_stack+0xd2/0x100 [ 199.216245][ C1] ? kasan_record_aux_stack+0xe/0x10 [ 199.221626][ C1] ? task_work_add+0x27/0x1e0 [ 199.226424][ C1] ? fput+0x1a/0x20 [ 199.230246][ C1] ? filp_close+0x105/0x150 [ 199.234757][ C1] ? __close_range+0x1f4/0x450 [ 199.239522][ C1] ? __x64_sys_close_range+0x7a/0x90 [ 199.244912][ C1] queued_spin_lock_slowpath+0x47/0x50 [ 199.250398][ C1] _raw_spin_lock_bh+0xe4/0xf0 [ 199.255177][ C1] ? _raw_spin_lock_irq+0xf0/0xf0 [ 199.260226][ C1] lock_sock_nested+0x90/0x2a0 [ 199.264993][ C1] ? sock_init_data+0xc0/0xc0 [ 199.269681][ C1] ? fsnotify+0x19ab/0x1a70 [ 199.274183][ C1] tipc_release+0x56/0x1490 [ 199.278903][ C1] ? down_read_killable+0xe0/0xe0 [ 199.283937][ C1] sock_close+0xe0/0x270 [ 199.288182][ C1] ? sock_mmap+0xa0/0xa0 [ 199.292427][ C1] __fput+0x2fb/0x770 [ 199.296411][ C1] ____fput+0x15/0x20 [ 199.300396][ C1] task_work_run+0x127/0x190 [ 199.304990][ C1] exit_to_user_mode_loop+0xcb/0xe0 [ 199.310184][ C1] exit_to_user_mode_prepare+0x76/0xa0 [ 199.315659][ C1] syscall_exit_to_user_mode+0x1d/0x40 [ 199.321162][ C1] do_syscall_64+0x3d/0x40 [ 199.325594][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.331518][ C1] RIP: 0033:0x7f26bc5100b9 [ 199.335932][ 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 [ 199.356283][ C1] RSP: 002b:00007fff6770bf18 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 199.364697][ C1] RAX: 0000000000000000 RBX: 00007f26bc73eba0 RCX: 00007f26bc5100b9 [ 199.372677][ C1] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 199.380757][ C1] RBP: 00007f26bc73eba0 R08: 0000000000000006 R09: 0000000000000000 [ 199.388920][ C1] R10: 00007f26bc73eac0 R11: 0000000000000246 R12: 000000000000b73c [ 199.396900][ C1] R13: 00007f26bc73d08c R14: 000000000000b461 R15: 00007f26bc73d080 [ 199.404895][ C1] Sending NMI from CPU 1 to CPUs 0: [ 199.410818][ C0] NMI backtrace for cpu 0 [ 199.410823][ C0] CPU: 0 PID: 472 Comm: syz.2.17 Not tainted syzkaller #0 [ 199.410828][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 199.410831][ C0] RIP: 0010:bcmp+0xcb/0xd0 [ 199.410840][ C0] Code: d4 49 89 f7 41 89 c5 e8 d3 5e 43 ff 44 89 e8 48 8b 7d d0 4c 89 fe 4c 89 e2 eb 95 31 c0 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 50 48 89 f8 [ 199.410843][ C0] RSP: 0018:ffffc90001346990 EFLAGS: 00000282 [ 199.410851][ C0] RAX: 0000000000000000 RBX: 000000000000035c RCX: 000000000000002a [ 199.410855][ C0] RDX: 0000000000000004 RSI: ffffc90001346a20 RDI: ffff88811735b55c [ 199.410859][ C0] RBP: ffffc90001346990 R08: 0000000000000004 R09: 0000000001346a03 [ 199.410863][ C0] R10: dffffc0000000000 R11: fffff52000268d44 R12: 0000000000000004 [ 199.410867][ C0] R13: ffff88811735b5e8 R14: 000000005c9a8407 R15: fffffffffffffc18 [ 199.410871][ C0] FS: 00007f26bbf766c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 199.410875][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.410879][ C0] CR2: 0000200000011000 CR3: 0000000116f85000 CR4: 00000000003506b0 [ 199.410883][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.410887][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.410889][ C0] Call Trace: [ 199.410892][ C0] tipc_sk_lookup+0x2f3/0x5f0 [ 199.410895][ C0] ? tipc_sk_rcv+0x1dc0/0x1dc0 [ 199.410898][ C0] tipc_sk_rcv+0x350/0x1dc0 [ 199.410901][ C0] ? __stack_depot_save+0x47d/0x4c0 [ 199.410904][ C0] ? kasan_set_track+0x5b/0x70 [ 199.410907][ C0] ? kasan_set_track+0x4a/0x70 [ 199.410910][ C0] ? ____kasan_slab_free+0x125/0x160 [ 199.410913][ C0] ? __kasan_slab_free+0x11/0x20 [ 199.410916][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 199.410919][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.410922][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.410924][ C0] ? kfree_skb+0xc1/0x2f0 [ 199.410927][ C0] ? tipc_msg_reverse+0x698/0x900 [ 199.410930][ C0] ? tipc_node_xmit+0x26c/0xd80 [ 199.410933][ C0] ? tipc_sk_filter_rcv+0x15e5/0x3910 [ 199.410936][ C0] ? tipc_sk_rcv+0x742/0x1dc0 [ 199.410939][ C0] ? tipc_node_xmit+0x26c/0xd80 [ 199.410942][ C0] ? exit_to_user_mode_prepare+0x76/0xa0 [ 199.410945][ C0] ? syscall_exit_to_user_mode+0x1d/0x40 [ 199.410948][ C0] ? do_syscall_64+0x3d/0x40 [ 199.410951][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.410954][ C0] tipc_node_xmit+0x26c/0xd80 [ 199.410957][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.410960][ C0] ? ____kasan_slab_free+0x130/0x160 [ 199.410963][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.410967][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 199.410969][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.410972][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.410975][ C0] tipc_node_xmit_skb+0xf7/0x150 [ 199.410978][ C0] ? kfree_skb+0xc1/0x2f0 [ 199.410981][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.410984][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 199.410987][ C0] tipc_sk_rcv+0x1c46/0x1dc0 [ 199.410990][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.410993][ C0] tipc_node_xmit+0x26c/0xd80 [ 199.410996][ C0] ? is_bpf_text_address+0x177/0x190 [ 199.410999][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.411002][ C0] ? sysvec_reschedule_ipi+0x69/0x70 [ 199.411006][ C0] ? asm_sysvec_reschedule_ipi+0x12/0x20 [ 199.411009][ C0] tipc_sk_filter_rcv+0x15e5/0x3910 [ 199.411012][ C0] ? tipc_sk_dump+0xfc0/0xfc0 [ 199.411015][ C0] ? __kasan_check_write+0x14/0x20 [ 199.411018][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 199.411020][ C0] tipc_sk_rcv+0x742/0x1dc0 [ 199.411023][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.411026][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.411029][ C0] ? tipc_sk_filter_rcv+0x30d7/0x3910 [ 199.411032][ C0] ? ____fput+0x15/0x20 [ 199.411035][ C0] ? task_work_run+0x127/0x190 [ 199.411038][ C0] tipc_node_xmit+0x26c/0xd80 [ 199.411041][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.411044][ C0] tipc_node_distr_xmit+0x2a3/0x3b0 [ 199.411047][ C0] ? tipc_node_xmit_skb+0x150/0x150 [ 199.411050][ C0] tipc_sk_backlog_rcv+0x17d/0x210 [ 199.411053][ C0] ? tipc_sk_timeout+0x990/0x990 [ 199.411056][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 199.411059][ C0] __release_sock+0x146/0x360 [ 199.411062][ C0] ? _raw_write_lock_irq+0xf0/0xf0 [ 199.411064][ C0] release_sock+0x60/0x1b0 [ 199.411067][ C0] tipc_release+0xbd4/0x1490 [ 199.411070][ C0] ? down_read_killable+0xe0/0xe0 [ 199.411073][ C0] sock_close+0xe0/0x270 [ 199.411075][ C0] ? sock_mmap+0xa0/0xa0 [ 199.411078][ C0] __fput+0x2fb/0x770 [ 199.411080][ C0] ____fput+0x15/0x20 [ 199.411083][ C0] task_work_run+0x127/0x190 [ 199.411086][ C0] exit_to_user_mode_loop+0xcb/0xe0 [ 199.411089][ C0] exit_to_user_mode_prepare+0x76/0xa0 [ 199.411093][ C0] syscall_exit_to_user_mode+0x1d/0x40 [ 199.411095][ C0] do_syscall_64+0x3d/0x40 [ 199.411099][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.411102][ C0] RIP: 0033:0x7f26bc5100b9 [ 199.411110][ 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 [ 199.411113][ C0] RSP: 002b:00007f26bbf76028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 199.411120][ C0] RAX: 00000000000203a0 RBX: 00007f26bc73cfa0 RCX: 00007f26bc5100b9 [ 199.411123][ C0] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 199.411127][ C0] RBP: 00007f26bc5a29c4 R08: 0000000000000000 R09: 0000000000000000 [ 199.411131][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 199.411134][ C0] R13: 0000000000000000 R14: 00007f26bc73cfa0 R15: 00007fff6770bdb8