Warning: Permanently added '10.128.0.135' (ED25519) to the list of known hosts. 2025/10/04 18:42:25 parsed 1 programs [ 46.364871][ T24] kauditd_printk_skb: 31 callbacks suppressed [ 46.364880][ T24] audit: type=1400 audit(1759603345.570:105): avc: denied { unlink } for pid=422 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" [ 46.396798][ T422] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 46.824767][ T24] audit: type=1401 audit(1759603346.030:106): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 47.125922][ T24] audit: type=1400 audit(1759603346.330:107): avc: denied { create } for pid=464 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 47.189679][ T470] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.196700][ T470] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.203977][ T470] device bridge_slave_0 entered promiscuous mode [ 47.210567][ T470] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.217557][ T470] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.224845][ T470] device bridge_slave_1 entered promiscuous mode [ 47.251186][ T470] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.258212][ T470] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.265400][ T470] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.272411][ T470] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.290260][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.297663][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.304978][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.313175][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.321346][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.328357][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.336737][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.344967][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.352003][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.364277][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.373095][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.385242][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.395511][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.403877][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.411417][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.419518][ T470] device veth0_vlan entered promiscuous mode [ 47.428218][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.436827][ T470] device veth1_macvtap entered promiscuous mode [ 47.445297][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.454608][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2025/10/04 18:42:26 executed programs: 0 [ 47.683412][ T24] audit: type=1400 audit(1759603346.890:108): avc: denied { write } for pid=414 comm="syz-execprog" path="pipe:[15743]" dev="pipefs" ino=15743 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 47.746751][ T486] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.753976][ T486] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.761500][ T486] device bridge_slave_0 entered promiscuous mode [ 47.768566][ T486] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.775574][ T486] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.782915][ T486] device bridge_slave_1 entered promiscuous mode [ 47.813548][ T486] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.820610][ T486] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.827828][ T486] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.834843][ T486] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.856402][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.864527][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.871977][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.886467][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.894876][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.903060][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.910077][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.918510][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.926738][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.934896][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.941910][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.957742][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.965744][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.974472][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.982593][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.993968][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.002481][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.016348][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.024187][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.032373][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.039903][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.047709][ T486] device veth0_vlan entered promiscuous mode [ 48.060517][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 48.068640][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.077246][ T486] device veth1_macvtap entered promiscuous mode [ 48.085644][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 48.093370][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 48.101565][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.110482][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 48.118713][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.140022][ T24] audit: type=1400 audit(1759603347.350:109): avc: denied { create } for pid=490 comm="syz.2.17" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 48.159558][ T24] audit: type=1400 audit(1759603347.370:110): avc: denied { write } for pid=490 comm="syz.2.17" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 48.209361][ T24] audit: type=1400 audit(1759603347.420:111): avc: denied { setopt } for pid=490 comm="syz.2.17" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 148.337953][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 148.344577][ C0] rcu: 0-...!: (10000 ticks this GP) idle=9ca/1/0x4000000000000000 softirq=2418/2418 fqs=0 last_accelerate: 9d6a/c47a dyntick_enabled: 1 [ 148.358606][ C0] (t=10000 jiffies g=1277 q=185) [ 148.363616][ C0] rcu: rcu_preempt kthread starved for 10000 jiffies! g1277 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 148.374857][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 148.384788][ C0] rcu: RCU grace-period kthread stack dump: [ 148.390651][ C0] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 148.399812][ C0] Call Trace: [ 148.403099][ C0] __schedule+0xb47/0x1310 [ 148.407482][ C0] ? release_firmware_map_entry+0x190/0x190 [ 148.413346][ C0] ? __mod_timer+0x7ae/0xb30 [ 148.417901][ C0] schedule+0x13c/0x1d0 [ 148.422028][ C0] schedule_timeout+0x12c/0x2d0 [ 148.426842][ C0] ? console_conditional_schedule+0x10/0x10 [ 148.432697][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 148.438124][ C0] ? run_local_timers+0x160/0x160 [ 148.443114][ C0] ? prepare_to_swait_event+0x320/0x340 [ 148.448628][ C0] rcu_gp_kthread+0x100a/0x26a0 [ 148.453460][ C0] ? rcu_barrier_callback+0x50/0x50 [ 148.458633][ C0] ? __kasan_check_read+0x11/0x20 [ 148.463626][ C0] ? __kthread_parkme+0xb9/0x1c0 [ 148.468535][ C0] kthread+0x346/0x3d0 [ 148.472573][ C0] ? rcu_barrier_callback+0x50/0x50 [ 148.477738][ C0] ? kthread_blkcg+0xd0/0xd0 [ 148.482318][ C0] ret_from_fork+0x1f/0x30 [ 148.486727][ C0] NMI backtrace for cpu 0 [ 148.491029][ C0] CPU: 0 PID: 506 Comm: syz.2.19 Not tainted syzkaller #0 [ 148.498101][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 148.508127][ C0] Call Trace: [ 148.511380][ C0] [ 148.514202][ C0] __dump_stack+0x21/0x24 [ 148.518507][ C0] dump_stack_lvl+0x169/0x1d8 [ 148.523153][ C0] ? show_regs_print_info+0x18/0x18 [ 148.528321][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 148.533744][ C0] ? _raw_spin_lock+0xe0/0xe0 [ 148.538389][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 148.544424][ C0] dump_stack+0x15/0x1c [ 148.548552][ C0] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 148.554519][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 148.560379][ C0] rcu_dump_cpu_stacks+0x19c/0x2c0 [ 148.565472][ C0] rcu_sched_clock_irq+0xf79/0x1870 [ 148.570633][ C0] ? rcutree_dead_cpu+0x2f0/0x2f0 [ 148.575622][ C0] ? hrtimer_run_queues+0x166/0x430 [ 148.580784][ C0] update_process_times+0x198/0x200 [ 148.585947][ C0] tick_sched_timer+0x17c/0x240 [ 148.590762][ C0] ? tick_setup_sched_timer+0x450/0x450 [ 148.596289][ C0] __hrtimer_run_queues+0x37a/0x960 [ 148.601453][ C0] ? hrtimer_interrupt+0xdc0/0xdc0 [ 148.606533][ C0] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 148.612581][ C0] hrtimer_interrupt+0x3a6/0xdc0 [ 148.617501][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 148.623358][ C0] asm_call_irq_on_stack+0xf/0x20 [ 148.628344][ C0] [ 148.631258][ C0] sysvec_apic_timer_interrupt+0x85/0xe0 [ 148.636859][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 148.642813][ C0] RIP: 0010:rcu_read_unlock_special+0x33e/0x420 [ 148.649023][ C0] Code: f7 e8 46 58 1e 00 eb 0a bf 09 00 00 00 e8 7a c3 e9 ff 48 8b 44 24 20 48 89 44 24 38 ff 74 24 38 9d 48 c7 44 24 40 0e 36 e0 45 <4a> c7 04 2b 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 84 24 80 [ 148.668598][ C0] RSP: 0018:ffffc90002ea68a0 EFLAGS: 00000202 [ 148.674632][ C0] RAX: 0000000000000202 RBX: 1ffff920005d4d1c RCX: 0000000000000009 [ 148.682567][ C0] RDX: 0000000000000000 RSI: ffffffff84c7a9a0 RDI: ffffffff85202360 [ 148.690523][ C0] RBP: ffffc90002ea6968 R08: dffffc0000000000 R09: ffffed1022295291 [ 148.698462][ C0] R10: ffffed1022295291 R11: 1ffff11022295290 R12: 0000000000000000 [ 148.706408][ C0] R13: dffffc0000000000 R14: ffff8881f70572c0 R15: ffffffff86398848 [ 148.714356][ C0] ? sysvec_apic_timer_interrupt+0xcb/0xe0 [ 148.720133][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 148.726249][ C0] ? __rcu_read_unlock+0xa0/0xa0 [ 148.731154][ C0] __rcu_read_unlock+0x5e/0xa0 [ 148.735882][ C0] tipc_sk_lookup+0x544/0x5f0 [ 148.740525][ C0] ? tipc_sk_rcv+0x1ef0/0x1ef0 [ 148.745257][ C0] tipc_sk_rcv+0x3eb/0x1ef0 [ 148.749727][ C0] ? __stack_depot_save+0x479/0x4c0 [ 148.754891][ C0] ? kasan_set_track+0x5b/0x70 [ 148.759618][ C0] ? kasan_set_track+0x4a/0x70 [ 148.764349][ C0] ? kasan_set_free_info+0x23/0x40 [ 148.769423][ C0] ? ____kasan_slab_free+0x125/0x160 [ 148.774670][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 148.780178][ C0] ? kmem_cache_free+0x100/0x2d0 [ 148.785077][ C0] ? kfree_skbmem+0x10c/0x180 [ 148.789716][ C0] ? kfree_skb+0xc1/0x2f0 [ 148.794015][ C0] ? tipc_msg_reverse+0x698/0x900 [ 148.799002][ C0] ? tipc_node_xmit+0x256/0xcd0 [ 148.803815][ C0] ? tipc_sk_filter_rcv+0x1581/0x3850 [ 148.809148][ C0] ? tipc_node_xmit+0x256/0xcd0 [ 148.813966][ C0] ? tipc_node_distr_xmit+0x292/0x390 [ 148.819303][ C0] ? tipc_sk_backlog_rcv+0x16f/0x1f0 [ 148.824552][ C0] ? syscall_exit_to_user_mode+0x1d/0x40 [ 148.830147][ C0] ? do_syscall_64+0x3d/0x40 [ 148.834703][ C0] ? __skb_queue_purge+0x170/0x170 [ 148.839784][ C0] tipc_node_xmit+0x256/0xcd0 [ 148.844428][ C0] ? ____kasan_slab_free+0x130/0x160 [ 148.849676][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 148.855183][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 148.860693][ C0] ? kfree_skbmem+0x10c/0x180 [ 148.865335][ C0] ? kmem_cache_free+0x100/0x2d0 [ 148.870239][ C0] tipc_node_xmit_skb+0xe9/0x130 [ 148.875141][ C0] ? kfree_skb+0xc1/0x2f0 [ 148.879435][ C0] ? __skb_queue_purge+0x170/0x170 [ 148.884508][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 148.889848][ C0] tipc_sk_rcv+0x1d77/0x1ef0 [ 148.894405][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 148.899482][ C0] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 148.905081][ C0] ? __skb_queue_purge+0x170/0x170 [ 148.910158][ C0] tipc_node_xmit+0x256/0xcd0 [ 148.914803][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 148.920318][ C0] ? unwind_get_return_address+0x4d/0x90 [ 148.925916][ C0] ? __kasan_check_write+0x14/0x20 [ 148.930991][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 148.936413][ C0] ? _raw_spin_lock+0xe0/0xe0 [ 148.941054][ C0] tipc_sk_filter_rcv+0x1581/0x3850 [ 148.946222][ C0] ? tipc_sk_dump+0xfc0/0xfc0 [ 148.950868][ C0] ? __kasan_check_write+0x14/0x20 [ 148.955945][ C0] ? _raw_spin_lock_bh+0x8e/0xe0 [ 148.960849][ C0] tipc_sk_rcv+0x7cc/0x1ef0 [ 148.965318][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 148.970846][ C0] ? kmem_cache_free+0x100/0x2d0 [ 148.975749][ C0] ? __skb_queue_purge+0x170/0x170 [ 148.980825][ C0] ? tipc_sk_filter_rcv+0x3034/0x3850 [ 148.986248][ C0] ? ____fput+0x15/0x20 [ 148.990368][ C0] ? task_work_run+0x127/0x190 [ 148.995098][ C0] tipc_node_xmit+0x256/0xcd0 [ 148.999740][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 149.005272][ C0] tipc_node_distr_xmit+0x292/0x390 [ 149.010473][ C0] ? tipc_node_xmit_skb+0x130/0x130 [ 149.015640][ C0] ? kfree_skbmem+0x10c/0x180 [ 149.020286][ C0] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 149.025362][ C0] ? tipc_sk_timeout+0x970/0x970 [ 149.030266][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 149.035714][ C0] __release_sock+0x146/0x360 [ 149.040375][ C0] ? _raw_write_lock_irq+0xe0/0xe0 [ 149.045452][ C0] release_sock+0x60/0x1b0 [ 149.049852][ C0] tipc_release+0xbd4/0x1490 [ 149.054406][ C0] ? down_read_killable+0xe0/0xe0 [ 149.059396][ C0] sock_close+0xe0/0x270 [ 149.063601][ C0] ? sock_mmap+0xa0/0xa0 [ 149.067824][ C0] __fput+0x2fb/0x770 [ 149.071770][ C0] ____fput+0x15/0x20 [ 149.075714][ C0] task_work_run+0x127/0x190 [ 149.080269][ C0] exit_to_user_mode_loop+0xcb/0xe0 [ 149.085429][ C0] exit_to_user_mode_prepare+0x76/0xa0 [ 149.090853][ C0] syscall_exit_to_user_mode+0x1d/0x40 [ 149.096277][ C0] do_syscall_64+0x3d/0x40 [ 149.100660][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 149.106526][ C0] RIP: 0033:0x7f1ebe94abe9 [ 149.110912][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 149.130498][ C0] RSP: 002b:00007f1ebe7bb038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 149.138875][ C0] RAX: 00000000000203a0 RBX: 00007f1ebeb81fa0 RCX: 00007f1ebe94abe9 [ 149.146812][ C0] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 149.154760][ C0] RBP: 00007f1ebe9cde19 R08: 0000000000000000 R09: 0000000000000000 [ 149.162703][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 149.170647][ C0] R13: 00007f1ebeb82038 R14: 00007f1ebeb81fa0 R15: 00007fffea7722a8 [ 198.877257][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.2.19:505] [ 198.885253][ C1] Modules linked in: [ 198.889138][ C1] CPU: 1 PID: 505 Comm: syz.2.19 Not tainted syzkaller #0 [ 198.896229][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 198.906273][ C1] RIP: 0010:kvm_wait+0xc2/0x120 [ 198.911126][ C1] 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 [ 198.930716][ C1] RSP: 0018:ffffc90002e079a0 EFLAGS: 00000246 [ 198.936774][ C1] RAX: 0000000000000003 RBX: ffff8881114a9488 RCX: ffffffff814b263a [ 198.944785][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff8881114a9488 [ 198.952740][ C1] RBP: ffffc90002e07a50 R08: dffffc0000000000 R09: ffffed1022295292 [ 198.960691][ C1] R10: ffffed1022295292 R11: 1ffff11022295291 R12: 0000000000000246 [ 198.968644][ C1] R13: 1ffff11022295291 R14: dffffc0000000000 R15: 1ffff920005c0f38 [ 198.976596][ C1] FS: 0000555563e6d500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 198.985502][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 198.992075][ C1] CR2: 00007f1ebe799f98 CR3: 00000001173b4000 CR4: 00000000003506a0 [ 199.000161][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.008119][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.016089][ C1] Call Trace: [ 199.019365][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 199.025514][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 199.030617][ C1] ? __pv_queued_spin_lock_slowpath+0x6ba/0xb70 [ 199.036834][ C1] __pv_queued_spin_lock_slowpath+0x714/0xb70 [ 199.042882][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 199.049274][ C1] ? kasan_save_stack+0x49/0x60 [ 199.054106][ C1] ? __kasan_record_aux_stack+0xd2/0x100 [ 199.059720][ C1] ? kasan_record_aux_stack+0xe/0x10 [ 199.064990][ C1] ? task_work_add+0x27/0x1e0 [ 199.069647][ C1] ? fput+0x1a/0x20 [ 199.073434][ C1] ? filp_close+0x105/0x150 [ 199.077926][ C1] ? __close_range+0x1ca/0x430 [ 199.082671][ C1] ? __x64_sys_close_range+0x7a/0x90 [ 199.087938][ C1] queued_spin_lock_slowpath+0x47/0x50 [ 199.093376][ C1] _raw_spin_lock_bh+0xd8/0xe0 [ 199.098118][ C1] ? _raw_spin_lock_irq+0xe0/0xe0 [ 199.103123][ C1] lock_sock_nested+0x92/0x290 [ 199.107870][ C1] ? locks_remove_posix+0x530/0x530 [ 199.113044][ C1] ? sock_init_data+0xc0/0xc0 [ 199.117699][ C1] ? fsnotify+0x1967/0x1a80 [ 199.122181][ C1] tipc_release+0x56/0x1490 [ 199.126660][ C1] ? down_read_killable+0xe0/0xe0 [ 199.131662][ C1] sock_close+0xe0/0x270 [ 199.135880][ C1] ? sock_mmap+0xa0/0xa0 [ 199.140099][ C1] __fput+0x2fb/0x770 [ 199.144061][ C1] ____fput+0x15/0x20 [ 199.148021][ C1] task_work_run+0x127/0x190 [ 199.152590][ C1] exit_to_user_mode_loop+0xcb/0xe0 [ 199.157763][ C1] exit_to_user_mode_prepare+0x76/0xa0 [ 199.163197][ C1] syscall_exit_to_user_mode+0x1d/0x40 [ 199.168649][ C1] do_syscall_64+0x3d/0x40 [ 199.173050][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.179058][ C1] RIP: 0033:0x7f1ebe94abe9 [ 199.183465][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 199.203051][ C1] RSP: 002b:00007fffea772408 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 199.211446][ C1] RAX: 0000000000000000 RBX: 00007f1ebeb83da0 RCX: 00007f1ebe94abe9 [ 199.219400][ C1] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 199.227360][ C1] RBP: 00007f1ebeb83da0 R08: 0000000000000000 R09: 00000005ea7726ff [ 199.235313][ C1] R10: 00007f1ebeb83cb0 R11: 0000000000000246 R12: 000000000000bfdc [ 199.243266][ C1] R13: 00007f1ebeb82090 R14: ffffffffffffffff R15: 00007fffea772520 [ 199.251221][ C1] Sending NMI from CPU 1 to CPUs 0: [ 199.257096][ C0] NMI backtrace for cpu 0 [ 199.257104][ C0] CPU: 0 PID: 506 Comm: syz.2.19 Not tainted syzkaller #0 [ 199.257109][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 199.257112][ C0] RIP: 0010:rcu_read_unlock_special+0x3c/0x420 [ 199.257121][ C0] Code: 81 ec a0 00 00 00 65 48 8b 04 25 28 00 00 00 48 89 84 24 80 00 00 00 49 bd 00 00 00 00 00 fc ff df 48 c7 44 24 40 b3 8a b5 41 <48> c7 44 24 48 6a 43 9a 85 48 c7 44 24 50 30 c7 51 81 48 8d 5c 24 [ 199.257124][ C0] RSP: 0018:ffffc90002ea68a0 EFLAGS: 00000286 [ 199.257131][ C0] RAX: b35eb8506b24c300 RBX: ffff888117e0840c RCX: ffff888117e08000 [ 199.257135][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888117e08000 [ 199.257139][ C0] RBP: ffffc90002ea6968 R08: dffffc0000000000 R09: ffffed1022295291 [ 199.257142][ C0] R10: ffffed1022295291 R11: 1ffff11022295290 R12: dffffc0000000000 [ 199.257146][ C0] R13: dffffc0000000000 R14: dffffc0000000000 R15: fffffffffffffc18 [ 199.257151][ C0] FS: 00007f1ebe7bb6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 199.257154][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.257158][ C0] CR2: 0000200000003000 CR3: 00000001173b4000 CR4: 00000000003506b0 [ 199.257162][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.257166][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.257168][ C0] Call Trace: [ 199.257171][ C0] ? irq_exit_rcu+0x9/0x10 [ 199.257173][ C0] ? __rcu_read_unlock+0xa0/0xa0 [ 199.257176][ C0] __rcu_read_unlock+0x5e/0xa0 [ 199.257179][ C0] tipc_sk_lookup+0x544/0x5f0 [ 199.257181][ C0] ? tipc_sk_rcv+0x1ef0/0x1ef0 [ 199.257184][ C0] ? tipc_sk_rcv+0x24e/0x1ef0 [ 199.257187][ C0] tipc_sk_rcv+0x3eb/0x1ef0 [ 199.257189][ C0] ? __stack_depot_save+0x479/0x4c0 [ 199.257192][ C0] ? kasan_set_track+0x5b/0x70 [ 199.257195][ C0] ? kasan_set_track+0x4a/0x70 [ 199.257198][ C0] ? kasan_set_free_info+0x23/0x40 [ 199.257200][ C0] ? ____kasan_slab_free+0x125/0x160 [ 199.257203][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 199.257206][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.257209][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.257211][ C0] ? kfree_skb+0xc1/0x2f0 [ 199.257214][ C0] ? tipc_msg_reverse+0x698/0x900 [ 199.257216][ C0] ? tipc_node_xmit+0x256/0xcd0 [ 199.257219][ C0] ? tipc_sk_filter_rcv+0x1581/0x3850 [ 199.257222][ C0] ? tipc_node_xmit+0x256/0xcd0 [ 199.257225][ C0] ? tipc_node_distr_xmit+0x292/0x390 [ 199.257228][ C0] ? tipc_sk_backlog_rcv+0x16f/0x1f0 [ 199.257231][ C0] ? syscall_exit_to_user_mode+0x1d/0x40 [ 199.257233][ C0] ? do_syscall_64+0x3d/0x40 [ 199.257236][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.257239][ C0] tipc_node_xmit+0x256/0xcd0 [ 199.257242][ C0] ? ____kasan_slab_free+0x130/0x160 [ 199.257245][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.257248][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 199.257250][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.257253][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.257255][ C0] tipc_node_xmit_skb+0xe9/0x130 [ 199.257258][ C0] ? kfree_skb+0xc1/0x2f0 [ 199.257261][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.257264][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 199.257267][ C0] tipc_sk_rcv+0x1d77/0x1ef0 [ 199.257269][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 199.257272][ C0] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 199.257275][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.257278][ C0] tipc_node_xmit+0x256/0xcd0 [ 199.257281][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.257284][ C0] ? unwind_get_return_address+0x4d/0x90 [ 199.257286][ C0] ? __kasan_check_write+0x14/0x20 [ 199.257289][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 199.257292][ C0] ? _raw_spin_lock+0xe0/0xe0 [ 199.257295][ C0] tipc_sk_filter_rcv+0x1581/0x3850 [ 199.257298][ C0] ? tipc_sk_dump+0xfc0/0xfc0 [ 199.257300][ C0] ? __kasan_check_write+0x14/0x20 [ 199.257303][ C0] ? _raw_spin_lock_bh+0x8e/0xe0 [ 199.257306][ C0] tipc_sk_rcv+0x7cc/0x1ef0 [ 199.257309][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 199.257311][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.257314][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.257317][ C0] ? tipc_sk_filter_rcv+0x3034/0x3850 [ 199.257319][ C0] ? ____fput+0x15/0x20 [ 199.257322][ C0] ? task_work_run+0x127/0x190 [ 199.257325][ C0] tipc_node_xmit+0x256/0xcd0 [ 199.257328][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.257330][ C0] tipc_node_distr_xmit+0x292/0x390 [ 199.257333][ C0] ? tipc_node_xmit_skb+0x130/0x130 [ 199.257336][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.257339][ C0] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 199.257341][ C0] ? tipc_sk_timeout+0x970/0x970 [ 199.257344][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 199.257347][ C0] __release_sock+0x146/0x360 [ 199.257350][ C0] ? _raw_write_lock_irq+0xe0/0xe0 [ 199.257352][ C0] release_sock+0x60/0x1b0 [ 199.257355][ C0] tipc_release+0xbd4/0x1490 [ 199.257358][ C0] ? down_read_killable+0xe0/0xe0 [ 199.257360][ C0] sock_close+0xe0/0x270 [ 199.257363][ C0] ? sock_mmap+0xa0/0xa0 [ 199.257365][ C0] __fput+0x2fb/0x770 [ 199.257367][ C0] ____fput+0x15/0x20 [ 199.257370][ C0] task_work_run+0x127/0x190 [ 199.257373][ C0] exit_to_user_mode_loop+0xcb/0xe0 [ 199.257376][ C0] exit_to_user_mode_prepare+0x76/0xa0 [ 199.257379][ C0] syscall_exit_to_user_mode+0x1d/0x40 [ 199.257381][ C0] do_syscall_64+0x3d/0x40 [ 199.257384][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.257387][ C0] RIP: 0033:0x7f1ebe94abe9 [ 199.257395][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 199.257399][ C0] RSP: 002b:00007f1ebe7bb038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 199.257405][ C0] RAX: 00000000000203a0 RBX: 00007f1ebeb81fa0 RCX: 00007f1ebe94abe9 [ 199.257408][ C0] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 199.257411][ C0] RBP: 00007f1ebe9cde19 R08: 0000000000000000 R09: 0000000000000000 [ 199.257414][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 199.257417][ C0] R13: 00007f1ebeb82038 R14: 00007f1ebeb81fa0 R15: 00007fffea7722a8