Warning: Permanently added '10.128.1.243' (ED25519) to the list of known hosts. 2025/08/23 17:05:26 parsed 1 programs [ 51.048754][ T24] kauditd_printk_skb: 27 callbacks suppressed [ 51.048763][ T24] audit: type=1400 audit(1755968726.710:101): avc: denied { create } for pid=407 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 51.076141][ T24] audit: type=1400 audit(1755968726.710:102): avc: denied { write } for pid=407 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 51.096596][ T24] audit: type=1400 audit(1755968726.710:103): avc: denied { read } for pid=407 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 51.117565][ T24] audit: type=1400 audit(1755968726.740:104): avc: denied { unlink } for pid=407 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" [ 51.143395][ T407] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 51.822790][ T441] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.830301][ T441] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.837719][ T441] device bridge_slave_0 entered promiscuous mode [ 51.845223][ T441] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.852289][ T441] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.859816][ T441] device bridge_slave_1 entered promiscuous mode [ 51.886484][ T441] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.893543][ T441] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.900901][ T441] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.908027][ T441] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.923811][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.931565][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.938860][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.948501][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.956642][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.963686][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.972326][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.981071][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.988381][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.001008][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.013628][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.023802][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.035150][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.043267][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.050790][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.058879][ T441] device veth0_vlan entered promiscuous mode [ 52.067978][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.076815][ T441] device veth1_macvtap entered promiscuous mode [ 52.085170][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.094859][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.261944][ T24] audit: type=1401 audit(1755968727.920:105): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 52.282401][ T24] audit: type=1400 audit(1755968727.940:106): avc: denied { create } for pid=465 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 2025/08/23 17:05:28 executed programs: 0 [ 52.455627][ T470] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.462957][ T470] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.470523][ T470] device bridge_slave_0 entered promiscuous mode [ 52.477775][ T470] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.484816][ T470] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.492202][ T470] device bridge_slave_1 entered promiscuous mode [ 52.526937][ T470] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.533994][ T470] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.541303][ T470] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.548358][ T470] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.568785][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.576436][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.583814][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.592469][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.601109][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.608155][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.618844][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.627171][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.634519][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.648720][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.657875][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.670552][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.680910][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.689131][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.697447][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.709070][ T470] device veth0_vlan entered promiscuous mode [ 52.718441][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.727732][ T470] device veth1_macvtap entered promiscuous mode [ 52.736133][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.744754][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.757450][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.765858][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.795617][ T24] audit: type=1400 audit(1755968728.450:107): avc: denied { create } for pid=482 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 52.815059][ T24] audit: type=1400 audit(1755968728.450:108): avc: denied { write } for pid=482 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 52.836176][ T24] audit: type=1400 audit(1755968728.450:109): avc: denied { setopt } for pid=482 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 53.508263][ T113] device bridge_slave_1 left promiscuous mode [ 53.514407][ T113] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.522693][ T113] device bridge_slave_0 left promiscuous mode [ 53.528931][ T113] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.538296][ T113] device veth1_macvtap left promiscuous mode [ 53.544330][ T113] device veth0_vlan left promiscuous mode [ 156.006706][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 156.013371][ C1] rcu: 1-...!: (1 GPs behind) idle=ac6/1/0x4000000000000000 softirq=3496/3508 fqs=38 last_accelerate: a05a/c76f dyntick_enabled: 1 [ 156.026911][ C1] (t=10000 jiffies g=2145 q=154) [ 156.031924][ C1] rcu: rcu_preempt kthread starved for 9921 jiffies! g2145 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 156.043078][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 156.053016][ C1] rcu: RCU grace-period kthread stack dump: [ 156.058892][ C1] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 156.068072][ C1] Call Trace: [ 156.071642][ C1] __schedule+0xb47/0x1310 [ 156.076047][ C1] ? release_firmware_map_entry+0x190/0x190 [ 156.082095][ C1] ? __mod_timer+0x7ae/0xb30 [ 156.086671][ C1] schedule+0x13c/0x1d0 [ 156.090869][ C1] schedule_timeout+0x12c/0x2d0 [ 156.095975][ C1] ? console_conditional_schedule+0x10/0x10 [ 156.101935][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 156.107386][ C1] ? run_local_timers+0x160/0x160 [ 156.112384][ C1] ? prepare_to_swait_event+0x320/0x340 [ 156.117914][ C1] rcu_gp_kthread+0x100a/0x26a0 [ 156.122750][ C1] ? dyntick_save_progress_counter+0x1b0/0x1b0 [ 156.128869][ C1] ? rcu_barrier_callback+0x50/0x50 [ 156.134132][ C1] ? __kasan_check_read+0x11/0x20 [ 156.139208][ C1] ? __kthread_parkme+0xb9/0x1c0 [ 156.144137][ C1] kthread+0x346/0x3d0 [ 156.148188][ C1] ? rcu_barrier_callback+0x50/0x50 [ 156.153349][ C1] ? kthread_blkcg+0xd0/0xd0 [ 156.157918][ C1] ret_from_fork+0x1f/0x30 [ 156.162351][ C1] NMI backtrace for cpu 1 [ 156.166683][ C1] CPU: 1 PID: 1065 Comm: syz.2.207 Not tainted syzkaller #0 [ 156.174053][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 156.184083][ C1] Call Trace: [ 156.187343][ C1] [ 156.190176][ C1] __dump_stack+0x21/0x24 [ 156.194488][ C1] dump_stack_lvl+0x169/0x1d8 [ 156.199149][ C1] ? show_regs_print_info+0x18/0x18 [ 156.204324][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 156.209838][ C1] ? _raw_spin_lock+0xe0/0xe0 [ 156.214516][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 156.220665][ C1] dump_stack+0x15/0x1c [ 156.224873][ C1] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 156.230916][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 156.236784][ C1] rcu_dump_cpu_stacks+0x19c/0x2c0 [ 156.241868][ C1] rcu_sched_clock_irq+0xf79/0x1870 [ 156.247037][ C1] ? rcutree_dead_cpu+0x2f0/0x2f0 [ 156.252135][ C1] ? hrtimer_run_queues+0x166/0x430 [ 156.257413][ C1] update_process_times+0x198/0x200 [ 156.262592][ C1] tick_sched_timer+0x17c/0x240 [ 156.267411][ C1] ? tick_setup_sched_timer+0x450/0x450 [ 156.272947][ C1] __hrtimer_run_queues+0x37a/0x960 [ 156.278139][ C1] ? hrtimer_interrupt+0xdc0/0xdc0 [ 156.283223][ C1] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 156.289257][ C1] hrtimer_interrupt+0x3a6/0xdc0 [ 156.294165][ C1] ? sched_clock_cpu+0x1b/0x3d0 [ 156.298985][ C1] ? do_sync_core+0x22/0x30 [ 156.303459][ C1] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 156.309322][ C1] asm_call_irq_on_stack+0xf/0x20 [ 156.314431][ C1] [ 156.317354][ C1] sysvec_apic_timer_interrupt+0x85/0xe0 [ 156.322964][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 156.328917][ C1] RIP: 0010:bcmp+0x8f/0xd0 [ 156.333323][ C1] Code: 89 c0 41 80 e0 07 41 38 c8 7c c7 49 89 ff 48 89 c7 49 89 d4 49 89 f5 e8 ff f1 45 ff 4c 89 ff 4c 89 ee 4c 89 e2 eb ab 41 89 c9 <41> 80 e1 07 45 38 c1 7c b9 48 89 7d d0 48 89 cf 49 89 d4 49 89 f7 [ 156.352987][ C1] RSP: 0018:ffffc90001f06700 EFLAGS: 00000202 [ 156.359022][ C1] RAX: 0000000000000046 RBX: dffffc0000000000 RCX: ffffc90001f067c2 [ 156.367059][ C1] RDX: 0000000000000004 RSI: ffffc90001f067c0 RDI: ffff888129c27a5c [ 156.375009][ C1] RBP: ffffc90001f06730 R08: 0000000000000004 R09: 0000000001f067c2 [ 156.382963][ C1] R10: fffff520003e0cf8 R11: 1ffff920003e0cf8 R12: 0000000000000004 [ 156.391011][ C1] R13: ffff888129c27ae8 R14: 0000000000000002 R15: fffffffffffffc18 [ 156.399357][ C1] tipc_sk_lookup+0x2f3/0x5f0 [ 156.404032][ C1] ? tipc_sk_rcv+0x1ef0/0x1ef0 [ 156.408852][ C1] ? preempt_count_sub+0x2f/0x170 [ 156.413862][ C1] ? tipc_sk_rcv+0x19d1/0x1ef0 [ 156.418652][ C1] tipc_sk_rcv+0x3eb/0x1ef0 [ 156.423146][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 156.428935][ C1] ? __stack_depot_save+0x479/0x4c0 [ 156.434195][ C1] ? kasan_set_track+0x5b/0x70 [ 156.438947][ C1] ? kasan_set_track+0x4a/0x70 [ 156.443700][ C1] ? ____kasan_slab_free+0x125/0x160 [ 156.449057][ C1] ? __kasan_slab_free+0x11/0x20 [ 156.453984][ C1] ? kmem_cache_free+0x100/0x2d0 [ 156.458898][ C1] ? kfree_skbmem+0x10c/0x180 [ 156.463650][ C1] ? kfree_skb+0xc1/0x2f0 [ 156.468342][ C1] ? tipc_sk_backlog_rcv+0x16f/0x1f0 [ 156.473600][ C1] ? __release_sock+0x146/0x360 [ 156.478439][ C1] ? __sys_setsockopt+0x265/0x460 [ 156.483465][ C1] ? __skb_queue_purge+0x170/0x170 [ 156.489171][ C1] tipc_node_xmit+0x256/0xcd0 [ 156.494062][ C1] ? debug_smp_processor_id+0x17/0x20 [ 156.499428][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 156.505094][ C1] ? ____kasan_slab_free+0x130/0x160 [ 156.510650][ C1] ? __kasan_slab_free+0x11/0x20 [ 156.515563][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 156.521098][ C1] ? kfree_skbmem+0x10c/0x180 [ 156.525763][ C1] tipc_node_distr_xmit+0x292/0x390 [ 156.530957][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 156.536166][ C1] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 156.541589][ C1] tipc_sk_rcv+0x19b9/0x1ef0 [ 156.546366][ C1] ? __skb_queue_purge+0x170/0x170 [ 156.551506][ C1] tipc_node_xmit+0x256/0xcd0 [ 156.556493][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 156.562103][ C1] tipc_sk_push_backlog+0x4dd/0x790 [ 156.567287][ C1] tipc_sk_proto_rcv+0x98d/0x1ac0 [ 156.572693][ C1] ? trace_tipc_sk_dump+0x6c0/0x6c0 [ 156.578506][ C1] tipc_sk_filter_rcv+0x30ac/0x3850 [ 156.583693][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 156.588840][ C1] ? kasan_set_track+0x5b/0x70 [ 156.593590][ C1] ? kasan_set_track+0x4a/0x70 [ 156.598542][ C1] ? kasan_set_free_info+0x23/0x40 [ 156.603647][ C1] ? kasan_set_track+0x5b/0x70 [ 156.608423][ C1] ? kasan_set_track+0x4a/0x70 [ 156.613165][ C1] ? kasan_set_free_info+0x23/0x40 [ 156.618261][ C1] ? ____kasan_slab_free+0x125/0x160 [ 156.623531][ C1] ? __kasan_slab_free+0x11/0x20 [ 156.628436][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 156.633957][ C1] ? kmem_cache_free+0x100/0x2d0 [ 156.638886][ C1] ? kfree_skb+0xc1/0x2f0 [ 156.643195][ C1] ? tipc_msg_reverse+0x698/0x900 [ 156.648193][ C1] ? tipc_sk_filter_rcv+0xca0/0x3850 [ 156.653610][ C1] ? tipc_sk_backlog_rcv+0x109/0x1f0 [ 156.659064][ C1] ? __release_sock+0x146/0x360 [ 156.663903][ C1] ? __sys_setsockopt+0x265/0x460 [ 156.669085][ C1] ? __x64_sys_setsockopt+0xbf/0xd0 [ 156.674273][ C1] ? do_syscall_64+0x31/0x40 [ 156.678859][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 156.685015][ C1] ? tipc_sk_dump+0xfc0/0xfc0 [ 156.690103][ C1] ? __kasan_check_write+0x14/0x20 [ 156.695186][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 156.700114][ C1] tipc_sk_rcv+0x7cc/0x1ef0 [ 156.704583][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 156.710128][ C1] ? kmem_cache_free+0x100/0x2d0 [ 156.715058][ C1] ? __skb_queue_purge+0x170/0x170 [ 156.720172][ C1] ? tipc_sk_filter_rcv+0x3034/0x3850 [ 156.725524][ C1] tipc_node_xmit+0x256/0xcd0 [ 156.730237][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 156.735762][ C1] tipc_node_distr_xmit+0x292/0x390 [ 156.740940][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 156.746212][ C1] ? selinux_capable+0x29c/0x380 [ 156.751123][ C1] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 156.756201][ C1] ? tipc_sk_timeout+0x970/0x970 [ 156.761193][ C1] ? __local_bh_enable_ip+0x53/0x80 [ 156.766375][ C1] ? lock_sock_nested+0x1f5/0x290 [ 156.771366][ C1] __release_sock+0x146/0x360 [ 156.776010][ C1] sock_setsockopt+0x125e/0x2350 [ 156.780919][ C1] ? __sock_set_mark+0x160/0x160 [ 156.785822][ C1] ? selinux_socket_setsockopt+0x21c/0x300 [ 156.791602][ C1] ? selinux_socket_getsockopt+0x2e0/0x2e0 [ 156.797383][ C1] ? __fget_files+0x2c4/0x320 [ 156.802026][ C1] ? security_socket_setsockopt+0x82/0xa0 [ 156.807816][ C1] __sys_setsockopt+0x265/0x460 [ 156.812634][ C1] ? __ia32_sys_recv+0xb0/0xb0 [ 156.817368][ C1] ? debug_smp_processor_id+0x17/0x20 [ 156.822983][ C1] __x64_sys_setsockopt+0xbf/0xd0 [ 156.827977][ C1] do_syscall_64+0x31/0x40 [ 156.832365][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 156.838224][ C1] RIP: 0033:0x7f6d173a4d29 [ 156.842633][ 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 [ 156.862217][ C1] RSP: 002b:00007f6d16df6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 156.870605][ C1] RAX: ffffffffffffffda RBX: 00007f6d175be080 RCX: 00007f6d173a4d29 [ 156.878552][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 156.886495][ C1] RBP: 00007f6d174262a0 R08: 0000000000000004 R09: 0000000000000000 [ 156.894450][ C1] R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000 [ 156.902407][ C1] R13: 0000000000000001 R14: 00007f6d175be080 R15: 00007ffeec7d0d78 [ 198.980920][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.2.207:1063] [ 198.989106][ C0] Modules linked in: [ 198.992996][ C0] CPU: 0 PID: 1063 Comm: syz.2.207 Not tainted syzkaller #0 [ 199.000285][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 199.010335][ C0] RIP: 0010:kvm_wait+0xc2/0x120 [ 199.015172][ C0] Code: 38 f0 75 26 41 f7 c4 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d ff 98 98 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d f0 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 [ 199.035214][ C0] RSP: 0018:ffffc90001b3f9c0 EFLAGS: 00000246 [ 199.041310][ C0] RAX: 0000000000000003 RBX: ffff888129c27788 RCX: ffffffff814b22fa [ 199.049350][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff888129c27788 [ 199.057488][ C0] RBP: ffffc90001b3fa70 R08: dffffc0000000000 R09: ffffed1025384ef2 [ 199.065443][ C0] R10: ffffed1025384ef2 R11: 1ffff11025384ef1 R12: 0000000000000246 [ 199.073398][ C0] R13: 1ffff11025384ef1 R14: dffffc0000000000 R15: 1ffff92000367f3c [ 199.081354][ C0] FS: 0000555585fde500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 199.090265][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.096835][ C0] CR2: 00007f6d16df6d58 CR3: 000000011ca7f000 CR4: 00000000003506b0 [ 199.104792][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.112762][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.120797][ C0] Call Trace: [ 199.124088][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 199.130224][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 199.135322][ C0] ? __pv_queued_spin_lock_slowpath+0x6ba/0xb70 [ 199.141544][ C0] __pv_queued_spin_lock_slowpath+0x714/0xb70 [ 199.147781][ C0] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 199.154278][ C0] ? task_work_add+0x27/0x1e0 [ 199.158934][ C0] ? fput+0x1a/0x20 [ 199.162726][ C0] ? filp_close+0x105/0x150 [ 199.167208][ C0] ? __close_range+0x1ca/0x430 [ 199.171960][ C0] ? do_syscall_64+0x31/0x40 [ 199.176534][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.182584][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 199.188023][ C0] _raw_spin_lock_bh+0xd8/0xe0 [ 199.192766][ C0] ? _raw_spin_lock_irq+0xe0/0xe0 [ 199.197774][ C0] lock_sock_nested+0x92/0x290 [ 199.202520][ C0] ? locks_remove_posix+0x530/0x530 [ 199.207783][ C0] ? sock_init_data+0xc0/0xc0 [ 199.212530][ C0] ? fsnotify+0x1967/0x1a80 [ 199.217042][ C0] tipc_release+0x56/0x1490 [ 199.221543][ C0] ? down_read_killable+0xe0/0xe0 [ 199.226559][ C0] sock_close+0xe0/0x270 [ 199.230789][ C0] ? sock_mmap+0xa0/0xa0 [ 199.235016][ C0] __fput+0x2fb/0x770 [ 199.238986][ C0] ____fput+0x15/0x20 [ 199.242953][ C0] task_work_run+0x127/0x190 [ 199.247526][ C0] exit_to_user_mode_loop+0xcb/0xe0 [ 199.252708][ C0] syscall_exit_to_user_mode+0x68/0x90 [ 199.258146][ C0] do_syscall_64+0x3d/0x40 [ 199.262542][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.268412][ C0] RIP: 0033:0x7f6d173a4d29 [ 199.272809][ 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 [ 199.292578][ C0] RSP: 002b:00007ffeec7d0ed8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 199.300984][ C0] RAX: 0000000000000000 RBX: 00007f6d175bfba0 RCX: 00007f6d173a4d29 [ 199.308940][ C0] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 199.316914][ C0] RBP: 00007f6d175bfba0 R08: 0000000000000000 R09: 00007ffeec7d11cf [ 199.324875][ C0] R10: 00007f6d175bfac0 R11: 0000000000000246 R12: 000000000000ddc7 [ 199.332841][ C0] R13: 00007ffeec7d0fe0 R14: 0000000000000032 R15: ffffffffffffffff [ 199.340804][ C0] Sending NMI from CPU 0 to CPUs 1: [ 199.347014][ C1] NMI backtrace for cpu 1 [ 199.347024][ C1] CPU: 1 PID: 1065 Comm: syz.2.207 Not tainted syzkaller #0 [ 199.347029][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 199.347033][ C1] RIP: 0010:preempt_count_sub+0xea/0x170 [ 199.347041][ C1] Code: b6 04 18 84 c0 75 75 83 3d 8a 5d 5f 05 00 75 96 48 c7 c7 60 0d c8 84 48 c7 c6 40 0e c8 84 e8 8d d5 2a 03 0f 0b e9 7c ff ff ff <48> c7 c1 c0 b8 c7 86 80 e1 07 80 c1 03 38 c1 0f 8c 29 ff ff ff 41 [ 199.347045][ C1] RSP: 0018:ffffc90001f067f8 EFLAGS: 00000202 [ 199.347052][ C1] RAX: 0000000000000004 RBX: dffffc0000000000 RCX: 0000000000000401 [ 199.347057][ C1] RDX: 0000000000000000 RSI: 0000000000000201 RDI: 0000000000000001 [ 199.347061][ C1] RBP: ffffc90001f06808 R08: 0000000000000004 R09: 0000000000000003 [ 199.347065][ C1] R10: fffff520003e0cf8 R11: 1ffff920003e0cf8 R12: ffffc90001f06ca0 [ 199.347069][ C1] R13: ffffc90001f06cb0 R14: 000000007b4613ca R15: 000000007b4613ca [ 199.347074][ C1] FS: 00007f6d16df66c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 199.347077][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.347081][ C1] CR2: 00007f6d16df5f98 CR3: 000000011ca7f000 CR4: 00000000003506a0 [ 199.347085][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.347089][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.347091][ C1] Call Trace: [ 199.347094][ C1] __local_bh_enable_ip+0x53/0x80 [ 199.347097][ C1] _raw_spin_unlock_bh+0x51/0x60 [ 199.347099][ C1] tipc_sk_rcv+0x3db/0x1ef0 [ 199.347103][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 199.347106][ C1] ? __stack_depot_save+0x479/0x4c0 [ 199.347108][ C1] ? kasan_set_track+0x5b/0x70 [ 199.347111][ C1] ? kasan_set_track+0x4a/0x70 [ 199.347114][ C1] ? ____kasan_slab_free+0x125/0x160 [ 199.347117][ C1] ? __kasan_slab_free+0x11/0x20 [ 199.347120][ C1] ? kmem_cache_free+0x100/0x2d0 [ 199.347122][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.347125][ C1] ? kfree_skb+0xc1/0x2f0 [ 199.347128][ C1] ? tipc_sk_backlog_rcv+0x16f/0x1f0 [ 199.347131][ C1] ? __release_sock+0x146/0x360 [ 199.347134][ C1] ? __sys_setsockopt+0x265/0x460 [ 199.347137][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.347139][ C1] tipc_node_xmit+0x256/0xcd0 [ 199.347142][ C1] ? debug_smp_processor_id+0x17/0x20 [ 199.347145][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.347148][ C1] ? ____kasan_slab_free+0x130/0x160 [ 199.347151][ C1] ? __kasan_slab_free+0x11/0x20 [ 199.347154][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 199.347157][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.347159][ C1] tipc_node_distr_xmit+0x292/0x390 [ 199.347162][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 199.347165][ C1] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 199.347168][ C1] tipc_sk_rcv+0x19b9/0x1ef0 [ 199.347171][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.347173][ C1] tipc_node_xmit+0x256/0xcd0 [ 199.347176][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.347179][ C1] tipc_sk_push_backlog+0x4dd/0x790 [ 199.347182][ C1] tipc_sk_proto_rcv+0x98d/0x1ac0 [ 199.347185][ C1] ? trace_tipc_sk_dump+0x6c0/0x6c0 [ 199.347188][ C1] tipc_sk_filter_rcv+0x30ac/0x3850 [ 199.347190][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 199.347193][ C1] ? kasan_set_track+0x5b/0x70 [ 199.347196][ C1] ? kasan_set_track+0x4a/0x70 [ 199.347198][ C1] ? kasan_set_free_info+0x23/0x40 [ 199.347201][ C1] ? kasan_set_track+0x5b/0x70 [ 199.347203][ C1] ? kasan_set_track+0x4a/0x70 [ 199.347206][ C1] ? kasan_set_free_info+0x23/0x40 [ 199.347208][ C1] ? ____kasan_slab_free+0x125/0x160 [ 199.347210][ C1] ? __kasan_slab_free+0x11/0x20 [ 199.347212][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 199.347214][ C1] ? kmem_cache_free+0x100/0x2d0 [ 199.347216][ C1] ? kfree_skb+0xc1/0x2f0 [ 199.347218][ C1] ? tipc_msg_reverse+0x698/0x900 [ 199.347221][ C1] ? tipc_sk_filter_rcv+0xca0/0x3850 [ 199.347223][ C1] ? tipc_sk_backlog_rcv+0x109/0x1f0 [ 199.347225][ C1] ? __release_sock+0x146/0x360 [ 199.347227][ C1] ? __sys_setsockopt+0x265/0x460 [ 199.347229][ C1] ? __x64_sys_setsockopt+0xbf/0xd0 [ 199.347231][ C1] ? do_syscall_64+0x31/0x40 [ 199.347233][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.347241][ C1] ? tipc_sk_dump+0xfc0/0xfc0 [ 199.347243][ C1] ? __kasan_check_write+0x14/0x20 [ 199.347245][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 199.347247][ C1] tipc_sk_rcv+0x7cc/0x1ef0 [ 199.347250][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 199.347252][ C1] ? kmem_cache_free+0x100/0x2d0 [ 199.347254][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.347256][ C1] ? tipc_sk_filter_rcv+0x3034/0x3850 [ 199.347258][ C1] tipc_node_xmit+0x256/0xcd0 [ 199.347260][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.347262][ C1] tipc_node_distr_xmit+0x292/0x390 [ 199.347264][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 199.347267][ C1] ? selinux_capable+0x29c/0x380 [ 199.347269][ C1] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 199.347271][ C1] ? tipc_sk_timeout+0x970/0x970 [ 199.347273][ C1] ? __local_bh_enable_ip+0x53/0x80 [ 199.347275][ C1] ? lock_sock_nested+0x1f5/0x290 [ 199.347277][ C1] __release_sock+0x146/0x360 [ 199.347280][ C1] sock_setsockopt+0x125e/0x2350 [ 199.347282][ C1] ? __sock_set_mark+0x160/0x160 [ 199.347284][ C1] ? selinux_socket_setsockopt+0x21c/0x300 [ 199.347286][ C1] ? selinux_socket_getsockopt+0x2e0/0x2e0 [ 199.347289][ C1] ? __fget_files+0x2c4/0x320 [ 199.347291][ C1] ? security_socket_setsockopt+0x82/0xa0 [ 199.347293][ C1] __sys_setsockopt+0x265/0x460 [ 199.347295][ C1] ? __ia32_sys_recv+0xb0/0xb0 [ 199.347297][ C1] ? debug_smp_processor_id+0x17/0x20 [ 199.347299][ C1] __x64_sys_setsockopt+0xbf/0xd0 [ 199.347301][ C1] do_syscall_64+0x31/0x40 [ 199.347304][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.347306][ C1] RIP: 0033:0x7f6d173a4d29 [ 199.347313][ 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 [ 199.347315][ C1] RSP: 002b:00007f6d16df6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 199.347321][ C1] RAX: ffffffffffffffda RBX: 00007f6d175be080 RCX: 00007f6d173a4d29 [ 199.347324][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 199.347327][ C1] RBP: 00007f6d174262a0 R08: 0000000000000004 R09: 0000000000000000 [ 199.347330][ C1] R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000 [ 199.347333][ C1] R13: 0000000000000001 R14: 00007f6d175be080 R15: 00007ffeec7d0d78