Warning: Permanently added '10.128.1.234' (ED25519) to the list of known hosts. 2026/05/14 02:46:12 parsed 1 programs [ 44.307043][ T24] kauditd_printk_skb: 30 callbacks suppressed [ 44.307054][ T24] audit: type=1400 audit(1778726772.950:104): avc: denied { unlink } for pid=432 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" [ 44.381643][ T432] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 44.884774][ T24] audit: type=1400 audit(1778726773.530:105): avc: denied { create } for pid=445 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 45.040590][ T24] audit: type=1401 audit(1778726773.680:106): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 45.164677][ T456] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.171963][ T456] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.179857][ T456] device bridge_slave_0 entered promiscuous mode [ 45.187636][ T456] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.195361][ T456] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.202757][ T456] device bridge_slave_1 entered promiscuous mode [ 45.233774][ T456] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.240944][ T456] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.249552][ T456] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.257682][ T456] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.275050][ T320] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.282993][ T320] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.291012][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.299304][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.308252][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.316773][ T320] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.325600][ T320] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.335630][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.344460][ T320] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.352157][ T320] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.364389][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.374272][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.388443][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.400636][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.408984][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.416711][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.425431][ T456] device veth0_vlan entered promiscuous mode [ 45.437152][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.446893][ T456] device veth1_macvtap entered promiscuous mode [ 45.457278][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.467570][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/05/14 02:46:14 executed programs: 0 [ 45.972875][ T24] audit: type=1400 audit(1778726774.610:107): avc: denied { write } for pid=423 comm="syz-execprog" path="pipe:[15013]" dev="pipefs" ino=15013 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 46.011695][ T492] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.019454][ T492] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.027852][ T492] device bridge_slave_0 entered promiscuous mode [ 46.035494][ T492] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.043353][ T492] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.051888][ T492] device bridge_slave_1 entered promiscuous mode [ 46.095846][ T492] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.103368][ T492] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.110825][ T492] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.118525][ T492] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.135846][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.143868][ T320] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.152556][ T320] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.163449][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.173869][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.184418][ T320] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.192143][ T320] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.211170][ T492] device veth0_vlan entered promiscuous mode [ 46.217887][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.226856][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.235976][ T320] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.243276][ T320] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.251221][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.260060][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.268429][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.276692][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.285836][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.294310][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.303087][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.311583][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.320114][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.328051][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.346749][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.356218][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.369878][ T492] device veth1_macvtap entered promiscuous mode [ 46.386363][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.395909][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.405944][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.420470][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.429355][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.454039][ T24] audit: type=1400 audit(1778726775.100:108): avc: denied { create } for pid=500 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 46.474330][ T24] audit: type=1400 audit(1778726775.100:109): avc: denied { write } for pid=500 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 46.514998][ T24] audit: type=1400 audit(1778726775.160:110): avc: denied { setopt } for pid=500 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 146.583514][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 146.590672][ C0] rcu: 0-...!: (10000 ticks this GP) idle=daa/1/0x4000000000000000 softirq=2966/2966 fqs=0 last_accelerate: 9ca6/c3b6 dyntick_enabled: 1 [ 146.605296][ C0] (t=10000 jiffies g=1969 q=92) [ 146.611110][ C0] rcu: rcu_preempt kthread starved for 10000 jiffies! g1969 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 146.623079][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 146.633734][ C0] rcu: RCU grace-period kthread stack dump: [ 146.639990][ C0] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 146.649291][ C0] Call Trace: [ 146.652946][ C0] __schedule+0xb53/0x1320 [ 146.657551][ C0] ? __sched_text_start+0x8/0x8 [ 146.662909][ C0] ? __mod_timer+0x7da/0xb50 [ 146.667787][ C0] schedule+0x13c/0x1d0 [ 146.672107][ C0] schedule_timeout+0x159/0x330 [ 146.677561][ C0] ? console_conditional_schedule+0x10/0x10 [ 146.683833][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 146.689866][ C0] ? run_local_timers+0x160/0x160 [ 146.695226][ C0] ? prepare_to_swait_event+0x320/0x340 [ 146.701763][ C0] rcu_gp_kthread+0x1045/0x2730 [ 146.707034][ C0] ? rcu_barrier_callback+0x50/0x50 [ 146.712230][ C0] ? __kasan_check_read+0x11/0x20 [ 146.717247][ C0] ? __kthread_parkme+0xb9/0x1c0 [ 146.722344][ C0] kthread+0x346/0x3d0 [ 146.726433][ C0] ? rcu_barrier_callback+0x50/0x50 [ 146.731892][ C0] ? kthread_blkcg+0xd0/0xd0 [ 146.736589][ C0] ret_from_fork+0x1f/0x30 [ 146.741052][ C0] NMI backtrace for cpu 0 [ 146.745461][ C0] CPU: 0 PID: 504 Comm: syz.2.17 Not tainted syzkaller #0 [ 146.752648][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 146.763530][ C0] Call Trace: [ 146.767501][ C0] [ 146.771120][ C0] __dump_stack+0x21/0x24 [ 146.775685][ C0] dump_stack_lvl+0x1a7/0x208 [ 146.780415][ C0] ? show_regs_print_info+0x18/0x18 [ 146.785774][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 146.791250][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 146.796042][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 146.802512][ C0] dump_stack+0x15/0x1c [ 146.806690][ C0] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 146.812860][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 146.819164][ C0] rcu_dump_cpu_stacks+0x19c/0x2c0 [ 146.824513][ C0] rcu_sched_clock_irq+0xf88/0x1880 [ 146.829975][ C0] ? rcutree_dead_cpu+0x310/0x310 [ 146.835822][ C0] ? hrtimer_run_queues+0x166/0x430 [ 146.841421][ C0] update_process_times+0x198/0x200 [ 146.847102][ C0] tick_sched_timer+0x17c/0x240 [ 146.852330][ C0] ? tick_setup_sched_timer+0x450/0x450 [ 146.857973][ C0] __hrtimer_run_queues+0x34f/0x820 [ 146.863272][ C0] ? hrtimer_interrupt+0xdc0/0xdc0 [ 146.868990][ C0] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 146.875237][ C0] hrtimer_interrupt+0x3a6/0xdc0 [ 146.880157][ C0] ? sched_clock_cpu+0x1b/0x3d0 [ 146.885034][ C0] ? do_sync_core+0x22/0x30 [ 146.891525][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 146.897770][ C0] asm_call_irq_on_stack+0xf/0x20 [ 146.902966][ C0] [ 146.905895][ C0] sysvec_apic_timer_interrupt+0x85/0xe0 [ 146.911785][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 146.918018][ C0] RIP: 0010:kasan_check_range+0x15/0x2a0 [ 146.923825][ C0] Code: b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 00 00 cc cc 00 00 cc b0 01 48 85 f6 0f 84 c0 01 00 00 55 48 89 e5 41 57 41 56 41 55 <41> 54 53 49 89 f8 49 01 f0 0f 82 1d 02 00 00 49 89 f8 49 c1 e8 2f [ 146.943721][ C0] RSP: 0018:ffffc90000fb69c8 EFLAGS: 00000202 [ 146.949863][ C0] RAX: 0000000000000401 RBX: ffff888110c67788 RCX: ffffffff8482de61 [ 146.958015][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888110c67788 [ 146.966389][ C0] RBP: ffffc90000fb69e0 R08: ffff888110c67783 R09: 1ffff1102218cef0 [ 146.974842][ C0] R10: dffffc0000000000 R11: ffffed102218cef1 R12: dffffc0000000000 [ 146.983398][ C0] R13: 1ffff920001f6d40 R14: ffffffff8467c45a R15: 000000004fd07179 [ 146.991814][ C0] ? tipc_sk_rcv+0x37a/0x1dc0 [ 146.996510][ C0] ? _raw_spin_trylock_bh+0x81/0x150 [ 147.001949][ C0] ? tipc_sk_rcv+0x37a/0x1dc0 [ 147.006698][ C0] __kasan_check_read+0x11/0x20 [ 147.011782][ C0] _raw_spin_trylock_bh+0x81/0x150 [ 147.017773][ C0] ? _raw_spin_trylock+0x150/0x150 [ 147.023422][ C0] ? tipc_sk_rcv+0x18fe/0x1dc0 [ 147.028189][ C0] tipc_sk_rcv+0x37a/0x1dc0 [ 147.032685][ C0] ? __stack_depot_save+0x47d/0x4c0 [ 147.038322][ C0] ? kasan_set_track+0x5b/0x70 [ 147.043264][ C0] ? kasan_set_track+0x4a/0x70 [ 147.048339][ C0] ? ____kasan_slab_free+0x125/0x160 [ 147.053796][ C0] ? __kasan_slab_free+0x11/0x20 [ 147.058837][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 147.064488][ C0] ? kmem_cache_free+0x100/0x2d0 [ 147.069623][ C0] ? kfree_skbmem+0x10c/0x180 [ 147.074393][ C0] ? kfree_skb+0xc1/0x2f0 [ 147.079024][ C0] ? tipc_msg_reverse+0x698/0x900 [ 147.084145][ C0] ? tipc_node_xmit+0x26c/0xd80 [ 147.089483][ C0] ? tipc_sk_filter_rcv+0x15e5/0x39d0 [ 147.095150][ C0] ? tipc_sk_rcv+0x742/0x1dc0 [ 147.100127][ C0] ? tipc_node_xmit+0x26c/0xd80 [ 147.105331][ C0] ? exit_to_user_mode_prepare+0x76/0xa0 [ 147.111348][ C0] ? syscall_exit_to_user_mode+0x1d/0x40 [ 147.117098][ C0] ? do_syscall_64+0x3d/0x40 [ 147.121797][ C0] ? __skb_queue_purge+0x170/0x170 [ 147.127178][ C0] tipc_node_xmit+0x26c/0xd80 [ 147.132145][ C0] ? kmem_cache_free+0x100/0x2d0 [ 147.137342][ C0] ? ____kasan_slab_free+0x130/0x160 [ 147.142621][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 147.148551][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 147.154282][ C0] ? kfree_skbmem+0x10c/0x180 [ 147.158982][ C0] ? kmem_cache_free+0x100/0x2d0 [ 147.164017][ C0] tipc_node_xmit_skb+0xf7/0x150 [ 147.169405][ C0] ? kfree_skb+0xc1/0x2f0 [ 147.173879][ C0] ? __skb_queue_purge+0x170/0x170 [ 147.179113][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 147.184491][ C0] tipc_sk_rcv+0x1c46/0x1dc0 [ 147.189445][ C0] ? __skb_queue_purge+0x170/0x170 [ 147.194787][ C0] tipc_node_xmit+0x26c/0xd80 [ 147.199796][ C0] ? is_bpf_text_address+0x177/0x190 [ 147.205353][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 147.211007][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 147.216562][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 147.221555][ C0] tipc_sk_filter_rcv+0x15e5/0x39d0 [ 147.226890][ C0] ? tipc_sk_dump+0xfc0/0xfc0 [ 147.231565][ C0] ? __kasan_check_write+0x14/0x20 [ 147.236931][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 147.242511][ C0] tipc_sk_rcv+0x742/0x1dc0 [ 147.247107][ C0] ? kfree_skbmem+0x10c/0x180 [ 147.251872][ C0] ? __skb_queue_purge+0x170/0x170 [ 147.257009][ C0] ? tipc_sk_filter_rcv+0x318b/0x39d0 [ 147.262549][ C0] ? ____fput+0x15/0x20 [ 147.266896][ C0] ? task_work_run+0x127/0x190 [ 147.271736][ C0] tipc_node_xmit+0x26c/0xd80 [ 147.276669][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 147.282726][ C0] tipc_node_distr_xmit+0x2a3/0x3b0 [ 147.288411][ C0] ? tipc_node_xmit_skb+0x150/0x150 [ 147.293633][ C0] tipc_sk_backlog_rcv+0x17d/0x210 [ 147.298753][ C0] ? tipc_sk_timeout+0x990/0x990 [ 147.304077][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 147.309817][ C0] __release_sock+0x146/0x360 [ 147.314597][ C0] ? _raw_write_lock_irq+0xf0/0xf0 [ 147.319689][ C0] release_sock+0x60/0x1b0 [ 147.324091][ C0] tipc_release+0xbd4/0x1490 [ 147.328682][ C0] ? down_read_killable+0xe0/0xe0 [ 147.333832][ C0] sock_close+0xe0/0x270 [ 147.338069][ C0] ? sock_mmap+0xa0/0xa0 [ 147.342449][ C0] __fput+0x2fb/0x770 [ 147.346660][ C0] ____fput+0x15/0x20 [ 147.350817][ C0] task_work_run+0x127/0x190 [ 147.355608][ C0] exit_to_user_mode_loop+0xcb/0xe0 [ 147.360911][ C0] exit_to_user_mode_prepare+0x76/0xa0 [ 147.366671][ C0] syscall_exit_to_user_mode+0x1d/0x40 [ 147.372238][ C0] do_syscall_64+0x3d/0x40 [ 147.376674][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 147.382650][ C0] RIP: 0033:0x7f126ddd2079 [ 147.387336][ 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 [ 147.407401][ C0] RSP: 002b:00007f126d837028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 147.415822][ C0] RAX: 00000000000203a0 RBX: 00007f126dffdfa0 RCX: 00007f126ddd2079 [ 147.424758][ C0] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 147.433545][ C0] RBP: 00007f126de64a4c R08: 0000000000000000 R09: 0000000000000000 [ 147.441899][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 147.450392][ C0] R13: 0000000000000000 R14: 00007f126dffdfa0 R15: 00007ffdddff9fc8 [ 199.133741][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.2.17:503] [ 199.141942][ C1] Modules linked in: [ 199.145950][ C1] CPU: 1 PID: 503 Comm: syz.2.17 Not tainted syzkaller #0 [ 199.153233][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 199.163313][ C1] RIP: 0010:__pv_queued_spin_lock_slowpath+0x589/0xb70 [ 199.170439][ C1] Code: 00 48 8b 44 24 10 42 0f b6 04 38 84 c0 0f 85 c4 01 00 00 48 8b 44 24 08 c6 00 01 41 be 00 80 ff ff eb 07 f3 90 41 ff c6 74 4b <43> 0f b6 44 3d 00 84 c0 75 2e 80 3b 00 75 ea 48 89 df be 02 00 00 [ 199.190130][ C1] RSP: 0018:ffffc90000d57a60 EFLAGS: 00000286 [ 199.196200][ C1] RAX: 0000000000000000 RBX: ffff888110c67788 RCX: ffffffff814beeba [ 199.204345][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff888110c67788 [ 199.212323][ C1] RBP: ffffc90000d57b50 R08: ffff888110c67788 R09: 1ffff1102218cef1 [ 199.220469][ C1] R10: dffffc0000000000 R11: ffffed102218cef2 R12: ffff88823ff92400 [ 199.228903][ C1] R13: 1ffff1102218cef1 R14: 00000000ffff99af R15: dffffc0000000000 [ 199.237005][ C1] FS: 000055556bc29500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 199.246146][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.252730][ C1] CR2: 00007f126de1f7c0 CR3: 000000011842d000 CR4: 00000000003506a0 [ 199.261000][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.269294][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.277264][ C1] Call Trace: [ 199.280708][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 199.287410][ C1] ? kasan_save_stack+0x49/0x60 [ 199.292351][ C1] ? __kasan_record_aux_stack+0xd2/0x100 [ 199.298386][ C1] ? kasan_record_aux_stack+0xe/0x10 [ 199.304318][ C1] ? task_work_add+0x27/0x1e0 [ 199.309365][ C1] ? fput+0x1a/0x20 [ 199.313173][ C1] ? filp_close+0x105/0x150 [ 199.318034][ C1] ? __close_range+0x1f4/0x450 [ 199.322926][ C1] ? __x64_sys_close_range+0x7a/0x90 [ 199.328740][ C1] queued_spin_lock_slowpath+0x47/0x50 [ 199.334298][ C1] _raw_spin_lock_bh+0xe4/0xf0 [ 199.339162][ C1] ? _raw_spin_lock_irq+0xf0/0xf0 [ 199.344588][ C1] lock_sock_nested+0x90/0x2a0 [ 199.349472][ C1] ? sock_init_data+0xc0/0xc0 [ 199.354258][ C1] ? fsnotify+0x19ab/0x1a70 [ 199.358869][ C1] tipc_release+0x56/0x1490 [ 199.363386][ C1] ? down_read_killable+0xe0/0xe0 [ 199.368498][ C1] sock_close+0xe0/0x270 [ 199.373033][ C1] ? sock_mmap+0xa0/0xa0 [ 199.377284][ C1] __fput+0x2fb/0x770 [ 199.381268][ C1] ____fput+0x15/0x20 [ 199.385429][ C1] task_work_run+0x127/0x190 [ 199.390110][ C1] exit_to_user_mode_loop+0xcb/0xe0 [ 199.395486][ C1] exit_to_user_mode_prepare+0x76/0xa0 [ 199.401052][ C1] syscall_exit_to_user_mode+0x1d/0x40 [ 199.406520][ C1] do_syscall_64+0x3d/0x40 [ 199.411113][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.417097][ C1] RIP: 0033:0x7f126ddd2079 [ 199.421607][ 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 [ 199.441588][ C1] RSP: 002b:00007ffdddffa128 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 199.450128][ C1] RAX: 0000000000000000 RBX: 00007f126dfffba0 RCX: 00007f126ddd2079 [ 199.458404][ C1] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 199.466389][ C1] RBP: 00007f126dfffba0 R08: 0000000000000006 R09: 0000000000000000 [ 199.474453][ C1] R10: 00007f126dfffac0 R11: 0000000000000246 R12: 000000000000b8ea [ 199.482874][ C1] R13: 00007f126dffe08c R14: 000000000000b60e R15: 00007f126dffe080 [ 199.491054][ C1] Sending NMI from CPU 1 to CPUs 0: [ 199.496925][ C0] NMI backtrace for cpu 0 [ 199.496930][ C0] CPU: 0 PID: 504 Comm: syz.2.17 Not tainted syzkaller #0 [ 199.496935][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 199.496938][ C0] RIP: 0010:preempt_count_sub+0x38/0x170 [ 199.496947][ C0] Code: fc ff df 48 c7 c0 c0 18 e8 86 48 c1 e8 03 0f b6 04 18 84 c0 0f 85 c2 00 00 00 83 3d 71 44 a3 05 00 75 25 65 8b 05 34 99 bd 7e <89> c1 81 e1 ff ff ff 7f 39 cf 7f 27 81 ff ff 00 00 00 0f 93 c1 84 [ 199.496951][ C0] RSP: 0018:ffffc90000fb6a58 EFLAGS: 00000246 [ 199.496959][ C0] RAX: 0000000000000402 RBX: dffffc0000000000 RCX: ffffffff86e81803 [ 199.496963][ C0] RDX: 0000000000000000 RSI: 0000000000000201 RDI: 0000000000000200 [ 199.496967][ C0] RBP: ffffc90000fb6a68 R08: 0000000000000003 R09: 0000000000000004 [ 199.496971][ C0] R10: dffffc0000000000 R11: fffff520001f6d44 R12: ffffc90000fb6ec0 [ 199.496975][ C0] R13: ffff888110c67701 R14: 000000004fd07179 R15: 000000004fd07179 [ 199.496980][ C0] FS: 00007f126d8376c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 199.496984][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.496988][ C0] CR2: 0000200000011000 CR3: 000000011842d000 CR4: 00000000003506b0 [ 199.496992][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.496996][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.496998][ C0] Call Trace: [ 199.497001][ C0] __local_bh_enable_ip+0x22/0x80 [ 199.497004][ C0] _raw_spin_unlock_bh+0x51/0x60 [ 199.497007][ C0] tipc_sk_rcv+0x33d/0x1dc0 [ 199.497010][ C0] ? __stack_depot_save+0x47d/0x4c0 [ 199.497013][ C0] ? kasan_set_track+0x5b/0x70 [ 199.497016][ C0] ? kasan_set_track+0x4a/0x70 [ 199.497019][ C0] ? ____kasan_slab_free+0x125/0x160 [ 199.497022][ C0] ? __kasan_slab_free+0x11/0x20 [ 199.497025][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 199.497028][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.497031][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.497033][ C0] ? kfree_skb+0xc1/0x2f0 [ 199.497036][ C0] ? tipc_msg_reverse+0x698/0x900 [ 199.497039][ C0] ? tipc_node_xmit+0x26c/0xd80 [ 199.497042][ C0] ? tipc_sk_filter_rcv+0x15e5/0x39d0 [ 199.497045][ C0] ? tipc_sk_rcv+0x742/0x1dc0 [ 199.497048][ C0] ? tipc_node_xmit+0x26c/0xd80 [ 199.497051][ C0] ? exit_to_user_mode_prepare+0x76/0xa0 [ 199.497054][ C0] ? syscall_exit_to_user_mode+0x1d/0x40 [ 199.497057][ C0] ? do_syscall_64+0x3d/0x40 [ 199.497060][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.497063][ C0] tipc_node_xmit+0x26c/0xd80 [ 199.497066][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.497069][ C0] ? ____kasan_slab_free+0x130/0x160 [ 199.497072][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.497075][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 199.497078][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.497081][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.497084][ C0] tipc_node_xmit_skb+0xf7/0x150 [ 199.497086][ C0] ? kfree_skb+0xc1/0x2f0 [ 199.497089][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.497093][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 199.497095][ C0] tipc_sk_rcv+0x1c46/0x1dc0 [ 199.497098][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.497101][ C0] tipc_node_xmit+0x26c/0xd80 [ 199.497104][ C0] ? is_bpf_text_address+0x177/0x190 [ 199.497107][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.497111][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 199.497113][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 199.497116][ C0] tipc_sk_filter_rcv+0x15e5/0x39d0 [ 199.497119][ C0] ? tipc_sk_dump+0xfc0/0xfc0 [ 199.497122][ C0] ? __kasan_check_write+0x14/0x20 [ 199.497125][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 199.497128][ C0] tipc_sk_rcv+0x742/0x1dc0 [ 199.497131][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.497134][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.497137][ C0] ? tipc_sk_filter_rcv+0x318b/0x39d0 [ 199.497139][ C0] ? ____fput+0x15/0x20 [ 199.497142][ C0] ? task_work_run+0x127/0x190 [ 199.497145][ C0] tipc_node_xmit+0x26c/0xd80 [ 199.497148][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.497151][ C0] tipc_node_distr_xmit+0x2a3/0x3b0 [ 199.497154][ C0] ? tipc_node_xmit_skb+0x150/0x150 [ 199.497157][ C0] tipc_sk_backlog_rcv+0x17d/0x210 [ 199.497160][ C0] ? tipc_sk_timeout+0x990/0x990 [ 199.497163][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 199.497166][ C0] __release_sock+0x146/0x360 [ 199.497169][ C0] ? _raw_write_lock_irq+0xf0/0xf0 [ 199.497172][ C0] release_sock+0x60/0x1b0 [ 199.497175][ C0] tipc_release+0xbd4/0x1490 [ 199.497177][ C0] ? down_read_killable+0xe0/0xe0 [ 199.497180][ C0] sock_close+0xe0/0x270 [ 199.497183][ C0] ? sock_mmap+0xa0/0xa0 [ 199.497185][ C0] __fput+0x2fb/0x770 [ 199.497188][ C0] ____fput+0x15/0x20 [ 199.497191][ C0] task_work_run+0x127/0x190 [ 199.497194][ C0] exit_to_user_mode_loop+0xcb/0xe0 [ 199.497197][ C0] exit_to_user_mode_prepare+0x76/0xa0 [ 199.497200][ C0] syscall_exit_to_user_mode+0x1d/0x40 [ 199.497203][ C0] do_syscall_64+0x3d/0x40 [ 199.497206][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.497209][ C0] RIP: 0033:0x7f126ddd2079 [ 199.497269][ 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 [ 199.497287][ C0] RSP: 002b:00007f126d837028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 199.497296][ C0] RAX: 00000000000203a0 RBX: 00007f126dffdfa0 RCX: 00007f126ddd2079 [ 199.497300][ C0] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 199.497304][ C0] RBP: 00007f126de64a4c R08: 0000000000000000 R09: 0000000000000000 [ 199.497308][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 199.497312][ C0] R13: 0000000000000000 R14: 00007f126dffdfa0 R15: 00007ffdddff9fc8