Warning: Permanently added '10.128.1.222' (ED25519) to the list of known hosts. 2026/02/21 06:47:31 parsed 1 programs [ 45.023514][ T24] kauditd_printk_skb: 31 callbacks suppressed [ 45.023524][ T24] audit: type=1400 audit(1771656452.449:105): avc: denied { unlink } for pid=413 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" [ 45.092530][ T413] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 46.041588][ T24] audit: type=1401 audit(1771656453.459:106): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 46.079414][ T462] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.086477][ T462] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.094139][ T462] device bridge_slave_0 entered promiscuous mode [ 46.100862][ T462] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.107951][ T462] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.115332][ T462] device bridge_slave_1 entered promiscuous mode [ 46.144424][ T462] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.151461][ T462] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.158830][ T462] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.165874][ T462] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.181508][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.189116][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.196503][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.205410][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.213663][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.220896][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.229551][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.237993][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.245043][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.256288][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.265861][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.278105][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.288816][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.297591][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.305358][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.313891][ T462] device veth0_vlan entered promiscuous mode [ 46.323072][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.332058][ T462] device veth1_macvtap entered promiscuous mode [ 46.341143][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.355260][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.392557][ T24] audit: type=1400 audit(1771656453.809:107): avc: denied { create } for pid=470 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 2026/02/21 06:47:33 executed programs: 0 [ 46.556521][ T24] audit: type=1400 audit(1771656453.979:108): avc: denied { write } for pid=405 comm="syz-execprog" path="pipe:[14889]" dev="pipefs" ino=14889 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 46.603146][ T479] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.610183][ T479] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.618222][ T479] device bridge_slave_0 entered promiscuous mode [ 46.625230][ T479] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.632256][ T479] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.639644][ T479] device bridge_slave_1 entered promiscuous mode [ 46.673369][ T479] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.680484][ T479] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.687861][ T479] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.695077][ T479] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.710912][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.718877][ T466] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.726423][ T466] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.738744][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.747182][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.755470][ T466] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.762481][ T466] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.771265][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.779631][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.787824][ T466] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.795059][ T466] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.806169][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.814250][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.827128][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.835467][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.847754][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.856297][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.871693][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.879770][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.888578][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.896491][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.904647][ T479] device veth0_vlan entered promiscuous mode [ 46.914866][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.923218][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.932486][ T479] device veth1_macvtap entered promiscuous mode [ 46.942146][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.950115][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.958816][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.976133][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.986927][ T466] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.000015][ T24] audit: type=1400 audit(1771656454.419:109): avc: denied { create } for pid=488 comm="syz.2.17" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 47.020057][ T24] audit: type=1400 audit(1771656454.429:110): avc: denied { write } for pid=488 comm="syz.2.17" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 47.057338][ T24] audit: type=1400 audit(1771656454.479:111): avc: denied { setopt } for pid=488 comm="syz.2.17" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 147.122582][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 147.129233][ C0] rcu: 0-...!: (10000 ticks this GP) idle=836/1/0x4000000000000000 softirq=2774/2774 fqs=0 last_accelerate: 9ccc/c3dc dyntick_enabled: 1 [ 147.143348][ C0] (t=10000 jiffies g=1389 q=78) [ 147.148258][ C0] rcu: rcu_preempt kthread starved for 10000 jiffies! g1389 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 147.159501][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 147.169437][ C0] rcu: RCU grace-period kthread stack dump: [ 147.175305][ C0] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 147.184492][ C0] Call Trace: [ 147.187783][ C0] __schedule+0xb53/0x1320 [ 147.192176][ C0] ? __sched_text_start+0x8/0x8 [ 147.197007][ C0] ? __mod_timer+0x7da/0xb50 [ 147.201572][ C0] schedule+0x13c/0x1d0 [ 147.205699][ C0] schedule_timeout+0x159/0x330 [ 147.210515][ C0] ? console_conditional_schedule+0x10/0x10 [ 147.216379][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 147.222155][ C0] ? run_local_timers+0x160/0x160 [ 147.227168][ C0] ? prepare_to_swait_event+0x320/0x340 [ 147.232694][ C0] rcu_gp_kthread+0x1045/0x2730 [ 147.237518][ C0] ? rcu_barrier_callback+0x50/0x50 [ 147.242694][ C0] ? __kasan_check_read+0x11/0x20 [ 147.247710][ C0] ? __kthread_parkme+0xb9/0x1c0 [ 147.252630][ C0] kthread+0x346/0x3d0 [ 147.256856][ C0] ? rcu_barrier_callback+0x50/0x50 [ 147.262020][ C0] ? kthread_blkcg+0xd0/0xd0 [ 147.266578][ C0] ret_from_fork+0x1f/0x30 [ 147.271044][ C0] NMI backtrace for cpu 0 [ 147.275347][ C0] CPU: 0 PID: 492 Comm: syz.2.18 Not tainted syzkaller #0 [ 147.282418][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 147.292442][ C0] Call Trace: [ 147.295694][ C0] [ 147.298649][ C0] __dump_stack+0x21/0x24 [ 147.303141][ C0] dump_stack_lvl+0x1a7/0x208 [ 147.307816][ C0] ? show_regs_print_info+0x18/0x18 [ 147.313035][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 147.318495][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 147.323522][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 147.329654][ C0] dump_stack+0x15/0x1c [ 147.333782][ C0] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 147.339820][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 147.345686][ C0] rcu_dump_cpu_stacks+0x19c/0x2c0 [ 147.350940][ C0] rcu_sched_clock_irq+0xf88/0x1880 [ 147.356120][ C0] ? rcutree_dead_cpu+0x310/0x310 [ 147.361126][ C0] ? hrtimer_run_queues+0x166/0x430 [ 147.366302][ C0] update_process_times+0x198/0x200 [ 147.371499][ C0] tick_sched_timer+0x17c/0x240 [ 147.376351][ C0] ? tick_setup_sched_timer+0x450/0x450 [ 147.381881][ C0] __hrtimer_run_queues+0x380/0x970 [ 147.387146][ C0] ? process_backlog+0x5e0/0x600 [ 147.392148][ C0] ? hrtimer_interrupt+0xdc0/0xdc0 [ 147.397259][ C0] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 147.403389][ C0] hrtimer_interrupt+0x3a6/0xdc0 [ 147.408295][ C0] ? sched_clock_cpu+0x1b/0x3d0 [ 147.413231][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 147.419179][ C0] asm_call_irq_on_stack+0xf/0x20 [ 147.424169][ C0] [ 147.427079][ C0] sysvec_apic_timer_interrupt+0x85/0xe0 [ 147.432682][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 147.438765][ C0] RIP: 0010:tipc_sk_rcv+0x38e/0x1dc0 [ 147.444024][ C0] Code: 24 58 48 8d b8 88 00 00 00 48 89 bc 24 58 01 00 00 e8 36 13 1b 00 41 89 c6 31 ff 89 c6 e8 6a 34 fd fc 45 85 f6 44 89 7c 24 0c <0f> 84 fa 17 00 00 4c 89 6c 24 20 48 8b 84 24 f0 00 00 00 80 3c 18 [ 147.463697][ C0] RSP: 0018:ffffc90000e36aa0 EFLAGS: 00000246 [ 147.469742][ C0] RAX: ffffffff84678596 RBX: dffffc0000000000 RCX: 0000000000000000 [ 147.477806][ C0] RDX: ffff8881185f93c0 RSI: 0000000000000000 RDI: 0000000000000000 [ 147.485932][ C0] RBP: ffffc90000e36d10 R08: ffff8881135a198b R09: 1ffff110226b4331 [ 147.493883][ C0] R10: dffffc0000000000 R11: ffffed10226b4332 R12: ffffc90000e36ec0 [ 147.501830][ C0] R13: ffff8881135a1900 R14: 0000000000000000 R15: 000000004b76a068 [ 147.509802][ C0] ? tipc_sk_rcv+0x386/0x1dc0 [ 147.514473][ C0] ? __stack_depot_save+0x47d/0x4c0 [ 147.519645][ C0] ? kasan_set_track+0x5b/0x70 [ 147.524377][ C0] ? kasan_set_track+0x4a/0x70 [ 147.529116][ C0] ? ____kasan_slab_free+0x125/0x160 [ 147.534522][ C0] ? __kasan_slab_free+0x11/0x20 [ 147.539446][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 147.544972][ C0] ? kmem_cache_free+0x100/0x2d0 [ 147.549885][ C0] ? kfree_skbmem+0x10c/0x180 [ 147.554549][ C0] ? kfree_skb+0xc1/0x2f0 [ 147.558865][ C0] ? tipc_msg_reverse+0x698/0x900 [ 147.563872][ C0] ? tipc_node_xmit+0x26c/0xd80 [ 147.568698][ C0] ? tipc_sk_filter_rcv+0x15e5/0x3910 [ 147.574040][ C0] ? tipc_sk_rcv+0x742/0x1dc0 [ 147.578685][ C0] ? tipc_node_xmit+0x26c/0xd80 [ 147.583520][ C0] ? exit_to_user_mode_prepare+0x76/0xa0 [ 147.589123][ C0] ? syscall_exit_to_user_mode+0x1d/0x40 [ 147.594722][ C0] ? do_syscall_64+0x3d/0x40 [ 147.599289][ C0] ? __skb_queue_purge+0x170/0x170 [ 147.604368][ C0] tipc_node_xmit+0x26c/0xd80 [ 147.609014][ C0] ? kmem_cache_free+0x100/0x2d0 [ 147.613943][ C0] ? ____kasan_slab_free+0x130/0x160 [ 147.619198][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 147.624712][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 147.630334][ C0] ? kfree_skbmem+0x10c/0x180 [ 147.634979][ C0] ? kmem_cache_free+0x100/0x2d0 [ 147.639976][ C0] tipc_node_xmit_skb+0xf7/0x150 [ 147.644883][ C0] ? kfree_skb+0xc1/0x2f0 [ 147.649217][ C0] ? __skb_queue_purge+0x170/0x170 [ 147.654296][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 147.659630][ C0] tipc_sk_rcv+0x1c46/0x1dc0 [ 147.664283][ C0] ? __kasan_check_read+0x11/0x20 [ 147.669278][ C0] ? preempt_schedule_notrace+0x120/0x120 [ 147.675057][ C0] ? asm_sysvec_reschedule_ipi+0x12/0x20 [ 147.680657][ C0] ? __skb_queue_purge+0x170/0x170 [ 147.685745][ C0] ? update_stack_state+0x95/0x480 [ 147.690828][ C0] tipc_node_xmit+0x26c/0xd80 [ 147.695477][ C0] ? is_bpf_text_address+0x177/0x190 [ 147.700778][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 147.706296][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 147.711720][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 147.716365][ C0] tipc_sk_filter_rcv+0x15e5/0x3910 [ 147.721542][ C0] ? tipc_sk_dump+0xfc0/0xfc0 [ 147.726186][ C0] ? __kasan_check_write+0x14/0x20 [ 147.731275][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 147.736280][ C0] tipc_sk_rcv+0x742/0x1dc0 [ 147.740762][ C0] ? kfree_skbmem+0x10c/0x180 [ 147.745411][ C0] ? __skb_queue_purge+0x170/0x170 [ 147.750486][ C0] ? tipc_sk_filter_rcv+0x30d7/0x3910 [ 147.755927][ C0] ? ____fput+0x15/0x20 [ 147.760063][ C0] ? task_work_run+0x127/0x190 [ 147.764817][ C0] tipc_node_xmit+0x26c/0xd80 [ 147.769474][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 147.775002][ C0] tipc_node_distr_xmit+0x2a3/0x3b0 [ 147.780291][ C0] ? tipc_node_xmit_skb+0x150/0x150 [ 147.785652][ C0] tipc_sk_backlog_rcv+0x17d/0x210 [ 147.790753][ C0] ? tipc_sk_timeout+0x990/0x990 [ 147.795757][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 147.801279][ C0] __release_sock+0x146/0x360 [ 147.805935][ C0] ? _raw_write_lock_irq+0xf0/0xf0 [ 147.811018][ C0] release_sock+0x60/0x1b0 [ 147.815406][ C0] tipc_release+0xbd4/0x1490 [ 147.819966][ C0] ? down_read_killable+0xe0/0xe0 [ 147.824960][ C0] sock_close+0xe0/0x270 [ 147.829171][ C0] ? sock_mmap+0xa0/0xa0 [ 147.833389][ C0] __fput+0x2fb/0x770 [ 147.837334][ C0] ____fput+0x15/0x20 [ 147.841369][ C0] task_work_run+0x127/0x190 [ 147.845928][ C0] exit_to_user_mode_loop+0xcb/0xe0 [ 147.851089][ C0] exit_to_user_mode_prepare+0x76/0xa0 [ 147.856516][ C0] syscall_exit_to_user_mode+0x1d/0x40 [ 147.861969][ C0] do_syscall_64+0x3d/0x40 [ 147.866480][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 147.872361][ C0] RIP: 0033:0x7f5961549379 [ 147.876757][ 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 [ 147.896625][ C0] RSP: 002b:00007f59613ae028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 147.905022][ C0] RAX: 00000000000203a0 RBX: 00007f5961794fa0 RCX: 00007f5961549379 [ 147.912993][ C0] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 147.920959][ C0] RBP: 00007f59615dcd68 R08: 0000000000000000 R09: 0000000000000000 [ 147.928915][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 147.937051][ C0] R13: 00007f5961795038 R14: 00007f5961794fa0 R15: 00007fffae9827f8 [ 199.249740][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.2.18:491] [ 199.257752][ C1] Modules linked in: [ 199.261652][ C1] CPU: 1 PID: 491 Comm: syz.2.18 Not tainted syzkaller #0 [ 199.268829][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 199.279319][ C1] RIP: 0010:kvm_wait+0xce/0x130 [ 199.284168][ 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 [ 199.303847][ C1] RSP: 0018:ffffc90000e279a0 EFLAGS: 00000246 [ 199.309902][ C1] RAX: 0000000000000003 RBX: ffff8881135a1988 RCX: ffffffff814bed9a [ 199.318041][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff8881135a1988 [ 199.326094][ C1] RBP: ffffc90000e27a50 R08: ffff8881135a1988 R09: 1ffff110226b4331 [ 199.334046][ C1] R10: dffffc0000000000 R11: ffffed10226b4332 R12: 0000000000000246 [ 199.342009][ C1] R13: 1ffff110226b4331 R14: dffffc0000000000 R15: 1ffff920001c4f38 [ 199.349979][ C1] FS: 0000555575051500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 199.358894][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.365458][ C1] CR2: 00007f596138cff8 CR3: 000000011843d000 CR4: 00000000003506a0 [ 199.373414][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.381370][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.389324][ C1] Call Trace: [ 199.392617][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 199.398857][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 199.403955][ C1] ? __pv_queued_spin_lock_slowpath+0x6ba/0xb70 [ 199.410192][ C1] __pv_queued_spin_lock_slowpath+0x714/0xb70 [ 199.416240][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 199.422634][ C1] ? kasan_save_stack+0x49/0x60 [ 199.427465][ C1] ? __kasan_record_aux_stack+0xd2/0x100 [ 199.433080][ C1] ? kasan_record_aux_stack+0xe/0x10 [ 199.438355][ C1] ? task_work_add+0x27/0x1e0 [ 199.443018][ C1] ? fput+0x1a/0x20 [ 199.446893][ C1] ? filp_close+0x105/0x150 [ 199.451380][ C1] ? __close_range+0x1d1/0x440 [ 199.456123][ C1] ? __x64_sys_close_range+0x7a/0x90 [ 199.461389][ C1] queued_spin_lock_slowpath+0x47/0x50 [ 199.466829][ C1] _raw_spin_lock_bh+0xe4/0xf0 [ 199.471571][ C1] ? _raw_spin_lock_irq+0xf0/0xf0 [ 199.476577][ C1] lock_sock_nested+0x90/0x2a0 [ 199.481324][ C1] ? sock_init_data+0xc0/0xc0 [ 199.485982][ C1] ? fsnotify+0x19ab/0x1a70 [ 199.490474][ C1] tipc_release+0x56/0x1490 [ 199.495052][ C1] ? down_read_killable+0xe0/0xe0 [ 199.500058][ C1] sock_close+0xe0/0x270 [ 199.504452][ C1] ? sock_mmap+0xa0/0xa0 [ 199.508767][ C1] __fput+0x2fb/0x770 [ 199.512730][ C1] ____fput+0x15/0x20 [ 199.516716][ C1] task_work_run+0x127/0x190 [ 199.521289][ C1] exit_to_user_mode_loop+0xcb/0xe0 [ 199.526484][ C1] exit_to_user_mode_prepare+0x76/0xa0 [ 199.531955][ C1] syscall_exit_to_user_mode+0x1d/0x40 [ 199.537510][ C1] do_syscall_64+0x3d/0x40 [ 199.541924][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.547995][ C1] RIP: 0033:0x7f5961549379 [ 199.552480][ 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 [ 199.572343][ C1] RSP: 002b:00007fffae982958 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 199.580847][ C1] RAX: 0000000000000000 RBX: 00007f5961796da0 RCX: 00007f5961549379 [ 199.588820][ C1] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 199.596865][ C1] RBP: 00007f5961796da0 R08: 0000000000000006 R09: 0000000000000000 [ 199.604830][ C1] R10: 00007f5961796cb0 R11: 0000000000000246 R12: 000000000000bb0f [ 199.612819][ C1] R13: 00007f596179509c R14: 000000000000b834 R15: 00007f5961795090 [ 199.620966][ C1] Sending NMI from CPU 1 to CPUs 0: [ 199.626873][ C0] NMI backtrace for cpu 0 [ 199.626882][ C0] CPU: 0 PID: 492 Comm: syz.2.18 Not tainted syzkaller #0 [ 199.626888][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 199.626892][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x36/0x90 [ 199.626908][ C0] Code: 70 b3 9d 7e 65 8b 0d 75 b3 9d 7e f7 c1 00 01 ff 00 74 11 f7 c1 00 01 00 00 74 5b 83 ba dc 0a 00 00 00 74 52 8b 8a b8 0a 00 00 <83> f9 03 75 47 48 8b 8a c0 0a 00 00 44 8b 8a bc 0a 00 00 49 c1 e1 [ 199.626912][ C0] RSP: 0018:ffffc90000e36a90 EFLAGS: 00000246 [ 199.626919][ C0] RAX: ffffffff84678596 RBX: dffffc0000000000 RCX: 0000000000000000 [ 199.626924][ C0] RDX: ffff8881185f93c0 RSI: 0000000000000000 RDI: 0000000000000000 [ 199.626928][ C0] RBP: ffffc90000e36a90 R08: ffff8881135a198b R09: 1ffff110226b4331 [ 199.626933][ C0] R10: dffffc0000000000 R11: ffffed10226b4332 R12: ffffc90000e36ec0 [ 199.626937][ C0] R13: ffff8881135a1900 R14: 0000000000000000 R15: 000000004b76a068 [ 199.626942][ C0] FS: 00007f59613ae6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 199.626946][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.626950][ C0] CR2: 00007f5961596ac0 CR3: 000000011843d000 CR4: 00000000003506b0 [ 199.626955][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.626959][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.626961][ C0] Call Trace: [ 199.626964][ C0] tipc_sk_rcv+0x386/0x1dc0 [ 199.626967][ C0] ? __stack_depot_save+0x47d/0x4c0 [ 199.626970][ C0] ? kasan_set_track+0x5b/0x70 [ 199.626973][ C0] ? kasan_set_track+0x4a/0x70 [ 199.626976][ C0] ? ____kasan_slab_free+0x125/0x160 [ 199.626979][ C0] ? __kasan_slab_free+0x11/0x20 [ 199.626982][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 199.626985][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.626988][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.626991][ C0] ? kfree_skb+0xc1/0x2f0 [ 199.626994][ C0] ? tipc_msg_reverse+0x698/0x900 [ 199.626997][ C0] ? tipc_node_xmit+0x26c/0xd80 [ 199.627000][ C0] ? tipc_sk_filter_rcv+0x15e5/0x3910 [ 199.627003][ C0] ? tipc_sk_rcv+0x742/0x1dc0 [ 199.627006][ C0] ? tipc_node_xmit+0x26c/0xd80 [ 199.627009][ C0] ? exit_to_user_mode_prepare+0x76/0xa0 [ 199.627012][ C0] ? syscall_exit_to_user_mode+0x1d/0x40 [ 199.627015][ C0] ? do_syscall_64+0x3d/0x40 [ 199.627018][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.627021][ C0] tipc_node_xmit+0x26c/0xd80 [ 199.627024][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.627027][ C0] ? ____kasan_slab_free+0x130/0x160 [ 199.627030][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.627034][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 199.627036][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.627039][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.627042][ C0] tipc_node_xmit_skb+0xf7/0x150 [ 199.627045][ C0] ? kfree_skb+0xc1/0x2f0 [ 199.627048][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.627051][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 199.627054][ C0] tipc_sk_rcv+0x1c46/0x1dc0 [ 199.627057][ C0] ? __kasan_check_read+0x11/0x20 [ 199.627060][ C0] ? preempt_schedule_notrace+0x120/0x120 [ 199.627064][ C0] ? asm_sysvec_reschedule_ipi+0x12/0x20 [ 199.627067][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.627070][ C0] ? update_stack_state+0x95/0x480 [ 199.627073][ C0] tipc_node_xmit+0x26c/0xd80 [ 199.627076][ C0] ? is_bpf_text_address+0x177/0x190 [ 199.627079][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.627082][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 199.627085][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 199.627088][ C0] tipc_sk_filter_rcv+0x15e5/0x3910 [ 199.627091][ C0] ? tipc_sk_dump+0xfc0/0xfc0 [ 199.627095][ C0] ? __kasan_check_write+0x14/0x20 [ 199.627098][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 199.627100][ C0] tipc_sk_rcv+0x742/0x1dc0 [ 199.627103][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.627106][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.627109][ C0] ? tipc_sk_filter_rcv+0x30d7/0x3910 [ 199.627112][ C0] ? ____fput+0x15/0x20 [ 199.627115][ C0] ? task_work_run+0x127/0x190 [ 199.627118][ C0] tipc_node_xmit+0x26c/0xd80 [ 199.627121][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.627124][ C0] tipc_node_distr_xmit+0x2a3/0x3b0 [ 199.627127][ C0] ? tipc_node_xmit_skb+0x150/0x150 [ 199.627130][ C0] tipc_sk_backlog_rcv+0x17d/0x210 [ 199.627133][ C0] ? tipc_sk_timeout+0x990/0x990 [ 199.627136][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 199.627139][ C0] __release_sock+0x146/0x360 [ 199.627142][ C0] ? _raw_write_lock_irq+0xf0/0xf0 [ 199.627144][ C0] release_sock+0x60/0x1b0 [ 199.627146][ C0] tipc_release+0xbd4/0x1490 [ 199.627148][ C0] ? down_read_killable+0xe0/0xe0 [ 199.627150][ C0] sock_close+0xe0/0x270 [ 199.627152][ C0] ? sock_mmap+0xa0/0xa0 [ 199.627154][ C0] __fput+0x2fb/0x770 [ 199.627156][ C0] ____fput+0x15/0x20 [ 199.627158][ C0] task_work_run+0x127/0x190 [ 199.627161][ C0] exit_to_user_mode_loop+0xcb/0xe0 [ 199.627163][ C0] exit_to_user_mode_prepare+0x76/0xa0 [ 199.627166][ C0] syscall_exit_to_user_mode+0x1d/0x40 [ 199.627168][ C0] do_syscall_64+0x3d/0x40 [ 199.627170][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.627172][ C0] RIP: 0033:0x7f5961549379 [ 199.627179][ 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 [ 199.627182][ C0] RSP: 002b:00007f59613ae028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 199.627188][ C0] RAX: 00000000000203a0 RBX: 00007f5961794fa0 RCX: 00007f5961549379 [ 199.627191][ C0] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 199.627195][ C0] RBP: 00007f59615dcd68 R08: 0000000000000000 R09: 0000000000000000 [ 199.627198][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 199.627201][ C0] R13: 00007f5961795038 R14: 00007f5961794fa0 R15: 00007fffae9827f8