Warning: Permanently added '10.128.1.92' (ED25519) to the list of known hosts. 2026/05/14 02:55:07 parsed 1 programs [ 49.224541][ T24] kauditd_printk_skb: 31 callbacks suppressed [ 49.224552][ T24] audit: type=1400 audit(1778727308.630:105): avc: denied { unlink } for pid=441 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" [ 49.270427][ T441] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 49.791933][ T24] audit: type=1400 audit(1778727309.200:106): avc: denied { create } for pid=454 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 50.239066][ T24] audit: type=1401 audit(1778727309.640:107): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 50.306483][ T495] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.314183][ T495] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.321885][ T495] device bridge_slave_0 entered promiscuous mode [ 50.329202][ T495] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.336696][ T495] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.344595][ T495] device bridge_slave_1 entered promiscuous mode [ 50.374690][ T495] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.381771][ T495] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.389365][ T495] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.396947][ T495] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.414990][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.423632][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.431934][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.442930][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.451616][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.458897][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.467456][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.476458][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.484380][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.496380][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.506301][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.522839][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.533866][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.542536][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.550543][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.560044][ T495] device veth0_vlan entered promiscuous mode [ 50.574934][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.584997][ T495] device veth1_macvtap entered promiscuous mode [ 50.597862][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.608092][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/05/14 02:55:10 executed programs: 0 [ 50.793857][ T24] audit: type=1400 audit(1778727310.200:108): avc: denied { write } for pid=432 comm="syz-execprog" path="pipe:[14791]" dev="pipefs" ino=14791 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 50.869698][ T505] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.877702][ T505] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.885634][ T505] device bridge_slave_0 entered promiscuous mode [ 50.893136][ T505] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.900273][ T505] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.908105][ T505] device bridge_slave_1 entered promiscuous mode [ 50.956155][ T505] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.963443][ T505] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.971244][ T505] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.978434][ T505] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.995840][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.004632][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.012226][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.024684][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.033735][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.041196][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.050745][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.059078][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.067136][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.078664][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.088533][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.103118][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.115109][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.124084][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.132233][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.141814][ T505] device veth0_vlan entered promiscuous mode [ 51.152019][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.161394][ T505] device veth1_macvtap entered promiscuous mode [ 51.170282][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.180210][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.203821][ T24] audit: type=1400 audit(1778727310.610:109): avc: denied { create } for pid=512 comm="syz.2.17" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 51.224830][ T24] audit: type=1400 audit(1778727310.610:110): avc: denied { write } for pid=512 comm="syz.2.17" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 51.255043][ T24] audit: type=1400 audit(1778727310.660:111): avc: denied { read } for pid=512 comm="syz.2.17" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 51.275605][ T24] audit: type=1400 audit(1778727310.660:112): avc: denied { setopt } for pid=512 comm="syz.2.17" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 151.341245][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 151.348151][ C0] rcu: 0-...!: (1 GPs behind) idle=8f6/1/0x4000000000000000 softirq=2986/2987 fqs=38 last_accelerate: 9e82/c593 dyntick_enabled: 1 [ 151.362747][ C0] (t=10000 jiffies g=1917 q=136) [ 151.368149][ C0] rcu: rcu_preempt kthread starved for 9924 jiffies! g1917 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 151.380176][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 151.391662][ C0] rcu: RCU grace-period kthread stack dump: [ 151.397772][ C0] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 151.407163][ C0] Call Trace: [ 151.411052][ C0] __schedule+0xb53/0x1320 [ 151.415685][ C0] ? __sched_text_start+0x8/0x8 [ 151.420630][ C0] ? __mod_timer+0x7da/0xb50 [ 151.425590][ C0] schedule+0x13c/0x1d0 [ 151.430281][ C0] schedule_timeout+0x159/0x330 [ 151.435340][ C0] ? console_conditional_schedule+0x10/0x10 [ 151.441253][ C0] ? run_local_timers+0x160/0x160 [ 151.446299][ C0] ? prepare_to_swait_event+0x320/0x340 [ 151.452119][ C0] rcu_gp_kthread+0x1045/0x2730 [ 151.457136][ C0] ? dyntick_save_progress_counter+0x1b0/0x1b0 [ 151.463589][ C0] ? rcu_barrier_callback+0x50/0x50 [ 151.469127][ C0] ? __kasan_check_read+0x11/0x20 [ 151.474161][ C0] ? __kthread_parkme+0xb9/0x1c0 [ 151.479083][ C0] kthread+0x346/0x3d0 [ 151.484520][ C0] ? rcu_barrier_callback+0x50/0x50 [ 151.490525][ C0] ? kthread_blkcg+0xd0/0xd0 [ 151.496394][ C0] ret_from_fork+0x1f/0x30 [ 151.501306][ C0] NMI backtrace for cpu 0 [ 151.506589][ C0] CPU: 0 PID: 516 Comm: syz.2.18 Not tainted syzkaller #0 [ 151.514866][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 151.526428][ C0] Call Trace: [ 151.529806][ C0] [ 151.532736][ C0] __dump_stack+0x21/0x24 [ 151.537223][ C0] dump_stack_lvl+0x1a7/0x208 [ 151.542064][ C0] ? show_regs_print_info+0x18/0x18 [ 151.547607][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 151.553239][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 151.558184][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 151.564616][ C0] dump_stack+0x15/0x1c [ 151.568843][ C0] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 151.574953][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 151.581017][ C0] rcu_dump_cpu_stacks+0x19c/0x2c0 [ 151.586392][ C0] rcu_sched_clock_irq+0xf88/0x1880 [ 151.592450][ C0] ? rcutree_dead_cpu+0x310/0x310 [ 151.598015][ C0] ? hrtimer_run_queues+0x166/0x430 [ 151.603998][ C0] update_process_times+0x198/0x200 [ 151.609210][ C0] tick_sched_timer+0x17c/0x240 [ 151.614553][ C0] ? tick_setup_sched_timer+0x450/0x450 [ 151.620352][ C0] __hrtimer_run_queues+0x34f/0x820 [ 151.625816][ C0] ? hrtimer_interrupt+0xdc0/0xdc0 [ 151.630933][ C0] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 151.637085][ C0] hrtimer_interrupt+0x3a6/0xdc0 [ 151.642114][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 151.648005][ C0] asm_call_irq_on_stack+0xf/0x20 [ 151.653249][ C0] [ 151.656468][ C0] sysvec_apic_timer_interrupt+0x85/0xe0 [ 151.662393][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 151.668718][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x36/0x80 [ 151.675832][ C0] Code: a0 b1 9d 7e 65 8b 15 a5 b1 9d 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 57 83 b9 dc 0a 00 00 00 74 4e 8b 91 b8 0a 00 00 <83> fa 03 75 43 48 8b 91 c0 0a 00 00 44 8b 89 bc 0a 00 00 49 c1 e1 [ 151.696253][ C0] RSP: 0018:ffffc90000db6990 EFLAGS: 00000246 [ 151.702401][ C0] RAX: ffffffff8467e109 RBX: ffff8881179747a0 RCX: ffff8881186e4f00 [ 151.710627][ C0] RDX: 0000000000000000 RSI: ffff88811391f0e8 RDI: 0000000000000000 [ 151.718701][ C0] RBP: ffffc90000db6990 R08: 0000000000000003 R09: 0000000000000004 [ 151.726765][ C0] R10: dffffc0000000000 R11: fffff520001b6d44 R12: dffffc0000000000 [ 151.735030][ C0] R13: ffff88811391f0e8 R14: 000000004304ebee R15: ffff88811795d0de [ 151.743100][ C0] ? tipc_sk_lookup+0x269/0x5f0 [ 151.748074][ C0] tipc_sk_lookup+0x269/0x5f0 [ 151.752926][ C0] ? tipc_sk_rcv+0x1dc0/0x1dc0 [ 151.757706][ C0] ? tipc_sk_rcv+0x191a/0x1dc0 [ 151.762456][ C0] tipc_sk_rcv+0x350/0x1dc0 [ 151.766945][ C0] ? __stack_depot_save+0x47d/0x4c0 [ 151.772217][ C0] ? kasan_set_track+0x5b/0x70 [ 151.777209][ C0] ? kasan_set_track+0x4a/0x70 [ 151.782063][ C0] ? ____kasan_slab_free+0x125/0x160 [ 151.787618][ C0] ? __kasan_slab_free+0x11/0x20 [ 151.792918][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 151.799026][ C0] ? kmem_cache_free+0x100/0x2d0 [ 151.805535][ C0] ? kfree_skbmem+0x10c/0x180 [ 151.810338][ C0] ? kfree_skb+0xc1/0x2f0 [ 151.814851][ C0] ? tipc_msg_reverse+0x698/0x900 [ 151.820039][ C0] ? tipc_node_xmit+0x26c/0xd80 [ 151.825055][ C0] ? tipc_sk_filter_rcv+0x15e5/0x39d0 [ 151.830776][ C0] ? tipc_sk_rcv+0x742/0x1dc0 [ 151.835554][ C0] ? tipc_node_xmit+0x26c/0xd80 [ 151.840591][ C0] ? exit_to_user_mode_prepare+0x76/0xa0 [ 151.846649][ C0] ? syscall_exit_to_user_mode+0x1d/0x40 [ 151.852469][ C0] ? do_syscall_64+0x3d/0x40 [ 151.857344][ C0] ? __skb_queue_purge+0x170/0x170 [ 151.862654][ C0] tipc_node_xmit+0x26c/0xd80 [ 151.867792][ C0] ? kmem_cache_free+0x100/0x2d0 [ 151.872988][ C0] ? ____kasan_slab_free+0x130/0x160 [ 151.879028][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 151.885016][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 151.890741][ C0] ? kfree_skbmem+0x10c/0x180 [ 151.895658][ C0] ? kmem_cache_free+0x100/0x2d0 [ 151.900700][ C0] tipc_node_xmit_skb+0xf7/0x150 [ 151.906119][ C0] ? kfree_skb+0xc1/0x2f0 [ 151.910742][ C0] ? __skb_queue_purge+0x170/0x170 [ 151.916348][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 151.921943][ C0] tipc_sk_rcv+0x1c46/0x1dc0 [ 151.926916][ C0] ? __skb_queue_purge+0x170/0x170 [ 151.932404][ C0] tipc_node_xmit+0x26c/0xd80 [ 151.937448][ C0] ? is_bpf_text_address+0x177/0x190 [ 151.943457][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 151.949173][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 151.955140][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 151.960015][ C0] tipc_sk_filter_rcv+0x15e5/0x39d0 [ 151.965377][ C0] ? tipc_sk_dump+0xfc0/0xfc0 [ 151.970440][ C0] ? __kasan_check_write+0x14/0x20 [ 151.975565][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 151.981338][ C0] tipc_sk_rcv+0x742/0x1dc0 [ 151.986387][ C0] ? kfree_skbmem+0x10c/0x180 [ 151.991426][ C0] ? __skb_queue_purge+0x170/0x170 [ 151.996829][ C0] ? tipc_sk_filter_rcv+0x318b/0x39d0 [ 152.002280][ C0] tipc_node_xmit+0x26c/0xd80 [ 152.007036][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 152.012868][ C0] tipc_node_distr_xmit+0x2a3/0x3b0 [ 152.018251][ C0] ? tipc_node_xmit_skb+0x150/0x150 [ 152.024013][ C0] tipc_sk_backlog_rcv+0x17d/0x210 [ 152.029355][ C0] ? tipc_sk_timeout+0x990/0x990 [ 152.034299][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 152.040107][ C0] ? tipc_sk_leave+0x320/0x4e0 [ 152.045239][ C0] __release_sock+0x146/0x360 [ 152.050126][ C0] ? _raw_write_lock_irq+0xf0/0xf0 [ 152.055842][ C0] release_sock+0x60/0x1b0 [ 152.060621][ C0] tipc_release+0xbd4/0x1490 [ 152.065392][ C0] ? down_read_killable+0xe0/0xe0 [ 152.070534][ C0] sock_close+0xe0/0x270 [ 152.075216][ C0] ? sock_mmap+0xa0/0xa0 [ 152.079495][ C0] __fput+0x2fb/0x770 [ 152.083647][ C0] ____fput+0x15/0x20 [ 152.087798][ C0] task_work_run+0x127/0x190 [ 152.092732][ C0] exit_to_user_mode_loop+0xcb/0xe0 [ 152.098010][ C0] exit_to_user_mode_prepare+0x76/0xa0 [ 152.103917][ C0] syscall_exit_to_user_mode+0x1d/0x40 [ 152.109620][ C0] do_syscall_64+0x3d/0x40 [ 152.114353][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 152.120314][ C0] RIP: 0033:0x7f6a709e3679 [ 152.125006][ 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 [ 152.145794][ C0] RSP: 002b:00007f6a70848028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 152.154629][ C0] RAX: 00000000000203a0 RBX: 00007f6a70c4efa0 RCX: 00007f6a709e3679 [ 152.163221][ C0] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 152.171573][ C0] RBP: 00007f6a70a76ee0 R08: 0000000000000000 R09: 0000000000000000 [ 152.180078][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 152.188220][ C0] R13: 00007f6a70c4f038 R14: 00007f6a70c4efa0 R15: 00007fffae602758 [ 199.132571][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.2.18:515] [ 199.141382][ C1] Modules linked in: [ 199.145607][ C1] CPU: 1 PID: 515 Comm: syz.2.18 Not tainted syzkaller #0 [ 199.153381][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 199.163817][ C1] RIP: 0010:kvm_wait+0xce/0x130 [ 199.169018][ C1] Code: 38 f0 75 26 41 f7 c4 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d c3 1c b8 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d b4 1c 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 [ 199.190425][ C1] RSP: 0018:ffffc90000da79a0 EFLAGS: 00000246 [ 199.196952][ C1] RAX: 0000000000000003 RBX: ffff88811391ed88 RCX: ffffffff814beeba [ 199.205205][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88811391ed88 [ 199.214958][ C1] RBP: ffffc90000da7a50 R08: ffff88811391ed88 R09: 1ffff11022723db1 [ 199.223125][ C1] R10: dffffc0000000000 R11: ffffed1022723db2 R12: 0000000000000246 [ 199.231892][ C1] R13: 1ffff11022723db1 R14: dffffc0000000000 R15: 1ffff920001b4f38 [ 199.239877][ C1] FS: 000055557d853500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 199.249228][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.256343][ C1] CR2: 00007f6a70a30dc0 CR3: 0000000125c76000 CR4: 00000000003506a0 [ 199.264739][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.273454][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.281708][ C1] Call Trace: [ 199.285374][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 199.291550][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 199.296765][ C1] __pv_queued_spin_lock_slowpath+0x714/0xb70 [ 199.303260][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 199.309949][ C1] ? kasan_save_stack+0x49/0x60 [ 199.315229][ C1] ? __kasan_record_aux_stack+0xd2/0x100 [ 199.320976][ C1] ? kasan_record_aux_stack+0xe/0x10 [ 199.326545][ C1] ? task_work_add+0x27/0x1e0 [ 199.331332][ C1] ? fput+0x1a/0x20 [ 199.335263][ C1] ? filp_close+0x105/0x150 [ 199.339867][ C1] ? __close_range+0x1f4/0x450 [ 199.345154][ C1] ? __x64_sys_close_range+0x7a/0x90 [ 199.350667][ C1] queued_spin_lock_slowpath+0x47/0x50 [ 199.356440][ C1] _raw_spin_lock_bh+0xe4/0xf0 [ 199.361585][ C1] ? _raw_spin_lock_irq+0xf0/0xf0 [ 199.367062][ C1] lock_sock_nested+0x90/0x2a0 [ 199.372259][ C1] ? sock_init_data+0xc0/0xc0 [ 199.377116][ C1] ? fsnotify+0x19ab/0x1a70 [ 199.382092][ C1] tipc_release+0x56/0x1490 [ 199.386687][ C1] ? down_read_killable+0xe0/0xe0 [ 199.392166][ C1] sock_close+0xe0/0x270 [ 199.396801][ C1] ? sock_mmap+0xa0/0xa0 [ 199.401979][ C1] __fput+0x2fb/0x770 [ 199.406147][ C1] ____fput+0x15/0x20 [ 199.410404][ C1] task_work_run+0x127/0x190 [ 199.415449][ C1] exit_to_user_mode_loop+0xcb/0xe0 [ 199.421873][ C1] exit_to_user_mode_prepare+0x76/0xa0 [ 199.427750][ C1] syscall_exit_to_user_mode+0x1d/0x40 [ 199.433334][ C1] do_syscall_64+0x3d/0x40 [ 199.437959][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.443863][ C1] RIP: 0033:0x7f6a709e3679 [ 199.448497][ 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 [ 199.471244][ C1] RSP: 002b:00007fffae6028b8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 199.479941][ C1] RAX: 0000000000000000 RBX: 00007f6a70c50da0 RCX: 00007f6a709e3679 [ 199.488770][ C1] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 199.498863][ C1] RBP: 00007f6a70c50da0 R08: 0000000000000006 R09: 0000000000000000 [ 199.509448][ C1] R10: 00007f6a70c50cb0 R11: 0000000000000246 R12: 000000000000cb76 [ 199.518198][ C1] R13: 00007f6a70c4f09c R14: 000000000000c89a R15: 00007f6a70c4f090 [ 199.526861][ C1] Sending NMI from CPU 1 to CPUs 0: [ 199.533212][ C0] NMI backtrace for cpu 0 [ 199.533218][ C0] CPU: 0 PID: 516 Comm: syz.2.18 Not tainted syzkaller #0 [ 199.533223][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 199.533227][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x5c/0x60 [ 199.533236][ C0] Code: b8 0a 00 00 83 fa 02 75 21 48 8b 91 c0 0a 00 00 48 8b 32 48 8d 7e 01 8b 89 bc 0a 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a <5d> c3 66 90 55 48 89 e5 48 8b 45 08 65 48 8b 15 80 b5 9d 7e 65 8b [ 199.533239][ C0] RSP: 0018:ffffc90000db6a90 EFLAGS: 00000293 [ 199.533248][ C0] RAX: ffffffff8467c402 RBX: dffffc0000000000 RCX: ffff8881186e4f00 [ 199.533252][ C0] RDX: 0000000000000000 RSI: 00000000d8e64f47 RDI: 0000000000000000 [ 199.533256][ C0] RBP: ffffc90000db6a90 R08: 0000000000000003 R09: 0000000000000004 [ 199.533260][ C0] R10: dffffc0000000000 R11: fffff520001b6d44 R12: ffffc90000db6ec0 [ 199.533264][ C0] R13: ffff88811391ed01 R14: 00000000d8e64f47 R15: 00000000d8e64f47 [ 199.533269][ C0] FS: 00007f6a708486c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 199.533273][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.533277][ C0] CR2: 00007f6a6c000020 CR3: 0000000125c76000 CR4: 00000000003506b0 [ 199.533281][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.533285][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.533288][ C0] Call Trace: [ 199.533291][ C0] tipc_sk_rcv+0x322/0x1dc0 [ 199.533294][ C0] ? __stack_depot_save+0x47d/0x4c0 [ 199.533297][ C0] ? kasan_set_track+0x5b/0x70 [ 199.533300][ C0] ? kasan_set_track+0x4a/0x70 [ 199.533303][ C0] ? ____kasan_slab_free+0x125/0x160 [ 199.533306][ C0] ? __kasan_slab_free+0x11/0x20 [ 199.533309][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 199.533312][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.533315][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.533318][ C0] ? kfree_skb+0xc1/0x2f0 [ 199.533321][ C0] ? tipc_msg_reverse+0x698/0x900 [ 199.533324][ C0] ? tipc_node_xmit+0x26c/0xd80 [ 199.533327][ C0] ? tipc_sk_filter_rcv+0x15e5/0x39d0 [ 199.533330][ C0] ? tipc_sk_rcv+0x742/0x1dc0 [ 199.533333][ C0] ? tipc_node_xmit+0x26c/0xd80 [ 199.533336][ C0] ? exit_to_user_mode_prepare+0x76/0xa0 [ 199.533339][ C0] ? syscall_exit_to_user_mode+0x1d/0x40 [ 199.533342][ C0] ? do_syscall_64+0x3d/0x40 [ 199.533345][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.533348][ C0] tipc_node_xmit+0x26c/0xd80 [ 199.533351][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.533354][ C0] ? ____kasan_slab_free+0x130/0x160 [ 199.533358][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.533361][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 199.533364][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.533367][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.533370][ C0] tipc_node_xmit_skb+0xf7/0x150 [ 199.533373][ C0] ? kfree_skb+0xc1/0x2f0 [ 199.533376][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.533379][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 199.533382][ C0] tipc_sk_rcv+0x1c46/0x1dc0 [ 199.533385][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.533387][ C0] tipc_node_xmit+0x26c/0xd80 [ 199.533390][ C0] ? is_bpf_text_address+0x177/0x190 [ 199.533394][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.533397][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 199.533400][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 199.533403][ C0] tipc_sk_filter_rcv+0x15e5/0x39d0 [ 199.533406][ C0] ? tipc_sk_dump+0xfc0/0xfc0 [ 199.533409][ C0] ? __kasan_check_write+0x14/0x20 [ 199.533412][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 199.533414][ C0] tipc_sk_rcv+0x742/0x1dc0 [ 199.533417][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.533420][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.533423][ C0] ? tipc_sk_filter_rcv+0x318b/0x39d0 [ 199.533426][ C0] tipc_node_xmit+0x26c/0xd80 [ 199.533429][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.533432][ C0] tipc_node_distr_xmit+0x2a3/0x3b0 [ 199.533436][ C0] ? tipc_node_xmit_skb+0x150/0x150 [ 199.533439][ C0] tipc_sk_backlog_rcv+0x17d/0x210 [ 199.533442][ C0] ? tipc_sk_timeout+0x990/0x990 [ 199.533445][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 199.533448][ C0] ? tipc_sk_leave+0x320/0x4e0 [ 199.533451][ C0] __release_sock+0x146/0x360 [ 199.533454][ C0] ? _raw_write_lock_irq+0xf0/0xf0 [ 199.533456][ C0] release_sock+0x60/0x1b0 [ 199.533459][ C0] tipc_release+0xbd4/0x1490 [ 199.533462][ C0] ? down_read_killable+0xe0/0xe0 [ 199.533465][ C0] sock_close+0xe0/0x270 [ 199.533468][ C0] ? sock_mmap+0xa0/0xa0 [ 199.533471][ C0] __fput+0x2fb/0x770 [ 199.533473][ C0] ____fput+0x15/0x20 [ 199.533476][ C0] task_work_run+0x127/0x190 [ 199.533479][ C0] exit_to_user_mode_loop+0xcb/0xe0 [ 199.533482][ C0] exit_to_user_mode_prepare+0x76/0xa0 [ 199.533485][ C0] syscall_exit_to_user_mode+0x1d/0x40 [ 199.533487][ C0] do_syscall_64+0x3d/0x40 [ 199.533490][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.533493][ C0] RIP: 0033:0x7f6a709e3679 [ 199.533501][ 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 [ 199.533505][ C0] RSP: 002b:00007f6a70848028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 199.533512][ C0] RAX: 00000000000203a0 RBX: 00007f6a70c4efa0 RCX: 00007f6a709e3679 [ 199.533515][ C0] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 199.533519][ C0] RBP: 00007f6a70a76ee0 R08: 0000000000000000 R09: 0000000000000000 [ 199.533523][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 199.533527][ C0] R13: 00007f6a70c4f038 R14: 00007f6a70c4efa0 R15: 00007fffae602758