Warning: Permanently added '10.128.0.246' (ED25519) to the list of known hosts. 2026/02/21 06:37:36 parsed 1 programs [ 48.786995][ T24] kauditd_printk_skb: 31 callbacks suppressed [ 48.787007][ T24] audit: type=1400 audit(1771655857.230:105): avc: denied { unlink } for pid=416 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" [ 48.851507][ T416] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 49.543568][ T24] audit: type=1400 audit(1771655857.980:106): avc: denied { create } for pid=441 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 49.599429][ T24] audit: type=1401 audit(1771655858.040:107): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 49.639193][ T448] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.646480][ T448] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.653909][ T448] device bridge_slave_0 entered promiscuous mode [ 49.660652][ T448] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.667967][ T448] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.675390][ T448] device bridge_slave_1 entered promiscuous mode [ 49.706324][ T448] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.713397][ T448] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.720705][ T448] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.727738][ T448] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.743353][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.750635][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.758312][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.766508][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.776120][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.784347][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.791355][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.800011][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.808470][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.815509][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.827717][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.836753][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.849635][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.861864][ T448] device veth0_vlan entered promiscuous mode [ 49.869738][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.877969][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.885752][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.897707][ T448] device veth1_macvtap entered promiscuous mode [ 49.905070][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.915784][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.925617][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/02/21 06:37:38 executed programs: 0 [ 50.421049][ T24] audit: type=1400 audit(1771655858.860:108): avc: denied { write } for pid=408 comm="syz-execprog" path="pipe:[15050]" dev="pipefs" ino=15050 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 50.468401][ T480] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.475585][ T480] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.482858][ T480] device bridge_slave_0 entered promiscuous mode [ 50.490432][ T480] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.497637][ T480] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.505148][ T480] device bridge_slave_1 entered promiscuous mode [ 50.540893][ T480] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.547939][ T480] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.555204][ T480] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.562218][ T480] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.578230][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.585756][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.592860][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.601731][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.610059][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.617104][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.630704][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.639215][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.647361][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.654399][ T382] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.674456][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.682574][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.690573][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.699588][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.708618][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 50.716980][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.732762][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 50.741102][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.749382][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.757594][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.766899][ T480] device veth0_vlan entered promiscuous mode [ 50.777270][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 50.785391][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.794507][ T480] device veth1_macvtap entered promiscuous mode [ 50.802694][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 50.810399][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 50.818624][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.827793][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.836048][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.856987][ T24] audit: type=1400 audit(1771655859.300:109): avc: denied { create } for pid=487 comm="syz.2.17" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 50.876294][ T24] audit: type=1400 audit(1771655859.300:110): avc: denied { write } for pid=487 comm="syz.2.17" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 50.908361][ T24] audit: type=1400 audit(1771655859.350:111): avc: denied { read } for pid=487 comm="syz.2.17" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 50.927399][ T24] audit: type=1400 audit(1771655859.350:112): avc: denied { setopt } for pid=487 comm="syz.2.17" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 150.993633][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 151.000275][ C1] rcu: 1-...!: (10000 ticks this GP) idle=66e/1/0x4000000000000000 softirq=2517/2517 fqs=0 last_accelerate: 9e66/c576 dyntick_enabled: 1 [ 151.014346][ C1] (t=10000 jiffies g=1593 q=91) [ 151.019282][ C1] rcu: rcu_preempt kthread starved for 10000 jiffies! g1593 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 151.030536][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 151.040490][ C1] rcu: RCU grace-period kthread stack dump: [ 151.046361][ C1] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 151.055622][ C1] Call Trace: [ 151.058922][ C1] __schedule+0xb53/0x1320 [ 151.063534][ C1] ? __sched_text_start+0x8/0x8 [ 151.068378][ C1] ? __mod_timer+0x7da/0xb50 [ 151.072953][ C1] schedule+0x13c/0x1d0 [ 151.077134][ C1] schedule_timeout+0x159/0x330 [ 151.081980][ C1] ? console_conditional_schedule+0x10/0x10 [ 151.087865][ C1] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 151.093446][ C1] ? run_local_timers+0x160/0x160 [ 151.098485][ C1] ? prepare_to_swait_event+0x320/0x340 [ 151.104121][ C1] rcu_gp_kthread+0x1045/0x2730 [ 151.108988][ C1] ? rcu_barrier_callback+0x50/0x50 [ 151.114186][ C1] ? __kasan_check_read+0x11/0x20 [ 151.119303][ C1] ? __kthread_parkme+0xb9/0x1c0 [ 151.124231][ C1] kthread+0x346/0x3d0 [ 151.128308][ C1] ? rcu_barrier_callback+0x50/0x50 [ 151.133488][ C1] ? kthread_blkcg+0xd0/0xd0 [ 151.138062][ C1] ret_from_fork+0x1f/0x30 [ 151.142478][ C1] NMI backtrace for cpu 1 [ 151.146789][ C1] CPU: 1 PID: 491 Comm: syz.2.18 Not tainted syzkaller #0 [ 151.153986][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 151.164152][ C1] Call Trace: [ 151.167451][ C1] [ 151.170309][ C1] __dump_stack+0x21/0x24 [ 151.174660][ C1] dump_stack_lvl+0x1a7/0x208 [ 151.179477][ C1] ? show_regs_print_info+0x18/0x18 [ 151.184677][ C1] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 151.190269][ C1] ? _raw_spin_lock+0xf0/0xf0 [ 151.195333][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 151.201613][ C1] dump_stack+0x15/0x1c [ 151.206096][ C1] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 151.212087][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 151.217994][ C1] rcu_dump_cpu_stacks+0x19c/0x2c0 [ 151.223455][ C1] rcu_sched_clock_irq+0xf88/0x1880 [ 151.228851][ C1] ? rcutree_dead_cpu+0x310/0x310 [ 151.233870][ C1] ? hrtimer_run_queues+0x166/0x430 [ 151.239112][ C1] update_process_times+0x198/0x200 [ 151.244666][ C1] tick_sched_timer+0x17c/0x240 [ 151.249633][ C1] ? tick_setup_sched_timer+0x450/0x450 [ 151.255176][ C1] __hrtimer_run_queues+0x380/0x970 [ 151.260358][ C1] ? process_backlog+0x5e0/0x600 [ 151.265280][ C1] ? hrtimer_interrupt+0xdc0/0xdc0 [ 151.270377][ C1] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 151.276431][ C1] hrtimer_interrupt+0x3a6/0xdc0 [ 151.281357][ C1] ? do_sync_core+0x22/0x30 [ 151.285846][ C1] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 151.291718][ C1] asm_call_irq_on_stack+0xf/0x20 [ 151.296731][ C1] [ 151.299651][ C1] sysvec_apic_timer_interrupt+0x85/0xe0 [ 151.305280][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 151.311349][ C1] RIP: 0010:tipc_sk_lookup+0xfb/0x5f0 [ 151.316705][ C1] Code: 74 08 4c 89 f7 e8 b5 96 37 fd 49 8b 1e e8 dd ff ea fc e8 88 ff ea fc 48 8d bb c8 10 00 00 48 89 f8 48 c1 e8 03 42 80 3c 20 00 <74> 05 e8 8e 96 37 fd 48 8b 93 c8 10 00 00 4c 8d bb de 10 00 00 8b [ 151.336478][ C1] RSP: 0018:ffffc90000d869a0 EFLAGS: 00000246 [ 151.342561][ C1] RAX: 1ffff11022e2d219 RBX: ffff888117168000 RCX: dffffc0000000000 [ 151.350525][ C1] RDX: 0000000000000000 RSI: 00000000343ad66e RDI: ffff8881171690c8 [ 151.358582][ C1] RBP: ffffc90000d86a90 R08: 0000000000000003 R09: 0000000000000004 [ 151.366549][ C1] R10: dffffc0000000000 R11: fffff520001b0d44 R12: dffffc0000000000 [ 151.374522][ C1] R13: ffff888115b26d01 R14: ffff888116e3cd10 R15: 00000000343ad66e [ 151.382505][ C1] ? __kasan_check_write+0x14/0x20 [ 151.387635][ C1] ? _raw_spin_lock_bh+0x94/0xf0 [ 151.392649][ C1] ? tipc_sk_rcv+0x1dc0/0x1dc0 [ 151.397399][ C1] tipc_sk_rcv+0x350/0x1dc0 [ 151.401900][ C1] ? __stack_depot_save+0x47d/0x4c0 [ 151.407312][ C1] ? kasan_set_track+0x5b/0x70 [ 151.412065][ C1] ? kasan_set_track+0x4a/0x70 [ 151.416822][ C1] ? ____kasan_slab_free+0x125/0x160 [ 151.422109][ C1] ? __kasan_slab_free+0x11/0x20 [ 151.427129][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 151.432673][ C1] ? kmem_cache_free+0x100/0x2d0 [ 151.437606][ C1] ? kfree_skbmem+0x10c/0x180 [ 151.442438][ C1] ? kfree_skb+0xc1/0x2f0 [ 151.446898][ C1] ? tipc_msg_reverse+0x698/0x900 [ 151.451928][ C1] ? tipc_node_xmit+0x26c/0xd80 [ 151.456768][ C1] ? tipc_sk_filter_rcv+0x15e5/0x3910 [ 151.462372][ C1] ? tipc_sk_rcv+0x742/0x1dc0 [ 151.467274][ C1] ? tipc_node_xmit+0x26c/0xd80 [ 151.472131][ C1] ? exit_to_user_mode_prepare+0x76/0xa0 [ 151.477922][ C1] ? syscall_exit_to_user_mode+0x1d/0x40 [ 151.483544][ C1] ? do_syscall_64+0x3d/0x40 [ 151.488244][ C1] ? __skb_queue_purge+0x170/0x170 [ 151.493358][ C1] tipc_node_xmit+0x26c/0xd80 [ 151.498036][ C1] ? kmem_cache_free+0x100/0x2d0 [ 151.502980][ C1] ? ____kasan_slab_free+0x130/0x160 [ 151.508268][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 151.513804][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 151.519478][ C1] ? kfree_skbmem+0x10c/0x180 [ 151.524171][ C1] ? kmem_cache_free+0x100/0x2d0 [ 151.529252][ C1] tipc_node_xmit_skb+0xf7/0x150 [ 151.534196][ C1] ? kfree_skb+0xc1/0x2f0 [ 151.538550][ C1] ? __skb_queue_purge+0x170/0x170 [ 151.543666][ C1] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 151.549033][ C1] tipc_sk_rcv+0x1c46/0x1dc0 [ 151.553616][ C1] ? __switch_to+0x508/0x1020 [ 151.558296][ C1] ? set_next_entity+0xb4/0x5d0 [ 151.563132][ C1] ? compat_start_thread+0x80/0x80 [ 151.568247][ C1] ? __skb_queue_purge+0x170/0x170 [ 151.573346][ C1] tipc_node_xmit+0x26c/0xd80 [ 151.578081][ C1] ? is_bpf_text_address+0x177/0x190 [ 151.583352][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 151.588881][ C1] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 151.594332][ C1] ? _raw_spin_lock+0xf0/0xf0 [ 151.599105][ C1] tipc_sk_filter_rcv+0x15e5/0x3910 [ 151.604312][ C1] ? tipc_sk_dump+0xfc0/0xfc0 [ 151.608985][ C1] ? __kasan_check_write+0x14/0x20 [ 151.614087][ C1] ? _raw_spin_lock_bh+0x94/0xf0 [ 151.619109][ C1] tipc_sk_rcv+0x742/0x1dc0 [ 151.623620][ C1] ? kfree_skbmem+0x10c/0x180 [ 151.628297][ C1] ? __skb_queue_purge+0x170/0x170 [ 151.633389][ C1] ? tipc_sk_filter_rcv+0x30d7/0x3910 [ 151.638746][ C1] ? ____fput+0x15/0x20 [ 151.642886][ C1] ? task_work_run+0x127/0x190 [ 151.647640][ C1] tipc_node_xmit+0x26c/0xd80 [ 151.652318][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 151.657897][ C1] tipc_node_distr_xmit+0x2a3/0x3b0 [ 151.663105][ C1] ? tipc_node_xmit_skb+0x150/0x150 [ 151.668342][ C1] tipc_sk_backlog_rcv+0x17d/0x210 [ 151.673452][ C1] ? tipc_sk_timeout+0x990/0x990 [ 151.678373][ C1] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 151.683923][ C1] __release_sock+0x146/0x360 [ 151.688628][ C1] ? _raw_write_lock_irq+0xf0/0xf0 [ 151.693771][ C1] release_sock+0x60/0x1b0 [ 151.698189][ C1] tipc_release+0xbd4/0x1490 [ 151.702767][ C1] ? down_read_killable+0xe0/0xe0 [ 151.707965][ C1] sock_close+0xe0/0x270 [ 151.712218][ C1] ? sock_mmap+0xa0/0xa0 [ 151.716541][ C1] __fput+0x2fb/0x770 [ 151.720519][ C1] ____fput+0x15/0x20 [ 151.724491][ C1] task_work_run+0x127/0x190 [ 151.729186][ C1] exit_to_user_mode_loop+0xcb/0xe0 [ 151.734386][ C1] exit_to_user_mode_prepare+0x76/0xa0 [ 151.739840][ C1] syscall_exit_to_user_mode+0x1d/0x40 [ 151.745293][ C1] do_syscall_64+0x3d/0x40 [ 151.749706][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 151.755580][ C1] RIP: 0033:0x7f25da97b679 [ 151.760084][ 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 [ 151.779762][ C1] RSP: 002b:00007f25da7e0028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 151.788174][ C1] RAX: 00000000000203a0 RBX: 00007f25dabe6fa0 RCX: 00007f25da97b679 [ 151.796221][ C1] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 151.804290][ C1] RBP: 00007f25daa0eee0 R08: 0000000000000000 R09: 0000000000000000 [ 151.812254][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 151.820205][ C1] R13: 00007f25dabe7038 R14: 00007f25dabe6fa0 R15: 00007fff4e84ca68 [ 199.018743][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.2.18:490] [ 199.026751][ C0] Modules linked in: [ 199.030656][ C0] CPU: 0 PID: 490 Comm: syz.2.18 Not tainted syzkaller #0 [ 199.037756][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 199.047918][ C0] RIP: 0010:kvm_wait+0xce/0x130 [ 199.052766][ C0] 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 [ 199.072383][ C0] RSP: 0018:ffffc90000d279a0 EFLAGS: 00000246 [ 199.078480][ C0] RAX: 0000000000000003 RBX: ffff888115b26d88 RCX: ffffffff814bed9a [ 199.086500][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff888115b26d88 [ 199.094655][ C0] RBP: ffffc90000d27a50 R08: ffff888115b26d88 R09: 1ffff11022b64db1 [ 199.102665][ C0] R10: dffffc0000000000 R11: ffffed1022b64db2 R12: 0000000000000246 [ 199.110837][ C0] R13: 1ffff11022b64db1 R14: dffffc0000000000 R15: 1ffff920001a4f38 [ 199.118822][ C0] FS: 000055557586f500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 199.127751][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.134343][ C0] CR2: 00007f25da9c8dc0 CR3: 0000000117d65000 CR4: 00000000003506b0 [ 199.142318][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.150285][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.158249][ C0] Call Trace: [ 199.161543][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 199.167699][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 199.172810][ C0] __pv_queued_spin_lock_slowpath+0x714/0xb70 [ 199.178896][ C0] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 199.185311][ C0] ? kasan_save_stack+0x49/0x60 [ 199.190165][ C0] ? __kasan_record_aux_stack+0xd2/0x100 [ 199.195793][ C0] ? kasan_record_aux_stack+0xe/0x10 [ 199.201160][ C0] ? task_work_add+0x27/0x1e0 [ 199.205831][ C0] ? fput+0x1a/0x20 [ 199.209638][ C0] ? filp_close+0x105/0x150 [ 199.214167][ C0] ? __close_range+0x1d1/0x440 [ 199.218924][ C0] ? __x64_sys_close_range+0x7a/0x90 [ 199.224262][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 199.229714][ C0] _raw_spin_lock_bh+0xe4/0xf0 [ 199.234483][ C0] ? _raw_spin_lock_irq+0xf0/0xf0 [ 199.239505][ C0] lock_sock_nested+0x90/0x2a0 [ 199.244384][ C0] ? sock_init_data+0xc0/0xc0 [ 199.249084][ C0] ? fsnotify+0x19ab/0x1a70 [ 199.253584][ C0] tipc_release+0x56/0x1490 [ 199.258102][ C0] ? down_read_killable+0xe0/0xe0 [ 199.263220][ C0] sock_close+0xe0/0x270 [ 199.267467][ C0] ? sock_mmap+0xa0/0xa0 [ 199.271713][ C0] __fput+0x2fb/0x770 [ 199.275697][ C0] ____fput+0x15/0x20 [ 199.279682][ C0] task_work_run+0x127/0x190 [ 199.284272][ C0] exit_to_user_mode_loop+0xcb/0xe0 [ 199.289468][ C0] exit_to_user_mode_prepare+0x76/0xa0 [ 199.295009][ C0] syscall_exit_to_user_mode+0x1d/0x40 [ 199.300469][ C0] do_syscall_64+0x3d/0x40 [ 199.305018][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.310939][ C0] RIP: 0033:0x7f25da97b679 [ 199.315369][ 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 [ 199.335088][ C0] RSP: 002b:00007fff4e84cbc8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 199.343535][ C0] RAX: 0000000000000000 RBX: 00007f25dabe8da0 RCX: 00007f25da97b679 [ 199.351507][ C0] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 199.359477][ C0] RBP: 00007f25dabe8da0 R08: 0000000000000006 R09: 0000000000000000 [ 199.367451][ C0] R10: 00007f25dabe8cb0 R11: 0000000000000246 R12: 000000000000ca2d [ 199.375441][ C0] R13: 00007f25dabe709c R14: 000000000000c751 R15: 00007f25dabe7090 [ 199.383430][ C0] Sending NMI from CPU 0 to CPUs 1: [ 199.389366][ C1] NMI backtrace for cpu 1 [ 199.389371][ C1] CPU: 1 PID: 491 Comm: syz.2.18 Not tainted syzkaller #0 [ 199.389376][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 199.389379][ C1] RIP: 0010:bcmp+0x33/0xd0 [ 199.389387][ C1] Code: 55 41 54 53 50 48 85 d2 0f 84 a5 00 00 00 48 bb 00 00 00 00 00 fc ff df 45 31 f6 4a 8d 04 37 48 89 c1 48 c1 e9 03 0f b6 0c 19 <84> c9 75 2d 42 0f b6 04 37 4a 8d 0c 36 49 89 c8 49 c1 e8 03 45 0f [ 199.389392][ C1] RSP: 0018:ffffc90000d86960 EFLAGS: 00000a03 [ 199.389400][ C1] RAX: ffff888115b2705c RBX: dffffc0000000000 RCX: 0000000000000000 [ 199.389404][ C1] RDX: 0000000000000004 RSI: ffffc90000d86a20 RDI: ffff888115b2705c [ 199.389408][ C1] RBP: ffffc90000d86990 R08: 0000000000000003 R09: 0000000000000004 [ 199.389412][ C1] R10: dffffc0000000000 R11: fffff520001b0d44 R12: 0000000000000004 [ 199.389416][ C1] R13: ffff888115b270e8 R14: 0000000000000000 R15: fffffffffffffc18 [ 199.389421][ C1] FS: 00007f25da7e06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 199.389425][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.389429][ C1] CR2: 00007f25d4000020 CR3: 0000000117d65000 CR4: 00000000003506a0 [ 199.389433][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.389437][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.389439][ C1] Call Trace: [ 199.389442][ C1] tipc_sk_lookup+0x2f3/0x5f0 [ 199.389445][ C1] ? tipc_sk_rcv+0x1dc0/0x1dc0 [ 199.389448][ C1] ? tipc_sk_rcv+0x1976/0x1dc0 [ 199.389451][ C1] tipc_sk_rcv+0x350/0x1dc0 [ 199.389454][ C1] ? __stack_depot_save+0x47d/0x4c0 [ 199.389457][ C1] ? kasan_set_track+0x5b/0x70 [ 199.389460][ C1] ? kasan_set_track+0x4a/0x70 [ 199.389463][ C1] ? ____kasan_slab_free+0x125/0x160 [ 199.389466][ C1] ? __kasan_slab_free+0x11/0x20 [ 199.389469][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 199.389472][ C1] ? kmem_cache_free+0x100/0x2d0 [ 199.389475][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.389477][ C1] ? kfree_skb+0xc1/0x2f0 [ 199.389480][ C1] ? tipc_msg_reverse+0x698/0x900 [ 199.389483][ C1] ? tipc_node_xmit+0x26c/0xd80 [ 199.389486][ C1] ? tipc_sk_filter_rcv+0x15e5/0x3910 [ 199.389489][ C1] ? tipc_sk_rcv+0x742/0x1dc0 [ 199.389492][ C1] ? tipc_node_xmit+0x26c/0xd80 [ 199.389495][ C1] ? exit_to_user_mode_prepare+0x76/0xa0 [ 199.389499][ C1] ? syscall_exit_to_user_mode+0x1d/0x40 [ 199.389501][ C1] ? do_syscall_64+0x3d/0x40 [ 199.389504][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.389507][ C1] tipc_node_xmit+0x26c/0xd80 [ 199.389511][ C1] ? kmem_cache_free+0x100/0x2d0 [ 199.389514][ C1] ? ____kasan_slab_free+0x130/0x160 [ 199.389517][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.389520][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 199.389523][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.389526][ C1] ? kmem_cache_free+0x100/0x2d0 [ 199.389529][ C1] tipc_node_xmit_skb+0xf7/0x150 [ 199.389532][ C1] ? kfree_skb+0xc1/0x2f0 [ 199.389535][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.389538][ C1] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 199.389540][ C1] tipc_sk_rcv+0x1c46/0x1dc0 [ 199.389543][ C1] ? __switch_to+0x508/0x1020 [ 199.389546][ C1] ? set_next_entity+0xb4/0x5d0 [ 199.389549][ C1] ? compat_start_thread+0x80/0x80 [ 199.389552][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.389555][ C1] tipc_node_xmit+0x26c/0xd80 [ 199.389558][ C1] ? is_bpf_text_address+0x177/0x190 [ 199.389561][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.389565][ C1] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 199.389567][ C1] ? _raw_spin_lock+0xf0/0xf0 [ 199.389570][ C1] tipc_sk_filter_rcv+0x15e5/0x3910 [ 199.389573][ C1] ? tipc_sk_dump+0xfc0/0xfc0 [ 199.389576][ C1] ? __kasan_check_write+0x14/0x20 [ 199.389579][ C1] ? _raw_spin_lock_bh+0x94/0xf0 [ 199.389582][ C1] tipc_sk_rcv+0x742/0x1dc0 [ 199.389585][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.389588][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.389591][ C1] ? tipc_sk_filter_rcv+0x30d7/0x3910 [ 199.389594][ C1] ? ____fput+0x15/0x20 [ 199.389597][ C1] ? task_work_run+0x127/0x190 [ 199.389599][ C1] tipc_node_xmit+0x26c/0xd80 [ 199.389603][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.389606][ C1] tipc_node_distr_xmit+0x2a3/0x3b0 [ 199.389616][ C1] ? tipc_node_xmit_skb+0x150/0x150 [ 199.389619][ C1] tipc_sk_backlog_rcv+0x17d/0x210 [ 199.389622][ C1] ? tipc_sk_timeout+0x990/0x990 [ 199.389625][ C1] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 199.389628][ C1] __release_sock+0x146/0x360 [ 199.389631][ C1] ? _raw_write_lock_irq+0xf0/0xf0 [ 199.389633][ C1] release_sock+0x60/0x1b0 [ 199.389636][ C1] tipc_release+0xbd4/0x1490 [ 199.389638][ C1] ? down_read_killable+0xe0/0xe0 [ 199.389641][ C1] sock_close+0xe0/0x270 [ 199.389643][ C1] ? sock_mmap+0xa0/0xa0 [ 199.389645][ C1] __fput+0x2fb/0x770 [ 199.389647][ C1] ____fput+0x15/0x20 [ 199.389650][ C1] task_work_run+0x127/0x190 [ 199.389653][ C1] exit_to_user_mode_loop+0xcb/0xe0 [ 199.389655][ C1] exit_to_user_mode_prepare+0x76/0xa0 [ 199.389658][ C1] syscall_exit_to_user_mode+0x1d/0x40 [ 199.389661][ C1] do_syscall_64+0x3d/0x40 [ 199.389664][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.389666][ C1] RIP: 0033:0x7f25da97b679 [ 199.389674][ 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 [ 199.389677][ C1] RSP: 002b:00007f25da7e0028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 199.389684][ C1] RAX: 00000000000203a0 RBX: 00007f25dabe6fa0 RCX: 00007f25da97b679 [ 199.389687][ C1] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 199.389691][ C1] RBP: 00007f25daa0eee0 R08: 0000000000000000 R09: 0000000000000000 [ 199.389695][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 199.389698][ C1] R13: 00007f25dabe7038 R14: 00007f25dabe6fa0 R15: 00007fff4e84ca68