Warning: Permanently added '10.128.1.128' (ED25519) to the list of known hosts. 2026/02/24 10:15:18 ignoring optional flag "type"="gce" 2026/02/24 10:15:18 parsed 1 programs [ 40.464904][ T30] kauditd_printk_skb: 18 callbacks suppressed [ 40.464920][ T30] audit: type=1400 audit(1771928118.743:92): avc: denied { unlink } for pid=328 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" 2026/02/24 10:15:18 executed programs: 0 [ 40.571491][ T328] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 40.631305][ T334] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.638985][ T334] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.646751][ T334] device bridge_slave_0 entered promiscuous mode [ 40.653670][ T334] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.660860][ T334] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.668705][ T334] device bridge_slave_1 entered promiscuous mode [ 40.713410][ T30] audit: type=1400 audit(1771928118.983:93): avc: denied { create } for pid=334 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 40.734376][ T30] audit: type=1400 audit(1771928118.983:94): avc: denied { write } for pid=334 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 40.751092][ T334] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.755599][ T30] audit: type=1400 audit(1771928118.983:95): avc: denied { read } for pid=334 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 40.762029][ T334] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.790777][ T334] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.798013][ T334] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.816420][ T44] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.823791][ T44] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.831556][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.839332][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.848680][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.857201][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.864495][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.873635][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.881909][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.889078][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.901165][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.910529][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.924519][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.936567][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.944888][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.952469][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.960879][ T334] device veth0_vlan entered promiscuous mode [ 40.970915][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.980579][ T334] device veth1_macvtap entered promiscuous mode [ 40.990043][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.000272][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.021700][ T30] audit: type=1400 audit(1771928119.293:96): avc: denied { create } for pid=345 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 41.043415][ T30] audit: type=1400 audit(1771928119.293:97): avc: denied { write } for pid=345 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 41.063695][ T30] audit: type=1400 audit(1771928119.313:98): avc: denied { setopt } for pid=345 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 2026/02/24 10:15:23 executed programs: 559 [ 145.794272][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 145.800964][ C1] rcu: 1-...!: (1 GPs behind) idle=b9f/1/0x4000000000000000 softirq=6877/6883 fqs=0 last_accelerate: 9c55/c365 dyntick_enabled: 1 [ 145.814578][ C1] (t=10000 jiffies g=4461 q=180) [ 145.819741][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 9999 jiffies! g4461 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 145.831908][ C1] rcu: Possible timer handling issue on cpu=0 timer-softirq=451 [ 145.839860][ C1] rcu: rcu_preempt kthread starved for 10000 jiffies! g4461 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 145.851569][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 145.861720][ C1] rcu: RCU grace-period kthread stack dump: [ 145.867809][ C1] task:rcu_preempt state:I stack:28696 pid: 14 ppid: 2 flags:0x00004000 [ 145.877155][ C1] Call Trace: [ 145.880459][ C1] [ 145.883579][ C1] __schedule+0xb6e/0x14c0 [ 145.888034][ C1] ? release_firmware_map_entry+0x190/0x190 [ 145.894042][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 145.900103][ C1] ? __mod_timer+0x7da/0xb50 [ 145.904752][ C1] schedule+0x11e/0x1e0 [ 145.908923][ C1] schedule_timeout+0x159/0x340 [ 145.913923][ C1] ? console_conditional_schedule+0x30/0x30 [ 145.919839][ C1] ? update_process_times+0x200/0x200 [ 145.925459][ C1] ? prepare_to_swait_event+0x308/0x320 [ 145.931025][ C1] rcu_gp_fqs_loop+0x2ae/0xf80 [ 145.935890][ C1] ? __kasan_check_write+0x14/0x20 [ 145.941024][ C1] ? debug_smp_processor_id+0x17/0x20 [ 145.946509][ C1] ? __note_gp_changes+0x4e2/0x9e0 [ 145.951668][ C1] ? rcu_gp_init+0xc00/0xc00 [ 145.956292][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 145.961807][ C1] ? rcu_gp_init+0x9a7/0xc00 [ 145.966444][ C1] rcu_gp_kthread+0x9b/0x360 [ 145.971251][ C1] ? _raw_spin_lock+0xf0/0xf0 [ 145.976213][ C1] ? wake_nocb_gp+0x1d0/0x1d0 [ 145.981412][ C1] ? __kasan_check_read+0x11/0x20 [ 145.986546][ C1] ? __kthread_parkme+0xac/0x200 [ 145.991671][ C1] kthread+0x411/0x500 [ 145.995750][ C1] ? wake_nocb_gp+0x1d0/0x1d0 [ 146.000441][ C1] ? kthread_blkcg+0xd0/0xd0 [ 146.005036][ C1] ret_from_fork+0x1f/0x30 [ 146.009475][ C1] [ 146.012585][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 146.018901][ C1] Sending NMI from CPU 1 to CPUs 0: [ 146.024159][ C0] NMI backtrace for cpu 0 [ 146.024178][ C0] CPU: 0 PID: 2076 Comm: syz-executor.0 Not tainted syzkaller #0 [ 146.024196][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 146.024213][ C0] RIP: 0010:kvm_wait+0x105/0x150 [ 146.024239][ C0] Code: 1d d6 03 f4 eb 87 fa 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 3f 0f b6 07 40 38 f0 75 10 66 90 0f 00 2d 1d 1d d6 03 fb f4 5e ff ff ff fb e9 58 ff ff ff e8 3b 32 7d 03 89 f9 80 e1 07 38 [ 146.024253][ C0] RSP: 0018:ffffc90000a076c0 EFLAGS: 00000246 [ 146.024269][ C0] RAX: 0000000000000003 RBX: ffff88810ee0c088 RCX: ffffffff81500909 [ 146.024282][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88810ee0c088 [ 146.024293][ C0] RBP: ffffc90000a07750 R08: ffff88810ee0c088 R09: 1ffff11021dc1811 [ 146.024305][ C0] R10: dffffc0000000000 R11: ffffed1021dc1812 R12: 1ffff1103ee00001 [ 146.024318][ C0] R13: ffff8881f7038ad4 R14: dffffc0000000000 R15: 1ffff92000140ed8 [ 146.024331][ C0] FS: 00007fcff76e56c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 146.024346][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 146.024358][ C0] CR2: 00007fcff76c4d58 CR3: 000000011c169000 CR4: 00000000003506b0 [ 146.024373][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 146.024390][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 146.024401][ C0] Call Trace: [ 146.024407][ C0] [ 146.024414][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 146.024437][ C0] ? __pv_queued_spin_lock_slowpath+0x5b9/0x9c0 [ 146.024471][ C0] __pv_queued_spin_lock_slowpath+0x60f/0x9c0 [ 146.024491][ C0] ? __pv_queued_spin_unlock_slowpath+0x300/0x300 [ 146.024510][ C0] ? avc_has_perm+0x163/0x250 [ 146.024528][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 146.024547][ C0] _raw_spin_lock_bh+0xe4/0xf0 [ 146.024567][ C0] ? _raw_spin_lock_irq+0xf0/0xf0 [ 146.024586][ C0] ? selinux_socket_sendmsg+0x22f/0x340 [ 146.024607][ C0] lock_sock_nested+0x95/0x2a0 [ 146.024627][ C0] ? sock_init_data+0xc0/0xc0 [ 146.024643][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 146.024662][ C0] ? _raw_spin_unlock_bh+0x51/0x60 [ 146.024681][ C0] tipc_sendstream+0x47/0x70 [ 146.024698][ C0] ? tipc_getsockopt+0x4d0/0x4d0 [ 146.024714][ C0] ____sys_sendmsg+0x5b7/0x8f0 [ 146.024735][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 146.024756][ C0] ? import_iovec+0x7c/0xb0 [ 146.024775][ C0] ___sys_sendmsg+0x236/0x2e0 [ 146.024795][ C0] ? __sys_sendmsg+0x280/0x280 [ 146.024816][ C0] ? memcpy+0x56/0x70 [ 146.024836][ C0] ? __fdget+0x1a1/0x230 [ 146.024856][ C0] __x64_sys_sendmsg+0x206/0x2f0 [ 146.024875][ C0] ? ___sys_sendmsg+0x2e0/0x2e0 [ 146.024895][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 146.024918][ C0] x64_sys_call+0x4b/0x9a0 [ 146.024935][ C0] do_syscall_64+0x4c/0xa0 [ 146.024954][ C0] ? clear_bhb_loop+0x50/0xa0 [ 146.024969][ C0] ? clear_bhb_loop+0x50/0xa0 [ 146.024983][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 146.025003][ C0] RIP: 0033:0x7fcff7b543f9 [ 146.025027][ 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 d0 ff ff ff f7 d8 64 89 01 48 [ 146.025040][ C0] RSP: 002b:00007fcff76e50b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 146.025058][ C0] RAX: ffffffffffffffda RBX: 00007fcff7c91f80 RCX: 00007fcff7b543f9 [ 146.025070][ C0] RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000004 [ 146.025079][ C0] RBP: 00007fcff7bb5498 R08: 0000000000000000 R09: 0000000000000000 [ 146.025090][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 146.025099][ C0] R13: 000000000000000b R14: 00007fcff7c91f80 R15: 00007fffd9bee578 [ 146.025113][ C0] [ 146.025287][ C1] NMI backtrace for cpu 1 [ 146.401838][ C1] CPU: 1 PID: 2077 Comm: syz-executor.0 Not tainted syzkaller #0 [ 146.409755][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 146.419962][ C1] Call Trace: [ 146.423261][ C1] [ 146.426402][ C1] __dump_stack+0x21/0x30 [ 146.430757][ C1] dump_stack_lvl+0x110/0x170 [ 146.436270][ C1] ? show_regs_print_info+0x20/0x20 [ 146.441606][ C1] ? resched_curr+0xa0/0x320 [ 146.446301][ C1] ? wake_up_process+0x20/0x20 [ 146.451090][ C1] dump_stack+0x15/0x20 [ 146.455257][ C1] nmi_cpu_backtrace+0x2af/0x2c0 [ 146.460410][ C1] ? nmi_trigger_cpumask_backtrace+0x240/0x240 [ 146.466771][ C1] ? __kasan_check_write+0x14/0x20 [ 146.472071][ C1] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 146.477741][ C1] ? _raw_spin_lock+0xf0/0xf0 [ 146.482557][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 146.489114][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 146.495314][ C1] nmi_trigger_cpumask_backtrace+0x138/0x240 [ 146.501617][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 146.507856][ C1] rcu_dump_cpu_stacks+0x1c7/0x300 [ 146.513088][ C1] print_cpu_stall+0x320/0x600 [ 146.519285][ C1] rcu_sched_clock_irq+0x759/0x12c0 [ 146.524717][ C1] ? rcu_boost_kthread_setaffinity+0x320/0x320 [ 146.531118][ C1] ? raise_softirq+0x7d/0xf0 [ 146.535724][ C1] ? __raise_softirq_irqoff+0xd0/0xd0 [ 146.541125][ C1] ? hrtimer_run_queues+0x166/0x430 [ 146.546740][ C1] update_process_times+0x198/0x200 [ 146.552104][ C1] tick_sched_timer+0x17c/0x240 [ 146.557246][ C1] ? tick_setup_sched_timer+0x450/0x450 [ 146.562906][ C1] __hrtimer_run_queues+0x3b9/0x9f0 [ 146.568114][ C1] ? __kasan_check_write+0x14/0x20 [ 146.573356][ C1] ? hrtimer_interrupt+0x8c0/0x8c0 [ 146.578475][ C1] ? ktime_get_update_offsets_now+0x2fa/0x310 [ 146.584648][ C1] hrtimer_interrupt+0x3c7/0x8c0 [ 146.589698][ C1] __sysvec_apic_timer_interrupt+0xfa/0x3e0 [ 146.595743][ C1] sysvec_apic_timer_interrupt+0xa4/0xc0 [ 146.601490][ C1] [ 146.604428][ C1] [ 146.607555][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 146.613565][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x90 [ 146.620446][ C1] Code: 44 02 08 03 00 00 00 4a 89 7c 02 10 4a 89 74 02 18 4a 89 44 02 20 48 ff c1 48 89 0a 5d c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 <55> 48 89 e5 48 8b 45 08 65 48 8b 0d c0 9c 98 7e 65 8b 15 c1 9c 98 [ 146.640325][ C1] RSP: 0018:ffffc90000b567b8 EFLAGS: 00000246 [ 146.646520][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 146.654514][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 146.662489][ C1] RBP: ffffc90000b56a50 R08: ffff88810ee0c08b R09: 1ffff11021dc1811 [ 146.670715][ C1] R10: dffffc0000000000 R11: ffffed1021dc1812 R12: ffff88810ee0c000 [ 146.678982][ C1] R13: dffffc0000000000 R14: ffff88810ee0c000 R15: 00000000a8cf319a [ 146.687268][ C1] ? tipc_sk_rcv+0x3dd/0x2c20 [ 146.692001][ C1] ? stack_trace_save+0xa6/0xf0 [ 146.696891][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 146.702740][ C1] ? kasan_set_track+0x5b/0x70 [ 146.707520][ C1] ? kasan_set_free_info+0x23/0x40 [ 146.712741][ C1] ? tipc_sk_rcv+0x1b82/0x2c20 [ 146.717518][ C1] ? tipc_sk_proto_rcv+0xa65/0x1560 [ 146.722751][ C1] ? tipc_sk_backlog_rcv+0x17d/0x210 [ 146.728050][ C1] ? __release_sock+0x17c/0x3f0 [ 146.732912][ C1] ? sock_setsockopt+0x1d7a/0x2490 [ 146.738155][ C1] ? __skb_queue_purge+0x170/0x170 [ 146.743287][ C1] tipc_node_xmit+0x26c/0xd80 [ 146.747968][ C1] ? debug_smp_processor_id+0x17/0x20 [ 146.753348][ C1] ? kasan_quarantine_put+0x34/0x190 [ 146.758652][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 146.764339][ C1] ? ____kasan_slab_free+0x130/0x160 [ 146.769712][ C1] ? __kasan_slab_free+0x11/0x20 [ 146.774667][ C1] ? kfree_skbmem+0x10c/0x180 [ 146.779366][ C1] tipc_node_distr_xmit+0x2a3/0x3b0 [ 146.784673][ C1] ? tipc_node_xmit_skb+0x150/0x150 [ 146.789884][ C1] tipc_sk_rcv+0x19f7/0x2c20 [ 146.794570][ C1] ? __skb_queue_purge+0x170/0x170 [ 146.799875][ C1] tipc_node_xmit+0x26c/0xd80 [ 146.804754][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 146.810364][ C1] tipc_sk_push_backlog+0x4dd/0x790 [ 146.815584][ C1] tipc_sk_proto_rcv+0xa65/0x1560 [ 146.820721][ C1] ? tipc_sk_filter_rcv+0x2cb0/0x2cb0 [ 146.826189][ C1] ? unwind_get_return_address+0x4d/0x90 [ 146.831839][ C1] ? stack_trace_save+0xf0/0xf0 [ 146.836784][ C1] ? arch_stack_walk+0x30/0x140 [ 146.841730][ C1] tipc_sk_filter_rcv+0x2ac0/0x2cb0 [ 146.846930][ C1] ? stack_trace_save+0xa6/0xf0 [ 146.851890][ C1] ? __stack_depot_save+0x34/0x480 [ 146.857445][ C1] ? kasan_set_track+0x5b/0x70 [ 146.862496][ C1] ? kasan_set_track+0x5b/0x70 [ 146.867525][ C1] ? kasan_set_track+0x4a/0x70 [ 146.872742][ C1] ? kasan_set_free_info+0x23/0x40 [ 146.878050][ C1] ? ____kasan_slab_free+0x125/0x160 [ 146.883475][ C1] ? __kasan_slab_free+0x11/0x20 [ 146.888516][ C1] ? slab_free_freelist_hook+0xc2/0x190 [ 146.894332][ C1] ? kmem_cache_free+0x100/0x320 [ 146.899817][ C1] ? kfree_skbmem+0x10c/0x180 [ 146.904760][ C1] ? kfree_skb+0xc1/0x2f0 [ 146.909124][ C1] ? tipc_msg_reverse+0x698/0x900 [ 146.914157][ C1] ? tipc_sk_filter_rcv+0xc05/0x2cb0 [ 146.919441][ C1] ? tipc_sk_backlog_rcv+0x117/0x210 [ 146.925215][ C1] ? __release_sock+0x17c/0x3f0 [ 146.930097][ C1] ? sock_setsockopt+0x1d7a/0x2490 [ 146.935669][ C1] ? __x64_sys_setsockopt+0xbf/0xd0 [ 146.941364][ C1] ? x64_sys_call+0x982/0x9a0 [ 146.946077][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 146.952300][ C1] ? tipc_sk_publish+0x470/0x470 [ 146.957264][ C1] ? __kasan_check_write+0x14/0x20 [ 146.962384][ C1] ? _raw_spin_lock_bh+0x94/0xf0 [ 146.967585][ C1] tipc_sk_rcv+0x794/0x2c20 [ 146.972231][ C1] ? kmem_cache_free+0x100/0x320 [ 146.977268][ C1] ? __skb_queue_purge+0x170/0x170 [ 146.982391][ C1] ? tipc_sk_filter_rcv+0x2a3e/0x2cb0 [ 146.988109][ C1] tipc_node_xmit+0x26c/0xd80 [ 146.992796][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 146.998443][ C1] tipc_node_distr_xmit+0x2a3/0x3b0 [ 147.003669][ C1] ? tipc_node_xmit_skb+0x150/0x150 [ 147.008872][ C1] tipc_sk_backlog_rcv+0x17d/0x210 [ 147.014076][ C1] ? tipc_sk_timeout+0x990/0x990 [ 147.019018][ C1] ? lock_sock_nested+0x21c/0x2a0 [ 147.024145][ C1] __release_sock+0x17c/0x3f0 [ 147.029022][ C1] sock_setsockopt+0x1d7a/0x2490 [ 147.034142][ C1] ? __sock_set_mark+0x160/0x160 [ 147.039086][ C1] ? selinux_socket_setsockopt+0x282/0x360 [ 147.044908][ C1] ? selinux_socket_getsockopt+0x340/0x340 [ 147.050813][ C1] ? __fget_files+0x2c4/0x320 [ 147.056039][ C1] ? security_socket_setsockopt+0x82/0xa0 [ 147.061797][ C1] __sys_setsockopt+0x261/0x470 [ 147.066674][ C1] ? __ia32_sys_recv+0xb0/0xb0 [ 147.071481][ C1] __x64_sys_setsockopt+0xbf/0xd0 [ 147.076703][ C1] x64_sys_call+0x982/0x9a0 [ 147.081361][ C1] do_syscall_64+0x4c/0xa0 [ 147.085781][ C1] ? clear_bhb_loop+0x50/0xa0 [ 147.090670][ C1] ? clear_bhb_loop+0x50/0xa0 [ 147.095536][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 147.101539][ C1] RIP: 0033:0x7fcff7b543f9 [ 147.105960][ 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 d0 ff ff ff f7 d8 64 89 01 48 [ 147.126547][ C1] RSP: 002b:00007fcff76c40b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 147.134982][ C1] RAX: ffffffffffffffda RBX: 00007fcff7c92050 RCX: 00007fcff7b543f9 [ 147.142967][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 147.150930][ C1] RBP: 00007fcff7bb5498 R08: 0000000000000004 R09: 0000000000000000 [ 147.158904][ C1] R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000 [ 147.166993][ C1] R13: 000000000000000b R14: 00007fcff7c92050 R15: 00007fffd9bee578 [ 147.175086][ C1] [ 287.285106][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [syz-executor.0:2076] [ 287.294178][ C0] Modules linked in: [ 287.298647][ C0] CPU: 0 PID: 2076 Comm: syz-executor.0 Not tainted syzkaller #0 [ 287.306845][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 287.320252][ C0] RIP: 0010:__pv_queued_spin_lock_slowpath+0x527/0x9c0 [ 287.327989][ C0] Code: 00 41 c6 45 00 00 48 8b 44 24 10 42 0f b6 04 38 84 c0 0f 85 1c 01 00 00 48 8b 44 24 08 c6 00 01 41 bd 00 80 ff ff eb 07 f3 90 <41> ff c5 74 47 43 0f b6 04 3e 84 c0 75 2b 80 3b 00 75 eb 48 89 df [ 287.349546][ C0] RSP: 0018:ffffc90000a07760 EFLAGS: 00000206 [ 287.356458][ C0] RAX: 0000000000000000 RBX: ffff88810ee0c088 RCX: ffffffff81500909 [ 287.365817][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88810ee0c088 [ 287.375394][ C0] RBP: ffffc90000a07850 R08: ffff88810ee0c088 R09: 1ffff11021dc1811 [ 287.384119][ C0] R10: dffffc0000000000 R11: ffffed1021dc1812 R12: 1ffff1103ee00001 [ 287.392855][ C0] R13: 00000000ffffbc51 R14: 1ffff11021dc1811 R15: dffffc0000000000 [ 287.401206][ C0] FS: 00007fcff76e56c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 287.411457][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.418701][ C0] CR2: 00007fcff76c4d58 CR3: 000000011c169000 CR4: 00000000003506b0 [ 287.428065][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.437883][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.447750][ C0] Call Trace: [ 287.452679][ C0] [ 287.456173][ C0] ? __pv_queued_spin_unlock_slowpath+0x300/0x300 [ 287.465088][ C0] ? avc_has_perm+0x163/0x250 [ 287.470813][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 287.477032][ C0] _raw_spin_lock_bh+0xe4/0xf0 [ 287.482208][ C0] ? _raw_spin_lock_irq+0xf0/0xf0 [ 287.487290][ C0] ? selinux_socket_sendmsg+0x22f/0x340 [ 287.493133][ C0] lock_sock_nested+0x95/0x2a0 [ 287.498500][ C0] ? sock_init_data+0xc0/0xc0 [ 287.503337][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 287.508348][ C0] ? _raw_spin_unlock_bh+0x51/0x60 [ 287.513493][ C0] tipc_sendstream+0x47/0x70 [ 287.518288][ C0] ? tipc_getsockopt+0x4d0/0x4d0 [ 287.523420][ C0] ____sys_sendmsg+0x5b7/0x8f0 [ 287.528790][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 287.534282][ C0] ? import_iovec+0x7c/0xb0 [ 287.539203][ C0] ___sys_sendmsg+0x236/0x2e0 [ 287.543937][ C0] ? __sys_sendmsg+0x280/0x280 [ 287.549237][ C0] ? memcpy+0x56/0x70 [ 287.553545][ C0] ? __fdget+0x1a1/0x230 [ 287.558011][ C0] __x64_sys_sendmsg+0x206/0x2f0 [ 287.563569][ C0] ? ___sys_sendmsg+0x2e0/0x2e0 [ 287.568849][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 287.575069][ C0] x64_sys_call+0x4b/0x9a0 [ 287.580521][ C0] do_syscall_64+0x4c/0xa0 [ 287.585600][ C0] ? clear_bhb_loop+0x50/0xa0 [ 287.590681][ C0] ? clear_bhb_loop+0x50/0xa0 [ 287.595577][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 287.602657][ C0] RIP: 0033:0x7fcff7b543f9 [ 287.607511][ 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 d0 ff ff ff f7 d8 64 89 01 48 [ 287.628405][ C0] RSP: 002b:00007fcff76e50b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 287.637429][ C0] RAX: ffffffffffffffda RBX: 00007fcff7c91f80 RCX: 00007fcff7b543f9 [ 287.645992][ C0] RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000004 [ 287.654535][ C0] RBP: 00007fcff7bb5498 R08: 0000000000000000 R09: 0000000000000000 [ 287.663609][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 287.672390][ C0] R13: 000000000000000b R14: 00007fcff7c91f80 R15: 00007fffd9bee578 [ 287.680931][ C0] [ 287.683993][ C0] Sending NMI from CPU 0 to CPUs 1: [ 287.689715][ C1] NMI backtrace for cpu 1 [ 287.689733][ C1] CPU: 1 PID: 2077 Comm: syz-executor.0 Not tainted syzkaller #0 [ 287.689753][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 287.689763][ C1] RIP: 0010:tipc_sk_rcv+0x1a17/0x2c20 [ 287.689792][ C1] Code: 24 c0 01 00 00 e8 c9 05 ff ff 49 83 ee 80 4c 89 f7 be 04 00 00 00 e8 38 b2 10 fd bb ff ff ff ff f0 41 0f c1 9c 24 80 00 00 00 01 00 00 00 89 de e8 5d 85 d1 fc 83 fb 01 75 0f e8 a3 81 d1 fc [ 287.689806][ C1] RSP: 0018:ffffc90000b567c0 EFLAGS: 00000213 [ 287.689822][ C1] RAX: 0000000000000001 RBX: 0000000000000005 RCX: ffffffff84984b38 [ 287.689833][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88810ee0c080 [ 287.689844][ C1] RBP: ffffc90000b56a50 R08: ffff88810ee0c083 R09: 1ffff11021dc1810 [ 287.689857][ C1] R10: dffffc0000000000 R11: ffffed1021dc1811 R12: ffff88810ee0c000 [ 287.689869][ C1] R13: dffffc0000000000 R14: ffff88810ee0c080 R15: 00000000a8cf319a [ 287.689881][ C1] FS: 00007fcff76c46c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 287.689896][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.689908][ C1] CR2: 00007fcff76c3fd0 CR3: 000000011c169000 CR4: 00000000003506a0 [ 287.689923][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.689932][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.689942][ C1] Call Trace: [ 287.689949][ C1] [ 287.689956][ C1] ? stack_trace_save+0xa6/0xf0 [ 287.689975][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 287.689997][ C1] ? kasan_set_track+0x5b/0x70 [ 287.690013][ C1] ? kasan_set_free_info+0x23/0x40 [ 287.690029][ C1] ? tipc_sk_rcv+0x1b82/0x2c20 [ 287.690043][ C1] ? tipc_sk_proto_rcv+0xa65/0x1560 [ 287.690059][ C1] ? tipc_sk_backlog_rcv+0x17d/0x210 [ 287.690074][ C1] ? __release_sock+0x17c/0x3f0 [ 287.690092][ C1] ? sock_setsockopt+0x1d7a/0x2490 [ 287.690117][ C1] ? __skb_queue_purge+0x170/0x170 [ 287.690135][ C1] tipc_node_xmit+0x26c/0xd80 [ 287.690155][ C1] ? debug_smp_processor_id+0x17/0x20 [ 287.690172][ C1] ? kasan_quarantine_put+0x34/0x190 [ 287.690189][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 287.690207][ C1] ? ____kasan_slab_free+0x130/0x160 [ 287.690223][ C1] ? __kasan_slab_free+0x11/0x20 [ 287.690239][ C1] ? kfree_skbmem+0x10c/0x180 [ 287.690257][ C1] tipc_node_distr_xmit+0x2a3/0x3b0 [ 287.690276][ C1] ? tipc_node_xmit_skb+0x150/0x150 [ 287.690296][ C1] tipc_sk_rcv+0x19f7/0x2c20 [ 287.690316][ C1] ? __skb_queue_purge+0x170/0x170 [ 287.690333][ C1] tipc_node_xmit+0x26c/0xd80 [ 287.690352][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 287.690374][ C1] tipc_sk_push_backlog+0x4dd/0x790 [ 287.690391][ C1] tipc_sk_proto_rcv+0xa65/0x1560 [ 287.690408][ C1] ? tipc_sk_filter_rcv+0x2cb0/0x2cb0 [ 287.690422][ C1] ? unwind_get_return_address+0x4d/0x90 [ 287.690441][ C1] ? stack_trace_save+0xf0/0xf0 [ 287.690456][ C1] ? arch_stack_walk+0x30/0x140 [ 287.690476][ C1] tipc_sk_filter_rcv+0x2ac0/0x2cb0 [ 287.690491][ C1] ? stack_trace_save+0xa6/0xf0 [ 287.690507][ C1] ? __stack_depot_save+0x34/0x480 [ 287.690525][ C1] ? kasan_set_track+0x5b/0x70 [ 287.690540][ C1] ? kasan_set_track+0x5b/0x70 [ 287.690553][ C1] ? kasan_set_track+0x4a/0x70 [ 287.690567][ C1] ? kasan_set_free_info+0x23/0x40 [ 287.690582][ C1] ? ____kasan_slab_free+0x125/0x160 [ 287.690597][ C1] ? __kasan_slab_free+0x11/0x20 [ 287.690611][ C1] ? slab_free_freelist_hook+0xc2/0x190 [ 287.690630][ C1] ? kmem_cache_free+0x100/0x320 [ 287.690646][ C1] ? kfree_skbmem+0x10c/0x180 [ 287.690662][ C1] ? kfree_skb+0xc1/0x2f0 [ 287.690678][ C1] ? tipc_msg_reverse+0x698/0x900 [ 287.690693][ C1] ? tipc_sk_filter_rcv+0xc05/0x2cb0 [ 287.690708][ C1] ? tipc_sk_backlog_rcv+0x117/0x210 [ 287.690723][ C1] ? __release_sock+0x17c/0x3f0 [ 287.690738][ C1] ? sock_setsockopt+0x1d7a/0x2490 [ 287.690753][ C1] ? __x64_sys_setsockopt+0xbf/0xd0 [ 287.690772][ C1] ? x64_sys_call+0x982/0x9a0 [ 287.690789][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 287.690810][ C1] ? tipc_sk_publish+0x470/0x470 [ 287.690825][ C1] ? __kasan_check_write+0x14/0x20 [ 287.690841][ C1] ? _raw_spin_lock_bh+0x94/0xf0 [ 287.690860][ C1] tipc_sk_rcv+0x794/0x2c20 [ 287.690877][ C1] ? kmem_cache_free+0x100/0x320 [ 287.690896][ C1] ? __skb_queue_purge+0x170/0x170 [ 287.690912][ C1] ? tipc_sk_filter_rcv+0x2a3e/0x2cb0 [ 287.690929][ C1] tipc_node_xmit+0x26c/0xd80 [ 287.690947][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 287.690968][ C1] tipc_node_distr_xmit+0x2a3/0x3b0 [ 287.690987][ C1] ? tipc_node_xmit_skb+0x150/0x150 [ 287.691007][ C1] tipc_sk_backlog_rcv+0x17d/0x210 [ 287.691023][ C1] ? tipc_sk_timeout+0x990/0x990 [ 287.691037][ C1] ? lock_sock_nested+0x21c/0x2a0 [ 287.691055][ C1] __release_sock+0x17c/0x3f0 [ 287.691072][ C1] sock_setsockopt+0x1d7a/0x2490 [ 287.691089][ C1] ? __sock_set_mark+0x160/0x160 [ 287.691110][ C1] ? selinux_socket_setsockopt+0x282/0x360 [ 287.691129][ C1] ? selinux_socket_getsockopt+0x340/0x340 [ 287.691149][ C1] ? __fget_files+0x2c4/0x320 [ 287.691170][ C1] ? security_socket_setsockopt+0x82/0xa0 [ 287.691186][ C1] __sys_setsockopt+0x261/0x470 [ 287.691203][ C1] ? __ia32_sys_recv+0xb0/0xb0 [ 287.691223][ C1] __x64_sys_setsockopt+0xbf/0xd0 [ 287.691242][ C1] x64_sys_call+0x982/0x9a0 [ 287.691256][ C1] do_syscall_64+0x4c/0xa0 [ 287.691273][ C1] ? clear_bhb_loop+0x50/0xa0 [ 287.691288][ C1] ? clear_bhb_loop+0x50/0xa0 [ 287.691301][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 287.691320][ C1] RIP: 0033:0x7fcff7b543f9 [ 287.691335][ 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 d0 ff ff ff f7 d8 64 89 01 48 [ 287.691347][ C1] RSP: 002b:00007fcff76c40b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 287.691364][ C1] RAX: ffffffffffffffda RBX: 00007fcff7c92050 RCX: 00007fcff7b543f9 [ 287.691376][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 287.691385][ C1] RBP: 00007fcff7bb5498 R08: 0000000000000004 R09: 0000000000000000 [ 287.691400][ C1] R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000 [ 287.691410][ C1] R13: 000000000000000b R14: 00007fcff7c92050 R15: 00007fffd9bee578 [ 287.691423][ C1]