Warning: Permanently added '10.128.1.75' (ED25519) to the list of known hosts.
2026/04/27 13:14:52 ignoring optional flag "type"="gce"
2026/04/27 13:14:52 parsed 1 programs
[ 38.571094][ T30] kauditd_printk_skb: 18 callbacks suppressed
[ 38.571108][ T30] audit: type=1400 audit(1777295692.562:92): avc: denied { unlink } for pid=321 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"
2026/04/27 13:14:52 executed programs: 0
[ 38.645949][ T321] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 38.703346][ T328] bridge0: port 1(bridge_slave_0) entered blocking state
[ 38.710616][ T328] bridge0: port 1(bridge_slave_0) entered disabled state
[ 38.718023][ T328] device bridge_slave_0 entered promiscuous mode
[ 38.725047][ T328] bridge0: port 2(bridge_slave_1) entered blocking state
[ 38.732199][ T328] bridge0: port 2(bridge_slave_1) entered disabled state
[ 38.739609][ T328] device bridge_slave_1 entered promiscuous mode
[ 38.782931][ T30] audit: type=1400 audit(1777295692.772:93): avc: denied { create } for pid=328 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 38.798564][ T328] bridge0: port 2(bridge_slave_1) entered blocking state
[ 38.804263][ T30] audit: type=1400 audit(1777295692.772:94): avc: denied { write } for pid=328 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 38.811477][ T328] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 38.811712][ T328] bridge0: port 1(bridge_slave_0) entered blocking state
[ 38.833080][ T30] audit: type=1400 audit(1777295692.772:95): avc: denied { read } for pid=328 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 38.839226][ T328] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 38.885461][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 38.892765][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 38.900040][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 38.907829][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 38.917167][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 38.925664][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 38.933160][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 38.942145][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 38.950317][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 38.957395][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 38.969234][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 38.978603][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 38.992582][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 39.004192][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 39.012619][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 39.020179][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 39.028601][ T328] device veth0_vlan entered promiscuous mode
[ 39.038620][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 39.047724][ T328] device veth1_macvtap entered promiscuous mode
[ 39.057156][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 39.067346][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 39.088613][ T30] audit: type=1400 audit(1777295693.072:96): avc: denied { create } for pid=332 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1
[ 39.110577][ T30] audit: type=1400 audit(1777295693.072:97): avc: denied { setopt } for pid=332 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1
[ 39.130855][ T30] audit: type=1400 audit(1777295693.092:98): avc: denied { write } for pid=332 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1
2026/04/27 13:14:57 executed programs: 645
2026/04/27 13:15:02 executed programs: 1341
2026/04/27 13:15:07 executed programs: 2039
2026/04/27 13:15:12 executed programs: 2717
2026/04/27 13:15:17 executed programs: 3415
2026/04/27 13:15:22 executed programs: 4104
2026/04/27 13:15:27 executed programs: 4750
2026/04/27 13:15:32 executed programs: 5430
2026/04/27 13:15:37 executed programs: 6141
2026/04/27 13:15:42 executed programs: 6864
2026/04/27 13:15:47 executed programs: 7580
2026/04/27 13:15:52 executed programs: 8300
2026/04/27 13:15:57 executed programs: 8997
2026/04/27 13:16:02 executed programs: 9685
2026/04/27 13:16:07 executed programs: 10373
2026/04/27 13:16:12 executed programs: 11067
2026/04/27 13:16:17 executed programs: 11759
2026/04/27 13:16:22 executed programs: 12435
2026/04/27 13:16:27 executed programs: 13141
2026/04/27 13:16:32 executed programs: 13824
2026/04/27 13:16:37 executed programs: 14502
2026/04/27 13:16:42 executed programs: 15368
2026/04/27 13:16:47 executed programs: 16235
2026/04/27 13:16:52 executed programs: 17113
2026/04/27 13:16:57 executed programs: 17997
2026/04/27 13:17:02 executed programs: 18868
2026/04/27 13:17:07 executed programs: 19741
2026/04/27 13:17:12 executed programs: 20616
2026/04/27 13:17:17 executed programs: 21495
[ 288.040332][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 288.047063][ C0] rcu: 0-...!: (10000 ticks this GP) idle=687/1/0x4000000000000000 softirq=127045/127045 fqs=0 last_accelerate: d3e6/faf7 dyntick_enabled: 1
[ 288.061608][ C0] (t=10002 jiffies g=91085 q=3)
[ 288.066570][ C0] rcu: rcu_preempt kthread timer wakeup didn't happen for 10001 jiffies! g91085 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
[ 288.078911][ C0] rcu: Possible timer handling issue on cpu=0 timer-softirq=6521
[ 288.086727][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g91085 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
[ 288.098236][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 288.108225][ C0] rcu: RCU grace-period kthread stack dump:
[ 288.114139][ C0] task:rcu_preempt state:I stack:28640 pid: 14 ppid: 2 flags:0x00004000
[ 288.123395][ C0] Call Trace:
[ 288.126709][ C0]
[ 288.129675][ C0] __schedule+0xb6e/0x14c0
[ 288.134142][ C0] ? release_firmware_map_entry+0x190/0x190
[ 288.140165][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 288.146026][ C0] ? __mod_timer+0x7da/0xb50
[ 288.150697][ C0] schedule+0x11e/0x1e0
[ 288.154881][ C0] schedule_timeout+0x159/0x340
[ 288.159767][ C0] ? console_conditional_schedule+0x30/0x30
[ 288.165860][ C0] ? update_process_times+0x200/0x200
[ 288.171270][ C0] ? prepare_to_swait_event+0x308/0x320
[ 288.176839][ C0] rcu_gp_fqs_loop+0x2ae/0xf80
[ 288.181658][ C0] ? __kasan_check_write+0x14/0x20
[ 288.186821][ C0] ? debug_smp_processor_id+0x17/0x20
[ 288.192434][ C0] ? __note_gp_changes+0x4e2/0x9e0
[ 288.197583][ C0] ? rcu_gp_init+0xc00/0xc00
[ 288.202196][ C0] ? _raw_spin_unlock_irq+0x4e/0x70
[ 288.207433][ C0] ? rcu_gp_init+0x9a7/0xc00
[ 288.212146][ C0] rcu_gp_kthread+0x9b/0x360
[ 288.216766][ C0] ? _raw_spin_lock+0xf0/0xf0
[ 288.221471][ C0] ? wake_nocb_gp+0x1d0/0x1d0
[ 288.226193][ C0] ? __kasan_check_read+0x11/0x20
[ 288.231242][ C0] ? __kthread_parkme+0xac/0x200
[ 288.236198][ C0] kthread+0x411/0x500
[ 288.240291][ C0] ? wake_nocb_gp+0x1d0/0x1d0
[ 288.244991][ C0] ? kthread_blkcg+0xd0/0xd0
[ 288.249615][ C0] ret_from_fork+0x1f/0x30
[ 288.254054][ C0]
[ 288.257098][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 288.263448][ C0] NMI backtrace for cpu 0
[ 288.267909][ C0] CPU: 0 PID: 2138 Comm: syz-executor.0 Not tainted syzkaller #0
[ 288.275704][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 288.285875][ C0] Call Trace:
[ 288.289176][ C0]
[ 288.292059][ C0] __dump_stack+0x21/0x30
[ 288.296416][ C0] dump_stack_lvl+0x110/0x170
[ 288.301112][ C0] ? show_regs_print_info+0x20/0x20
[ 288.306335][ C0] dump_stack+0x15/0x20
[ 288.310516][ C0] nmi_cpu_backtrace+0x2af/0x2c0
[ 288.315474][ C0] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 288.321735][ C0] ? load_image+0x3e0/0x3e0
[ 288.326261][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 288.332367][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 288.338478][ C0] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 288.344497][ C0] arch_trigger_cpumask_backtrace+0x10/0x20
[ 288.350584][ C0] rcu_check_gp_kthread_starvation+0x1e0/0x260
[ 288.356757][ C0] ? rcu_check_gp_kthread_expired_fqs_timer+0x186/0x230
[ 288.363806][ C0] print_cpu_stall+0x31b/0x600
[ 288.368589][ C0] rcu_sched_clock_irq+0x759/0x12c0
[ 288.373902][ C0] ? rcu_boost_kthread_setaffinity+0x320/0x320
[ 288.380074][ C0] ? raise_softirq+0x7d/0xf0
[ 288.384774][ C0] ? __raise_softirq_irqoff+0xd0/0xd0
[ 288.390177][ C0] ? hrtimer_run_queues+0x166/0x430
[ 288.395531][ C0] update_process_times+0x198/0x200
[ 288.400748][ C0] tick_sched_timer+0x17c/0x240
[ 288.405622][ C0] ? tick_setup_sched_timer+0x450/0x450
[ 288.411191][ C0] __hrtimer_run_queues+0x39f/0x8c0
[ 288.416503][ C0] ? hrtimer_interrupt+0x8c0/0x8c0
[ 288.421636][ C0] ? ktime_get_update_offsets_now+0x2fa/0x310
[ 288.427827][ C0] hrtimer_interrupt+0x3c7/0x8c0
[ 288.433066][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3e0
[ 288.438987][ C0] sysvec_apic_timer_interrupt+0xa4/0xc0
[ 288.444651][ C0]
[ 288.447617][ C0]
[ 288.450567][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 288.456576][ C0] RIP: 0010:kvm_wait+0x105/0x150
[ 288.461549][ 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 7b 71 7d 03 89 f9 80 e1 07 38
[ 288.481266][ C0] RSP: 0018:ffffc90000b676c0 EFLAGS: 00000246
[ 288.487362][ C0] RAX: 0000000000000003 RBX: ffff88811d408588 RCX: ffffffff815005c9
[ 288.495368][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88811d408588
[ 288.503459][ C0] RBP: ffffc90000b67750 R08: ffff88811d408588 R09: 1ffff11023a810b1
[ 288.511551][ C0] R10: dffffc0000000000 R11: ffffed1023a810b2 R12: 1ffff1103ee00001
[ 288.519546][ C0] R13: ffff8881f7038ad4 R14: dffffc0000000000 R15: 1ffff9200016ced8
[ 288.527543][ C0] ? __pv_queued_spin_lock_slowpath+0x5b9/0x9c0
[ 288.533897][ C0] ? kvm_arch_para_hints+0x30/0x30
[ 288.539052][ C0] ? __pv_queued_spin_lock_slowpath+0x5b9/0x9c0
[ 288.545315][ C0] __pv_queued_spin_lock_slowpath+0x60f/0x9c0
[ 288.551408][ C0] ? __pv_queued_spin_unlock_slowpath+0x300/0x300
[ 288.557852][ C0] ? avc_has_perm+0x163/0x250
[ 288.562655][ C0] queued_spin_lock_slowpath+0x47/0x50
[ 288.568131][ C0] _raw_spin_lock_bh+0xe4/0xf0
[ 288.572914][ C0] ? _raw_spin_lock_irq+0xf0/0xf0
[ 288.577956][ C0] ? selinux_socket_sendmsg+0x22f/0x340
[ 288.583528][ C0] lock_sock_nested+0x95/0x2a0
[ 288.588316][ C0] ? sock_init_data+0xc0/0xc0
[ 288.593107][ C0] ? _raw_spin_lock_bh+0x94/0xf0
[ 288.598080][ C0] ? _raw_spin_unlock_bh+0x51/0x60
[ 288.603217][ C0] tipc_sendstream+0x47/0x70
[ 288.607830][ C0] ? tipc_getsockopt+0x4d0/0x4d0
[ 288.612797][ C0] ____sys_sendmsg+0x5b7/0x8f0
[ 288.617582][ C0] ? __sys_sendmsg_sock+0x40/0x40
[ 288.622637][ C0] ? do_handle_mm_fault+0xfac/0x1de0
[ 288.627948][ C0] ? import_iovec+0x7c/0xb0
[ 288.632481][ C0] ___sys_sendmsg+0x236/0x2e0
[ 288.637193][ C0] ? __sys_sendmsg+0x280/0x280
[ 288.642106][ C0] ? __fdget+0x1a1/0x230
[ 288.646388][ C0] __x64_sys_sendmsg+0x206/0x2f0
[ 288.651360][ C0] ? ___sys_sendmsg+0x2e0/0x2e0
[ 288.656334][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0
[ 288.662630][ C0] x64_sys_call+0x4b/0x9a0
[ 288.667085][ C0] do_syscall_64+0x4c/0xa0
[ 288.671525][ C0] ? clear_bhb_loop+0x50/0xa0
[ 288.676225][ C0] ? clear_bhb_loop+0x50/0xa0
[ 288.680934][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 288.687009][ C0] RIP: 0033:0x7f8ba1ebd3b9
[ 288.691468][ 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
[ 288.711099][ C0] RSP: 002b:00007f8ba1a2d0b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 288.719624][ C0] RAX: ffffffffffffffda RBX: 00007f8ba1ffb050 RCX: 00007f8ba1ebd3b9
[ 288.727831][ C0] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000004
[ 288.735826][ C0] RBP: 00007f8ba1f1e498 R08: 0000000000000000 R09: 0000000000000000
[ 288.743812][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 288.752065][ C0] R13: 000000000000000b R14: 00007f8ba1ffb050 R15: 00007ffc67ad0e68
[ 288.760058][ C0]
[ 288.763130][ C0] NMI backtrace for cpu 0
[ 288.767485][ C0] CPU: 0 PID: 2138 Comm: syz-executor.0 Not tainted syzkaller #0
[ 288.775360][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 288.785465][ C0] Call Trace:
[ 288.788780][ C0]
[ 288.791760][ C0] __dump_stack+0x21/0x30
[ 288.796505][ C0] dump_stack_lvl+0x110/0x170
[ 288.801214][ C0] ? show_regs_print_info+0x20/0x20
[ 288.806633][ C0] ? resched_curr+0xa0/0x320
[ 288.811355][ C0] ? wake_up_process+0x20/0x20
[ 288.816155][ C0] dump_stack+0x15/0x20
[ 288.820460][ C0] nmi_cpu_backtrace+0x2af/0x2c0
[ 288.825447][ C0] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 288.831682][ C0] ? __kasan_check_write+0x14/0x20
[ 288.836913][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 288.842404][ C0] ? _raw_spin_lock+0xf0/0xf0
[ 288.847138][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 288.853232][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 288.859321][ C0] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 288.865323][ C0] arch_trigger_cpumask_backtrace+0x10/0x20
[ 288.871406][ C0] rcu_dump_cpu_stacks+0x1c7/0x300
[ 288.876655][ C0] print_cpu_stall+0x320/0x600
[ 288.881578][ C0] rcu_sched_clock_irq+0x759/0x12c0
[ 288.886816][ C0] ? rcu_boost_kthread_setaffinity+0x320/0x320
[ 288.893088][ C0] ? raise_softirq+0x7d/0xf0
[ 288.897713][ C0] ? __raise_softirq_irqoff+0xd0/0xd0
[ 288.903112][ C0] ? hrtimer_run_queues+0x166/0x430
[ 288.908444][ C0] update_process_times+0x198/0x200
[ 288.913672][ C0] tick_sched_timer+0x17c/0x240
[ 288.918551][ C0] ? tick_setup_sched_timer+0x450/0x450
[ 288.924126][ C0] __hrtimer_run_queues+0x39f/0x8c0
[ 288.929440][ C0] ? hrtimer_interrupt+0x8c0/0x8c0
[ 288.934576][ C0] ? ktime_get_update_offsets_now+0x2fa/0x310
[ 288.940670][ C0] hrtimer_interrupt+0x3c7/0x8c0
[ 288.945653][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3e0
[ 288.951569][ C0] sysvec_apic_timer_interrupt+0xa4/0xc0
[ 288.957386][ C0]
[ 288.960356][ C0]
[ 288.963318][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 288.969519][ C0] RIP: 0010:kvm_wait+0x105/0x150
[ 288.974676][ 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 7b 71 7d 03 89 f9 80 e1 07 38
[ 288.994612][ C0] RSP: 0018:ffffc90000b676c0 EFLAGS: 00000246
[ 289.000707][ C0] RAX: 0000000000000003 RBX: ffff88811d408588 RCX: ffffffff815005c9
[ 289.008727][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88811d408588
[ 289.016730][ C0] RBP: ffffc90000b67750 R08: ffff88811d408588 R09: 1ffff11023a810b1
[ 289.024735][ C0] R10: dffffc0000000000 R11: ffffed1023a810b2 R12: 1ffff1103ee00001
[ 289.032740][ C0] R13: ffff8881f7038ad4 R14: dffffc0000000000 R15: 1ffff9200016ced8
[ 289.040749][ C0] ? __pv_queued_spin_lock_slowpath+0x5b9/0x9c0
[ 289.047109][ C0] ? kvm_arch_para_hints+0x30/0x30
[ 289.052250][ C0] ? __pv_queued_spin_lock_slowpath+0x5b9/0x9c0
[ 289.058571][ C0] __pv_queued_spin_lock_slowpath+0x60f/0x9c0
[ 289.064693][ C0] ? __pv_queued_spin_unlock_slowpath+0x300/0x300
[ 289.071135][ C0] ? avc_has_perm+0x163/0x250
[ 289.075845][ C0] queued_spin_lock_slowpath+0x47/0x50
[ 289.081336][ C0] _raw_spin_lock_bh+0xe4/0xf0
[ 289.086137][ C0] ? _raw_spin_lock_irq+0xf0/0xf0
[ 289.091185][ C0] ? selinux_socket_sendmsg+0x22f/0x340
[ 289.097200][ C0] lock_sock_nested+0x95/0x2a0
[ 289.102172][ C0] ? sock_init_data+0xc0/0xc0
[ 289.106873][ C0] ? _raw_spin_lock_bh+0x94/0xf0
[ 289.111858][ C0] ? _raw_spin_unlock_bh+0x51/0x60
[ 289.117094][ C0] tipc_sendstream+0x47/0x70
[ 289.121707][ C0] ? tipc_getsockopt+0x4d0/0x4d0
[ 289.126776][ C0] ____sys_sendmsg+0x5b7/0x8f0
[ 289.131574][ C0] ? __sys_sendmsg_sock+0x40/0x40
[ 289.136701][ C0] ? do_handle_mm_fault+0xfac/0x1de0
[ 289.142009][ C0] ? import_iovec+0x7c/0xb0
[ 289.146532][ C0] ___sys_sendmsg+0x236/0x2e0
[ 289.151237][ C0] ? __sys_sendmsg+0x280/0x280
[ 289.156130][ C0] ? __fdget+0x1a1/0x230
[ 289.160396][ C0] __x64_sys_sendmsg+0x206/0x2f0
[ 289.165359][ C0] ? ___sys_sendmsg+0x2e0/0x2e0
[ 289.170266][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0
[ 289.176368][ C0] x64_sys_call+0x4b/0x9a0
[ 289.180817][ C0] do_syscall_64+0x4c/0xa0
[ 289.185266][ C0] ? clear_bhb_loop+0x50/0xa0
[ 289.189968][ C0] ? clear_bhb_loop+0x50/0xa0
[ 289.194756][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 289.200675][ C0] RIP: 0033:0x7f8ba1ebd3b9
[ 289.205209][ 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
[ 289.224938][ C0] RSP: 002b:00007f8ba1a2d0b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 289.233383][ C0] RAX: ffffffffffffffda RBX: 00007f8ba1ffb050 RCX: 00007f8ba1ebd3b9
[ 289.241635][ C0] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000004
[ 289.249658][ C0] RBP: 00007f8ba1f1e498 R08: 0000000000000000 R09: 0000000000000000
[ 289.257846][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 289.266026][ C0] R13: 000000000000000b R14: 00007f8ba1ffb050 R15: 00007ffc67ad0e68
[ 289.274037][ C0]
[ 331.281936][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 143s! [syz-executor.0:2137]
[ 331.290588][ C1] Modules linked in:
[ 331.294543][ C1] CPU: 1 PID: 2137 Comm: syz-executor.0 Not tainted syzkaller #0
[ 331.302459][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 331.312895][ C1] RIP: 0010:preempt_count_add+0x3b/0x1b0
[ 331.318541][ C1] Code: ff df 48 c7 c0 20 bf 0c 87 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 01 01 00 00 83 3d de f7 c4 05 00 75 07 65 8b 05 3d a6 ba 7e <65> 01 3d 36 a6 ba 7e 48 c7 c0 20 bf 0c 87 48 c1 e8 03 42 0f b6 04
[ 331.338457][ C1] RSP: 0018:ffffc9000263e6f8 EFLAGS: 00000246
[ 331.344568][ C1] RAX: 0000000000000201 RBX: ffff88811d408588 RCX: ffffffff870cbf03
[ 331.352816][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000201
[ 331.360809][ C1] RBP: ffffc9000263e710 R08: ffff88811d408583 R09: 1ffff11023a810b0
[ 331.368923][ C1] R10: dffffc0000000000 R11: ffffed1023a810b1 R12: dffffc0000000000
[ 331.376912][ C1] R13: 1ffff920004c7ce4 R14: ffffffff84986412 R15: dffffc0000000000
[ 331.385285][ C1] FS: 00007f8ba1a4e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 331.394262][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 331.400870][ C1] CR2: 00000000200001c0 CR3: 00000001247a4000 CR4: 00000000003506a0
[ 331.408973][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 331.417213][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 331.425201][ C1] Call Trace:
[ 331.428601][ C1]
[ 331.431742][ C1] ? tipc_sk_rcv+0x3d2/0x2c20
[ 331.436623][ C1] _raw_spin_trylock_bh+0x6e/0x150
[ 331.441754][ C1] ? _raw_spin_trylock+0x150/0x150
[ 331.446921][ C1] tipc_sk_rcv+0x3d2/0x2c20
[ 331.451623][ C1] ? stack_trace_save+0xa6/0xf0
[ 331.456498][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 331.462631][ C1] ? kasan_set_track+0x5b/0x70
[ 331.467430][ C1] ? kasan_set_free_info+0x23/0x40
[ 331.472594][ C1] ? tipc_sk_rcv+0x1b82/0x2c20
[ 331.477397][ C1] ? tipc_sk_proto_rcv+0xa65/0x1560
[ 331.482622][ C1] ? tipc_sk_backlog_rcv+0x17d/0x210
[ 331.487953][ C1] ? __release_sock+0x17c/0x3f0
[ 331.492894][ C1] ? sock_setsockopt+0x1d7a/0x2490
[ 331.498052][ C1] ? __skb_queue_purge+0x170/0x170
[ 331.503190][ C1] tipc_node_xmit+0x26c/0xd80
[ 331.507919][ C1] ? debug_smp_processor_id+0x17/0x20
[ 331.513844][ C1] ? kasan_quarantine_put+0x34/0x190
[ 331.519157][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0
[ 331.524721][ C1] ? ____kasan_slab_free+0x130/0x160
[ 331.530114][ C1] ? __kasan_slab_free+0x11/0x20
[ 331.535250][ C1] ? kfree_skbmem+0x10c/0x180
[ 331.540184][ C1] tipc_node_distr_xmit+0x2a3/0x3b0
[ 331.545596][ C1] ? tipc_node_xmit_skb+0x150/0x150
[ 331.551157][ C1] tipc_sk_rcv+0x19f7/0x2c20
[ 331.555909][ C1] ? __skb_queue_purge+0x170/0x170
[ 331.561039][ C1] tipc_node_xmit+0x26c/0xd80
[ 331.565827][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0
[ 331.571717][ C1] tipc_sk_push_backlog+0x4dd/0x790
[ 331.577651][ C1] tipc_sk_proto_rcv+0xa65/0x1560
[ 331.582688][ C1] ? tipc_sk_filter_rcv+0x2d50/0x2d50
[ 331.588155][ C1] ? unwind_get_return_address+0x4d/0x90
[ 331.594054][ C1] ? stack_trace_save+0xf0/0xf0
[ 331.598915][ C1] ? arch_stack_walk+0x50/0x140
[ 331.603769][ C1] tipc_sk_filter_rcv+0x2b68/0x2d50
[ 331.609064][ C1] ? stack_trace_save+0xa6/0xf0
[ 331.613916][ C1] ? __stack_depot_save+0x34/0x480
[ 331.619234][ C1] ? kasan_set_track+0x5b/0x70
[ 331.624008][ C1] ? kasan_set_track+0x5b/0x70
[ 331.628905][ C1] ? kasan_set_track+0x4a/0x70
[ 331.633767][ C1] ? kasan_set_free_info+0x23/0x40
[ 331.638982][ C1] ? ____kasan_slab_free+0x125/0x160
[ 331.644895][ C1] ? __kasan_slab_free+0x11/0x20
[ 331.650111][ C1] ? slab_free_freelist_hook+0xc2/0x190
[ 331.655774][ C1] ? kmem_cache_free+0x100/0x320
[ 331.660931][ C1] ? kfree_skbmem+0x10c/0x180
[ 331.665726][ C1] ? kfree_skb+0xc1/0x2f0
[ 331.670109][ C1] ? tipc_msg_reverse+0x698/0x900
[ 331.675245][ C1] ? tipc_sk_filter_rcv+0xc08/0x2d50
[ 331.680558][ C1] ? tipc_sk_backlog_rcv+0x117/0x210
[ 331.686107][ C1] ? __release_sock+0x17c/0x3f0
[ 331.690991][ C1] ? sock_setsockopt+0x1d7a/0x2490
[ 331.696134][ C1] ? __x64_sys_setsockopt+0xbf/0xd0
[ 331.701357][ C1] ? x64_sys_call+0x982/0x9a0
[ 331.706147][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 331.712554][ C1] ? tipc_sk_publish+0x470/0x470
[ 331.717657][ C1] ? __kasan_check_write+0x14/0x20
[ 331.722792][ C1] ? _raw_spin_lock_bh+0x94/0xf0
[ 331.727779][ C1] tipc_sk_rcv+0x794/0x2c20
[ 331.732385][ C1] ? kmem_cache_free+0x100/0x320
[ 331.737423][ C1] ? __skb_queue_purge+0x170/0x170
[ 331.742575][ C1] ? tipc_sk_filter_rcv+0x2ae6/0x2d50
[ 331.747989][ C1] tipc_node_xmit+0x26c/0xd80
[ 331.752805][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0
[ 331.758386][ C1] tipc_node_distr_xmit+0x2a3/0x3b0
[ 331.763620][ C1] ? tipc_node_xmit_skb+0x150/0x150
[ 331.769098][ C1] tipc_sk_backlog_rcv+0x17d/0x210
[ 331.774279][ C1] ? tipc_sk_timeout+0x990/0x990
[ 331.779264][ C1] ? lock_sock_nested+0x21c/0x2a0
[ 331.784326][ C1] __release_sock+0x17c/0x3f0
[ 331.789031][ C1] sock_setsockopt+0x1d7a/0x2490
[ 331.793985][ C1] ? security_file_alloc+0x33/0x120
[ 331.799205][ C1] ? __sock_set_mark+0x160/0x160
[ 331.804183][ C1] ? selinux_socket_setsockopt+0x282/0x360
[ 331.810033][ C1] ? selinux_socket_getsockopt+0x340/0x340
[ 331.815889][ C1] ? memcpy+0x56/0x70
[ 331.819921][ C1] ? __fget_files+0x2c4/0x320
[ 331.824951][ C1] ? security_socket_setsockopt+0x82/0xa0
[ 331.831008][ C1] __sys_setsockopt+0x261/0x470
[ 331.835895][ C1] ? __ia32_sys_recv+0xb0/0xb0
[ 331.840692][ C1] ? fd_install+0x169/0x2a0
[ 331.845212][ C1] ? __kasan_check_write+0x14/0x20
[ 331.850522][ C1] __x64_sys_setsockopt+0xbf/0xd0
[ 331.855690][ C1] x64_sys_call+0x982/0x9a0
[ 331.860221][ C1] do_syscall_64+0x4c/0xa0
[ 331.864668][ C1] ? clear_bhb_loop+0x50/0xa0
[ 331.869350][ C1] ? clear_bhb_loop+0x50/0xa0
[ 331.874124][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 331.880316][ C1] RIP: 0033:0x7f8ba1ebd3b9
[ 331.884767][ 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
[ 331.904398][ C1] RSP: 002b:00007f8ba1a4e0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 331.913407][ C1] RAX: ffffffffffffffda RBX: 00007f8ba1ffaf80 RCX: 00007f8ba1ebd3b9
[ 331.921409][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
[ 331.929413][ C1] RBP: 00007f8ba1f1e498 R08: 0000000000000004 R09: 0000000000000000
[ 331.937607][ C1] R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000
[ 331.946044][ C1] R13: 000000000000000b R14: 00007f8ba1ffaf80 R15: 00007ffc67ad0e68
[ 331.954231][ C1]
[ 331.957845][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 331.963870][ C0] NMI backtrace for cpu 0
[ 331.963886][ C0] CPU: 0 PID: 2138 Comm: syz-executor.0 Not tainted syzkaller #0
[ 331.963910][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 331.963919][ C0] RIP: 0010:__pv_queued_spin_lock_slowpath+0x527/0x9c0
[ 331.963947][ 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
[ 331.963961][ C0] RSP: 0018:ffffc90000b67760 EFLAGS: 00000206
[ 331.963976][ C0] RAX: 0000000000000000 RBX: ffff88811d408588 RCX: ffffffff815005c9
[ 331.963988][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88811d408588
[ 331.963998][ C0] RBP: ffffc90000b67850 R08: ffff88811d408588 R09: 1ffff11023a810b1
[ 331.964011][ C0] R10: dffffc0000000000 R11: ffffed1023a810b2 R12: 1ffff1103ee00001
[ 331.964023][ C0] R13: 00000000ffffc53e R14: 1ffff11023a810b1 R15: dffffc0000000000
[ 331.964035][ C0] FS: 00007f8ba1a2d6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 331.964050][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 331.964062][ C0] CR2: 00007f8ba1a2cfd0 CR3: 00000001247a4000 CR4: 00000000003506b0
[ 331.964077][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 331.964086][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 331.964096][ C0] Call Trace:
[ 331.964101][ C0]
[ 331.964110][ C0] ? __pv_queued_spin_unlock_slowpath+0x300/0x300
[ 331.964128][ C0] ? avc_has_perm+0x163/0x250
[ 331.964147][ C0] queued_spin_lock_slowpath+0x47/0x50
[ 331.964165][ C0] _raw_spin_lock_bh+0xe4/0xf0
[ 331.964183][ C0] ? _raw_spin_lock_irq+0xf0/0xf0
[ 331.964200][ C0] ? selinux_socket_sendmsg+0x22f/0x340
[ 331.964220][ C0] lock_sock_nested+0x95/0x2a0
[ 331.964238][ C0] ? sock_init_data+0xc0/0xc0
[ 331.964254][ C0] ? _raw_spin_lock_bh+0x94/0xf0
[ 331.964272][ C0] ? _raw_spin_unlock_bh+0x51/0x60
[ 331.964290][ C0] tipc_sendstream+0x47/0x70
[ 331.964306][ C0] ? tipc_getsockopt+0x4d0/0x4d0
[ 331.964321][ C0] ____sys_sendmsg+0x5b7/0x8f0
[ 331.964336][ C0] ? __sys_sendmsg_sock+0x40/0x40
[ 331.964350][ C0] ? do_handle_mm_fault+0xfac/0x1de0
[ 331.964368][ C0] ? import_iovec+0x7c/0xb0
[ 331.964385][ C0] ___sys_sendmsg+0x236/0x2e0
[ 331.964401][ C0] ? __sys_sendmsg+0x280/0x280
[ 331.964420][ C0] ? __fdget+0x1a1/0x230
[ 331.964438][ C0] __x64_sys_sendmsg+0x206/0x2f0
[ 331.964452][ C0] ? ___sys_sendmsg+0x2e0/0x2e0
[ 331.964468][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0
[ 331.964488][ C0] x64_sys_call+0x4b/0x9a0
[ 331.964504][ C0] do_syscall_64+0x4c/0xa0
[ 331.964522][ C0] ? clear_bhb_loop+0x50/0xa0
[ 331.964536][ C0] ? clear_bhb_loop+0x50/0xa0
[ 331.964550][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 331.964569][ C0] RIP: 0033:0x7f8ba1ebd3b9
[ 331.964583][ 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
[ 331.964596][ C0] RSP: 002b:00007f8ba1a2d0b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 331.964611][ C0] RAX: ffffffffffffffda RBX: 00007f8ba1ffb050 RCX: 00007f8ba1ebd3b9
[ 331.964623][ C0] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000004
[ 331.964633][ C0] RBP: 00007f8ba1f1e498 R08: 0000000000000000 R09: 0000000000000000
[ 331.964643][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 331.964654][ C0] R13: 000000000000000b R14: 00007f8ba1ffb050 R15: 00007ffc67ad0e68
[ 331.964668][ C0]