Warning: Permanently added '10.128.1.223' (ED25519) to the list of known hosts.
2026/02/21 09:12:06 ignoring optional flag "type"="gce"
2026/02/21 09:12:06 parsed 1 programs
[ 40.522254][ T28] kauditd_printk_skb: 18 callbacks suppressed
[ 40.522269][ T28] audit: type=1400 audit(1771665127.005:92): avc: denied { unlink } for pid=331 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"
2026/02/21 09:12:07 executed programs: 0
[ 40.594838][ T331] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 40.657144][ T337] bridge0: port 1(bridge_slave_0) entered blocking state
[ 40.664292][ T337] bridge0: port 1(bridge_slave_0) entered disabled state
[ 40.672081][ T337] device bridge_slave_0 entered promiscuous mode
[ 40.679132][ T337] bridge0: port 2(bridge_slave_1) entered blocking state
[ 40.686621][ T337] bridge0: port 2(bridge_slave_1) entered disabled state
[ 40.694381][ T337] device bridge_slave_1 entered promiscuous mode
[ 40.741039][ T28] audit: type=1400 audit(1771665127.215:93): avc: denied { create } for pid=337 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 40.760929][ T337] bridge0: port 2(bridge_slave_1) entered blocking state
[ 40.761709][ T28] audit: type=1400 audit(1771665127.215:94): avc: denied { write } for pid=337 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 40.768998][ T337] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 40.790277][ T28] audit: type=1400 audit(1771665127.215:95): avc: denied { read } for pid=337 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 40.797013][ T337] bridge0: port 1(bridge_slave_0) entered blocking state
[ 40.824275][ T337] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 40.845109][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 40.852572][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 40.860214][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 40.868010][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 40.877463][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 40.885951][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 40.893011][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 40.902147][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 40.910563][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 40.917731][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 40.930572][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 40.940176][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 40.955181][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 40.967585][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 40.975835][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 40.983756][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 40.992955][ T337] device veth0_vlan entered promiscuous mode
[ 41.003586][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 41.012926][ T337] device veth1_macvtap entered promiscuous mode
[ 41.022737][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 41.033702][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 41.056709][ T28] audit: type=1400 audit(1771665127.535:96): avc: denied { create } for pid=347 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1
[ 41.076811][ T28] audit: type=1400 audit(1771665127.555:97): avc: denied { setopt } for pid=347 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1
[ 41.096795][ T28] audit: type=1400 audit(1771665127.555:98): avc: denied { write } for pid=347 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1
2026/02/21 09:12:12 executed programs: 579
2026/02/21 09:12:17 executed programs: 1231
2026/02/21 09:12:22 executed programs: 1884
2026/02/21 09:12:27 executed programs: 2526
[ 161.221650][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 161.228423][ C1] rcu: 1-...!: (1 GPs behind) idle=7184/1/0x4000000000000000 softirq=17190/17204 fqs=41
[ 161.238446][ C1] (t=10001 jiffies g=10421 q=176 ncpus=2)
[ 161.244364][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 9919 jiffies! g10421 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
[ 161.256614][ C1] rcu: Possible timer handling issue on cpu=0 timer-softirq=2180
[ 161.264439][ C1] rcu: rcu_preempt kthread starved for 9922 jiffies! g10421 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
[ 161.276434][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 161.286595][ C1] rcu: RCU grace-period kthread stack dump:
[ 161.292695][ C1] task:rcu_preempt state:I stack:28352 pid:14 ppid:2 flags:0x00004000
[ 161.301953][ C1] Call Trace:
[ 161.305258][ C1]
[ 161.308325][ C1] __schedule+0xba6/0x1500
[ 161.312764][ C1] ? release_firmware_map_entry+0x190/0x190
[ 161.318767][ C1] schedule+0xbd/0x170
[ 161.322880][ C1] schedule_timeout+0x159/0x340
[ 161.327752][ C1] ? __cfi_schedule_timeout+0x10/0x10
[ 161.333388][ C1] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 161.338977][ C1] ? __cfi_process_timeout+0x10/0x10
[ 161.344425][ C1] ? prepare_to_swait_event+0x308/0x320
[ 161.350028][ C1] rcu_gp_fqs_loop+0x2e9/0x10c0
[ 161.354926][ C1] ? __cfi_rcu_implicit_dynticks_qs+0x10/0x10
[ 161.361220][ C1] ? rcu_gp_init+0xf30/0xf30
[ 161.365928][ C1] rcu_gp_kthread+0x99/0x390
[ 161.370552][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10
[ 161.375857][ C1] ? set_cpus_allowed_ptr+0x88/0xd0
[ 161.381080][ C1] ? __kasan_check_read+0x11/0x20
[ 161.386127][ C1] ? __kthread_parkme+0x142/0x180
[ 161.391166][ C1] kthread+0x281/0x320
[ 161.395242][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10
[ 161.400547][ C1] ? __cfi_kthread+0x10/0x10
[ 161.405166][ C1] ret_from_fork+0x1f/0x30
[ 161.409603][ C1]
[ 161.412642][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 161.419079][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 161.424335][ C0] NMI backtrace for cpu 0
[ 161.424354][ C0] CPU: 0 PID: 8147 Comm: syz-executor.0 Not tainted syzkaller #0
[ 161.424377][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 161.424386][ C0] RIP: 0010:__pv_queued_spin_lock_slowpath+0x591/0xc40
[ 161.424426][ C0] Code: 0f 85 33 01 00 00 41 c6 45 00 00 41 0f b6 04 17 84 c0 0f 85 46 01 00 00 48 8b 44 24 10 c6 00 01 41 bd 00 80 ff ff eb 07 f3 90 <41> ff c5 74 5b 41 0f b6 04 16 84 c0 75 35 80 3b 00 75 eb 48 89 df
[ 161.424441][ C0] RSP: 0018:ffffc900012ff940 EFLAGS: 00000206
[ 161.424457][ C0] RAX: 0000000000000000 RBX: ffff888124d25998 RCX: ffffffff85007792
[ 161.424470][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888124d25998
[ 161.424483][ C0] RBP: ffffc900012ffa30 R08: ffff888124d25998 R09: 1ffff110249a4b33
[ 161.424496][ C0] R10: dffffc0000000000 R11: ffffed10249a4b34 R12: 1ffff1103edc0001
[ 161.424509][ C0] R13: 00000000ffffba24 R14: 1ffff110249a4b33 R15: 1ffff110249a4b33
[ 161.424522][ C0] FS: 000055557c08c480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 161.424538][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 161.424550][ C0] CR2: 00007f53e8bfefd0 CR3: 000000012112b000 CR4: 00000000003506b0
[ 161.424566][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 161.424576][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 161.424587][ C0] Call Trace:
[ 161.424593][ C0]
[ 161.424601][ C0] ? __cfi___pv_queued_spin_lock_slowpath+0x10/0x10
[ 161.424629][ C0] ? unwind_get_return_address+0x4d/0x90
[ 161.424649][ C0] ? __cfi_stack_trace_consume_entry+0x10/0x10
[ 161.424674][ C0] queued_spin_lock_slowpath+0x47/0x50
[ 161.424691][ C0] _raw_spin_lock_bh+0xe4/0xf0
[ 161.424713][ C0] ? __cfi__raw_spin_lock_bh+0x10/0x10
[ 161.424734][ C0] ? stack_trace_save+0xa6/0xf0
[ 161.424756][ C0] ? __stack_depot_save+0x36/0x480
[ 161.424775][ C0] lock_sock_nested+0x90/0x2a0
[ 161.424792][ C0] ? __cfi_lock_sock_nested+0x10/0x10
[ 161.424808][ C0] ? __kasan_record_aux_stack+0xb6/0xc0
[ 161.424834][ C0] ? kasan_record_aux_stack+0xe/0x10
[ 161.424859][ C0] ? task_work_add+0x7f/0x330
[ 161.424879][ C0] ? fput+0xe1/0x1a0
[ 161.424899][ C0] ? close_fd+0x7a/0x90
[ 161.424913][ C0] ? __x64_sys_close+0x39/0x80
[ 161.424936][ C0] ? x64_sys_call+0x8f6/0x9a0
[ 161.424956][ C0] ? do_syscall_64+0x4c/0xa0
[ 161.424978][ C0] ? __cfi_locks_remove_file+0x10/0x10
[ 161.424997][ C0] tipc_release+0xb2/0x1670
[ 161.425018][ C0] ? rwsem_write_trylock+0x136/0x300
[ 161.425045][ C0] ? __cfi_tipc_release+0x10/0x10
[ 161.425068][ C0] sock_close+0xf1/0x290
[ 161.425083][ C0] ? __cfi_sock_close+0x10/0x10
[ 161.425099][ C0] __fput+0x1fc/0x8f0
[ 161.425121][ C0] ____fput+0x15/0x20
[ 161.425140][ C0] task_work_run+0x1e1/0x250
[ 161.425161][ C0] ? __cfi_task_work_run+0x10/0x10
[ 161.425182][ C0] ? fput+0x15b/0x1a0
[ 161.425203][ C0] exit_to_user_mode_loop+0x9b/0xb0
[ 161.425221][ C0] exit_to_user_mode_prepare+0x87/0xd0
[ 161.425245][ C0] syscall_exit_to_user_mode+0x1a/0x30
[ 161.425262][ C0] do_syscall_64+0x58/0xa0
[ 161.425283][ C0] ? clear_bhb_loop+0x30/0x80
[ 161.425298][ C0] ? clear_bhb_loop+0x30/0x80
[ 161.425314][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 161.425339][ C0] RIP: 0033:0x7f53e909169e
[ 161.425359][ C0] Code: 08 0f 85 55 ed ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 90 41 57 41 56 4d 89 c6 41 55 4d 89 cd 41 54 55 53 48 83 ec 08
[ 161.425372][ C0] RSP: 002b:00007fff4c8758b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 161.425388][ C0] RAX: 0000000000000000 RBX: 000055557c08c480 RCX: 00007f53e909169e
[ 161.425400][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 161.425409][ C0] RBP: 00007f53e91ad980 R08: 0000000000000000 R09: 0000000000000000
[ 161.425419][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000f23c
[ 161.425429][ C0] R13: 000000000000ef2d R14: 00007f53e91ac05c R15: 00007f53e9034ef0
[ 161.425444][ C0]
[ 161.426387][ C1] CPU: 1 PID: 8148 Comm: syz-executor.0 Not tainted syzkaller #0
[ 161.833493][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 161.843842][ C1] RIP: 0010:tipc_sk_lookup+0x20e/0x620
[ 161.849433][ C1] Code: 29 d1 31 c8 c1 c1 18 29 c8 41 ff ce 41 21 c6 45 8b 3f 31 ff 44 89 fe e8 70 4e 98 fc 45 85 ff 0f 85 28 02 00 00 e8 42 4a 98 fc <44> 89 f0 48 8b 4c 24 10 48 8d 5c c1 40 48 89 d8 48 83 c8 01 48 89
[ 161.869574][ C1] RSP: 0018:ffffc900010be7e0 EFLAGS: 00000293
[ 161.875792][ C1] RAX: ffffffff84d921ce RBX: 00000000f6c1de59 RCX: ffff88811b49a880
[ 161.883844][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 161.892002][ C1] RBP: ffffc900010be8d0 R08: 0000000000000003 R09: 0000000000000004
[ 161.900160][ C1] R10: dffffc0000000000 R11: fffff52000217d0c R12: dffffc0000000000
[ 161.908140][ C1] R13: ffff8881123a90de R14: 00000000000000db R15: 0000000000000000
[ 161.916313][ C1] FS: 00007f53e9d0a6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 161.925381][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 161.932085][ C1] CR2: 00007f53e90af690 CR3: 000000012112b000 CR4: 00000000003506a0
[ 161.940100][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 161.948193][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 161.956924][ C1] Call Trace:
[ 161.960323][ C1]
[ 161.963279][ C1] ? _raw_spin_lock_bh+0x94/0xf0
[ 161.968241][ C1] ? tipc_sk_rcv+0x2c10/0x2c10
[ 161.973012][ C1] ? tipc_sk_rcv+0x449/0x2c10
[ 161.977711][ C1] tipc_sk_rcv+0x416/0x2c10
[ 161.982315][ C1] ? stack_trace_save+0xa6/0xf0
[ 161.987188][ C1] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 161.993110][ C1] ? __stack_depot_save+0x445/0x480
[ 161.998347][ C1] ? kasan_set_track+0x4b/0x70
[ 162.003299][ C1] ? kasan_save_free_info+0x31/0x50
[ 162.008523][ C1] ? tipc_msg_reverse+0x6db/0x940
[ 162.013579][ C1] ? tipc_sk_rcv+0x7ed/0x2c10
[ 162.018305][ C1] ? sockopt_release_sock+0x95/0x1f0
[ 162.023612][ C1] ? sk_setsockopt+0x1442/0x2730
[ 162.028696][ C1] ? sock_setsockopt+0x5a/0x70
[ 162.033479][ C1] ? __cfi_tipc_sk_rcv+0x10/0x10
[ 162.038527][ C1] tipc_node_xmit+0x26c/0xd90
[ 162.043225][ C1] ? debug_smp_processor_id+0x17/0x20
[ 162.048712][ C1] ? kasan_quarantine_put+0x34/0x190
[ 162.054101][ C1] ? __cfi_tipc_node_xmit+0x10/0x10
[ 162.059312][ C1] ? ____kasan_slab_free+0x13d/0x180
[ 162.064611][ C1] ? __kasan_slab_free+0x11/0x20
[ 162.069742][ C1] tipc_node_distr_xmit+0x2a3/0x3b0
[ 162.075040][ C1] ? __cfi_tipc_node_distr_xmit+0x10/0x10
[ 162.080777][ C1] tipc_sk_rcv+0x1a14/0x2c10
[ 162.085395][ C1] ? __cfi_tipc_sk_rcv+0x10/0x10
[ 162.090446][ C1] tipc_node_xmit+0x26c/0xd90
[ 162.095196][ C1] ? is_bpf_text_address+0x177/0x190
[ 162.100781][ C1] ? __cfi_tipc_node_xmit+0x10/0x10
[ 162.106000][ C1] ? kernel_text_address+0xa0/0xd0
[ 162.111181][ C1] ? __kernel_text_address+0xd/0x30
[ 162.116552][ C1] ? unwind_get_return_address+0x4d/0x90
[ 162.122974][ C1] ? arch_stack_walk+0xfc/0x150
[ 162.127862][ C1] tipc_sk_filter_rcv+0x158e/0x2cf0
[ 162.133124][ C1] ? tipc_sk_publish+0x470/0x470
[ 162.138104][ C1] ? __kasan_check_write+0x14/0x20
[ 162.143234][ C1] ? _raw_spin_lock_bh+0x94/0xf0
[ 162.148211][ C1] tipc_sk_rcv+0x7ed/0x2c10
[ 162.152829][ C1] ? kmem_cache_free+0x12d/0x300
[ 162.157805][ C1] ? tipc_msg_reverse+0x6db/0x940
[ 162.162846][ C1] ? __cfi_tipc_sk_rcv+0x10/0x10
[ 162.167803][ C1] ? tipc_sk_filter_rcv+0x2a82/0x2cf0
[ 162.173227][ C1] tipc_node_xmit+0x26c/0xd90
[ 162.177923][ C1] ? __cfi_tipc_node_xmit+0x10/0x10
[ 162.183152][ C1] tipc_node_distr_xmit+0x2a3/0x3b0
[ 162.188390][ C1] ? __cfi_tipc_node_distr_xmit+0x10/0x10
[ 162.194222][ C1] ? __kasan_check_read+0x11/0x20
[ 162.199274][ C1] ? preempt_schedule_common+0xbe/0xf0
[ 162.204930][ C1] tipc_sk_backlog_rcv+0x17d/0x210
[ 162.210055][ C1] ? __cfi_tipc_sk_backlog_rcv+0x10/0x10
[ 162.215782][ C1] __release_sock+0x154/0x380
[ 162.220574][ C1] sockopt_release_sock+0x95/0x1f0
[ 162.225698][ C1] sk_setsockopt+0x1442/0x2730
[ 162.230488][ C1] ? __cfi_sk_setsockopt+0x10/0x10
[ 162.235628][ C1] ? selinux_socket_setsockopt+0x282/0x360
[ 162.241454][ C1] ? memcpy+0x56/0x70
[ 162.245454][ C1] ? __fget_files+0x2d5/0x330
[ 162.250210][ C1] sock_setsockopt+0x5a/0x70
[ 162.254899][ C1] __sys_setsockopt+0x269/0x4e0
[ 162.259780][ C1] ? __cfi___sys_setsockopt+0x10/0x10
[ 162.265172][ C1] ? __this_cpu_preempt_check+0x13/0x20
[ 162.270736][ C1] ? xfd_validate_state+0x70/0x150
[ 162.275859][ C1] ? __kasan_check_write+0x14/0x20
[ 162.281100][ C1] ? fpregs_restore_userregs+0x128/0x260
[ 162.286746][ C1] __x64_sys_setsockopt+0xbf/0xd0
[ 162.291788][ C1] x64_sys_call+0x124/0x9a0
[ 162.296403][ C1] do_syscall_64+0x4c/0xa0
[ 162.300933][ C1] ? clear_bhb_loop+0x30/0x80
[ 162.305628][ C1] ? clear_bhb_loop+0x30/0x80
[ 162.310339][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 162.316257][ C1] RIP: 0033:0x7f53e906e279
[ 162.320707][ 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
[ 162.340447][ C1] RSP: 002b:00007f53e9d0a0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 162.348867][ C1] RAX: ffffffffffffffda RBX: 00007f53e91abf80 RCX: 00007f53e906e279
[ 162.357458][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
[ 162.365443][ C1] RBP: 00007f53e90cf49c R08: 0000000000000004 R09: 0000000000000000
[ 162.373616][ C1] R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000000
[ 162.381775][ C1] R13: 000000000000000b R14: 00007f53e91abf80 R15: 00007fff4c875838
[ 162.389852][ C1]
[ 309.308911][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 246s! [syz-executor.0:8148]
[ 309.317672][ C1] Modules linked in:
[ 309.321763][ C1] CPU: 1 PID: 8148 Comm: syz-executor.0 Not tainted syzkaller #0
[ 309.329660][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 309.339738][ C1] RIP: 0010:tipc_sk_lookup+0x295/0x620
[ 309.345235][ C1] Code: 0f 44 64 24 28 4c 89 e6 48 83 e6 01 31 ff e8 92 4e 98 fc 4c 89 e0 48 83 e0 01 0f 85 19 01 00 00 48 8b 44 24 48 42 0f b6 04 30 <84> c0 0f 85 30 01 00 00 48 8b 44 24 20 0f b7 30 bf 04 00 00 00 48
[ 309.364881][ C1] RSP: 0018:ffffc900010be7e0 EFLAGS: 00000246
[ 309.371102][ C1] RAX: 0000000000000000 RBX: ffff8881123bc718 RCX: ffff88811b49a880
[ 309.379262][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 309.387243][ C1] RBP: ffffc900010be8d0 R08: 0000000000000003 R09: 0000000000000004
[ 309.395229][ C1] R10: dffffc0000000000 R11: fffff52000217d0c R12: ffff888124d25cf0
[ 309.403221][ C1] R13: ffff8881123a90de R14: dffffc0000000000 R15: 0000000000000000
[ 309.411210][ C1] FS: 00007f53e9d0a6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 309.420146][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 309.426735][ C1] CR2: 00007f53e90af690 CR3: 000000012112b000 CR4: 00000000003506a0
[ 309.434732][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 309.442721][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 309.450703][ C1] Call Trace:
[ 309.454006][ C1]
[ 309.456965][ C1] ? tipc_sk_rcv+0x2c10/0x2c10
[ 309.461756][ C1] ? tipc_sk_rcv+0x449/0x2c10
[ 309.466453][ C1] tipc_sk_rcv+0x416/0x2c10
[ 309.470968][ C1] ? stack_trace_save+0xa6/0xf0
[ 309.475827][ C1] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 309.481650][ C1] ? __stack_depot_save+0x445/0x480
[ 309.486876][ C1] ? kasan_set_track+0x4b/0x70
[ 309.491675][ C1] ? kasan_save_free_info+0x31/0x50
[ 309.496908][ C1] ? tipc_msg_reverse+0x6db/0x940
[ 309.501959][ C1] ? tipc_sk_rcv+0x7ed/0x2c10
[ 309.506654][ C1] ? sockopt_release_sock+0x95/0x1f0
[ 309.512139][ C1] ? sk_setsockopt+0x1442/0x2730
[ 309.517180][ C1] ? sock_setsockopt+0x5a/0x70
[ 309.521969][ C1] ? __cfi_tipc_sk_rcv+0x10/0x10
[ 309.526927][ C1] tipc_node_xmit+0x26c/0xd90
[ 309.531632][ C1] ? debug_smp_processor_id+0x17/0x20
[ 309.537127][ C1] ? kasan_quarantine_put+0x34/0x190
[ 309.542474][ C1] ? __cfi_tipc_node_xmit+0x10/0x10
[ 309.547685][ C1] ? ____kasan_slab_free+0x13d/0x180
[ 309.552986][ C1] ? __kasan_slab_free+0x11/0x20
[ 309.557939][ C1] tipc_node_distr_xmit+0x2a3/0x3b0
[ 309.563235][ C1] ? __cfi_tipc_node_distr_xmit+0x10/0x10
[ 309.568964][ C1] tipc_sk_rcv+0x1a14/0x2c10
[ 309.573570][ C1] ? __cfi_tipc_sk_rcv+0x10/0x10
[ 309.578627][ C1] tipc_node_xmit+0x26c/0xd90
[ 309.583481][ C1] ? is_bpf_text_address+0x177/0x190
[ 309.588871][ C1] ? __cfi_tipc_node_xmit+0x10/0x10
[ 309.594079][ C1] ? kernel_text_address+0xa0/0xd0
[ 309.599209][ C1] ? __kernel_text_address+0xd/0x30
[ 309.604426][ C1] ? unwind_get_return_address+0x4d/0x90
[ 309.610217][ C1] ? arch_stack_walk+0xfc/0x150
[ 309.615135][ C1] tipc_sk_filter_rcv+0x158e/0x2cf0
[ 309.620453][ C1] ? tipc_sk_publish+0x470/0x470
[ 309.625408][ C1] ? __kasan_check_write+0x14/0x20
[ 309.630530][ C1] ? _raw_spin_lock_bh+0x94/0xf0
[ 309.635770][ C1] tipc_sk_rcv+0x7ed/0x2c10
[ 309.640300][ C1] ? kmem_cache_free+0x12d/0x300
[ 309.645346][ C1] ? tipc_msg_reverse+0x6db/0x940
[ 309.650465][ C1] ? __cfi_tipc_sk_rcv+0x10/0x10
[ 309.655407][ C1] ? tipc_sk_filter_rcv+0x2a82/0x2cf0
[ 309.660800][ C1] tipc_node_xmit+0x26c/0xd90
[ 309.665487][ C1] ? __cfi_tipc_node_xmit+0x10/0x10
[ 309.670700][ C1] tipc_node_distr_xmit+0x2a3/0x3b0
[ 309.675906][ C1] ? __cfi_tipc_node_distr_xmit+0x10/0x10
[ 309.681993][ C1] ? __kasan_check_read+0x11/0x20
[ 309.687035][ C1] ? preempt_schedule_common+0xbe/0xf0
[ 309.692514][ C1] tipc_sk_backlog_rcv+0x17d/0x210
[ 309.697639][ C1] ? __cfi_tipc_sk_backlog_rcv+0x10/0x10
[ 309.703287][ C1] __release_sock+0x154/0x380
[ 309.707981][ C1] sockopt_release_sock+0x95/0x1f0
[ 309.713109][ C1] sk_setsockopt+0x1442/0x2730
[ 309.717885][ C1] ? __cfi_sk_setsockopt+0x10/0x10
[ 309.723003][ C1] ? selinux_socket_setsockopt+0x282/0x360
[ 309.728931][ C1] ? memcpy+0x56/0x70
[ 309.732916][ C1] ? __fget_files+0x2d5/0x330
[ 309.737626][ C1] sock_setsockopt+0x5a/0x70
[ 309.742224][ C1] __sys_setsockopt+0x269/0x4e0
[ 309.747098][ C1] ? __cfi___sys_setsockopt+0x10/0x10
[ 309.752574][ C1] ? __this_cpu_preempt_check+0x13/0x20
[ 309.758131][ C1] ? xfd_validate_state+0x70/0x150
[ 309.763340][ C1] ? __kasan_check_write+0x14/0x20
[ 309.768463][ C1] ? fpregs_restore_userregs+0x128/0x260
[ 309.774185][ C1] __x64_sys_setsockopt+0xbf/0xd0
[ 309.779229][ C1] x64_sys_call+0x124/0x9a0
[ 309.783745][ C1] do_syscall_64+0x4c/0xa0
[ 309.788380][ C1] ? clear_bhb_loop+0x30/0x80
[ 309.793145][ C1] ? clear_bhb_loop+0x30/0x80
[ 309.797858][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 309.803763][ C1] RIP: 0033:0x7f53e906e279
[ 309.808322][ 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
[ 309.828055][ C1] RSP: 002b:00007f53e9d0a0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 309.836751][ C1] RAX: ffffffffffffffda RBX: 00007f53e91abf80 RCX: 00007f53e906e279
[ 309.844744][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
[ 309.852910][ C1] RBP: 00007f53e90cf49c R08: 0000000000000004 R09: 0000000000000000
[ 309.860915][ C1] R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000000
[ 309.868885][ C1] R13: 000000000000000b R14: 00007f53e91abf80 R15: 00007fff4c875838
[ 309.876867][ C1]
[ 309.879917][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 309.885145][ C0] NMI backtrace for cpu 0
[ 309.885159][ C0] CPU: 0 PID: 8147 Comm: syz-executor.0 Not tainted syzkaller #0
[ 309.885175][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 309.885185][ C0] RIP: 0010:__pv_queued_spin_lock_slowpath+0x591/0xc40
[ 309.885218][ C0] Code: 0f 85 33 01 00 00 41 c6 45 00 00 41 0f b6 04 17 84 c0 0f 85 46 01 00 00 48 8b 44 24 10 c6 00 01 41 bd 00 80 ff ff eb 07 f3 90 <41> ff c5 74 5b 41 0f b6 04 16 84 c0 75 35 80 3b 00 75 eb 48 89 df
[ 309.885231][ C0] RSP: 0018:ffffc900012ff940 EFLAGS: 00000206
[ 309.885246][ C0] RAX: 0000000000000000 RBX: ffff888124d25998 RCX: ffffffff85007792
[ 309.885258][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888124d25998
[ 309.885269][ C0] RBP: ffffc900012ffa30 R08: ffff888124d25998 R09: 1ffff110249a4b33
[ 309.885282][ C0] R10: dffffc0000000000 R11: ffffed10249a4b34 R12: 1ffff1103edc0001
[ 309.885294][ C0] R13: 00000000ffffd177 R14: 1ffff110249a4b33 R15: 1ffff110249a4b33
[ 309.885306][ C0] FS: 000055557c08c480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 309.885321][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 309.885332][ C0] CR2: 00007f53e8bfefd0 CR3: 000000012112b000 CR4: 00000000003506b0
[ 309.885347][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 309.885356][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 309.885366][ C0] Call Trace:
[ 309.885371][ C0]
[ 309.885380][ C0] ? __cfi___pv_queued_spin_lock_slowpath+0x10/0x10
[ 309.885406][ C0] ? unwind_get_return_address+0x4d/0x90
[ 309.885426][ C0] ? __cfi_stack_trace_consume_entry+0x10/0x10
[ 309.885450][ C0] queued_spin_lock_slowpath+0x47/0x50
[ 309.885466][ C0] _raw_spin_lock_bh+0xe4/0xf0
[ 309.885488][ C0] ? __cfi__raw_spin_lock_bh+0x10/0x10
[ 309.885508][ C0] ? stack_trace_save+0xa6/0xf0
[ 309.885539][ C0] ? __stack_depot_save+0x36/0x480
[ 309.885557][ C0] lock_sock_nested+0x90/0x2a0
[ 309.885573][ C0] ? __cfi_lock_sock_nested+0x10/0x10
[ 309.885588][ C0] ? __kasan_record_aux_stack+0xb6/0xc0
[ 309.885614][ C0] ? kasan_record_aux_stack+0xe/0x10
[ 309.885638][ C0] ? task_work_add+0x7f/0x330
[ 309.885657][ C0] ? fput+0xe1/0x1a0
[ 309.885676][ C0] ? close_fd+0x7a/0x90
[ 309.885690][ C0] ? __x64_sys_close+0x39/0x80
[ 309.885712][ C0] ? x64_sys_call+0x8f6/0x9a0
[ 309.885732][ C0] ? do_syscall_64+0x4c/0xa0
[ 309.885753][ C0] ? __cfi_locks_remove_file+0x10/0x10
[ 309.885771][ C0] tipc_release+0xb2/0x1670
[ 309.885793][ C0] ? rwsem_write_trylock+0x136/0x300
[ 309.885819][ C0] ? __cfi_tipc_release+0x10/0x10
[ 309.885841][ C0] sock_close+0xf1/0x290
[ 309.885857][ C0] ? __cfi_sock_close+0x10/0x10
[ 309.885872][ C0] __fput+0x1fc/0x8f0
[ 309.885893][ C0] ____fput+0x15/0x20
[ 309.885911][ C0] task_work_run+0x1e1/0x250
[ 309.885932][ C0] ? __cfi_task_work_run+0x10/0x10
[ 309.885951][ C0] ? fput+0x15b/0x1a0
[ 309.885971][ C0] exit_to_user_mode_loop+0x9b/0xb0
[ 309.885989][ C0] exit_to_user_mode_prepare+0x87/0xd0
[ 309.886006][ C0] syscall_exit_to_user_mode+0x1a/0x30
[ 309.886023][ C0] do_syscall_64+0x58/0xa0
[ 309.886043][ C0] ? clear_bhb_loop+0x30/0x80
[ 309.886059][ C0] ? clear_bhb_loop+0x30/0x80
[ 309.886075][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 309.886100][ C0] RIP: 0033:0x7f53e909169e
[ 309.886113][ C0] Code: 08 0f 85 55 ed ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 90 41 57 41 56 4d 89 c6 41 55 4d 89 cd 41 54 55 53 48 83 ec 08
[ 309.886126][ C0] RSP: 002b:00007fff4c8758b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 309.886141][ C0] RAX: 0000000000000000 RBX: 000055557c08c480 RCX: 00007f53e909169e
[ 309.886152][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 309.886161][ C0] RBP: 00007f53e91ad980 R08: 0000000000000000 R09: 0000000000000000
[ 309.886172][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000f23c
[ 309.886182][ C0] R13: 000000000000ef2d R14: 00007f53e91ac05c R15: 00007f53e9034ef0
[ 309.886196][ C0]