Warning: Permanently added '10.128.1.187' (ED25519) to the list of known hosts.
2026/02/16 10:45:22 ignoring optional flag "type"="gce"
2026/02/16 10:45:22 parsed 1 programs
[ 38.360052][ T24] kauditd_printk_skb: 18 callbacks suppressed
[ 38.360063][ T24] audit: type=1400 audit(1771238722.430:92): avc: denied { unlink } for pid=317 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"
2026/02/16 10:45:22 executed programs: 0
[ 38.408611][ T317] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 38.455985][ T324] bridge0: port 1(bridge_slave_0) entered blocking state
[ 38.463399][ T324] bridge0: port 1(bridge_slave_0) entered disabled state
[ 38.471030][ T324] device bridge_slave_0 entered promiscuous mode
[ 38.478032][ T324] bridge0: port 2(bridge_slave_1) entered blocking state
[ 38.485532][ T324] bridge0: port 2(bridge_slave_1) entered disabled state
[ 38.493142][ T324] device bridge_slave_1 entered promiscuous mode
[ 38.525038][ T324] bridge0: port 2(bridge_slave_1) entered blocking state
[ 38.532289][ T324] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 38.539652][ T324] bridge0: port 1(bridge_slave_0) entered blocking state
[ 38.546810][ T324] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 38.563124][ T7] bridge0: port 1(bridge_slave_0) entered disabled state
[ 38.571046][ T7] bridge0: port 2(bridge_slave_1) entered disabled state
[ 38.578753][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 38.587128][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 38.596279][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 38.604636][ T7] bridge0: port 1(bridge_slave_0) entered blocking state
[ 38.611843][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 38.620983][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 38.629843][ T7] bridge0: port 2(bridge_slave_1) entered blocking state
[ 38.637058][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 38.648403][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 38.658800][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 38.671867][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 38.683218][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 38.691919][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 38.699302][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 38.707758][ T324] device veth0_vlan entered promiscuous mode
[ 38.717405][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 38.726439][ T324] device veth1_macvtap entered promiscuous mode
[ 38.735442][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 38.745379][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 38.765552][ T24] audit: type=1400 audit(1771238722.840:93): avc: denied { create } for pid=328 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1
[ 38.785961][ T24] audit: type=1400 audit(1771238722.840:94): avc: denied { write } for pid=328 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1
[ 38.806076][ T24] audit: type=1400 audit(1771238722.840:95): avc: denied { setopt } for pid=328 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1
2026/02/16 10:45:27 executed programs: 623
[ 144.531169][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 144.538494][ C1] rcu: 1-...!: (10000 ticks this GP) idle=22a/1/0x4000000000000000 softirq=5496/5496 fqs=0 last_accelerate: 9be3/c2f3 dyntick_enabled: 1
[ 144.552938][ C1] (t=10000 jiffies g=3465 q=259)
[ 144.558243][ C1] rcu: rcu_preempt kthread starved for 10000 jiffies! g3465 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
[ 144.569718][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 144.579876][ C1] rcu: RCU grace-period kthread stack dump:
[ 144.585958][ C1] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000
[ 144.595627][ C1] Call Trace:
[ 144.599289][ C1] __schedule+0xb53/0x1320
[ 144.604227][ C1] ? __sched_text_start+0x8/0x8
[ 144.609356][ C1] ? __mod_timer+0x7da/0xb50
[ 144.613960][ C1] schedule+0x13c/0x1d0
[ 144.618257][ C1] schedule_timeout+0x159/0x330
[ 144.623244][ C1] ? console_conditional_schedule+0x10/0x10
[ 144.629542][ C1] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 144.635295][ C1] ? run_local_timers+0x160/0x160
[ 144.640484][ C1] ? prepare_to_swait_event+0x320/0x340
[ 144.646644][ C1] rcu_gp_kthread+0x1045/0x2730
[ 144.651716][ C1] ? rcu_barrier_callback+0x50/0x50
[ 144.657185][ C1] ? __kasan_check_read+0x11/0x20
[ 144.662272][ C1] ? __kthread_parkme+0xb9/0x1c0
[ 144.667876][ C1] kthread+0x346/0x3d0
[ 144.672127][ C1] ? rcu_barrier_callback+0x50/0x50
[ 144.677665][ C1] ? kthread_blkcg+0xd0/0xd0
[ 144.682464][ C1] ret_from_fork+0x1f/0x30
[ 144.686892][ C1] NMI backtrace for cpu 1
[ 144.691211][ C1] CPU: 1 PID: 2648 Comm: syz-executor.0 Not tainted syzkaller #0
[ 144.699275][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 144.709536][ C1] Call Trace:
[ 144.713343][ C1]
[ 144.716205][ C1] __dump_stack+0x21/0x24
[ 144.720814][ C1] dump_stack_lvl+0x1a7/0x208
[ 144.725733][ C1] ? show_regs_print_info+0x18/0x18
[ 144.730917][ C1] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 144.736609][ C1] ? _raw_spin_lock+0xf0/0xf0
[ 144.741566][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 144.747933][ C1] dump_stack+0x15/0x1c
[ 144.752293][ C1] nmi_trigger_cpumask_backtrace+0x27f/0x2c0
[ 144.758309][ C1] arch_trigger_cpumask_backtrace+0x10/0x20
[ 144.764293][ C1] rcu_dump_cpu_stacks+0x19c/0x2c0
[ 144.769654][ C1] rcu_sched_clock_irq+0xf88/0x1880
[ 144.774841][ C1] ? rcutree_dead_cpu+0x310/0x310
[ 144.779858][ C1] ? hrtimer_run_queues+0x166/0x430
[ 144.785147][ C1] update_process_times+0x198/0x200
[ 144.790422][ C1] tick_sched_timer+0x17c/0x240
[ 144.795251][ C1] ? tick_setup_sched_timer+0x450/0x450
[ 144.800775][ C1] __hrtimer_run_queues+0x380/0x970
[ 144.805955][ C1] ? hrtimer_interrupt+0xdc0/0xdc0
[ 144.811043][ C1] ? ktime_get_update_offsets_now+0x293/0x2b0
[ 144.817104][ C1] hrtimer_interrupt+0x3a6/0xdc0
[ 144.822337][ C1] __sysvec_apic_timer_interrupt+0xfa/0x3f0
[ 144.828877][ C1] asm_call_irq_on_stack+0xf/0x20
[ 144.834598][ C1]
[ 144.837530][ C1] sysvec_apic_timer_interrupt+0x85/0xe0
[ 144.843260][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 144.849522][ C1] RIP: 0010:__raw_callee_save___pv_queued_spin_unlock+0x10/0x17
[ 144.857509][ C1] Code: 41 51 41 52 41 53 e8 6b 08 00 00 41 5b 41 5a 41 59 41 58 5f 5e 5a 59 5d c3 90 55 48 89 e5 52 b8 01 00 00 00 31 d2 f0 0f b0 17 <3c> 01 75 03 5a 5d c3 56 0f b6 f0 e8 bc ff ff ff 5e 5a 5d c3 0f 1f
[ 144.879424][ C1] RSP: 0018:ffffc90001d467f0 EFLAGS: 00000246
[ 144.886249][ C1] RAX: 0000000000000001 RBX: dffffc0000000000 RCX: dffffc0000000000
[ 144.894631][ C1] RDX: 0000000000000000 RSI: 0000000065fc8a77 RDI: ffffc90001d46c94
[ 144.902797][ C1] RBP: ffffc90001d467f8 R08: 0000000000000003 R09: 0000000000000004
[ 144.911187][ C1] R10: dffffc0000000000 R11: fffff520003a8cf4 R12: ffffc90001d46c80
[ 144.919384][ C1] R13: ffff8881143a0f01 R14: 0000000065fc8a77 R15: 0000000065fc8a77
[ 144.928026][ C1] _raw_spin_unlock_bh+0x41/0x60
[ 144.933201][ C1] tipc_sk_rcv+0x33d/0x1dc0
[ 144.938069][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 144.944375][ C1] ? __stack_depot_save+0x47d/0x4c0
[ 144.950194][ C1] ? kasan_set_track+0x5b/0x70
[ 144.955062][ C1] ? kasan_set_track+0x4a/0x70
[ 144.960432][ C1] ? ____kasan_slab_free+0x125/0x160
[ 144.966373][ C1] ? __kasan_slab_free+0x11/0x20
[ 144.972202][ C1] ? slab_free_freelist_hook+0xc5/0x190
[ 144.978364][ C1] ? kmem_cache_free+0x100/0x2d0
[ 144.983496][ C1] ? tipc_node_distr_xmit+0x2a3/0x3b0
[ 144.988946][ C1] ? tipc_sk_backlog_rcv+0x17d/0x210
[ 144.994259][ C1] ? __release_sock+0x146/0x360
[ 144.999302][ C1] ? __sys_setsockopt+0x272/0x480
[ 145.004592][ C1] ? __skb_queue_purge+0x170/0x170
[ 145.009869][ C1] tipc_node_xmit+0x26c/0xd80
[ 145.014817][ C1] ? debug_smp_processor_id+0x17/0x20
[ 145.020195][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0
[ 145.026190][ C1] ? ____kasan_slab_free+0x130/0x160
[ 145.031824][ C1] ? __kasan_slab_free+0x11/0x20
[ 145.037038][ C1] ? kfree_skbmem+0x10c/0x180
[ 145.042712][ C1] tipc_node_distr_xmit+0x2a3/0x3b0
[ 145.048511][ C1] ? tipc_node_xmit_skb+0x150/0x150
[ 145.053984][ C1] ? trace_tipc_sk_rej_msg+0x2c/0x6d0
[ 145.059365][ C1] tipc_sk_rcv+0x18ed/0x1dc0
[ 145.064185][ C1] ? __skb_queue_purge+0x170/0x170
[ 145.069558][ C1] tipc_node_xmit+0x26c/0xd80
[ 145.074348][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0
[ 145.080427][ C1] tipc_sk_push_backlog+0x4dd/0x790
[ 145.085853][ C1] tipc_sk_proto_rcv+0xa65/0x1af0
[ 145.091441][ C1] ? trace_tipc_sk_dump+0x6c0/0x6c0
[ 145.096940][ C1] tipc_sk_filter_rcv+0x315a/0x3910
[ 145.102916][ C1] ? stack_trace_snprint+0xf0/0xf0
[ 145.108005][ C1] ? kasan_set_track+0x5b/0x70
[ 145.112963][ C1] ? kasan_set_track+0x5b/0x70
[ 145.117943][ C1] ? kasan_set_track+0x4a/0x70
[ 145.122780][ C1] ? kasan_set_free_info+0x23/0x40
[ 145.128070][ C1] ? ____kasan_slab_free+0x125/0x160
[ 145.133781][ C1] ? __kasan_slab_free+0x11/0x20
[ 145.139070][ C1] ? slab_free_freelist_hook+0xc5/0x190
[ 145.145032][ C1] ? kmem_cache_free+0x100/0x2d0
[ 145.150826][ C1] ? kfree_skbmem+0x10c/0x180
[ 145.155499][ C1] ? tipc_msg_reverse+0x698/0x900
[ 145.160532][ C1] ? tipc_sk_filter_rcv+0xcd2/0x3910
[ 145.166288][ C1] ? tipc_sk_backlog_rcv+0x117/0x210
[ 145.172038][ C1] ? __release_sock+0x146/0x360
[ 145.177077][ C1] ? sock_setsockopt+0x1840/0x2680
[ 145.182424][ C1] ? __x64_sys_setsockopt+0xbf/0xd0
[ 145.187981][ C1] ? do_syscall_64+0x31/0x40
[ 145.192718][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 145.198926][ C1] ? tipc_sk_dump+0xfc0/0xfc0
[ 145.203932][ C1] ? __kasan_check_write+0x14/0x20
[ 145.209706][ C1] ? _raw_spin_lock_bh+0x94/0xf0
[ 145.215351][ C1] tipc_sk_rcv+0x742/0x1dc0
[ 145.219996][ C1] ? kfree_skbmem+0x10c/0x180
[ 145.224842][ C1] ? __skb_queue_purge+0x170/0x170
[ 145.230105][ C1] ? tipc_sk_filter_rcv+0x30d7/0x3910
[ 145.235572][ C1] tipc_node_xmit+0x26c/0xd80
[ 145.240570][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0
[ 145.246397][ C1] tipc_node_distr_xmit+0x2a3/0x3b0
[ 145.251848][ C1] ? tipc_node_xmit_skb+0x150/0x150
[ 145.257387][ C1] tipc_sk_backlog_rcv+0x17d/0x210
[ 145.262629][ C1] ? tipc_sk_timeout+0x990/0x990
[ 145.267654][ C1] ? __local_bh_enable_ip+0x53/0x80
[ 145.272842][ C1] ? lock_sock_nested+0x21c/0x2a0
[ 145.277931][ C1] ? _raw_spin_unlock+0x4d/0x70
[ 145.282848][ C1] __release_sock+0x146/0x360
[ 145.287507][ C1] sock_setsockopt+0x1840/0x2680
[ 145.292685][ C1] ? __sock_set_mark+0x160/0x160
[ 145.297742][ C1] ? selinux_socket_setsockopt+0x282/0x360
[ 145.303707][ C1] ? selinux_socket_getsockopt+0x340/0x340
[ 145.309594][ C1] ? __kasan_check_write+0x14/0x20
[ 145.314983][ C1] ? __fget_files+0x2c4/0x320
[ 145.319811][ C1] ? security_socket_setsockopt+0x82/0xa0
[ 145.325724][ C1] __sys_setsockopt+0x272/0x480
[ 145.330776][ C1] ? __ia32_sys_recv+0xb0/0xb0
[ 145.335622][ C1] __x64_sys_setsockopt+0xbf/0xd0
[ 145.341058][ C1] do_syscall_64+0x31/0x40
[ 145.345528][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 145.352035][ C1] RIP: 0033:0x7ffba01c53f9
[ 145.356536][ 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
[ 145.376833][ C1] RSP: 002b:00007ffb9fd350b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 145.385680][ C1] RAX: ffffffffffffffda RBX: 00007ffba0303050 RCX: 00007ffba01c53f9
[ 145.394243][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
[ 145.402952][ C1] RBP: 00007ffba0226498 R08: 0000000000000004 R09: 0000000000000000
[ 145.411196][ C1] R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000
[ 145.419383][ C1] R13: 000000000000000b R14: 00007ffba0303050 R15: 00007ffd2d18eb08
[ 177.013092][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.0:2647]
[ 177.021898][ C0] Modules linked in:
[ 177.025834][ C0] CPU: 0 PID: 2647 Comm: syz-executor.0 Not tainted syzkaller #0
[ 177.033727][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 177.044193][ C0] RIP: 0010:kvm_wait+0xce/0x130
[ 177.049127][ 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
[ 177.069242][ C0] RSP: 0018:ffffc90001d276e0 EFLAGS: 00000246
[ 177.075415][ C0] RAX: 0000000000000003 RBX: ffff8881143a0f88 RCX: ffffffff814bed9a
[ 177.084024][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff8881143a0f88
[ 177.092369][ C0] RBP: ffffc90001d27790 R08: ffff8881143a0f88 R09: 1ffff110228741f1
[ 177.100648][ C0] R10: dffffc0000000000 R11: ffffed10228741f2 R12: 0000000000000246
[ 177.108894][ C0] R13: 1ffff110228741f1 R14: dffffc0000000000 R15: 1ffff920003a4ee0
[ 177.117159][ C0] FS: 00007ffb9fd566c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 177.126621][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 177.133806][ C0] CR2: 0000000020000000 CR3: 000000011f663000 CR4: 00000000003506b0
[ 177.142693][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 177.151048][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 177.159147][ C0] Call Trace:
[ 177.162455][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 177.168770][ C0] ? kvm_arch_para_hints+0x30/0x30
[ 177.174113][ C0] ? __pv_queued_spin_lock_slowpath+0x6ba/0xb70
[ 177.180554][ C0] __pv_queued_spin_lock_slowpath+0x714/0xb70
[ 177.187046][ C0] ? __pv_queued_spin_unlock_slowpath+0x280/0x280
[ 177.193677][ C0] queued_spin_lock_slowpath+0x47/0x50
[ 177.199168][ C0] _raw_spin_lock_bh+0xe4/0xf0
[ 177.203942][ C0] ? _raw_spin_lock_irq+0xf0/0xf0
[ 177.209169][ C0] ? selinux_socket_sendmsg+0x22f/0x340
[ 177.214817][ C0] lock_sock_nested+0x90/0x2a0
[ 177.219589][ C0] ? sock_init_data+0xc0/0xc0
[ 177.224451][ C0] ? _raw_spin_lock_bh+0x94/0xf0
[ 177.229568][ C0] ? _raw_spin_unlock_bh+0x51/0x60
[ 177.234764][ C0] tipc_sendstream+0x47/0x70
[ 177.239472][ C0] ? tipc_getsockopt+0x4d0/0x4d0
[ 177.244592][ C0] ____sys_sendmsg+0x5b7/0x8f0
[ 177.249594][ C0] ? __sys_sendmsg_sock+0x40/0x40
[ 177.254747][ C0] ? import_iovec+0x7c/0xb0
[ 177.259436][ C0] ___sys_sendmsg+0x236/0x2e0
[ 177.264398][ C0] ? __sys_sendmsg+0x280/0x280
[ 177.269363][ C0] ? memcpy+0x56/0x70
[ 177.273531][ C0] ? __fdget+0x1a1/0x230
[ 177.277876][ C0] __x64_sys_sendmsg+0x1f9/0x2c0
[ 177.282825][ C0] ? __kasan_check_write+0x14/0x20
[ 177.287994][ C0] ? ___sys_sendmsg+0x2e0/0x2e0
[ 177.293053][ C0] ? debug_smp_processor_id+0x17/0x20
[ 177.298686][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0
[ 177.304752][ C0] ? exit_to_user_mode_prepare+0x2f/0xa0
[ 177.310382][ C0] do_syscall_64+0x31/0x40
[ 177.314988][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 177.320927][ C0] RIP: 0033:0x7ffba01c53f9
[ 177.325358][ 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
[ 177.345181][ C0] RSP: 002b:00007ffb9fd560b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 177.354537][ C0] RAX: ffffffffffffffda RBX: 00007ffba0302f80 RCX: 00007ffba01c53f9
[ 177.362939][ C0] RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000004
[ 177.371444][ C0] RBP: 00007ffba0226498 R08: 0000000000000000 R09: 0000000000000000
[ 177.379531][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 177.388342][ C0] R13: 000000000000000b R14: 00007ffba0302f80 R15: 00007ffd2d18eb08
[ 177.396797][ C0] Sending NMI from CPU 0 to CPUs 1:
[ 177.403243][ C1] NMI backtrace for cpu 1
[ 177.403248][ C1] CPU: 1 PID: 2648 Comm: syz-executor.0 Not tainted syzkaller #0
[ 177.403253][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 177.403257][ C1] RIP: 0010:preempt_count_sub+0x6a/0x170
[ 177.403321][ C1] Code: 39 cf 7f 27 81 ff ff 00 00 00 0f 93 c1 84 c0 0f 95 c0 08 c8 74 55 65 8b 05 2f 9b bd 7e f7 df 65 01 3d 26 9b bd 7e 5b 41 5e 5d e8 d0 d4 f6 00 85 c0 74 f2 48 c7 c0 c8 a0 c3 86 48 c1 e8 03 0f
[ 177.403336][ C1] RSP: 0018:ffffc90001d46768 EFLAGS: 00000213
[ 177.403345][ C1] RAX: 0000000000000202 RBX: ffff8881143a0f88 RCX: 0000000000000200
[ 177.403349][ C1] RDX: 0000000000000000 RSI: 0000000000000201 RDI: 00000000ffffffff
[ 177.403353][ C1] RBP: ffffc90001d46770 R08: ffff8881143a0f8b R09: 1ffff110228741f1
[ 177.403358][ C1] R10: dffffc0000000000 R11: ffffed10228741f2 R12: dffffc0000000000
[ 177.403362][ C1] R13: 1ffff920003a8cf0 R14: ffffffff8467858a R15: 0000000065fc8a77
[ 177.403367][ C1] FS: 00007ffb9fd356c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 177.403371][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 177.403375][ C1] CR2: 00007ffb9fd34fd0 CR3: 000000011f663000 CR4: 00000000003506a0
[ 177.403379][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 177.403383][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 177.403386][ C1] Call Trace:
[ 177.403389][ C1] ? __local_bh_enable_ip+0x53/0x80
[ 177.403392][ C1] _raw_spin_trylock_bh+0xe5/0x150
[ 177.403395][ C1] ? _raw_spin_trylock+0x150/0x150
[ 177.403398][ C1] tipc_sk_rcv+0x37a/0x1dc0
[ 177.403401][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 177.403409][ C1] ? __stack_depot_save+0x47d/0x4c0
[ 177.403412][ C1] ? kasan_set_track+0x5b/0x70
[ 177.403415][ C1] ? kasan_set_track+0x4a/0x70
[ 177.403418][ C1] ? ____kasan_slab_free+0x125/0x160
[ 177.403421][ C1] ? __kasan_slab_free+0x11/0x20
[ 177.403424][ C1] ? slab_free_freelist_hook+0xc5/0x190
[ 177.403427][ C1] ? kmem_cache_free+0x100/0x2d0
[ 177.403430][ C1] ? tipc_node_distr_xmit+0x2a3/0x3b0
[ 177.403434][ C1] ? tipc_sk_backlog_rcv+0x17d/0x210
[ 177.403437][ C1] ? __release_sock+0x146/0x360
[ 177.403440][ C1] ? __sys_setsockopt+0x272/0x480
[ 177.403443][ C1] ? __skb_queue_purge+0x170/0x170
[ 177.403446][ C1] tipc_node_xmit+0x26c/0xd80
[ 177.403449][ C1] ? debug_smp_processor_id+0x17/0x20
[ 177.403452][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0
[ 177.403456][ C1] ? ____kasan_slab_free+0x130/0x160
[ 177.403459][ C1] ? __kasan_slab_free+0x11/0x20
[ 177.403462][ C1] ? kfree_skbmem+0x10c/0x180
[ 177.403464][ C1] tipc_node_distr_xmit+0x2a3/0x3b0
[ 177.403467][ C1] ? tipc_node_xmit_skb+0x150/0x150
[ 177.403470][ C1] ? trace_tipc_sk_rej_msg+0x2c/0x6d0
[ 177.403473][ C1] tipc_sk_rcv+0x18ed/0x1dc0
[ 177.403475][ C1] ? __skb_queue_purge+0x170/0x170
[ 177.403478][ C1] tipc_node_xmit+0x26c/0xd80
[ 177.403481][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0
[ 177.403484][ C1] tipc_sk_push_backlog+0x4dd/0x790
[ 177.403492][ C1] tipc_sk_proto_rcv+0xa65/0x1af0
[ 177.403495][ C1] ? trace_tipc_sk_dump+0x6c0/0x6c0
[ 177.403498][ C1] tipc_sk_filter_rcv+0x315a/0x3910
[ 177.403501][ C1] ? stack_trace_snprint+0xf0/0xf0
[ 177.403503][ C1] ? kasan_set_track+0x5b/0x70
[ 177.403506][ C1] ? kasan_set_track+0x5b/0x70
[ 177.403508][ C1] ? kasan_set_track+0x4a/0x70
[ 177.403515][ C1] ? kasan_set_free_info+0x23/0x40
[ 177.403518][ C1] ? ____kasan_slab_free+0x125/0x160
[ 177.403520][ C1] ? __kasan_slab_free+0x11/0x20
[ 177.403523][ C1] ? slab_free_freelist_hook+0xc5/0x190
[ 177.403526][ C1] ? kmem_cache_free+0x100/0x2d0
[ 177.403528][ C1] ? kfree_skbmem+0x10c/0x180
[ 177.403531][ C1] ? tipc_msg_reverse+0x698/0x900
[ 177.403534][ C1] ? tipc_sk_filter_rcv+0xcd2/0x3910
[ 177.403536][ C1] ? tipc_sk_backlog_rcv+0x117/0x210
[ 177.403539][ C1] ? __release_sock+0x146/0x360
[ 177.403542][ C1] ? sock_setsockopt+0x1840/0x2680
[ 177.403544][ C1] ? __x64_sys_setsockopt+0xbf/0xd0
[ 177.403547][ C1] ? do_syscall_64+0x31/0x40
[ 177.403550][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 177.403553][ C1] ? tipc_sk_dump+0xfc0/0xfc0
[ 177.403627][ C1] ? __kasan_check_write+0x14/0x20
[ 177.403634][ C1] ? _raw_spin_lock_bh+0x94/0xf0
[ 177.403636][ C1] tipc_sk_rcv+0x742/0x1dc0
[ 177.403639][ C1] ? kfree_skbmem+0x10c/0x180
[ 177.403642][ C1] ? __skb_queue_purge+0x170/0x170
[ 177.403646][ C1] ? tipc_sk_filter_rcv+0x30d7/0x3910
[ 177.403649][ C1] tipc_node_xmit+0x26c/0xd80
[ 177.403651][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0
[ 177.403654][ C1] tipc_node_distr_xmit+0x2a3/0x3b0
[ 177.403657][ C1] ? tipc_node_xmit_skb+0x150/0x150
[ 177.403659][ C1] tipc_sk_backlog_rcv+0x17d/0x210
[ 177.403662][ C1] ? tipc_sk_timeout+0x990/0x990
[ 177.403665][ C1] ? __local_bh_enable_ip+0x53/0x80
[ 177.403667][ C1] ? lock_sock_nested+0x21c/0x2a0
[ 177.403670][ C1] ? _raw_spin_unlock+0x4d/0x70
[ 177.403673][ C1] __release_sock+0x146/0x360
[ 177.403675][ C1] sock_setsockopt+0x1840/0x2680
[ 177.403678][ C1] ? __sock_set_mark+0x160/0x160
[ 177.403681][ C1] ? selinux_socket_setsockopt+0x282/0x360
[ 177.403689][ C1] ? selinux_socket_getsockopt+0x340/0x340
[ 177.403692][ C1] ? __kasan_check_write+0x14/0x20
[ 177.403694][ C1] ? __fget_files+0x2c4/0x320
[ 177.403697][ C1] ? security_socket_setsockopt+0x82/0xa0
[ 177.403700][ C1] __sys_setsockopt+0x272/0x480
[ 177.403702][ C1] ? __ia32_sys_recv+0xb0/0xb0
[ 177.403705][ C1] __x64_sys_setsockopt+0xbf/0xd0
[ 177.403707][ C1] do_syscall_64+0x31/0x40
[ 177.403711][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 177.403713][ C1] RIP: 0033:0x7ffba01c53f9
[ 177.403721][ 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
[ 177.403724][ C1] RSP: 002b:00007ffb9fd350b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 177.403732][ C1] RAX: ffffffffffffffda RBX: 00007ffba0303050 RCX: 00007ffba01c53f9
[ 177.403736][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
[ 177.403740][ C1] RBP: 00007ffba0226498 R08: 0000000000000004 R09: 0000000000000000
[ 177.403744][ C1] R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000
[ 177.403748][ C1] R13: 000000000000000b R14: 00007ffba0303050 R15: 00007ffd2d18eb08