Warning: Permanently added '10.128.0.191' (ED25519) to the list of known hosts. 2026/04/12 09:28:44 parsed 1 programs [ 45.054788][ T24] kauditd_printk_skb: 30 callbacks suppressed [ 45.054800][ T24] audit: type=1400 audit(1775986124.770:104): avc: denied { unlink } for pid=416 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 45.095247][ T416] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 45.992523][ T24] audit: type=1401 audit(1775986125.710:105): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 46.031056][ T465] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.038408][ T465] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.046657][ T465] device bridge_slave_0 entered promiscuous mode [ 46.053677][ T465] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.060848][ T465] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.068374][ T465] device bridge_slave_1 entered promiscuous mode [ 46.107619][ T465] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.114960][ T465] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.122839][ T465] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.130667][ T465] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.148480][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.157053][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.165083][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.176966][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.188715][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.196391][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.206368][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.216103][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.223653][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.239809][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.249204][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.262646][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.281193][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.289351][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.297406][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.306682][ T465] device veth0_vlan entered promiscuous mode [ 46.321685][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.330992][ T465] device veth1_macvtap entered promiscuous mode [ 46.340208][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.353643][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/04/12 09:28:46 executed programs: 0 [ 46.431049][ T24] audit: type=1400 audit(1775986126.150:106): avc: denied { write } for pid=410 comm="syz-execprog" path="pipe:[15724]" dev="pipefs" ino=15724 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 46.482802][ T476] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.490508][ T476] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.498337][ T476] device bridge_slave_0 entered promiscuous mode [ 46.506206][ T476] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.514111][ T476] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.522268][ T476] device bridge_slave_1 entered promiscuous mode [ 46.561178][ T476] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.568970][ T476] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.576883][ T476] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.584117][ T476] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.607200][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.615950][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.623419][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.636314][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.645225][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.652444][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.661614][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.670245][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.678399][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.697342][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.707787][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.723213][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.736722][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.745503][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.753132][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.761691][ T476] device veth0_vlan entered promiscuous mode [ 46.773968][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.783486][ T476] device veth1_macvtap entered promiscuous mode [ 46.792795][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.803631][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.825809][ T24] audit: type=1400 audit(1775986126.540:107): avc: denied { create } for pid=480 comm="syz.2.15" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 46.847851][ T24] audit: type=1400 audit(1775986126.560:108): avc: denied { write } for pid=480 comm="syz.2.15" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 46.869715][ T24] audit: type=1400 audit(1775986126.560:109): avc: denied { setopt } for pid=480 comm="syz.2.15" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 47.310140][ T48] device bridge_slave_1 left promiscuous mode [ 47.316746][ T48] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.325189][ T48] device bridge_slave_0 left promiscuous mode [ 47.331491][ T48] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.339080][ T48] device veth1_macvtap left promiscuous mode [ 47.346951][ T48] device veth0_vlan left promiscuous mode [ 149.659348][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 149.666339][ C0] rcu: 0-...!: (9999 ticks this GP) idle=c5e/1/0x4000000000000000 softirq=3351/3351 fqs=0 last_accelerate: 9ddb/c4ea dyntick_enabled: 1 [ 149.681849][ C0] (t=10002 jiffies g=2265 q=199) [ 149.687358][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g2265 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 149.701127][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 149.712483][ C0] rcu: RCU grace-period kthread stack dump: [ 149.720378][ C0] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 149.732199][ C0] Call Trace: [ 149.736083][ C0] __schedule+0xb53/0x1320 [ 149.742144][ C0] ? __sched_text_start+0x8/0x8 [ 149.748726][ C0] ? __mod_timer+0x7da/0xb50 [ 149.754066][ C0] schedule+0x13c/0x1d0 [ 149.758837][ C0] schedule_timeout+0x159/0x330 [ 149.765055][ C0] ? console_conditional_schedule+0x10/0x10 [ 149.771787][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 149.778354][ C0] ? run_local_timers+0x160/0x160 [ 149.783964][ C0] ? prepare_to_swait_event+0x320/0x340 [ 149.790674][ C0] rcu_gp_kthread+0x1045/0x2730 [ 149.795891][ C0] ? rcu_barrier_callback+0x50/0x50 [ 149.801662][ C0] ? __kasan_check_read+0x11/0x20 [ 149.807684][ C0] ? __kthread_parkme+0xb9/0x1c0 [ 149.812755][ C0] kthread+0x346/0x3d0 [ 149.816979][ C0] ? rcu_barrier_callback+0x50/0x50 [ 149.823144][ C0] ? kthread_blkcg+0xd0/0xd0 [ 149.829337][ C0] ret_from_fork+0x1f/0x30 [ 149.834125][ C0] NMI backtrace for cpu 0 [ 149.838613][ C0] CPU: 0 PID: 991 Comm: syz.2.185 Not tainted syzkaller #0 [ 149.848145][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 149.859726][ C0] Call Trace: [ 149.863022][ C0] [ 149.866001][ C0] __dump_stack+0x21/0x24 [ 149.870458][ C0] dump_stack_lvl+0x1a7/0x208 [ 149.875617][ C0] ? show_regs_print_info+0x18/0x18 [ 149.881316][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 149.887064][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 149.891867][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 149.898149][ C0] dump_stack+0x15/0x1c [ 149.902334][ C0] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 149.908511][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 149.914537][ C0] rcu_dump_cpu_stacks+0x19c/0x2c0 [ 149.919909][ C0] rcu_sched_clock_irq+0xf88/0x1880 [ 149.925400][ C0] ? rcutree_dead_cpu+0x310/0x310 [ 149.930653][ C0] ? hrtimer_run_queues+0x166/0x430 [ 149.935951][ C0] update_process_times+0x198/0x200 [ 149.941154][ C0] tick_sched_timer+0x17c/0x240 [ 149.946216][ C0] ? tick_setup_sched_timer+0x450/0x450 [ 149.952149][ C0] __hrtimer_run_queues+0x34f/0x820 [ 149.957681][ C0] ? hrtimer_interrupt+0xdc0/0xdc0 [ 149.963929][ C0] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 149.970228][ C0] hrtimer_interrupt+0x3a6/0xdc0 [ 149.976128][ C0] ? sched_clock_cpu+0x1b/0x3d0 [ 149.981363][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 149.987477][ C0] asm_call_irq_on_stack+0xf/0x20 [ 149.993067][ C0] [ 149.997010][ C0] sysvec_apic_timer_interrupt+0x85/0xe0 [ 150.004424][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 150.010724][ C0] RIP: 0010:kvm_wait+0xce/0x130 [ 150.016050][ 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 [ 150.038903][ C0] RSP: 0018:ffffc90001ddf6e0 EFLAGS: 00000246 [ 150.045891][ C0] RAX: 0000000000000003 RBX: ffff88810ac4d988 RCX: ffffffff814bebea [ 150.058768][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88810ac4d988 [ 150.067266][ C0] RBP: ffffc90001ddf790 R08: ffff88810ac4d988 R09: 1ffff11021589b31 [ 150.076434][ C0] R10: dffffc0000000000 R11: ffffed1021589b32 R12: 0000000000000246 [ 150.085392][ C0] R13: 1ffff11021589b31 R14: dffffc0000000000 R15: 1ffff920003bbee0 [ 150.094635][ C0] ? __pv_queued_spin_lock_slowpath+0x6ba/0xb70 [ 150.101704][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 150.108720][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 150.114195][ C0] ? __pv_queued_spin_lock_slowpath+0x6ba/0xb70 [ 150.120710][ C0] __pv_queued_spin_lock_slowpath+0x714/0xb70 [ 150.127630][ C0] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 150.134598][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 150.141213][ C0] _raw_spin_lock_bh+0xe4/0xf0 [ 150.146486][ C0] ? _raw_spin_lock_irq+0xf0/0xf0 [ 150.151899][ C0] ? selinux_socket_sendmsg+0x22f/0x340 [ 150.157686][ C0] lock_sock_nested+0x90/0x2a0 [ 150.163284][ C0] ? sock_init_data+0xc0/0xc0 [ 150.169982][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 150.175503][ C0] ? _raw_spin_unlock_bh+0x51/0x60 [ 150.181993][ C0] tipc_sendstream+0x47/0x70 [ 150.187044][ C0] ? tipc_getsockopt+0x4d0/0x4d0 [ 150.192179][ C0] ____sys_sendmsg+0x5b7/0x8f0 [ 150.196956][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 150.202626][ C0] ? import_iovec+0x7c/0xb0 [ 150.207464][ C0] ___sys_sendmsg+0x236/0x2e0 [ 150.212247][ C0] ? __sys_sendmsg+0x280/0x280 [ 150.217139][ C0] ? memcpy+0x56/0x70 [ 150.221334][ C0] ? __fdget+0x1a1/0x230 [ 150.225909][ C0] __x64_sys_sendmsg+0x1f9/0x2c0 [ 150.231118][ C0] ? __kasan_check_write+0x14/0x20 [ 150.236428][ C0] ? ___sys_sendmsg+0x2e0/0x2e0 [ 150.241284][ C0] ? debug_smp_processor_id+0x17/0x20 [ 150.246874][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 150.253031][ C0] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 150.258953][ C0] do_syscall_64+0x31/0x40 [ 150.263584][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 150.270596][ C0] RIP: 0033:0x7fd0f4528569 [ 150.275232][ C0] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 150.296389][ C0] RSP: 002b:00007fd0f3f9f028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 150.305543][ C0] RAX: ffffffffffffffda RBX: 00007fd0f46f5fa0 RCX: 00007fd0f4528569 [ 150.313824][ C0] RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004 [ 150.322763][ C0] RBP: 00007fd0f45ab7af R08: 0000000000000000 R09: 0000000000000000 [ 150.331698][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 150.340818][ C0] R13: 0000000000000000 R14: 00007fd0f46f5fa0 R15: 00007fff1ec93108 [ 199.143447][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.2.185:992] [ 199.152354][ C1] Modules linked in: [ 199.156920][ C1] CPU: 1 PID: 992 Comm: syz.2.185 Not tainted syzkaller #0 [ 199.165746][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 199.177292][ C1] RIP: 0010:kasan_check_range+0x89/0x2a0 [ 199.185339][ C1] Code: 49 c1 e9 03 4b 8d 1c 29 49 89 dc 4d 29 dc 49 83 fc 10 7f 29 4d 85 e4 0f 84 45 01 00 00 4c 89 cb 48 f7 d3 4c 01 f3 41 80 3b 00 <0f> 85 95 01 00 00 49 ff c3 48 ff c3 75 ee e9 25 01 00 00 45 89 df [ 199.206680][ C1] RSP: 0018:ffffc90001dee738 EFLAGS: 00000202 [ 199.213003][ C1] RAX: 0000000000000401 RBX: ffffffffffffffff RCX: ffffffff8482b944 [ 199.221153][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90001dee7a0 [ 199.230613][ C1] RBP: ffffc90001dee760 R08: ffffc90001dee7a3 R09: 1ffff920003bdcf4 [ 199.240967][ C1] R10: dffffc0000000000 R11: fffff520003bdcf4 R12: 0000000000000001 [ 199.251646][ C1] R13: dffffc0000000001 R14: 1ffff920003bdcf4 R15: 1ffff920003bdcf0 [ 199.262993][ C1] FS: 00007fd0f3f7e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 199.272879][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.281142][ C1] CR2: 00007fd0f3f7dff8 CR3: 00000001116a9000 CR4: 00000000003506a0 [ 199.289963][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.298551][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.308747][ C1] Call Trace: [ 199.312047][ C1] __kasan_check_write+0x14/0x20 [ 199.317385][ C1] _raw_spin_lock_bh+0x94/0xf0 [ 199.322891][ C1] ? _raw_spin_lock_irq+0xf0/0xf0 [ 199.328645][ C1] tipc_sk_rcv+0x230/0x1dc0 [ 199.333302][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 199.339659][ C1] ? __stack_depot_save+0x47d/0x4c0 [ 199.345804][ C1] ? kasan_set_track+0x5b/0x70 [ 199.350845][ C1] ? kasan_set_track+0x4a/0x70 [ 199.356290][ C1] ? ____kasan_slab_free+0x125/0x160 [ 199.361748][ C1] ? __kasan_slab_free+0x11/0x20 [ 199.367016][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 199.373514][ C1] ? kmem_cache_free+0x100/0x2d0 [ 199.379227][ C1] ? tipc_node_distr_xmit+0x2a3/0x3b0 [ 199.384779][ C1] ? tipc_sk_backlog_rcv+0x17d/0x210 [ 199.390620][ C1] ? __release_sock+0x146/0x360 [ 199.396240][ C1] ? __sys_setsockopt+0x272/0x480 [ 199.401513][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.407056][ C1] tipc_node_xmit+0x26c/0xd80 [ 199.412472][ C1] ? debug_smp_processor_id+0x17/0x20 [ 199.418022][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.423903][ C1] ? ____kasan_slab_free+0x130/0x160 [ 199.429194][ C1] ? __kasan_slab_free+0x11/0x20 [ 199.434201][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.439166][ C1] tipc_node_distr_xmit+0x2a3/0x3b0 [ 199.444453][ C1] ? tipc_node_xmit_skb+0x150/0x150 [ 199.449737][ C1] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 199.455404][ C1] tipc_sk_rcv+0x18ed/0x1dc0 [ 199.460097][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.465290][ C1] tipc_node_xmit+0x26c/0xd80 [ 199.470520][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.476414][ C1] tipc_sk_push_backlog+0x4dd/0x790 [ 199.482394][ C1] tipc_sk_proto_rcv+0xa65/0x1af0 [ 199.487872][ C1] ? trace_tipc_sk_dump+0x6c0/0x6c0 [ 199.493363][ C1] tipc_sk_filter_rcv+0x315a/0x3910 [ 199.499330][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 199.504583][ C1] ? kasan_set_track+0x5b/0x70 [ 199.509503][ C1] ? kasan_set_track+0x5b/0x70 [ 199.514359][ C1] ? kasan_set_track+0x4a/0x70 [ 199.519385][ C1] ? kasan_set_free_info+0x23/0x40 [ 199.525335][ C1] ? ____kasan_slab_free+0x125/0x160 [ 199.531023][ C1] ? __kasan_slab_free+0x11/0x20 [ 199.535985][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 199.542131][ C1] ? kmem_cache_free+0x100/0x2d0 [ 199.548091][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.553097][ C1] ? tipc_msg_reverse+0x698/0x900 [ 199.558940][ C1] ? tipc_sk_filter_rcv+0xcd2/0x3910 [ 199.564543][ C1] ? tipc_sk_backlog_rcv+0x117/0x210 [ 199.570086][ C1] ? __release_sock+0x146/0x360 [ 199.575560][ C1] ? sock_setsockopt+0x1840/0x2680 [ 199.581318][ C1] ? __x64_sys_setsockopt+0xbf/0xd0 [ 199.587094][ C1] ? do_syscall_64+0x31/0x40 [ 199.591811][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.597978][ C1] ? tipc_sk_dump+0xfc0/0xfc0 [ 199.605225][ C1] ? __kasan_check_write+0x14/0x20 [ 199.612323][ C1] ? _raw_spin_lock_bh+0x94/0xf0 [ 199.618280][ C1] tipc_sk_rcv+0x742/0x1dc0 [ 199.625810][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.630520][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.636982][ C1] ? tipc_sk_filter_rcv+0x30d7/0x3910 [ 199.643237][ C1] tipc_node_xmit+0x26c/0xd80 [ 199.648568][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.654694][ C1] tipc_node_distr_xmit+0x2a3/0x3b0 [ 199.660678][ C1] ? tipc_node_xmit_skb+0x150/0x150 [ 199.666607][ C1] tipc_sk_backlog_rcv+0x17d/0x210 [ 199.672255][ C1] ? tipc_sk_timeout+0x990/0x990 [ 199.678491][ C1] ? __local_bh_enable_ip+0x53/0x80 [ 199.684179][ C1] ? lock_sock_nested+0x21c/0x2a0 [ 199.689439][ C1] ? _raw_spin_unlock+0x4d/0x70 [ 199.694669][ C1] __release_sock+0x146/0x360 [ 199.700165][ C1] sock_setsockopt+0x1840/0x2680 [ 199.705890][ C1] ? __sock_set_mark+0x160/0x160 [ 199.711196][ C1] ? selinux_socket_setsockopt+0x282/0x360 [ 199.717456][ C1] ? selinux_socket_getsockopt+0x340/0x340 [ 199.723647][ C1] ? __kasan_check_write+0x14/0x20 [ 199.729517][ C1] ? __fget_files+0x2c4/0x320 [ 199.735071][ C1] ? security_socket_setsockopt+0x82/0xa0 [ 199.743854][ C1] __sys_setsockopt+0x272/0x480 [ 199.749707][ C1] ? __ia32_sys_recv+0xb0/0xb0 [ 199.755360][ C1] __x64_sys_setsockopt+0xbf/0xd0 [ 199.760841][ C1] do_syscall_64+0x31/0x40 [ 199.766617][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.773403][ C1] RIP: 0033:0x7fd0f4528569 [ 199.779939][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 199.802927][ C1] RSP: 002b:00007fd0f3f7e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 199.812181][ C1] RAX: ffffffffffffffda RBX: 00007fd0f46f6080 RCX: 00007fd0f4528569 [ 199.821026][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 199.831064][ C1] RBP: 00007fd0f45ab7af R08: 0000000000000004 R09: 0000000000000000 [ 199.839875][ C1] R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000 [ 199.849306][ C1] R13: 0000000000000001 R14: 00007fd0f46f6080 R15: 00007fff1ec93108 [ 199.859346][ C1] Sending NMI from CPU 1 to CPUs 0: [ 199.865396][ C0] NMI backtrace for cpu 0 [ 199.865401][ C0] CPU: 0 PID: 991 Comm: syz.2.185 Not tainted syzkaller #0 [ 199.865406][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 199.865410][ C0] RIP: 0010:kvm_wait+0xce/0x130 [ 199.865419][ C0] Code: 38 f0 75 26 41 f7 c4 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d 33 1e b8 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d 24 1e b8 03 fb f4 <4c> 89 64 24 18 ff 74 24 18 9d 48 c7 44 24 20 0e 36 e0 45 4b c7 04 [ 199.865422][ C0] RSP: 0018:ffffc90001ddf6e0 EFLAGS: 00000246 [ 199.865430][ C0] RAX: 0000000000000003 RBX: ffff88810ac4d988 RCX: ffffffff814bebea [ 199.865435][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88810ac4d988 [ 199.865439][ C0] RBP: ffffc90001ddf790 R08: ffff88810ac4d988 R09: 1ffff11021589b31 [ 199.865443][ C0] R10: dffffc0000000000 R11: ffffed1021589b32 R12: 0000000000000246 [ 199.865447][ C0] R13: 1ffff11021589b31 R14: dffffc0000000000 R15: 1ffff920003bbee0 [ 199.865451][ C0] FS: 00007fd0f3f9f6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 199.865455][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.865459][ C0] CR2: 0000000020000000 CR3: 00000001116a9000 CR4: 00000000003506b0 [ 199.865463][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.865467][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.865470][ C0] Call Trace: [ 199.865473][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 199.865477][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 199.865480][ C0] ? __pv_queued_spin_lock_slowpath+0x6ba/0xb70 [ 199.865483][ C0] __pv_queued_spin_lock_slowpath+0x714/0xb70 [ 199.865487][ C0] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 199.865490][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 199.865493][ C0] _raw_spin_lock_bh+0xe4/0xf0 [ 199.865496][ C0] ? _raw_spin_lock_irq+0xf0/0xf0 [ 199.865499][ C0] ? selinux_socket_sendmsg+0x22f/0x340 [ 199.865502][ C0] lock_sock_nested+0x90/0x2a0 [ 199.865505][ C0] ? sock_init_data+0xc0/0xc0 [ 199.865508][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 199.865511][ C0] ? _raw_spin_unlock_bh+0x51/0x60 [ 199.865514][ C0] tipc_sendstream+0x47/0x70 [ 199.865517][ C0] ? tipc_getsockopt+0x4d0/0x4d0 [ 199.865520][ C0] ____sys_sendmsg+0x5b7/0x8f0 [ 199.865523][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 199.865526][ C0] ? import_iovec+0x7c/0xb0 [ 199.865529][ C0] ___sys_sendmsg+0x236/0x2e0 [ 199.865532][ C0] ? __sys_sendmsg+0x280/0x280 [ 199.865535][ C0] ? memcpy+0x56/0x70 [ 199.865538][ C0] ? __fdget+0x1a1/0x230 [ 199.865541][ C0] __x64_sys_sendmsg+0x1f9/0x2c0 [ 199.865544][ C0] ? __kasan_check_write+0x14/0x20 [ 199.865547][ C0] ? ___sys_sendmsg+0x2e0/0x2e0 [ 199.865550][ C0] ? debug_smp_processor_id+0x17/0x20 [ 199.865554][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 199.865557][ C0] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 199.865560][ C0] do_syscall_64+0x31/0x40 [ 199.865563][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.865566][ C0] RIP: 0033:0x7fd0f4528569 [ 199.865574][ C0] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 199.865578][ C0] RSP: 002b:00007fd0f3f9f028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 199.865585][ C0] RAX: ffffffffffffffda RBX: 00007fd0f46f5fa0 RCX: 00007fd0f4528569 [ 199.865589][ C0] RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004 [ 199.865666][ C0] RBP: 00007fd0f45ab7af R08: 0000000000000000 R09: 0000000000000000 [ 199.865679][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 199.865684][ C0] R13: 0000000000000000 R14: 00007fd0f46f5fa0 R15: 00007fff1ec93108