Warning: Permanently added '10.128.1.222' (ED25519) to the list of known hosts. 2025/10/23 19:25:15 parsed 1 programs [ 44.858710][ T24] kauditd_printk_skb: 30 callbacks suppressed [ 44.858718][ T24] audit: type=1400 audit(1761247515.820:104): avc: denied { write } for pid=394 comm="syz-execprog" path="pipe:[14181]" dev="pipefs" ino=14181 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 45.493706][ T24] audit: type=1400 audit(1761247516.460:105): avc: denied { unlink } for pid=400 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" [ 45.542842][ T400] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 45.959383][ T24] audit: type=1400 audit(1761247516.920:106): avc: denied { create } for pid=412 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 46.190158][ T24] audit: type=1401 audit(1761247517.150:107): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 46.301497][ T443] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.308527][ T443] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.315903][ T443] device bridge_slave_0 entered promiscuous mode [ 46.322818][ T443] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.329823][ T443] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.337300][ T443] device bridge_slave_1 entered promiscuous mode [ 46.364553][ T443] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.371934][ T443] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.379137][ T443] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.386166][ T443] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.400611][ T329] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.408356][ T329] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.415563][ T329] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.424942][ T329] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.433772][ T329] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.440904][ T329] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.449346][ T329] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.457605][ T329] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.464888][ T329] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.476994][ T329] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.489813][ T329] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.499609][ T329] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.510184][ T329] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.518363][ T329] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.526019][ T329] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.534057][ T443] device veth0_vlan entered promiscuous mode [ 46.543242][ T329] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.552532][ T443] device veth1_macvtap entered promiscuous mode [ 46.561982][ T329] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.571680][ T329] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2025/10/23 19:25:17 executed programs: 0 [ 46.734857][ T460] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.742093][ T460] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.749392][ T460] device bridge_slave_0 entered promiscuous mode [ 46.756468][ T460] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.763595][ T460] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.771008][ T460] device bridge_slave_1 entered promiscuous mode [ 46.798801][ T460] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.805850][ T460] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.813104][ T460] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.820107][ T460] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.836055][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.843549][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.850966][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.862577][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.870805][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.877890][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.886569][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.894732][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.901765][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.916326][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.925237][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.937322][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.953409][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.961501][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.968995][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.977496][ T460] device veth0_vlan entered promiscuous mode [ 46.992018][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.001154][ T460] device veth1_macvtap entered promiscuous mode [ 47.009986][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.019839][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.042106][ T24] audit: type=1400 audit(1761247518.010:108): avc: denied { create } for pid=464 comm="syz.0.15" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 47.061941][ T24] audit: type=1400 audit(1761247518.010:109): avc: denied { write } for pid=464 comm="syz.0.15" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 47.082732][ T24] audit: type=1400 audit(1761247518.010:110): avc: denied { setopt } for pid=464 comm="syz.0.15" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 147.800447][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 147.807098][ C1] rcu: 1-...!: (10000 ticks this GP) idle=82a/1/0x4000000000000000 softirq=2999/2999 fqs=0 last_accelerate: 9d31/c441 dyntick_enabled: 1 [ 147.821127][ C1] (t=10003 jiffies g=1489 q=151) [ 147.826129][ C1] rcu: rcu_preempt kthread starved for 10003 jiffies! g1489 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 147.837458][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 147.847498][ C1] rcu: RCU grace-period kthread stack dump: [ 147.853362][ C1] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 147.862532][ C1] Call Trace: [ 147.865831][ C1] __schedule+0xb47/0x1310 [ 147.870222][ C1] ? release_firmware_map_entry+0x190/0x190 [ 147.876087][ C1] ? __mod_timer+0x7ae/0xb30 [ 147.880758][ C1] schedule+0x13c/0x1d0 [ 147.884898][ C1] schedule_timeout+0x12c/0x2d0 [ 147.889728][ C1] ? console_conditional_schedule+0x10/0x10 [ 147.895596][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 147.901111][ C1] ? run_local_timers+0x160/0x160 [ 147.906191][ C1] ? prepare_to_swait_event+0x320/0x340 [ 147.912006][ C1] rcu_gp_kthread+0x100a/0x26a0 [ 147.916829][ C1] ? rcu_barrier_callback+0x50/0x50 [ 147.922116][ C1] ? __kasan_check_read+0x11/0x20 [ 147.927176][ C1] ? __kthread_parkme+0xb9/0x1c0 [ 147.932078][ C1] kthread+0x346/0x3d0 [ 147.936113][ C1] ? rcu_barrier_callback+0x50/0x50 [ 147.941275][ C1] ? kthread_blkcg+0xd0/0xd0 [ 147.945988][ C1] ret_from_fork+0x1f/0x30 [ 147.950410][ C1] NMI backtrace for cpu 1 [ 147.954821][ C1] CPU: 1 PID: 612 Comm: syz.0.61 Not tainted syzkaller #0 [ 147.961894][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 147.971923][ C1] Call Trace: [ 147.975174][ C1] [ 147.977998][ C1] __dump_stack+0x21/0x24 [ 147.982297][ C1] dump_stack_lvl+0x169/0x1d8 [ 147.986968][ C1] ? show_regs_print_info+0x18/0x18 [ 147.992166][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 147.997595][ C1] ? _raw_spin_lock+0xe0/0xe0 [ 148.002254][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 148.008550][ C1] dump_stack+0x15/0x1c [ 148.012693][ C1] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 148.018652][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 148.024516][ C1] rcu_dump_cpu_stacks+0x19c/0x2c0 [ 148.029613][ C1] rcu_sched_clock_irq+0xf79/0x1870 [ 148.034781][ C1] ? rcutree_dead_cpu+0x2f0/0x2f0 [ 148.039773][ C1] ? hrtimer_run_queues+0x166/0x430 [ 148.045001][ C1] update_process_times+0x198/0x200 [ 148.050166][ C1] tick_sched_timer+0x17c/0x240 [ 148.054997][ C1] ? tick_setup_sched_timer+0x450/0x450 [ 148.060808][ C1] __hrtimer_run_queues+0x37a/0x960 [ 148.066069][ C1] ? process_backlog+0x5e0/0x600 [ 148.071234][ C1] ? hrtimer_interrupt+0xdc0/0xdc0 [ 148.076332][ C1] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 148.082368][ C1] hrtimer_interrupt+0x3a6/0xdc0 [ 148.087424][ C1] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 148.093390][ C1] asm_call_irq_on_stack+0xf/0x20 [ 148.098474][ C1] [ 148.101392][ C1] sysvec_apic_timer_interrupt+0x85/0xe0 [ 148.107500][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 148.113468][ C1] RIP: 0010:tipc_sk_lookup+0x50c/0x5f0 [ 148.118905][ C1] Code: 00 f0 45 0f c1 b5 80 00 00 00 31 ff 44 89 f6 e8 5a 3a 06 fd 45 85 f6 0f 84 80 00 00 00 bf fe ff ff 7f 44 89 f6 e8 44 3a 06 fd <41> 81 fe fe ff ff 7f 77 76 e8 86 36 06 fd eb 23 e8 7f 36 06 fd 45 [ 148.138660][ C1] RSP: 0018:ffffc9000271e740 EFLAGS: 00000293 [ 148.144701][ C1] RAX: ffffffff845d6f0c RBX: ffff88811a11de80 RCX: 0000000000000000 [ 148.152903][ C1] RDX: ffff88811a2b0000 RSI: 0000000000000004 RDI: 000000007ffffffe [ 148.160847][ C1] RBP: ffffc9000271e830 R08: dffffc0000000000 R09: ffffed1023423bd1 [ 148.168873][ C1] R10: ffffed1023423bd1 R11: 1ffff11023423bd0 R12: dffffc0000000000 [ 148.176812][ C1] R13: ffff88811a11de00 R14: 0000000000000004 R15: fffffffffffffc18 [ 148.184768][ C1] ? tipc_sk_lookup+0x50c/0x5f0 [ 148.189596][ C1] ? tipc_sk_rcv+0x1ef0/0x1ef0 [ 148.194325][ C1] tipc_sk_rcv+0x3eb/0x1ef0 [ 148.198797][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 148.204568][ C1] ? __stack_depot_save+0x479/0x4c0 [ 148.209805][ C1] ? kasan_set_track+0x5b/0x70 [ 148.214535][ C1] ? kasan_set_track+0x4a/0x70 [ 148.219275][ C1] ? ____kasan_slab_free+0x125/0x160 [ 148.224524][ C1] ? __kasan_slab_free+0x11/0x20 [ 148.229426][ C1] ? kmem_cache_free+0x100/0x2d0 [ 148.234327][ C1] ? kfree_skbmem+0x10c/0x180 [ 148.239054][ C1] ? kfree_skb+0xc1/0x2f0 [ 148.243349][ C1] ? tipc_sk_backlog_rcv+0x16f/0x1f0 [ 148.248600][ C1] ? __release_sock+0x146/0x360 [ 148.253504][ C1] ? __sys_setsockopt+0x265/0x460 [ 148.258496][ C1] ? __skb_queue_purge+0x170/0x170 [ 148.263575][ C1] tipc_node_xmit+0x256/0xcd0 [ 148.268217][ C1] ? debug_smp_processor_id+0x17/0x20 [ 148.273556][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 148.279065][ C1] ? ____kasan_slab_free+0x130/0x160 [ 148.284324][ C1] ? __kasan_slab_free+0x11/0x20 [ 148.289311][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 148.294821][ C1] ? kfree_skbmem+0x10c/0x180 [ 148.299476][ C1] tipc_node_distr_xmit+0x292/0x390 [ 148.304638][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 148.309799][ C1] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 148.315221][ C1] tipc_sk_rcv+0x19b9/0x1ef0 [ 148.319846][ C1] ? __skb_queue_purge+0x170/0x170 [ 148.325026][ C1] tipc_node_xmit+0x256/0xcd0 [ 148.329683][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 148.335207][ C1] tipc_sk_push_backlog+0x4dd/0x790 [ 148.340372][ C1] tipc_sk_proto_rcv+0x98d/0x1ac0 [ 148.345364][ C1] ? trace_tipc_sk_dump+0x6c0/0x6c0 [ 148.350617][ C1] tipc_sk_filter_rcv+0x30ac/0x3850 [ 148.355782][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 148.360861][ C1] ? kasan_set_track+0x5b/0x70 [ 148.365597][ C1] ? kasan_set_track+0x4a/0x70 [ 148.370330][ C1] ? kasan_set_free_info+0x23/0x40 [ 148.375453][ C1] ? kasan_set_track+0x5b/0x70 [ 148.380186][ C1] ? kasan_set_track+0x4a/0x70 [ 148.385011][ C1] ? kasan_set_free_info+0x23/0x40 [ 148.390181][ C1] ? ____kasan_slab_free+0x125/0x160 [ 148.395430][ C1] ? __kasan_slab_free+0x11/0x20 [ 148.400432][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 148.405950][ C1] ? kmem_cache_free+0x100/0x2d0 [ 148.410857][ C1] ? kfree_skb+0xc1/0x2f0 [ 148.415156][ C1] ? tipc_msg_reverse+0x698/0x900 [ 148.420143][ C1] ? tipc_sk_filter_rcv+0xca0/0x3850 [ 148.425390][ C1] ? tipc_sk_backlog_rcv+0x109/0x1f0 [ 148.430640][ C1] ? __release_sock+0x146/0x360 [ 148.435459][ C1] ? __sys_setsockopt+0x265/0x460 [ 148.440447][ C1] ? __x64_sys_setsockopt+0xbf/0xd0 [ 148.445610][ C1] ? do_syscall_64+0x31/0x40 [ 148.450166][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 148.456214][ C1] ? tipc_sk_dump+0xfc0/0xfc0 [ 148.460857][ C1] ? __kasan_check_write+0x14/0x20 [ 148.466108][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 148.471015][ C1] tipc_sk_rcv+0x7cc/0x1ef0 [ 148.475489][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 148.481004][ C1] ? kmem_cache_free+0x100/0x2d0 [ 148.485910][ C1] ? __skb_queue_purge+0x170/0x170 [ 148.490986][ C1] ? tipc_sk_filter_rcv+0x3034/0x3850 [ 148.496585][ C1] tipc_node_xmit+0x256/0xcd0 [ 148.501226][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 148.506744][ C1] tipc_node_distr_xmit+0x292/0x390 [ 148.511920][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 148.517344][ C1] ? selinux_capable+0x29c/0x380 [ 148.522372][ C1] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 148.527467][ C1] ? tipc_sk_timeout+0x970/0x970 [ 148.532477][ C1] ? __local_bh_enable_ip+0x53/0x80 [ 148.537644][ C1] ? lock_sock_nested+0x1f5/0x290 [ 148.542636][ C1] __release_sock+0x146/0x360 [ 148.547282][ C1] sock_setsockopt+0x125e/0x2350 [ 148.552297][ C1] ? __sock_set_mark+0x160/0x160 [ 148.557288][ C1] ? selinux_socket_setsockopt+0x21c/0x300 [ 148.563059][ C1] ? selinux_socket_getsockopt+0x2e0/0x2e0 [ 148.568836][ C1] ? __fget_files+0x2c4/0x320 [ 148.573493][ C1] ? security_socket_setsockopt+0x82/0xa0 [ 148.579180][ C1] __sys_setsockopt+0x265/0x460 [ 148.583997][ C1] ? __ia32_sys_recv+0xb0/0xb0 [ 148.588743][ C1] ? debug_smp_processor_id+0x17/0x20 [ 148.594092][ C1] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 148.600130][ C1] __x64_sys_setsockopt+0xbf/0xd0 [ 148.605122][ C1] do_syscall_64+0x31/0x40 [ 148.609518][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 148.615385][ C1] RIP: 0033:0x7fc023000ff9 [ 148.619769][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 148.639353][ C1] RSP: 002b:00007fc022a61038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 148.648003][ C1] RAX: ffffffffffffffda RBX: 00007fc0231b9058 RCX: 00007fc023000ff9 [ 148.655956][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 148.663903][ C1] RBP: 00007fc023073296 R08: 0000000000000004 R09: 0000000000000000 [ 148.671950][ C1] R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000 [ 148.679902][ C1] R13: 0000000000000001 R14: 00007fc0231b9058 R15: 00007ffc61e3eb28 [ 198.909175][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.0.61:611] [ 198.917171][ C0] Modules linked in: [ 198.921077][ C0] CPU: 0 PID: 611 Comm: syz.0.61 Not tainted syzkaller #0 [ 198.928159][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 198.938299][ C0] RIP: 0010:kvm_wait+0xc2/0x120 [ 198.943140][ C0] Code: 38 f0 75 26 41 f7 c4 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d af 98 98 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d a0 98 98 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 [ 198.962856][ C0] RSP: 0018:ffffc900024e76e0 EFLAGS: 00000246 [ 198.968914][ C0] RAX: 0000000000000003 RBX: ffff88811a11de88 RCX: ffffffff814b25ba [ 198.976878][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88811a11de88 [ 198.984930][ C0] RBP: ffffc900024e7790 R08: dffffc0000000000 R09: ffffed1023423bd2 [ 198.992894][ C0] R10: ffffed1023423bd2 R11: 1ffff11023423bd1 R12: 0000000000000246 [ 199.000850][ C0] R13: 1ffff11023423bd1 R14: dffffc0000000000 R15: 1ffff9200049cee0 [ 199.008826][ C0] FS: 00007fc022a826c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 199.017749][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.024327][ C0] CR2: 0000000020000000 CR3: 000000011aa00000 CR4: 00000000003506b0 [ 199.032294][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.040341][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.048292][ C0] Call Trace: [ 199.051569][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 199.057713][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 199.062823][ C0] ? __pv_queued_spin_lock_slowpath+0x6ba/0xb70 [ 199.069048][ C0] __pv_queued_spin_lock_slowpath+0x714/0xb70 [ 199.075092][ C0] ? memcpy+0x56/0x70 [ 199.079147][ C0] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 199.085541][ C0] ? avc_has_perm_noaudit+0x240/0x240 [ 199.090980][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 199.096431][ C0] _raw_spin_lock_bh+0xd8/0xe0 [ 199.101173][ C0] ? _raw_spin_lock_irq+0xe0/0xe0 [ 199.106188][ C0] lock_sock_nested+0x92/0x290 [ 199.110936][ C0] ? sock_init_data+0xc0/0xc0 [ 199.115591][ C0] ? _raw_spin_lock_bh+0x8e/0xe0 [ 199.120505][ C0] ? _raw_spin_unlock_bh+0x51/0x60 [ 199.125682][ C0] tipc_sendstream+0x47/0x70 [ 199.130246][ C0] ? tipc_getsockopt+0x4c0/0x4c0 [ 199.135351][ C0] ____sys_sendmsg+0x5a2/0x8c0 [ 199.140107][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 199.145205][ C0] ? import_iovec+0x7c/0xb0 [ 199.149694][ C0] ___sys_sendmsg+0x1f0/0x260 [ 199.154352][ C0] ? __sys_sendmsg+0x250/0x250 [ 199.159107][ C0] ? __fdget+0x1a1/0x230 [ 199.163343][ C0] __x64_sys_sendmsg+0x1e2/0x2a0 [ 199.168260][ C0] ? __kasan_check_write+0x14/0x20 [ 199.173364][ C0] ? ___sys_sendmsg+0x260/0x260 [ 199.178205][ C0] ? debug_smp_processor_id+0x17/0x20 [ 199.183555][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 199.189684][ C0] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 199.195296][ C0] do_syscall_64+0x31/0x40 [ 199.199795][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.205768][ C0] RIP: 0033:0x7fc023000ff9 [ 199.210166][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 199.229752][ C0] RSP: 002b:00007fc022a82038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 199.238154][ C0] RAX: ffffffffffffffda RBX: 00007fc0231b8f80 RCX: 00007fc023000ff9 [ 199.246106][ C0] RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004 [ 199.254066][ C0] RBP: 00007fc023073296 R08: 0000000000000000 R09: 0000000000000000 [ 199.262190][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 199.270140][ C0] R13: 0000000000000000 R14: 00007fc0231b8f80 R15: 00007ffc61e3eb28 [ 199.278102][ C0] Sending NMI from CPU 0 to CPUs 1: [ 199.284095][ C1] NMI backtrace for cpu 1 [ 199.284103][ C1] CPU: 1 PID: 612 Comm: syz.0.61 Not tainted syzkaller #0 [ 199.284107][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 199.284111][ C1] RIP: 0010:tipc_node_distr_xmit+0x99/0x390 [ 199.284119][ C1] Code: 4c 24 20 c7 44 19 08 f3 f3 f3 f3 e8 c1 31 07 fd 4c 89 f0 48 c1 e8 03 48 89 44 24 38 80 3c 18 00 74 08 4c 89 f7 e8 67 21 41 fd <4d> 8b 2e 4d 39 f5 0f 95 c0 4d 85 ed 0f 95 c1 84 c8 75 0a e8 8f 31 [ 199.284123][ C1] RSP: 0018:ffffc9000271e720 EFLAGS: 00000246 [ 199.284130][ C1] RAX: 1ffff920004e3d3c RBX: dffffc0000000000 RCX: ffff88811a2b0000 [ 199.284134][ C1] RDX: 0000000000000000 RSI: ffffc9000271e9e0 RDI: ffff8881114a2680 [ 199.284138][ C1] RBP: ffffc9000271e830 R08: dffffc0000000000 R09: ffffed1023423bd2 [ 199.284142][ C1] R10: ffffed1023423bd2 R11: 1ffff11023423bd1 R12: dffffc0000000000 [ 199.284146][ C1] R13: ffff88811a11de00 R14: ffffc9000271e9e0 R15: 00000000a947a7b4 [ 199.284150][ C1] FS: 00007fc022a616c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 199.284153][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.284157][ C1] CR2: 00007fc022a60f98 CR3: 000000011aa00000 CR4: 00000000003506a0 [ 199.284161][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.284165][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.284167][ C1] Call Trace: [ 199.284169][ C1] ? tipc_sk_lookup+0x544/0x5f0 [ 199.284172][ C1] ? tipc_sk_rcv+0x41a/0x1ef0 [ 199.284175][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 199.284178][ C1] ? _raw_spin_trylock_bh+0xd5/0x130 [ 199.284181][ C1] ? _raw_spin_trylock+0x140/0x140 [ 199.284184][ C1] ? tipc_sk_rcv+0x19d1/0x1ef0 [ 199.284186][ C1] tipc_sk_rcv+0x19b9/0x1ef0 [ 199.284189][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 199.284192][ C1] ? __stack_depot_save+0x479/0x4c0 [ 199.284195][ C1] ? kasan_set_track+0x5b/0x70 [ 199.284197][ C1] ? kasan_set_track+0x4a/0x70 [ 199.284200][ C1] ? ____kasan_slab_free+0x125/0x160 [ 199.284203][ C1] ? __kasan_slab_free+0x11/0x20 [ 199.284206][ C1] ? kmem_cache_free+0x100/0x2d0 [ 199.284208][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.284211][ C1] ? kfree_skb+0xc1/0x2f0 [ 199.284214][ C1] ? tipc_sk_backlog_rcv+0x16f/0x1f0 [ 199.284216][ C1] ? __release_sock+0x146/0x360 [ 199.284219][ C1] ? __sys_setsockopt+0x265/0x460 [ 199.284222][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.284225][ C1] tipc_node_xmit+0x256/0xcd0 [ 199.284227][ C1] ? debug_smp_processor_id+0x17/0x20 [ 199.284230][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.284233][ C1] ? ____kasan_slab_free+0x130/0x160 [ 199.284236][ C1] ? __kasan_slab_free+0x11/0x20 [ 199.284239][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 199.284242][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.284244][ C1] tipc_node_distr_xmit+0x292/0x390 [ 199.284247][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 199.284250][ C1] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 199.284253][ C1] tipc_sk_rcv+0x19b9/0x1ef0 [ 199.284255][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.284258][ C1] tipc_node_xmit+0x256/0xcd0 [ 199.284261][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.284263][ C1] tipc_sk_push_backlog+0x4dd/0x790 [ 199.284266][ C1] tipc_sk_proto_rcv+0x98d/0x1ac0 [ 199.284269][ C1] ? trace_tipc_sk_dump+0x6c0/0x6c0 [ 199.284272][ C1] tipc_sk_filter_rcv+0x30ac/0x3850 [ 199.284274][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 199.284277][ C1] ? kasan_set_track+0x5b/0x70 [ 199.284280][ C1] ? kasan_set_track+0x4a/0x70 [ 199.284282][ C1] ? kasan_set_free_info+0x23/0x40 [ 199.284285][ C1] ? kasan_set_track+0x5b/0x70 [ 199.284287][ C1] ? kasan_set_track+0x4a/0x70 [ 199.284289][ C1] ? kasan_set_free_info+0x23/0x40 [ 199.284291][ C1] ? ____kasan_slab_free+0x125/0x160 [ 199.284294][ C1] ? __kasan_slab_free+0x11/0x20 [ 199.284296][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 199.284298][ C1] ? kmem_cache_free+0x100/0x2d0 [ 199.284300][ C1] ? kfree_skb+0xc1/0x2f0 [ 199.284302][ C1] ? tipc_msg_reverse+0x698/0x900 [ 199.284304][ C1] ? tipc_sk_filter_rcv+0xca0/0x3850 [ 199.284307][ C1] ? tipc_sk_backlog_rcv+0x109/0x1f0 [ 199.284309][ C1] ? __release_sock+0x146/0x360 [ 199.284311][ C1] ? __sys_setsockopt+0x265/0x460 [ 199.284313][ C1] ? __x64_sys_setsockopt+0xbf/0xd0 [ 199.284315][ C1] ? do_syscall_64+0x31/0x40 [ 199.284318][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.284320][ C1] ? tipc_sk_dump+0xfc0/0xfc0 [ 199.284322][ C1] ? __kasan_check_write+0x14/0x20 [ 199.284324][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 199.284326][ C1] tipc_sk_rcv+0x7cc/0x1ef0 [ 199.284328][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 199.284330][ C1] ? kmem_cache_free+0x100/0x2d0 [ 199.284332][ C1] ? __skb_queue_purge+0x170/0x170 [ 199.284335][ C1] ? tipc_sk_filter_rcv+0x3034/0x3850 [ 199.284336][ C1] tipc_node_xmit+0x256/0xcd0 [ 199.284339][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.284341][ C1] tipc_node_distr_xmit+0x292/0x390 [ 199.284343][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 199.284345][ C1] ? selinux_capable+0x29c/0x380 [ 199.284347][ C1] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 199.284349][ C1] ? tipc_sk_timeout+0x970/0x970 [ 199.284352][ C1] ? __local_bh_enable_ip+0x53/0x80 [ 199.284354][ C1] ? lock_sock_nested+0x1f5/0x290 [ 199.284356][ C1] __release_sock+0x146/0x360 [ 199.284358][ C1] sock_setsockopt+0x125e/0x2350 [ 199.284360][ C1] ? __sock_set_mark+0x160/0x160 [ 199.284362][ C1] ? selinux_socket_setsockopt+0x21c/0x300 [ 199.284365][ C1] ? selinux_socket_getsockopt+0x2e0/0x2e0 [ 199.284367][ C1] ? __fget_files+0x2c4/0x320 [ 199.284369][ C1] ? security_socket_setsockopt+0x82/0xa0 [ 199.284371][ C1] __sys_setsockopt+0x265/0x460 [ 199.284373][ C1] ? __ia32_sys_recv+0xb0/0xb0 [ 199.284375][ C1] ? debug_smp_processor_id+0x17/0x20 [ 199.284378][ C1] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 199.284380][ C1] __x64_sys_setsockopt+0xbf/0xd0 [ 199.284382][ C1] do_syscall_64+0x31/0x40 [ 199.284384][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.284386][ C1] RIP: 0033:0x7fc023000ff9 [ 199.284393][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 199.284395][ C1] RSP: 002b:00007fc022a61038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 199.284401][ C1] RAX: ffffffffffffffda RBX: 00007fc0231b9058 RCX: 00007fc023000ff9 [ 199.284404][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 199.284407][ C1] RBP: 00007fc023073296 R08: 0000000000000004 R09: 0000000000000000 [ 199.284410][ C1] R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000 [ 199.284413][ C1] R13: 0000000000000001 R14: 00007fc0231b9058 R15: 00007ffc61e3eb28