Warning: Permanently added '10.128.0.92' (ED25519) to the list of known hosts. 2025/12/08 09:06:06 ignoring optional flag "type"="gce" 2025/12/08 09:06:06 parsed 1 programs [ 40.854007][ T24] kauditd_printk_skb: 18 callbacks suppressed [ 40.854016][ T24] audit: type=1400 audit(1765184766.649:92): 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" 2025/12/08 09:06:06 executed programs: 0 [ 40.900540][ T317] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 40.943364][ T324] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.951177][ T324] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.959082][ T324] device bridge_slave_0 entered promiscuous mode [ 40.966473][ T324] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.973740][ T324] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.981724][ T324] device bridge_slave_1 entered promiscuous mode [ 41.010715][ T324] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.018708][ T324] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.026713][ T324] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.034349][ T324] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.049418][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.057110][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.065419][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.074260][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.082813][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.091626][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.098679][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.107627][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.116327][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.124138][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.135756][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.145868][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.158256][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.170119][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.179860][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.187930][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.197368][ T324] device veth0_vlan entered promiscuous mode [ 41.207835][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.218569][ T324] device veth1_macvtap entered promiscuous mode [ 41.228718][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.238825][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.259232][ T24] audit: type=1400 audit(1765184767.049:93): 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 [ 41.281033][ T24] audit: type=1400 audit(1765184767.049:94): 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 [ 41.302614][ T24] audit: type=1400 audit(1765184767.049:95): 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 2025/12/08 09:06:11 executed programs: 725 [ 148.241652][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 148.248487][ C0] rcu: 0-...!: (10000 ticks this GP) idle=a8a/1/0x4000000000000000 softirq=7145/7149 fqs=0 last_accelerate: 9d4f/c460 dyntick_enabled: 1 [ 148.263054][ C0] (t=10003 jiffies g=4097 q=179) [ 148.268851][ C0] rcu: rcu_preempt kthread starved for 10003 jiffies! g4097 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 148.280934][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 148.291950][ C0] rcu: RCU grace-period kthread stack dump: [ 148.298726][ C0] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 148.309638][ C0] Call Trace: [ 148.313383][ C0] __schedule+0xb47/0x1310 [ 148.318438][ C0] ? release_firmware_map_entry+0x18d/0x18d [ 148.324586][ C0] ? __mod_timer+0x7ae/0xb30 [ 148.329556][ C0] schedule+0x13c/0x1d0 [ 148.333877][ C0] schedule_timeout+0x12c/0x2d0 [ 148.339234][ C0] ? console_conditional_schedule+0x10/0x10 [ 148.345570][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 148.351541][ C0] ? run_local_timers+0x160/0x160 [ 148.357253][ C0] ? prepare_to_swait_event+0x320/0x340 [ 148.363440][ C0] rcu_gp_kthread+0x100a/0x26a0 [ 148.369614][ C0] ? rcu_barrier_callback+0x50/0x50 [ 148.375248][ C0] ? __kasan_check_read+0x11/0x20 [ 148.380802][ C0] ? __kthread_parkme+0xb9/0x1c0 [ 148.386265][ C0] kthread+0x346/0x3d0 [ 148.390624][ C0] ? rcu_barrier_callback+0x50/0x50 [ 148.396150][ C0] ? kthread_blkcg+0xd0/0xd0 [ 148.400973][ C0] ret_from_fork+0x1f/0x30 [ 148.405782][ C0] NMI backtrace for cpu 0 [ 148.410359][ C0] CPU: 0 PID: 3645 Comm: syz-executor.0 Not tainted syzkaller #0 [ 148.419448][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 148.430643][ C0] Call Trace: [ 148.434480][ C0] [ 148.437494][ C0] __dump_stack+0x21/0x24 [ 148.442508][ C0] dump_stack_lvl+0x169/0x1d8 [ 148.447675][ C0] ? show_regs_print_info+0x18/0x18 [ 148.453238][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 148.459458][ C0] ? _raw_spin_lock+0xe0/0xe0 [ 148.464316][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 148.470777][ C0] dump_stack+0x15/0x1c [ 148.475026][ C0] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 148.481692][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 148.487782][ C0] rcu_dump_cpu_stacks+0x19c/0x2c0 [ 148.493050][ C0] rcu_sched_clock_irq+0xf79/0x1870 [ 148.499209][ C0] ? rcutree_dead_cpu+0x2f0/0x2f0 [ 148.504530][ C0] ? hrtimer_run_queues+0x166/0x430 [ 148.510248][ C0] update_process_times+0x198/0x200 [ 148.516013][ C0] tick_sched_timer+0x17c/0x240 [ 148.521395][ C0] ? tick_setup_sched_timer+0x450/0x450 [ 148.527778][ C0] __hrtimer_run_queues+0x37a/0x960 [ 148.533367][ C0] ? hrtimer_interrupt+0xdc0/0xdc0 [ 148.538683][ C0] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 148.545078][ C0] hrtimer_interrupt+0x3a6/0xdc0 [ 148.550345][ C0] ? sched_clock_cpu+0x1b/0x3d0 [ 148.555235][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 148.561627][ C0] asm_call_irq_on_stack+0xf/0x20 [ 148.567436][ C0] [ 148.570722][ C0] sysvec_apic_timer_interrupt+0x85/0xe0 [ 148.576857][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 148.582993][ C0] RIP: 0010:kasan_check_range+0x11/0x290 [ 148.588953][ C0] Code: 5d c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 00 00 cc cc 00 00 cc b0 01 48 85 f6 0f 84 a9 01 00 00 55 48 89 e5 41 57 <41> 56 53 49 89 f8 49 01 f0 0f 82 58 02 00 00 49 89 f8 49 c1 e8 2f [ 148.609589][ C0] RSP: 0018:ffffc90004266778 EFLAGS: 00000202 [ 148.616673][ C0] RAX: 0000000000000401 RBX: ffffc90004266cb4 RCX: ffffffff84784c2e [ 148.625604][ C0] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc900042667c0 [ 148.636741][ C0] RBP: ffffc90004266780 R08: dffffc0000000000 R09: fffff5200084cd97 [ 148.645707][ C0] R10: fffff5200084cd97 R11: 1ffff9200084cd96 R12: dffffc0000000000 [ 148.654564][ C0] R13: ffffc90004266cb0 R14: ffffc900042667c0 R15: 1ffff9200084ccf4 [ 148.664087][ C0] ? _raw_spin_lock_bh+0x8e/0xe0 [ 148.669600][ C0] __kasan_check_write+0x14/0x20 [ 148.675590][ C0] _raw_spin_lock_bh+0x8e/0xe0 [ 148.680714][ C0] ? _raw_spin_lock_irq+0xe0/0xe0 [ 148.686124][ C0] ? preempt_count_sub+0x3a/0x170 [ 148.691319][ C0] tipc_sk_rcv+0x221/0x1ef0 [ 148.696024][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 148.701901][ C0] ? __stack_depot_save+0x479/0x4c0 [ 148.707452][ C0] ? kasan_set_track+0x5b/0x70 [ 148.712560][ C0] ? kasan_set_track+0x4a/0x70 [ 148.718231][ C0] ? ____kasan_slab_free+0x125/0x160 [ 148.724057][ C0] ? __kasan_slab_free+0x11/0x20 [ 148.729801][ C0] ? kmem_cache_free+0x100/0x2d0 [ 148.734893][ C0] ? kfree_skbmem+0x10c/0x180 [ 148.739651][ C0] ? kfree_skb+0xc1/0x2f0 [ 148.744486][ C0] ? tipc_sk_backlog_rcv+0x16f/0x1f0 [ 148.749941][ C0] ? __release_sock+0x146/0x360 [ 148.755677][ C0] ? __sys_setsockopt+0x265/0x460 [ 148.760981][ C0] ? __skb_queue_purge+0x170/0x170 [ 148.768014][ C0] tipc_node_xmit+0x256/0xcd0 [ 148.773288][ C0] ? debug_smp_processor_id+0x17/0x20 [ 148.779724][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 148.787390][ C0] ? ____kasan_slab_free+0x130/0x160 [ 148.793087][ C0] ? __kasan_slab_free+0x11/0x20 [ 148.798092][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 148.803800][ C0] ? kfree_skbmem+0x10c/0x180 [ 148.808551][ C0] tipc_node_distr_xmit+0x292/0x390 [ 148.813896][ C0] ? tipc_node_xmit_skb+0x130/0x130 [ 148.819861][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 148.825736][ C0] tipc_sk_rcv+0x19b9/0x1ef0 [ 148.830485][ C0] ? __skb_queue_purge+0x170/0x170 [ 148.836182][ C0] tipc_node_xmit+0x256/0xcd0 [ 148.840941][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 148.846847][ C0] tipc_sk_push_backlog+0x4dd/0x790 [ 148.852132][ C0] tipc_sk_proto_rcv+0x98d/0x1ac0 [ 148.857982][ C0] ? trace_tipc_sk_dump+0x6c0/0x6c0 [ 148.864548][ C0] tipc_sk_filter_rcv+0x30ac/0x3850 [ 148.870815][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 148.876247][ C0] ? kasan_set_track+0x5b/0x70 [ 148.881435][ C0] ? kasan_set_track+0x4a/0x70 [ 148.886553][ C0] ? kasan_set_free_info+0x23/0x40 [ 148.892178][ C0] ? kasan_set_track+0x5b/0x70 [ 148.897176][ C0] ? kasan_set_track+0x4a/0x70 [ 148.902275][ C0] ? kasan_set_free_info+0x23/0x40 [ 148.907558][ C0] ? ____kasan_slab_free+0x125/0x160 [ 148.913187][ C0] ? __kasan_slab_free+0x11/0x20 [ 148.918354][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 148.924310][ C0] ? kmem_cache_free+0x100/0x2d0 [ 148.929406][ C0] ? kfree_skb+0xc1/0x2f0 [ 148.934471][ C0] ? tipc_msg_reverse+0x698/0x900 [ 148.939683][ C0] ? tipc_sk_filter_rcv+0xca0/0x3850 [ 148.945395][ C0] ? tipc_sk_backlog_rcv+0x109/0x1f0 [ 148.951002][ C0] ? __release_sock+0x146/0x360 [ 148.956132][ C0] ? __sys_setsockopt+0x265/0x460 [ 148.962195][ C0] ? __x64_sys_setsockopt+0xbf/0xd0 [ 148.967879][ C0] ? do_syscall_64+0x31/0x40 [ 148.972809][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 148.980156][ C0] ? tipc_sk_dump+0xfc0/0xfc0 [ 148.984945][ C0] ? __kasan_check_write+0x14/0x20 [ 148.990507][ C0] ? _raw_spin_lock_bh+0x8e/0xe0 [ 148.995428][ C0] tipc_sk_rcv+0x7cc/0x1ef0 [ 149.000009][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 149.006095][ C0] ? kmem_cache_free+0x100/0x2d0 [ 149.011786][ C0] ? __skb_queue_purge+0x170/0x170 [ 149.017885][ C0] ? tipc_sk_filter_rcv+0x3034/0x3850 [ 149.024279][ C0] tipc_node_xmit+0x256/0xcd0 [ 149.029257][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 149.035097][ C0] tipc_node_distr_xmit+0x292/0x390 [ 149.041596][ C0] ? tipc_node_xmit_skb+0x130/0x130 [ 149.046957][ C0] ? selinux_capable+0x29c/0x380 [ 149.052694][ C0] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 149.058095][ C0] ? tipc_sk_timeout+0x970/0x970 [ 149.063286][ C0] ? __local_bh_enable_ip+0x53/0x80 [ 149.069223][ C0] ? lock_sock_nested+0x1f5/0x290 [ 149.074408][ C0] __release_sock+0x146/0x360 [ 149.079592][ C0] sock_setsockopt+0x125e/0x2350 [ 149.085080][ C0] ? __sock_set_mark+0x160/0x160 [ 149.091772][ C0] ? selinux_socket_setsockopt+0x21c/0x300 [ 149.097824][ C0] ? selinux_socket_getsockopt+0x2e0/0x2e0 [ 149.104719][ C0] ? __kasan_check_write+0x14/0x20 [ 149.110706][ C0] ? _raw_spin_lock_irq+0x8f/0xe0 [ 149.116561][ C0] ? __fget_files+0x2c4/0x320 [ 149.121798][ C0] ? security_socket_setsockopt+0x82/0xa0 [ 149.127887][ C0] __sys_setsockopt+0x265/0x460 [ 149.133461][ C0] ? __ia32_sys_recv+0xb0/0xb0 [ 149.138642][ C0] ? __kasan_check_write+0x14/0x20 [ 149.144826][ C0] ? switch_fpu_return+0x197/0x340 [ 149.151261][ C0] __x64_sys_setsockopt+0xbf/0xd0 [ 149.156817][ C0] do_syscall_64+0x31/0x40 [ 149.161816][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 149.169840][ C0] RIP: 0033:0x7f7b8c0bae69 [ 149.175025][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 149.197437][ C0] RSP: 002b:00007f7b8bc1b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 149.206750][ C0] RAX: ffffffffffffffda RBX: 00007f7b8c1e9050 RCX: 00007f7b8c0bae69 [ 149.215240][ C0] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 149.223893][ C0] RBP: 00007f7b8c10747a R08: 0000000000000004 R09: 0000000000000000 [ 149.232431][ C0] R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000 [ 149.240914][ C0] R13: 000000000000000b R14: 00007f7b8c1e9050 R15: 00007ffca72fffa8 [ 199.065364][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor.0:3644] [ 199.074869][ C1] Modules linked in: [ 199.079048][ C1] CPU: 1 PID: 3644 Comm: syz-executor.0 Not tainted syzkaller #0 [ 199.087365][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 199.098514][ C1] RIP: 0010:kvm_wait+0xc2/0x120 [ 199.103520][ C1] Code: 38 f0 75 26 41 f7 c4 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d 5f 9a 98 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d 50 9a 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 [ 199.124543][ C1] RSP: 0018:ffffc900041bf6e0 EFLAGS: 00000246 [ 199.131122][ C1] RAX: 0000000000000003 RBX: ffff8881197fa888 RCX: ffffffff814b23da [ 199.139879][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff8881197fa888 [ 199.149115][ C1] RBP: ffffc900041bf790 R08: dffffc0000000000 R09: ffffed10232ff512 [ 199.158057][ C1] R10: ffffed10232ff512 R11: 1ffff110232ff511 R12: 0000000000000246 [ 199.166884][ C1] R13: 1ffff110232ff511 R14: dffffc0000000000 R15: 1ffff92000837ee0 [ 199.175606][ C1] FS: 00007f7b8bc3c6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 199.184886][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.191545][ C1] CR2: 00007f7b8bc1bd58 CR3: 000000010f08a000 CR4: 00000000003506a0 [ 199.199592][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.208206][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.217199][ C1] Call Trace: [ 199.221023][ C1] ? asm_common_interrupt+0x1e/0x40 [ 199.226914][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 199.232272][ C1] ? __pv_queued_spin_lock_slowpath+0x6ba/0xb70 [ 199.239213][ C1] __pv_queued_spin_lock_slowpath+0x714/0xb70 [ 199.246362][ C1] ? memcpy+0x56/0x70 [ 199.250995][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 199.258563][ C1] ? avc_has_perm_noaudit+0x240/0x240 [ 199.264817][ C1] queued_spin_lock_slowpath+0x47/0x50 [ 199.270856][ C1] _raw_spin_lock_bh+0xd8/0xe0 [ 199.275780][ C1] ? _raw_spin_lock_irq+0xe0/0xe0 [ 199.281186][ C1] lock_sock_nested+0x92/0x290 [ 199.286202][ C1] ? sock_init_data+0xc0/0xc0 [ 199.291216][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 199.296736][ C1] ? _raw_spin_unlock_bh+0x51/0x60 [ 199.302007][ C1] tipc_sendstream+0x47/0x70 [ 199.306932][ C1] ? tipc_getsockopt+0x4c0/0x4c0 [ 199.312560][ C1] ____sys_sendmsg+0x5a2/0x8c0 [ 199.317685][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 199.323187][ C1] ? futex_wake+0x4b4/0x550 [ 199.327963][ C1] ? import_iovec+0x7c/0xb0 [ 199.332520][ C1] ___sys_sendmsg+0x1f0/0x260 [ 199.337598][ C1] ? __sys_sendmsg+0x250/0x250 [ 199.342721][ C1] ? __fdget+0x1a1/0x230 [ 199.347384][ C1] __x64_sys_sendmsg+0x1e2/0x2a0 [ 199.352900][ C1] ? __kasan_check_write+0x14/0x20 [ 199.358455][ C1] ? ___sys_sendmsg+0x260/0x260 [ 199.363486][ C1] ? debug_smp_processor_id+0x17/0x20 [ 199.369624][ C1] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 199.376393][ C1] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 199.383130][ C1] do_syscall_64+0x31/0x40 [ 199.388031][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.394185][ C1] RIP: 0033:0x7f7b8c0bae69 [ 199.398700][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 199.420443][ C1] RSP: 002b:00007f7b8bc3c0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 199.429287][ C1] RAX: ffffffffffffffda RBX: 00007f7b8c1e8f80 RCX: 00007f7b8c0bae69 [ 199.437625][ C1] RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000004 [ 199.446144][ C1] RBP: 00007f7b8c10747a R08: 0000000000000000 R09: 0000000000000000 [ 199.454278][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 199.462877][ C1] R13: 000000000000000b R14: 00007f7b8c1e8f80 R15: 00007ffca72fffa8 [ 199.471456][ C1] Sending NMI from CPU 1 to CPUs 0: [ 199.477849][ C0] NMI backtrace for cpu 0 [ 199.477858][ C0] CPU: 0 PID: 3645 Comm: syz-executor.0 Not tainted syzkaller #0 [ 199.477863][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 199.477867][ C0] RIP: 0010:tipc_node_distr_xmit+0x37c/0x390 [ 199.477876][ C0] Code: 20 48 c7 04 18 00 00 00 00 c7 44 18 08 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 84 24 c0 00 00 00 75 11 31 c0 48 8d 65 d8 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 e8 74 72 16 00 0f 1f 40 00 55 48 [ 199.477880][ C0] RSP: 0018:ffffc90004266808 EFLAGS: 00000246 [ 199.477887][ C0] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff88811f062780 [ 199.477892][ C0] RDX: 0000000000000000 RSI: ffffc900042669e0 RDI: ffff8881071bb9c0 [ 199.477896][ C0] RBP: ffffc90004266830 R08: dffffc0000000000 R09: ffffed10232ff512 [ 199.477900][ C0] R10: ffffed10232ff512 R11: 1ffff110232ff511 R12: dffffc0000000000 [ 199.477904][ C0] R13: ffffc900042669e0 R14: ffffc900042669e0 R15: 000000007ba8b731 [ 199.477909][ C0] FS: 00007f7b8bc1b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 199.477912][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.477916][ C0] CR2: 000000c0013ea000 CR3: 000000010f08a000 CR4: 00000000003506b0 [ 199.477921][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.477925][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.477927][ C0] Call Trace: [ 199.477930][ C0] tipc_sk_rcv+0x19b9/0x1ef0 [ 199.477933][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 199.477936][ C0] ? __stack_depot_save+0x479/0x4c0 [ 199.477939][ C0] ? kasan_set_track+0x5b/0x70 [ 199.477942][ C0] ? kasan_set_track+0x4a/0x70 [ 199.477945][ C0] ? ____kasan_slab_free+0x125/0x160 [ 199.477948][ C0] ? __kasan_slab_free+0x11/0x20 [ 199.477951][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.477953][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.477956][ C0] ? kfree_skb+0xc1/0x2f0 [ 199.477959][ C0] ? tipc_sk_backlog_rcv+0x16f/0x1f0 [ 199.477962][ C0] ? __release_sock+0x146/0x360 [ 199.477965][ C0] ? __sys_setsockopt+0x265/0x460 [ 199.477968][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.477971][ C0] tipc_node_xmit+0x256/0xcd0 [ 199.477974][ C0] ? debug_smp_processor_id+0x17/0x20 [ 199.477977][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.477980][ C0] ? ____kasan_slab_free+0x130/0x160 [ 199.477983][ C0] ? __kasan_slab_free+0x11/0x20 [ 199.477986][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 199.477989][ C0] ? kfree_skbmem+0x10c/0x180 [ 199.477992][ C0] tipc_node_distr_xmit+0x292/0x390 [ 199.477994][ C0] ? tipc_node_xmit_skb+0x130/0x130 [ 199.477997][ C0] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 199.477999][ C0] tipc_sk_rcv+0x19b9/0x1ef0 [ 199.478002][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.478004][ C0] tipc_node_xmit+0x256/0xcd0 [ 199.478006][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.478008][ C0] tipc_sk_push_backlog+0x4dd/0x790 [ 199.478011][ C0] tipc_sk_proto_rcv+0x98d/0x1ac0 [ 199.478013][ C0] ? trace_tipc_sk_dump+0x6c0/0x6c0 [ 199.478015][ C0] tipc_sk_filter_rcv+0x30ac/0x3850 [ 199.478018][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 199.478020][ C0] ? kasan_set_track+0x5b/0x70 [ 199.478022][ C0] ? kasan_set_track+0x4a/0x70 [ 199.478024][ C0] ? kasan_set_free_info+0x23/0x40 [ 199.478026][ C0] ? kasan_set_track+0x5b/0x70 [ 199.478028][ C0] ? kasan_set_track+0x4a/0x70 [ 199.478030][ C0] ? kasan_set_free_info+0x23/0x40 [ 199.478033][ C0] ? ____kasan_slab_free+0x125/0x160 [ 199.478035][ C0] ? __kasan_slab_free+0x11/0x20 [ 199.478037][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 199.478039][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.478041][ C0] ? kfree_skb+0xc1/0x2f0 [ 199.478043][ C0] ? tipc_msg_reverse+0x698/0x900 [ 199.478046][ C0] ? tipc_sk_filter_rcv+0xca0/0x3850 [ 199.478048][ C0] ? tipc_sk_backlog_rcv+0x109/0x1f0 [ 199.478050][ C0] ? __release_sock+0x146/0x360 [ 199.478052][ C0] ? __sys_setsockopt+0x265/0x460 [ 199.478054][ C0] ? __x64_sys_setsockopt+0xbf/0xd0 [ 199.478056][ C0] ? do_syscall_64+0x31/0x40 [ 199.478059][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.478061][ C0] ? tipc_sk_dump+0xfc0/0xfc0 [ 199.478063][ C0] ? __kasan_check_write+0x14/0x20 [ 199.478065][ C0] ? _raw_spin_lock_bh+0x8e/0xe0 [ 199.478067][ C0] tipc_sk_rcv+0x7cc/0x1ef0 [ 199.478070][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 199.478072][ C0] ? kmem_cache_free+0x100/0x2d0 [ 199.478074][ C0] ? __skb_queue_purge+0x170/0x170 [ 199.478077][ C0] ? tipc_sk_filter_rcv+0x3034/0x3850 [ 199.478079][ C0] tipc_node_xmit+0x256/0xcd0 [ 199.478081][ C0] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 199.478084][ C0] tipc_node_distr_xmit+0x292/0x390 [ 199.478086][ C0] ? tipc_node_xmit_skb+0x130/0x130 [ 199.478088][ C0] ? selinux_capable+0x29c/0x380 [ 199.478091][ C0] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 199.478093][ C0] ? tipc_sk_timeout+0x970/0x970 [ 199.478095][ C0] ? __local_bh_enable_ip+0x53/0x80 [ 199.478097][ C0] ? lock_sock_nested+0x1f5/0x290 [ 199.478099][ C0] __release_sock+0x146/0x360 [ 199.478102][ C0] sock_setsockopt+0x125e/0x2350 [ 199.478104][ C0] ? __sock_set_mark+0x160/0x160 [ 199.478106][ C0] ? selinux_socket_setsockopt+0x21c/0x300 [ 199.478109][ C0] ? selinux_socket_getsockopt+0x2e0/0x2e0 [ 199.478111][ C0] ? __kasan_check_write+0x14/0x20 [ 199.478113][ C0] ? _raw_spin_lock_irq+0x8f/0xe0 [ 199.478115][ C0] ? __fget_files+0x2c4/0x320 [ 199.478117][ C0] ? security_socket_setsockopt+0x82/0xa0 [ 199.478120][ C0] __sys_setsockopt+0x265/0x460 [ 199.478122][ C0] ? __ia32_sys_recv+0xb0/0xb0 [ 199.478124][ C0] ? __kasan_check_write+0x14/0x20 [ 199.478126][ C0] ? switch_fpu_return+0x197/0x340 [ 199.478128][ C0] __x64_sys_setsockopt+0xbf/0xd0 [ 199.478130][ C0] do_syscall_64+0x31/0x40 [ 199.478133][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 199.478135][ C0] RIP: 0033:0x7f7b8c0bae69 [ 199.478142][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 199.478144][ C0] RSP: 002b:00007f7b8bc1b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 199.478150][ C0] RAX: ffffffffffffffda RBX: 00007f7b8c1e9050 RCX: 00007f7b8c0bae69 [ 199.478153][ C0] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 199.478156][ C0] RBP: 00007f7b8c10747a R08: 0000000000000004 R09: 0000000000000000 [ 199.478160][ C0] R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000 [ 199.478163][ C0] R13: 000000000000000b R14: 00007f7b8c1e9050 R15: 00007ffca72fffa8