Warning: Permanently added '10.128.0.2' (ED25519) to the list of known hosts. 2025/08/07 12:08:11 ignoring optional flag "sandboxArg"="0" 2025/08/07 12:08:11 ignoring optional flag "type"="gce" 2025/08/07 12:08:11 parsed 1 programs [ 46.075792][ T28] kauditd_printk_skb: 18 callbacks suppressed [ 46.075807][ T28] audit: type=1400 audit(1754568491.710:92): avc: denied { unlink } for pid=329 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" 2025/08/07 12:08:11 executed programs: 0 [ 46.121780][ T329] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 46.182330][ T336] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.189465][ T336] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.197128][ T336] device bridge_slave_0 entered promiscuous mode [ 46.204189][ T336] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.211375][ T336] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.218880][ T336] device bridge_slave_1 entered promiscuous mode [ 46.269284][ T336] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.276395][ T336] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.283692][ T336] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.290862][ T336] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.310858][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.318154][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.326107][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.333608][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.343041][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.351328][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.358485][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.367375][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.375722][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.382843][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.395844][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.405676][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.421197][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.434017][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.442651][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.450440][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.458912][ T336] device veth0_vlan entered promiscuous mode [ 46.469777][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.478946][ T336] device veth1_macvtap entered promiscuous mode [ 46.488739][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.500034][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.523381][ T28] audit: type=1400 audit(1754568492.150:93): avc: denied { create } for pid=346 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 46.544096][ T28] audit: type=1400 audit(1754568492.160:94): avc: denied { setopt } for pid=346 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 46.564487][ T28] audit: type=1400 audit(1754568492.160:95): avc: denied { write } for pid=346 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 2025/08/07 12:08:16 executed programs: 595 [ 155.735039][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 155.741915][ C1] rcu: 1-...!: (10001 ticks this GP) idle=8d7c/1/0x4000000000000000 softirq=9003/9003 fqs=0 [ 155.752438][ C1] (t=10002 jiffies g=5337 q=272 ncpus=2) [ 155.758266][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 10002 jiffies! g5337 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 155.770863][ C1] rcu: Possible timer handling issue on cpu=1 timer-softirq=836 [ 155.778732][ C1] rcu: rcu_preempt kthread starved for 10005 jiffies! g5337 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 155.790286][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 155.800567][ C1] rcu: RCU grace-period kthread stack dump: [ 155.806642][ C1] task:rcu_preempt state:I stack:28352 pid:14 ppid:2 flags:0x00004000 [ 155.816048][ C1] Call Trace: [ 155.819330][ C1] [ 155.822360][ C1] __schedule+0xb87/0x14e0 [ 155.826826][ C1] ? release_firmware_map_entry+0x194/0x194 [ 155.832856][ C1] ? __mod_timer+0x7ae/0xb30 [ 155.837455][ C1] schedule+0xbd/0x170 [ 155.841523][ C1] schedule_timeout+0x12c/0x2e0 [ 155.846572][ C1] ? __cfi_schedule_timeout+0x10/0x10 [ 155.852039][ C1] ? __cfi_process_timeout+0x10/0x10 [ 155.857414][ C1] ? prepare_to_swait_event+0x308/0x320 [ 155.862986][ C1] rcu_gp_fqs_loop+0x2d8/0x10a0 [ 155.867851][ C1] ? rcu_gp_init+0xf10/0xf10 [ 155.872535][ C1] rcu_gp_kthread+0x95/0x370 [ 155.877156][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 155.882622][ C1] ? set_cpus_allowed_ptr+0x82/0xc0 [ 155.887822][ C1] ? __kasan_check_read+0x11/0x20 [ 155.892848][ C1] ? __kthread_parkme+0x142/0x180 [ 155.897904][ C1] kthread+0x281/0x320 [ 155.901971][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 155.907271][ C1] ? __cfi_kthread+0x10/0x10 [ 155.912405][ C1] ret_from_fork+0x1f/0x30 [ 155.916839][ C1] [ 155.919967][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 155.926361][ C1] CPU: 1 PID: 3921 Comm: syz-executor.0 Not tainted 6.1.145-syzkaller-1169986-g39fefc4d6aea #0 [ 155.936788][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 155.946875][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x90 [ 155.953695][ C1] Code: 11 10 48 89 74 11 18 48 89 44 11 20 5d c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 b8 7d 47 2f 67 <55> 48 89 e5 48 8b 45 08 65 48 8b 15 10 67 92 7e 65 8b 0d 11 67 92 [ 155.973321][ C1] RSP: 0018:ffffc900047ee978 EFLAGS: 00000246 [ 155.979435][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 155.987418][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 155.995485][ C1] RBP: ffffc900047eec10 R08: dffffc0000000000 R09: ffffed1024568474 [ 156.003461][ C1] R10: ffffed1024568474 R11: 1ffff11024568473 R12: ffff888122b42300 [ 156.011435][ C1] R13: dffffc0000000000 R14: ffffc900047eedc0 R15: 00000000fa4709e5 [ 156.019419][ C1] FS: 00007fdb109ae6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 156.028844][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 156.035981][ C1] CR2: 00007fdb1098dd58 CR3: 0000000122a2e000 CR4: 00000000003506a0 [ 156.044245][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 156.052409][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 156.060949][ C1] Call Trace: [ 156.064257][ C1] [ 156.067290][ C1] ? tipc_sk_rcv+0x449/0x2cc0 [ 156.072071][ C1] ? __stack_depot_save+0x445/0x480 [ 156.077400][ C1] ? kasan_set_track+0x60/0x70 [ 156.082254][ C1] ? kasan_set_track+0x4b/0x70 [ 156.087022][ C1] ? kasan_save_free_info+0x31/0x50 [ 156.092314][ C1] ? ____kasan_slab_free+0x132/0x180 [ 156.097688][ C1] ? __kasan_slab_free+0x11/0x20 [ 156.102626][ C1] ? slab_free_freelist_hook+0xc2/0x190 [ 156.108418][ C1] ? kmem_cache_free+0x12d/0x300 [ 156.113391][ C1] ? kfree_skbmem+0x10c/0x180 [ 156.118066][ C1] ? kfree_skb_reason+0xdc/0x230 [ 156.123107][ C1] ? tipc_msg_reverse+0x6db/0x940 [ 156.128183][ C1] ? tipc_node_xmit+0x257/0xd00 [ 156.133567][ C1] ? tipc_release+0xd32/0x1650 [ 156.138445][ C1] ? syscall_exit_to_user_mode+0x1a/0x30 [ 156.144492][ C1] ? do_syscall_64+0x58/0xa0 [ 156.149104][ C1] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 156.155282][ C1] ? __cfi_tipc_sk_rcv+0x10/0x10 [ 156.160357][ C1] tipc_node_xmit+0x257/0xd00 [ 156.165185][ C1] ? ____kasan_slab_free+0x13d/0x180 [ 156.170601][ C1] ? __cfi_tipc_node_xmit+0x10/0x10 [ 156.175942][ C1] ? slab_free_freelist_hook+0xc2/0x190 [ 156.181509][ C1] ? kfree_skbmem+0x10c/0x180 [ 156.186220][ C1] ? kmem_cache_free+0x12d/0x300 [ 156.191178][ C1] tipc_node_xmit_skb+0xe9/0x130 [ 156.196130][ C1] ? kfree_skb_reason+0xdc/0x230 [ 156.201098][ C1] ? __cfi_tipc_node_xmit_skb+0x10/0x10 [ 156.206674][ C1] ? trace_tipc_sk_rej_msg+0x25/0x150 [ 156.212154][ C1] tipc_sk_rcv+0x1def/0x2cc0 [ 156.216783][ C1] ? __cfi_tipc_sk_rcv+0x10/0x10 [ 156.221827][ C1] tipc_node_xmit+0x257/0xd00 [ 156.226615][ C1] ? is_bpf_text_address+0x177/0x190 [ 156.231928][ C1] ? __cfi_tipc_node_xmit+0x10/0x10 [ 156.237224][ C1] ? kernel_text_address+0xa0/0xd0 [ 156.242431][ C1] ? __kernel_text_address+0xd/0x30 [ 156.247654][ C1] ? unwind_get_return_address+0x4d/0x90 [ 156.253391][ C1] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 156.259732][ C1] ? arch_stack_walk+0xfc/0x150 [ 156.264608][ C1] tipc_sk_filter_rcv+0x155f/0x2c80 [ 156.269847][ C1] ? tipc_sk_publish+0x440/0x440 [ 156.274808][ C1] ? __kasan_check_write+0x14/0x20 [ 156.279947][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 156.284918][ C1] tipc_sk_rcv+0x7d9/0x2cc0 [ 156.289633][ C1] ? tipc_msg_reverse+0x6db/0x940 [ 156.294709][ C1] ? __cfi_tipc_sk_rcv+0x10/0x10 [ 156.299674][ C1] ? tipc_sk_filter_rcv+0x2a1c/0x2c80 [ 156.305148][ C1] tipc_node_xmit+0x257/0xd00 [ 156.309868][ C1] ? __cfi_tipc_node_xmit+0x10/0x10 [ 156.315085][ C1] ? kasan_quarantine_put+0x34/0x190 [ 156.320466][ C1] tipc_node_distr_xmit+0x292/0x390 [ 156.325687][ C1] ? __cfi_tipc_node_distr_xmit+0x10/0x10 [ 156.331421][ C1] ? kfree_skbmem+0x10c/0x180 [ 156.336167][ C1] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 156.341392][ C1] ? __cfi_tipc_sk_backlog_rcv+0x10/0x10 [ 156.347123][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 156.352636][ C1] __release_sock+0x154/0x380 [ 156.357475][ C1] release_sock+0x60/0x1c0 [ 156.361908][ C1] tipc_release+0xd32/0x1650 [ 156.366502][ C1] ? __cfi_tipc_release+0x10/0x10 [ 156.371533][ C1] sock_close+0xf1/0x290 [ 156.375788][ C1] ? __cfi_sock_close+0x10/0x10 [ 156.380922][ C1] __fput+0x1fc/0x8f0 [ 156.385107][ C1] ____fput+0x15/0x20 [ 156.389173][ C1] task_work_run+0x1db/0x240 [ 156.393779][ C1] ? __cfi_task_work_run+0x10/0x10 [ 156.398911][ C1] ? filp_close+0x111/0x160 [ 156.403513][ C1] exit_to_user_mode_loop+0x9b/0xb0 [ 156.408723][ C1] exit_to_user_mode_prepare+0x5a/0xa0 [ 156.414246][ C1] syscall_exit_to_user_mode+0x1a/0x30 [ 156.419909][ C1] do_syscall_64+0x58/0xa0 [ 156.424426][ C1] ? clear_bhb_loop+0x30/0x80 [ 156.429128][ C1] ? clear_bhb_loop+0x30/0x80 [ 156.433863][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 156.439878][ C1] RIP: 0033:0x7fdb0fc7dda9 [ 156.444485][ 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 [ 156.464205][ C1] RSP: 002b:00007fdb109ae0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 156.472813][ C1] RAX: 0000000000000000 RBX: 00007fdb0fdabf80 RCX: 00007fdb0fc7dda9 [ 156.480969][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 156.489259][ C1] RBP: 00007fdb0fcca47a R08: 0000000000000000 R09: 0000000000000000 [ 156.497237][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 156.505215][ C1] R13: 000000000000000b R14: 00007fdb0fdabf80 R15: 00007ffee01d1418 [ 156.513299][ C1] [ 156.516545][ C1] CPU: 1 PID: 3921 Comm: syz-executor.0 Not tainted 6.1.145-syzkaller-1169986-g39fefc4d6aea #0 [ 156.526903][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 156.537002][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x90 [ 156.543883][ C1] Code: 11 10 48 89 74 11 18 48 89 44 11 20 5d c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 b8 7d 47 2f 67 <55> 48 89 e5 48 8b 45 08 65 48 8b 15 10 67 92 7e 65 8b 0d 11 67 92 [ 156.564053][ C1] RSP: 0018:ffffc900047ee978 EFLAGS: 00000246 [ 156.570153][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 156.578135][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 156.586193][ C1] RBP: ffffc900047eec10 R08: dffffc0000000000 R09: ffffed1024568474 [ 156.594172][ C1] R10: ffffed1024568474 R11: 1ffff11024568473 R12: ffff888122b42300 [ 156.602235][ C1] R13: dffffc0000000000 R14: ffffc900047eedc0 R15: 00000000fa4709e5 [ 156.610221][ C1] FS: 00007fdb109ae6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 156.619418][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 156.625997][ C1] CR2: 00007fdb1098dd58 CR3: 0000000122a2e000 CR4: 00000000003506a0 [ 156.634080][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 156.642497][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 156.650937][ C1] Call Trace: [ 156.654579][ C1] [ 156.657547][ C1] ? tipc_sk_rcv+0x449/0x2cc0 [ 156.662255][ C1] ? __stack_depot_save+0x445/0x480 [ 156.667476][ C1] ? kasan_set_track+0x60/0x70 [ 156.672266][ C1] ? kasan_set_track+0x4b/0x70 [ 156.677048][ C1] ? kasan_save_free_info+0x31/0x50 [ 156.682278][ C1] ? ____kasan_slab_free+0x132/0x180 [ 156.687570][ C1] ? __kasan_slab_free+0x11/0x20 [ 156.692527][ C1] ? slab_free_freelist_hook+0xc2/0x190 [ 156.698266][ C1] ? kmem_cache_free+0x12d/0x300 [ 156.703427][ C1] ? kfree_skbmem+0x10c/0x180 [ 156.708102][ C1] ? kfree_skb_reason+0xdc/0x230 [ 156.713063][ C1] ? tipc_msg_reverse+0x6db/0x940 [ 156.718235][ C1] ? tipc_node_xmit+0x257/0xd00 [ 156.723104][ C1] ? tipc_release+0xd32/0x1650 [ 156.727875][ C1] ? syscall_exit_to_user_mode+0x1a/0x30 [ 156.733701][ C1] ? do_syscall_64+0x58/0xa0 [ 156.738386][ C1] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 156.744576][ C1] ? __cfi_tipc_sk_rcv+0x10/0x10 [ 156.749534][ C1] tipc_node_xmit+0x257/0xd00 [ 156.754219][ C1] ? ____kasan_slab_free+0x13d/0x180 [ 156.759602][ C1] ? __cfi_tipc_node_xmit+0x10/0x10 [ 156.765008][ C1] ? slab_free_freelist_hook+0xc2/0x190 [ 156.770680][ C1] ? kfree_skbmem+0x10c/0x180 [ 156.775892][ C1] ? kmem_cache_free+0x12d/0x300 [ 156.780948][ C1] tipc_node_xmit_skb+0xe9/0x130 [ 156.785988][ C1] ? kfree_skb_reason+0xdc/0x230 [ 156.790953][ C1] ? __cfi_tipc_node_xmit_skb+0x10/0x10 [ 156.796519][ C1] ? trace_tipc_sk_rej_msg+0x25/0x150 [ 156.802004][ C1] tipc_sk_rcv+0x1def/0x2cc0 [ 156.806616][ C1] ? __cfi_tipc_sk_rcv+0x10/0x10 [ 156.811577][ C1] tipc_node_xmit+0x257/0xd00 [ 156.816261][ C1] ? is_bpf_text_address+0x177/0x190 [ 156.821552][ C1] ? __cfi_tipc_node_xmit+0x10/0x10 [ 156.826847][ C1] ? kernel_text_address+0xa0/0xd0 [ 156.832057][ C1] ? __kernel_text_address+0xd/0x30 [ 156.837263][ C1] ? unwind_get_return_address+0x4d/0x90 [ 156.842985][ C1] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 156.849142][ C1] ? arch_stack_walk+0xfc/0x150 [ 156.854086][ C1] tipc_sk_filter_rcv+0x155f/0x2c80 [ 156.859284][ C1] ? tipc_sk_publish+0x440/0x440 [ 156.864303][ C1] ? __kasan_check_write+0x14/0x20 [ 156.869508][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 156.874461][ C1] tipc_sk_rcv+0x7d9/0x2cc0 [ 156.879021][ C1] ? tipc_msg_reverse+0x6db/0x940 [ 156.884112][ C1] ? __cfi_tipc_sk_rcv+0x10/0x10 [ 156.889209][ C1] ? tipc_sk_filter_rcv+0x2a1c/0x2c80 [ 156.894617][ C1] tipc_node_xmit+0x257/0xd00 [ 156.899317][ C1] ? __cfi_tipc_node_xmit+0x10/0x10 [ 156.904794][ C1] ? kasan_quarantine_put+0x34/0x190 [ 156.910095][ C1] tipc_node_distr_xmit+0x292/0x390 [ 156.915404][ C1] ? __cfi_tipc_node_distr_xmit+0x10/0x10 [ 156.921150][ C1] ? kfree_skbmem+0x10c/0x180 [ 156.925846][ C1] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 156.930986][ C1] ? __cfi_tipc_sk_backlog_rcv+0x10/0x10 [ 156.936638][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 156.942106][ C1] __release_sock+0x154/0x380 [ 156.946846][ C1] release_sock+0x60/0x1c0 [ 156.951310][ C1] tipc_release+0xd32/0x1650 [ 156.955922][ C1] ? __cfi_tipc_release+0x10/0x10 [ 156.960953][ C1] sock_close+0xf1/0x290 [ 156.965209][ C1] ? __cfi_sock_close+0x10/0x10 [ 156.970071][ C1] __fput+0x1fc/0x8f0 [ 156.974057][ C1] ____fput+0x15/0x20 [ 156.978153][ C1] task_work_run+0x1db/0x240 [ 156.982762][ C1] ? __cfi_task_work_run+0x10/0x10 [ 156.987899][ C1] ? filp_close+0x111/0x160 [ 156.992521][ C1] exit_to_user_mode_loop+0x9b/0xb0 [ 156.997728][ C1] exit_to_user_mode_prepare+0x5a/0xa0 [ 157.003183][ C1] syscall_exit_to_user_mode+0x1a/0x30 [ 157.008820][ C1] do_syscall_64+0x58/0xa0 [ 157.013233][ C1] ? clear_bhb_loop+0x30/0x80 [ 157.017911][ C1] ? clear_bhb_loop+0x30/0x80 [ 157.022669][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 157.028577][ C1] RIP: 0033:0x7fdb0fc7dda9 [ 157.032987][ 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 [ 157.052679][ C1] RSP: 002b:00007fdb109ae0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 157.061202][ C1] RAX: 0000000000000000 RBX: 00007fdb0fdabf80 RCX: 00007fdb0fc7dda9 [ 157.069277][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 157.077247][ C1] RBP: 00007fdb0fcca47a R08: 0000000000000000 R09: 0000000000000000 [ 157.085412][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 157.093395][ C1] R13: 000000000000000b R14: 00007fdb0fdabf80 R15: 00007ffee01d1418 [ 157.101506][ C1] [ 199.313195][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [syz-executor.0:3920] [ 199.321946][ C0] Modules linked in: [ 199.325886][ C0] CPU: 0 PID: 3920 Comm: syz-executor.0 Not tainted 6.1.145-syzkaller-1169986-g39fefc4d6aea #0 [ 199.336283][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 199.346381][ C0] RIP: 0010:kvm_wait+0xf2/0x140 [ 199.351278][ C0] Code: ab 13 04 f4 eb 9a fa 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 3f 0f b6 07 40 38 f0 75 10 66 90 0f 00 2d b0 ab 13 04 fb f4 71 ff ff ff fb e9 6b ff ff ff e8 ae 68 b5 03 89 f9 80 e1 07 38 [ 199.370999][ C0] RSP: 0018:ffffc900047a78a0 EFLAGS: 00000246 [ 199.377184][ C0] RAX: 0000000000000003 RBX: ffff888122b42398 RCX: ffffffff84f0c5a2 [ 199.385171][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888122b42398 [ 199.393338][ C0] RBP: ffffc900047a7930 R08: dffffc0000000000 R09: ffffed1024568474 [ 199.401331][ C0] R10: ffffed1024568474 R11: 1ffff11024568473 R12: 1ffff1103ee00001 [ 199.409314][ C0] R13: ffff8881f7038cd4 R14: dffffc0000000000 R15: 1ffff920008f4f14 [ 199.417386][ C0] FS: 000055557cc15480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 199.426441][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.433124][ C0] CR2: 0000000020000000 CR3: 0000000122a2e000 CR4: 00000000003506b0 [ 199.441108][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.449089][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.457072][ C0] Call Trace: [ 199.460381][ C0] [ 199.463339][ C0] ? __cfi_kvm_wait+0x10/0x10 [ 199.468228][ C0] ? __pv_queued_spin_lock_slowpath+0x632/0xc40 [ 199.474497][ C0] __pv_queued_spin_lock_slowpath+0x690/0xc40 [ 199.480709][ C0] ? __cfi___pv_queued_spin_lock_slowpath+0x10/0x10 [ 199.487921][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 199.493408][ C0] _raw_spin_lock_bh+0xd8/0xe0 [ 199.498274][ C0] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 199.503750][ C0] ? __stack_depot_save+0x36/0x480 [ 199.508916][ C0] ? tick_program_event+0xa3/0x120 [ 199.514052][ C0] lock_sock_nested+0x92/0x280 [ 199.518836][ C0] ? kasan_record_aux_stack+0xe/0x10 [ 199.524330][ C0] ? fput+0xe1/0x1a0 [ 199.528349][ C0] ? __cfi_lock_sock_nested+0x10/0x10 [ 199.533777][ C0] ? do_syscall_64+0x4c/0xa0 [ 199.538560][ C0] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 199.544685][ C0] ? __cfi_locks_remove_file+0x10/0x10 [ 199.550310][ C0] tipc_release+0xb2/0x1650 [ 199.554868][ C0] ? rwsem_write_trylock+0x130/0x300 [ 199.560380][ C0] ? __cfi_tipc_release+0x10/0x10 [ 199.565539][ C0] sock_close+0xf1/0x290 [ 199.569920][ C0] ? __cfi_sock_close+0x10/0x10 [ 199.574821][ C0] __fput+0x1fc/0x8f0 [ 199.578861][ C0] ____fput+0x15/0x20 [ 199.582976][ C0] task_work_run+0x1db/0x240 [ 199.588092][ C0] ? __cfi_task_work_run+0x10/0x10 [ 199.593280][ C0] ? filp_close+0x111/0x160 [ 199.597981][ C0] exit_to_user_mode_loop+0x9b/0xb0 [ 199.603218][ C0] exit_to_user_mode_prepare+0x5a/0xa0 [ 199.608744][ C0] syscall_exit_to_user_mode+0x1a/0x30 [ 199.614424][ C0] do_syscall_64+0x58/0xa0 [ 199.618881][ C0] ? clear_bhb_loop+0x30/0x80 [ 199.623703][ C0] ? clear_bhb_loop+0x30/0x80 [ 199.628439][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 199.634375][ C0] RIP: 0033:0x7fdb0fc7cc9a [ 199.638953][ C0] Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24 [ 199.658956][ C0] RSP: 002b:00007ffee01d14e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 199.667492][ C0] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fdb0fc7cc9a [ 199.675480][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 199.683548][ C0] RBP: 00007fdb0fdad980 R08: 0000001b30b60000 R09: 001e6d98a6f59c7c [ 199.691627][ C0] R10: 0000001e2f87cd5f R11: 0000000000000293 R12: 000000000000dcca [ 199.699895][ C0] R13: ffffffffffffffff R14: 00007fdb0f800000 R15: 000000000000d989 [ 199.707980][ C0] [ 199.711201][ C0] Sending NMI from CPU 0 to CPUs 1: [ 199.716426][ C1] NMI backtrace for cpu 1 [ 199.716441][ C1] CPU: 1 PID: 3921 Comm: syz-executor.0 Not tainted 6.1.145-syzkaller-1169986-g39fefc4d6aea #0 [ 199.716459][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 199.716468][ C1] RIP: 0010:tipc_sk_rcv+0x2c3/0x2cc0 [ 199.716498][ C1] Code: 42 80 3c 28 00 74 08 4c 89 ff e8 98 be ea fc 4d 8b 3f 49 83 c7 14 4c 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 86 1b 00 00 <45> 8b 3f 41 0f cf 83 7c 24 70 00 0f 84 ec 00 00 00 48 89 d8 48 c1 [ 199.716511][ C1] RSP: 0018:ffffc900047ee980 EFLAGS: 00000246 [ 199.716526][ C1] RAX: 0000000000000000 RBX: ffff8881231102c0 RCX: 0000000000000000 [ 199.716537][ C1] RDX: ffff88810e55d100 RSI: 00000000fa4709e5 RDI: 0000000000000000 [ 199.716548][ C1] RBP: ffffc900047eec10 R08: 0000000000000004 R09: 0000000000000003 [ 199.716558][ C1] R10: fffff520008fdd20 R11: 1ffff920008fdd20 R12: ffff88810e4fa300 [ 199.716571][ C1] R13: dffffc0000000000 R14: ffffc900047eedc0 R15: ffff88810706b8c4 [ 199.716583][ C1] FS: 00007fdb109ae6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 199.716598][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.716609][ C1] CR2: 00007fdb1098dd58 CR3: 0000000122a2e000 CR4: 00000000003506a0 [ 199.716624][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.716633][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.716643][ C1] Call Trace: [ 199.716648][ C1] [ 199.716654][ C1] ? __stack_depot_save+0x445/0x480 [ 199.716682][ C1] ? kasan_set_track+0x60/0x70 [ 199.716699][ C1] ? kasan_set_track+0x4b/0x70 [ 199.716714][ C1] ? kasan_save_free_info+0x31/0x50 [ 199.716736][ C1] ? ____kasan_slab_free+0x132/0x180 [ 199.716754][ C1] ? __kasan_slab_free+0x11/0x20 [ 199.716770][ C1] ? slab_free_freelist_hook+0xc2/0x190 [ 199.716793][ C1] ? kmem_cache_free+0x12d/0x300 [ 199.716812][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.716826][ C1] ? kfree_skb_reason+0xdc/0x230 [ 199.716840][ C1] ? tipc_msg_reverse+0x6db/0x940 [ 199.716861][ C1] ? tipc_node_xmit+0x257/0xd00 [ 199.716882][ C1] ? tipc_release+0xd32/0x1650 [ 199.716897][ C1] ? syscall_exit_to_user_mode+0x1a/0x30 [ 199.716919][ C1] ? do_syscall_64+0x58/0xa0 [ 199.716934][ C1] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 199.716954][ C1] ? __cfi_tipc_sk_rcv+0x10/0x10 [ 199.716981][ C1] tipc_node_xmit+0x257/0xd00 [ 199.717003][ C1] ? ____kasan_slab_free+0x13d/0x180 [ 199.717021][ C1] ? __cfi_tipc_node_xmit+0x10/0x10 [ 199.717041][ C1] ? slab_free_freelist_hook+0xc2/0x190 [ 199.717064][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.717078][ C1] ? kmem_cache_free+0x12d/0x300 [ 199.717099][ C1] tipc_node_xmit_skb+0xe9/0x130 [ 199.717119][ C1] ? kfree_skb_reason+0xdc/0x230 [ 199.717133][ C1] ? __cfi_tipc_node_xmit_skb+0x10/0x10 [ 199.717155][ C1] ? trace_tipc_sk_rej_msg+0x25/0x150 [ 199.717179][ C1] tipc_sk_rcv+0x1def/0x2cc0 [ 199.717209][ C1] ? __cfi_tipc_sk_rcv+0x10/0x10 [ 199.717244][ C1] tipc_node_xmit+0x257/0xd00 [ 199.717264][ C1] ? is_bpf_text_address+0x177/0x190 [ 199.717286][ C1] ? __cfi_tipc_node_xmit+0x10/0x10 [ 199.717305][ C1] ? kernel_text_address+0xa0/0xd0 [ 199.717326][ C1] ? __kernel_text_address+0xd/0x30 [ 199.717346][ C1] ? unwind_get_return_address+0x4d/0x90 [ 199.717364][ C1] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 199.717385][ C1] ? arch_stack_walk+0xfc/0x150 [ 199.717411][ C1] tipc_sk_filter_rcv+0x155f/0x2c80 [ 199.717435][ C1] ? tipc_sk_publish+0x440/0x440 [ 199.717450][ C1] ? __kasan_check_write+0x14/0x20 [ 199.717474][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 199.717490][ C1] tipc_sk_rcv+0x7d9/0x2cc0 [ 199.717519][ C1] ? tipc_msg_reverse+0x6db/0x940 [ 199.717541][ C1] ? __cfi_tipc_sk_rcv+0x10/0x10 [ 199.717565][ C1] ? tipc_sk_filter_rcv+0x2a1c/0x2c80 [ 199.717581][ C1] tipc_node_xmit+0x257/0xd00 [ 199.717602][ C1] ? __cfi_tipc_node_xmit+0x10/0x10 [ 199.717624][ C1] ? kasan_quarantine_put+0x34/0x190 [ 199.717640][ C1] tipc_node_distr_xmit+0x292/0x390 [ 199.717662][ C1] ? __cfi_tipc_node_distr_xmit+0x10/0x10 [ 199.717685][ C1] ? kfree_skbmem+0x10c/0x180 [ 199.717699][ C1] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 199.717715][ C1] ? __cfi_tipc_sk_backlog_rcv+0x10/0x10 [ 199.717729][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 199.717747][ C1] __release_sock+0x154/0x380 [ 199.717767][ C1] release_sock+0x60/0x1c0 [ 199.717792][ C1] tipc_release+0xd32/0x1650 [ 199.717808][ C1] ? __cfi_tipc_release+0x10/0x10 [ 199.717824][ C1] sock_close+0xf1/0x290 [ 199.717845][ C1] ? __cfi_sock_close+0x10/0x10 [ 199.717866][ C1] __fput+0x1fc/0x8f0 [ 199.717885][ C1] ____fput+0x15/0x20 [ 199.717901][ C1] task_work_run+0x1db/0x240 [ 199.717921][ C1] ? __cfi_task_work_run+0x10/0x10 [ 199.717940][ C1] ? filp_close+0x111/0x160 [ 199.717959][ C1] exit_to_user_mode_loop+0x9b/0xb0 [ 199.717977][ C1] exit_to_user_mode_prepare+0x5a/0xa0 [ 199.717994][ C1] syscall_exit_to_user_mode+0x1a/0x30 [ 199.718016][ C1] do_syscall_64+0x58/0xa0 [ 199.718031][ C1] ? clear_bhb_loop+0x30/0x80 [ 199.718050][ C1] ? clear_bhb_loop+0x30/0x80 [ 199.718069][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 199.718088][ C1] RIP: 0033:0x7fdb0fc7dda9 [ 199.718101][ 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 [ 199.718114][ C1] RSP: 002b:00007fdb109ae0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 199.718129][ C1] RAX: 0000000000000000 RBX: 00007fdb0fdabf80 RCX: 00007fdb0fc7dda9 [ 199.718140][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 199.718149][ C1] RBP: 00007fdb0fcca47a R08: 0000000000000000 R09: 0000000000000000 [ 199.718159][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 199.718168][ C1] R13: 000000000000000b R14: 00007fdb0fdabf80 R15: 00007ffee01d1418 [ 199.718182][ C1]