Warning: Permanently added '10.128.1.230' (ED25519) to the list of known hosts. 2025/09/19 06:50:46 ignoring optional flag "type"="gce" 2025/09/19 06:50:46 parsed 1 programs [ 103.605069][ T6191] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 104.098849][ T5961] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 104.106904][ T5961] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 104.115793][ T5961] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 104.124477][ T5961] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 104.133231][ T5961] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 104.705904][ T60] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.714878][ T60] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 104.747014][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.755397][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 105.031305][ T6249] chnl_net:caif_netlink_parms(): no params data found [ 105.125592][ T6249] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.133243][ T6249] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.141907][ T6249] bridge_slave_0: entered allmulticast mode [ 105.149277][ T6249] bridge_slave_0: entered promiscuous mode [ 105.160530][ T6249] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.167865][ T6249] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.175110][ T6249] bridge_slave_1: entered allmulticast mode [ 105.182367][ T6249] bridge_slave_1: entered promiscuous mode [ 105.213426][ T6249] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 105.224656][ T6249] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 105.256967][ T6249] team0: Port device team_slave_0 added [ 105.266013][ T6249] team0: Port device team_slave_1 added [ 105.298966][ T6249] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 105.306056][ T6249] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 105.332362][ T6249] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 105.344828][ T6249] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 105.351852][ T6249] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 105.377779][ T6249] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 105.415688][ T6249] hsr_slave_0: entered promiscuous mode [ 105.422641][ T6249] hsr_slave_1: entered promiscuous mode [ 105.905516][ T6249] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 105.922887][ T6249] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 105.934080][ T6249] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 105.946752][ T6249] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 106.044420][ T6249] 8021q: adding VLAN 0 to HW filter on device bond0 [ 106.073019][ T6249] 8021q: adding VLAN 0 to HW filter on device team0 [ 106.086366][ T4581] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.093730][ T4581] bridge0: port 1(bridge_slave_0) entered forwarding state [ 106.113773][ T4581] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.121011][ T4581] bridge0: port 2(bridge_slave_1) entered forwarding state [ 106.384774][ T6249] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 106.447530][ T6249] veth0_vlan: entered promiscuous mode [ 106.464199][ T6249] veth1_vlan: entered promiscuous mode [ 106.504877][ T6249] veth0_macvtap: entered promiscuous mode [ 106.517100][ T6249] veth1_macvtap: entered promiscuous mode [ 106.543653][ T6249] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 106.560377][ T6249] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 106.574540][ T49] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.598761][ T49] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.614486][ T49] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.625340][ T49] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.746757][ T3510] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.842841][ T3510] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.906700][ T3510] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.020808][ T3510] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/09/19 06:50:53 executed programs: 0 [ 108.233057][ T5961] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 108.243977][ T5961] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 108.252178][ T5961] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 108.260421][ T5961] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 108.288171][ T5961] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 108.576555][ T6354] chnl_net:caif_netlink_parms(): no params data found [ 108.697266][ T6354] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.704763][ T6354] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.714341][ T6354] bridge_slave_0: entered allmulticast mode [ 108.722675][ T6354] bridge_slave_0: entered promiscuous mode [ 108.732334][ T6354] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.740184][ T6354] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.748606][ T6354] bridge_slave_1: entered allmulticast mode [ 108.756439][ T6354] bridge_slave_1: entered promiscuous mode [ 108.809418][ T6354] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 108.825230][ T6354] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 108.877462][ T6354] team0: Port device team_slave_0 added [ 108.886910][ T6354] team0: Port device team_slave_1 added [ 108.933090][ T6354] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 108.942650][ T6354] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 108.971546][ T6354] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 108.984970][ T6354] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 108.992627][ T6354] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 109.019086][ T6354] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 109.089964][ T6354] hsr_slave_0: entered promiscuous mode [ 109.096645][ T6354] hsr_slave_1: entered promiscuous mode [ 109.104045][ T6354] debugfs: 'hsr0' already exists in 'hsr' [ 109.118055][ T6354] Cannot create hsr debugfs directory [ 109.284874][ T3510] bridge_slave_1: left allmulticast mode [ 109.291258][ T3510] bridge_slave_1: left promiscuous mode [ 109.297032][ T3510] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.309601][ T3510] bridge_slave_0: left allmulticast mode [ 109.315271][ T3510] bridge_slave_0: left promiscuous mode [ 109.322838][ T3510] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.559566][ T3510] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 109.570360][ T3510] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 109.580403][ T3510] bond0 (unregistering): Released all slaves [ 109.697303][ T3510] hsr_slave_0: left promiscuous mode [ 109.703654][ T3510] hsr_slave_1: left promiscuous mode [ 109.710024][ T3510] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 109.717424][ T3510] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 109.725682][ T3510] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 109.734824][ T3510] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 109.752982][ T3510] veth1_macvtap: left promiscuous mode [ 109.759357][ T3510] veth0_macvtap: left promiscuous mode [ 109.765026][ T3510] veth1_vlan: left promiscuous mode [ 109.771092][ T3510] veth0_vlan: left promiscuous mode [ 110.227490][ T3510] team0 (unregistering): Port device team_slave_1 removed [ 110.269452][ T3510] team0 (unregistering): Port device team_slave_0 removed [ 110.369768][ T5185] Bluetooth: hci0: command tx timeout [ 111.201808][ T6354] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 111.221680][ T6354] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 111.257589][ T6354] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 111.321377][ T6354] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 111.512066][ T6354] 8021q: adding VLAN 0 to HW filter on device bond0 [ 111.541683][ T6354] 8021q: adding VLAN 0 to HW filter on device team0 [ 111.555750][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 111.562982][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 111.579864][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 111.587069][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 111.844662][ T6354] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 111.903311][ T6354] veth0_vlan: entered promiscuous mode [ 111.917080][ T6354] veth1_vlan: entered promiscuous mode [ 111.957951][ T6354] veth0_macvtap: entered promiscuous mode [ 111.971157][ T6354] veth1_macvtap: entered promiscuous mode [ 111.995814][ T6354] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 112.015965][ T6354] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 112.039424][ T49] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.062919][ T49] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.093651][ T49] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.105958][ T49] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.143119][ T49] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 112.156869][ T49] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 112.189056][ T60] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 112.196909][ T60] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 112.346380][ C0] hrtimer: interrupt took 93982892 ns [ 112.447916][ T5185] Bluetooth: hci0: command tx timeout [ 133.608917][ T5185] Bluetooth: hci0: command tx timeout [ 133.616790][ T1302] ieee802154 phy0 wpan0: encryption failed: -22 [ 133.623538][ T1302] ieee802154 phy1 wpan1: encryption failed: -22 2025/09/19 06:51:18 executed programs: 1 [ 217.367725][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 217.374730][ C1] rcu: 0-...!: (2 ticks this GP) idle=8c5c/1/0x4000000000000000 softirq=24724/24729 fqs=18 [ 217.385529][ C1] rcu: (detected by 1, t=10502 jiffies, g=14521, q=1972 ncpus=2) [ 217.393450][ C1] Sending NMI from CPU 1 to CPUs 0: [ 217.393487][ C0] NMI backtrace for cpu 0 [ 217.393527][ C0] CPU: 0 UID: 0 PID: 6470 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 217.393544][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 217.393556][ C0] RIP: 0010:kasan_check_range+0x1d4/0x2c0 [ 217.393599][ C0] Code: 01 f3 49 8d 5c 24 07 4d 85 e4 49 0f 49 dc 48 83 e3 f8 49 29 dc 74 12 41 80 3b 00 0f 85 b8 00 00 00 49 ff c3 49 ff cc 75 ee 5b <41> 5c 41 5d 41 5e 41 5f 5d e9 4e d5 5a 09 cc 45 84 ff 75 63 41 f7 [ 217.393611][ C0] RSP: 0018:ffffc90000007bd0 EFLAGS: 00000056 [ 217.393629][ C0] RAX: 1ffff1100cb33701 RBX: 0000000000000000 RCX: ffffffff899bab83 [ 217.393640][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88807c1102e0 [ 217.393649][ C0] RBP: 0000000000000094 R08: ffff88807c1102e7 R09: 1ffff1100f82205c [ 217.393660][ C0] R10: dffffc0000000000 R11: ffffed100f82205d R12: 0000000000000001 [ 217.393678][ C0] R13: 0000000000024220 R14: ffffed100f82205d R15: 1ffff1100f82205c [ 217.393689][ C0] FS: 00007f01d577a880(0000) GS:ffff888125c13000(0000) knlGS:0000000000000000 [ 217.393702][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 217.393712][ C0] CR2: 00007ffc165cae64 CR3: 0000000076824000 CR4: 00000000003526f0 [ 217.393726][ C0] Call Trace: [ 217.393735][ C0] [ 217.393745][ C0] taprio_set_budgets+0x1e3/0x3b0 [ 217.393773][ C0] advance_sched+0x963/0xc90 [ 217.393797][ C0] ? __pfx_advance_sched+0x10/0x10 [ 217.393813][ C0] __hrtimer_run_queues+0x529/0xc60 [ 217.393837][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 217.393850][ C0] ? read_tsc+0x9/0x20 [ 217.393874][ C0] hrtimer_interrupt+0x45b/0xaa0 [ 217.393900][ C0] __sysvec_apic_timer_interrupt+0x108/0x410 [ 217.393918][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 217.393938][ C0] [ 217.393943][ C0] [ 217.393949][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 217.393965][ C0] RIP: 0010:kasan_check_range+0x9f/0x2c0 [ 217.393983][ C0] Code: 00 fc ff df 4d 8d 34 19 4d 89 f4 4d 29 dc 49 83 fc 10 7f 29 4d 85 e4 0f 84 41 01 00 00 4c 89 cb 48 f7 d3 4c 01 fb 41 80 3b 00 <0f> 85 de 01 00 00 49 ff c3 48 ff c3 75 ee e9 21 01 00 00 44 89 dd [ 217.393994][ C0] RSP: 0018:ffffc90003bdf200 EFLAGS: 00000246 [ 217.394007][ C0] RAX: 1ffff9200077be01 RBX: ffffffffffffffff RCX: ffffffff8172cd88 [ 217.394018][ C0] RDX: 0000000000000001 RSI: 0000000000000010 RDI: ffffc90003bdf378 [ 217.394028][ C0] RBP: 0000000000000000 R08: ffffc90003bdf387 R09: 1ffff9200077be70 [ 217.394038][ C0] R10: dffffc0000000000 R11: fffff5200077be70 R12: 0000000000000002 [ 217.394048][ C0] R13: ffffc90003bdf378 R14: fffff5200077be71 R15: 1ffff9200077be6f [ 217.394063][ C0] ? unwind_next_frame+0xc98/0x2390 [ 217.394084][ C0] __asan_memset+0x22/0x50 [ 217.394106][ C0] unwind_next_frame+0xc98/0x2390 [ 217.394124][ C0] ? unwind_next_frame+0xa5/0x2390 [ 217.394139][ C0] ? kasan_save_stack+0x3e/0x60 [ 217.394158][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 217.394174][ C0] arch_stack_walk+0x11c/0x150 [ 217.394195][ C0] ? kasan_record_aux_stack+0xbd/0xd0 [ 217.394211][ C0] stack_trace_save+0x9c/0xe0 [ 217.394227][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 217.394243][ C0] ? stack_trace_save+0x9c/0xe0 [ 217.394263][ C0] kasan_save_stack+0x3e/0x60 [ 217.394278][ C0] ? kasan_save_stack+0x3e/0x60 [ 217.394318][ C0] kasan_record_aux_stack+0xbd/0xd0 [ 217.394333][ C0] ? __pfx___d_free+0x10/0x10 [ 217.394349][ C0] call_rcu+0x157/0x9c0 [ 217.394370][ C0] ? __pfx_call_rcu+0x10/0x10 [ 217.394387][ C0] ? do_raw_spin_unlock+0x122/0x240 [ 217.394406][ C0] __dentry_kill+0x4d2/0x660 [ 217.394420][ C0] ? dput+0x37/0x2b0 [ 217.394433][ C0] dput+0x19f/0x2b0 [ 217.394446][ C0] step_into+0xa36/0xf30 [ 217.394462][ C0] ? __up_read+0x280/0x680 [ 217.394479][ C0] ? __pfx_step_into+0x10/0x10 [ 217.394502][ C0] path_openat+0x1bc6/0x3830 [ 217.394519][ C0] ? arch_stack_walk+0xfc/0x150 [ 217.394550][ C0] ? __pfx_path_openat+0x10/0x10 [ 217.394565][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 217.394588][ C0] do_filp_open+0x1fa/0x410 [ 217.394603][ C0] ? __lock_acquire+0xab9/0xd20 [ 217.394622][ C0] ? __pfx_do_filp_open+0x10/0x10 [ 217.394648][ C0] ? _raw_spin_unlock+0x28/0x50 [ 217.394667][ C0] ? alloc_fd+0x64c/0x6c0 [ 217.394690][ C0] do_sys_openat2+0x121/0x1c0 [ 217.394707][ C0] ? __pfx_do_sys_openat2+0x10/0x10 [ 217.394722][ C0] ? exc_page_fault+0x76/0xf0 [ 217.394738][ C0] ? do_user_addr_fault+0xc8a/0x1390 [ 217.394759][ C0] __x64_sys_openat+0x138/0x170 [ 217.394777][ C0] do_syscall_64+0xfa/0x3b0 [ 217.394792][ C0] ? lockdep_hardirqs_on+0x9c/0x150 [ 217.394806][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 217.394820][ C0] ? clear_bhb_loop+0x60/0xb0 [ 217.394836][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 217.394850][ C0] RIP: 0033:0x7f01d50a7407 [ 217.394873][ C0] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 217.394885][ C0] RSP: 002b:00007ffc165cb400 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 217.394899][ C0] RAX: ffffffffffffffda RBX: 00007f01d577a880 RCX: 00007f01d50a7407 [ 217.394910][ C0] RDX: 0000000000080000 RSI: 00007ffc165cb570 RDI: ffffffffffffff9c [ 217.394920][ C0] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 217.394929][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000055aec8e307f5 [ 217.394938][ C0] R13: 000055aec8e307f5 R14: 0000000000000001 R15: 000055aec8e4b140 [ 217.394956][ C0] [ 217.395479][ C1] rcu: rcu_preempt kthread starved for 8351 jiffies! g14521 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 217.952566][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 217.962713][ C1] rcu: RCU grace-period kthread stack dump: [ 217.968622][ C1] task:rcu_preempt state:R running task stack:27432 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000 [ 217.982115][ C1] Call Trace: [ 217.985385][ C1] [ 217.988402][ C1] __schedule+0x1798/0x4cc0 [ 217.993016][ C1] ? __lock_acquire+0xab9/0xd20 [ 217.997874][ C1] ? __pfx___schedule+0x10/0x10 [ 218.002732][ C1] ? schedule+0x91/0x360 [ 218.007057][ C1] schedule+0x165/0x360 [ 218.011209][ C1] schedule_timeout+0x12b/0x270 [ 218.016161][ C1] ? __pfx_schedule_timeout+0x10/0x10 [ 218.021527][ C1] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 218.027410][ C1] ? __pfx_process_timeout+0x10/0x10 [ 218.032785][ C1] ? prepare_to_swait_event+0x341/0x380 [ 218.038343][ C1] rcu_gp_fqs_loop+0x301/0x1540 [ 218.043203][ C1] ? __pfx_rcu_watching_snap_recheck+0x10/0x10 [ 218.049446][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 218.054731][ C1] ? _raw_spin_unlock_irq+0x2e/0x50 [ 218.060013][ C1] ? finish_swait+0xcd/0x1f0 [ 218.064611][ C1] rcu_gp_kthread+0x99/0x390 [ 218.069289][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 218.074492][ C1] ? __kthread_parkme+0x7b/0x200 [ 218.079434][ C1] ? __kthread_parkme+0x1a1/0x200 [ 218.084458][ C1] kthread+0x70e/0x8a0 [ 218.088742][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 218.093936][ C1] ? __pfx_kthread+0x10/0x10 [ 218.098526][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 218.103718][ C1] ? lockdep_hardirqs_on+0x9c/0x150 [ 218.108909][ C1] ? __pfx_kthread+0x10/0x10 [ 218.113493][ C1] ret_from_fork+0x439/0x7d0 [ 218.118079][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 218.123218][ C1] ? __switch_to_asm+0x39/0x70 [ 218.127973][ C1] ? __switch_to_asm+0x33/0x70 [ 218.132744][ C1] ? __pfx_kthread+0x10/0x10 [ 218.137329][ C1] ret_from_fork_asm+0x1a/0x30 [ 218.142109][ C1] [ 218.145218][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 218.151618][ C1] CPU: 1 UID: 0 PID: 6473 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 218.160455][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 218.170588][ C1] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 218.176307][ C1] Code: 53 e8 02 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d b3 29 0d 00 f3 0f 1e fa fb f4 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 [ 218.195904][ C1] RSP: 0018:ffffc90003c8f5f8 EFLAGS: 000002d3 [ 218.202166][ C1] RAX: ffffffff8172213d RBX: 0000000000000003 RCX: ffff888021721e00 [ 218.210163][ C1] RDX: 0000000000000000 RSI: ffffffff8d9ba1da RDI: ffffffff8be33f00 [ 218.218134][ C1] RBP: ffffc90003c8f6d0 R08: ffffffff8fa38f37 R09: 1ffffffff1f471e6 [ 218.226183][ C1] R10: dffffc0000000000 R11: fffffbfff1f471e7 R12: dffffc0000000000 [ 218.234150][ C1] R13: 0000000000000200 R14: 0000000000000003 R15: 1ffff92000791ec4 [ 218.242113][ C1] FS: 00007f01d577a880(0000) GS:ffff888125d13000(0000) knlGS:0000000000000000 [ 218.251038][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 218.257614][ C1] CR2: 00007ffc165ccffc CR3: 0000000074f9e000 CR4: 00000000003526f0 [ 218.265578][ C1] Call Trace: [ 218.268854][ C1] [ 218.271776][ C1] kvm_wait+0x232/0x290 [ 218.275929][ C1] ? lockdep_hardirqs_on+0x9c/0x150 [ 218.281121][ C1] ? __pfx_kvm_wait+0x10/0x10 [ 218.285803][ C1] __pv_queued_spin_lock_slowpath+0x7bf/0xb60 [ 218.291960][ C1] ? __pfx___pv_queued_spin_lock_slowpath+0x10/0x10 [ 218.298650][ C1] ? seqcount_lockdep_reader_access+0x122/0x1c0 [ 218.304901][ C1] queued_spin_lock_slowpath+0x43/0x50 [ 218.310443][ C1] do_raw_spin_lock+0x21f/0x290 [ 218.315378][ C1] ? lockref_get_not_dead+0x28/0xc0 [ 218.320575][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 218.325942][ C1] ? __asan_memcpy+0x40/0x70 [ 218.330537][ C1] lockref_get_not_dead+0x28/0xc0 [ 218.335573][ C1] try_to_unlazy+0x12a/0x580 [ 218.340205][ C1] complete_walk+0x125/0x370 [ 218.344808][ C1] path_lookupat+0x237/0x430 [ 218.349446][ C1] filename_lookup+0x212/0x570 [ 218.354212][ C1] ? kmem_cache_alloc_noprof+0x1c1/0x3c0 [ 218.359846][ C1] ? getname_flags+0xb8/0x540 [ 218.364528][ C1] ? __pfx_filename_lookup+0x10/0x10 [ 218.369851][ C1] ? __might_fault+0xb0/0x130 [ 218.374554][ C1] vfs_statx+0xf8/0x550 [ 218.378737][ C1] ? __pfx_vfs_statx+0x10/0x10 [ 218.383607][ C1] ? strncpy_from_user+0x150/0x290 [ 218.388816][ C1] ? getname_flags+0x1e5/0x540 [ 218.393601][ C1] vfs_fstatat+0x118/0x170 [ 218.398362][ C1] __x64_sys_newfstatat+0x116/0x190 [ 218.403574][ C1] ? __pfx___x64_sys_newfstatat+0x10/0x10 [ 218.409345][ C1] ? do_syscall_64+0xbe/0x3b0 [ 218.414035][ C1] do_syscall_64+0xfa/0x3b0 [ 218.418544][ C1] ? lockdep_hardirqs_on+0x9c/0x150 [ 218.423742][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 218.429913][ C1] ? clear_bhb_loop+0x60/0xb0 [ 218.434611][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 218.440677][ C1] RIP: 0033:0x7f01d5111b0a [ 218.445446][ C1] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 218.465090][ C1] RSP: 002b:00007ffc165ce048 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 218.473504][ C1] RAX: ffffffffffffffda RBX: 000000000000000e RCX: 00007f01d5111b0a [ 218.481645][ C1] RDX: 00007ffc165ce050 RSI: 00007ffc165ce120 RDI: 00000000ffffff9c [ 218.489785][ C1] RBP: 00007ffc165cf160 R08: 0000000000000000 R09: 0000000000000000 [ 218.497749][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc165cf580 [ 218.505732][ C1] R13: 0000000000000000 R14: 000055aec8e4b100 R15: 000055aec8e4b140 [ 218.513712][ C1]