syzkaller login: [ 97.153895][ T1369] cfg80211: failed to load regulatory.db
Warning: Permanently added '[localhost]:56438' (ED25519) to the list of known hosts.
2026/06/29 06:00:46 parsed 1 programs
2026/06/29 06:00:46 serving rpc on tcp://35607
[ 231.990577][ T5328] cgroup: Unknown subsys name 'net'
[ 232.074190][ T5328] cgroup: Unknown subsys name 'cpuset'
[ 232.082195][ T5328] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 233.790104][ T5328] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 241.387715][ T5342] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[ 246.161741][ T5389] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 246.172998][ T5389] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 246.178076][ T5389] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 246.186730][ T5389] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 246.194833][ T5389] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 247.130375][ T135] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 247.157193][ T135] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 248.268520][ T4654] Bluetooth: hci0: command tx timeout
[ 248.398607][ T5380] syz-executor (5380) used greatest stack depth: 17952 bytes left
[ 249.100721][ T135] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 249.128248][ T135] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 264.390054][ T5358] bridge0: port 1(bridge_slave_0) entered blocking state
[ 264.400847][ T5358] bridge0: port 1(bridge_slave_0) entered disabled state
[ 264.408345][ T5358] bridge_slave_0: entered allmulticast mode
[ 264.423470][ T5358] bridge_slave_0: entered promiscuous mode
[ 264.458146][ T5358] bridge0: port 2(bridge_slave_1) entered blocking state
[ 264.464393][ T5358] bridge0: port 2(bridge_slave_1) entered disabled state
[ 264.472607][ T5358] bridge_slave_1: entered allmulticast mode
[ 264.488715][ T5358] bridge_slave_1: entered promiscuous mode
[ 265.411129][ T5358] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 265.435673][ T5358] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 265.758920][ T5358] team0: Port device team_slave_0 added
[ 265.997031][ T5358] team0: Port device team_slave_1 added
[ 266.110401][ T1332] ieee802154 phy0 wpan0: encryption failed: -22
[ 266.112800][ T1332] ieee802154 phy1 wpan1: encryption failed: -22
[ 266.133215][ T5358] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 266.145628][ T5358] 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.
[ 266.180362][ T5358] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 267.094051][ T5358] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 267.102461][ T5358] 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.
[ 267.125290][ T5358] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 267.665640][ T5358] hsr_slave_0: entered promiscuous mode
[ 267.677394][ T5358] hsr_slave_1: entered promiscuous mode
[ 273.833915][ T5358] netdevsim netdevsim4 netdevsim0: renamed from eth0
[ 273.949139][ T5358] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 274.059349][ T5358] netdevsim netdevsim4 netdevsim1: renamed from eth1
[ 274.103331][ T5358] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 274.143504][ T5358] netdevsim netdevsim4 netdevsim2: renamed from eth2
[ 274.172363][ T5358] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 274.217228][ T5358] netdevsim netdevsim4 netdevsim3: renamed from eth3
[ 274.248072][ T5358] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 274.979104][ T5358] 8021q: adding VLAN 0 to HW filter on device bond0
[ 275.124649][ T5358] 8021q: adding VLAN 0 to HW filter on device team0
[ 275.182478][ T37] bridge0: port 1(bridge_slave_0) entered blocking state
[ 275.186749][ T37] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 275.299410][ T13] bridge0: port 2(bridge_slave_1) entered blocking state
[ 275.303399][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 276.994622][ T5358] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 277.647352][ T5358] veth0_vlan: entered promiscuous mode
[ 277.702560][ T5358] veth1_vlan: entered promiscuous mode
[ 277.839299][ T5358] veth0_macvtap: entered promiscuous mode
[ 277.867282][ T5358] veth1_macvtap: entered promiscuous mode
[ 277.932969][ T5358] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 277.975786][ T5358] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 278.046169][ T135] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 278.071322][ T135] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 278.084448][ T135] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 278.096493][ T135] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
2026/06/29 06:01:38 executed programs: 0
[ 281.068329][ T44] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 281.078225][ T44] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 281.087556][ T44] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 281.095908][ T5471] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 281.104265][ T5471] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 281.109144][ T5471] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 281.113734][ T44] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 281.119676][ T5471] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 281.148168][ T4654] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 281.163143][ T4654] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 281.296920][ T5358] syz-executor (5358) used greatest stack depth: 15856 bytes left
[ 281.496655][ T5389] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1
[ 281.515280][ T5389] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9
[ 281.522992][ T5389] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9
[ 281.540544][ T5389] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 281.559187][ T44] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4
[ 281.568933][ T44] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 281.573823][ T44] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2
[ 281.584158][ T44] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 281.593210][ T44] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 281.602866][ T44] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 281.618003][ T4654] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1
[ 281.652575][ T4654] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9
[ 281.659941][ T4654] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9
[ 281.671730][ T4654] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4
[ 281.689342][ T4654] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2
[ 281.867086][ T4654] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1
[ 281.876451][ T4654] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9
[ 281.888020][ T4654] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9
[ 281.899778][ T4654] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4
[ 281.907926][ T4654] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2
[ 283.147185][ T5389] Bluetooth: hci0: command tx timeout
[ 283.306728][ T5389] Bluetooth: hci1: command tx timeout
[ 283.357380][ T1059] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 283.708640][ T5389] Bluetooth: hci2: command tx timeout
[ 283.712931][ T4654] Bluetooth: hci4: command tx timeout
[ 283.786770][ T4654] Bluetooth: hci3: command tx timeout
[ 283.825233][ T1059] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 283.946368][ T4654] Bluetooth: hci5: command tx timeout
[ 284.121569][ T1059] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 284.435109][ T1059] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 285.104419][ T1059] bridge_slave_1: left allmulticast mode
[ 285.107929][ T1059] bridge_slave_1: left promiscuous mode
[ 285.113615][ T1059] bridge0: port 2(bridge_slave_1) entered disabled state
[ 285.128255][ T1059] bridge_slave_0: left allmulticast mode
[ 285.130662][ T1059] bridge_slave_0: left promiscuous mode
[ 285.134544][ T1059] bridge0: port 1(bridge_slave_0) entered disabled state
[ 285.229401][ T4654] Bluetooth: hci0: command tx timeout
[ 285.386563][ T4654] Bluetooth: hci1: command tx timeout
[ 285.410080][ T1059] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 285.416943][ T1059] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 285.423900][ T1059] bond0 (unregistering): Released all slaves
[ 285.786694][ T4654] Bluetooth: hci4: command tx timeout
[ 285.789447][ T5389] Bluetooth: hci2: command tx timeout
[ 285.811955][ T1059] hsr_slave_0: left promiscuous mode
[ 285.823388][ T1059] hsr_slave_1: left promiscuous mode
[ 285.827553][ T1059] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 285.831225][ T1059] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 285.844815][ T1059] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 285.856733][ T1059] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 285.867029][ T4654] Bluetooth: hci3: command tx timeout
[ 285.893571][ T1059] veth1_macvtap: left promiscuous mode
[ 285.897852][ T1059] veth0_macvtap: left promiscuous mode
[ 285.900597][ T1059] veth1_vlan: left promiscuous mode
[ 285.902993][ T1059] veth0_vlan: left promiscuous mode
[ 286.032573][ T4654] Bluetooth: hci5: command tx timeout
[ 286.182907][ T1059] team0 (unregistering): Port device team_slave_1 removed
[ 286.202650][ T1059] team0 (unregistering): Port device team_slave_0 removed
[ 287.306666][ T4654] Bluetooth: hci0: command tx timeout
[ 287.445954][ T5000] 8021q: adding VLAN 0 to HW filter on device eth2
[ 287.466630][ T4654] Bluetooth: hci1: command tx timeout
[ 287.798503][ T5468] bridge0: port 1(bridge_slave_0) entered blocking state
[ 287.807551][ T5468] bridge0: port 1(bridge_slave_0) entered disabled state
[ 287.816589][ T5468] bridge_slave_0: entered allmulticast mode
[ 287.824622][ T5468] bridge_slave_0: entered promiscuous mode
[ 287.866282][ T4654] Bluetooth: hci4: command tx timeout
[ 287.868759][ T5389] Bluetooth: hci2: command tx timeout
[ 287.893870][ T5468] bridge0: port 2(bridge_slave_1) entered blocking state
[ 287.897077][ T5468] bridge0: port 2(bridge_slave_1) entered disabled state
[ 287.900578][ T5468] bridge_slave_1: entered allmulticast mode
[ 287.904997][ T5468] bridge_slave_1: entered promiscuous mode
[ 287.946243][ T4654] Bluetooth: hci3: command tx timeout
[ 288.106124][ T4654] Bluetooth: hci5: command tx timeout
[ 288.119373][ T5476] bridge0: port 1(bridge_slave_0) entered blocking state
[ 288.123596][ T5476] bridge0: port 1(bridge_slave_0) entered disabled state
[ 288.127600][ T5476] bridge_slave_0: entered allmulticast mode
[ 288.132244][ T5476] bridge_slave_0: entered promiscuous mode
[ 288.142968][ T5468] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 288.178642][ T5467] bridge0: port 1(bridge_slave_0) entered blocking state
[ 288.184562][ T5467] bridge0: port 1(bridge_slave_0) entered disabled state
[ 288.190104][ T5467] bridge_slave_0: entered allmulticast mode
[ 288.194214][ T5467] bridge_slave_0: entered promiscuous mode
[ 288.201270][ T5476] bridge0: port 2(bridge_slave_1) entered blocking state
[ 288.206517][ T5476] bridge0: port 2(bridge_slave_1) entered disabled state
[ 288.209691][ T5476] bridge_slave_1: entered allmulticast mode
[ 288.213872][ T5476] bridge_slave_1: entered promiscuous mode
[ 288.220864][ T5468] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 288.261670][ T5467] bridge0: port 2(bridge_slave_1) entered blocking state
[ 288.268716][ T5467] bridge0: port 2(bridge_slave_1) entered disabled state
[ 288.274123][ T5467] bridge_slave_1: entered allmulticast mode
[ 288.287844][ T5467] bridge_slave_1: entered promiscuous mode
[ 288.505393][ T5476] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 288.530814][ T5476] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 288.582635][ T5490] bridge0: port 1(bridge_slave_0) entered blocking state
[ 288.590566][ T5490] bridge0: port 1(bridge_slave_0) entered disabled state
[ 288.597438][ T5490] bridge_slave_0: entered allmulticast mode
[ 288.607741][ T5490] bridge_slave_0: entered promiscuous mode
[ 288.618351][ T5481] bridge0: port 1(bridge_slave_0) entered blocking state
[ 288.625225][ T5481] bridge0: port 1(bridge_slave_0) entered disabled state
[ 288.636638][ T5481] bridge_slave_0: entered allmulticast mode
[ 288.649747][ T5481] bridge_slave_0: entered promiscuous mode
[ 288.660880][ T5467] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 288.679296][ T5467] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 288.727851][ T5468] team0: Port device team_slave_0 added
[ 288.741923][ T5490] bridge0: port 2(bridge_slave_1) entered blocking state
[ 288.747069][ T5490] bridge0: port 2(bridge_slave_1) entered disabled state
[ 288.750333][ T5490] bridge_slave_1: entered allmulticast mode
[ 288.754665][ T5490] bridge_slave_1: entered promiscuous mode
[ 288.759401][ T5481] bridge0: port 2(bridge_slave_1) entered blocking state
[ 288.762886][ T5481] bridge0: port 2(bridge_slave_1) entered disabled state
[ 288.766992][ T5481] bridge_slave_1: entered allmulticast mode
[ 288.770888][ T5481] bridge_slave_1: entered promiscuous mode
[ 288.792748][ T5000] 8021q: adding VLAN 0 to HW filter on device eth3
[ 288.802912][ T5476] team0: Port device team_slave_0 added
[ 288.808575][ T5468] team0: Port device team_slave_1 added
[ 288.811702][ T5473] bridge0: port 1(bridge_slave_0) entered blocking state
[ 288.815795][ T5473] bridge0: port 1(bridge_slave_0) entered disabled state
[ 288.819815][ T5473] bridge_slave_0: entered allmulticast mode
[ 288.824027][ T5473] bridge_slave_0: entered promiscuous mode
[ 288.864041][ T5476] team0: Port device team_slave_1 added
[ 288.878514][ T5473] bridge0: port 2(bridge_slave_1) entered blocking state
[ 288.881660][ T5473] bridge0: port 2(bridge_slave_1) entered disabled state
[ 288.884624][ T5473] bridge_slave_1: entered allmulticast mode
[ 288.889664][ T5473] bridge_slave_1: entered promiscuous mode
[ 288.920920][ T5467] team0: Port device team_slave_0 added
[ 288.963511][ T5490] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 288.971273][ T5490] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 288.981178][ T5481] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 288.989246][ T5467] team0: Port device team_slave_1 added
[ 289.004896][ T5468] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 289.008305][ T5468] 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.
[ 289.020310][ T5468] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 289.060239][ T5481] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 289.079186][ T5476] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 289.082336][ T5476] 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.
[ 289.094759][ T5476] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 289.102503][ T5468] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 289.105848][ T5468] 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.
[ 289.118678][ T5468] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 289.136713][ T5473] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 289.198399][ T5476] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 289.201631][ T5476] 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.
[ 289.214545][ T5476] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 289.225751][ T5473] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 289.242406][ T5490] team0: Port device team_slave_0 added
[ 289.249774][ T5481] team0: Port device team_slave_0 added
[ 289.254640][ T5467] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 289.261493][ T5467] 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.
[ 289.273389][ T5467] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 289.313994][ T5490] team0: Port device team_slave_1 added
[ 289.318617][ T5481] team0: Port device team_slave_1 added
[ 289.323913][ T5467] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 289.332012][ T5467] 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.
[ 289.356525][ T5467] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 289.386421][ T4654] Bluetooth: hci0: command tx timeout
[ 289.404164][ T5473] team0: Port device team_slave_0 added
[ 289.420333][ T5473] team0: Port device team_slave_1 added
[ 289.546818][ T4654] Bluetooth: hci1: command tx timeout
[ 289.600694][ T5468] hsr_slave_0: entered promiscuous mode
[ 289.610921][ T5468] hsr_slave_1: entered promiscuous mode
[ 289.682725][ T5481] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 289.696434][ T5481] 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.
[ 289.727561][ T5481] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 289.761162][ T5473] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 289.772207][ T5473] 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.
[ 289.785664][ T5473] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 289.793695][ T5490] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 289.798960][ T5490] 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.
[ 289.811393][ T5490] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 289.829928][ T5481] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 289.833427][ T5481] 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.
[ 289.846313][ T5481] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 289.864506][ T5476] hsr_slave_0: entered promiscuous mode
[ 289.868709][ T5476] hsr_slave_1: entered promiscuous mode
[ 289.871974][ T5476] debugfs: 'hsr0' already exists in 'hsr'
[ 289.874936][ T5476] Cannot create hsr debugfs directory
[ 289.881541][ T5000] 8021q: adding VLAN 0 to HW filter on device eth4
[ 289.888154][ T5473] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 289.891768][ T5473] 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.
[ 289.903586][ T5473] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 289.911271][ T5490] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 289.914188][ T5490] 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.
[ 289.927403][ T5490] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 289.947780][ T4654] Bluetooth: hci4: command tx timeout
[ 289.950910][ T5389] Bluetooth: hci2: command tx timeout
[ 290.007107][ T5467] hsr_slave_0: entered promiscuous mode
[ 290.010305][ T5467] hsr_slave_1: entered promiscuous mode
[ 290.013574][ T5467] debugfs: 'hsr0' already exists in 'hsr'
[ 290.017085][ T5467] Cannot create hsr debugfs directory
[ 290.028603][ T4654] Bluetooth: hci3: command tx timeout
[ 290.113485][ T5481] hsr_slave_0: entered promiscuous mode
[ 290.117685][ T5481] hsr_slave_1: entered promiscuous mode
[ 290.120852][ T5481] debugfs: 'hsr0' already exists in 'hsr'
[ 290.123420][ T5481] Cannot create hsr debugfs directory
[ 290.180163][ T5473] hsr_slave_0: entered promiscuous mode
[ 290.183432][ T5473] hsr_slave_1: entered promiscuous mode
[ 290.188021][ T4654] Bluetooth: hci5: command tx timeout
[ 290.193086][ T5473] debugfs: 'hsr0' already exists in 'hsr'
[ 290.196280][ T5473] Cannot create hsr debugfs directory
[ 290.324017][ T5490] hsr_slave_0: entered promiscuous mode
[ 290.327983][ T5490] hsr_slave_1: entered promiscuous mode
[ 290.331131][ T5490] debugfs: 'hsr0' already exists in 'hsr'
[ 290.333529][ T5490] Cannot create hsr debugfs directory
[ 291.089519][ T5000] 8021q: adding VLAN 0 to HW filter on device eth5
[ 291.611013][ T5468] netdevsim netdevsim1 netdevsim0: renamed from eth0
[ 291.661440][ T5468] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 291.673543][ T5468] netdevsim netdevsim1 netdevsim1: renamed from eth1
[ 291.689388][ T5468] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 291.700529][ T5468] netdevsim netdevsim1 netdevsim2: renamed from eth2
[ 291.728335][ T5468] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 291.752351][ T5468] netdevsim netdevsim1 netdevsim3: renamed from eth3
[ 291.773345][ T5468] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 291.971815][ T5476] netdevsim netdevsim3 netdevsim0: renamed from eth0
[ 291.984332][ T5476] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 291.997204][ T5476] netdevsim netdevsim3 netdevsim1: renamed from eth1
[ 292.010536][ T5476] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 292.019742][ T5476] netdevsim netdevsim3 netdevsim2: renamed from eth2
[ 292.035492][ T5476] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 292.182052][ T5476] netdevsim netdevsim3 netdevsim3: renamed from eth3
[ 292.210480][ T5476] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 292.562163][ T5468] 8021q: adding VLAN 0 to HW filter on device bond0
[ 292.723804][ T5468] 8021q: adding VLAN 0 to HW filter on device team0
[ 292.760949][ T1139] bridge0: port 1(bridge_slave_0) entered blocking state
[ 292.764166][ T1139] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 292.821112][ T1139] bridge0: port 2(bridge_slave_1) entered blocking state
[ 292.824186][ T1139] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 293.092603][ T5476] 8021q: adding VLAN 0 to HW filter on device bond0
[ 293.230855][ T5476] 8021q: adding VLAN 0 to HW filter on device team0
[ 293.286729][ T37] bridge0: port 1(bridge_slave_0) entered blocking state
[ 293.289934][ T37] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 293.334784][ T5473] netdevsim netdevsim2 netdevsim0: renamed from eth0
[ 293.365530][ T5473] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 293.401422][ T37] bridge0: port 2(bridge_slave_1) entered blocking state
[ 293.405657][ T37] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 293.438590][ T5473] netdevsim netdevsim2 netdevsim1: renamed from eth1
[ 293.461404][ T5473] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 293.473671][ T5473] netdevsim netdevsim2 netdevsim2: renamed from eth2
[ 293.495484][ T5473] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 293.518950][ T5473] netdevsim netdevsim2 netdevsim3: renamed from eth3
[ 293.542379][ T5473] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 294.115343][ T5490] netdevsim netdevsim5 netdevsim0: renamed from eth0
[ 294.154531][ T5490] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 294.205732][ T5490] netdevsim netdevsim5 netdevsim1: renamed from eth1
[ 294.251382][ T5490] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 294.268938][ T5490] netdevsim netdevsim5 netdevsim2: renamed from eth2
[ 294.293324][ T5490] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 294.447287][ T5490] netdevsim netdevsim5 netdevsim3: renamed from eth3
[ 294.473988][ T5490] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 294.898652][ T5467] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 294.944720][ T5467] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 294.964259][ T5467] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 294.981840][ T5467] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 295.004727][ T5468] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 295.051917][ T5467] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 295.086590][ T5467] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 295.112761][ T5467] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 295.145946][ T5467] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 295.594575][ T5481] netdevsim netdevsim4 netdevsim0: renamed from eth0
[ 295.630725][ T5481] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 295.638898][ T5481] netdevsim netdevsim4 netdevsim1: renamed from eth1
[ 295.669164][ T5481] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 295.701797][ T5473] 8021q: adding VLAN 0 to HW filter on device bond0
[ 295.714712][ T5481] netdevsim netdevsim4 netdevsim2: renamed from eth2
[ 295.740488][ T5481] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 295.827778][ T5481] netdevsim netdevsim4 netdevsim3: renamed from eth3
[ 295.857257][ T5481] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 296.042961][ T5468] veth0_vlan: entered promiscuous mode
[ 296.075273][ T5473] 8021q: adding VLAN 0 to HW filter on device team0
[ 296.120936][ T5490] 8021q: adding VLAN 0 to HW filter on device bond0
[ 296.211271][ T30] bridge0: port 1(bridge_slave_0) entered blocking state
[ 296.214457][ T30] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 296.249104][ T5468] veth1_vlan: entered promiscuous mode
[ 296.344517][ T30] bridge0: port 2(bridge_slave_1) entered blocking state
[ 296.347912][ T30] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 296.416556][ T5490] 8021q: adding VLAN 0 to HW filter on device team0
[ 296.445515][ T5476] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 296.504408][ T1059] bridge0: port 1(bridge_slave_0) entered blocking state
[ 296.507930][ T1059] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 296.579504][ T1059] bridge0: port 2(bridge_slave_1) entered blocking state
[ 296.582658][ T1059] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 296.679859][ T5467] 8021q: adding VLAN 0 to HW filter on device bond0
[ 296.765064][ T5468] veth0_macvtap: entered promiscuous mode
[ 296.858047][ T5468] veth1_macvtap: entered promiscuous mode
[ 296.900030][ T5467] 8021q: adding VLAN 0 to HW filter on device team0
[ 296.953496][ T5481] 8021q: adding VLAN 0 to HW filter on device bond0
[ 297.032532][ T135] bridge0: port 1(bridge_slave_0) entered blocking state
[ 297.036189][ T135] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 297.092796][ T5468] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 297.128413][ T37] bridge0: port 2(bridge_slave_1) entered blocking state
[ 297.131915][ T37] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 297.165301][ T5468] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 297.198496][ T5476] veth0_vlan: entered promiscuous mode
[ 297.222262][ T5481] 8021q: adding VLAN 0 to HW filter on device team0
[ 297.254850][ T135] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 297.272518][ T135] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 297.298247][ T135] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 297.312400][ T1059] bridge0: port 1(bridge_slave_0) entered blocking state
[ 297.315510][ T1059] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 297.354511][ T135] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 297.375544][ T5476] veth1_vlan: entered promiscuous mode
[ 297.419143][ T135] bridge0: port 2(bridge_slave_1) entered blocking state
[ 297.422229][ T135] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 297.946904][ T5476] veth0_macvtap: entered promiscuous mode
[ 297.989301][ T1059] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 298.018548][ T1059] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 298.022871][ T5476] veth1_macvtap: entered promiscuous mode
[ 298.317595][ T135] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 298.343591][ T135] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 298.378657][ T5476] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 298.460275][ T5476] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 298.541795][ T135] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 298.565786][ T135] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 298.598306][ T135] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 298.634633][ T135] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
2026/06/29 06:01:56 executed programs: 12
[ 404.015982][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 404.019022][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-0): P5732/1:b..l
[ 404.022565][ C0] rcu: (detected by 0, t=10502 jiffies, g=67445, q=170 ncpus=1)
[ 404.026177][ C0] task:modprobe state:R running task stack:23440 pid:5732 tgid:5732 ppid:13 task_flags:0x40000c flags:0x00080001
[ 404.033629][ C0] Call Trace:
[ 404.035017][ C0]
[ 404.036169][ C0] __schedule+0x17d9/0x56c0
[ 404.038127][ C0] ? ktime_get+0x1f5/0x220
[ 404.039939][ C0] ? __lock_acquire+0x683/0x2cf0
[ 404.041942][ C0] ? __pfx___schedule+0x10/0x10
[ 404.043842][ C0] ? __lock_acquire+0x683/0x2cf0
[ 404.046843][ C0] preempt_schedule_irq+0x4d/0xa0
[ 404.049336][ C0] irqentry_exit+0x14f/0x8f0
[ 404.051476][ C0] ? trace_irq_disable+0x3b/0x140
[ 404.053707][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 404.056144][ C0] RIP: 0010:lock_acquire+0x221/0x350
[ 404.058365][ C0] Code: ff ff ff e8 41 b0 14 0a f7 44 24 08 00 02 00 00 0f 84 3a ff ff ff 65 48 8b 05 2b 9b 9e 11 48 3b 44 24 58 75 33 fb 48 83 c4 60 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 10 b1 17 0a cc 48 8d 3d 78 97 94
[ 404.067750][ C0] RSP: 0018:ffffc90003c9f4d0 EFLAGS: 00000282
[ 404.070318][ C0] RAX: 86ddc76d35a6a900 RBX: 0000000000000000 RCX: 0000000000000046
[ 404.073710][ C0] RDX: 000000000a784b47 RSI: ffffffff8e263c7e RDI: ffffffff8c2ac780
[ 404.076937][ C0] RBP: ffffffff81d6c366 R08: ffffffff81d6c366 R09: 0000000000000000
[ 404.080324][ C0] R10: 0000000000000000 R11: ffffffff8e959c20 R12: 0000000000000002
[ 404.084188][ C0] R13: ffffffff8e959c20 R14: 0000000000000000 R15: 0000000000000246
[ 404.087951][ C0] ? is_bpf_text_address+0x26/0x2b0
[ 404.090261][ C0] ? is_bpf_text_address+0x26/0x2b0
[ 404.092466][ C0] is_bpf_text_address+0x47/0x2b0
[ 404.094563][ C0] ? is_bpf_text_address+0x26/0x2b0
[ 404.096639][ C0] ? is_bpf_text_address+0x26/0x2b0
[ 404.099005][ C0] kernel_text_address+0xa5/0xe0
[ 404.101372][ C0] __kernel_text_address+0xd/0x30
[ 404.104002][ C0] unwind_get_return_address+0x4d/0x90
[ 404.106402][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 404.109031][ C0] arch_stack_walk+0xfb/0x150
[ 404.110971][ C0] stack_trace_save+0xa9/0x100
[ 404.112959][ C0] ? __pfx_stack_trace_save+0x10/0x10
[ 404.115275][ C0] kasan_save_stack+0x3e/0x60
[ 404.117371][ C0] ? kasan_save_stack+0x3e/0x60
[ 404.119511][ C0] ? kasan_record_aux_stack+0xbd/0xd0
[ 404.121894][ C0] ? call_rcu+0xee/0x8b0
[ 404.123700][ C0] ? kmem_cache_free+0x462/0x650
[ 404.125733][ C0] ? tear_down_vmas+0x312/0x520
[ 404.127885][ C0] ? exit_mmap+0x4ca/0x9f0
[ 404.129813][ C0] ? __mmput+0x118/0x420
[ 404.131844][ C0] ? exit_mm+0x221/0x2d0
[ 404.133858][ C0] ? do_exit+0x6cd/0x2360
[ 404.135616][ C0] ? do_group_exit+0x22d/0x2f0
[ 404.137489][ C0] ? __x64_sys_exit_group+0x3f/0x40
[ 404.139641][ C0] ? x64_sys_call+0x221a/0x2240
[ 404.141708][ C0] ? do_syscall_64+0x174/0x580
[ 404.143890][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 404.147189][ C0] ? tear_down_vmas+0x312/0x520
[ 404.149786][ C0] kasan_record_aux_stack+0xbd/0xd0
[ 404.152093][ C0] ? __pfx_slab_free_after_rcu_debug+0x10/0x10
[ 404.154699][ C0] call_rcu+0xee/0x8b0
[ 404.156430][ C0] ? tear_down_vmas+0x312/0x520
[ 404.158566][ C0] kmem_cache_free+0x462/0x650
[ 404.160681][ C0] tear_down_vmas+0x312/0x520
[ 404.162688][ C0] exit_mmap+0x4ca/0x9f0
[ 404.164677][ C0] ? __pfx_exit_mmap+0x10/0x10
[ 404.167204][ C0] ? __pfx_exit_aio+0x10/0x10
[ 404.169594][ C0] ? arch_uprobe_clear_state+0x1c8/0x240
[ 404.172242][ C0] ? uprobe_clear_state+0x2ac/0x3e0
[ 404.174569][ C0] __mmput+0x118/0x420
[ 404.176308][ C0] exit_mm+0x221/0x2d0
[ 404.178124][ C0] do_exit+0x6cd/0x2360
[ 404.179855][ C0] ? __pfx_do_exit+0x10/0x10
[ 404.181803][ C0] ? do_raw_spin_lock+0x12b/0x2f0
[ 404.184200][ C0] ? _raw_spin_unlock_irq+0x23/0x50
[ 404.187036][ C0] do_group_exit+0x22d/0x2f0
[ 404.189451][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 404.192367][ C0] __x64_sys_exit_group+0x3f/0x40
[ 404.194511][ C0] x64_sys_call+0x221a/0x2240
[ 404.196508][ C0] do_syscall_64+0x174/0x580
[ 404.198545][ C0] ? trace_irq_disable+0x3b/0x140
[ 404.200705][ C0] ? clear_bhb_loop+0x40/0x90
[ 404.202721][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 404.205390][ C0] RIP: 0033:0x7f8def8236c5
[ 404.207775][ C0] RSP: 002b:00007ffc61f0e7e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7
[ 404.211720][ C0] RAX: ffffffffffffffda RBX: 00007f8def924fe8 RCX: 00007f8def8236c5
[ 404.214996][ C0] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000001
[ 404.218271][ C0] RBP: 0000000000000001 R08: 00007ffc61f0e778 R09: 0000000000000000
[ 404.222111][ C0] R10: 00007ffc61f0e610 R11: 0000000000000206 R12: 0000000000000000
[ 404.226177][ C0] R13: 0000000000000001 R14: 00007f8def923680 R15: 00007f8def925000
[ 404.229594][ C0]
[ 404.230981][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g67445 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 404.235542][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 404.240495][ C0] rcu: RCU grace-period kthread stack dump:
[ 404.243630][ C0] task:rcu_preempt state:R running task stack:27304 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000
[ 404.249403][ C0] Call Trace:
[ 404.250810][ C0]
[ 404.252072][ C0] __schedule+0x17d9/0x56c0
[ 404.253983][ C0] ? __lock_acquire+0x683/0x2cf0
[ 404.256090][ C0] ? __pfx___schedule+0x10/0x10
[ 404.258461][ C0] ? schedule+0x90/0x2b0
[ 404.260578][ C0] schedule+0x164/0x2b0
[ 404.262555][ C0] schedule_timeout+0x152/0x2c0
[ 404.264713][ C0] ? __pfx_schedule_timeout+0x10/0x10
[ 404.266929][ C0] ? __pfx_process_timeout+0x10/0x10
[ 404.269156][ C0] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 404.271986][ C0] ? prepare_to_swait_event+0x322/0x350
[ 404.274884][ C0] rcu_gp_fqs_loop+0x30c/0x11f0
[ 404.277483][ C0] ? lockdep_hardirqs_on+0x7a/0x110
[ 404.280060][ C0] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 404.282693][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10
[ 404.285010][ C0] ? _raw_spin_unlock_irq+0x2e/0x50
[ 404.287321][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 404.289924][ C0] rcu_gp_kthread+0x9e/0x2b0
[ 404.292261][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10
[ 404.294869][ C0] ? __kthread_parkme+0x71/0x1f0
[ 404.297127][ C0] ? __kthread_parkme+0x196/0x1f0
[ 404.299415][ C0] kthread+0x388/0x470
[ 404.301156][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10
[ 404.303261][ C0] ? __pfx_kthread+0x10/0x10
[ 404.305308][ C0] ret_from_fork+0x514/0xb70
[ 404.307599][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 404.310067][ C0] ? __switch_to+0xc89/0x1420
[ 404.312122][ C0] ? __pfx_kthread+0x10/0x10
[ 404.314121][ C0] ret_from_fork_asm+0x1a/0x30
[ 404.316194][ C0]
[ 404.317665][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 404.320406][ C0] CPU: 0 UID: 0 PID: 5734 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full)
[ 404.324824][ C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 404.329322][ C0] RIP: 0010:should_fail_ex+0x4/0x560
[ 404.331566][ C0] Code: 8f 4c 89 f2 31 c9 e8 7b 29 c5 ff eb cf 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 <55> 41 57 41 56 41 55 41 54 53 48 83 ec 18 89 14 24 49 89 f6 48 89
[ 404.339567][ C0] RSP: 0018:ffffc90000007a00 EFLAGS: 00000246
[ 404.342185][ C0] RAX: 0000000000000000 RBX: 0000000000000001 RCX: dffffc0000000000
[ 404.346173][ C0] RDX: 0000000000000001 RSI: 00000000000002c0 RDI: ffffffff8eaa49c0
[ 404.349995][ C0] RBP: 0000000000082820 R08: ffff88804c376d47 R09: 0000000000000000
[ 404.353282][ C0] R10: ffff88804c376d00 R11: ffffed100986eda9 R12: dffffc0000000000
[ 404.356480][ C0] R13: 00000000ffffffff R14: ffff888030417a1c R15: 0000000000082820
[ 404.359901][ C0] FS: 00007f6f7b6d46c0(0000) GS:ffff88808c815000(0000) knlGS:0000000000000000
[ 404.364147][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 404.367411][ C0] CR2: 00007fb9d89e7e9c CR3: 00000000446a3000 CR4: 0000000000352ef0
[ 404.370908][ C0] Call Trace:
[ 404.372325][ C0]
[ 404.373532][ C0] should_failslab+0xa8/0x100
[ 404.375529][ C0] kmem_cache_alloc_node_noprof+0xb3/0x610
[ 404.378101][ C0] ? __alloc_skb+0x276/0x7a0
[ 404.380126][ C0] ? __alloc_skb+0x276/0x7a0
[ 404.382619][ C0] __alloc_skb+0x276/0x7a0
[ 404.384986][ C0] ndisc_alloc_skb+0xa0/0x480
[ 404.387026][ C0] ndisc_send_rs+0x288/0x6b0
[ 404.388930][ C0] ? ipv6_get_lladdr+0x2b/0x3f0
[ 404.390982][ C0] addrconf_rs_timer+0x2d2/0x6c0
[ 404.392973][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10
[ 404.395276][ C0] ? call_timer_fn+0xd1/0x5e0
[ 404.397281][ C0] call_timer_fn+0x192/0x5e0
[ 404.399427][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10
[ 404.402682][ C0] ? call_timer_fn+0xd4/0x5e0
[ 404.404964][ C0] ? __pfx_call_timer_fn+0x10/0x10
[ 404.407103][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10
[ 404.409386][ C0] __run_timer_base+0x652/0x8b0
[ 404.411532][ C0] ? __pfx___run_timer_base+0x10/0x10
[ 404.413813][ C0] ? __pfx_run_timer_softirq+0x10/0x10
[ 404.416557][ C0] run_timer_softirq+0xb7/0x170
[ 404.419148][ C0] handle_softirqs+0x225/0x840
[ 404.421115][ C0] ? __irq_exit_rcu+0xca/0x220
[ 404.423087][ C0] __irq_exit_rcu+0xca/0x220
[ 404.425066][ C0] irq_exit_rcu+0x9/0x30
[ 404.426904][ C0] sysvec_apic_timer_interrupt+0xa6/0xc0
[ 404.429391][ C0]
[ 404.430872][ C0]
[ 404.432286][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 404.435068][ C0] RIP: 0010:generic_exec_single+0x3e7/0x430
[ 404.437726][ C0] Code: 75 11 e8 8c 3e 0c 00 48 85 db 75 16 e8 82 3e 0c 00 eb 15 e8 7b 3e 0c 00 e8 86 91 fc 09 48 85 db 74 ea e8 6c 3e 0c 00 fb 31 c0 <48> 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 50
[ 404.446156][ C0] RSP: 0018:ffffc90003cf7a60 EFLAGS: 00000246
[ 404.450090][ C0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffff888032948000
[ 404.453426][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 404.456683][ C0] RBP: 0000000000000001 R08: ffffffff90331ef7 R09: 1ffffffff20663de
[ 404.459942][ C0] R10: dffffc0000000000 R11: fffffbfff20663df R12: 1ffff9200079ef61
[ 404.463066][ C0] R13: 1ffff9200079ef63 R14: 0000000000000000 R15: ffffc90003cf7b18
[ 404.466636][ C0] smp_call_function_single+0x34a/0x5a0
[ 404.469664][ C0] ? __pfx_remote_function+0x10/0x10
[ 404.472013][ C0] ? __pfx_smp_call_function_single+0x10/0x10
[ 404.474550][ C0] ? __pfx_remote_function+0x10/0x10
[ 404.476703][ C0] perf_install_in_context+0x5bd/0x900
[ 404.479180][ C0] ? alloc_file_pseudo+0x156/0x1e0
[ 404.481996][ C0] ? __pfx_perf_install_in_context+0x10/0x10
[ 404.484977][ C0] ? __pfx___perf_install_in_context+0x10/0x10
[ 404.487734][ C0] ? anon_inode_getfile+0x106/0x1a0
[ 404.489856][ C0] ? perf_event__header_size+0x168/0x230
[ 404.492308][ C0] __se_sys_perf_event_open+0x1906/0x1d40
[ 404.494948][ C0] ? __pfx___se_sys_perf_event_open+0x10/0x10
[ 404.497782][ C0] ? _raw_spin_unlock_irq+0x23/0x50
[ 404.500308][ C0] ? do_user_addr_fault+0xc4a/0x1340
[ 404.502702][ C0] ? __x64_sys_perf_event_open+0x20/0xc0
[ 404.505029][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 404.507643][ C0] do_syscall_64+0x174/0x580
[ 404.510071][ C0] ? trace_irq_disable+0x3b/0x140
[ 404.512966][ C0] ? clear_bhb_loop+0x40/0x90
[ 404.515367][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 404.518052][ C0] RIP: 0033:0x7f6f7a79ce59
[ 404.519986][ C0] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 404.528772][ C0] RSP: 002b:00007f6f7b6d4028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
[ 404.532558][ C0] RAX: ffffffffffffffda RBX: 00007f6f7aa15fa0 RCX: 00007f6f7a79ce59
[ 404.536023][ C0] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0
[ 404.539551][ C0] RBP: 00007f6f7a832e6f R08: 0000000000000000 R09: 0000000000000000
[ 404.543325][ C0] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
[ 404.546890][ C0] R13: 00007f6f7aa16038 R14: 00007f6f7aa15fa0 R15: 00007ffd19c81f78
[ 404.550563][ C0]