syzkaller login: [ 86.918367][ T14] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.70' (ED25519) to the list of known hosts. 2025/12/02 07:21:00 parsed 1 programs [ 92.735335][ T4282] cgroup: Unknown subsys name 'net' [ 92.863374][ T4282] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 94.443448][ T4282] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 96.598846][ T4295] chnl_net:caif_netlink_parms(): no params data found [ 96.646933][ T4295] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.654707][ T4295] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.663745][ T4295] device bridge_slave_0 entered promiscuous mode [ 96.672769][ T4295] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.680392][ T4295] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.688781][ T4295] device bridge_slave_1 entered promiscuous mode [ 96.713440][ T4295] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.724541][ T4295] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.748782][ T4295] team0: Port device team_slave_0 added [ 96.756025][ T4295] team0: Port device team_slave_1 added [ 96.774213][ T4295] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.781327][ T4295] 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 1560 would solve the problem. [ 96.807775][ T4295] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.824083][ T4295] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.831222][ T4295] 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 1560 would solve the problem. [ 96.857415][ T4295] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.890232][ T4295] device hsr_slave_0 entered promiscuous mode [ 96.897581][ T4295] device hsr_slave_1 entered promiscuous mode [ 96.994734][ T4295] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 97.005479][ T4295] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 97.016375][ T4295] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 97.026345][ T4295] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 97.061283][ T4295] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.068641][ T4295] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.076463][ T4295] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.083660][ T4295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.145436][ T4295] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.159405][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 97.170524][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.179912][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.189275][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 97.208811][ T4295] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.227625][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 97.238079][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.245176][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.259945][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 97.268822][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.275893][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.298472][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 97.309942][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 97.323810][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 97.335376][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 97.347361][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 97.360845][ T4295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 97.523683][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 97.531312][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 97.544145][ T4295] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 97.564227][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 97.573305][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 97.591199][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 97.600317][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 97.608936][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 97.617405][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 97.630536][ T4295] device veth0_vlan entered promiscuous mode [ 97.645917][ T4295] device veth1_vlan entered promiscuous mode [ 97.668720][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 97.677553][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 97.685742][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 97.694591][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 97.708259][ T4295] device veth0_macvtap entered promiscuous mode [ 97.718221][ T4295] device veth1_macvtap entered promiscuous mode [ 97.733957][ T4295] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 97.742195][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 97.750688][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 97.759528][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 97.768773][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 97.781778][ T4295] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 97.791525][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 97.801428][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 97.813818][ T4295] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.822985][ T4295] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.832015][ T4295] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.841463][ T4295] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.993298][ T40] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.904697][ T4342] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 98.914109][ T4342] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 98.922243][ T4342] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 98.931311][ T4342] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 98.939493][ T4342] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 98.948118][ T4342] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 99.143564][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.153221][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 99.171618][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 99.183144][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.191389][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 99.200874][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/12/02 07:21:09 executed programs: 0 [ 100.207323][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 100.215276][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 100.223660][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 100.232221][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 100.239946][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 100.248152][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 100.366188][ T4366] chnl_net:caif_netlink_parms(): no params data found [ 100.410088][ T4366] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.417301][ T4366] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.425227][ T4366] device bridge_slave_0 entered promiscuous mode [ 100.433347][ T4366] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.440764][ T4366] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.448780][ T4366] device bridge_slave_1 entered promiscuous mode [ 100.472834][ T4366] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 100.485648][ T4366] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 100.521225][ T40] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.536414][ T4366] team0: Port device team_slave_0 added [ 100.543892][ T4366] team0: Port device team_slave_1 added [ 100.562837][ T4366] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 100.569972][ T4366] 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 1560 would solve the problem. [ 100.596030][ T4366] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 100.608966][ T4366] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 100.615949][ T4366] 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 1560 would solve the problem. [ 100.641971][ T4366] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 100.675012][ T4366] device hsr_slave_0 entered promiscuous mode [ 100.682126][ T4366] device hsr_slave_1 entered promiscuous mode [ 100.689783][ T4366] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 100.698143][ T4366] Cannot create hsr debugfs directory [ 102.277500][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 102.626781][ T40] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.690138][ T40] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 103.548620][ T40] device hsr_slave_0 left promiscuous mode [ 103.555350][ T40] device hsr_slave_1 left promiscuous mode [ 103.563658][ T40] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 103.571802][ T40] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 103.581838][ T40] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 103.591789][ T40] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 103.600035][ T40] device bridge_slave_1 left promiscuous mode [ 103.607211][ T40] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.623456][ T40] device bridge_slave_0 left promiscuous mode [ 103.629944][ T40] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.662284][ T40] device veth1_macvtap left promiscuous mode [ 103.669211][ T40] device veth0_macvtap left promiscuous mode [ 103.675378][ T40] device veth1_vlan left promiscuous mode [ 103.684529][ T40] device veth0_vlan left promiscuous mode [ 104.039987][ T40] team0 (unregistering): Port device team_slave_1 removed [ 104.070498][ T40] team0 (unregistering): Port device team_slave_0 removed [ 104.104107][ T40] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 104.135158][ T40] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 104.369472][ T4342] Bluetooth: hci0: command 0x041b tx timeout [ 104.437498][ T40] bond0 (unregistering): Released all slaves [ 104.508674][ T4366] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 104.518590][ T4366] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 104.527865][ T4366] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 104.536862][ T4366] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 104.609212][ T4366] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.630852][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 104.639603][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 104.650920][ T4366] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.661511][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 104.670937][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 104.679714][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.687262][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.695637][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 104.712670][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 104.729697][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 104.738360][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.745430][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.760974][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 104.772068][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 104.787920][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 104.798722][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 104.808009][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 104.817731][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 104.827796][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 104.842251][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 104.852473][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 104.864494][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 104.873264][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 104.884063][ T4366] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 105.145637][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 105.153504][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 105.170289][ T4366] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.193877][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 105.203011][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 105.223235][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 105.232241][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 105.241370][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 105.256057][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 105.267886][ T4366] device veth0_vlan entered promiscuous mode [ 105.291796][ T4366] device veth1_vlan entered promiscuous mode [ 105.326223][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 105.334957][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 105.345346][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 105.354637][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 105.365860][ T4366] device veth0_macvtap entered promiscuous mode [ 105.383606][ T4366] device veth1_macvtap entered promiscuous mode [ 105.399686][ T4366] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 105.408563][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 105.417699][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 105.425906][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 105.435055][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 105.446892][ T4366] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 105.455591][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 105.464428][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 105.475421][ T4366] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.484471][ T4366] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.493566][ T4366] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.502658][ T4366] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.552882][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 105.567707][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 105.580429][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 105.593051][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 2025/12/02 07:21:15 executed programs: 2 [ 105.601526][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 105.611422][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 106.436828][ T4342] Bluetooth: hci0: command 0x040f tx timeout [ 108.516717][ T48] Bluetooth: hci0: command 0x0419 tx timeout [ 133.017016][ T1276] ieee802154 phy0 wpan0: encryption failed: -22 [ 133.023604][ T1276] ieee802154 phy1 wpan1: encryption failed: -22 [ 194.439194][ T1276] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.445729][ T1276] ieee802154 phy1 wpan1: encryption failed: -22 [ 211.346449][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 211.353161][ C1] rcu: 1-....: (1 GPs behind) idle=4fdc/1/0x4000000000000000 softirq=9781/9782 fqs=5250 [ 211.363793][ C1] (t=10502 jiffies g=9473 q=11424 ncpus=2) [ 211.369802][ C1] CPU: 1 PID: 4437 Comm: syz.0.17 Not tainted syzkaller #0 [ 211.377022][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 211.387166][ C1] RIP: 0010:lock_acquire+0x20f/0x490 [ 211.392460][ C1] Code: 00 9c 8f 84 24 80 00 00 00 f6 84 24 81 00 00 00 02 0f 85 f5 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 66 43 c7 44 3d 09 00 00 43 c6 44 3d 0b [ 211.412089][ C1] RSP: 0018:ffffc900039f7a60 EFLAGS: 00000206 [ 211.418150][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0291c39830ad8c00 [ 211.426114][ C1] RDX: 0000000000000000 RSI: ffffffff8a8c1700 RDI: ffffffff8adef760 [ 211.434119][ C1] RBP: ffffc900039f7b80 R08: dffffc0000000000 R09: fffffbfff215c44f [ 211.442119][ C1] R10: fffffbfff215c44f R11: 1ffffffff215c44e R12: 0000000000000001 [ 211.450096][ C1] R13: 1ffff9200073ef58 R14: 0000000000000246 R15: dffffc0000000000 [ 211.458063][ C1] FS: 00005555561c9500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 211.467004][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 211.473673][ C1] CR2: 0000000000000000 CR3: 000000007e5df000 CR4: 00000000003506e0 [ 211.481658][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 211.489623][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 211.497610][ C1] Call Trace: [ 211.500883][ C1] [ 211.503811][ C1] ? __local_bh_enable_ip+0x12a/0x1b0 [ 211.509187][ C1] ? _local_bh_enable+0xa0/0xa0 [ 211.514058][ C1] ? read_lock_is_recursive+0x10/0x10 [ 211.519455][ C1] ? fpu__restore_sig+0x9a1/0x1190 [ 211.524581][ C1] ? __might_fault+0xa6/0x120 [ 211.529262][ C1] __might_fault+0xc2/0x120 [ 211.533783][ C1] ? __might_fault+0xa6/0x120 [ 211.538466][ C1] _copy_from_user+0x27/0x170 [ 211.543142][ C1] restore_altstack+0x9a/0x4a0 [ 211.547902][ C1] ? __ia32_sys_sigaltstack+0x270/0x270 [ 211.553437][ C1] ? __might_fault+0xc2/0x120 [ 211.558105][ C1] ? __might_fault+0xa6/0x120 [ 211.562770][ C1] __ia32_sys_rt_sigreturn+0x660/0x790 [ 211.568227][ C1] ? bpf_trace_run2+0xda/0x3b0 [ 211.572986][ C1] ? load_gs_index+0x120/0x120 [ 211.577749][ C1] ? lock_chain_count+0x20/0x20 [ 211.582593][ C1] ? trace_sys_enter+0x22/0x80 [ 211.587357][ C1] do_syscall_64+0x4c/0xa0 [ 211.591761][ C1] ? clear_bhb_loop+0x60/0xb0 [ 211.596450][ C1] ? clear_bhb_loop+0x60/0xb0 [ 211.601116][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 211.607001][ C1] RIP: 0033:0x7f86bd98f749 [ 211.611407][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 211.631016][ C1] RSP: 002b:00007ffc996d7a88 EFLAGS: 00000246 [ 211.637088][ C1] RAX: 0000000000000000 RBX: 00007f86bdbe5fa8 RCX: 00007f86bd98f749 [ 211.645051][ C1] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f86bdbe5fac [ 211.653010][ C1] RBP: 0000000000000000 R08: 00235447892703ca R09: 00000007996d7d7f [ 211.660969][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f86bdbe5fac [ 211.668941][ C1] R13: 00007f86bdbe5fa0 R14: 0000000000000095 R15: 0000000000000003 [ 211.677086][ C1]