Warning: Permanently added '10.128.1.28' (ED25519) to the list of known hosts. 2026/01/12 21:25:28 parsed 1 programs syzkaller login: [ 62.549711][ T4270] cgroup: Unknown subsys name 'net' [ 62.662979][ T4270] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 63.890373][ T4270] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 65.922179][ T4300] chnl_net:caif_netlink_parms(): no params data found [ 65.965516][ T4300] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.973261][ T4300] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.981203][ T4300] device bridge_slave_0 entered promiscuous mode [ 65.990161][ T4300] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.997267][ T4300] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.005134][ T4300] device bridge_slave_1 entered promiscuous mode [ 66.031323][ T4300] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.042269][ T4300] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.073226][ T4300] team0: Port device team_slave_0 added [ 66.080202][ T4300] team0: Port device team_slave_1 added [ 66.097424][ T4300] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.104384][ T4300] 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. [ 66.130484][ T4300] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.151260][ T4300] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.158342][ T4300] 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. [ 66.184277][ T4300] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.214481][ T4300] device hsr_slave_0 entered promiscuous mode [ 66.221463][ T4300] device hsr_slave_1 entered promiscuous mode [ 66.315897][ T4300] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.327996][ T4300] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.342964][ T4300] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.352146][ T4300] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.374958][ T4300] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.382911][ T4300] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.390774][ T4300] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.398069][ T4300] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.452280][ T4300] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.472859][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.482333][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.491122][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.504188][ T4300] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.523778][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.532466][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.539653][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.551866][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.560864][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.568079][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.594050][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.602947][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.614756][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.633254][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.645390][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.655780][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.841913][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.850390][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.863373][ T4300] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.879595][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.888549][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.905102][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.914656][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.923780][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.932508][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.942702][ T4300] device veth0_vlan entered promiscuous mode [ 66.953452][ T4300] device veth1_vlan entered promiscuous mode [ 66.972586][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.981322][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.989649][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.998977][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.015377][ T4300] device veth0_macvtap entered promiscuous mode [ 67.024548][ T4300] device veth1_macvtap entered promiscuous mode [ 67.038614][ T4300] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.046267][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.054644][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.063437][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.072270][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.083632][ T4300] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.091645][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.100642][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.113306][ T4300] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.122338][ T4300] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.131370][ T4300] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.140160][ T4300] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.256683][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.362360][ T4334] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 67.370712][ T4334] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 67.379124][ T4334] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 67.386808][ T4334] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 67.394725][ T4334] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 67.402744][ T4334] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 67.579163][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.587112][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.604261][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.615809][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.624517][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.633747][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/01/12 21:25:36 executed programs: 0 [ 69.241410][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 69.252284][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 69.260652][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 69.270208][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 69.278486][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 69.285942][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.392043][ T4371] chnl_net:caif_netlink_parms(): no params data found [ 69.431647][ T4371] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.439023][ T4371] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.446723][ T4371] device bridge_slave_0 entered promiscuous mode [ 69.454790][ T4371] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.461983][ T4371] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.469799][ T4371] device bridge_slave_1 entered promiscuous mode [ 69.490409][ T4371] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.501575][ T4371] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.523461][ T4371] team0: Port device team_slave_0 added [ 69.530623][ T4371] team0: Port device team_slave_1 added [ 69.548241][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.555212][ T4371] 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. [ 69.581166][ T4371] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.592904][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.600198][ T4371] 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. [ 69.626191][ T4371] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.653896][ T4371] device hsr_slave_0 entered promiscuous mode [ 69.660938][ T4371] device hsr_slave_1 entered promiscuous mode [ 69.667941][ T4371] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.675759][ T4371] Cannot create hsr debugfs directory [ 69.720133][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.239947][ T1277] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.246343][ T1277] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.318085][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 71.966279][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.039428][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.869241][ T4371] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.885432][ T9] device hsr_slave_0 left promiscuous mode [ 72.891945][ T9] device hsr_slave_1 left promiscuous mode [ 72.898409][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 72.906103][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 72.914512][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 72.922610][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 72.930330][ T9] device bridge_slave_1 left promiscuous mode [ 72.937444][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.947617][ T9] device bridge_slave_0 left promiscuous mode [ 72.953783][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.972221][ T9] device veth1_macvtap left promiscuous mode [ 72.978545][ T9] device veth0_macvtap left promiscuous mode [ 72.984613][ T9] device veth1_vlan left promiscuous mode [ 72.990658][ T9] device veth0_vlan left promiscuous mode [ 73.271681][ T9] team0 (unregistering): Port device team_slave_1 removed [ 73.302049][ T9] team0 (unregistering): Port device team_slave_0 removed [ 73.327944][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 73.356079][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 73.398545][ T4334] Bluetooth: hci0: command 0x041b tx timeout [ 73.608844][ T9] bond0 (unregistering): Released all slaves [ 73.695305][ T4371] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.704759][ T4371] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.714163][ T4371] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.782952][ T4371] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.795103][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.805721][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.830983][ T4371] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.840721][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.850967][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.859743][ T4378] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.866914][ T4378] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.876537][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.890006][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.899208][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.914626][ T4378] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.921783][ T4378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.940239][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.952639][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.963749][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.973873][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.983358][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.994316][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.003643][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.029097][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.037930][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.046218][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.055126][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.067059][ T4371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.253110][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.262111][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.274297][ T4371] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.295886][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.308977][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.331393][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.346928][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.359953][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.368145][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.379706][ T4371] device veth0_vlan entered promiscuous mode [ 74.394632][ T4371] device veth1_vlan entered promiscuous mode [ 74.447775][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.455958][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.465382][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.474508][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.485168][ T4371] device veth0_macvtap entered promiscuous mode [ 74.500653][ T4371] device veth1_macvtap entered promiscuous mode [ 74.513861][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.522569][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.531164][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.539440][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.548193][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.559890][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.567482][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.576247][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.587711][ T4371] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.596433][ T4371] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.605534][ T4371] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.614640][ T4371] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.660210][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.678329][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.686307][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.687527][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.696015][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.712848][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.755382][ T4434] loop0: detected capacity change from 0 to 512 [ 74.793674][ T4434] ------------[ cut here ]------------ [ 74.799637][ T4434] EA inode 11 i_nlink=2 [ 74.801184][ T4434] WARNING: CPU: 0 PID: 4434 at fs/ext4/xattr.c:1022 ext4_xattr_inode_update_ref+0x4be/0x520 [ 74.815797][ T4434] Modules linked in: [ 74.819766][ T4434] CPU: 0 PID: 4434 Comm: syz.0.17 Not tainted syzkaller #0 [ 74.826964][ T4434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 74.837072][ T4434] RIP: 0010:ext4_xattr_inode_update_ref+0x4be/0x520 [ 74.843735][ T4434] Code: 8d 7d 40 4c 89 f8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ff e8 93 ec 9c ff 49 8b 37 48 c7 c7 40 92 80 8a 89 da e8 72 bd 18 ff <0f> 0b 49 be 00 00 00 00 00 fc ff df 4c 8b 6c 24 10 4c 8b 7c 24 08 [ 74.863585][ T4434] RSP: 0018:ffffc90003457200 EFLAGS: 00010246 [ 74.869698][ T4434] RAX: 3b5445511fb44b00 RBX: 0000000000000002 RCX: ffff88801ff0bb80 [ 74.877720][ T4434] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 [ 74.885703][ T4434] RBP: ffffc900034572e8 R08: dffffc0000000000 R09: ffffed10171c4f3c [ 74.893720][ T4434] R10: ffffed10171c4f3c R11: 1ffff110171c4f3b R12: ffffc90003457260 [ 74.901751][ T4434] R13: ffff8880693182b0 R14: dffffc0000000000 R15: ffff8880693182f0 [ 74.909790][ T4434] FS: 000055557f9bd500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 74.918777][ T4434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.925372][ T4434] CR2: 00007f34f5a91000 CR3: 0000000079230000 CR4: 00000000003506f0 [ 74.933390][ T4434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.941396][ T4434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.949420][ T4434] Call Trace: [ 74.952700][ T4434] [ 74.955629][ T4434] ? ext4_xattr_block_csum+0x500/0x500 [ 74.961140][ T4434] ? ext4_xattr_inode_iget+0x3f0/0x600 [ 74.966703][ T4434] ext4_xattr_set_entry+0xb33/0x1e90 [ 74.972040][ T4434] ext4_xattr_ibody_set+0x250/0x690 [ 74.977256][ T4434] ext4_expand_extra_isize_ea+0x10e5/0x19b0 [ 74.983238][ T4434] __ext4_expand_extra_isize+0x301/0x3e0 [ 74.989108][ T4434] __ext4_mark_inode_dirty+0x47f/0x770 [ 74.994572][ T4434] ext4_evict_inode+0xa73/0x1100 [ 74.999568][ T4434] ? _raw_spin_unlock+0x24/0x40 [ 75.004428][ T4434] ? ext4_inode_is_fast_symlink+0x390/0x390 [ 75.010361][ T4434] ? do_raw_spin_unlock+0x11d/0x230 [ 75.015572][ T4434] ? ext4_inode_is_fast_symlink+0x390/0x390 [ 75.021503][ T4434] evict+0x485/0x870 [ 75.025403][ T4434] ? __lock_acquire+0x7c50/0x7c50 [ 75.030475][ T4434] ? proc_nr_inodes+0x2f0/0x2f0 [ 75.035345][ T4434] ? do_raw_spin_unlock+0x11d/0x230 [ 75.040591][ T4434] ? _raw_spin_unlock+0x24/0x40 [ 75.045444][ T4434] ? iput+0x768/0x980 [ 75.049480][ T4434] ext4_orphan_cleanup+0xbd3/0x1400 [ 75.054734][ T4434] ? ext4_orphan_del+0xb90/0xb90 [ 75.059809][ T4434] ? errseq_check_and_advance+0x62/0x120 [ 75.065541][ T4434] ext4_fill_super+0x7738/0x7cd0 [ 75.070514][ T4434] ? bdev_name+0x2c1/0x3f0 [ 75.074952][ T4434] ? ext4_parse_test_dummy_encryption+0xb0/0xb0 [ 75.081246][ T4434] ? snprintf+0xd7/0x120 [ 75.085495][ T4434] ? preempt_count_add+0x8d/0x190 [ 75.090555][ T4434] ? set_blocksize+0x1d0/0x470 [ 75.095325][ T4434] ? sb_set_blocksize+0xa5/0xe0 [ 75.100220][ T4434] get_tree_bdev+0x3f1/0x610 [ 75.104815][ T4434] ? ext4_parse_test_dummy_encryption+0xb0/0xb0 [ 75.111094][ T4434] vfs_get_tree+0x88/0x270 [ 75.115987][ T4434] do_new_mount+0x24a/0xa40 [ 75.120575][ T4434] __se_sys_mount+0x2d6/0x3c0 [ 75.125279][ T4434] ? __x64_sys_mount+0xc0/0xc0 [ 75.130080][ T4434] ? lockdep_hardirqs_on+0x94/0x140 [ 75.135282][ T4434] ? __x64_sys_mount+0x1c/0xc0 [ 75.140082][ T4434] do_syscall_64+0x4c/0xa0 [ 75.144506][ T4434] ? clear_bhb_loop+0x60/0xb0 [ 75.149230][ T4434] ? clear_bhb_loop+0x60/0xb0 [ 75.153922][ T4434] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 75.159973][ T4434] RIP: 0033:0x7fb926d90eea [ 75.164407][ T4434] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 75.184063][ T4434] RSP: 002b:00007ffd62c35e98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 75.192512][ T4434] RAX: ffffffffffffffda RBX: 00007ffd62c35f20 RCX: 00007fb926d90eea [ 75.200514][ T4434] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffd62c35ee0 [ 75.208511][ T4434] RBP: 0000200000000180 R08: 00007ffd62c35f20 R09: 0000000000800700 [ 75.216471][ T4434] R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0 [ 75.224484][ T4434] R13: 00007ffd62c35ee0 R14: 000000000000046f R15: 000000000000002c [ 75.232518][ T4434] [ 75.235537][ T4434] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 75.242806][ T4434] CPU: 0 PID: 4434 Comm: syz.0.17 Not tainted syzkaller #0 [ 75.249993][ T4434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 75.260039][ T4434] Call Trace: [ 75.263310][ T4434] [ 75.266226][ T4434] dump_stack_lvl+0x168/0x22e [ 75.270897][ T4434] ? memcpy+0x3c/0x60 [ 75.274865][ T4434] ? show_regs_print_info+0x12/0x12 [ 75.280141][ T4434] ? load_image+0x3b0/0x3b0 [ 75.284646][ T4434] panic+0x2c9/0x710 [ 75.288532][ T4434] ? bpf_jit_dump+0xd0/0xd0 [ 75.293027][ T4434] __warn+0x2f8/0x4f0 [ 75.296989][ T4434] ? ext4_xattr_inode_update_ref+0x4be/0x520 [ 75.302962][ T4434] ? ext4_xattr_inode_update_ref+0x4be/0x520 [ 75.308934][ T4434] report_bug+0x2ba/0x4f0 [ 75.313261][ T4434] ? ext4_xattr_inode_update_ref+0x4be/0x520 [ 75.319245][ T4434] handle_bug+0x3a/0x70 [ 75.323404][ T4434] exc_invalid_op+0x16/0x40 [ 75.327893][ T4434] asm_exc_invalid_op+0x16/0x20 [ 75.332723][ T4434] RIP: 0010:ext4_xattr_inode_update_ref+0x4be/0x520 [ 75.339298][ T4434] Code: 8d 7d 40 4c 89 f8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ff e8 93 ec 9c ff 49 8b 37 48 c7 c7 40 92 80 8a 89 da e8 72 bd 18 ff <0f> 0b 49 be 00 00 00 00 00 fc ff df 4c 8b 6c 24 10 4c 8b 7c 24 08 [ 75.358904][ T4434] RSP: 0018:ffffc90003457200 EFLAGS: 00010246 [ 75.364960][ T4434] RAX: 3b5445511fb44b00 RBX: 0000000000000002 RCX: ffff88801ff0bb80 [ 75.373363][ T4434] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 [ 75.381323][ T4434] RBP: ffffc900034572e8 R08: dffffc0000000000 R09: ffffed10171c4f3c [ 75.389289][ T4434] R10: ffffed10171c4f3c R11: 1ffff110171c4f3b R12: ffffc90003457260 [ 75.397246][ T4434] R13: ffff8880693182b0 R14: dffffc0000000000 R15: ffff8880693182f0 [ 75.405230][ T4434] ? ext4_xattr_block_csum+0x500/0x500 [ 75.410688][ T4434] ? ext4_xattr_inode_iget+0x3f0/0x600 [ 75.416137][ T4434] ext4_xattr_set_entry+0xb33/0x1e90 [ 75.421423][ T4434] ext4_xattr_ibody_set+0x250/0x690 [ 75.426615][ T4434] ext4_expand_extra_isize_ea+0x10e5/0x19b0 [ 75.432510][ T4434] __ext4_expand_extra_isize+0x301/0x3e0 [ 75.438153][ T4434] __ext4_mark_inode_dirty+0x47f/0x770 [ 75.443769][ T4434] ext4_evict_inode+0xa73/0x1100 [ 75.448714][ T4434] ? _raw_spin_unlock+0x24/0x40 [ 75.453562][ T4434] ? ext4_inode_is_fast_symlink+0x390/0x390 [ 75.459452][ T4434] ? do_raw_spin_unlock+0x11d/0x230 [ 75.464641][ T4434] ? ext4_inode_is_fast_symlink+0x390/0x390 [ 75.470525][ T4434] evict+0x485/0x870 [ 75.474407][ T4434] ? __lock_acquire+0x7c50/0x7c50 [ 75.479436][ T4434] ? proc_nr_inodes+0x2f0/0x2f0 [ 75.484290][ T4434] ? do_raw_spin_unlock+0x11d/0x230 [ 75.489484][ T4434] ? _raw_spin_unlock+0x24/0x40 [ 75.494333][ T4434] ? iput+0x768/0x980 [ 75.498330][ T4434] ext4_orphan_cleanup+0xbd3/0x1400 [ 75.503522][ T4434] ? ext4_orphan_del+0xb90/0xb90 [ 75.508453][ T4434] ? errseq_check_and_advance+0x62/0x120 [ 75.514071][ T4434] ext4_fill_super+0x7738/0x7cd0 [ 75.518994][ T4434] ? bdev_name+0x2c1/0x3f0 [ 75.523420][ T4434] ? ext4_parse_test_dummy_encryption+0xb0/0xb0 [ 75.529753][ T4434] ? snprintf+0xd7/0x120 [ 75.534011][ T4434] ? preempt_count_add+0x8d/0x190 [ 75.539023][ T4434] ? set_blocksize+0x1d0/0x470 [ 75.543773][ T4434] ? sb_set_blocksize+0xa5/0xe0 [ 75.548610][ T4434] get_tree_bdev+0x3f1/0x610 [ 75.553270][ T4434] ? ext4_parse_test_dummy_encryption+0xb0/0xb0 [ 75.559495][ T4434] vfs_get_tree+0x88/0x270 [ 75.563905][ T4434] do_new_mount+0x24a/0xa40 [ 75.568400][ T4434] __se_sys_mount+0x2d6/0x3c0 [ 75.573064][ T4434] ? __x64_sys_mount+0xc0/0xc0 [ 75.577834][ T4434] ? lockdep_hardirqs_on+0x94/0x140 [ 75.583040][ T4434] ? __x64_sys_mount+0x1c/0xc0 [ 75.587824][ T4434] do_syscall_64+0x4c/0xa0 [ 75.592284][ T4434] ? clear_bhb_loop+0x60/0xb0 [ 75.596944][ T4434] ? clear_bhb_loop+0x60/0xb0 [ 75.601613][ T4434] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 75.607498][ T4434] RIP: 0033:0x7fb926d90eea [ 75.611912][ T4434] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 75.631514][ T4434] RSP: 002b:00007ffd62c35e98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 75.639939][ T4434] RAX: ffffffffffffffda RBX: 00007ffd62c35f20 RCX: 00007fb926d90eea [ 75.647909][ T4434] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffd62c35ee0 [ 75.655873][ T4434] RBP: 0000200000000180 R08: 00007ffd62c35f20 R09: 0000000000800700 [ 75.663846][ T4434] R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0 [ 75.671830][ T4434] R13: 00007ffd62c35ee0 R14: 000000000000046f R15: 000000000000002c [ 75.679804][ T4434] [ 75.683193][ T4434] Kernel Offset: disabled [ 75.687542][ T4434] Rebooting in 86400 seconds..