[ 51.142971][ T350] device hsr_slave_0 left promiscuous mode [ 51.178212][ T350] device hsr_slave_1 left promiscuous mode [ 51.267905][ T350] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 51.269229][ T350] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 51.271347][ T350] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 51.272556][ T350] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 51.274156][ T350] device bridge_slave_1 left promiscuous mode [ 51.275573][ T350] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.309253][ T350] device bridge_slave_0 left promiscuous mode [ 51.310550][ T350] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.448029][ T350] device veth1_macvtap left promiscuous mode [ 51.449167][ T350] device veth0_macvtap left promiscuous mode [ 51.450231][ T350] device veth1_vlan left promiscuous mode [ 51.451281][ T350] device veth0_vlan left promiscuous mode [ 51.546127][ T350] team0 (unregistering): Port device team_slave_1 removed [ 51.550484][ T350] team0 (unregistering): Port device team_slave_0 removed [ 51.554543][ T350] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 51.581521][ T350] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 51.671629][ T350] bond0 (unregistering): Released all slaves [ 54.331503][ T350] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.390769][ T350] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.430812][ T350] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.481219][ T350] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 Warning: Permanently added '10.128.0.244' (ED25519) to the list of known hosts. 1970/01/01 00:00:55 parsed 1 programs [ 56.414348][ T350] device hsr_slave_0 left promiscuous mode [ 56.458079][ T350] device hsr_slave_1 left promiscuous mode [ 56.537915][ T350] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 56.539197][ T350] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 56.540839][ T350] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 56.542095][ T350] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 56.543587][ T350] device bridge_slave_1 left promiscuous mode [ 56.544778][ T350] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.578590][ T350] device bridge_slave_0 left promiscuous mode [ 56.579796][ T350] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.708519][ T350] device veth1_macvtap left promiscuous mode [ 56.709534][ T350] device veth0_macvtap left promiscuous mode [ 56.710566][ T350] device veth1_vlan left promiscuous mode [ 56.711574][ T350] device veth0_vlan left promiscuous mode [ 56.804567][ T350] team0 (unregistering): Port device team_slave_1 removed [ 56.810483][ T350] team0 (unregistering): Port device team_slave_0 removed [ 56.814263][ T350] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 56.860800][ T350] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 56.961529][ T350] bond0 (unregistering): Released all slaves [ 57.097533][ T4403] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 58.913032][ T4446] chnl_net:caif_netlink_parms(): no params data found [ 58.933706][ T4446] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.935067][ T4446] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.936624][ T4446] device bridge_slave_0 entered promiscuous mode [ 58.938722][ T4446] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.939893][ T4446] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.941587][ T4446] device bridge_slave_1 entered promiscuous mode [ 58.948921][ T4446] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.951796][ T4446] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.958999][ T4446] team0: Port device team_slave_0 added [ 58.960823][ T4446] team0: Port device team_slave_1 added [ 58.967508][ T4446] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.969198][ T4446] 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. [ 58.973574][ T4446] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.976247][ T4446] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.977418][ T4446] 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. [ 58.982703][ T4446] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.038836][ T4446] device hsr_slave_0 entered promiscuous mode [ 59.078045][ T4446] device hsr_slave_1 entered promiscuous mode [ 59.602953][ T4446] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.639524][ T4446] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.678996][ T4446] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.699395][ T4446] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.733990][ T4446] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.735328][ T4446] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.736646][ T4446] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.738042][ T4446] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.756758][ T4446] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.760759][ T666] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.762661][ T666] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.764322][ T666] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.766132][ T666] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 59.770935][ T4446] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.774185][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.775634][ T1225] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.776792][ T1225] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.780328][ T666] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.781799][ T666] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.783072][ T666] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.791651][ T666] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.793338][ T666] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.796681][ T666] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.801740][ T666] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.804937][ T666] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.807510][ T4446] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.849412][ T666] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.850824][ T666] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.853301][ T4446] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.860140][ T666] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.867646][ T4126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.869838][ T4126] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.871288][ T4126] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.875853][ T4446] device veth0_vlan entered promiscuous mode [ 59.880296][ T4446] device veth1_vlan entered promiscuous mode [ 59.887524][ T4126] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.889749][ T4126] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.891342][ T4126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.902671][ T4446] device veth0_macvtap entered promiscuous mode [ 59.905131][ T4446] device veth1_macvtap entered promiscuous mode [ 59.910205][ T4126] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.914828][ T4446] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.916144][ T4126] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 59.917742][ T4126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.922991][ T4446] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.924319][ T4126] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 59.925989][ T4126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.929932][ T4446] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.931407][ T4446] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.932932][ T4446] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.934492][ T4446] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.183135][ T1225] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.184406][ T1225] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.189776][ T1225] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.195307][ T4126] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.196696][ T4126] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.198786][ T666] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:00 executed programs: 0 [ 60.758524][ T4671] chnl_net:caif_netlink_parms(): no params data found [ 60.775848][ T4671] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.777185][ T4671] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.780178][ T4671] device bridge_slave_0 entered promiscuous mode [ 60.789476][ T4671] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.790713][ T4671] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.792508][ T4671] device bridge_slave_1 entered promiscuous mode [ 60.801217][ T4671] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.803978][ T4671] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.813768][ T4671] team0: Port device team_slave_0 added [ 60.815707][ T4671] team0: Port device team_slave_1 added [ 60.891220][ T4671] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.892420][ T4671] 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. [ 60.897052][ T4671] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.901393][ T4671] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.902684][ T4671] 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. [ 60.907061][ T4671] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.119048][ T4671] device hsr_slave_0 entered promiscuous mode [ 61.158074][ T4671] device hsr_slave_1 entered promiscuous mode [ 61.207942][ T4671] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.209283][ T4671] Cannot create hsr debugfs directory [ 61.241639][ T4671] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.718027][ T4725] Bluetooth: hci0: command 0x0409 tx timeout [ 63.651495][ T4671] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.807875][ T4178] Bluetooth: hci0: command 0x041b tx timeout [ 65.201668][ T4671] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.242648][ T4671] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.411229][ T4671] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.459823][ T4671] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.498997][ T4671] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.539111][ T4671] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.599768][ T4671] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.603465][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.605074][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.607746][ T4671] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.610609][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.612352][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.614053][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.615287][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.616784][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.620968][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.622746][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.624306][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.625555][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.628825][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.631678][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.634333][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.636137][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.638283][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.641083][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.642790][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.645440][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.648946][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.651954][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.653625][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.656100][ T4671] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.692253][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.693732][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.696912][ T4671] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.716335][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.719598][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.725782][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.727442][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.730656][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.732172][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.748386][ T4671] device veth0_vlan entered promiscuous mode [ 65.752317][ T4671] device veth1_vlan entered promiscuous mode [ 65.759851][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.761789][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.763305][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.765030][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.767702][ T4671] device veth0_macvtap entered promiscuous mode [ 65.770387][ T4671] device veth1_macvtap entered promiscuous mode [ 65.775768][ T4671] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 65.777416][ T4671] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.779888][ T4671] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.781274][ T4126] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.782830][ T4126] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.784348][ T4126] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.785945][ T4126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.789360][ T4671] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 65.791144][ T4671] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.793226][ T4671] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.794558][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.796218][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.798894][ T4671] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.800204][ T4671] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.801752][ T4671] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.803261][ T4671] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.831667][ T1225] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.833043][ T1225] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.834455][ T4126] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.846563][ T1225] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.848983][ T1225] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.850339][ T4126] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:05 executed programs: 2 [ 65.967573][ T4734] loop0: detected capacity change from 0 to 32768 [ 66.023001][ T4734] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4734) [ 66.032475][ T4734] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 66.034072][ T4734] BTRFS info (device loop0): using free space tree [ 66.035189][ T4734] BTRFS info (device loop0): has skinny extents [ 66.044695][ T4734] BTRFS info (device loop0): enabling ssd optimizations [ 66.050871][ T4734] FAULT_INJECTION: forcing a failure. [ 66.050871][ T4734] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 66.052965][ T4734] CPU: 1 PID: 4734 Comm: syz.0.16 Not tainted syzkaller #0 [ 66.054150][ T4734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 66.055776][ T4734] Call trace: [ 66.056349][ T4734] dump_backtrace+0x0/0x458 [ 66.057192][ T4734] show_stack+0x2c/0x3c [ 66.057906][ T4734] __dump_stack+0x30/0x40 [ 66.058675][ T4734] dump_stack_lvl+0xf4/0x15c [ 66.059515][ T4734] dump_stack+0x1c/0x5c [ 66.060260][ T4734] should_fail+0x3c8/0x520 [ 66.061047][ T4734] should_fail_alloc_page+0x74/0xa8 [ 66.062010][ T4734] prepare_alloc_pages+0x160/0x460 [ 66.062907][ T4734] __alloc_pages+0x108/0x474 [ 66.063722][ T4734] alloc_pages+0x34c/0x5c0 [ 66.064551][ T4734] new_slab+0xdc/0x53c [ 66.065316][ T4734] ___slab_alloc+0x6ac/0xd84 [ 66.066160][ T4734] __slab_alloc+0x68/0xc0 [ 66.066972][ T4734] kmem_cache_alloc+0x2a8/0x3d8 [ 66.067892][ T4734] btrfs_alloc_tree_block+0x9dc/0x10f0 [ 66.068881][ T4734] btrfs_force_cow_block+0x3ac/0x172c [ 66.069888][ T4734] btrfs_cow_block+0x2d4/0x674 [ 66.070743][ T4734] btrfs_search_slot+0xa10/0x1ec8 [ 66.071649][ T4734] btrfs_insert_empty_items+0x1e8/0x2b0 [ 66.072642][ T4734] btrfs_new_inode+0x78c/0x156c [ 66.073504][ T4734] btrfs_create+0x23c/0x50c [ 66.074465][ T4734] path_openat+0xdb8/0x2808 [ 66.075389][ T4734] do_filp_open+0x188/0x370 [ 66.076295][ T4734] do_sys_openat2+0x134/0x3fc [ 66.077175][ T4734] __arm64_sys_openat+0x11c/0x150 [ 66.078231][ T4734] invoke_syscall+0x98/0x28c [ 66.079124][ T4734] el0_svc_common+0x13c/0x258 [ 66.080007][ T4734] do_el0_svc+0x5c/0x140 [ 66.080809][ T4734] el0_svc+0x78/0x1d0 [ 66.081579][ T4734] el0t_64_sync_handler+0xcc/0xe4 [ 66.082549][ T4734] el0t_64_sync+0x1a0/0x1a4 [ 66.127687][ T4735] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (4735) [ 66.235893][ T4765] loop0: detected capacity change from 0 to 32768 [ 66.370055][ T4765] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 66.371817][ T4765] BTRFS info (device loop0): using free space tree [ 66.372984][ T4765] BTRFS info (device loop0): has skinny extents [ 66.382881][ T4765] BTRFS info (device loop0): enabling ssd optimizations [ 66.385945][ T4765] FAULT_INJECTION: forcing a failure. [ 66.385945][ T4765] name failslab, interval 1, probability 0, space 0, times 1 [ 66.389827][ T4765] CPU: 0 PID: 4765 Comm: syz.0.17 Not tainted syzkaller #0 [ 66.391113][ T4765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 66.393054][ T4765] Call trace: [ 66.393700][ T4765] dump_backtrace+0x0/0x458 [ 66.394566][ T4765] show_stack+0x2c/0x3c [ 66.395446][ T4765] __dump_stack+0x30/0x40 [ 66.396380][ T4765] dump_stack_lvl+0xf4/0x15c [ 66.397303][ T4765] dump_stack+0x1c/0x5c [ 66.398134][ T4765] should_fail+0x3c8/0x520 [ 66.398975][ T4765] __should_failslab+0xbc/0x10c [ 66.399886][ T4765] should_failslab+0x10/0x28 [ 66.400785][ T4765] slab_pre_alloc_hook+0x64/0xe8 [ 66.401853][ T4765] kmem_cache_alloc+0x94/0x3d8 [ 66.402840][ T4765] btrfs_alloc_tree_block+0x9dc/0x10f0 [ 66.403874][ T4765] btrfs_force_cow_block+0x3ac/0x172c [ 66.404970][ T4765] btrfs_cow_block+0x2d4/0x674 [ 66.405914][ T4765] btrfs_search_slot+0xa10/0x1ec8 [ 66.406851][ T4765] btrfs_insert_empty_items+0x1e8/0x2b0 [ 66.407869][ T4765] btrfs_new_inode+0x78c/0x156c [ 66.408788][ T4765] btrfs_create+0x23c/0x50c [ 66.409644][ T4765] path_openat+0xdb8/0x2808 [ 66.410499][ T4765] do_filp_open+0x188/0x370 [ 66.411262][ T4765] do_sys_openat2+0x134/0x3fc [ 66.412069][ T4765] __arm64_sys_openat+0x11c/0x150 [ 66.412965][ T4765] invoke_syscall+0x98/0x28c [ 66.413795][ T4765] el0_svc_common+0x13c/0x258 [ 66.414646][ T4765] do_el0_svc+0x5c/0x140 [ 66.415438][ T4765] el0_svc+0x78/0x1d0 [ 66.416164][ T4765] el0t_64_sync_handler+0xcc/0xe4 [ 66.417075][ T4765] el0t_64_sync+0x1a0/0x1a4 [ 66.451718][ T4671] ------------[ cut here ]------------ [ 66.452792][ T4671] WARNING: CPU: 0 PID: 4671 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 66.454723][ T4671] Modules linked in: [ 66.455380][ T4671] CPU: 0 PID: 4671 Comm: syz-executor Not tainted syzkaller #0 [ 66.456731][ T4671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 66.458469][ T4671] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 66.459892][ T4671] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 66.461235][ T4671] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 66.462571][ T4671] sp : ffff80001f9e7740 [ 66.463275][ T4671] x29: ffff80001f9e7750 x28: 0000000000000000 x27: 1fffe0001bc8670c [ 66.464684][ T4671] x26: dfff800000000000 x25: ffff8000143ad110 x24: 0000000000000001 [ 66.466096][ T4671] x23: 0000000000000005 x22: 00000000000d0000 x21: 00000000000cf000 [ 66.467530][ T4671] x20: ffff0000de433860 x19: 0000000000000000 x18: 0000000000000000 [ 66.468981][ T4671] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 66.470460][ T4671] x14: ffff700003f3cedc x13: 1ffff00003f3cedc x12: 0000000000000004 [ 66.471985][ T4671] x11: ff8080000a0992fc x10: 0000000000000000 x9 : ffff80000a0992fc [ 66.473425][ T4671] x8 : ffff0000dbc83680 x7 : ffff80000a0985cc x6 : 0000000000000000 [ 66.474857][ T4671] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082dbdc0 [ 66.476332][ T4671] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 66.477688][ T4671] Call trace: [ 66.478248][ T4671] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 66.479491][ T4671] btrfs_block_rsv_release+0x3bc/0x498 [ 66.480517][ T4671] btrfs_release_global_block_rsv+0x38/0x22c [ 66.481623][ T4671] btrfs_free_block_groups+0x7b8/0xb20 [ 66.482799][ T4671] close_ctree+0x62c/0x848 [ 66.483664][ T4671] btrfs_put_super+0x40/0x50 [ 66.484601][ T4671] generic_shutdown_super+0x138/0x2f8 [ 66.485771][ T4671] kill_anon_super+0x4c/0x80 [ 66.486739][ T4671] btrfs_kill_super+0x44/0x5c [ 66.487753][ T4671] deactivate_locked_super+0xc0/0x13c [ 66.488732][ T4671] deactivate_super+0xf0/0x110 [ 66.489592][ T4671] cleanup_mnt+0x3bc/0x470 [ 66.490412][ T4671] __cleanup_mnt+0x20/0x30 [ 66.491231][ T4671] task_work_run+0x13c/0x1e8 [ 66.492078][ T4671] do_notify_resume+0x2488/0x30a8 [ 66.492997][ T4671] el0_svc+0xf0/0x1d0 [ 66.493731][ T4671] el0t_64_sync_handler+0xcc/0xe4 [ 66.494649][ T4671] el0t_64_sync+0x1a0/0x1a4 [ 66.495617][ T4671] irq event stamp: 133484 [ 66.496554][ T4671] hardirqs last enabled at (133483): [] kasan_quarantine_put+0xc4/0x200 [ 66.498600][ T4671] hardirqs last disabled at (133484): [] el1_dbg+0x24/0x80 [ 66.500238][ T4671] softirqs last enabled at (131320): [] local_bh_enable+0x10/0x34 [ 66.502028][ T4671] softirqs last disabled at (131318): [] local_bh_disable+0x10/0x34 [ 66.503861][ T4671] ---[ end trace 8abc8d1bdee26ab1 ]--- [ 66.611529][ T4788] loop0: detected capacity change from 0 to 32768 [ 66.613915][ T4788] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (4788) [ 66.617354][ T4788] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 66.619270][ T4788] BTRFS info (device loop0): using free space tree [ 66.620508][ T4788] BTRFS info (device loop0): has skinny extents [ 66.635883][ T4788] BTRFS info (device loop0): enabling ssd optimizations [ 66.641882][ T4788] FAULT_INJECTION: forcing a failure. [ 66.641882][ T4788] name failslab, interval 1, probability 0, space 0, times 0 [ 66.644072][ T4788] CPU: 1 PID: 4788 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 66.645512][ T4788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 66.647216][ T4788] Call trace: [ 66.647760][ T4788] dump_backtrace+0x0/0x458 [ 66.648625][ T4788] show_stack+0x2c/0x3c [ 66.649375][ T4788] __dump_stack+0x30/0x40 [ 66.650217][ T4788] dump_stack_lvl+0xf4/0x15c [ 66.651121][ T4788] dump_stack+0x1c/0x5c [ 66.651944][ T4788] should_fail+0x3c8/0x520 [ 66.652786][ T4788] __should_failslab+0xbc/0x10c [ 66.653708][ T4788] should_failslab+0x10/0x28 [ 66.654576][ T4788] slab_pre_alloc_hook+0x64/0xe8 [ 66.655485][ T4788] kmem_cache_alloc+0x94/0x3d8 [ 66.656390][ T4788] btrfs_add_delayed_tree_ref+0x194/0xda4 [ 66.657650][ T4788] btrfs_alloc_tree_block+0xb2c/0x10f0 [ 66.658604][ T4788] btrfs_force_cow_block+0x3ac/0x172c [ 66.659738][ T4788] btrfs_cow_block+0x2d4/0x674 [ 66.660719][ T4788] btrfs_search_slot+0xa10/0x1ec8 [ 66.661761][ T4788] btrfs_insert_empty_items+0x1e8/0x2b0 [ 66.662867][ T4788] btrfs_new_inode+0x78c/0x156c [ 66.663811][ T4788] btrfs_create+0x23c/0x50c [ 66.664677][ T4788] path_openat+0xdb8/0x2808 [ 66.665531][ T4788] do_filp_open+0x188/0x370 [ 66.666369][ T4788] do_sys_openat2+0x134/0x3fc [ 66.667216][ T4788] __arm64_sys_openat+0x11c/0x150 [ 66.668054][ T4788] invoke_syscall+0x98/0x28c [ 66.668851][ T4788] el0_svc_common+0x13c/0x258 [ 66.669661][ T4788] do_el0_svc+0x5c/0x140 [ 66.670402][ T4788] el0_svc+0x78/0x1d0 [ 66.671160][ T4788] el0t_64_sync_handler+0xcc/0xe4 [ 66.672043][ T4788] el0t_64_sync+0x1a0/0x1a4 [ 66.706060][ T4671] ------------[ cut here ]------------ [ 66.707053][ T4671] WARNING: CPU: 1 PID: 4671 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 66.709156][ T4671] Modules linked in: [ 66.709874][ T4671] CPU: 1 PID: 4671 Comm: syz-executor Tainted: G W syzkaller #0 [ 66.711575][ T4671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 66.713436][ T4671] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 66.714846][ T4671] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 66.716058][ T4671] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 66.717518][ T4671] sp : ffff80001f9e7740 [ 66.718386][ T4671] x29: ffff80001f9e7750 x28: 0000000000000000 x27: 1fffe00019e04e0c [ 66.720091][ T4671] x26: dfff800000000000 x25: ffff8000143ad110 x24: 0000000000000002 [ 66.721767][ T4671] x23: 0000000000000005 x22: 00000000000d0000 x21: 00000000000cf000 [ 66.723294][ T4671] x20: ffff0000cf027060 x19: 0000000000000000 x18: 0000000000000000 [ 66.724721][ T4671] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 66.726199][ T4671] x14: ffff700003f3cedc x13: 1ffff00003f3cedc x12: 0000000000000004 [ 66.727704][ T4671] x11: ff8080000a0992fc x10: 0000000000000000 x9 : ffff80000a0992fc [ 66.729187][ T4671] x8 : ffff0000dbc83680 x7 : ffff80000a0985cc x6 : 0000000000000000 [ 66.730706][ T4671] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082dbdc0 [ 66.732111][ T4671] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 66.733566][ T4671] Call trace: [ 66.734168][ T4671] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 66.735594][ T4671] btrfs_block_rsv_release+0x3bc/0x498 [ 66.736801][ T4671] btrfs_release_global_block_rsv+0x38/0x22c [ 66.738005][ T4671] btrfs_free_block_groups+0x7b8/0xb20 [ 66.739037][ T4671] close_ctree+0x62c/0x848 [ 66.739882][ T4671] btrfs_put_super+0x40/0x50 [ 66.740744][ T4671] generic_shutdown_super+0x138/0x2f8 [ 66.741693][ T4671] kill_anon_super+0x4c/0x80 [ 66.742512][ T4671] btrfs_kill_super+0x44/0x5c [ 66.743311][ T4671] deactivate_locked_super+0xc0/0x13c [ 66.744266][ T4671] deactivate_super+0xf0/0x110 [ 66.745142][ T4671] cleanup_mnt+0x3bc/0x470 [ 66.745929][ T4671] __cleanup_mnt+0x20/0x30 [ 66.746728][ T4671] task_work_run+0x13c/0x1e8 [ 66.747507][ T4671] do_notify_resume+0x2488/0x30a8 [ 66.748382][ T4671] el0_svc+0xf0/0x1d0 [ 66.749075][ T4671] el0t_64_sync_handler+0xcc/0xe4 [ 66.749965][ T4671] el0t_64_sync+0x1a0/0x1a4 [ 66.750762][ T4671] irq event stamp: 139606 [ 66.751475][ T4671] hardirqs last enabled at (139605): [] kasan_quarantine_put+0xc4/0x200 [ 66.753165][ T4671] hardirqs last disabled at (139606): [] el1_dbg+0x24/0x80 [ 66.754720][ T4671] softirqs last enabled at (137866): [] local_bh_enable+0x10/0x34 [ 66.756288][ T4671] softirqs last disabled at (137864): [] local_bh_disable+0x10/0x34 [ 66.757924][ T4671] ---[ end trace 8abc8d1bdee26ab2 ]--- [ 66.869501][ T4811] loop0: detected capacity change from 0 to 32768 [ 66.888345][ T4170] Bluetooth: hci0: command 0x040f tx timeout [ 66.959913][ T4811] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (4811) [ 66.963868][ T4811] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 66.965406][ T4811] BTRFS info (device loop0): using free space tree [ 66.966451][ T4811] BTRFS info (device loop0): has skinny extents [ 66.989997][ T4811] BTRFS info (device loop0): enabling ssd optimizations [ 66.993972][ T4811] FAULT_INJECTION: forcing a failure. [ 66.993972][ T4811] name failslab, interval 1, probability 0, space 0, times 0 [ 66.995981][ T4811] CPU: 0 PID: 4811 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 66.997377][ T4811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 66.999210][ T4811] Call trace: [ 66.999793][ T4811] dump_backtrace+0x0/0x458 [ 67.000636][ T4811] show_stack+0x2c/0x3c [ 67.001354][ T4811] __dump_stack+0x30/0x40 [ 67.002135][ T4811] dump_stack_lvl+0xf4/0x15c [ 67.002948][ T4811] dump_stack+0x1c/0x5c [ 67.003693][ T4811] should_fail+0x3c8/0x520 [ 67.004500][ T4811] __should_failslab+0xbc/0x10c [ 67.005343][ T4811] should_failslab+0x10/0x28 [ 67.006136][ T4811] slab_pre_alloc_hook+0x64/0xe8 [ 67.007022][ T4811] kmem_cache_alloc+0x94/0x3d8 [ 67.007892][ T4811] btrfs_add_delayed_tree_ref+0x194/0xda4 [ 67.008928][ T4811] btrfs_free_tree_block+0x240/0xc50 [ 67.009888][ T4811] btrfs_force_cow_block+0xc34/0x172c [ 67.010848][ T4811] btrfs_cow_block+0x2d4/0x674 [ 67.011718][ T4811] btrfs_search_slot+0xa10/0x1ec8 [ 67.012641][ T4811] btrfs_insert_empty_items+0x1e8/0x2b0 [ 67.013693][ T4811] btrfs_new_inode+0x78c/0x156c [ 67.014604][ T4811] btrfs_create+0x23c/0x50c [ 67.015428][ T4811] path_openat+0xdb8/0x2808 [ 67.016288][ T4811] do_filp_open+0x188/0x370 [ 67.017138][ T4811] do_sys_openat2+0x134/0x3fc [ 67.018015][ T4811] __arm64_sys_openat+0x11c/0x150 [ 67.018971][ T4811] invoke_syscall+0x98/0x28c [ 67.019829][ T4811] el0_svc_common+0x13c/0x258 [ 67.020670][ T4811] do_el0_svc+0x5c/0x140 [ 67.021449][ T4811] el0_svc+0x78/0x1d0 [ 67.022199][ T4811] el0t_64_sync_handler+0xcc/0xe4 [ 67.023143][ T4811] el0t_64_sync+0x1a0/0x1a4 [ 67.026414][ T4811] ------------[ cut here ]------------ [ 67.027335][ T4811] kernel BUG at fs/btrfs/extent-tree.c:3311! [ 67.028443][ T4811] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP [ 67.029771][ T4811] Modules linked in: [ 67.030457][ T4811] CPU: 0 PID: 4811 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 67.031926][ T4811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 67.033679][ T4811] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 67.035113][ T4811] pc : btrfs_free_tree_block+0xac8/0xc50 [ 67.036189][ T4811] lr : btrfs_free_tree_block+0xac8/0xc50 [ 67.037218][ T4811] sp : ffff800020177000 [ 67.037924][ T4811] x29: ffff800020177120 x28: 1fffe000193fb91c x27: dfff800000000000 [ 67.039341][ T4811] x26: ffff0000dd7ad210 x25: 00000000fffffff4 x24: 0000000000000001 [ 67.040807][ T4811] x23: 0000000000000005 x22: ffff0000c9fdc7c8 x21: ffff0000c9fdc7c0 [ 67.042288][ T4811] x20: ffff0000d48b0000 x19: 0000000000000001 x18: 0000000000000001 [ 67.043743][ T4811] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000012 [ 67.045089][ T4811] x14: 0000000000000001 x13: 1ffff000028c923e x12: 0000000000000000 [ 67.046473][ T4811] x11: ff80800009e8adc8 x10: 0000000000000000 x9 : ffff800009e8adc8 [ 67.047860][ T4811] x8 : ffff0000ce098000 x7 : 0000000000000000 x6 : 0000000000000001 [ 67.049270][ T4811] x5 : ffff800020176558 x4 : 00000000000000a8 x3 : 0000000000000068 [ 67.050742][ T4811] x2 : 0000000000000001 x1 : 00000000fffffff4 x0 : 0000000000000000 [ 67.052252][ T4811] Call trace: [ 67.052882][ T4811] btrfs_free_tree_block+0xac8/0xc50 [ 67.053817][ T4811] btrfs_force_cow_block+0xc34/0x172c [ 67.054757][ T4811] btrfs_cow_block+0x2d4/0x674 [ 67.055602][ T4811] btrfs_search_slot+0xa10/0x1ec8 [ 67.056521][ T4811] btrfs_insert_empty_items+0x1e8/0x2b0 [ 67.057524][ T4811] btrfs_new_inode+0x78c/0x156c [ 67.058373][ T4811] btrfs_create+0x23c/0x50c [ 67.059163][ T4811] path_openat+0xdb8/0x2808 [ 67.059958][ T4811] do_filp_open+0x188/0x370 [ 67.060740][ T4811] do_sys_openat2+0x134/0x3fc [ 67.061551][ T4811] __arm64_sys_openat+0x11c/0x150 [ 67.062425][ T4811] invoke_syscall+0x98/0x28c [ 67.063230][ T4811] el0_svc_common+0x13c/0x258 [ 67.064069][ T4811] do_el0_svc+0x5c/0x140 [ 67.064801][ T4811] el0_svc+0x78/0x1d0 [ 67.065498][ T4811] el0t_64_sync_handler+0xcc/0xe4 [ 67.066360][ T4811] el0t_64_sync+0x1a0/0x1a4 [ 67.067144][ T4811] Code: c80a7e69 35ffffaa 17fffe22 9797e59d (d4210000) [ 67.068365][ T4811] ---[ end trace 8abc8d1bdee26ab3 ]--- [ 67.281742][ T4811] Kernel panic - not syncing: Oops - BUG: Fatal exception [ 67.282928][ T4811] SMP: stopping secondary CPUs [ 67.283744][ T4811] Kernel Offset: disabled [ 67.284486][ T4811] CPU features: 0xa,000003c1,7d33ffd9 [ 67.285402][ T4811] Memory Limit: none [ 67.498039][ T4811] Rebooting in 86400 seconds..