[ 48.519431][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.847722][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.886658][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.927807][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.428452][ T9] device hsr_slave_0 left promiscuous mode [ 51.463873][ T9] device hsr_slave_1 left promiscuous mode [ 51.543743][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 51.545315][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 51.547034][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 51.548466][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 51.550107][ T9] device bridge_slave_1 left promiscuous mode [ 51.551277][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.594174][ T9] device bridge_slave_0 left promiscuous mode [ 51.595478][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.733775][ T9] device veth1_macvtap left promiscuous mode [ 51.735041][ T9] device veth0_macvtap left promiscuous mode [ 51.736304][ T9] device veth1_vlan left promiscuous mode [ 51.737527][ T9] device veth0_vlan left promiscuous mode [ 51.822118][ T9] team0 (unregistering): Port device team_slave_1 removed [ 51.826455][ T9] team0 (unregistering): Port device team_slave_0 removed [ 51.830521][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 51.857423][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 51.977225][ T9] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.0.158' (ED25519) to the list of known hosts. 1970/01/01 00:00:53 parsed 1 programs [ 55.093513][ T4349] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 57.774285][ T342] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.775949][ T342] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.777561][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.784854][ T396] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.786345][ T396] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.787924][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.015400][ T4401] chnl_net:caif_netlink_parms(): no params data found [ 58.032435][ T4401] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.034022][ T4401] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.035830][ T4401] device bridge_slave_0 entered promiscuous mode [ 58.038064][ T4401] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.039510][ T4401] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.042043][ T4401] device bridge_slave_1 entered promiscuous mode [ 58.049850][ T4401] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.052696][ T4401] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.063508][ T4401] team0: Port device team_slave_0 added [ 58.066098][ T4401] team0: Port device team_slave_1 added [ 58.072699][ T4401] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.074409][ T4401] 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. [ 58.079759][ T4401] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.082661][ T4401] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.084331][ T4401] 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. [ 58.089285][ T4401] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.134947][ T4401] device hsr_slave_0 entered promiscuous mode [ 58.173922][ T4401] device hsr_slave_1 entered promiscuous mode [ 58.783219][ T4401] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.826253][ T4401] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.886597][ T4401] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.925390][ T4401] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.998474][ T4401] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.002619][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.004571][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.007968][ T4401] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.014527][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.016334][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.018221][ T396] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.019648][ T396] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.021629][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.023649][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.027068][ T396] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.028421][ T396] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.030010][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.031956][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.040314][ T4401] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.042265][ T4401] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.046652][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.048386][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.051004][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.052871][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.055163][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.057041][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.058842][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.060836][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.062680][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.066735][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.068477][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.134112][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.135624][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.139994][ T4401] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.146910][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 59.149006][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.156655][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 59.158498][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.160539][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.162127][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.166354][ T4401] device veth0_vlan entered promiscuous mode [ 59.170594][ T4401] device veth1_vlan entered promiscuous mode [ 59.178733][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.180498][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.182194][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 59.185392][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.188904][ T4401] device veth0_macvtap entered promiscuous mode [ 59.192131][ T4401] device veth1_macvtap entered promiscuous mode [ 59.199036][ T4401] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.200430][ T586] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.202386][ T586] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 59.204429][ T586] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 59.208142][ T586] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.211398][ T4401] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.215153][ T4401] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.216856][ T4401] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.218493][ T4401] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.221976][ T4401] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.237998][ T586] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 59.239946][ T586] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:00:59 executed programs: 0 [ 59.772843][ T4598] chnl_net:caif_netlink_parms(): no params data found [ 59.792058][ T4598] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.793636][ T4598] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.795701][ T4598] device bridge_slave_0 entered promiscuous mode [ 59.797969][ T4598] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.799256][ T4598] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.801088][ T4598] device bridge_slave_1 entered promiscuous mode [ 59.809163][ T4598] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.811858][ T4598] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.820903][ T4598] team0: Port device team_slave_0 added [ 59.823086][ T4598] team0: Port device team_slave_1 added [ 59.830316][ T4598] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.831664][ T4598] 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. [ 59.837987][ T4598] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.840880][ T4598] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.842210][ T4598] 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. [ 59.847710][ T4598] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.895115][ T4598] device hsr_slave_0 entered promiscuous mode [ 59.924049][ T4598] device hsr_slave_1 entered promiscuous mode [ 59.964165][ T4598] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.965714][ T4598] Cannot create hsr debugfs directory [ 59.997299][ T4598] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.793832][ T4524] Bluetooth: hci0: command 0x0409 tx timeout [ 62.090637][ T4598] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.873812][ T4139] Bluetooth: hci0: command 0x041b tx timeout [ 64.667040][ T4598] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.707909][ T4598] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.846735][ T4598] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.885280][ T4598] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.924864][ T4598] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.983307][ T4598] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.055987][ T4598] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.060001][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.061736][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.064799][ T4598] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.067421][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.069216][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.071138][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.072538][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.074800][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.077904][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.079794][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.081533][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.082854][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.086665][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.089870][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.092806][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.095194][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.097175][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.100085][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.102074][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.105941][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.107779][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.110778][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.112603][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.117077][ T4598] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.156052][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.157616][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.161878][ T4598] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.168321][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.170249][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.177378][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.179118][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.181077][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.182686][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.196433][ T4598] device veth0_vlan entered promiscuous mode [ 65.200085][ T4598] device veth1_vlan entered promiscuous mode [ 65.207186][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.209105][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.210784][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.212716][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.216925][ T4598] device veth0_macvtap entered promiscuous mode [ 65.219465][ T4598] device veth1_macvtap entered promiscuous mode [ 65.224812][ T4598] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 65.226894][ T4598] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.229532][ T4598] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.231049][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.232791][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.235202][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.237028][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.249867][ T4598] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 65.252058][ T4598] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.254908][ T4598] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.256405][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.258395][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.261081][ T4598] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.262653][ T4598] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.264670][ T4598] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.266365][ T4598] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.287103][ T586] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.289180][ T586] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.293274][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.299586][ T396] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.301111][ T396] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.302676][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:05 executed programs: 2 [ 65.419272][ T4683] loop0: detected capacity change from 0 to 32768 [ 65.466227][ T4683] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (4683) [ 65.472848][ T4683] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 65.475305][ T4683] BTRFS info (device loop0): using free space tree [ 65.476559][ T4683] BTRFS info (device loop0): has skinny extents [ 65.488279][ T4683] BTRFS info (device loop0): enabling ssd optimizations [ 65.507690][ T586] BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared) [ 65.509237][ T4683] FAULT_INJECTION: forcing a failure. [ 65.509237][ T4683] name failslab, interval 1, probability 0, space 0, times 1 [ 65.512354][ T4683] CPU: 1 PID: 4683 Comm: syz.0.15 Not tainted syzkaller #0 [ 65.513789][ T4683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 65.516141][ T4683] Call trace: [ 65.516871][ T4683] dump_backtrace+0x0/0x458 [ 65.517908][ T4683] show_stack+0x2c/0x3c [ 65.518862][ T4683] __dump_stack+0x30/0x40 [ 65.519791][ T4683] dump_stack_lvl+0xf4/0x15c [ 65.520837][ T4683] dump_stack+0x1c/0x5c [ 65.521802][ T4683] should_fail+0x3c8/0x520 [ 65.522820][ T4683] __should_failslab+0xbc/0x10c [ 65.523884][ T4683] should_failslab+0x10/0x28 [ 65.524786][ T4683] slab_pre_alloc_hook+0x64/0xe8 [ 65.525797][ T4683] kmem_cache_alloc+0x94/0x3d8 [ 65.526807][ T4683] alloc_extent_state+0x38/0x434 [ 65.527837][ T4683] set_extent_bit+0x1ac/0x13a8 [ 65.528835][ T4683] set_record_extent_bits+0x70/0x94 [ 65.529908][ T4683] qgroup_reserve_data+0x214/0x838 [ 65.530959][ T4683] btrfs_qgroup_reserve_data+0x40/0xd8 [ 65.532040][ T4683] btrfs_fallocate+0x104c/0x1720 [ 65.533124][ T4683] vfs_fallocate+0x4a4/0x5fc [ 65.534102][ T4683] __arm64_sys_fallocate+0xc4/0x114 [ 65.535218][ T4683] invoke_syscall+0x98/0x28c [ 65.536197][ T4683] el0_svc_common+0x13c/0x258 [ 65.537223][ T4683] do_el0_svc+0x5c/0x140 [ 65.538125][ T4683] el0_svc+0x78/0x1d0 [ 65.538984][ T4683] el0t_64_sync_handler+0xcc/0xe4 [ 65.540047][ T4683] el0t_64_sync+0x1a0/0x1a4 [ 65.718151][ T4706] loop0: detected capacity change from 0 to 32768 [ 65.796977][ T4706] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4706) [ 65.801118][ T4706] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 65.802852][ T4706] BTRFS info (device loop0): using free space tree [ 65.804369][ T4706] BTRFS info (device loop0): has skinny extents [ 65.813170][ T4706] BTRFS info (device loop0): enabling ssd optimizations [ 65.833027][ T586] BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared) [ 65.838124][ T4706] FAULT_INJECTION: forcing a failure. [ 65.838124][ T4706] name failslab, interval 1, probability 0, space 0, times 0 [ 65.840794][ T4706] CPU: 0 PID: 4706 Comm: syz.0.16 Not tainted syzkaller #0 [ 65.842179][ T4706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 65.844139][ T4706] Call trace: [ 65.844828][ T4706] dump_backtrace+0x0/0x458 [ 65.845840][ T4706] show_stack+0x2c/0x3c [ 65.846707][ T4706] __dump_stack+0x30/0x40 [ 65.847557][ T4706] dump_stack_lvl+0xf4/0x15c [ 65.848494][ T4706] dump_stack+0x1c/0x5c [ 65.849333][ T4706] should_fail+0x3c8/0x520 [ 65.850217][ T4706] __should_failslab+0xbc/0x10c [ 65.851215][ T4706] should_failslab+0x10/0x28 [ 65.852140][ T4706] slab_pre_alloc_hook+0x64/0xe8 [ 65.853063][ T4706] kmem_cache_alloc_trace+0x98/0x3f0 [ 65.854124][ T4706] ulist_add_merge+0x148/0x418 [ 65.855087][ T4706] ulist_add+0x40/0x54 [ 65.855936][ T4706] set_state_bits+0x27c/0x374 [ 65.856864][ T4706] set_extent_bit+0x454/0x13a8 [ 65.857809][ T4706] set_record_extent_bits+0x70/0x94 [ 65.858824][ T4706] qgroup_reserve_data+0x214/0x838 [ 65.859824][ T4706] btrfs_qgroup_reserve_data+0x40/0xd8 [ 65.860922][ T4706] btrfs_fallocate+0x104c/0x1720 [ 65.861941][ T4706] vfs_fallocate+0x4a4/0x5fc [ 65.862900][ T4706] __arm64_sys_fallocate+0xc4/0x114 [ 65.863982][ T4706] invoke_syscall+0x98/0x28c [ 65.864899][ T4706] el0_svc_common+0x13c/0x258 [ 65.865866][ T4706] do_el0_svc+0x5c/0x140 [ 65.866716][ T4706] el0_svc+0x78/0x1d0 [ 65.867525][ T4706] el0t_64_sync_handler+0xcc/0xe4 [ 65.868554][ T4706] el0t_64_sync+0x1a0/0x1a4 [ 65.869690][ T4706] ------------[ cut here ]------------ [ 65.870737][ T4706] kernel BUG at fs/btrfs/extent_io.c:939! [ 65.871937][ T4706] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP [ 65.873385][ T4706] Modules linked in: [ 65.874216][ T4706] CPU: 0 PID: 4706 Comm: syz.0.16 Not tainted syzkaller #0 [ 65.875692][ T4706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 65.877742][ T4706] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 65.879349][ T4706] pc : set_state_bits+0x370/0x374 [ 65.880434][ T4706] lr : set_state_bits+0x370/0x374 [ 65.881512][ T4706] sp : ffff80001fee7840 [ 65.882327][ T4706] x29: ffff80001fee7840 x28: 1fffe00019b6f53b x27: 0000000000001000 [ 65.883972][ T4706] x26: dfff800000000000 x25: 0000000000000001 x24: 0000000000000107 [ 65.885604][ T4706] x23: 0000000000000000 x22: 0000000000000fff x21: 0000000000001000 [ 65.887242][ T4706] x20: 00000000fffffff4 x19: ffff0000cdb7a960 x18: 0000000000000002 [ 65.888978][ T4706] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000012 [ 65.890697][ T4706] x14: 0000000000000001 x13: 1ffff000028c923e x12: 0000000000000000 [ 65.892287][ T4706] x11: ff80800009f31724 x10: 0000000000000000 x9 : ffff800009f31724 [ 65.893968][ T4706] x8 : ffff0000ce969b40 x7 : 0000000000000000 x6 : 0000000000000001 [ 65.895640][ T4706] x5 : ffff80001fee6db8 x4 : 0000000000000100 x3 : 0000000000000a20 [ 65.897265][ T4706] x2 : 0000000000000038 x1 : 00000000fffffff4 x0 : 0000000000000000 [ 65.898974][ T4706] Call trace: [ 65.899639][ T4706] set_state_bits+0x370/0x374 [ 65.900607][ T4706] set_extent_bit+0x454/0x13a8 [ 65.901553][ T4706] set_record_extent_bits+0x70/0x94 [ 65.902585][ T4706] qgroup_reserve_data+0x214/0x838 [ 65.903618][ T4706] btrfs_qgroup_reserve_data+0x40/0xd8 [ 65.904697][ T4706] btrfs_fallocate+0x104c/0x1720 [ 65.905678][ T4706] vfs_fallocate+0x4a4/0x5fc [ 65.906595][ T4706] __arm64_sys_fallocate+0xc4/0x114 [ 65.907570][ T4706] invoke_syscall+0x98/0x28c [ 65.908428][ T4706] el0_svc_common+0x13c/0x258 [ 65.909321][ T4706] do_el0_svc+0x5c/0x140 [ 65.910144][ T4706] el0_svc+0x78/0x1d0 [ 65.910900][ T4706] el0t_64_sync_handler+0xcc/0xe4 [ 65.911939][ T4706] el0t_64_sync+0x1a0/0x1a4 [ 65.912844][ T4706] Code: d112c2e0 97a47fe5 17ffff50 97954b46 (d4210000) [ 65.914337][ T4706] ---[ end trace 6ad2e0fb1390ed4a ]--- [ 66.136645][ T4706] Kernel panic - not syncing: Oops - BUG: Fatal exception [ 66.138146][ T4706] SMP: stopping secondary CPUs [ 66.139117][ T4706] Kernel Offset: disabled [ 66.139981][ T4706] CPU features: 0xa,000003c1,7d33ffd9 [ 66.140997][ T4706] Memory Limit: none [ 66.352589][ T4706] Rebooting in 86400 seconds..