[ 37.639193][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.825970][ T9] device veth1_macvtap left promiscuous mode [ 37.826839][ T9] device veth0_macvtap left promiscuous mode [ 37.827691][ T9] device veth1_vlan left promiscuous mode [ 37.828505][ T9] device veth0_vlan left promiscuous mode [ 37.911437][ T9] team0 (unregistering): Port device team_slave_1 removed [ 37.915049][ T9] team0 (unregistering): Port device team_slave_0 removed [ 37.920188][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 37.958803][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 38.058863][ T9] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.1.145' (ED25519) to the list of known hosts. 1970/01/01 00:00:49 ignoring optional flag "type"="gce" 1970/01/01 00:00:49 parsed 1 programs 1970/01/01 00:00:49 executed programs: 0 [ 49.288117][ T4357] chnl_net:caif_netlink_parms(): no params data found [ 49.304947][ T4357] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.306223][ T4357] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.307801][ T4357] device bridge_slave_0 entered promiscuous mode [ 49.309702][ T4357] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.310869][ T4357] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.312362][ T4357] device bridge_slave_1 entered promiscuous mode [ 49.319948][ T4357] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.322415][ T4357] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.330652][ T4357] team0: Port device team_slave_0 added [ 49.332585][ T4357] team0: Port device team_slave_1 added [ 49.340392][ T4357] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.341530][ T4357] 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. [ 49.346391][ T4357] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.348774][ T4357] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.349828][ T4357] 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. [ 49.353889][ T4357] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.397985][ T4357] device hsr_slave_0 entered promiscuous mode [ 49.426051][ T4357] device hsr_slave_1 entered promiscuous mode [ 50.015385][ T4357] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.067386][ T4357] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.096976][ T4357] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.147735][ T4357] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.193194][ T4357] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.194688][ T4357] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.196141][ T4357] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.197346][ T4357] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.216244][ T4357] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.220575][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.222626][ T606] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.224114][ T606] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.227690][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.232363][ T4357] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.235613][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.238273][ T606] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.239372][ T606] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.242588][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.244105][ T606] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.245363][ T606] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.255426][ T4357] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 50.257588][ T4357] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.269721][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.271451][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.277788][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.279474][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.281114][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.282605][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.311273][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.312566][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.316479][ T4357] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.322725][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 50.324380][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.334948][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 50.336607][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.338159][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.339623][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.343039][ T4357] device veth0_vlan entered promiscuous mode [ 50.347376][ T4357] device veth1_vlan entered promiscuous mode [ 50.354484][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 50.356303][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 50.357895][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 50.359426][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.362993][ T4357] device veth0_macvtap entered promiscuous mode [ 50.365557][ T4357] device veth1_macvtap entered promiscuous mode [ 50.371147][ T4357] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 50.372476][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 50.374241][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 50.376691][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 50.378506][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.381678][ T4357] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.384052][ T4357] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.385477][ T4357] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.387852][ T4357] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.390448][ T4357] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.392576][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.394317][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.536169][ T4495] loop0: detected capacity change from 0 to 32768 [ 50.548233][ T4495] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4495) [ 50.569619][ T4495] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 50.571345][ T4495] BTRFS info (device loop0): force clearing of disk cache [ 50.572530][ T4495] BTRFS info (device loop0): setting nodatasum [ 50.573538][ T4495] BTRFS info (device loop0): allowing degraded mounts [ 50.574705][ T4495] BTRFS info (device loop0): enabling disk space caching [ 50.578230][ T4495] BTRFS info (device loop0): disk space caching is enabled [ 50.579363][ T4495] BTRFS info (device loop0): has skinny extents [ 50.631166][ T4495] BTRFS info (device loop0): enabling ssd optimizations [ 50.635056][ T4495] BTRFS info (device loop0): clearing free space tree [ 50.636919][ T4495] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 50.638689][ T4495] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 50.646880][ T4495] BTRFS info (device loop0): checking UUID tree [ 50.656997][ T4495] FAULT_INJECTION: forcing a failure. [ 50.656997][ T4495] name failslab, interval 1, probability 0, space 0, times 1 [ 50.659255][ T4495] CPU: 1 PID: 4495 Comm: syz-executor.0 Not tainted syzkaller #0 [ 50.660458][ T4495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.662203][ T4495] Call trace: [ 50.662755][ T4495] dump_backtrace+0x0/0x458 [ 50.663485][ T4495] show_stack+0x2c/0x3c [ 50.664238][ T4495] __dump_stack+0x30/0x40 [ 50.664933][ T4495] dump_stack_lvl+0xf4/0x15c [ 50.665671][ T4495] dump_stack+0x1c/0x5c [ 50.666349][ T4495] should_fail+0x3bc/0x514 [ 50.667096][ T4495] __should_failslab+0xbc/0x10c [ 50.667930][ T4495] should_failslab+0x10/0x28 [ 50.668701][ T4495] slab_pre_alloc_hook+0x64/0xe8 [ 50.669521][ T4495] kmem_cache_alloc+0x94/0x3d4 [ 50.670355][ T4495] start_transaction+0x4d0/0x13ec [ 50.671209][ T4495] btrfs_attach_transaction_barrier+0x30/0xac [ 50.672248][ T4495] btrfs_sync_fs+0x13c/0xb24 [ 50.673020][ T4495] sync_filesystem+0x1a0/0x218 [ 50.673776][ T4495] btrfs_remount+0x198/0x12b0 [ 50.674505][ T4495] legacy_reconfigure+0xf8/0x110 [ 50.675259][ T4495] reconfigure_super+0x1d4/0x6f4 [ 50.676025][ T4495] path_mount+0xc88/0x1008 [ 50.676738][ T4495] __arm64_sys_mount+0x514/0x5f0 [ 50.677531][ T4495] invoke_syscall+0x98/0x2b0 [ 50.678263][ T4495] el0_svc_common+0x138/0x258 [ 50.679091][ T4495] do_el0_svc+0x58/0x13c [ 50.679785][ T4495] el0_svc+0x78/0x1d0 [ 50.680393][ T4495] el0t_64_sync_handler+0xcc/0xe4 [ 50.681240][ T4495] el0t_64_sync+0x1a0/0x1a4 [ 50.909718][ T4567] loop0: detected capacity change from 0 to 32768 [ 50.916050][ T4567] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4567) [ 50.924160][ T4567] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 50.926554][ T4567] BTRFS info (device loop0): force clearing of disk cache [ 50.928303][ T4567] BTRFS info (device loop0): setting nodatasum [ 50.929601][ T4567] BTRFS info (device loop0): allowing degraded mounts [ 50.930957][ T4567] BTRFS info (device loop0): enabling disk space caching [ 50.931987][ T4567] BTRFS info (device loop0): disk space caching is enabled [ 50.933170][ T4567] BTRFS info (device loop0): has skinny extents [ 50.992156][ T4567] BTRFS info (device loop0): enabling ssd optimizations [ 50.994063][ T4567] BTRFS info (device loop0): clearing free space tree [ 50.995321][ T4567] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 50.997439][ T4567] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 51.001149][ T4567] BTRFS info (device loop0): checking UUID tree [ 51.012004][ T4567] FAULT_INJECTION: forcing a failure. [ 51.012004][ T4567] name failslab, interval 1, probability 0, space 0, times 0 [ 51.014234][ T4567] CPU: 0 PID: 4567 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.015466][ T4567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.017172][ T4567] Call trace: [ 51.017730][ T4567] dump_backtrace+0x0/0x458 [ 51.018475][ T4567] show_stack+0x2c/0x3c [ 51.019227][ T4567] __dump_stack+0x30/0x40 [ 51.019917][ T4567] dump_stack_lvl+0xf4/0x15c [ 51.020748][ T4567] dump_stack+0x1c/0x5c [ 51.021436][ T4567] should_fail+0x3bc/0x514 [ 51.022126][ T4567] __should_failslab+0xbc/0x10c [ 51.022963][ T4567] should_failslab+0x10/0x28 [ 51.023754][ T4567] slab_pre_alloc_hook+0x64/0xe8 [ 51.024616][ T4567] kmem_cache_alloc_trace+0x98/0x3ec [ 51.025488][ T4567] bdi_split_work_to_wbs+0x3f4/0x77c [ 51.026334][ T4567] __writeback_inodes_sb_nr+0x1ac/0x224 [ 51.027223][ T4567] writeback_inodes_sb+0x78/0x8c [ 51.027996][ T4567] sync_filesystem+0xa0/0x218 [ 51.028716][ T4567] btrfs_remount+0x198/0x12b0 [ 51.029478][ T4567] legacy_reconfigure+0xf8/0x110 [ 51.030244][ T4567] reconfigure_super+0x1d4/0x6f4 [ 51.031132][ T4567] path_mount+0xc88/0x1008 [ 51.031892][ T4567] __arm64_sys_mount+0x514/0x5f0 [ 51.032666][ T4567] invoke_syscall+0x98/0x2b0 [ 51.033466][ T4567] el0_svc_common+0x138/0x258 [ 51.034227][ T4567] do_el0_svc+0x58/0x13c [ 51.034915][ T4567] el0_svc+0x78/0x1d0 [ 51.035576][ T4567] el0t_64_sync_handler+0xcc/0xe4 [ 51.036358][ T4567] el0t_64_sync+0x1a0/0x1a4 [ 51.075819][ T4360] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 11 /dev/loop0 scanned by udevd (4360) [ 51.256559][ T4627] loop0: detected capacity change from 0 to 32768 [ 51.270903][ T4627] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 51.272530][ T4627] BTRFS info (device loop0): force clearing of disk cache [ 51.275995][ T4627] BTRFS info (device loop0): setting nodatasum [ 51.277366][ T4627] BTRFS info (device loop0): allowing degraded mounts [ 51.278346][ T4627] BTRFS info (device loop0): enabling disk space caching [ 51.283941][ T4627] BTRFS info (device loop0): disk space caching is enabled [ 51.285224][ T4627] BTRFS info (device loop0): has skinny extents [ 51.296609][ T1540] Bluetooth: hci0: command 0x0409 tx timeout [ 51.344895][ T4627] BTRFS info (device loop0): enabling ssd optimizations [ 51.346801][ T4627] BTRFS info (device loop0): clearing free space tree [ 51.348009][ T4627] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 51.349584][ T4627] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 51.353780][ T4627] BTRFS info (device loop0): checking UUID tree [ 51.357050][ T4627] FAULT_INJECTION: forcing a failure. [ 51.357050][ T4627] name failslab, interval 1, probability 0, space 0, times 0 [ 51.359140][ T4627] CPU: 0 PID: 4627 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.360259][ T4627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.361941][ T4627] Call trace: [ 51.362544][ T4627] dump_backtrace+0x0/0x458 [ 51.363321][ T4627] show_stack+0x2c/0x3c [ 51.364018][ T4627] __dump_stack+0x30/0x40 [ 51.364800][ T4627] dump_stack_lvl+0xf4/0x15c [ 51.365530][ T4627] dump_stack+0x1c/0x5c [ 51.366147][ T4627] should_fail+0x3bc/0x514 [ 51.366907][ T4627] __should_failslab+0xbc/0x10c [ 51.367778][ T4627] should_failslab+0x10/0x28 [ 51.368625][ T4627] slab_pre_alloc_hook+0x64/0xe8 [ 51.369366][ T4627] kmem_cache_alloc_trace+0x98/0x3ec [ 51.370223][ T4627] bdi_split_work_to_wbs+0x3f4/0x77c [ 51.371101][ T4627] __writeback_inodes_sb_nr+0x1ac/0x224 [ 51.371980][ T4627] writeback_inodes_sb+0x78/0x8c [ 51.372800][ T4627] sync_filesystem+0xa0/0x218 [ 51.373534][ T4627] btrfs_remount+0x198/0x12b0 [ 51.374373][ T4627] legacy_reconfigure+0xf8/0x110 [ 51.375150][ T4627] reconfigure_super+0x1d4/0x6f4 [ 51.375938][ T4627] path_mount+0xc88/0x1008 [ 51.376658][ T4627] __arm64_sys_mount+0x514/0x5f0 [ 51.377479][ T4627] invoke_syscall+0x98/0x2b0 [ 51.378242][ T4627] el0_svc_common+0x138/0x258 [ 51.379010][ T4627] do_el0_svc+0x58/0x13c [ 51.379688][ T4627] el0_svc+0x78/0x1d0 [ 51.380289][ T4627] el0t_64_sync_handler+0xcc/0xe4 [ 51.381079][ T4627] el0t_64_sync+0x1a0/0x1a4 [ 51.581877][ T4689] loop0: detected capacity change from 0 to 32768 [ 51.588686][ T4689] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4689) [ 51.593707][ T4689] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 51.595158][ T4689] BTRFS info (device loop0): force clearing of disk cache [ 51.596994][ T4689] BTRFS info (device loop0): setting nodatasum [ 51.598320][ T4689] BTRFS info (device loop0): allowing degraded mounts [ 51.599410][ T4689] BTRFS info (device loop0): enabling disk space caching [ 51.600538][ T4689] BTRFS info (device loop0): disk space caching is enabled [ 51.601724][ T4689] BTRFS info (device loop0): has skinny extents [ 51.663345][ T4689] BTRFS info (device loop0): enabling ssd optimizations [ 51.666355][ T4689] BTRFS info (device loop0): clearing free space tree [ 51.667436][ T4689] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 51.669099][ T4689] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 51.674610][ T4689] BTRFS info (device loop0): checking UUID tree [ 51.682004][ T4689] FAULT_INJECTION: forcing a failure. [ 51.682004][ T4689] name failslab, interval 1, probability 0, space 0, times 0 [ 51.684371][ T4689] CPU: 0 PID: 4689 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.685590][ T4689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.687313][ T4689] Call trace: [ 51.687819][ T4689] dump_backtrace+0x0/0x458 [ 51.688555][ T4689] show_stack+0x2c/0x3c [ 51.689178][ T4689] __dump_stack+0x30/0x40 [ 51.689885][ T4689] dump_stack_lvl+0xf4/0x15c [ 51.690664][ T4689] dump_stack+0x1c/0x5c [ 51.691319][ T4689] should_fail+0x3bc/0x514 [ 51.692007][ T4689] __should_failslab+0xbc/0x10c [ 51.692812][ T4689] should_failslab+0x10/0x28 [ 51.693477][ T4689] slab_pre_alloc_hook+0x64/0xe8 [ 51.694232][ T4689] kmem_cache_alloc_trace+0x98/0x3ec [ 51.695065][ T4689] legacy_init_fs_context+0x5c/0xc8 [ 51.695842][ T4689] alloc_fs_context+0x550/0x7c4 [ 51.696565][ T4689] fs_context_for_reconfigure+0x7c/0x94 [ 51.697478][ T4689] path_mount+0xbb8/0x1008 [ 51.698146][ T4689] __arm64_sys_mount+0x514/0x5f0 [ 51.698958][ T4689] invoke_syscall+0x98/0x2b0 [ 51.699707][ T4689] el0_svc_common+0x138/0x258 [ 51.700511][ T4689] do_el0_svc+0x58/0x13c [ 51.701194][ T4689] el0_svc+0x78/0x1d0 [ 51.701866][ T4689] el0t_64_sync_handler+0xcc/0xe4 [ 51.702673][ T4689] el0t_64_sync+0x1a0/0x1a4 [ 51.883452][ T4742] loop0: detected capacity change from 0 to 32768 [ 51.894900][ T4742] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4742) [ 51.899599][ T4742] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 51.900966][ T4742] BTRFS info (device loop0): force clearing of disk cache [ 51.902132][ T4742] BTRFS info (device loop0): setting nodatasum [ 51.903121][ T4742] BTRFS info (device loop0): allowing degraded mounts [ 51.904198][ T4742] BTRFS info (device loop0): enabling disk space caching [ 51.905308][ T4742] BTRFS info (device loop0): disk space caching is enabled [ 51.907800][ T4742] BTRFS info (device loop0): has skinny extents [ 51.944676][ T4742] BTRFS info (device loop0): enabling ssd optimizations [ 51.946664][ T4742] BTRFS info (device loop0): clearing free space tree [ 51.947914][ T4742] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 51.949486][ T4742] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 51.953840][ T4742] BTRFS info (device loop0): checking UUID tree [ 51.959091][ T4742] FAULT_INJECTION: forcing a failure. [ 51.959091][ T4742] name failslab, interval 1, probability 0, space 0, times 0 [ 51.961328][ T4742] CPU: 1 PID: 4742 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.962708][ T4742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.964404][ T4742] Call trace: [ 51.964923][ T4742] dump_backtrace+0x0/0x458 [ 51.965698][ T4742] show_stack+0x2c/0x3c [ 51.966412][ T4742] __dump_stack+0x30/0x40 [ 51.967138][ T4742] dump_stack_lvl+0xf4/0x15c [ 51.967909][ T4742] dump_stack+0x1c/0x5c [ 51.968570][ T4742] should_fail+0x3bc/0x514 [ 51.969243][ T4742] __should_failslab+0xbc/0x10c [ 51.969934][ T4742] should_failslab+0x10/0x28 [ 51.970584][ T4742] slab_pre_alloc_hook+0x64/0xe8 [ 51.971349][ T4742] kmem_cache_alloc_trace+0x98/0x3ec [ 51.972151][ T4742] bdi_split_work_to_wbs+0x3f4/0x77c [ 51.972955][ T4742] __writeback_inodes_sb_nr+0x1ac/0x224 [ 51.973815][ T4742] writeback_inodes_sb+0x78/0x8c [ 51.974612][ T4742] sync_filesystem+0xa0/0x218 [ 51.975326][ T4742] btrfs_remount+0x198/0x12b0 [ 51.976063][ T4742] legacy_reconfigure+0xf8/0x110 [ 51.976836][ T4742] reconfigure_super+0x1d4/0x6f4 [ 51.977629][ T4742] path_mount+0xc88/0x1008 [ 51.978248][ T4742] __arm64_sys_mount+0x514/0x5f0 [ 51.979039][ T4742] invoke_syscall+0x98/0x2b0 [ 51.979746][ T4742] el0_svc_common+0x138/0x258 [ 51.980530][ T4742] do_el0_svc+0x58/0x13c [ 51.981294][ T4742] el0_svc+0x78/0x1d0 [ 51.981968][ T4742] el0t_64_sync_handler+0xcc/0xe4 [ 51.982832][ T4742] el0t_64_sync+0x1a0/0x1a4 [ 52.169885][ T4807] loop0: detected capacity change from 0 to 32768 [ 52.180695][ T4807] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4807) [ 52.190629][ T4807] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 52.192370][ T4807] BTRFS info (device loop0): force clearing of disk cache [ 52.195993][ T4807] BTRFS info (device loop0): setting nodatasum [ 52.197132][ T4807] BTRFS info (device loop0): allowing degraded mounts [ 52.198372][ T4807] BTRFS info (device loop0): enabling disk space caching [ 52.199473][ T4807] BTRFS info (device loop0): disk space caching is enabled [ 52.200567][ T4807] BTRFS info (device loop0): has skinny extents [ 52.252411][ T4807] BTRFS info (device loop0): enabling ssd optimizations [ 52.254186][ T4807] BTRFS info (device loop0): clearing free space tree [ 52.255365][ T4807] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 52.257532][ T4807] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 52.261834][ T4807] BTRFS info (device loop0): checking UUID tree [ 52.276941][ T4807] FAULT_INJECTION: forcing a failure. [ 52.276941][ T4807] name failslab, interval 1, probability 0, space 0, times 0 [ 52.279146][ T4807] CPU: 1 PID: 4807 Comm: syz-executor.0 Not tainted syzkaller #0 [ 52.280431][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.282141][ T4807] Call trace: [ 52.282699][ T4807] dump_backtrace+0x0/0x458 [ 52.283441][ T4807] show_stack+0x2c/0x3c [ 52.284111][ T4807] __dump_stack+0x30/0x40 [ 52.284813][ T4807] dump_stack_lvl+0xf4/0x15c [ 52.285533][ T4807] dump_stack+0x1c/0x5c [ 52.286276][ T4807] should_fail+0x3bc/0x514 [ 52.287038][ T4807] __should_failslab+0xbc/0x10c [ 52.287848][ T4807] should_failslab+0x10/0x28 [ 52.288539][ T4807] slab_pre_alloc_hook+0x64/0xe8 [ 52.289391][ T4807] kmem_cache_alloc_trace+0x98/0x3ec [ 52.290295][ T4807] legacy_init_fs_context+0x5c/0xc8 [ 52.291183][ T4807] alloc_fs_context+0x550/0x7c4 [ 52.292021][ T4807] fs_context_for_reconfigure+0x7c/0x94 [ 52.292877][ T4807] path_mount+0xbb8/0x1008 [ 52.293570][ T4807] __arm64_sys_mount+0x514/0x5f0 [ 52.294292][ T4807] invoke_syscall+0x98/0x2b0 [ 52.295025][ T4807] el0_svc_common+0x138/0x258 [ 52.295851][ T4807] do_el0_svc+0x58/0x13c [ 52.296588][ T4807] el0_svc+0x78/0x1d0 [ 52.297277][ T4807] el0t_64_sync_handler+0xcc/0xe4 [ 52.298135][ T4807] el0t_64_sync+0x1a0/0x1a4 [ 52.564542][ T4867] loop0: detected capacity change from 0 to 32768 [ 52.568502][ T4867] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4867) [ 52.572994][ T4867] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 52.574729][ T4867] BTRFS info (device loop0): force clearing of disk cache [ 52.576090][ T4867] BTRFS info (device loop0): setting nodatasum [ 52.577235][ T4867] BTRFS info (device loop0): allowing degraded mounts [ 52.578409][ T4867] BTRFS info (device loop0): enabling disk space caching [ 52.579629][ T4867] BTRFS info (device loop0): disk space caching is enabled [ 52.580894][ T4867] BTRFS info (device loop0): has skinny extents [ 52.591371][ T4867] BTRFS info (device loop0): enabling ssd optimizations [ 52.593002][ T4867] BTRFS info (device loop0): clearing free space tree [ 52.594129][ T4867] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 52.595858][ T4867] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 52.599468][ T4867] BTRFS info (device loop0): checking UUID tree [ 52.602444][ T4867] FAULT_INJECTION: forcing a failure. [ 52.602444][ T4867] name failslab, interval 1, probability 0, space 0, times 0 [ 52.604722][ T4867] CPU: 0 PID: 4867 Comm: syz-executor.0 Not tainted syzkaller #0 [ 52.605979][ T4867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.607734][ T4867] Call trace: [ 52.608332][ T4867] dump_backtrace+0x0/0x458 [ 52.609087][ T4867] show_stack+0x2c/0x3c [ 52.609811][ T4867] __dump_stack+0x30/0x40 [ 52.610522][ T4867] dump_stack_lvl+0xf4/0x15c [ 52.611308][ T4867] dump_stack+0x1c/0x5c [ 52.612001][ T4867] should_fail+0x3bc/0x514 [ 52.612733][ T4867] __should_failslab+0xbc/0x10c [ 52.613518][ T4867] should_failslab+0x10/0x28 [ 52.614301][ T4867] slab_pre_alloc_hook+0x64/0xe8 [ 52.615147][ T4867] kmem_cache_alloc_trace+0x98/0x3ec [ 52.616030][ T4867] legacy_init_fs_context+0x5c/0xc8 [ 52.616851][ T4867] alloc_fs_context+0x550/0x7c4 [ 52.617627][ T4867] fs_context_for_reconfigure+0x7c/0x94 [ 52.618552][ T4867] path_mount+0xbb8/0x1008 [ 52.619296][ T4867] __arm64_sys_mount+0x514/0x5f0 [ 52.620096][ T4867] invoke_syscall+0x98/0x2b0 [ 52.620816][ T4867] el0_svc_common+0x138/0x258 [ 52.621546][ T4867] do_el0_svc+0x58/0x13c [ 52.622243][ T4867] el0_svc+0x78/0x1d0 [ 52.622918][ T4867] el0t_64_sync_handler+0xcc/0xe4 [ 52.623784][ T4867] el0t_64_sync+0x1a0/0x1a4 [ 52.800014][ T4899] loop0: detected capacity change from 0 to 32768 [ 52.802501][ T4899] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4899) [ 52.808215][ T4899] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 52.809814][ T4899] BTRFS info (device loop0): force clearing of disk cache [ 52.810951][ T4899] BTRFS info (device loop0): setting nodatasum [ 52.811941][ T4899] BTRFS info (device loop0): allowing degraded mounts [ 52.813055][ T4899] BTRFS info (device loop0): enabling disk space caching [ 52.814293][ T4899] BTRFS info (device loop0): disk space caching is enabled [ 52.815495][ T4899] BTRFS info (device loop0): has skinny extents [ 52.828800][ T4899] BTRFS info (device loop0): enabling ssd optimizations [ 52.830507][ T4899] BTRFS info (device loop0): clearing free space tree [ 52.831721][ T4899] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 52.833323][ T4899] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 52.838123][ T4899] BTRFS info (device loop0): checking UUID tree [ 52.841234][ T4899] FAULT_INJECTION: forcing a failure. [ 52.841234][ T4899] name failslab, interval 1, probability 0, space 0, times 0 [ 52.843272][ T4899] CPU: 0 PID: 4899 Comm: syz-executor.0 Not tainted syzkaller #0 [ 52.844487][ T4899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.846077][ T4899] Call trace: [ 52.846648][ T4899] dump_backtrace+0x0/0x458 [ 52.847410][ T4899] show_stack+0x2c/0x3c [ 52.848106][ T4899] __dump_stack+0x30/0x40 [ 52.848883][ T4899] dump_stack_lvl+0xf4/0x15c [ 52.849641][ T4899] dump_stack+0x1c/0x5c [ 52.850365][ T4899] should_fail+0x3bc/0x514 [ 52.851110][ T4899] __should_failslab+0xbc/0x10c [ 52.851892][ T4899] should_failslab+0x10/0x28 [ 52.852639][ T4899] slab_pre_alloc_hook+0x64/0xe8 [ 52.853438][ T4899] kmem_cache_alloc+0x94/0x3d4 [ 52.854216][ T4899] start_transaction+0x4d0/0x13ec [ 52.855078][ T4899] btrfs_attach_transaction_barrier+0x30/0xac [ 52.856084][ T4899] btrfs_sync_fs+0x13c/0xb24 [ 52.856799][ T4899] sync_filesystem+0x1a0/0x218 [ 52.857614][ T4899] btrfs_remount+0x198/0x12b0 [ 52.858355][ T4899] legacy_reconfigure+0xf8/0x110 [ 52.859200][ T4899] reconfigure_super+0x1d4/0x6f4 [ 52.860010][ T4899] path_mount+0xc88/0x1008 [ 52.860761][ T4899] __arm64_sys_mount+0x514/0x5f0 [ 52.861617][ T4899] invoke_syscall+0x98/0x2b0 [ 52.862380][ T4899] el0_svc_common+0x138/0x258 [ 52.863261][ T4899] do_el0_svc+0x58/0x13c [ 52.864018][ T4899] el0_svc+0x78/0x1d0 [ 52.864638][ T4899] el0t_64_sync_handler+0xcc/0xe4 [ 52.865425][ T4899] el0t_64_sync+0x1a0/0x1a4 [ 53.043931][ T4921] loop0: detected capacity change from 0 to 32768 [ 53.047010][ T4921] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4921) [ 53.050339][ T4921] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 53.052785][ T4921] BTRFS info (device loop0): force clearing of disk cache [ 53.054130][ T4921] BTRFS info (device loop0): setting nodatasum [ 53.055143][ T4921] BTRFS info (device loop0): allowing degraded mounts [ 53.069004][ T4921] FAULT_INJECTION: forcing a failure. [ 53.069004][ T4921] name failslab, interval 1, probability 0, space 0, times 0 [ 53.071298][ T4921] CPU: 0 PID: 4921 Comm: syz-executor.0 Not tainted syzkaller #0 [ 53.072531][ T4921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.074093][ T4921] Call trace: [ 53.074645][ T4921] dump_backtrace+0x0/0x458 [ 53.075487][ T4921] show_stack+0x2c/0x3c [ 53.076162][ T4921] __dump_stack+0x30/0x40 [ 53.076888][ T4921] dump_stack_lvl+0xf4/0x15c [ 53.077655][ T4921] dump_stack+0x1c/0x5c [ 53.078260][ T4921] should_fail+0x3bc/0x514 [ 53.078989][ T4921] __should_failslab+0xbc/0x10c [ 53.079792][ T4921] should_failslab+0x10/0x28 [ 53.080585][ T4921] slab_pre_alloc_hook+0x64/0xe8 [ 53.081473][ T4921] kmem_cache_alloc_trace+0x98/0x3ec [ 53.082427][ T4921] bdi_split_work_to_wbs+0x3f4/0x77c [ 53.083375][ T4921] __writeback_inodes_sb_nr+0x1ac/0x224 [ 53.084287][ T4921] writeback_inodes_sb+0x78/0x8c [ 53.085141][ T4921] sync_filesystem+0xa0/0x218 [ 53.085951][ T4921] btrfs_remount+0x198/0x12b0 [ 53.086712][ T4921] legacy_reconfigure+0xf8/0x110 [ 53.087560][ T4921] reconfigure_super+0x1d4/0x6f4 [ 53.088465][ T4921] path_mount+0xc88/0x1008 [ 53.089117][ T4921] __arm64_sys_mount+0x514/0x5f0 [ 53.089800][ T4921] invoke_syscall+0x98/0x2b0 [ 53.090425][ T4921] el0_svc_common+0x138/0x258 [ 53.091052][ T4921] do_el0_svc+0x58/0x13c [ 53.091629][ T4921] el0_svc+0x78/0x1d0 [ 53.092179][ T4921] el0t_64_sync_handler+0xcc/0xe4 [ 53.092954][ T4921] el0t_64_sync+0x1a0/0x1a4 [ 53.284057][ T4943] loop0: detected capacity change from 0 to 32768 [ 53.287381][ T4943] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4943) [ 53.310817][ T4943] FAULT_INJECTION: forcing a failure. [ 53.310817][ T4943] name failslab, interval 1, probability 0, space 0, times 0 [ 53.313131][ T4943] CPU: 0 PID: 4943 Comm: syz-executor.0 Not tainted syzkaller #0 [ 53.314381][ T4943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.316054][ T4943] Call trace: [ 53.316579][ T4943] dump_backtrace+0x0/0x458 [ 53.317267][ T4943] show_stack+0x2c/0x3c [ 53.317907][ T4943] __dump_stack+0x30/0x40 [ 53.318661][ T4943] dump_stack_lvl+0xf4/0x15c [ 53.319428][ T4943] dump_stack+0x1c/0x5c [ 53.320142][ T4943] should_fail+0x3bc/0x514 [ 53.320860][ T4943] __should_failslab+0xbc/0x10c [ 53.321645][ T4943] should_failslab+0x10/0x28 [ 53.322425][ T4943] slab_pre_alloc_hook+0x64/0xe8 [ 53.323238][ T4943] kmem_cache_alloc+0x94/0x3d4 [ 53.324016][ T4943] start_transaction+0x4d0/0x13ec [ 53.324886][ T4943] btrfs_attach_transaction_barrier+0x30/0xac [ 53.325913][ T4943] btrfs_sync_fs+0x13c/0xb24 [ 53.326754][ T4943] sync_filesystem+0x1a0/0x218 [ 53.327571][ T4943] btrfs_remount+0x198/0x12b0 [ 53.328320][ T4943] legacy_reconfigure+0xf8/0x110 [ 53.329138][ T4943] reconfigure_super+0x1d4/0x6f4 [ 53.329925][ T4943] path_mount+0xc88/0x1008 [ 53.330707][ T4943] __arm64_sys_mount+0x514/0x5f0 [ 53.331507][ T4943] invoke_syscall+0x98/0x2b0 [ 53.332351][ T4943] el0_svc_common+0x138/0x258 [ 53.333136][ T4943] do_el0_svc+0x58/0x13c [ 53.333882][ T4943] el0_svc+0x78/0x1d0 [ 53.334608][ T4943] el0t_64_sync_handler+0xcc/0xe4 [ 53.335483][ T4943] el0t_64_sync+0x1a0/0x1a4 [ 53.366108][ T4799] Bluetooth: hci0: command 0x041b tx timeout [ 53.508096][ T4965] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4965) [ 53.527914][ T4965] FAULT_INJECTION: forcing a failure. [ 53.527914][ T4965] name failslab, interval 1, probability 0, space 0, times 0 [ 53.530185][ T4965] CPU: 0 PID: 4965 Comm: syz-executor.0 Not tainted syzkaller #0 [ 53.531433][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.533176][ T4965] Call trace: [ 53.533656][ T4965] dump_backtrace+0x0/0x458 [ 53.534395][ T4965] show_stack+0x2c/0x3c [ 53.535092][ T4965] __dump_stack+0x30/0x40 [ 53.535789][ T4965] dump_stack_lvl+0xf4/0x15c [ 53.536549][ T4965] dump_stack+0x1c/0x5c [ 53.537300][ T4965] should_fail+0x3bc/0x514 [ 53.538089][ T4965] __should_failslab+0xbc/0x10c [ 53.538852][ T4965] should_failslab+0x10/0x28 [ 53.539603][ T4965] slab_pre_alloc_hook+0x64/0xe8 [ 53.540482][ T4965] kmem_cache_alloc+0x94/0x3d4 [ 53.541246][ T4965] getname_flags+0xb8/0x450 [ 53.541942][ T4965] getname+0x28/0x38 [ 53.542590][ T4965] do_sys_openat2+0xdc/0x3f4 [ 53.543370][ T4965] __arm64_sys_openat+0x118/0x14c [ 53.544256][ T4965] invoke_syscall+0x98/0x2b0 [ 53.545100][ T4965] el0_svc_common+0x138/0x258 [ 53.545970][ T4965] do_el0_svc+0x58/0x13c [ 53.546605][ T4965] el0_svc+0x78/0x1d0 [ 53.547236][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 53.548100][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 53.727654][ T4987] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4987) [ 53.746953][ T4987] FAULT_INJECTION: forcing a failure. [ 53.746953][ T4987] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 53.749089][ T4987] CPU: 1 PID: 4987 Comm: syz-executor.0 Not tainted syzkaller #0 [ 53.750242][ T4987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.751985][ T4987] Call trace: [ 53.752508][ T4987] dump_backtrace+0x0/0x458 [ 53.753203][ T4987] show_stack+0x2c/0x3c [ 53.753892][ T4987] __dump_stack+0x30/0x40 [ 53.754650][ T4987] dump_stack_lvl+0xf4/0x15c [ 53.755463][ T4987] dump_stack+0x1c/0x5c [ 53.756202][ T4987] should_fail+0x3bc/0x514 [ 53.756944][ T4987] should_fail_alloc_page+0x74/0xa8 [ 53.757818][ T4987] prepare_alloc_pages+0x160/0x45c [ 53.758727][ T4987] __alloc_pages+0x108/0x470 [ 53.759486][ T4987] alloc_pages+0x34c/0x5c0 [ 53.760297][ T4987] new_slab+0xe0/0x544 [ 53.760904][ T4987] ___slab_alloc+0x6b4/0xd8c [ 53.761681][ T4987] __slab_alloc+0x68/0xc0 [ 53.762427][ T4987] kmem_cache_alloc_trace+0x2b8/0x3ec [ 53.763400][ T4987] bdi_split_work_to_wbs+0x3f4/0x77c [ 53.764290][ T4987] __writeback_inodes_sb_nr+0x1ac/0x224 [ 53.765223][ T4987] writeback_inodes_sb+0x78/0x8c [ 53.766060][ T4987] sync_filesystem+0xa0/0x218 [ 53.766914][ T4987] btrfs_remount+0x198/0x12b0 [ 53.767674][ T4987] legacy_reconfigure+0xf8/0x110 [ 53.768357][ T4987] reconfigure_super+0x1d4/0x6f4 [ 53.769158][ T4987] path_mount+0xc88/0x1008 [ 53.769983][ T4987] __arm64_sys_mount+0x514/0x5f0 [ 53.770895][ T4987] invoke_syscall+0x98/0x2b0 [ 53.771706][ T4987] el0_svc_common+0x138/0x258 [ 53.772519][ T4987] do_el0_svc+0x58/0x13c [ 53.773222][ T4987] el0_svc+0x78/0x1d0 [ 53.773934][ T4987] el0t_64_sync_handler+0xcc/0xe4 [ 53.774813][ T4987] el0t_64_sync+0x1a0/0x1a4 [ 53.964690][ T5009] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5009) [ 53.982740][ T5009] FAULT_INJECTION: forcing a failure. [ 53.982740][ T5009] name failslab, interval 1, probability 0, space 0, times 0 [ 53.984857][ T5009] CPU: 1 PID: 5009 Comm: syz-executor.0 Not tainted syzkaller #0 [ 53.986001][ T5009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.987616][ T5009] Call trace: [ 53.988100][ T5009] dump_backtrace+0x0/0x458 [ 53.988816][ T5009] show_stack+0x2c/0x3c [ 53.989446][ T5009] __dump_stack+0x30/0x40 [ 53.990143][ T5009] dump_stack_lvl+0xf4/0x15c [ 53.990848][ T5009] dump_stack+0x1c/0x5c [ 53.991519][ T5009] should_fail+0x3bc/0x514 [ 53.992231][ T5009] __should_failslab+0xbc/0x10c [ 53.993067][ T5009] should_failslab+0x10/0x28 [ 53.993878][ T5009] slab_pre_alloc_hook+0x64/0xe8 [ 53.994740][ T5009] kmem_cache_alloc+0x94/0x3d4 [ 53.995535][ T5009] start_transaction+0x4d0/0x13ec [ 53.996308][ T5009] btrfs_attach_transaction_barrier+0x30/0xac [ 53.997276][ T5009] btrfs_sync_fs+0x13c/0xb24 [ 53.998078][ T5009] sync_filesystem+0x1a0/0x218 [ 53.998873][ T5009] btrfs_remount+0x198/0x12b0 [ 53.999713][ T5009] legacy_reconfigure+0xf8/0x110 [ 54.000557][ T5009] reconfigure_super+0x1d4/0x6f4 [ 54.001473][ T5009] path_mount+0xc88/0x1008 [ 54.002241][ T5009] __arm64_sys_mount+0x514/0x5f0 [ 54.003070][ T5009] invoke_syscall+0x98/0x2b0 [ 54.003835][ T5009] el0_svc_common+0x138/0x258 [ 54.004626][ T5009] do_el0_svc+0x58/0x13c [ 54.005370][ T5009] el0_svc+0x78/0x1d0 [ 54.006022][ T5009] el0t_64_sync_handler+0xcc/0xe4 [ 54.006832][ T5009] el0t_64_sync+0x1a0/0x1a4 [ 54.175008][ T5031] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5031) [ 54.196682][ T5031] FAULT_INJECTION: forcing a failure. [ 54.196682][ T5031] name failslab, interval 1, probability 0, space 0, times 0 [ 54.199017][ T5031] CPU: 1 PID: 5031 Comm: syz-executor.0 Not tainted syzkaller #0 [ 54.200332][ T5031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.201985][ T5031] Call trace: [ 54.202551][ T5031] dump_backtrace+0x0/0x458 [ 54.203270][ T5031] show_stack+0x2c/0x3c [ 54.203897][ T5031] __dump_stack+0x30/0x40 [ 54.204568][ T5031] dump_stack_lvl+0xf4/0x15c [ 54.205298][ T5031] dump_stack+0x1c/0x5c [ 54.205914][ T5031] should_fail+0x3bc/0x514 [ 54.206582][ T5031] __should_failslab+0xbc/0x10c [ 54.207322][ T5031] should_failslab+0x10/0x28 [ 54.207940][ T5031] slab_pre_alloc_hook+0x64/0xe8 [ 54.208681][ T5031] kmem_cache_alloc+0x94/0x3d4 [ 54.209402][ T5031] btrfs_alloc_path+0x5c/0x68 [ 54.210173][ T5031] __btrfs_run_delayed_items+0x88/0x46c [ 54.211085][ T5031] btrfs_run_delayed_items+0x24/0x34 [ 54.211941][ T5031] btrfs_commit_transaction+0x7e0/0x3078 [ 54.212861][ T5031] btrfs_sync_fs+0x628/0xb24 [ 54.213619][ T5031] sync_filesystem+0x1a0/0x218 [ 54.214472][ T5031] btrfs_remount+0x198/0x12b0 [ 54.215253][ T5031] legacy_reconfigure+0xf8/0x110 [ 54.215970][ T5031] reconfigure_super+0x1d4/0x6f4 [ 54.216645][ T5031] path_mount+0xc88/0x1008 [ 54.217411][ T5031] __arm64_sys_mount+0x514/0x5f0 [ 54.218202][ T5031] invoke_syscall+0x98/0x2b0 [ 54.218947][ T5031] el0_svc_common+0x138/0x258 [ 54.219738][ T5031] do_el0_svc+0x58/0x13c [ 54.220409][ T5031] el0_svc+0x78/0x1d0 [ 54.221108][ T5031] el0t_64_sync_handler+0xcc/0xe4 [ 54.221934][ T5031] el0t_64_sync+0x1a0/0x1a4 [ 54.223089][ T5031] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 54.224491][ T5031] ------------[ cut here ]------------ [ 54.225517][ T5031] WARNING: CPU: 1 PID: 5031 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 54.227255][ T5031] Modules linked in: [ 54.227878][ T5031] CPU: 1 PID: 5031 Comm: syz-executor.0 Not tainted syzkaller #0 [ 54.229139][ T5031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.230718][ T5031] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.232045][ T5031] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 54.233038][ T5031] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 54.234028][ T5031] sp : ffff8000204575a0 [ 54.234687][ T5031] x29: ffff8000204577e0 x28: ffff70000408aecc x27: 1fffe00019732c65 [ 54.235922][ T5031] x26: ffff0000ca868000 x25: 00000000fffffff4 x24: ffff0000cb996328 [ 54.237305][ T5031] x23: ffff0000dc6f4268 x22: ffff0000dc6f4210 x21: ffff0000dc384000 [ 54.238724][ T5031] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 54.240075][ T5031] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 54.241399][ T5031] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 54.242705][ T5031] x11: 0000000000000000 x10: 0000000000000000 x9 : 85b3a0f3da778d00 [ 54.243968][ T5031] x8 : 85b3a0f3da778d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.245202][ T5031] x5 : ffff800020456eb8 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 54.246581][ T5031] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.247925][ T5031] Call trace: [ 54.248456][ T5031] btrfs_commit_transaction+0x1ddc/0x3078 [ 54.249544][ T5031] btrfs_sync_fs+0x628/0xb24 [ 54.250263][ T5031] sync_filesystem+0x1a0/0x218 [ 54.251112][ T5031] btrfs_remount+0x198/0x12b0 [ 54.251903][ T5031] legacy_reconfigure+0xf8/0x110 [ 54.252738][ T5031] reconfigure_super+0x1d4/0x6f4 [ 54.253615][ T5031] path_mount+0xc88/0x1008 [ 54.254352][ T5031] __arm64_sys_mount+0x514/0x5f0 [ 54.255185][ T5031] invoke_syscall+0x98/0x2b0 [ 54.255958][ T5031] el0_svc_common+0x138/0x258 [ 54.256766][ T5031] do_el0_svc+0x58/0x13c 1970/01/01 00:00:54 executed programs: 14 [ 54.257504][ T5031] el0_svc+0x78/0x1d0 [ 54.258185][ T5031] el0t_64_sync_handler+0xcc/0xe4 [ 54.259065][ T5031] el0t_64_sync+0x1a0/0x1a4 [ 54.259866][ T5031] irq event stamp: 79140 [ 54.260567][ T5031] hardirqs last enabled at (79139): [] __up_console_sem+0xb4/0xfc [ 54.262217][ T5031] hardirqs last disabled at (79140): [] el1_dbg+0x24/0x80 [ 54.263709][ T5031] softirqs last enabled at (79106): [] handle_softirqs+0xa40/0xbe4 [ 54.265240][ T5031] softirqs last disabled at (79057): [] __irq_exit_rcu+0x240/0x43c [ 54.266872][ T5031] ---[ end trace 37e6f49526f84ab1 ]--- [ 54.268230][ T5031] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 54.269945][ T5031] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 54.465154][ T5053] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5053) [ 54.497849][ T5053] FAULT_INJECTION: forcing a failure. [ 54.497849][ T5053] name failslab, interval 1, probability 0, space 0, times 0 [ 54.499984][ T5053] CPU: 0 PID: 5053 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.501462][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.503132][ T5053] Call trace: [ 54.503598][ T5053] dump_backtrace+0x0/0x458 [ 54.504372][ T5053] show_stack+0x2c/0x3c [ 54.504992][ T5053] __dump_stack+0x30/0x40 [ 54.505682][ T5053] dump_stack_lvl+0xf4/0x15c [ 54.506427][ T5053] dump_stack+0x1c/0x5c [ 54.507168][ T5053] should_fail+0x3bc/0x514 [ 54.507918][ T5053] __should_failslab+0xbc/0x10c [ 54.508783][ T5053] should_failslab+0x10/0x28 [ 54.509547][ T5053] slab_pre_alloc_hook+0x64/0xe8 [ 54.510400][ T5053] kmem_cache_alloc+0x94/0x3d4 [ 54.511210][ T5053] btrfs_alloc_path+0x5c/0x68 [ 54.512082][ T5053] __btrfs_run_delayed_items+0x88/0x46c [ 54.512967][ T5053] btrfs_run_delayed_items+0x24/0x34 [ 54.513842][ T5053] btrfs_commit_transaction+0x7e0/0x3078 [ 54.514817][ T5053] btrfs_sync_fs+0x628/0xb24 [ 54.515667][ T5053] sync_filesystem+0x1a0/0x218 [ 54.516453][ T5053] btrfs_remount+0x198/0x12b0 [ 54.517217][ T5053] legacy_reconfigure+0xf8/0x110 [ 54.518063][ T5053] reconfigure_super+0x1d4/0x6f4 [ 54.518914][ T5053] path_mount+0xc88/0x1008 [ 54.519647][ T5053] __arm64_sys_mount+0x514/0x5f0 [ 54.520484][ T5053] invoke_syscall+0x98/0x2b0 [ 54.521240][ T5053] el0_svc_common+0x138/0x258 [ 54.521969][ T5053] do_el0_svc+0x58/0x13c [ 54.522751][ T5053] el0_svc+0x78/0x1d0 [ 54.523438][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 54.524347][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 54.525997][ T5053] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 54.527373][ T5053] ------------[ cut here ]------------ [ 54.528372][ T5053] WARNING: CPU: 1 PID: 5053 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 54.530062][ T5053] Modules linked in: [ 54.530788][ T5053] CPU: 1 PID: 5053 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.532256][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.533771][ T5053] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.535043][ T5053] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 54.536025][ T5053] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 54.536962][ T5053] sp : ffff8000204675a0 [ 54.537551][ T5053] x29: ffff8000204677e0 x28: ffff70000408cecc x27: 1fffe0001846e595 [ 54.538764][ T5053] x26: ffff0000c8f23000 x25: 00000000fffffff4 x24: ffff0000c2372ca8 [ 54.539976][ T5053] x23: ffff0000d210d948 x22: ffff0000d210d8f0 x21: ffff0000d55b0000 [ 54.541293][ T5053] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 54.542700][ T5053] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 54.543997][ T5053] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 54.545263][ T5053] x11: 0000000000000000 x10: 0000000000000000 x9 : 56448bef983d2600 [ 54.546597][ T5053] x8 : 56448bef983d2600 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.547996][ T5053] x5 : ffff800020466eb8 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 54.549390][ T5053] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.550774][ T5053] Call trace: [ 54.551334][ T5053] btrfs_commit_transaction+0x1ddc/0x3078 [ 54.552311][ T5053] btrfs_sync_fs+0x628/0xb24 [ 54.553096][ T5053] sync_filesystem+0x1a0/0x218 [ 54.553918][ T5053] btrfs_remount+0x198/0x12b0 [ 54.554693][ T5053] legacy_reconfigure+0xf8/0x110 [ 54.555536][ T5053] reconfigure_super+0x1d4/0x6f4 [ 54.556373][ T5053] path_mount+0xc88/0x1008 [ 54.557121][ T5053] __arm64_sys_mount+0x514/0x5f0 [ 54.557961][ T5053] invoke_syscall+0x98/0x2b0 [ 54.558768][ T5053] el0_svc_common+0x138/0x258 [ 54.559604][ T5053] do_el0_svc+0x58/0x13c [ 54.560314][ T5053] el0_svc+0x78/0x1d0 [ 54.561006][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 54.561848][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 54.562604][ T5053] irq event stamp: 79578 [ 54.563366][ T5053] hardirqs last enabled at (79577): [] __up_console_sem+0xb4/0xfc [ 54.564976][ T5053] hardirqs last disabled at (79578): [] el1_dbg+0x24/0x80 [ 54.566378][ T5053] softirqs last enabled at (79548): [] handle_softirqs+0xa40/0xbe4 [ 54.568027][ T5053] softirqs last disabled at (79513): [] __irq_exit_rcu+0x240/0x43c [ 54.569668][ T5053] ---[ end trace 37e6f49526f84ab2 ]--- [ 54.571525][ T5053] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 54.573101][ T5053] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 54.748037][ T5075] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5075) [ 54.769965][ T5075] FAULT_INJECTION: forcing a failure. [ 54.769965][ T5075] name failslab, interval 1, probability 0, space 0, times 0 [ 54.771997][ T5075] CPU: 0 PID: 5075 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.773377][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.775080][ T5075] Call trace: [ 54.775611][ T5075] dump_backtrace+0x0/0x458 [ 54.776350][ T5075] show_stack+0x2c/0x3c [ 54.777000][ T5075] __dump_stack+0x30/0x40 [ 54.777681][ T5075] dump_stack_lvl+0xf4/0x15c [ 54.778351][ T5075] dump_stack+0x1c/0x5c [ 54.779034][ T5075] should_fail+0x3bc/0x514 [ 54.779727][ T5075] __should_failslab+0xbc/0x10c [ 54.780506][ T5075] should_failslab+0x10/0x28 [ 54.781230][ T5075] slab_pre_alloc_hook+0x64/0xe8 [ 54.782012][ T5075] kmem_cache_alloc+0x94/0x3d4 [ 54.782742][ T5075] btrfs_alloc_path+0x5c/0x68 [ 54.783423][ T5075] __btrfs_run_delayed_items+0x88/0x46c [ 54.784255][ T5075] btrfs_run_delayed_items+0x24/0x34 [ 54.785084][ T5075] btrfs_commit_transaction+0x7e0/0x3078 [ 54.785957][ T5075] btrfs_sync_fs+0x628/0xb24 [ 54.786668][ T5075] sync_filesystem+0x1a0/0x218 [ 54.787379][ T5075] btrfs_remount+0x198/0x12b0 [ 54.788056][ T5075] legacy_reconfigure+0xf8/0x110 [ 54.788784][ T5075] reconfigure_super+0x1d4/0x6f4 [ 54.789591][ T5075] path_mount+0xc88/0x1008 [ 54.790281][ T5075] __arm64_sys_mount+0x514/0x5f0 [ 54.791045][ T5075] invoke_syscall+0x98/0x2b0 [ 54.791712][ T5075] el0_svc_common+0x138/0x258 [ 54.792508][ T5075] do_el0_svc+0x58/0x13c [ 54.793149][ T5075] el0_svc+0x78/0x1d0 [ 54.793785][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 54.794533][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 54.796462][ T5075] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 54.797843][ T5075] ------------[ cut here ]------------ [ 54.798890][ T5075] WARNING: CPU: 0 PID: 5075 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 54.800614][ T5075] Modules linked in: [ 54.801268][ T5075] CPU: 0 PID: 5075 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.802786][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.804416][ T5075] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.805768][ T5075] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 54.806844][ T5075] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 54.807814][ T5075] sp : ffff8000207b75a0 [ 54.808543][ T5075] x29: ffff8000207b77e0 x28: ffff7000040f6ecc x27: 1fffe0001975e8fd [ 54.809955][ T5075] x26: ffff0000c815f000 x25: 00000000fffffff4 x24: ffff0000cbaf47e8 [ 54.811369][ T5075] x23: ffff0000d210db58 x22: ffff0000d210db00 x21: ffff0000d55b0000 [ 54.812743][ T5075] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 54.814154][ T5075] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 54.815520][ T5075] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 54.816815][ T5075] x11: 0000000000000000 x10: 0000000000000000 x9 : f41faf70cf4a4500 [ 54.818160][ T5075] x8 : f41faf70cf4a4500 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.819502][ T5075] x5 : ffff8000207b6eb8 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 54.820825][ T5075] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.822162][ T5075] Call trace: [ 54.822691][ T5075] btrfs_commit_transaction+0x1ddc/0x3078 [ 54.823715][ T5075] btrfs_sync_fs+0x628/0xb24 [ 54.824485][ T5075] sync_filesystem+0x1a0/0x218 [ 54.825517][ T5075] btrfs_remount+0x198/0x12b0 [ 54.826276][ T5075] legacy_reconfigure+0xf8/0x110 [ 54.827120][ T5075] reconfigure_super+0x1d4/0x6f4 [ 54.827945][ T5075] path_mount+0xc88/0x1008 [ 54.828636][ T5075] __arm64_sys_mount+0x514/0x5f0 [ 54.829455][ T5075] invoke_syscall+0x98/0x2b0 [ 54.830213][ T5075] el0_svc_common+0x138/0x258 [ 54.830913][ T5075] do_el0_svc+0x58/0x13c [ 54.831618][ T5075] el0_svc+0x78/0x1d0 [ 54.832389][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 54.833317][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 54.834061][ T5075] irq event stamp: 78878 [ 54.834739][ T5075] hardirqs last enabled at (78877): [] __up_console_sem+0xb4/0xfc [ 54.836282][ T5075] hardirqs last disabled at (78878): [] el1_dbg+0x24/0x80 [ 54.837721][ T5075] softirqs last enabled at (78848): [] handle_softirqs+0xa40/0xbe4 [ 54.839267][ T5075] softirqs last disabled at (78833): [] __irq_exit_rcu+0x240/0x43c [ 54.840800][ T5075] ---[ end trace 37e6f49526f84ab3 ]--- [ 54.842574][ T5075] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 54.844183][ T5075] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 55.015649][ T5097] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5097) [ 55.039883][ T5097] FAULT_INJECTION: forcing a failure. [ 55.039883][ T5097] name failslab, interval 1, probability 0, space 0, times 0 [ 55.042241][ T5097] CPU: 1 PID: 5097 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.043761][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.045421][ T5097] Call trace: [ 55.045929][ T5097] dump_backtrace+0x0/0x458 [ 55.046667][ T5097] show_stack+0x2c/0x3c [ 55.047321][ T5097] __dump_stack+0x30/0x40 [ 55.048103][ T5097] dump_stack_lvl+0xf4/0x15c [ 55.048863][ T5097] dump_stack+0x1c/0x5c [ 55.049554][ T5097] should_fail+0x3bc/0x514 [ 55.050316][ T5097] __should_failslab+0xbc/0x10c [ 55.051076][ T5097] should_failslab+0x10/0x28 [ 55.051857][ T5097] slab_pre_alloc_hook+0x64/0xe8 [ 55.052691][ T5097] kmem_cache_alloc+0x94/0x3d4 [ 55.053452][ T5097] btrfs_alloc_path+0x5c/0x68 [ 55.054147][ T5097] __btrfs_run_delayed_items+0x88/0x46c [ 55.055035][ T5097] btrfs_run_delayed_items+0x24/0x34 [ 55.055884][ T5097] btrfs_commit_transaction+0x7e0/0x3078 [ 55.056796][ T5097] btrfs_sync_fs+0x628/0xb24 [ 55.057579][ T5097] sync_filesystem+0x1a0/0x218 [ 55.058375][ T5097] btrfs_remount+0x198/0x12b0 [ 55.059175][ T5097] legacy_reconfigure+0xf8/0x110 [ 55.060012][ T5097] reconfigure_super+0x1d4/0x6f4 [ 55.060764][ T5097] path_mount+0xc88/0x1008 [ 55.061481][ T5097] __arm64_sys_mount+0x514/0x5f0 [ 55.062288][ T5097] invoke_syscall+0x98/0x2b0 [ 55.062965][ T5097] el0_svc_common+0x138/0x258 [ 55.063704][ T5097] do_el0_svc+0x58/0x13c [ 55.064355][ T5097] el0_svc+0x78/0x1d0 [ 55.065022][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 55.065831][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 55.068910][ T5097] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 55.070389][ T5097] ------------[ cut here ]------------ [ 55.071430][ T5097] WARNING: CPU: 1 PID: 5097 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 55.073126][ T5097] Modules linked in: [ 55.073751][ T5097] CPU: 1 PID: 5097 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.075320][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.077034][ T5097] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.078325][ T5097] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 55.079351][ T5097] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 55.080315][ T5097] sp : ffff8000208075a0 [ 55.080965][ T5097] x29: ffff8000208077e0 x28: ffff700004100ecc x27: 1fffe00019ad0595 [ 55.082256][ T5097] x26: ffff0000c8f24000 x25: 00000000fffffff4 x24: ffff0000cd682ca8 [ 55.083511][ T5097] x23: ffff0000dc6f4058 x22: ffff0000dc6f4000 x21: ffff0000d2d34000 [ 55.084890][ T5097] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 55.086287][ T5097] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 55.087568][ T5097] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 55.088871][ T5097] x11: 0000000000000000 x10: 0000000000000000 x9 : 15cd0ce87239a100 [ 55.090104][ T5097] x8 : 15cd0ce87239a100 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.091396][ T5097] x5 : ffff800020806eb8 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 55.092765][ T5097] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.094078][ T5097] Call trace: [ 55.094618][ T5097] btrfs_commit_transaction+0x1ddc/0x3078 [ 55.095563][ T5097] btrfs_sync_fs+0x628/0xb24 [ 55.096318][ T5097] sync_filesystem+0x1a0/0x218 [ 55.097125][ T5097] btrfs_remount+0x198/0x12b0 [ 55.097942][ T5097] legacy_reconfigure+0xf8/0x110 [ 55.098753][ T5097] reconfigure_super+0x1d4/0x6f4 [ 55.099578][ T5097] path_mount+0xc88/0x1008 [ 55.100337][ T5097] __arm64_sys_mount+0x514/0x5f0 [ 55.101210][ T5097] invoke_syscall+0x98/0x2b0 [ 55.101990][ T5097] el0_svc_common+0x138/0x258 [ 55.102790][ T5097] do_el0_svc+0x58/0x13c [ 55.103500][ T5097] el0_svc+0x78/0x1d0 [ 55.104121][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 55.104963][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 55.105716][ T5097] irq event stamp: 79580 [ 55.106450][ T5097] hardirqs last enabled at (79579): [] __up_console_sem+0xb4/0xfc [ 55.108019][ T5097] hardirqs last disabled at (79580): [] el1_dbg+0x24/0x80 [ 55.109444][ T5097] softirqs last enabled at (79546): [] handle_softirqs+0xa40/0xbe4 [ 55.110888][ T5097] softirqs last disabled at (79485): [] __irq_exit_rcu+0x240/0x43c [ 55.112333][ T5097] ---[ end trace 37e6f49526f84ab4 ]--- [ 55.114006][ T5097] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 55.115592][ T5097] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 55.288948][ T5119] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5119) [ 55.313195][ T5119] FAULT_INJECTION: forcing a failure. [ 55.313195][ T5119] name failslab, interval 1, probability 0, space 0, times 0 [ 55.315488][ T5119] CPU: 0 PID: 5119 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.316921][ T5119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.318519][ T5119] Call trace: [ 55.319034][ T5119] dump_backtrace+0x0/0x458 [ 55.319798][ T5119] show_stack+0x2c/0x3c [ 55.320508][ T5119] __dump_stack+0x30/0x40 [ 55.321230][ T5119] dump_stack_lvl+0xf4/0x15c [ 55.321997][ T5119] dump_stack+0x1c/0x5c [ 55.322653][ T5119] should_fail+0x3bc/0x514 [ 55.323385][ T5119] __should_failslab+0xbc/0x10c [ 55.324216][ T5119] should_failslab+0x10/0x28 [ 55.324916][ T5119] slab_pre_alloc_hook+0x64/0xe8 [ 55.325693][ T5119] kmem_cache_alloc+0x94/0x3d4 [ 55.326503][ T5119] start_transaction+0x4d0/0x13ec [ 55.327350][ T5119] btrfs_attach_transaction_barrier+0x30/0xac [ 55.328312][ T5119] btrfs_sync_fs+0x13c/0xb24 [ 55.329047][ T5119] sync_filesystem+0x1a0/0x218 [ 55.329883][ T5119] btrfs_remount+0x198/0x12b0 [ 55.330680][ T5119] legacy_reconfigure+0xf8/0x110 [ 55.331520][ T5119] reconfigure_super+0x1d4/0x6f4 [ 55.332301][ T5119] path_mount+0xc88/0x1008 [ 55.333005][ T5119] __arm64_sys_mount+0x514/0x5f0 [ 55.333733][ T5119] invoke_syscall+0x98/0x2b0 [ 55.334411][ T5119] el0_svc_common+0x138/0x258 [ 55.335106][ T5119] do_el0_svc+0x58/0x13c [ 55.335846][ T5119] el0_svc+0x78/0x1d0 [ 55.336538][ T5119] el0t_64_sync_handler+0xcc/0xe4 [ 55.337479][ T5119] el0t_64_sync+0x1a0/0x1a4 [ 55.445996][ T4622] Bluetooth: hci0: command 0x040f tx timeout [ 55.540133][ T5141] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5141) [ 55.571129][ T5141] FAULT_INJECTION: forcing a failure. [ 55.571129][ T5141] name failslab, interval 1, probability 0, space 0, times 0 [ 55.573397][ T5141] CPU: 1 PID: 5141 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.574857][ T5141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.576570][ T5141] Call trace: [ 55.577083][ T5141] dump_backtrace+0x0/0x458 [ 55.577796][ T5141] show_stack+0x2c/0x3c [ 55.578512][ T5141] __dump_stack+0x30/0x40 [ 55.579218][ T5141] dump_stack_lvl+0xf4/0x15c [ 55.579981][ T5141] dump_stack+0x1c/0x5c [ 55.580705][ T5141] should_fail+0x3bc/0x514 [ 55.581411][ T5141] __should_failslab+0xbc/0x10c [ 55.582212][ T5141] should_failslab+0x10/0x28 [ 55.582978][ T5141] slab_pre_alloc_hook+0x64/0xe8 [ 55.583826][ T5141] kmem_cache_alloc+0x94/0x3d4 [ 55.584639][ T5141] start_transaction+0x4d0/0x13ec [ 55.585439][ T5141] btrfs_attach_transaction_barrier+0x30/0xac [ 55.586483][ T5141] btrfs_sync_fs+0x13c/0xb24 [ 55.587241][ T5141] sync_filesystem+0x1a0/0x218 [ 55.587966][ T5141] btrfs_remount+0x198/0x12b0 [ 55.588733][ T5141] legacy_reconfigure+0xf8/0x110 [ 55.589566][ T5141] reconfigure_super+0x1d4/0x6f4 [ 55.590394][ T5141] path_mount+0xc88/0x1008 [ 55.591082][ T5141] __arm64_sys_mount+0x514/0x5f0 [ 55.591909][ T5141] invoke_syscall+0x98/0x2b0 [ 55.592653][ T5141] el0_svc_common+0x138/0x258 [ 55.593398][ T5141] do_el0_svc+0x58/0x13c [ 55.594164][ T5141] el0_svc+0x78/0x1d0 [ 55.594823][ T5141] el0t_64_sync_handler+0xcc/0xe4 [ 55.595650][ T5141] el0t_64_sync+0x1a0/0x1a4 [ 55.793819][ T5163] set_capacity_and_notify: 9 callbacks suppressed [ 55.793828][ T5163] loop0: detected capacity change from 0 to 32768 [ 55.799090][ T5163] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5163) [ 55.803186][ T5163] btrfs_printk: 132 callbacks suppressed [ 55.803194][ T5163] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 55.805583][ T5163] BTRFS info (device loop0): force clearing of disk cache [ 55.807230][ T5163] BTRFS info (device loop0): setting nodatasum [ 55.808276][ T5163] BTRFS info (device loop0): allowing degraded mounts [ 55.809491][ T5163] BTRFS info (device loop0): enabling disk space caching [ 55.810659][ T5163] BTRFS info (device loop0): disk space caching is enabled [ 55.811876][ T5163] BTRFS info (device loop0): has skinny extents [ 55.823760][ T5163] BTRFS info (device loop0): enabling ssd optimizations [ 55.826811][ T5163] BTRFS info (device loop0): clearing free space tree [ 55.828011][ T5163] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 55.829729][ T5163] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 55.833314][ T5163] BTRFS info (device loop0): checking UUID tree [ 55.837144][ T5163] FAULT_INJECTION: forcing a failure. [ 55.837144][ T5163] name failslab, interval 1, probability 0, space 0, times 0 [ 55.839266][ T5163] CPU: 1 PID: 5163 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.840610][ T5163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.842196][ T5163] Call trace: [ 55.842716][ T5163] dump_backtrace+0x0/0x458 [ 55.843398][ T5163] show_stack+0x2c/0x3c [ 55.844049][ T5163] __dump_stack+0x30/0x40 [ 55.844778][ T5163] dump_stack_lvl+0xf4/0x15c [ 55.845490][ T5163] dump_stack+0x1c/0x5c [ 55.846167][ T5163] should_fail+0x3bc/0x514 [ 55.846917][ T5163] __should_failslab+0xbc/0x10c [ 55.847751][ T5163] should_failslab+0x10/0x28 [ 55.848516][ T5163] slab_pre_alloc_hook+0x64/0xe8 [ 55.849349][ T5163] kmem_cache_alloc+0x94/0x3d4 [ 55.850140][ T5163] start_transaction+0x4d0/0x13ec [ 55.850942][ T5163] btrfs_attach_transaction_barrier+0x30/0xac [ 55.851877][ T5163] btrfs_sync_fs+0x13c/0xb24 [ 55.852642][ T5163] sync_filesystem+0x1a0/0x218 [ 55.853443][ T5163] btrfs_remount+0x198/0x12b0 [ 55.854183][ T5163] legacy_reconfigure+0xf8/0x110 [ 55.854916][ T5163] reconfigure_super+0x1d4/0x6f4 [ 55.855619][ T5163] path_mount+0xc88/0x1008 [ 55.856297][ T5163] __arm64_sys_mount+0x514/0x5f0 [ 55.857027][ T5163] invoke_syscall+0x98/0x2b0 [ 55.857741][ T5163] el0_svc_common+0x138/0x258 [ 55.858481][ T5163] do_el0_svc+0x58/0x13c [ 55.859142][ T5163] el0_svc+0x78/0x1d0 [ 55.859797][ T5163] el0t_64_sync_handler+0xcc/0xe4 [ 55.860610][ T5163] el0t_64_sync+0x1a0/0x1a4 [ 56.035032][ T5185] loop0: detected capacity change from 0 to 32768 [ 56.037789][ T5185] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5185) [ 56.041741][ T5185] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 56.043509][ T5185] BTRFS info (device loop0): force clearing of disk cache [ 56.044666][ T5185] BTRFS info (device loop0): setting nodatasum [ 56.045585][ T5185] BTRFS info (device loop0): allowing degraded mounts [ 56.047221][ T5185] BTRFS info (device loop0): enabling disk space caching [ 56.048225][ T5185] BTRFS info (device loop0): disk space caching is enabled [ 56.049459][ T5185] BTRFS info (device loop0): has skinny extents [ 56.063556][ T5185] BTRFS info (device loop0): enabling ssd optimizations [ 56.065215][ T5185] BTRFS info (device loop0): clearing free space tree [ 56.067565][ T5185] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 56.069286][ T5185] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 56.072974][ T5185] BTRFS info (device loop0): checking UUID tree [ 56.076051][ T5185] FAULT_INJECTION: forcing a failure. [ 56.076051][ T5185] name failslab, interval 1, probability 0, space 0, times 0 [ 56.078263][ T5185] CPU: 0 PID: 5185 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.079640][ T5185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.081319][ T5185] Call trace: [ 56.081838][ T5185] dump_backtrace+0x0/0x458 [ 56.082865][ T5185] show_stack+0x2c/0x3c [ 56.083602][ T5185] __dump_stack+0x30/0x40 [ 56.084358][ T5185] dump_stack_lvl+0xf4/0x15c [ 56.085156][ T5185] dump_stack+0x1c/0x5c [ 56.085853][ T5185] should_fail+0x3bc/0x514 [ 56.086562][ T5185] __should_failslab+0xbc/0x10c [ 56.087400][ T5185] should_failslab+0x10/0x28 [ 56.088224][ T5185] slab_pre_alloc_hook+0x64/0xe8 [ 56.089005][ T5185] kmem_cache_alloc+0x94/0x3d4 [ 56.089819][ T5185] start_transaction+0x4d0/0x13ec [ 56.090634][ T5185] btrfs_attach_transaction_barrier+0x30/0xac [ 56.091700][ T5185] btrfs_sync_fs+0x13c/0xb24 [ 56.092478][ T5185] sync_filesystem+0x1a0/0x218 [ 56.093242][ T5185] btrfs_remount+0x198/0x12b0 [ 56.094005][ T5185] legacy_reconfigure+0xf8/0x110 [ 56.094797][ T5185] reconfigure_super+0x1d4/0x6f4 [ 56.095551][ T5185] path_mount+0xc88/0x1008 [ 56.096225][ T5185] __arm64_sys_mount+0x514/0x5f0 [ 56.097010][ T5185] invoke_syscall+0x98/0x2b0 [ 56.097707][ T5185] el0_svc_common+0x138/0x258 [ 56.098443][ T5185] do_el0_svc+0x58/0x13c [ 56.099094][ T5185] el0_svc+0x78/0x1d0 [ 56.099770][ T5185] el0t_64_sync_handler+0xcc/0xe4 [ 56.100590][ T5185] el0t_64_sync+0x1a0/0x1a4 [ 56.275435][ T5207] loop0: detected capacity change from 0 to 32768 [ 56.279914][ T5207] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5207) [ 56.285575][ T5207] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 56.287691][ T5207] BTRFS info (device loop0): force clearing of disk cache [ 56.288826][ T5207] BTRFS info (device loop0): setting nodatasum [ 56.289866][ T5207] BTRFS info (device loop0): allowing degraded mounts [ 56.290889][ T5207] BTRFS info (device loop0): enabling disk space caching [ 56.292015][ T5207] BTRFS info (device loop0): disk space caching is enabled [ 56.293161][ T5207] BTRFS info (device loop0): has skinny extents [ 56.303172][ T5207] BTRFS info (device loop0): enabling ssd optimizations [ 56.304889][ T5207] BTRFS info (device loop0): clearing free space tree [ 56.306597][ T5207] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 56.308209][ T5207] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 56.311701][ T5207] BTRFS info (device loop0): checking UUID tree [ 56.314442][ T5207] FAULT_INJECTION: forcing a failure. [ 56.314442][ T5207] name failslab, interval 1, probability 0, space 0, times 0 [ 56.316619][ T5207] CPU: 1 PID: 5207 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.318087][ T5207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.319810][ T5207] Call trace: [ 56.320323][ T5207] dump_backtrace+0x0/0x458 [ 56.321044][ T5207] show_stack+0x2c/0x3c [ 56.321769][ T5207] __dump_stack+0x30/0x40 [ 56.322465][ T5207] dump_stack_lvl+0xf4/0x15c [ 56.323240][ T5207] dump_stack+0x1c/0x5c [ 56.323931][ T5207] should_fail+0x3bc/0x514 [ 56.324602][ T5207] __should_failslab+0xbc/0x10c [ 56.325439][ T5207] should_failslab+0x10/0x28 [ 56.326218][ T5207] slab_pre_alloc_hook+0x64/0xe8 [ 56.327024][ T5207] kmem_cache_alloc+0x94/0x3d4 [ 56.327785][ T5207] btrfs_alloc_path+0x5c/0x68 [ 56.328532][ T5207] __btrfs_run_delayed_items+0x88/0x46c [ 56.329450][ T5207] btrfs_run_delayed_items+0x24/0x34 [ 56.330346][ T5207] btrfs_commit_transaction+0x7e0/0x3078 [ 56.331253][ T5207] btrfs_sync_fs+0x628/0xb24 [ 56.332009][ T5207] sync_filesystem+0x1a0/0x218 [ 56.332768][ T5207] btrfs_remount+0x198/0x12b0 [ 56.333551][ T5207] legacy_reconfigure+0xf8/0x110 [ 56.334360][ T5207] reconfigure_super+0x1d4/0x6f4 [ 56.335144][ T5207] path_mount+0xc88/0x1008 [ 56.335850][ T5207] __arm64_sys_mount+0x514/0x5f0 [ 56.336648][ T5207] invoke_syscall+0x98/0x2b0 [ 56.337378][ T5207] el0_svc_common+0x138/0x258 [ 56.338135][ T5207] do_el0_svc+0x58/0x13c [ 56.338787][ T5207] el0_svc+0x78/0x1d0 [ 56.339403][ T5207] el0t_64_sync_handler+0xcc/0xe4 [ 56.340209][ T5207] el0t_64_sync+0x1a0/0x1a4 [ 56.341729][ T5207] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 56.343050][ T5207] ------------[ cut here ]------------ [ 56.344024][ T5207] WARNING: CPU: 1 PID: 5207 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 56.345732][ T5207] Modules linked in: [ 56.346421][ T5207] CPU: 1 PID: 5207 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.347913][ T5207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.349595][ T5207] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.350865][ T5207] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 56.351865][ T5207] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 56.352978][ T5207] sp : ffff8000212375a0 [ 56.353645][ T5207] x29: ffff8000212377e0 x28: ffff700004246ecc x27: 1fffe0001991e595 [ 56.354865][ T5207] x26: ffff0000d9f9d000 x25: 00000000fffffff4 x24: ffff0000cc8f2ca8 [ 56.356220][ T5207] x23: ffff0000d2105478 x22: ffff0000d2105420 x21: ffff0000d42dc000 [ 56.357564][ T5207] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 56.358908][ T5207] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 56.360170][ T5207] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 56.361542][ T5207] x11: 0000000000000000 x10: 0000000000000000 x9 : f259e3651ad3eb00 [ 56.362972][ T5207] x8 : f259e3651ad3eb00 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.364258][ T5207] x5 : ffff800021236eb8 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 56.365641][ T5207] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.366967][ T5207] Call trace: [ 56.367484][ T5207] btrfs_commit_transaction+0x1ddc/0x3078 [ 56.368345][ T5207] btrfs_sync_fs+0x628/0xb24 [ 56.369131][ T5207] sync_filesystem+0x1a0/0x218 [ 56.369935][ T5207] btrfs_remount+0x198/0x12b0 [ 56.370694][ T5207] legacy_reconfigure+0xf8/0x110 [ 56.371518][ T5207] reconfigure_super+0x1d4/0x6f4 [ 56.372327][ T5207] path_mount+0xc88/0x1008 [ 56.373093][ T5207] __arm64_sys_mount+0x514/0x5f0 [ 56.373867][ T5207] invoke_syscall+0x98/0x2b0 [ 56.374666][ T5207] el0_svc_common+0x138/0x258 [ 56.375418][ T5207] do_el0_svc+0x58/0x13c [ 56.376128][ T5207] el0_svc+0x78/0x1d0 [ 56.376829][ T5207] el0t_64_sync_handler+0xcc/0xe4 [ 56.377698][ T5207] el0t_64_sync+0x1a0/0x1a4 [ 56.378530][ T5207] irq event stamp: 79112 [ 56.379276][ T5207] hardirqs last enabled at (79111): [] __up_console_sem+0xb4/0xfc [ 56.380813][ T5207] hardirqs last disabled at (79112): [] el1_dbg+0x24/0x80 [ 56.382282][ T5207] softirqs last enabled at (79082): [] handle_softirqs+0xa40/0xbe4 [ 56.383904][ T5207] softirqs last disabled at (79037): [] __irq_exit_rcu+0x240/0x43c [ 56.385551][ T5207] ---[ end trace 37e6f49526f84ab5 ]--- [ 56.387555][ T5207] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 56.389195][ T5207] BTRFS info (device loop0): forced readonly [ 56.390389][ T5207] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 56.581702][ T5229] loop0: detected capacity change from 0 to 32768 [ 56.584297][ T5229] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5229) [ 56.588027][ T5229] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 56.589598][ T5229] BTRFS info (device loop0): force clearing of disk cache [ 56.590903][ T5229] BTRFS info (device loop0): setting nodatasum [ 56.591829][ T5229] BTRFS info (device loop0): allowing degraded mounts [ 56.593011][ T5229] BTRFS info (device loop0): enabling disk space caching [ 56.594033][ T5229] BTRFS info (device loop0): disk space caching is enabled [ 56.595301][ T5229] BTRFS info (device loop0): has skinny extents [ 56.604224][ T5229] BTRFS info (device loop0): enabling ssd optimizations [ 56.606372][ T5229] BTRFS info (device loop0): clearing free space tree [ 56.607593][ T5229] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 56.609259][ T5229] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 56.612657][ T5229] BTRFS info (device loop0): checking UUID tree [ 56.616776][ T5229] FAULT_INJECTION: forcing a failure. [ 56.616776][ T5229] name failslab, interval 1, probability 0, space 0, times 0 [ 56.618869][ T5229] CPU: 1 PID: 5229 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.620273][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.621831][ T5229] Call trace: [ 56.622355][ T5229] dump_backtrace+0x0/0x458 [ 56.623076][ T5229] show_stack+0x2c/0x3c [ 56.623761][ T5229] __dump_stack+0x30/0x40 [ 56.624441][ T5229] dump_stack_lvl+0xf4/0x15c [ 56.625163][ T5229] dump_stack+0x1c/0x5c [ 56.625816][ T5229] should_fail+0x3bc/0x514 [ 56.626509][ T5229] __should_failslab+0xbc/0x10c [ 56.627268][ T5229] should_failslab+0x10/0x28 [ 56.627988][ T5229] slab_pre_alloc_hook+0x64/0xe8 [ 56.628804][ T5229] kmem_cache_alloc+0x94/0x3d4 [ 56.629606][ T5229] start_transaction+0x4d0/0x13ec [ 56.630374][ T5229] btrfs_attach_transaction_barrier+0x30/0xac [ 56.631354][ T5229] btrfs_sync_fs+0x13c/0xb24 [ 56.632048][ T5229] sync_filesystem+0x1a0/0x218 [ 56.632810][ T5229] btrfs_remount+0x198/0x12b0 [ 56.633619][ T5229] legacy_reconfigure+0xf8/0x110 [ 56.634425][ T5229] reconfigure_super+0x1d4/0x6f4 [ 56.635278][ T5229] path_mount+0xc88/0x1008 [ 56.636002][ T5229] __arm64_sys_mount+0x514/0x5f0 [ 56.636862][ T5229] invoke_syscall+0x98/0x2b0 [ 56.637598][ T5229] el0_svc_common+0x138/0x258 [ 56.638334][ T5229] do_el0_svc+0x58/0x13c [ 56.639061][ T5229] el0_svc+0x78/0x1d0 [ 56.639661][ T5229] el0t_64_sync_handler+0xcc/0xe4 [ 56.640417][ T5229] el0t_64_sync+0x1a0/0x1a4 [ 56.823046][ T5251] loop0: detected capacity change from 0 to 32768 [ 56.825886][ T5251] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5251) [ 56.829330][ T5251] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 56.831056][ T5251] BTRFS info (device loop0): force clearing of disk cache [ 56.832319][ T5251] BTRFS info (device loop0): setting nodatasum [ 56.833456][ T5251] BTRFS info (device loop0): allowing degraded mounts [ 56.834786][ T5251] BTRFS info (device loop0): enabling disk space caching [ 56.836279][ T5251] BTRFS info (device loop0): disk space caching is enabled [ 56.837586][ T5251] BTRFS info (device loop0): has skinny extents [ 56.845401][ T5251] BTRFS info (device loop0): enabling ssd optimizations [ 56.848135][ T5251] BTRFS info (device loop0): clearing free space tree [ 56.849425][ T5251] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 56.851086][ T5251] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 56.854776][ T5251] BTRFS info (device loop0): checking UUID tree [ 56.857689][ T5251] FAULT_INJECTION: forcing a failure. [ 56.857689][ T5251] name failslab, interval 1, probability 0, space 0, times 0 [ 56.859945][ T5251] CPU: 0 PID: 5251 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.861257][ T5251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.862797][ T5251] Call trace: [ 56.863303][ T5251] dump_backtrace+0x0/0x458 [ 56.864041][ T5251] show_stack+0x2c/0x3c [ 56.864730][ T5251] __dump_stack+0x30/0x40 [ 56.865352][ T5251] dump_stack_lvl+0xf4/0x15c [ 56.866051][ T5251] dump_stack+0x1c/0x5c [ 56.866664][ T5251] should_fail+0x3bc/0x514 [ 56.867307][ T5251] __should_failslab+0xbc/0x10c [ 56.868078][ T5251] should_failslab+0x10/0x28 [ 56.868835][ T5251] slab_pre_alloc_hook+0x64/0xe8 [ 56.869600][ T5251] kmem_cache_alloc+0x94/0x3d4 [ 56.870341][ T5251] start_transaction+0x4d0/0x13ec [ 56.871124][ T5251] btrfs_attach_transaction_barrier+0x30/0xac [ 56.872082][ T5251] btrfs_sync_fs+0x13c/0xb24 [ 56.872768][ T5251] sync_filesystem+0x1a0/0x218 [ 56.873597][ T5251] btrfs_remount+0x198/0x12b0 [ 56.874386][ T5251] legacy_reconfigure+0xf8/0x110 [ 56.875245][ T5251] reconfigure_super+0x1d4/0x6f4 [ 56.876114][ T5251] path_mount+0xc88/0x1008 [ 56.876851][ T5251] __arm64_sys_mount+0x514/0x5f0 [ 56.877746][ T5251] invoke_syscall+0x98/0x2b0 [ 56.878466][ T5251] el0_svc_common+0x138/0x258 [ 56.879259][ T5251] do_el0_svc+0x58/0x13c [ 56.879951][ T5251] el0_svc+0x78/0x1d0 [ 56.880544][ T5251] el0t_64_sync_handler+0xcc/0xe4 [ 56.881314][ T5251] el0t_64_sync+0x1a0/0x1a4 [ 57.062811][ T5273] loop0: detected capacity change from 0 to 32768 [ 57.066726][ T5273] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5273) [ 57.070132][ T5273] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 57.071617][ T5273] BTRFS info (device loop0): force clearing of disk cache [ 57.072806][ T5273] BTRFS info (device loop0): setting nodatasum [ 57.073908][ T5273] BTRFS info (device loop0): allowing degraded mounts [ 57.075060][ T5273] BTRFS info (device loop0): enabling disk space caching [ 57.076296][ T5273] BTRFS info (device loop0): disk space caching is enabled [ 57.077710][ T5273] BTRFS info (device loop0): has skinny extents [ 57.086938][ T5273] BTRFS info (device loop0): enabling ssd optimizations [ 57.088688][ T5273] BTRFS info (device loop0): clearing free space tree [ 57.089891][ T5273] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 57.091539][ T5273] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 57.095168][ T5273] BTRFS info (device loop0): checking UUID tree [ 57.098229][ T5273] FAULT_INJECTION: forcing a failure. [ 57.098229][ T5273] name failslab, interval 1, probability 0, space 0, times 0 [ 57.100492][ T5273] CPU: 1 PID: 5273 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.101907][ T5273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.103596][ T5273] Call trace: [ 57.104169][ T5273] dump_backtrace+0x0/0x458 [ 57.104921][ T5273] show_stack+0x2c/0x3c [ 57.105616][ T5273] __dump_stack+0x30/0x40 [ 57.106335][ T5273] dump_stack_lvl+0xf4/0x15c [ 57.107113][ T5273] dump_stack+0x1c/0x5c [ 57.107803][ T5273] should_fail+0x3bc/0x514 [ 57.108513][ T5273] __should_failslab+0xbc/0x10c [ 57.109331][ T5273] should_failslab+0x10/0x28 [ 57.110043][ T5273] slab_pre_alloc_hook+0x64/0xe8 [ 57.110858][ T5273] kmem_cache_alloc+0x94/0x3d4 [ 57.111665][ T5273] start_transaction+0x4d0/0x13ec [ 57.112555][ T5273] btrfs_attach_transaction_barrier+0x30/0xac [ 57.113537][ T5273] btrfs_sync_fs+0x13c/0xb24 [ 57.114252][ T5273] sync_filesystem+0x1a0/0x218 [ 57.115070][ T5273] btrfs_remount+0x198/0x12b0 [ 57.115944][ T5273] legacy_reconfigure+0xf8/0x110 [ 57.116811][ T5273] reconfigure_super+0x1d4/0x6f4 [ 57.117649][ T5273] path_mount+0xc88/0x1008 [ 57.118376][ T5273] __arm64_sys_mount+0x514/0x5f0 [ 57.119209][ T5273] invoke_syscall+0x98/0x2b0 [ 57.119981][ T5273] el0_svc_common+0x138/0x258 [ 57.120762][ T5273] do_el0_svc+0x58/0x13c [ 57.121472][ T5273] el0_svc+0x78/0x1d0 [ 57.122141][ T5273] el0t_64_sync_handler+0xcc/0xe4 [ 57.122910][ T5273] el0t_64_sync+0x1a0/0x1a4 [ 57.295117][ T5295] loop0: detected capacity change from 0 to 32768 [ 57.297952][ T5295] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5295) [ 57.301347][ T5295] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 57.302951][ T5295] BTRFS info (device loop0): force clearing of disk cache [ 57.304231][ T5295] BTRFS info (device loop0): setting nodatasum [ 57.305169][ T5295] BTRFS info (device loop0): allowing degraded mounts [ 57.306470][ T5295] BTRFS info (device loop0): enabling disk space caching [ 57.307655][ T5295] BTRFS info (device loop0): disk space caching is enabled [ 57.308894][ T5295] BTRFS info (device loop0): has skinny extents [ 57.320910][ T5295] BTRFS info (device loop0): enabling ssd optimizations [ 57.322768][ T5295] BTRFS info (device loop0): clearing free space tree [ 57.323951][ T5295] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 57.325585][ T5295] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 57.330253][ T5295] BTRFS info (device loop0): checking UUID tree [ 57.333031][ T5295] FAULT_INJECTION: forcing a failure. [ 57.333031][ T5295] name failslab, interval 1, probability 0, space 0, times 0 [ 57.335228][ T5295] CPU: 1 PID: 5295 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.336600][ T5295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.338282][ T5295] Call trace: [ 57.338816][ T5295] dump_backtrace+0x0/0x458 [ 57.339585][ T5295] show_stack+0x2c/0x3c [ 57.340264][ T5295] __dump_stack+0x30/0x40 [ 57.340904][ T5295] dump_stack_lvl+0xf4/0x15c [ 57.341662][ T5295] dump_stack+0x1c/0x5c [ 57.342312][ T5295] should_fail+0x3bc/0x514 [ 57.343046][ T5295] __should_failslab+0xbc/0x10c [ 57.343774][ T5295] should_failslab+0x10/0x28 [ 57.344489][ T5295] slab_pre_alloc_hook+0x64/0xe8 [ 57.345321][ T5295] kmem_cache_alloc+0x94/0x3d4 [ 57.346142][ T5295] start_transaction+0x4d0/0x13ec [ 57.346945][ T5295] btrfs_attach_transaction_barrier+0x30/0xac [ 57.347928][ T5295] btrfs_sync_fs+0x13c/0xb24 [ 57.348665][ T5295] sync_filesystem+0x1a0/0x218 [ 57.349383][ T5295] btrfs_remount+0x198/0x12b0 [ 57.350122][ T5295] legacy_reconfigure+0xf8/0x110 [ 57.350906][ T5295] reconfigure_super+0x1d4/0x6f4 [ 57.351740][ T5295] path_mount+0xc88/0x1008 [ 57.352499][ T5295] __arm64_sys_mount+0x514/0x5f0 [ 57.353271][ T5295] invoke_syscall+0x98/0x2b0 [ 57.354017][ T5295] el0_svc_common+0x138/0x258 [ 57.354795][ T5295] do_el0_svc+0x58/0x13c [ 57.355521][ T5295] el0_svc+0x78/0x1d0 [ 57.356218][ T5295] el0t_64_sync_handler+0xcc/0xe4 [ 57.357061][ T5295] el0t_64_sync+0x1a0/0x1a4 [ 57.525727][ T4786] Bluetooth: hci0: command 0x0419 tx timeout [ 57.536911][ T5317] loop0: detected capacity change from 0 to 32768 [ 57.539093][ T5317] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5317) [ 57.542164][ T5317] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 57.543768][ T5317] BTRFS info (device loop0): force clearing of disk cache [ 57.544889][ T5317] BTRFS info (device loop0): setting nodatasum [ 57.545918][ T5317] BTRFS info (device loop0): allowing degraded mounts [ 57.547117][ T5317] BTRFS info (device loop0): enabling disk space caching [ 57.548279][ T5317] BTRFS info (device loop0): disk space caching is enabled [ 57.549475][ T5317] BTRFS info (device loop0): has skinny extents [ 57.557436][ T5317] BTRFS info (device loop0): enabling ssd optimizations [ 57.558966][ T5317] BTRFS info (device loop0): clearing free space tree [ 57.560213][ T5317] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 57.561929][ T5317] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 57.565716][ T5317] BTRFS info (device loop0): checking UUID tree [ 57.568174][ T5317] FAULT_INJECTION: forcing a failure. [ 57.568174][ T5317] name failslab, interval 1, probability 0, space 0, times 0 [ 57.570056][ T5317] CPU: 0 PID: 5317 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.571358][ T5317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.572848][ T5317] Call trace: [ 57.573395][ T5317] dump_backtrace+0x0/0x458 [ 57.574130][ T5317] show_stack+0x2c/0x3c [ 57.574796][ T5317] __dump_stack+0x30/0x40 [ 57.575508][ T5317] dump_stack_lvl+0xf4/0x15c [ 57.576270][ T5317] dump_stack+0x1c/0x5c [ 57.576979][ T5317] should_fail+0x3bc/0x514 [ 57.577784][ T5317] __should_failslab+0xbc/0x10c [ 57.578629][ T5317] should_failslab+0x10/0x28 [ 57.579392][ T5317] slab_pre_alloc_hook+0x64/0xe8 [ 57.580235][ T5317] kmem_cache_alloc+0x94/0x3d4 [ 57.581108][ T5317] start_transaction+0x4d0/0x13ec [ 57.581950][ T5317] btrfs_attach_transaction_barrier+0x30/0xac [ 57.583018][ T5317] btrfs_sync_fs+0x13c/0xb24 [ 57.583799][ T5317] sync_filesystem+0x1a0/0x218 [ 57.584627][ T5317] btrfs_remount+0x198/0x12b0 [ 57.585389][ T5317] legacy_reconfigure+0xf8/0x110 [ 57.586181][ T5317] reconfigure_super+0x1d4/0x6f4 [ 57.586970][ T5317] path_mount+0xc88/0x1008 [ 57.587677][ T5317] __arm64_sys_mount+0x514/0x5f0 [ 57.588516][ T5317] invoke_syscall+0x98/0x2b0 [ 57.589233][ T5317] el0_svc_common+0x138/0x258 [ 57.590017][ T5317] do_el0_svc+0x58/0x13c [ 57.590680][ T5317] el0_svc+0x78/0x1d0 [ 57.591319][ T5317] el0t_64_sync_handler+0xcc/0xe4 [ 57.592075][ T5317] el0t_64_sync+0x1a0/0x1a4 [ 57.771582][ T5339] loop0: detected capacity change from 0 to 32768 [ 57.774117][ T5339] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5339) [ 57.777591][ T5339] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 57.779220][ T5339] BTRFS info (device loop0): force clearing of disk cache [ 57.780481][ T5339] BTRFS info (device loop0): setting nodatasum [ 57.796350][ T5339] FAULT_INJECTION: forcing a failure. [ 57.796350][ T5339] name failslab, interval 1, probability 0, space 0, times 0 [ 57.798642][ T5339] CPU: 0 PID: 5339 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.800178][ T5339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.801914][ T5339] Call trace: [ 57.802468][ T5339] dump_backtrace+0x0/0x458 [ 57.803207][ T5339] show_stack+0x2c/0x3c [ 57.803933][ T5339] __dump_stack+0x30/0x40 [ 57.804670][ T5339] dump_stack_lvl+0xf4/0x15c [ 57.805434][ T5339] dump_stack+0x1c/0x5c [ 57.806155][ T5339] should_fail+0x3bc/0x514 [ 57.806898][ T5339] __should_failslab+0xbc/0x10c [ 57.807668][ T5339] should_failslab+0x10/0x28 [ 57.808422][ T5339] slab_pre_alloc_hook+0x64/0xe8 [ 57.809211][ T5339] kmem_cache_alloc+0x94/0x3d4 [ 57.809963][ T5339] btrfs_alloc_path+0x5c/0x68 [ 57.810735][ T5339] __btrfs_run_delayed_items+0x88/0x46c [ 57.811675][ T5339] btrfs_run_delayed_items+0x24/0x34 [ 57.812570][ T5339] btrfs_commit_transaction+0x7e0/0x3078 [ 57.813503][ T5339] btrfs_sync_fs+0x628/0xb24 [ 57.814275][ T5339] sync_filesystem+0x1a0/0x218 [ 57.815101][ T5339] btrfs_remount+0x198/0x12b0 [ 57.815870][ T5339] legacy_reconfigure+0xf8/0x110 [ 57.816692][ T5339] reconfigure_super+0x1d4/0x6f4 [ 57.817512][ T5339] path_mount+0xc88/0x1008 [ 57.818235][ T5339] __arm64_sys_mount+0x514/0x5f0 [ 57.819101][ T5339] invoke_syscall+0x98/0x2b0 [ 57.819847][ T5339] el0_svc_common+0x138/0x258 [ 57.820587][ T5339] do_el0_svc+0x58/0x13c [ 57.821334][ T5339] el0_svc+0x78/0x1d0 [ 57.822012][ T5339] el0t_64_sync_handler+0xcc/0xe4 [ 57.822812][ T5339] el0t_64_sync+0x1a0/0x1a4 [ 57.825540][ T5339] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 57.827143][ T5339] ------------[ cut here ]------------ [ 57.828129][ T5339] WARNING: CPU: 0 PID: 5339 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 57.829872][ T5339] Modules linked in: [ 57.830509][ T5339] CPU: 0 PID: 5339 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.832064][ T5339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.833744][ T5339] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.835134][ T5339] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 57.836098][ T5339] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 57.837155][ T5339] sp : ffff8000217875a0 [ 57.837821][ T5339] x29: ffff8000217877e0 x28: ffff7000042f0ecc x27: 1fffe0001b172c65 [ 57.839043][ T5339] x26: ffff0000c66a2000 x25: 00000000fffffff4 x24: ffff0000d8b96328 [ 57.840375][ T5339] x23: ffff0000d210c738 x22: ffff0000d210c6e0 x21: ffff0000c8918000 [ 57.841699][ T5339] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 57.843040][ T5339] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 57.844390][ T5339] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 57.845775][ T5339] x11: 0000000000000000 x10: 0000000000000000 x9 : b4813c314e3d5800 [ 57.847071][ T5339] x8 : b4813c314e3d5800 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.848401][ T5339] x5 : ffff800021786eb8 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 57.849753][ T5339] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.851120][ T5339] Call trace: [ 57.851685][ T5339] btrfs_commit_transaction+0x1ddc/0x3078 [ 57.852650][ T5339] btrfs_sync_fs+0x628/0xb24 [ 57.853337][ T5339] sync_filesystem+0x1a0/0x218 [ 57.854104][ T5339] btrfs_remount+0x198/0x12b0 [ 57.854934][ T5339] legacy_reconfigure+0xf8/0x110 [ 57.855739][ T5339] reconfigure_super+0x1d4/0x6f4 [ 57.856561][ T5339] path_mount+0xc88/0x1008 [ 57.857267][ T5339] __arm64_sys_mount+0x514/0x5f0 [ 57.858155][ T5339] invoke_syscall+0x98/0x2b0 [ 57.858902][ T5339] el0_svc_common+0x138/0x258 [ 57.859705][ T5339] do_el0_svc+0x58/0x13c [ 57.860395][ T5339] el0_svc+0x78/0x1d0 [ 57.861069][ T5339] el0t_64_sync_handler+0xcc/0xe4 [ 57.861853][ T5339] el0t_64_sync+0x1a0/0x1a4 [ 57.862578][ T5339] irq event stamp: 79064 [ 57.863255][ T5339] hardirqs last enabled at (79063): [] __up_console_sem+0xb4/0xfc [ 57.864894][ T5339] hardirqs last disabled at (79064): [] el1_dbg+0x24/0x80 [ 57.866226][ T5339] softirqs last enabled at (79044): [] handle_softirqs+0xa40/0xbe4 [ 57.867888][ T5339] softirqs last disabled at (78997): [] __irq_exit_rcu+0x240/0x43c [ 57.869401][ T5339] ---[ end trace 37e6f49526f84ab6 ]--- [ 57.871008][ T5339] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 57.872657][ T5339] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 58.056295][ T5361] loop0: detected capacity change from 0 to 32768 [ 58.058635][ T5361] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5361) [ 58.079992][ T5361] FAULT_INJECTION: forcing a failure. [ 58.079992][ T5361] name failslab, interval 1, probability 0, space 0, times 0 [ 58.082111][ T5361] CPU: 1 PID: 5361 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.083540][ T5361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.085325][ T5361] Call trace: [ 58.085845][ T5361] dump_backtrace+0x0/0x458 [ 58.086558][ T5361] show_stack+0x2c/0x3c [ 58.087262][ T5361] __dump_stack+0x30/0x40 [ 58.087963][ T5361] dump_stack_lvl+0xf4/0x15c [ 58.088731][ T5361] dump_stack+0x1c/0x5c [ 58.089403][ T5361] should_fail+0x3bc/0x514 [ 58.090127][ T5361] __should_failslab+0xbc/0x10c [ 58.090967][ T5361] should_failslab+0x10/0x28 [ 58.091700][ T5361] slab_pre_alloc_hook+0x64/0xe8 [ 58.092514][ T5361] kmem_cache_alloc+0x94/0x3d4 [ 58.093302][ T5361] btrfs_alloc_path+0x5c/0x68 [ 58.094088][ T5361] __btrfs_run_delayed_items+0x88/0x46c [ 58.094984][ T5361] btrfs_run_delayed_items+0x24/0x34 [ 58.095902][ T5361] btrfs_commit_transaction+0x7e0/0x3078 [ 58.096820][ T5361] btrfs_sync_fs+0x628/0xb24 [ 58.097667][ T5361] sync_filesystem+0x1a0/0x218 [ 58.098450][ T5361] btrfs_remount+0x198/0x12b0 [ 58.099220][ T5361] legacy_reconfigure+0xf8/0x110 [ 58.100036][ T5361] reconfigure_super+0x1d4/0x6f4 [ 58.100875][ T5361] path_mount+0xc88/0x1008 [ 58.101710][ T5361] __arm64_sys_mount+0x514/0x5f0 [ 58.102551][ T5361] invoke_syscall+0x98/0x2b0 [ 58.103310][ T5361] el0_svc_common+0x138/0x258 [ 58.104078][ T5361] do_el0_svc+0x58/0x13c [ 58.104864][ T5361] el0_svc+0x78/0x1d0 [ 58.105603][ T5361] el0t_64_sync_handler+0xcc/0xe4 [ 58.106454][ T5361] el0t_64_sync+0x1a0/0x1a4 [ 58.107582][ T5361] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 58.109001][ T5361] ------------[ cut here ]------------ [ 58.110021][ T5361] WARNING: CPU: 1 PID: 5361 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 58.111692][ T5361] Modules linked in: [ 58.112330][ T5361] CPU: 1 PID: 5361 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.114041][ T5361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.115705][ T5361] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.117097][ T5361] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 58.118005][ T5361] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 58.118888][ T5361] sp : ffff8000219c75a0 [ 58.119551][ T5361] x29: ffff8000219c77e0 x28: ffff700004338ecc x27: 1fffe0001b17222d [ 58.120856][ T5361] x26: ffff0000d5f4e000 x25: 00000000fffffff4 x24: ffff0000d8b91168 [ 58.122169][ T5361] x23: ffff0000de519528 x22: ffff0000de5194d0 x21: ffff0000daa44000 [ 58.123515][ T5361] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 58.124913][ T5361] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 58.126275][ T5361] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 58.127652][ T5361] x11: 0000000000000000 x10: 0000000000000000 x9 : 252972ba41cfa800 [ 58.129043][ T5361] x8 : 252972ba41cfa800 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.130373][ T5361] x5 : ffff8000219c6eb8 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 58.131757][ T5361] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.133052][ T5361] Call trace: [ 58.133616][ T5361] btrfs_commit_transaction+0x1ddc/0x3078 [ 58.134536][ T5361] btrfs_sync_fs+0x628/0xb24 [ 58.135316][ T5361] sync_filesystem+0x1a0/0x218 [ 58.136181][ T5361] btrfs_remount+0x198/0x12b0 [ 58.136968][ T5361] legacy_reconfigure+0xf8/0x110 [ 58.137776][ T5361] reconfigure_super+0x1d4/0x6f4 [ 58.138610][ T5361] path_mount+0xc88/0x1008 [ 58.139330][ T5361] __arm64_sys_mount+0x514/0x5f0 [ 58.140095][ T5361] invoke_syscall+0x98/0x2b0 [ 58.140774][ T5361] el0_svc_common+0x138/0x258 [ 58.141534][ T5361] do_el0_svc+0x58/0x13c [ 58.142223][ T5361] el0_svc+0x78/0x1d0 [ 58.142870][ T5361] el0t_64_sync_handler+0xcc/0xe4 [ 58.143680][ T5361] el0t_64_sync+0x1a0/0x1a4 [ 58.144429][ T5361] irq event stamp: 79446 [ 58.145113][ T5361] hardirqs last enabled at (79445): [] __up_console_sem+0xb4/0xfc [ 58.146682][ T5361] hardirqs last disabled at (79446): [] el1_dbg+0x24/0x80 [ 58.148221][ T5361] softirqs last enabled at (79412): [] handle_softirqs+0xa40/0xbe4 [ 58.149693][ T5361] softirqs last disabled at (79365): [] __irq_exit_rcu+0x240/0x43c [ 58.151199][ T5361] ---[ end trace 37e6f49526f84ab7 ]--- [ 58.152293][ T5361] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 58.153985][ T5361] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 58.345322][ T5383] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5383) [ 58.373032][ T5383] FAULT_INJECTION: forcing a failure. [ 58.373032][ T5383] name failslab, interval 1, probability 0, space 0, times 0 [ 58.375227][ T5383] CPU: 0 PID: 5383 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.376868][ T5383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.378399][ T5383] Call trace: [ 58.378939][ T5383] dump_backtrace+0x0/0x458 [ 58.379692][ T5383] show_stack+0x2c/0x3c [ 58.380355][ T5383] __dump_stack+0x30/0x40 [ 58.381105][ T5383] dump_stack_lvl+0xf4/0x15c [ 58.381958][ T5383] dump_stack+0x1c/0x5c [ 58.382709][ T5383] should_fail+0x3bc/0x514 [ 58.383435][ T5383] __should_failslab+0xbc/0x10c [ 58.384271][ T5383] should_failslab+0x10/0x28 [ 58.385161][ T5383] slab_pre_alloc_hook+0x64/0xe8 [ 58.386000][ T5383] kmem_cache_alloc+0x94/0x3d4 [ 58.386788][ T5383] start_transaction+0x4d0/0x13ec [ 58.387510][ T5383] btrfs_attach_transaction_barrier+0x30/0xac [ 58.388429][ T5383] btrfs_sync_fs+0x13c/0xb24 [ 58.389110][ T5383] sync_filesystem+0x1a0/0x218 [ 58.389773][ T5383] btrfs_remount+0x198/0x12b0 [ 58.390476][ T5383] legacy_reconfigure+0xf8/0x110 [ 58.391189][ T5383] reconfigure_super+0x1d4/0x6f4 [ 58.391924][ T5383] path_mount+0xc88/0x1008 [ 58.392632][ T5383] __arm64_sys_mount+0x514/0x5f0 [ 58.393326][ T5383] invoke_syscall+0x98/0x2b0 [ 58.393939][ T5383] el0_svc_common+0x138/0x258 [ 58.394627][ T5383] do_el0_svc+0x58/0x13c [ 58.395251][ T5383] el0_svc+0x78/0x1d0 [ 58.395813][ T5383] el0t_64_sync_handler+0xcc/0xe4 [ 58.396673][ T5383] el0t_64_sync+0x1a0/0x1a4 [ 58.563924][ T5405] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5405) [ 58.583209][ T5405] FAULT_INJECTION: forcing a failure. [ 58.583209][ T5405] name failslab, interval 1, probability 0, space 0, times 0 [ 58.585468][ T5405] CPU: 1 PID: 5405 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.586965][ T5405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.588712][ T5405] Call trace: [ 58.589248][ T5405] dump_backtrace+0x0/0x458 [ 58.589976][ T5405] show_stack+0x2c/0x3c [ 58.590660][ T5405] __dump_stack+0x30/0x40 [ 58.591399][ T5405] dump_stack_lvl+0xf4/0x15c [ 58.592222][ T5405] dump_stack+0x1c/0x5c [ 58.592863][ T5405] should_fail+0x3bc/0x514 [ 58.593585][ T5405] __should_failslab+0xbc/0x10c [ 58.594341][ T5405] should_failslab+0x10/0x28 [ 58.595090][ T5405] slab_pre_alloc_hook+0x64/0xe8 [ 58.595923][ T5405] kmem_cache_alloc+0x94/0x3d4 [ 58.596712][ T5405] btrfs_alloc_path+0x5c/0x68 [ 58.597494][ T5405] __btrfs_run_delayed_items+0x88/0x46c [ 58.598432][ T5405] btrfs_run_delayed_items+0x24/0x34 [ 58.599306][ T5405] btrfs_commit_transaction+0x7e0/0x3078 [ 58.600208][ T5405] btrfs_sync_fs+0x628/0xb24 [ 58.600992][ T5405] sync_filesystem+0x1a0/0x218 [ 58.601815][ T5405] btrfs_remount+0x198/0x12b0 [ 58.602587][ T5405] legacy_reconfigure+0xf8/0x110 [ 58.603423][ T5405] reconfigure_super+0x1d4/0x6f4 [ 58.604227][ T5405] path_mount+0xc88/0x1008 [ 58.604991][ T5405] __arm64_sys_mount+0x514/0x5f0 [ 58.605811][ T5405] invoke_syscall+0x98/0x2b0 [ 58.606564][ T5405] el0_svc_common+0x138/0x258 [ 58.607378][ T5405] do_el0_svc+0x58/0x13c [ 58.608116][ T5405] el0_svc+0x78/0x1d0 [ 58.608831][ T5405] el0t_64_sync_handler+0xcc/0xe4 [ 58.609657][ T5405] el0t_64_sync+0x1a0/0x1a4 [ 58.611426][ T5405] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 58.612905][ T5405] ------------[ cut here ]------------ [ 58.613922][ T5405] WARNING: CPU: 1 PID: 5405 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 58.615686][ T5405] Modules linked in: [ 58.616391][ T5405] CPU: 1 PID: 5405 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.617960][ T5405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.619747][ T5405] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.621058][ T5405] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 58.622053][ T5405] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 58.623000][ T5405] sp : ffff800021ae75a0 [ 58.623659][ T5405] x29: ffff800021ae77e0 x28: ffff70000435cecc x27: 1fffe0001b407c65 [ 58.624990][ T5405] x26: ffff0000c15e8000 x25: 00000000fffffff4 x24: ffff0000da03e328 [ 58.626356][ T5405] x23: ffff0000de519948 x22: ffff0000de5198f0 x21: ffff0000da84c000 [ 58.627791][ T5405] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 58.629146][ T5405] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 58.630476][ T5405] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 58.631826][ T5405] x11: 0000000000000000 x10: 0000000000000000 x9 : 63be2d261d01a000 [ 58.633175][ T5405] x8 : 63be2d261d01a000 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.634548][ T5405] x5 : ffff800021ae6eb8 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 58.635877][ T5405] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.637175][ T5405] Call trace: [ 58.637687][ T5405] btrfs_commit_transaction+0x1ddc/0x3078 [ 58.638597][ T5405] btrfs_sync_fs+0x628/0xb24 [ 58.639364][ T5405] sync_filesystem+0x1a0/0x218 [ 58.640137][ T5405] btrfs_remount+0x198/0x12b0 [ 58.640878][ T5405] legacy_reconfigure+0xf8/0x110 [ 58.641724][ T5405] reconfigure_super+0x1d4/0x6f4 [ 58.642523][ T5405] path_mount+0xc88/0x1008 [ 58.643231][ T5405] __arm64_sys_mount+0x514/0x5f0 [ 58.644100][ T5405] invoke_syscall+0x98/0x2b0 [ 58.644907][ T5405] el0_svc_common+0x138/0x258 [ 58.645672][ T5405] do_el0_svc+0x58/0x13c [ 58.646423][ T5405] el0_svc+0x78/0x1d0 [ 58.647050][ T5405] el0t_64_sync_handler+0xcc/0xe4 [ 58.647923][ T5405] el0t_64_sync+0x1a0/0x1a4 [ 58.648734][ T5405] irq event stamp: 79062 [ 58.649425][ T5405] hardirqs last enabled at (79061): [] __up_console_sem+0xb4/0xfc [ 58.650949][ T5405] hardirqs last disabled at (79062): [] el1_dbg+0x24/0x80 [ 58.652385][ T5405] softirqs last enabled at (79028): [] handle_softirqs+0xa40/0xbe4 [ 58.653860][ T5405] softirqs last disabled at (78971): [] __irq_exit_rcu+0x240/0x43c [ 58.655418][ T5405] ---[ end trace 37e6f49526f84ab8 ]--- [ 58.657474][ T5405] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 58.658945][ T5405] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 58.828362][ T5427] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5427) [ 58.844798][ T5427] FAULT_INJECTION: forcing a failure. [ 58.844798][ T5427] name failslab, interval 1, probability 0, space 0, times 0 [ 58.847212][ T5427] CPU: 0 PID: 5427 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.848706][ T5427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.850429][ T5427] Call trace: [ 58.850933][ T5427] dump_backtrace+0x0/0x458 [ 58.851693][ T5427] show_stack+0x2c/0x3c [ 58.852378][ T5427] __dump_stack+0x30/0x40 [ 58.853069][ T5427] dump_stack_lvl+0xf4/0x15c [ 58.853877][ T5427] dump_stack+0x1c/0x5c [ 58.854565][ T5427] should_fail+0x3bc/0x514 [ 58.855301][ T5427] __should_failslab+0xbc/0x10c [ 58.856096][ T5427] should_failslab+0x10/0x28 [ 58.856851][ T5427] slab_pre_alloc_hook+0x64/0xe8 [ 58.857636][ T5427] kmem_cache_alloc+0x94/0x3d4 [ 58.858384][ T5427] getname_flags+0xb8/0x450 [ 58.859117][ T5427] getname+0x28/0x38 [ 58.859735][ T5427] do_sys_openat2+0xdc/0x3f4 [ 58.860469][ T5427] __arm64_sys_openat+0x118/0x14c [ 58.861236][ T5427] invoke_syscall+0x98/0x2b0 [ 58.861935][ T5427] el0_svc_common+0x138/0x258 [ 58.862717][ T5427] do_el0_svc+0x58/0x13c [ 58.863441][ T5427] el0_svc+0x78/0x1d0 [ 58.864115][ T5427] el0t_64_sync_handler+0xcc/0xe4 [ 58.864873][ T5427] el0t_64_sync+0x1a0/0x1a4 [ 59.044259][ T5449] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5449) [ 59.064653][ T5449] FAULT_INJECTION: forcing a failure. [ 59.064653][ T5449] name failslab, interval 1, probability 0, space 0, times 0 [ 59.066929][ T5449] CPU: 0 PID: 5449 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.068516][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.070185][ T5449] Call trace: [ 59.070766][ T5449] dump_backtrace+0x0/0x458 [ 59.071533][ T5449] show_stack+0x2c/0x3c [ 59.072237][ T5449] __dump_stack+0x30/0x40 [ 59.072985][ T5449] dump_stack_lvl+0xf4/0x15c [ 59.073810][ T5449] dump_stack+0x1c/0x5c [ 59.074503][ T5449] should_fail+0x3bc/0x514 [ 59.075227][ T5449] __should_failslab+0xbc/0x10c [ 59.076023][ T5449] should_failslab+0x10/0x28 [ 59.076783][ T5449] slab_pre_alloc_hook+0x64/0xe8 [ 59.077607][ T5449] kmem_cache_alloc+0x94/0x3d4 [ 59.078424][ T5449] btrfs_alloc_path+0x5c/0x68 [ 59.079213][ T5449] __btrfs_run_delayed_items+0x88/0x46c [ 59.080155][ T5449] btrfs_run_delayed_items+0x24/0x34 [ 59.081020][ T5449] btrfs_commit_transaction+0x7e0/0x3078 [ 59.081924][ T5449] btrfs_sync_fs+0x628/0xb24 [ 59.082666][ T5449] sync_filesystem+0x1a0/0x218 [ 59.083456][ T5449] btrfs_remount+0x198/0x12b0 [ 59.084219][ T5449] legacy_reconfigure+0xf8/0x110 [ 59.084965][ T5449] reconfigure_super+0x1d4/0x6f4 [ 59.085731][ T5449] path_mount+0xc88/0x1008 [ 59.086396][ T5449] __arm64_sys_mount+0x514/0x5f0 [ 59.087195][ T5449] invoke_syscall+0x98/0x2b0 [ 59.087925][ T5449] el0_svc_common+0x138/0x258 [ 59.088545][ T5449] do_el0_svc+0x58/0x13c [ 59.089210][ T5449] el0_svc+0x78/0x1d0 [ 59.089791][ T5449] el0t_64_sync_handler+0xcc/0xe4 [ 59.090539][ T5449] el0t_64_sync+0x1a0/0x1a4 [ 59.092060][ T5449] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 59.093388][ T5449] ------------[ cut here ]------------ [ 59.094375][ T5449] WARNING: CPU: 0 PID: 5449 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 59.096015][ T5449] Modules linked in: [ 59.096682][ T5449] CPU: 0 PID: 5449 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.098151][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.099743][ T5449] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.100983][ T5449] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 59.102066][ T5449] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 59.102949][ T5449] sp : ffff800021fc75a0 [ 59.103596][ T5449] x29: ffff800021fc77e0 x28: ffff7000043f8ecc x27: 1fffe00018356c65 [ 59.104880][ T5449] x26: ffff0000c8159000 x25: 00000000fffffff4 x24: ffff0000c1ab6328 [ 59.106135][ T5449] x23: ffff0000d210ccb8 x22: ffff0000d210cc60 x21: ffff0000d15e4000 [ 59.107465][ T5449] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 59.108744][ T5449] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 59.110061][ T5449] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 59.111391][ T5449] x11: 0000000000000000 x10: 0000000000000000 x9 : 879dfd1636f56900 [ 59.112699][ T5449] x8 : 879dfd1636f56900 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.114076][ T5449] x5 : ffff800021fc6eb8 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 59.115292][ T5449] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.116668][ T5449] Call trace: [ 59.117250][ T5449] btrfs_commit_transaction+0x1ddc/0x3078 [ 59.118222][ T5449] btrfs_sync_fs+0x628/0xb24 [ 59.118973][ T5449] sync_filesystem+0x1a0/0x218 [ 59.119705][ T5449] btrfs_remount+0x198/0x12b0 [ 59.120445][ T5449] legacy_reconfigure+0xf8/0x110 [ 59.121211][ T5449] reconfigure_super+0x1d4/0x6f4 [ 59.121976][ T5449] path_mount+0xc88/0x1008 [ 59.122691][ T5449] __arm64_sys_mount+0x514/0x5f0 [ 59.123495][ T5449] invoke_syscall+0x98/0x2b0 [ 59.124238][ T5449] el0_svc_common+0x138/0x258 [ 59.125054][ T5449] do_el0_svc+0x58/0x13c [ 59.125773][ T5449] el0_svc+0x78/0x1d0 [ 59.126396][ T5449] el0t_64_sync_handler+0xcc/0xe4 [ 59.127215][ T5449] el0t_64_sync+0x1a0/0x1a4 [ 59.127954][ T5449] irq event stamp: 79208 [ 59.128615][ T5449] hardirqs last enabled at (79207): [] __up_console_sem+0xb4/0xfc [ 59.130195][ T5449] hardirqs last disabled at (79208): [] el1_dbg+0x24/0x80 [ 59.131621][ T5449] softirqs last enabled at (79174): [] handle_softirqs+0xa40/0xbe4 [ 59.133140][ T5449] softirqs last disabled at (79137): [] __irq_exit_rcu+0x240/0x43c [ 59.134721][ T5449] ---[ end trace 37e6f49526f84ab9 ]--- [ 59.136686][ T5449] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 59.138322][ T5449] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 59.323502][ T5471] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5471) [ 59.348002][ T5471] FAULT_INJECTION: forcing a failure. [ 59.348002][ T5471] name failslab, interval 1, probability 0, space 0, times 0 [ 59.349968][ T5471] CPU: 1 PID: 5471 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.351376][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.352825][ T5471] Call trace: [ 59.353339][ T5471] dump_backtrace+0x0/0x458 [ 59.354041][ T5471] show_stack+0x2c/0x3c [ 59.354739][ T5471] __dump_stack+0x30/0x40 [ 59.355378][ T5471] dump_stack_lvl+0xf4/0x15c [ 59.356140][ T5471] dump_stack+0x1c/0x5c [ 59.356819][ T5471] should_fail+0x3bc/0x514 [ 59.357523][ T5471] __should_failslab+0xbc/0x10c [ 59.358339][ T5471] should_failslab+0x10/0x28 [ 59.359091][ T5471] slab_pre_alloc_hook+0x64/0xe8 [ 59.359906][ T5471] kmem_cache_alloc+0x94/0x3d4 [ 59.360695][ T5471] btrfs_alloc_path+0x5c/0x68 [ 59.361462][ T5471] __btrfs_run_delayed_items+0x88/0x46c [ 59.362268][ T5471] btrfs_run_delayed_items+0x24/0x34 [ 59.363126][ T5471] btrfs_commit_transaction+0x7e0/0x3078 [ 59.364041][ T5471] btrfs_sync_fs+0x628/0xb24 [ 59.364814][ T5471] sync_filesystem+0x1a0/0x218 [ 59.365621][ T5471] btrfs_remount+0x198/0x12b0 [ 59.366422][ T5471] legacy_reconfigure+0xf8/0x110 [ 59.367236][ T5471] reconfigure_super+0x1d4/0x6f4 [ 59.368094][ T5471] path_mount+0xc88/0x1008 [ 59.368835][ T5471] __arm64_sys_mount+0x514/0x5f0 [ 59.369707][ T5471] invoke_syscall+0x98/0x2b0 [ 59.370485][ T5471] el0_svc_common+0x138/0x258 [ 59.371286][ T5471] do_el0_svc+0x58/0x13c [ 59.372006][ T5471] el0_svc+0x78/0x1d0 [ 59.372700][ T5471] el0t_64_sync_handler+0xcc/0xe4 [ 59.373600][ T5471] el0t_64_sync+0x1a0/0x1a4 [ 59.376868][ T5471] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 59.378218][ T5471] ------------[ cut here ]------------ [ 59.379279][ T5471] WARNING: CPU: 1 PID: 5471 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 59.381091][ T5471] Modules linked in: [ 59.381748][ T5471] CPU: 1 PID: 5471 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.383266][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.385021][ T5471] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.386351][ T5471] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 59.387325][ T5471] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 59.388318][ T5471] sp : ffff800021fd75a0 [ 59.388983][ T5471] x29: ffff800021fd77e0 x28: ffff7000043faecc x27: 1fffe0001b66f22d [ 59.390145][ T5471] x26: ffff0000c8158000 x25: 00000000fffffff4 x24: ffff0000db379168 [ 59.391549][ T5471] x23: ffff0000de519b58 x22: ffff0000de519b00 x21: ffff0000d2bd8000 [ 59.392916][ T5471] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 59.394274][ T5471] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 59.395578][ T5471] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 59.396911][ T5471] x11: 0000000000000000 x10: 0000000000000000 x9 : 997f09fbcb619c00 [ 59.398197][ T5471] x8 : 997f09fbcb619c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.399616][ T5471] x5 : ffff800021fd6eb8 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 59.400975][ T5471] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.402347][ T5471] Call trace: [ 59.402932][ T5471] btrfs_commit_transaction+0x1ddc/0x3078 [ 59.403801][ T5471] btrfs_sync_fs+0x628/0xb24 [ 59.404580][ T5471] sync_filesystem+0x1a0/0x218 [ 59.405343][ T5471] btrfs_remount+0x198/0x12b0 [ 59.406092][ T5471] legacy_reconfigure+0xf8/0x110 [ 59.406847][ T5471] reconfigure_super+0x1d4/0x6f4 [ 59.407719][ T5471] path_mount+0xc88/0x1008 [ 59.408454][ T5471] __arm64_sys_mount+0x514/0x5f0 [ 59.409220][ T5471] invoke_syscall+0x98/0x2b0 [ 59.409966][ T5471] el0_svc_common+0x138/0x258 [ 59.410791][ T5471] do_el0_svc+0x58/0x13c [ 59.411524][ T5471] el0_svc+0x78/0x1d0 [ 59.412276][ T5471] el0t_64_sync_handler+0xcc/0xe4 [ 59.413137][ T5471] el0t_64_sync+0x1a0/0x1a4 [ 59.413861][ T5471] irq event stamp: 78918 [ 59.414574][ T5471] hardirqs last enabled at (78917): [] __up_console_sem+0xb4/0xfc [ 59.416092][ T5471] hardirqs last disabled at (78918): [] el1_dbg+0x24/0x80 [ 59.417522][ T5471] softirqs last enabled at (78888): [] handle_softirqs+0xa40/0xbe4 1970/01/01 00:00:59 executed programs: 34 [ 59.419048][ T5471] softirqs last disabled at (78869): [] __irq_exit_rcu+0x240/0x43c [ 59.420543][ T5471] ---[ end trace 37e6f49526f84aba ]--- [ 59.421888][ T5471] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 59.423494][ T5471] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 59.605012][ T5493] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5493) [ 59.626374][ T5493] FAULT_INJECTION: forcing a failure. [ 59.626374][ T5493] name failslab, interval 1, probability 0, space 0, times 0 [ 59.628325][ T5493] CPU: 1 PID: 5493 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.629882][ T5493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.631573][ T5493] Call trace: [ 59.632091][ T5493] dump_backtrace+0x0/0x458 [ 59.632843][ T5493] show_stack+0x2c/0x3c [ 59.633539][ T5493] __dump_stack+0x30/0x40 [ 59.634299][ T5493] dump_stack_lvl+0xf4/0x15c [ 59.635106][ T5493] dump_stack+0x1c/0x5c [ 59.635843][ T5493] should_fail+0x3bc/0x514 [ 59.636626][ T5493] __should_failslab+0xbc/0x10c [ 59.637484][ T5493] should_failslab+0x10/0x28 [ 59.638274][ T5493] slab_pre_alloc_hook+0x64/0xe8 [ 59.639156][ T5493] kmem_cache_alloc+0x94/0x3d4 [ 59.639876][ T5493] start_transaction+0x4d0/0x13ec [ 59.640675][ T5493] btrfs_attach_transaction_barrier+0x30/0xac [ 59.641714][ T5493] btrfs_sync_fs+0x13c/0xb24 [ 59.642464][ T5493] sync_filesystem+0x1a0/0x218 [ 59.643200][ T5493] btrfs_remount+0x198/0x12b0 [ 59.643988][ T5493] legacy_reconfigure+0xf8/0x110 [ 59.644846][ T5493] reconfigure_super+0x1d4/0x6f4 [ 59.645698][ T5493] path_mount+0xc88/0x1008 [ 59.646459][ T5493] __arm64_sys_mount+0x514/0x5f0 [ 59.647301][ T5493] invoke_syscall+0x98/0x2b0 [ 59.648054][ T5493] el0_svc_common+0x138/0x258 [ 59.648791][ T5493] do_el0_svc+0x58/0x13c [ 59.649434][ T5493] el0_svc+0x78/0x1d0 [ 59.650126][ T5493] el0t_64_sync_handler+0xcc/0xe4 [ 59.651057][ T5493] el0t_64_sync+0x1a0/0x1a4 [ 59.818041][ T5515] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5515) [ 59.844369][ T5515] FAULT_INJECTION: forcing a failure. [ 59.844369][ T5515] name failslab, interval 1, probability 0, space 0, times 0 [ 59.846747][ T5515] CPU: 0 PID: 5515 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.848124][ T5515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.849732][ T5515] Call trace: [ 59.850239][ T5515] dump_backtrace+0x0/0x458 [ 59.850969][ T5515] show_stack+0x2c/0x3c [ 59.851710][ T5515] __dump_stack+0x30/0x40 [ 59.852444][ T5515] dump_stack_lvl+0xf4/0x15c [ 59.853267][ T5515] dump_stack+0x1c/0x5c [ 59.853946][ T5515] should_fail+0x3bc/0x514 [ 59.854682][ T5515] __should_failslab+0xbc/0x10c [ 59.855470][ T5515] should_failslab+0x10/0x28 [ 59.856235][ T5515] slab_pre_alloc_hook+0x64/0xe8 [ 59.857032][ T5515] kmem_cache_alloc+0x94/0x3d4 [ 59.857771][ T5515] start_transaction+0x4d0/0x13ec [ 59.858545][ T5515] btrfs_attach_transaction_barrier+0x30/0xac [ 59.859461][ T5515] btrfs_sync_fs+0x13c/0xb24 [ 59.860234][ T5515] sync_filesystem+0x1a0/0x218 [ 59.861020][ T5515] btrfs_remount+0x198/0x12b0 [ 59.861804][ T5515] legacy_reconfigure+0xf8/0x110 [ 59.862608][ T5515] reconfigure_super+0x1d4/0x6f4 [ 59.863369][ T5515] path_mount+0xc88/0x1008 [ 59.864075][ T5515] __arm64_sys_mount+0x514/0x5f0 [ 59.864854][ T5515] invoke_syscall+0x98/0x2b0 [ 59.865639][ T5515] el0_svc_common+0x138/0x258 [ 59.866450][ T5515] do_el0_svc+0x58/0x13c [ 59.867197][ T5515] el0_svc+0x78/0x1d0 [ 59.867865][ T5515] el0t_64_sync_handler+0xcc/0xe4 [ 59.868715][ T5515] el0t_64_sync+0x1a0/0x1a4 [ 60.051978][ T5537] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5537) [ 60.074312][ T5537] FAULT_INJECTION: forcing a failure. [ 60.074312][ T5537] name failslab, interval 1, probability 0, space 0, times 0 [ 60.076771][ T5537] CPU: 1 PID: 5537 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.078190][ T5537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.080054][ T5537] Call trace: [ 60.080633][ T5537] dump_backtrace+0x0/0x458 [ 60.081316][ T5537] show_stack+0x2c/0x3c [ 60.081975][ T5537] __dump_stack+0x30/0x40 [ 60.082628][ T5537] dump_stack_lvl+0xf4/0x15c [ 60.083377][ T5537] dump_stack+0x1c/0x5c [ 60.083951][ T5537] should_fail+0x3bc/0x514 [ 60.084602][ T5537] __should_failslab+0xbc/0x10c [ 60.085376][ T5537] should_failslab+0x10/0x28 [ 60.086141][ T5537] slab_pre_alloc_hook+0x64/0xe8 [ 60.086953][ T5537] kmem_cache_alloc+0x94/0x3d4 [ 60.087810][ T5537] btrfs_alloc_path+0x5c/0x68 [ 60.088589][ T5537] __btrfs_run_delayed_items+0x88/0x46c [ 60.089595][ T5537] btrfs_run_delayed_items+0x24/0x34 [ 60.090512][ T5537] btrfs_commit_transaction+0x7e0/0x3078 [ 60.091516][ T5537] btrfs_sync_fs+0x628/0xb24 [ 60.092271][ T5537] sync_filesystem+0x1a0/0x218 [ 60.093080][ T5537] btrfs_remount+0x198/0x12b0 [ 60.093938][ T5537] legacy_reconfigure+0xf8/0x110 [ 60.094763][ T5537] reconfigure_super+0x1d4/0x6f4 [ 60.095601][ T5537] path_mount+0xc88/0x1008 [ 60.096326][ T5537] __arm64_sys_mount+0x514/0x5f0 [ 60.097165][ T5537] invoke_syscall+0x98/0x2b0 [ 60.097913][ T5537] el0_svc_common+0x138/0x258 [ 60.098707][ T5537] do_el0_svc+0x58/0x13c [ 60.099424][ T5537] el0_svc+0x78/0x1d0 [ 60.100081][ T5537] el0t_64_sync_handler+0xcc/0xe4 [ 60.101003][ T5537] el0t_64_sync+0x1a0/0x1a4 [ 60.102080][ T5537] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 60.103456][ T5537] ------------[ cut here ]------------ [ 60.104839][ T5537] WARNING: CPU: 1 PID: 5537 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 60.106652][ T5537] Modules linked in: [ 60.107362][ T5537] CPU: 1 PID: 5537 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.108836][ T5537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.110663][ T5537] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.111892][ T5537] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 60.112927][ T5537] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 60.113985][ T5537] sp : ffff8000228475a0 [ 60.114626][ T5537] x29: ffff8000228477e0 x28: ffff700004508ecc x27: 1fffe00018472c65 [ 60.115974][ T5537] x26: ffff0000c8f24000 x25: 00000000fffffff4 x24: ffff0000c2396328 [ 60.117347][ T5537] x23: ffff0000de519d68 x22: ffff0000de519d10 x21: ffff0000d9f84000 [ 60.118697][ T5537] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 60.120123][ T5537] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 60.121487][ T5537] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 60.122890][ T5537] x11: 0000000000000000 x10: 0000000000000000 x9 : cf9852e6031c0e00 [ 60.124095][ T5537] x8 : cf9852e6031c0e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 60.125393][ T5537] x5 : ffff800022846eb8 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 60.126663][ T5537] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 60.127933][ T5537] Call trace: [ 60.128430][ T5537] btrfs_commit_transaction+0x1ddc/0x3078 [ 60.129353][ T5537] btrfs_sync_fs+0x628/0xb24 [ 60.130094][ T5537] sync_filesystem+0x1a0/0x218 [ 60.130909][ T5537] btrfs_remount+0x198/0x12b0 [ 60.131675][ T5537] legacy_reconfigure+0xf8/0x110 [ 60.132468][ T5537] reconfigure_super+0x1d4/0x6f4 [ 60.133218][ T5537] path_mount+0xc88/0x1008 [ 60.133867][ T5537] __arm64_sys_mount+0x514/0x5f0 [ 60.134599][ T5537] invoke_syscall+0x98/0x2b0 [ 60.135266][ T5537] el0_svc_common+0x138/0x258 [ 60.136032][ T5537] do_el0_svc+0x58/0x13c [ 60.136708][ T5537] el0_svc+0x78/0x1d0 [ 60.137277][ T5537] el0t_64_sync_handler+0xcc/0xe4 [ 60.138093][ T5537] el0t_64_sync+0x1a0/0x1a4 [ 60.138772][ T5537] irq event stamp: 78810 [ 60.139471][ T5537] hardirqs last enabled at (78809): [] __up_console_sem+0xb4/0xfc [ 60.140993][ T5537] hardirqs last disabled at (78810): [] el1_dbg+0x24/0x80 [ 60.142376][ T5537] softirqs last enabled at (78776): [] handle_softirqs+0xa40/0xbe4 [ 60.144020][ T5537] softirqs last disabled at (78695): [] __irq_exit_rcu+0x240/0x43c [ 60.145580][ T5537] ---[ end trace 37e6f49526f84abb ]--- [ 60.146711][ T5537] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 60.148471][ T5537] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 60.332347][ T5559] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5559) [ 60.367491][ T5559] FAULT_INJECTION: forcing a failure. [ 60.367491][ T5559] name failslab, interval 1, probability 0, space 0, times 0 [ 60.369750][ T5559] CPU: 1 PID: 5559 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.371301][ T5559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.373091][ T5559] Call trace: [ 60.373669][ T5559] dump_backtrace+0x0/0x458 [ 60.374483][ T5559] show_stack+0x2c/0x3c [ 60.375221][ T5559] __dump_stack+0x30/0x40 [ 60.375939][ T5559] dump_stack_lvl+0xf4/0x15c [ 60.376721][ T5559] dump_stack+0x1c/0x5c [ 60.377418][ T5559] should_fail+0x3bc/0x514 [ 60.378214][ T5559] __should_failslab+0xbc/0x10c [ 60.379031][ T5559] should_failslab+0x10/0x28 [ 60.379821][ T5559] slab_pre_alloc_hook+0x64/0xe8 [ 60.380679][ T5559] kmem_cache_alloc+0x94/0x3d4 [ 60.381480][ T5559] btrfs_alloc_path+0x5c/0x68 [ 60.382294][ T5559] __btrfs_run_delayed_items+0x88/0x46c [ 60.383245][ T5559] btrfs_run_delayed_items+0x24/0x34 [ 60.384112][ T5559] btrfs_commit_transaction+0x7e0/0x3078 [ 60.384996][ T5559] btrfs_sync_fs+0x628/0xb24 [ 60.385794][ T5559] sync_filesystem+0x1a0/0x218 [ 60.386623][ T5559] btrfs_remount+0x198/0x12b0 [ 60.387449][ T5559] legacy_reconfigure+0xf8/0x110 [ 60.388317][ T5559] reconfigure_super+0x1d4/0x6f4 [ 60.389143][ T5559] path_mount+0xc88/0x1008 [ 60.389835][ T5559] __arm64_sys_mount+0x514/0x5f0 [ 60.390574][ T5559] invoke_syscall+0x98/0x2b0 [ 60.391348][ T5559] el0_svc_common+0x138/0x258 [ 60.392121][ T5559] do_el0_svc+0x58/0x13c [ 60.392862][ T5559] el0_svc+0x78/0x1d0 [ 60.393560][ T5559] el0t_64_sync_handler+0xcc/0xe4 [ 60.394315][ T5559] el0t_64_sync+0x1a0/0x1a4 [ 60.395911][ T5559] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 60.397289][ T5559] ------------[ cut here ]------------ [ 60.398345][ T5559] WARNING: CPU: 1 PID: 5559 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 60.400082][ T5559] Modules linked in: [ 60.400708][ T5559] CPU: 1 PID: 5559 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.402115][ T5559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.403637][ T5559] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.404944][ T5559] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 60.405940][ T5559] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 60.406960][ T5559] sp : ffff8000228475a0 [ 60.407702][ T5559] x29: ffff8000228477e0 x28: ffff700004508ecc x27: 1fffe00019c388fd [ 60.409079][ T5559] x26: ffff0000da9ce000 x25: 00000000fffffff4 x24: ffff0000ce1c47e8 [ 60.410411][ T5559] x23: ffff0000de519f78 x22: ffff0000de519f20 x21: ffff0000d9ba4000 [ 60.411815][ T5559] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 60.413301][ T5559] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 60.414679][ T5559] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 60.416076][ T5559] x11: 0000000000000000 x10: 0000000000000000 x9 : fddd4f09655d9b00 [ 60.417385][ T5559] x8 : fddd4f09655d9b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 60.418824][ T5559] x5 : ffff800022846eb8 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 60.420155][ T5559] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 60.421508][ T5559] Call trace: [ 60.422048][ T5559] btrfs_commit_transaction+0x1ddc/0x3078 [ 60.422996][ T5559] btrfs_sync_fs+0x628/0xb24 [ 60.423751][ T5559] sync_filesystem+0x1a0/0x218 [ 60.424509][ T5559] btrfs_remount+0x198/0x12b0 [ 60.425295][ T5559] legacy_reconfigure+0xf8/0x110 [ 60.426107][ T5559] reconfigure_super+0x1d4/0x6f4 [ 60.426940][ T5559] path_mount+0xc88/0x1008 [ 60.427593][ T5559] __arm64_sys_mount+0x514/0x5f0 [ 60.428408][ T5559] invoke_syscall+0x98/0x2b0 [ 60.429165][ T5559] el0_svc_common+0x138/0x258 [ 60.429938][ T5559] do_el0_svc+0x58/0x13c [ 60.430640][ T5559] el0_svc+0x78/0x1d0 [ 60.431274][ T5559] el0t_64_sync_handler+0xcc/0xe4 [ 60.432105][ T5559] el0t_64_sync+0x1a0/0x1a4 [ 60.432879][ T5559] irq event stamp: 79296 [ 60.433686][ T5559] hardirqs last enabled at (79295): [] __up_console_sem+0xb4/0xfc [ 60.435352][ T5559] hardirqs last disabled at (79296): [] el1_dbg+0x24/0x80 [ 60.436843][ T5559] softirqs last enabled at (79266): [] handle_softirqs+0xa40/0xbe4 [ 60.438518][ T5559] softirqs last disabled at (79225): [] __irq_exit_rcu+0x240/0x43c [ 60.440145][ T5559] ---[ end trace 37e6f49526f84abc ]--- [ 60.441985][ T5559] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 60.444154][ T5559] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 60.618551][ T5581] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5581) [ 60.641069][ T5581] FAULT_INJECTION: forcing a failure. [ 60.641069][ T5581] name failslab, interval 1, probability 0, space 0, times 0 [ 60.643437][ T5581] CPU: 1 PID: 5581 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.645013][ T5581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.646738][ T5581] Call trace: [ 60.647267][ T5581] dump_backtrace+0x0/0x458 [ 60.648001][ T5581] show_stack+0x2c/0x3c [ 60.648678][ T5581] __dump_stack+0x30/0x40 [ 60.649343][ T5581] dump_stack_lvl+0xf4/0x15c [ 60.650190][ T5581] dump_stack+0x1c/0x5c [ 60.650948][ T5581] should_fail+0x3bc/0x514 [ 60.651705][ T5581] __should_failslab+0xbc/0x10c [ 60.652553][ T5581] should_failslab+0x10/0x28 [ 60.653282][ T5581] slab_pre_alloc_hook+0x64/0xe8 [ 60.654087][ T5581] kmem_cache_alloc+0x94/0x3d4 [ 60.654850][ T5581] btrfs_alloc_path+0x5c/0x68 [ 60.655622][ T5581] __btrfs_run_delayed_items+0x88/0x46c [ 60.656510][ T5581] btrfs_run_delayed_items+0x24/0x34 [ 60.657384][ T5581] btrfs_commit_transaction+0x7e0/0x3078 [ 60.658337][ T5581] btrfs_sync_fs+0x628/0xb24 [ 60.659088][ T5581] sync_filesystem+0x1a0/0x218 [ 60.659943][ T5581] btrfs_remount+0x198/0x12b0 [ 60.660681][ T5581] legacy_reconfigure+0xf8/0x110 [ 60.661534][ T5581] reconfigure_super+0x1d4/0x6f4 [ 60.662305][ T5581] path_mount+0xc88/0x1008 [ 60.662999][ T5581] __arm64_sys_mount+0x514/0x5f0 [ 60.663879][ T5581] invoke_syscall+0x98/0x2b0 [ 60.664641][ T5581] el0_svc_common+0x138/0x258 [ 60.665418][ T5581] do_el0_svc+0x58/0x13c [ 60.666081][ T5581] el0_svc+0x78/0x1d0 [ 60.666779][ T5581] el0t_64_sync_handler+0xcc/0xe4 [ 60.667683][ T5581] el0t_64_sync+0x1a0/0x1a4 [ 60.670124][ T5581] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 60.671594][ T5581] ------------[ cut here ]------------ [ 60.672518][ T5581] WARNING: CPU: 1 PID: 5581 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 60.674295][ T5581] Modules linked in: [ 60.674996][ T5581] CPU: 1 PID: 5581 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.676541][ T5581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.678239][ T5581] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.679544][ T5581] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 60.680609][ T5581] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 60.681560][ T5581] sp : ffff8000228775a0 [ 60.682221][ T5581] x29: ffff8000228777e0 x28: ffff70000450eecc x27: 1fffe00018554c65 [ 60.683478][ T5581] x26: ffff0000da9cf000 x25: 00000000fffffff4 x24: ffff0000c2aa6328 [ 60.684882][ T5581] x23: ffff0000d210dcb8 x22: ffff0000d210dc60 x21: ffff0000c7968000 [ 60.686229][ T5581] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 60.687587][ T5581] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 60.688930][ T5581] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 60.690216][ T5581] x11: 0000000000000000 x10: 0000000000000000 x9 : 74fbd33e65fbfd00 [ 60.691531][ T5581] x8 : 74fbd33e65fbfd00 x7 : 0000000000000001 x6 : 0000000000000001 [ 60.692855][ T5581] x5 : ffff800022876eb8 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 60.694144][ T5581] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 60.695416][ T5581] Call trace: [ 60.695906][ T5581] btrfs_commit_transaction+0x1ddc/0x3078 [ 60.696701][ T5581] btrfs_sync_fs+0x628/0xb24 [ 60.697393][ T5581] sync_filesystem+0x1a0/0x218 [ 60.698130][ T5581] btrfs_remount+0x198/0x12b0 [ 60.698918][ T5581] legacy_reconfigure+0xf8/0x110 [ 60.699721][ T5581] reconfigure_super+0x1d4/0x6f4 [ 60.700511][ T5581] path_mount+0xc88/0x1008 [ 60.701193][ T5581] __arm64_sys_mount+0x514/0x5f0 [ 60.701956][ T5581] invoke_syscall+0x98/0x2b0 [ 60.702667][ T5581] el0_svc_common+0x138/0x258 [ 60.703399][ T5581] do_el0_svc+0x58/0x13c [ 60.704061][ T5581] el0_svc+0x78/0x1d0 [ 60.704685][ T5581] el0t_64_sync_handler+0xcc/0xe4 [ 60.705452][ T5581] el0t_64_sync+0x1a0/0x1a4 [ 60.706129][ T5581] irq event stamp: 79484 [ 60.706817][ T5581] hardirqs last enabled at (79483): [] __up_console_sem+0xb4/0xfc [ 60.708435][ T5581] hardirqs last disabled at (79484): [] el1_dbg+0x24/0x80 [ 60.709892][ T5581] softirqs last enabled at (79450): [] handle_softirqs+0xa40/0xbe4 [ 60.711432][ T5581] softirqs last disabled at (79383): [] __irq_exit_rcu+0x240/0x43c [ 60.713026][ T5581] ---[ end trace 37e6f49526f84abd ]--- [ 60.714646][ T5581] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 60.716561][ T5581] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 60.881540][ T5603] set_capacity_and_notify: 10 callbacks suppressed [ 60.881549][ T5603] loop0: detected capacity change from 0 to 32768 [ 60.885181][ T5603] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5603) [ 60.890306][ T5603] btrfs_printk: 149 callbacks suppressed [ 60.890313][ T5603] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 60.892952][ T5603] BTRFS info (device loop0): force clearing of disk cache [ 60.894195][ T5603] BTRFS info (device loop0): setting nodatasum [ 60.895219][ T5603] BTRFS info (device loop0): allowing degraded mounts [ 60.896844][ T5603] BTRFS info (device loop0): enabling disk space caching [ 60.897986][ T5603] BTRFS info (device loop0): disk space caching is enabled [ 60.899314][ T5603] BTRFS info (device loop0): has skinny extents [ 60.908308][ T5603] BTRFS info (device loop0): enabling ssd optimizations [ 60.910002][ T5603] BTRFS info (device loop0): clearing free space tree [ 60.911294][ T5603] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 60.912879][ T5603] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 60.917288][ T5603] BTRFS info (device loop0): checking UUID tree [ 60.919930][ T5603] FAULT_INJECTION: forcing a failure. [ 60.919930][ T5603] name failslab, interval 1, probability 0, space 0, times 0 [ 60.922115][ T5603] CPU: 1 PID: 5603 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.923532][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.925216][ T5603] Call trace: [ 60.925752][ T5603] dump_backtrace+0x0/0x458 [ 60.926440][ T5603] show_stack+0x2c/0x3c [ 60.927074][ T5603] __dump_stack+0x30/0x40 [ 60.927779][ T5603] dump_stack_lvl+0xf4/0x15c [ 60.928563][ T5603] dump_stack+0x1c/0x5c [ 60.929213][ T5603] should_fail+0x3bc/0x514 [ 60.929874][ T5603] __should_failslab+0xbc/0x10c [ 60.930581][ T5603] should_failslab+0x10/0x28 [ 60.931255][ T5603] slab_pre_alloc_hook+0x64/0xe8 [ 60.931991][ T5603] kmem_cache_alloc+0x94/0x3d4 [ 60.932712][ T5603] getname_flags+0xb8/0x450 [ 60.933431][ T5603] getname+0x28/0x38 [ 60.934115][ T5603] do_sys_openat2+0xdc/0x3f4 [ 60.934801][ T5603] __arm64_sys_openat+0x118/0x14c [ 60.935589][ T5603] invoke_syscall+0x98/0x2b0 [ 60.936306][ T5603] el0_svc_common+0x138/0x258 [ 60.937062][ T5603] do_el0_svc+0x58/0x13c [ 60.937751][ T5603] el0_svc+0x78/0x1d0 [ 60.938451][ T5603] el0t_64_sync_handler+0xcc/0xe4 [ 60.939314][ T5603] el0t_64_sync+0x1a0/0x1a4 [ 61.121825][ T5625] loop0: detected capacity change from 0 to 32768 [ 61.124306][ T5625] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5625) [ 61.128327][ T5625] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 61.129831][ T5625] BTRFS info (device loop0): force clearing of disk cache [ 61.130950][ T5625] BTRFS info (device loop0): setting nodatasum [ 61.131864][ T5625] BTRFS info (device loop0): allowing degraded mounts [ 61.133214][ T5625] BTRFS info (device loop0): enabling disk space caching [ 61.134497][ T5625] BTRFS info (device loop0): disk space caching is enabled [ 61.136291][ T5625] BTRFS info (device loop0): has skinny extents [ 61.146817][ T5625] BTRFS info (device loop0): enabling ssd optimizations [ 61.148365][ T5625] BTRFS info (device loop0): clearing free space tree [ 61.149441][ T5625] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 61.150985][ T5625] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 61.154464][ T5625] BTRFS info (device loop0): checking UUID tree [ 61.157367][ T5625] FAULT_INJECTION: forcing a failure. [ 61.157367][ T5625] name failslab, interval 1, probability 0, space 0, times 0 [ 61.159558][ T5625] CPU: 0 PID: 5625 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.161015][ T5625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.162654][ T5625] Call trace: [ 61.163195][ T5625] dump_backtrace+0x0/0x458 [ 61.164015][ T5625] show_stack+0x2c/0x3c [ 61.164731][ T5625] __dump_stack+0x30/0x40 [ 61.165432][ T5625] dump_stack_lvl+0xf4/0x15c [ 61.166181][ T5625] dump_stack+0x1c/0x5c [ 61.166876][ T5625] should_fail+0x3bc/0x514 [ 61.167642][ T5625] __should_failslab+0xbc/0x10c [ 61.168408][ T5625] should_failslab+0x10/0x28 [ 61.169179][ T5625] slab_pre_alloc_hook+0x64/0xe8 [ 61.170084][ T5625] kmem_cache_alloc+0x94/0x3d4 [ 61.170924][ T5625] start_transaction+0x4d0/0x13ec [ 61.171787][ T5625] btrfs_attach_transaction_barrier+0x30/0xac [ 61.172764][ T5625] btrfs_sync_fs+0x13c/0xb24 [ 61.173548][ T5625] sync_filesystem+0x1a0/0x218 [ 61.174350][ T5625] btrfs_remount+0x198/0x12b0 [ 61.175157][ T5625] legacy_reconfigure+0xf8/0x110 [ 61.175985][ T5625] reconfigure_super+0x1d4/0x6f4 [ 61.176834][ T5625] path_mount+0xc88/0x1008 [ 61.177570][ T5625] __arm64_sys_mount+0x514/0x5f0 [ 61.178392][ T5625] invoke_syscall+0x98/0x2b0 [ 61.179165][ T5625] el0_svc_common+0x138/0x258 [ 61.179954][ T5625] do_el0_svc+0x58/0x13c [ 61.180584][ T5625] el0_svc+0x78/0x1d0 [ 61.181242][ T5625] el0t_64_sync_handler+0xcc/0xe4 [ 61.182010][ T5625] el0t_64_sync+0x1a0/0x1a4 [ 61.357954][ T5647] loop0: detected capacity change from 0 to 32768 [ 61.360488][ T5647] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5647) [ 61.369309][ T5647] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 61.370967][ T5647] BTRFS info (device loop0): force clearing of disk cache [ 61.372104][ T5647] BTRFS info (device loop0): setting nodatasum [ 61.373090][ T5647] BTRFS info (device loop0): allowing degraded mounts [ 61.374215][ T5647] BTRFS info (device loop0): enabling disk space caching [ 61.375346][ T5647] BTRFS info (device loop0): disk space caching is enabled [ 61.376684][ T5647] BTRFS info (device loop0): has skinny extents [ 61.385291][ T5647] BTRFS info (device loop0): enabling ssd optimizations [ 61.387476][ T5647] BTRFS info (device loop0): clearing free space tree [ 61.388785][ T5647] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 61.390525][ T5647] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 61.394194][ T5647] BTRFS info (device loop0): checking UUID tree [ 61.397913][ T5647] FAULT_INJECTION: forcing a failure. [ 61.397913][ T5647] name failslab, interval 1, probability 0, space 0, times 0 [ 61.400177][ T5647] CPU: 1 PID: 5647 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.401600][ T5647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.403273][ T5647] Call trace: [ 61.403815][ T5647] dump_backtrace+0x0/0x458 [ 61.404597][ T5647] show_stack+0x2c/0x3c [ 61.405294][ T5647] __dump_stack+0x30/0x40 [ 61.406013][ T5647] dump_stack_lvl+0xf4/0x15c [ 61.406766][ T5647] dump_stack+0x1c/0x5c [ 61.407490][ T5647] should_fail+0x3bc/0x514 [ 61.408207][ T5647] __should_failslab+0xbc/0x10c [ 61.409025][ T5647] should_failslab+0x10/0x28 [ 61.409812][ T5647] slab_pre_alloc_hook+0x64/0xe8 [ 61.410687][ T5647] kmem_cache_alloc+0x94/0x3d4 [ 61.411508][ T5647] getname_flags+0xb8/0x450 [ 61.412335][ T5647] getname+0x28/0x38 [ 61.412992][ T5647] do_sys_openat2+0xdc/0x3f4 [ 61.413816][ T5647] __arm64_sys_openat+0x118/0x14c [ 61.414617][ T5647] invoke_syscall+0x98/0x2b0 [ 61.415417][ T5647] el0_svc_common+0x138/0x258 [ 61.416197][ T5647] do_el0_svc+0x58/0x13c [ 61.416917][ T5647] el0_svc+0x78/0x1d0 [ 61.417548][ T5647] el0t_64_sync_handler+0xcc/0xe4 [ 61.418416][ T5647] el0t_64_sync+0x1a0/0x1a4 [ 61.602118][ T5669] loop0: detected capacity change from 0 to 32768 [ 61.604662][ T5669] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5669) [ 61.608136][ T5669] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 61.609715][ T5669] BTRFS info (device loop0): force clearing of disk cache [ 61.610900][ T5669] BTRFS info (device loop0): setting nodatasum [ 61.611831][ T5669] BTRFS info (device loop0): allowing degraded mounts [ 61.613090][ T5669] BTRFS info (device loop0): enabling disk space caching [ 61.614237][ T5669] BTRFS info (device loop0): disk space caching is enabled [ 61.615543][ T5669] BTRFS info (device loop0): has skinny extents [ 61.623398][ T5669] BTRFS info (device loop0): enabling ssd optimizations [ 61.624987][ T5669] BTRFS info (device loop0): clearing free space tree [ 61.627000][ T5669] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 61.628932][ T5669] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 61.632494][ T5669] BTRFS info (device loop0): checking UUID tree [ 61.635117][ T5669] FAULT_INJECTION: forcing a failure. [ 61.635117][ T5669] name failslab, interval 1, probability 0, space 0, times 0 [ 61.637460][ T5669] CPU: 0 PID: 5669 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.638855][ T5669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.640388][ T5669] Call trace: [ 61.640878][ T5669] dump_backtrace+0x0/0x458 [ 61.641635][ T5669] show_stack+0x2c/0x3c [ 61.642337][ T5669] __dump_stack+0x30/0x40 [ 61.643040][ T5669] dump_stack_lvl+0xf4/0x15c [ 61.643779][ T5669] dump_stack+0x1c/0x5c [ 61.644474][ T5669] should_fail+0x3bc/0x514 [ 61.645160][ T5669] __should_failslab+0xbc/0x10c [ 61.645930][ T5669] should_failslab+0x10/0x28 [ 61.646692][ T5669] slab_pre_alloc_hook+0x64/0xe8 [ 61.647521][ T5669] kmem_cache_alloc+0x94/0x3d4 [ 61.648269][ T5669] getname_flags+0xb8/0x450 [ 61.648960][ T5669] getname+0x28/0x38 [ 61.649543][ T5669] do_sys_openat2+0xdc/0x3f4 [ 61.650354][ T5669] __arm64_sys_openat+0x118/0x14c [ 61.651171][ T5669] invoke_syscall+0x98/0x2b0 [ 61.651951][ T5669] el0_svc_common+0x138/0x258 [ 61.652705][ T5669] do_el0_svc+0x58/0x13c [ 61.653387][ T5669] el0_svc+0x78/0x1d0 [ 61.654111][ T5669] el0t_64_sync_handler+0xcc/0xe4 [ 61.654944][ T5669] el0t_64_sync+0x1a0/0x1a4 [ 61.824096][ T5691] loop0: detected capacity change from 0 to 32768 [ 61.826924][ T5691] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5691) [ 61.830365][ T5691] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 61.832043][ T5691] BTRFS info (device loop0): force clearing of disk cache [ 61.833337][ T5691] BTRFS info (device loop0): setting nodatasum [ 61.834334][ T5691] BTRFS info (device loop0): allowing degraded mounts [ 61.835575][ T5691] BTRFS info (device loop0): enabling disk space caching [ 61.837265][ T5691] BTRFS info (device loop0): disk space caching is enabled [ 61.838477][ T5691] BTRFS info (device loop0): has skinny extents [ 61.850460][ T5691] BTRFS info (device loop0): enabling ssd optimizations [ 61.852042][ T5691] BTRFS info (device loop0): clearing free space tree [ 61.853398][ T5691] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 61.854924][ T5691] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 61.858472][ T5691] BTRFS info (device loop0): checking UUID tree [ 61.860989][ T5691] FAULT_INJECTION: forcing a failure. [ 61.860989][ T5691] name failslab, interval 1, probability 0, space 0, times 0 [ 61.863241][ T5691] CPU: 0 PID: 5691 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.864796][ T5691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.866459][ T5691] Call trace: [ 61.867013][ T5691] dump_backtrace+0x0/0x458 [ 61.867804][ T5691] show_stack+0x2c/0x3c [ 61.868498][ T5691] __dump_stack+0x30/0x40 [ 61.869216][ T5691] dump_stack_lvl+0xf4/0x15c [ 61.870004][ T5691] dump_stack+0x1c/0x5c [ 61.870671][ T5691] should_fail+0x3bc/0x514 [ 61.871371][ T5691] __should_failslab+0xbc/0x10c [ 61.872158][ T5691] should_failslab+0x10/0x28 [ 61.872879][ T5691] slab_pre_alloc_hook+0x64/0xe8 [ 61.873677][ T5691] kmem_cache_alloc+0x94/0x3d4 [ 61.874490][ T5691] start_transaction+0x4d0/0x13ec [ 61.875349][ T5691] btrfs_attach_transaction_barrier+0x30/0xac [ 61.876351][ T5691] btrfs_sync_fs+0x13c/0xb24 [ 61.877076][ T5691] sync_filesystem+0x1a0/0x218 [ 61.877903][ T5691] btrfs_remount+0x198/0x12b0 [ 61.878707][ T5691] legacy_reconfigure+0xf8/0x110 [ 61.879542][ T5691] reconfigure_super+0x1d4/0x6f4 [ 61.880411][ T5691] path_mount+0xc88/0x1008 [ 61.881096][ T5691] __arm64_sys_mount+0x514/0x5f0 [ 61.881978][ T5691] invoke_syscall+0x98/0x2b0 [ 61.882751][ T5691] el0_svc_common+0x138/0x258 [ 61.883517][ T5691] do_el0_svc+0x58/0x13c [ 61.884238][ T5691] el0_svc+0x78/0x1d0 [ 61.884923][ T5691] el0t_64_sync_handler+0xcc/0xe4 [ 61.885724][ T5691] el0t_64_sync+0x1a0/0x1a4 [ 62.066448][ T5713] loop0: detected capacity change from 0 to 32768 [ 62.069050][ T5713] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5713) [ 62.072454][ T5713] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 62.074097][ T5713] BTRFS info (device loop0): force clearing of disk cache [ 62.075312][ T5713] BTRFS info (device loop0): setting nodatasum [ 62.076873][ T5713] BTRFS info (device loop0): allowing degraded mounts [ 62.078110][ T5713] BTRFS info (device loop0): enabling disk space caching [ 62.079344][ T5713] BTRFS info (device loop0): disk space caching is enabled [ 62.080651][ T5713] BTRFS info (device loop0): has skinny extents [ 62.089197][ T5713] BTRFS info (device loop0): enabling ssd optimizations [ 62.091769][ T5713] BTRFS info (device loop0): clearing free space tree [ 62.092974][ T5713] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 62.094616][ T5713] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 62.098155][ T5713] BTRFS info (device loop0): checking UUID tree [ 62.100686][ T5713] FAULT_INJECTION: forcing a failure. [ 62.100686][ T5713] name failslab, interval 1, probability 0, space 0, times 0 [ 62.102695][ T5713] CPU: 0 PID: 5713 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 62.104071][ T5713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.105688][ T5713] Call trace: [ 62.106290][ T5713] dump_backtrace+0x0/0x458 [ 62.107030][ T5713] show_stack+0x2c/0x3c [ 62.107791][ T5713] __dump_stack+0x30/0x40 [ 62.108453][ T5713] dump_stack_lvl+0xf4/0x15c [ 62.109194][ T5713] dump_stack+0x1c/0x5c [ 62.109948][ T5713] should_fail+0x3bc/0x514 [ 62.110781][ T5713] __should_failslab+0xbc/0x10c [ 62.111612][ T5713] should_failslab+0x10/0x28 [ 62.112387][ T5713] slab_pre_alloc_hook+0x64/0xe8 [ 62.113173][ T5713] kmem_cache_alloc+0x94/0x3d4 [ 62.114010][ T5713] getname_flags+0xb8/0x450 [ 62.114773][ T5713] getname+0x28/0x38 [ 62.115431][ T5713] do_sys_openat2+0xdc/0x3f4 [ 62.116146][ T5713] __arm64_sys_openat+0x118/0x14c [ 62.116922][ T5713] invoke_syscall+0x98/0x2b0 [ 62.117705][ T5713] el0_svc_common+0x138/0x258 [ 62.118502][ T5713] do_el0_svc+0x58/0x13c [ 62.119204][ T5713] el0_svc+0x78/0x1d0 [ 62.119853][ T5713] el0t_64_sync_handler+0xcc/0xe4 [ 62.120816][ T5713] el0t_64_sync+0x1a0/0x1a4 [ 62.291665][ T5735] loop0: detected capacity change from 0 to 32768 [ 62.294249][ T5735] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5735) [ 62.298872][ T5735] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 62.300513][ T5735] BTRFS info (device loop0): force clearing of disk cache [ 62.301737][ T5735] BTRFS info (device loop0): setting nodatasum [ 62.302721][ T5735] BTRFS info (device loop0): allowing degraded mounts [ 62.303925][ T5735] BTRFS info (device loop0): enabling disk space caching [ 62.305121][ T5735] BTRFS info (device loop0): disk space caching is enabled [ 62.306551][ T5735] BTRFS info (device loop0): has skinny extents [ 62.315993][ T5735] BTRFS info (device loop0): enabling ssd optimizations [ 62.317740][ T5735] BTRFS info (device loop0): clearing free space tree [ 62.318970][ T5735] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 62.320655][ T5735] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 62.323984][ T5735] BTRFS info (device loop0): checking UUID tree [ 62.328117][ T5735] FAULT_INJECTION: forcing a failure. [ 62.328117][ T5735] name failslab, interval 1, probability 0, space 0, times 0 [ 62.330305][ T5735] CPU: 1 PID: 5735 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 62.331655][ T5735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.333344][ T5735] Call trace: [ 62.333906][ T5735] dump_backtrace+0x0/0x458 [ 62.334653][ T5735] show_stack+0x2c/0x3c [ 62.335408][ T5735] __dump_stack+0x30/0x40 [ 62.336164][ T5735] dump_stack_lvl+0xf4/0x15c [ 62.336927][ T5735] dump_stack+0x1c/0x5c [ 62.337620][ T5735] should_fail+0x3bc/0x514 [ 62.338354][ T5735] __should_failslab+0xbc/0x10c [ 62.339164][ T5735] should_failslab+0x10/0x28 [ 62.339874][ T5735] slab_pre_alloc_hook+0x64/0xe8 [ 62.340663][ T5735] kmem_cache_alloc+0x94/0x3d4 [ 62.341470][ T5735] start_transaction+0x4d0/0x13ec [ 62.342310][ T5735] btrfs_attach_transaction_barrier+0x30/0xac [ 62.343363][ T5735] btrfs_sync_fs+0x13c/0xb24 [ 62.344153][ T5735] sync_filesystem+0x1a0/0x218 [ 62.344970][ T5735] btrfs_remount+0x198/0x12b0 [ 62.345760][ T5735] legacy_reconfigure+0xf8/0x110 [ 62.346530][ T5735] reconfigure_super+0x1d4/0x6f4 [ 62.347287][ T5735] path_mount+0xc88/0x1008 [ 62.348036][ T5735] __arm64_sys_mount+0x514/0x5f0 [ 62.348814][ T5735] invoke_syscall+0x98/0x2b0 [ 62.349612][ T5735] el0_svc_common+0x138/0x258 [ 62.350355][ T5735] do_el0_svc+0x58/0x13c [ 62.350980][ T5735] el0_svc+0x78/0x1d0 [ 62.351568][ T5735] el0t_64_sync_handler+0xcc/0xe4 [ 62.352276][ T5735] el0t_64_sync+0x1a0/0x1a4 [ 62.525022][ T5757] loop0: detected capacity change from 0 to 32768 [ 62.527605][ T5757] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5757) [ 62.531769][ T5757] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 62.533346][ T5757] BTRFS info (device loop0): force clearing of disk cache [ 62.534508][ T5757] BTRFS info (device loop0): setting nodatasum [ 62.535486][ T5757] BTRFS info (device loop0): allowing degraded mounts [ 62.536751][ T5757] BTRFS info (device loop0): enabling disk space caching [ 62.537982][ T5757] BTRFS info (device loop0): disk space caching is enabled [ 62.539252][ T5757] BTRFS info (device loop0): has skinny extents [ 62.548453][ T5757] BTRFS info (device loop0): enabling ssd optimizations [ 62.550081][ T5757] BTRFS info (device loop0): clearing free space tree [ 62.551221][ T5757] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 62.552788][ T5757] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 62.556326][ T5757] BTRFS info (device loop0): checking UUID tree [ 62.558847][ T5757] FAULT_INJECTION: forcing a failure. [ 62.558847][ T5757] name failslab, interval 1, probability 0, space 0, times 0 [ 62.561033][ T5757] CPU: 0 PID: 5757 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 62.562640][ T5757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.564315][ T5757] Call trace: [ 62.564834][ T5757] dump_backtrace+0x0/0x458 [ 62.565539][ T5757] show_stack+0x2c/0x3c [ 62.566193][ T5757] __dump_stack+0x30/0x40 [ 62.566902][ T5757] dump_stack_lvl+0xf4/0x15c [ 62.567614][ T5757] dump_stack+0x1c/0x5c [ 62.568257][ T5757] should_fail+0x3bc/0x514 [ 62.568921][ T5757] __should_failslab+0xbc/0x10c [ 62.569657][ T5757] should_failslab+0x10/0x28 [ 62.570353][ T5757] slab_pre_alloc_hook+0x64/0xe8 [ 62.571087][ T5757] kmem_cache_alloc+0x94/0x3d4 [ 62.571818][ T5757] getname_flags+0xb8/0x450 [ 62.572531][ T5757] getname+0x28/0x38 [ 62.573157][ T5757] do_sys_openat2+0xdc/0x3f4 [ 62.573921][ T5757] __arm64_sys_openat+0x118/0x14c [ 62.574726][ T5757] invoke_syscall+0x98/0x2b0 [ 62.575447][ T5757] el0_svc_common+0x138/0x258 [ 62.576210][ T5757] do_el0_svc+0x58/0x13c [ 62.576864][ T5757] el0_svc+0x78/0x1d0 [ 62.577531][ T5757] el0t_64_sync_handler+0xcc/0xe4 [ 62.578253][ T5757] el0t_64_sync+0x1a0/0x1a4 [ 62.703152][ T5779] loop0: detected capacity change from 0 to 32768 [ 62.705509][ T5779] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5779) [ 62.708695][ T5779] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 62.710261][ T5779] BTRFS info (device loop0): force clearing of disk cache [ 62.711441][ T5779] BTRFS info (device loop0): setting nodatasum [ 62.712429][ T5779] BTRFS info (device loop0): allowing degraded mounts [ 62.726594][ T5779] FAULT_INJECTION: forcing a failure. [ 62.726594][ T5779] name failslab, interval 1, probability 0, space 0, times 0 [ 62.728802][ T5779] CPU: 0 PID: 5779 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 62.730264][ T5779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.731910][ T5779] Call trace: [ 62.732439][ T5779] dump_backtrace+0x0/0x458 [ 62.733201][ T5779] show_stack+0x2c/0x3c [ 62.733878][ T5779] __dump_stack+0x30/0x40 [ 62.734591][ T5779] dump_stack_lvl+0xf4/0x15c [ 62.735331][ T5779] dump_stack+0x1c/0x5c [ 62.735993][ T5779] should_fail+0x3bc/0x514 [ 62.736708][ T5779] __should_failslab+0xbc/0x10c [ 62.737470][ T5779] should_failslab+0x10/0x28 [ 62.738211][ T5779] slab_pre_alloc_hook+0x64/0xe8 [ 62.739065][ T5779] kmem_cache_alloc+0x94/0x3d4 [ 62.739749][ T5779] btrfs_alloc_path+0x5c/0x68 [ 62.740416][ T5779] __btrfs_run_delayed_items+0x88/0x46c [ 62.741297][ T5779] btrfs_run_delayed_items+0x24/0x34 [ 62.742122][ T5779] btrfs_commit_transaction+0x7e0/0x3078 [ 62.743035][ T5779] btrfs_sync_fs+0x628/0xb24 [ 62.743828][ T5779] sync_filesystem+0x1a0/0x218 [ 62.744530][ T5779] btrfs_remount+0x198/0x12b0 [ 62.745227][ T5779] legacy_reconfigure+0xf8/0x110 [ 62.745993][ T5779] reconfigure_super+0x1d4/0x6f4 [ 62.746803][ T5779] path_mount+0xc88/0x1008 [ 62.747550][ T5779] __arm64_sys_mount+0x514/0x5f0 [ 62.748382][ T5779] invoke_syscall+0x98/0x2b0 [ 62.749201][ T5779] el0_svc_common+0x138/0x258 [ 62.750021][ T5779] do_el0_svc+0x58/0x13c [ 62.750711][ T5779] el0_svc+0x78/0x1d0 [ 62.751334][ T5779] el0t_64_sync_handler+0xcc/0xe4 [ 62.752106][ T5779] el0t_64_sync+0x1a0/0x1a4 [ 62.753684][ T5779] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 62.755179][ T5779] ------------[ cut here ]------------ [ 62.756485][ T5779] WARNING: CPU: 0 PID: 5779 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 62.758193][ T5779] Modules linked in: [ 62.758823][ T5779] CPU: 0 PID: 5779 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 62.760431][ T5779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.761963][ T5779] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 62.763202][ T5779] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 62.764248][ T5779] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 62.765250][ T5779] sp : ffff8000239675a0 [ 62.765966][ T5779] x29: ffff8000239677e0 x28: ffff70000472cecc x27: 1fffe0001a986c65 [ 62.767347][ T5779] x26: ffff0000dc994000 x25: 00000000fffffff4 x24: ffff0000d4c36328 [ 62.768638][ T5779] x23: ffff0000d2170318 x22: ffff0000d21702c0 x21: ffff0000cfed0000 [ 62.769947][ T5779] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 62.771269][ T5779] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 62.772663][ T5779] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 62.774010][ T5779] x11: 0000000000000000 x10: 0000000000000000 x9 : e7faaac15bec1400 [ 62.775363][ T5779] x8 : e7faaac15bec1400 x7 : 0000000000000001 x6 : 0000000000000001 [ 62.776690][ T5779] x5 : ffff800023966eb8 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 62.777997][ T5779] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 62.779437][ T5779] Call trace: [ 62.779979][ T5779] btrfs_commit_transaction+0x1ddc/0x3078 [ 62.781017][ T5779] btrfs_sync_fs+0x628/0xb24 [ 62.781769][ T5779] sync_filesystem+0x1a0/0x218 [ 62.782477][ T5779] btrfs_remount+0x198/0x12b0 [ 62.783201][ T5779] legacy_reconfigure+0xf8/0x110 [ 62.784013][ T5779] reconfigure_super+0x1d4/0x6f4 [ 62.784766][ T5779] path_mount+0xc88/0x1008 [ 62.785384][ T5779] __arm64_sys_mount+0x514/0x5f0 [ 62.786132][ T5779] invoke_syscall+0x98/0x2b0 [ 62.786792][ T5779] el0_svc_common+0x138/0x258 [ 62.787465][ T5779] do_el0_svc+0x58/0x13c [ 62.788150][ T5779] el0_svc+0x78/0x1d0 [ 62.788799][ T5779] el0t_64_sync_handler+0xcc/0xe4 [ 62.789541][ T5779] el0t_64_sync+0x1a0/0x1a4 [ 62.790205][ T5779] irq event stamp: 79570 [ 62.790766][ T5779] hardirqs last enabled at (79569): [] __up_console_sem+0xb4/0xfc [ 62.792214][ T5779] hardirqs last disabled at (79570): [] el1_dbg+0x24/0x80 [ 62.793579][ T5779] softirqs last enabled at (79558): [] handle_softirqs+0xa40/0xbe4 [ 62.795091][ T5779] softirqs last disabled at (79511): [] __irq_exit_rcu+0x240/0x43c [ 62.796660][ T5779] ---[ end trace 37e6f49526f84abe ]--- [ 62.798402][ T5779] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 62.800139][ T5779] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 63.005281][ T5801] loop0: detected capacity change from 0 to 32768 [ 63.008753][ T5801] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5801) [ 63.025122][ T5801] FAULT_INJECTION: forcing a failure. [ 63.025122][ T5801] name failslab, interval 1, probability 0, space 0, times 0 [ 63.025960][ T4360] udevd[4360]: incorrect btrfs checksum on /dev/loop0 [ 63.027593][ T5801] CPU: 1 PID: 5801 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 63.030025][ T5801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 63.031819][ T5801] Call trace: [ 63.032349][ T5801] dump_backtrace+0x0/0x458 [ 63.033177][ T5801] show_stack+0x2c/0x3c [ 63.033925][ T5801] __dump_stack+0x30/0x40 [ 63.034707][ T5801] dump_stack_lvl+0xf4/0x15c [ 63.035477][ T5801] dump_stack+0x1c/0x5c [ 63.036149][ T5801] should_fail+0x3bc/0x514 [ 63.036914][ T5801] __should_failslab+0xbc/0x10c [ 63.037748][ T5801] should_failslab+0x10/0x28 [ 63.038528][ T5801] slab_pre_alloc_hook+0x64/0xe8 [ 63.039383][ T5801] kmem_cache_alloc+0x94/0x3d4 [ 63.040171][ T5801] btrfs_alloc_path+0x5c/0x68 [ 63.040974][ T5801] __btrfs_run_delayed_items+0x88/0x46c [ 63.041850][ T5801] btrfs_run_delayed_items+0x24/0x34 [ 63.042679][ T5801] btrfs_commit_transaction+0x7e0/0x3078 [ 63.043716][ T5801] btrfs_sync_fs+0x628/0xb24 [ 63.044523][ T5801] sync_filesystem+0x1a0/0x218 [ 63.045315][ T5801] btrfs_remount+0x198/0x12b0 [ 63.046104][ T5801] legacy_reconfigure+0xf8/0x110 [ 63.046995][ T5801] reconfigure_super+0x1d4/0x6f4 [ 63.047868][ T5801] path_mount+0xc88/0x1008 [ 63.048530][ T5801] __arm64_sys_mount+0x514/0x5f0 [ 63.049310][ T5801] invoke_syscall+0x98/0x2b0 [ 63.050016][ T5801] el0_svc_common+0x138/0x258 [ 63.050725][ T5801] do_el0_svc+0x58/0x13c [ 63.051401][ T5801] el0_svc+0x78/0x1d0 [ 63.052051][ T5801] el0t_64_sync_handler+0xcc/0xe4 [ 63.052845][ T5801] el0t_64_sync+0x1a0/0x1a4 [ 63.054556][ T5801] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 63.055891][ T5801] ------------[ cut here ]------------ [ 63.056794][ T5801] WARNING: CPU: 1 PID: 5801 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 63.058509][ T5801] Modules linked in: [ 63.059159][ T5801] CPU: 1 PID: 5801 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 63.060625][ T5801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 63.062263][ T5801] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 63.063575][ T5801] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 63.064633][ T5801] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 63.065694][ T5801] sp : ffff8000239775a0 [ 63.066401][ T5801] x29: ffff8000239777e0 x28: ffff70000472eecc x27: 1fffe0001a9868fd [ 63.067752][ T5801] x26: ffff0000d710c000 x25: 00000000fffffff4 x24: ffff0000d4c347e8 [ 63.069149][ T5801] x23: ffff0000d210dec8 x22: ffff0000d210de70 x21: ffff0000cfed0000 [ 63.070511][ T5801] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 63.071753][ T5801] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 63.073128][ T5801] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 63.074492][ T5801] x11: 0000000000000000 x10: 0000000000000000 x9 : a0f50ff8eec46d00 [ 63.075769][ T5801] x8 : a0f50ff8eec46d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 63.077150][ T5801] x5 : ffff800023976eb8 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 63.078569][ T5801] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 63.080009][ T5801] Call trace: [ 63.080554][ T5801] btrfs_commit_transaction+0x1ddc/0x3078 [ 63.081552][ T5801] btrfs_sync_fs+0x628/0xb24 [ 63.082303][ T5801] sync_filesystem+0x1a0/0x218 [ 63.083123][ T5801] btrfs_remount+0x198/0x12b0 [ 63.083902][ T5801] legacy_reconfigure+0xf8/0x110 [ 63.084779][ T5801] reconfigure_super+0x1d4/0x6f4 [ 63.085586][ T5801] path_mount+0xc88/0x1008 [ 63.086314][ T5801] __arm64_sys_mount+0x514/0x5f0 [ 63.087123][ T5801] invoke_syscall+0x98/0x2b0 [ 63.087929][ T5801] el0_svc_common+0x138/0x258 [ 63.088684][ T5801] do_el0_svc+0x58/0x13c [ 63.089319][ T5801] el0_svc+0x78/0x1d0 [ 63.090047][ T5801] el0t_64_sync_handler+0xcc/0xe4 [ 63.090894][ T5801] el0t_64_sync+0x1a0/0x1a4 [ 63.091714][ T5801] irq event stamp: 79494 [ 63.092477][ T5801] hardirqs last enabled at (79493): [] __up_console_sem+0xb4/0xfc [ 63.094059][ T5801] hardirqs last disabled at (79494): [] el1_dbg+0x24/0x80 [ 63.095556][ T5801] softirqs last enabled at (79474): [] handle_softirqs+0xa40/0xbe4 [ 63.097126][ T5801] softirqs last disabled at (79465): [] __irq_exit_rcu+0x240/0x43c [ 63.098801][ T5801] ---[ end trace 37e6f49526f84abf ]--- [ 63.100650][ T5801] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 63.102421][ T5801] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 63.304460][ T5822] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5822) [ 63.330940][ T5822] FAULT_INJECTION: forcing a failure. [ 63.330940][ T5822] name failslab, interval 1, probability 0, space 0, times 0 [ 63.333304][ T5822] CPU: 0 PID: 5822 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 63.334766][ T5822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 63.336447][ T5822] Call trace: [ 63.337005][ T5822] dump_backtrace+0x0/0x458 [ 63.337799][ T5822] show_stack+0x2c/0x3c [ 63.338504][ T5822] __dump_stack+0x30/0x40 [ 63.339241][ T5822] dump_stack_lvl+0xf4/0x15c [ 63.340010][ T5822] dump_stack+0x1c/0x5c [ 63.340630][ T5822] should_fail+0x3bc/0x514 [ 63.341296][ T5822] __should_failslab+0xbc/0x10c [ 63.342126][ T5822] should_failslab+0x10/0x28 [ 63.342883][ T5822] slab_pre_alloc_hook+0x64/0xe8 [ 63.343631][ T5822] kmem_cache_alloc+0x94/0x3d4 [ 63.344421][ T5822] getname_flags+0xb8/0x450 [ 63.345224][ T5822] getname+0x28/0x38 [ 63.345841][ T5822] do_sys_openat2+0xdc/0x3f4 [ 63.346605][ T5822] __arm64_sys_openat+0x118/0x14c [ 63.347443][ T5822] invoke_syscall+0x98/0x2b0 [ 63.348209][ T5822] el0_svc_common+0x138/0x258 [ 63.348950][ T5822] do_el0_svc+0x58/0x13c [ 63.349625][ T5822] el0_svc+0x78/0x1d0 [ 63.350248][ T5822] el0t_64_sync_handler+0xcc/0xe4 [ 63.351088][ T5822] el0t_64_sync+0x1a0/0x1a4 [ 63.544315][ T5844] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5844) [ 63.558539][ T5844] FAULT_INJECTION: forcing a failure. [ 63.558539][ T5844] name failslab, interval 1, probability 0, space 0, times 0 [ 63.560596][ T5844] CPU: 1 PID: 5844 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 63.561956][ T5844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 63.563560][ T5844] Call trace: [ 63.564072][ T5844] dump_backtrace+0x0/0x458 [ 63.564824][ T5844] show_stack+0x2c/0x3c [ 63.565558][ T5844] __dump_stack+0x30/0x40 [ 63.566250][ T5844] dump_stack_lvl+0xf4/0x15c [ 63.566990][ T5844] dump_stack+0x1c/0x5c [ 63.567658][ T5844] should_fail+0x3bc/0x514 [ 63.568387][ T5844] __should_failslab+0xbc/0x10c [ 63.569233][ T5844] should_failslab+0x10/0x28 [ 63.570016][ T5844] slab_pre_alloc_hook+0x64/0xe8 [ 63.570832][ T5844] kmem_cache_alloc+0x94/0x3d4 [ 63.571622][ T5844] btrfs_alloc_path+0x5c/0x68 [ 63.572423][ T5844] __btrfs_run_delayed_items+0x88/0x46c [ 63.573362][ T5844] btrfs_run_delayed_items+0x24/0x34 [ 63.574185][ T5844] btrfs_commit_transaction+0x7e0/0x3078 [ 63.575030][ T5844] btrfs_sync_fs+0x628/0xb24 [ 63.575725][ T5844] sync_filesystem+0x1a0/0x218 [ 63.576504][ T5844] btrfs_remount+0x198/0x12b0 [ 63.577248][ T5844] legacy_reconfigure+0xf8/0x110 [ 63.578044][ T5844] reconfigure_super+0x1d4/0x6f4 [ 63.578849][ T5844] path_mount+0xc88/0x1008 [ 63.579591][ T5844] __arm64_sys_mount+0x514/0x5f0 [ 63.580378][ T5844] invoke_syscall+0x98/0x2b0 [ 63.581076][ T5844] el0_svc_common+0x138/0x258 [ 63.581787][ T5844] do_el0_svc+0x58/0x13c [ 63.582445][ T5844] el0_svc+0x78/0x1d0 [ 63.583038][ T5844] el0t_64_sync_handler+0xcc/0xe4 [ 63.583839][ T5844] el0t_64_sync+0x1a0/0x1a4 [ 63.584722][ T5844] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 63.586190][ T5844] ------------[ cut here ]------------ [ 63.587171][ T5844] WARNING: CPU: 1 PID: 5844 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 63.588790][ T5844] Modules linked in: [ 63.589351][ T5844] CPU: 1 PID: 5844 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 63.590747][ T5844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 63.592269][ T5844] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 63.593504][ T5844] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 63.594505][ T5844] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 63.595505][ T5844] sp : ffff800023e375a0 [ 63.596146][ T5844] x29: ffff800023e377e0 x28: ffff7000047c6ecc x27: 1fffe0001a078c65 [ 63.597437][ T5844] x26: ffff0000c66a4000 x25: 00000000fffffff4 x24: ffff0000d03c6328 [ 63.598772][ T5844] x23: ffff0000de519688 x22: ffff0000de519630 x21: ffff0000d623c000 [ 63.600011][ T5844] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 63.601294][ T5844] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 63.602554][ T5844] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 63.603808][ T5844] x11: 0000000000000000 x10: 0000000000000000 x9 : 55f39e5d46216f00 [ 63.605058][ T5844] x8 : 55f39e5d46216f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 63.606353][ T5844] x5 : ffff800023e36eb8 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 63.607627][ T5844] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 63.608905][ T5844] Call trace: [ 63.609452][ T5844] btrfs_commit_transaction+0x1ddc/0x3078 [ 63.610365][ T5844] btrfs_sync_fs+0x628/0xb24 [ 63.611036][ T5844] sync_filesystem+0x1a0/0x218 [ 63.611855][ T5844] btrfs_remount+0x198/0x12b0 [ 63.612556][ T5844] legacy_reconfigure+0xf8/0x110 [ 63.613302][ T5844] reconfigure_super+0x1d4/0x6f4 [ 63.614098][ T5844] path_mount+0xc88/0x1008 [ 63.614764][ T5844] __arm64_sys_mount+0x514/0x5f0 [ 63.615528][ T5844] invoke_syscall+0x98/0x2b0 [ 63.616218][ T5844] el0_svc_common+0x138/0x258 [ 63.616901][ T5844] do_el0_svc+0x58/0x13c [ 63.617499][ T5844] el0_svc+0x78/0x1d0 [ 63.618123][ T5844] el0t_64_sync_handler+0xcc/0xe4 [ 63.618813][ T5844] el0t_64_sync+0x1a0/0x1a4 [ 63.619420][ T5844] irq event stamp: 79360 [ 63.620009][ T5844] hardirqs last enabled at (79359): [] __up_console_sem+0xb4/0xfc [ 63.621348][ T5844] hardirqs last disabled at (79360): [] el1_dbg+0x24/0x80 [ 63.622572][ T5844] softirqs last enabled at (79332): [] handle_softirqs+0xa40/0xbe4 [ 63.624071][ T5844] softirqs last disabled at (79315): [] __irq_exit_rcu+0x240/0x43c [ 63.625608][ T5844] ---[ end trace 37e6f49526f84ac0 ]--- [ 63.626602][ T5844] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 63.628146][ T5844] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 63.797359][ T5866] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5866) [ 63.816189][ T5866] FAULT_INJECTION: forcing a failure. [ 63.816189][ T5866] name failslab, interval 1, probability 0, space 0, times 0 [ 63.818363][ T5866] CPU: 1 PID: 5866 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 63.819783][ T5866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 63.821400][ T5866] Call trace: [ 63.821893][ T5866] dump_backtrace+0x0/0x458 [ 63.822592][ T5866] show_stack+0x2c/0x3c [ 63.823323][ T5866] __dump_stack+0x30/0x40 [ 63.824023][ T5866] dump_stack_lvl+0xf4/0x15c [ 63.824732][ T5866] dump_stack+0x1c/0x5c [ 63.825370][ T5866] should_fail+0x3bc/0x514 [ 63.826013][ T5866] __should_failslab+0xbc/0x10c [ 63.826674][ T5866] should_failslab+0x10/0x28 [ 63.827291][ T5866] slab_pre_alloc_hook+0x64/0xe8 [ 63.828015][ T5866] kmem_cache_alloc+0x94/0x3d4 [ 63.828722][ T5866] getname_flags+0xb8/0x450 [ 63.829330][ T5866] getname+0x28/0x38 [ 63.829861][ T5866] do_sys_openat2+0xdc/0x3f4 [ 63.830480][ T5866] __arm64_sys_openat+0x118/0x14c [ 63.831170][ T5866] invoke_syscall+0x98/0x2b0 [ 63.831805][ T5866] el0_svc_common+0x138/0x258 [ 63.832595][ T5866] do_el0_svc+0x58/0x13c [ 63.833309][ T5866] el0_svc+0x78/0x1d0 [ 63.833997][ T5866] el0t_64_sync_handler+0xcc/0xe4 [ 63.834815][ T5866] el0t_64_sync+0x1a0/0x1a4 [ 64.004626][ T5888] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5888) [ 64.025390][ T5888] FAULT_INJECTION: forcing a failure. [ 64.025390][ T5888] name failslab, interval 1, probability 0, space 0, times 0 [ 64.028452][ T5888] CPU: 0 PID: 5888 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 64.029722][ T5888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 64.031214][ T5888] Call trace: [ 64.031733][ T5888] dump_backtrace+0x0/0x458 [ 64.032463][ T5888] show_stack+0x2c/0x3c [ 64.033091][ T5888] __dump_stack+0x30/0x40 [ 64.033768][ T5888] dump_stack_lvl+0xf4/0x15c [ 64.034553][ T5888] dump_stack+0x1c/0x5c [ 64.035187][ T5888] should_fail+0x3bc/0x514 [ 64.035874][ T5888] __should_failslab+0xbc/0x10c [ 64.036566][ T5888] should_failslab+0x10/0x28 [ 64.037268][ T5888] slab_pre_alloc_hook+0x64/0xe8 [ 64.038106][ T5888] kmem_cache_alloc+0x94/0x3d4 [ 64.038867][ T5888] start_transaction+0x4d0/0x13ec [ 64.039693][ T5888] btrfs_attach_transaction_barrier+0x30/0xac [ 64.040664][ T5888] btrfs_sync_fs+0x13c/0xb24 [ 64.041397][ T5888] sync_filesystem+0x1a0/0x218 [ 64.042235][ T5888] btrfs_remount+0x198/0x12b0 [ 64.043040][ T5888] legacy_reconfigure+0xf8/0x110 [ 64.043899][ T5888] reconfigure_super+0x1d4/0x6f4 [ 64.044708][ T5888] path_mount+0xc88/0x1008 [ 64.045435][ T5888] __arm64_sys_mount+0x514/0x5f0 [ 64.046216][ T5888] invoke_syscall+0x98/0x2b0 [ 64.047028][ T5888] el0_svc_common+0x138/0x258 [ 64.047805][ T5888] do_el0_svc+0x58/0x13c [ 64.048548][ T5888] el0_svc+0x78/0x1d0 [ 64.049214][ T5888] el0t_64_sync_handler+0xcc/0xe4 [ 64.050088][ T5888] el0t_64_sync+0x1a0/0x1a4 [ 64.217459][ T5910] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5910) [ 64.233352][ T5910] FAULT_INJECTION: forcing a failure. [ 64.233352][ T5910] name failslab, interval 1, probability 0, space 0, times 0 [ 64.235352][ T5910] CPU: 1 PID: 5910 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 64.236911][ T5910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 64.238542][ T5910] Call trace: [ 64.239120][ T5910] dump_backtrace+0x0/0x458 [ 64.239828][ T5910] show_stack+0x2c/0x3c [ 64.240493][ T5910] __dump_stack+0x30/0x40 [ 64.241230][ T5910] dump_stack_lvl+0xf4/0x15c [ 64.241954][ T5910] dump_stack+0x1c/0x5c [ 64.242627][ T5910] should_fail+0x3bc/0x514 [ 64.243346][ T5910] __should_failslab+0xbc/0x10c [ 64.244150][ T5910] should_failslab+0x10/0x28 [ 64.244901][ T5910] slab_pre_alloc_hook+0x64/0xe8 [ 64.245650][ T5910] kmem_cache_alloc+0x94/0x3d4 [ 64.246356][ T5910] start_transaction+0x4d0/0x13ec [ 64.247159][ T5910] btrfs_attach_transaction_barrier+0x30/0xac [ 64.248180][ T5910] btrfs_sync_fs+0x13c/0xb24