Warning: Permanently added '10.128.0.69' (ED25519) to the list of known hosts. 1970/01/01 00:00:45 ignoring optional flag "type"="gce" 1970/01/01 00:00:45 parsed 1 programs 1970/01/01 00:00:45 executed programs: 0 [ 45.470073][ T4251] chnl_net:caif_netlink_parms(): no params data found [ 45.497989][ T4251] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.499297][ T4251] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.500867][ T4251] device bridge_slave_0 entered promiscuous mode [ 45.503078][ T4251] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.504251][ T4251] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.505695][ T4251] device bridge_slave_1 entered promiscuous mode [ 45.515643][ T4251] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 45.518343][ T4251] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 45.527729][ T4251] team0: Port device team_slave_0 added [ 45.530489][ T4251] team0: Port device team_slave_1 added [ 45.537678][ T4251] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 45.539066][ T4251] 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. [ 45.543393][ T4251] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 45.545902][ T4251] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 45.546963][ T4251] 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. [ 45.551902][ T4251] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 45.599322][ T4251] device hsr_slave_0 entered promiscuous mode [ 45.648314][ T4251] device hsr_slave_1 entered promiscuous mode [ 46.212868][ T4251] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.249954][ T4251] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.299358][ T4251] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.329501][ T4251] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.405547][ T4251] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.406700][ T4251] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.408328][ T4251] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.409545][ T4251] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.429996][ T4251] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.434970][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.436677][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.439493][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.441598][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 46.446019][ T4251] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.450974][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.452447][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.453607][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.457505][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.459996][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.461610][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.462759][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.466361][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.470874][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.473787][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.475449][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.477019][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.483429][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.485159][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.492567][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.494465][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.497477][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.500973][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.504349][ T4251] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.551677][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.552946][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.556504][ T4251] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.563622][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.565469][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.573276][ T4251] device veth0_vlan entered promiscuous mode [ 46.576524][ T4251] device veth1_vlan entered promiscuous mode [ 46.579414][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.580941][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.582907][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.584487][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.585867][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.594782][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.596287][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.597861][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.602106][ T4251] device veth0_macvtap entered promiscuous mode [ 46.604659][ T4251] device veth1_macvtap entered promiscuous mode [ 46.610937][ T4251] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.612158][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 46.613651][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.615445][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.616995][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.622786][ T4251] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.624710][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.626367][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.628801][ T4251] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.630173][ T4251] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.631622][ T4251] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.632939][ T4251] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.790851][ T4376] loop0: detected capacity change from 0 to 32768 [ 46.795416][ T4376] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4376) [ 46.805474][ T4376] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 46.807476][ T4376] BTRFS info (device loop0): force clearing of disk cache [ 46.809603][ T4376] BTRFS info (device loop0): setting nodatasum [ 46.810988][ T4376] BTRFS info (device loop0): allowing degraded mounts [ 46.812263][ T4376] BTRFS info (device loop0): enabling disk space caching [ 46.813472][ T4376] BTRFS info (device loop0): disk space caching is enabled [ 46.814714][ T4376] BTRFS info (device loop0): has skinny extents [ 46.889256][ T4376] BTRFS info (device loop0): enabling ssd optimizations [ 46.891474][ T4376] BTRFS info (device loop0): clearing free space tree [ 46.892705][ T4376] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 46.894355][ T4376] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 46.904857][ T4376] BTRFS info (device loop0): checking UUID tree [ 46.919748][ T4376] FAULT_INJECTION: forcing a failure. [ 46.919748][ T4376] name failslab, interval 1, probability 0, space 0, times 1 [ 46.924903][ T4376] CPU: 0 PID: 4376 Comm: syz-executor.0 Not tainted syzkaller #0 [ 46.926062][ T4376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 46.927805][ T4376] Call trace: [ 46.928334][ T4376] dump_backtrace+0x0/0x458 [ 46.929132][ T4376] show_stack+0x2c/0x3c [ 46.929843][ T4376] __dump_stack+0x30/0x40 [ 46.930502][ T4376] dump_stack_lvl+0xf4/0x15c [ 46.931197][ T4376] dump_stack+0x1c/0x5c [ 46.931906][ T4376] should_fail+0x3bc/0x514 [ 46.932609][ T4376] __should_failslab+0xbc/0x10c [ 46.933369][ T4376] should_failslab+0x10/0x28 [ 46.934075][ T4376] slab_pre_alloc_hook+0x64/0xe8 [ 46.934800][ T4376] kmem_cache_alloc_trace+0x98/0x3ec [ 46.935706][ T4376] bdi_split_work_to_wbs+0x3f4/0x77c [ 46.936634][ T4376] __writeback_inodes_sb_nr+0x1ac/0x224 [ 46.937482][ T4376] writeback_inodes_sb+0x78/0x8c [ 46.938337][ T4376] sync_filesystem+0xa0/0x218 [ 46.939073][ T4376] btrfs_remount+0x198/0x12b0 [ 46.939838][ T4376] legacy_reconfigure+0xf8/0x110 [ 46.940703][ T4376] reconfigure_super+0x1d4/0x6f4 [ 46.941497][ T4376] path_mount+0xc88/0x1008 [ 46.942265][ T4376] __arm64_sys_mount+0x514/0x5f0 [ 46.943111][ T4376] invoke_syscall+0x98/0x2b0 [ 46.943864][ T4376] el0_svc_common+0x138/0x258 [ 46.944654][ T4376] do_el0_svc+0x58/0x13c [ 46.945332][ T4376] el0_svc+0x78/0x1d0 [ 46.945989][ T4376] el0t_64_sync_handler+0xcc/0xe4 [ 46.946831][ T4376] el0t_64_sync+0x1a0/0x1a4 [ 47.186570][ T4437] loop0: detected capacity change from 0 to 32768 [ 47.199373][ T4437] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4437) [ 47.206733][ T4437] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 47.212071][ T4437] BTRFS info (device loop0): force clearing of disk cache [ 47.213268][ T4437] BTRFS info (device loop0): setting nodatasum [ 47.214382][ T4437] BTRFS info (device loop0): allowing degraded mounts [ 47.215557][ T4437] BTRFS info (device loop0): enabling disk space caching [ 47.216802][ T4437] BTRFS info (device loop0): disk space caching is enabled [ 47.218078][ T4437] BTRFS info (device loop0): has skinny extents [ 47.285270][ T4437] BTRFS info (device loop0): enabling ssd optimizations [ 47.286977][ T4437] BTRFS info (device loop0): clearing free space tree [ 47.289672][ T4437] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 47.291387][ T4437] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 47.295298][ T4437] BTRFS info (device loop0): checking UUID tree [ 47.309314][ T4437] FAULT_INJECTION: forcing a failure. [ 47.309314][ T4437] name failslab, interval 1, probability 0, space 0, times 0 [ 47.311408][ T4437] CPU: 0 PID: 4437 Comm: syz-executor.0 Not tainted syzkaller #0 [ 47.312489][ T4437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 47.314018][ T4437] Call trace: [ 47.314517][ T4437] dump_backtrace+0x0/0x458 [ 47.315235][ T4437] show_stack+0x2c/0x3c [ 47.315875][ T4437] __dump_stack+0x30/0x40 [ 47.316505][ T4437] dump_stack_lvl+0xf4/0x15c [ 47.317238][ T4437] dump_stack+0x1c/0x5c [ 47.317896][ T4437] should_fail+0x3bc/0x514 [ 47.318531][ T4437] __should_failslab+0xbc/0x10c [ 47.319295][ T4437] should_failslab+0x10/0x28 [ 47.320006][ T4437] slab_pre_alloc_hook+0x64/0xe8 [ 47.320805][ T4437] kmem_cache_alloc_trace+0x98/0x3ec [ 47.321641][ T4437] bdi_split_work_to_wbs+0x3f4/0x77c [ 47.322452][ T4437] __writeback_inodes_sb_nr+0x1ac/0x224 [ 47.323295][ T4437] writeback_inodes_sb+0x78/0x8c [ 47.324087][ T4437] sync_filesystem+0xa0/0x218 [ 47.324823][ T4437] btrfs_remount+0x198/0x12b0 [ 47.325464][ T4437] legacy_reconfigure+0xf8/0x110 [ 47.326164][ T4437] reconfigure_super+0x1d4/0x6f4 [ 47.326924][ T4437] path_mount+0xc88/0x1008 [ 47.327567][ T4437] __arm64_sys_mount+0x514/0x5f0 [ 47.328332][ T4437] invoke_syscall+0x98/0x2b0 [ 47.329038][ T4437] el0_svc_common+0x138/0x258 [ 47.329748][ T4437] do_el0_svc+0x58/0x13c [ 47.330471][ T4437] el0_svc+0x78/0x1d0 [ 47.331077][ T4437] el0t_64_sync_handler+0xcc/0xe4 [ 47.331993][ T4437] el0t_64_sync+0x1a0/0x1a4 [ 47.448691][ T4504] Bluetooth: hci0: command 0x0409 tx timeout [ 47.567031][ T4513] loop0: detected capacity change from 0 to 32768 [ 47.573952][ T4513] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4513) [ 47.577865][ T4513] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 47.582575][ T4513] BTRFS info (device loop0): force clearing of disk cache [ 47.585261][ T4513] BTRFS info (device loop0): setting nodatasum [ 47.591973][ T4513] BTRFS info (device loop0): allowing degraded mounts [ 47.592951][ T4513] BTRFS info (device loop0): enabling disk space caching [ 47.594367][ T4513] BTRFS info (device loop0): disk space caching is enabled [ 47.605669][ T4513] BTRFS info (device loop0): has skinny extents [ 47.657979][ T4513] BTRFS info (device loop0): enabling ssd optimizations [ 47.660124][ T4513] BTRFS info (device loop0): clearing free space tree [ 47.661298][ T4513] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 47.662939][ T4513] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 47.669027][ T4513] BTRFS info (device loop0): checking UUID tree [ 47.672329][ T4513] FAULT_INJECTION: forcing a failure. [ 47.672329][ T4513] name failslab, interval 1, probability 0, space 0, times 0 [ 47.674382][ T4513] CPU: 0 PID: 4513 Comm: syz-executor.0 Not tainted syzkaller #0 [ 47.675576][ T4513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 47.677097][ T4513] Call trace: [ 47.677581][ T4513] dump_backtrace+0x0/0x458 [ 47.678319][ T4513] show_stack+0x2c/0x3c [ 47.679021][ T4513] __dump_stack+0x30/0x40 [ 47.679716][ T4513] dump_stack_lvl+0xf4/0x15c [ 47.680466][ T4513] dump_stack+0x1c/0x5c [ 47.681134][ T4513] should_fail+0x3bc/0x514 [ 47.681836][ T4513] __should_failslab+0xbc/0x10c [ 47.682614][ T4513] should_failslab+0x10/0x28 [ 47.683328][ T4513] slab_pre_alloc_hook+0x64/0xe8 [ 47.684084][ T4513] kmem_cache_alloc_trace+0x98/0x3ec [ 47.684972][ T4513] bdi_split_work_to_wbs+0x3f4/0x77c [ 47.685852][ T4513] __writeback_inodes_sb_nr+0x1ac/0x224 [ 47.686803][ T4513] writeback_inodes_sb+0x78/0x8c [ 47.687632][ T4513] sync_filesystem+0xa0/0x218 [ 47.688419][ T4513] btrfs_remount+0x198/0x12b0 [ 47.689190][ T4513] legacy_reconfigure+0xf8/0x110 [ 47.689997][ T4513] reconfigure_super+0x1d4/0x6f4 [ 47.690832][ T4513] path_mount+0xc88/0x1008 [ 47.691547][ T4513] __arm64_sys_mount+0x514/0x5f0 [ 47.692305][ T4513] invoke_syscall+0x98/0x2b0 [ 47.692991][ T4513] el0_svc_common+0x138/0x258 [ 47.693765][ T4513] do_el0_svc+0x58/0x13c [ 47.694501][ T4513] el0_svc+0x78/0x1d0 [ 47.695212][ T4513] el0t_64_sync_handler+0xcc/0xe4 [ 47.696093][ T4513] el0t_64_sync+0x1a0/0x1a4 [ 47.885497][ T4575] loop0: detected capacity change from 0 to 32768 [ 47.891469][ T4575] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4575) [ 47.898761][ T4575] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 47.900341][ T4575] BTRFS info (device loop0): force clearing of disk cache [ 47.904652][ T4575] BTRFS info (device loop0): setting nodatasum [ 47.905600][ T4575] BTRFS info (device loop0): allowing degraded mounts [ 47.911685][ T4575] BTRFS info (device loop0): enabling disk space caching [ 47.913060][ T4575] BTRFS info (device loop0): disk space caching is enabled [ 47.917676][ T4575] BTRFS info (device loop0): has skinny extents [ 47.983547][ T4575] BTRFS info (device loop0): enabling ssd optimizations [ 47.985391][ T4575] BTRFS info (device loop0): clearing free space tree [ 47.986568][ T4575] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 47.988666][ T4575] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 47.992944][ T4575] BTRFS info (device loop0): checking UUID tree [ 48.002039][ T4575] FAULT_INJECTION: forcing a failure. [ 48.002039][ T4575] name failslab, interval 1, probability 0, space 0, times 0 [ 48.003991][ T4575] CPU: 0 PID: 4575 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.005171][ T4575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.006583][ T4575] Call trace: [ 48.007049][ T4575] dump_backtrace+0x0/0x458 [ 48.007741][ T4575] show_stack+0x2c/0x3c [ 48.008428][ T4575] __dump_stack+0x30/0x40 [ 48.009136][ T4575] dump_stack_lvl+0xf4/0x15c [ 48.009908][ T4575] dump_stack+0x1c/0x5c [ 48.010603][ T4575] should_fail+0x3bc/0x514 [ 48.011275][ T4575] __should_failslab+0xbc/0x10c [ 48.012121][ T4575] should_failslab+0x10/0x28 [ 48.012962][ T4575] slab_pre_alloc_hook+0x64/0xe8 [ 48.013796][ T4575] kmem_cache_alloc+0x94/0x3d4 [ 48.014593][ T4575] start_transaction+0x4d0/0x13ec [ 48.015513][ T4575] btrfs_attach_transaction_barrier+0x30/0xac [ 48.016525][ T4575] btrfs_sync_fs+0x13c/0xb24 [ 48.017232][ T4575] sync_filesystem+0x1a0/0x218 [ 48.017993][ T4575] btrfs_remount+0x198/0x12b0 [ 48.018734][ T4575] legacy_reconfigure+0xf8/0x110 [ 48.019603][ T4575] reconfigure_super+0x1d4/0x6f4 [ 48.020420][ T4575] path_mount+0xc88/0x1008 [ 48.021148][ T4575] __arm64_sys_mount+0x514/0x5f0 [ 48.021936][ T4575] invoke_syscall+0x98/0x2b0 [ 48.022653][ T4575] el0_svc_common+0x138/0x258 [ 48.023424][ T4575] do_el0_svc+0x58/0x13c [ 48.024130][ T4575] el0_svc+0x78/0x1d0 [ 48.024789][ T4575] el0t_64_sync_handler+0xcc/0xe4 [ 48.025588][ T4575] el0t_64_sync+0x1a0/0x1a4 [ 48.078188][ T4252] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 11 /dev/loop0 scanned by udevd (4252) [ 48.199796][ T4623] loop0: detected capacity change from 0 to 32768 [ 48.219816][ T4623] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 48.221404][ T4623] BTRFS info (device loop0): force clearing of disk cache [ 48.222627][ T4623] BTRFS info (device loop0): setting nodatasum [ 48.223655][ T4623] BTRFS info (device loop0): allowing degraded mounts [ 48.224950][ T4623] BTRFS info (device loop0): enabling disk space caching [ 48.226189][ T4623] BTRFS info (device loop0): disk space caching is enabled [ 48.233881][ T4623] BTRFS info (device loop0): has skinny extents [ 48.274237][ T4623] BTRFS info (device loop0): enabling ssd optimizations [ 48.281251][ T4623] BTRFS info (device loop0): clearing free space tree [ 48.282546][ T4623] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 48.284130][ T4623] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 48.289555][ T4623] BTRFS info (device loop0): checking UUID tree [ 48.300038][ T4623] FAULT_INJECTION: forcing a failure. [ 48.300038][ T4623] name failslab, interval 1, probability 0, space 0, times 0 [ 48.301996][ T4623] CPU: 0 PID: 4623 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.303186][ T4623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.304760][ T4623] Call trace: [ 48.305233][ T4623] dump_backtrace+0x0/0x458 [ 48.305854][ T4623] show_stack+0x2c/0x3c [ 48.306483][ T4623] __dump_stack+0x30/0x40 [ 48.307240][ T4623] dump_stack_lvl+0xf4/0x15c [ 48.307932][ T4623] dump_stack+0x1c/0x5c [ 48.308671][ T4623] should_fail+0x3bc/0x514 [ 48.309450][ T4623] __should_failslab+0xbc/0x10c [ 48.310302][ T4623] should_failslab+0x10/0x28 [ 48.311112][ T4623] slab_pre_alloc_hook+0x64/0xe8 [ 48.312013][ T4623] kmem_cache_alloc+0x94/0x3d4 [ 48.312811][ T4623] start_transaction+0x4d0/0x13ec [ 48.313639][ T4623] btrfs_attach_transaction_barrier+0x30/0xac [ 48.314691][ T4623] btrfs_sync_fs+0x13c/0xb24 [ 48.315488][ T4623] sync_filesystem+0x1a0/0x218 [ 48.316276][ T4623] btrfs_remount+0x198/0x12b0 [ 48.317109][ T4623] legacy_reconfigure+0xf8/0x110 [ 48.317934][ T4623] reconfigure_super+0x1d4/0x6f4 [ 48.318732][ T4623] path_mount+0xc88/0x1008 [ 48.319497][ T4623] __arm64_sys_mount+0x514/0x5f0 [ 48.320321][ T4623] invoke_syscall+0x98/0x2b0 [ 48.321015][ T4623] el0_svc_common+0x138/0x258 [ 48.321819][ T4623] do_el0_svc+0x58/0x13c [ 48.322498][ T4623] el0_svc+0x78/0x1d0 [ 48.323136][ T4623] el0t_64_sync_handler+0xcc/0xe4 [ 48.323968][ T4623] el0t_64_sync+0x1a0/0x1a4 [ 48.367996][ T4252] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 11 /dev/loop0 scanned by udevd (4252) [ 48.520505][ T4667] loop0: detected capacity change from 0 to 32768 [ 48.534507][ T4667] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 48.535924][ T4667] BTRFS info (device loop0): force clearing of disk cache [ 48.537127][ T4667] BTRFS info (device loop0): setting nodatasum [ 48.538065][ T4667] BTRFS info (device loop0): allowing degraded mounts [ 48.539324][ T4667] BTRFS info (device loop0): enabling disk space caching [ 48.540460][ T4667] BTRFS info (device loop0): disk space caching is enabled [ 48.541592][ T4667] BTRFS info (device loop0): has skinny extents [ 48.585683][ T4667] BTRFS info (device loop0): enabling ssd optimizations [ 48.588516][ T4667] BTRFS info (device loop0): clearing free space tree [ 48.589643][ T4667] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 48.591358][ T4667] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 48.595703][ T4667] BTRFS info (device loop0): checking UUID tree [ 48.599349][ T4667] FAULT_INJECTION: forcing a failure. [ 48.599349][ T4667] name failslab, interval 1, probability 0, space 0, times 0 [ 48.601564][ T4667] CPU: 1 PID: 4667 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.602861][ T4667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.604691][ T4667] Call trace: [ 48.605176][ T4667] dump_backtrace+0x0/0x458 [ 48.606003][ T4667] show_stack+0x2c/0x3c [ 48.606684][ T4667] __dump_stack+0x30/0x40 [ 48.607407][ T4667] dump_stack_lvl+0xf4/0x15c [ 48.608148][ T4667] dump_stack+0x1c/0x5c [ 48.608879][ T4667] should_fail+0x3bc/0x514 [ 48.609626][ T4667] __should_failslab+0xbc/0x10c [ 48.610399][ T4667] should_failslab+0x10/0x28 [ 48.611165][ T4667] slab_pre_alloc_hook+0x64/0xe8 [ 48.612046][ T4667] kmem_cache_alloc+0x94/0x3d4 [ 48.612857][ T4667] getname_flags+0xb8/0x450 [ 48.613546][ T4667] getname+0x28/0x38 [ 48.614223][ T4667] do_sys_openat2+0xdc/0x3f4 [ 48.614911][ T4667] __arm64_sys_openat+0x118/0x14c [ 48.615739][ T4667] invoke_syscall+0x98/0x2b0 [ 48.616503][ T4667] el0_svc_common+0x138/0x258 [ 48.617325][ T4667] do_el0_svc+0x58/0x13c [ 48.618031][ T4667] el0_svc+0x78/0x1d0 [ 48.618689][ T4667] el0t_64_sync_handler+0xcc/0xe4 [ 48.619488][ T4667] el0t_64_sync+0x1a0/0x1a4 [ 48.668936][ T4252] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 11 /dev/loop0 scanned by udevd (4252) [ 48.762103][ T4710] loop0: detected capacity change from 0 to 32768 [ 48.766825][ T4710] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 48.768822][ T4710] BTRFS info (device loop0): force clearing of disk cache [ 48.769918][ T4710] BTRFS info (device loop0): setting nodatasum [ 48.770898][ T4710] BTRFS info (device loop0): allowing degraded mounts [ 48.771972][ T4710] BTRFS info (device loop0): enabling disk space caching [ 48.773191][ T4710] BTRFS info (device loop0): disk space caching is enabled [ 48.774382][ T4710] BTRFS info (device loop0): has skinny extents [ 48.782548][ T4710] BTRFS info (device loop0): enabling ssd optimizations [ 48.783994][ T4710] BTRFS info (device loop0): clearing free space tree [ 48.785045][ T4710] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 48.786497][ T4710] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 48.791031][ T4710] BTRFS info (device loop0): checking UUID tree [ 48.794351][ T4710] FAULT_INJECTION: forcing a failure. [ 48.794351][ T4710] name failslab, interval 1, probability 0, space 0, times 0 [ 48.796384][ T4710] CPU: 1 PID: 4710 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.797603][ T4710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.799296][ T4710] Call trace: [ 48.799835][ T4710] dump_backtrace+0x0/0x458 [ 48.800577][ T4710] show_stack+0x2c/0x3c [ 48.801273][ T4710] __dump_stack+0x30/0x40 [ 48.802045][ T4710] dump_stack_lvl+0xf4/0x15c [ 48.802767][ T4710] dump_stack+0x1c/0x5c [ 48.803398][ T4710] should_fail+0x3bc/0x514 [ 48.804036][ T4710] __should_failslab+0xbc/0x10c [ 48.804737][ T4710] should_failslab+0x10/0x28 [ 48.805434][ T4710] slab_pre_alloc_hook+0x64/0xe8 [ 48.806177][ T4710] __kmalloc_node+0xb8/0x508 [ 48.806861][ T4710] memcg_alloc_page_obj_cgroups+0x80/0x170 [ 48.807854][ T4710] slab_post_alloc_hook+0xb8/0x3f8 [ 48.808705][ T4710] kmem_cache_alloc_trace+0x1dc/0x3ec [ 48.809641][ T4710] legacy_init_fs_context+0x5c/0xc8 [ 48.810481][ T4710] alloc_fs_context+0x550/0x7c4 [ 48.811270][ T4710] fs_context_for_reconfigure+0x7c/0x94 [ 48.812178][ T4710] path_mount+0xbb8/0x1008 [ 48.812859][ T4710] __arm64_sys_mount+0x514/0x5f0 [ 48.813568][ T4710] invoke_syscall+0x98/0x2b0 [ 48.814251][ T4710] el0_svc_common+0x138/0x258 [ 48.814986][ T4710] do_el0_svc+0x58/0x13c [ 48.815686][ T4710] el0_svc+0x78/0x1d0 [ 48.816298][ T4710] el0t_64_sync_handler+0xcc/0xe4 [ 48.817047][ T4710] el0t_64_sync+0x1a0/0x1a4 [ 48.989721][ T4741] loop0: detected capacity change from 0 to 32768 [ 48.994822][ T4741] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4741) [ 49.000481][ T4741] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 49.001935][ T4741] BTRFS info (device loop0): force clearing of disk cache [ 49.003177][ T4741] BTRFS info (device loop0): setting nodatasum [ 49.004191][ T4741] BTRFS info (device loop0): allowing degraded mounts [ 49.005357][ T4741] BTRFS info (device loop0): enabling disk space caching [ 49.006590][ T4741] BTRFS info (device loop0): disk space caching is enabled [ 49.007755][ T4741] BTRFS info (device loop0): has skinny extents [ 49.025765][ T4741] BTRFS info (device loop0): enabling ssd optimizations [ 49.027322][ T4741] BTRFS info (device loop0): clearing free space tree [ 49.029296][ T4741] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 49.030902][ T4741] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 49.034411][ T4741] BTRFS info (device loop0): checking UUID tree [ 49.036717][ T4741] FAULT_INJECTION: forcing a failure. [ 49.036717][ T4741] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 49.039603][ T4741] CPU: 1 PID: 4741 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.040770][ T4741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.042556][ T4741] Call trace: [ 49.043134][ T4741] dump_backtrace+0x0/0x458 [ 49.043856][ T4741] show_stack+0x2c/0x3c [ 49.044503][ T4741] __dump_stack+0x30/0x40 [ 49.045235][ T4741] dump_stack_lvl+0xf4/0x15c [ 49.046050][ T4741] dump_stack+0x1c/0x5c [ 49.046685][ T4741] should_fail+0x3bc/0x514 [ 49.047399][ T4741] should_fail_alloc_page+0x74/0xa8 [ 49.048243][ T4741] prepare_alloc_pages+0x160/0x45c [ 49.049008][ T4741] __alloc_pages+0x108/0x470 [ 49.049742][ T4741] new_slab+0xcc/0x544 [ 49.050380][ T4741] ___slab_alloc+0x6b4/0xd8c [ 49.051055][ T4741] __slab_alloc+0x68/0xc0 [ 49.051729][ T4741] __kmalloc_node+0x300/0x508 [ 49.052484][ T4741] memcg_alloc_page_obj_cgroups+0x80/0x170 [ 49.053363][ T4741] slab_post_alloc_hook+0xb8/0x3f8 [ 49.054182][ T4741] kmem_cache_alloc_trace+0x1dc/0x3ec [ 49.055140][ T4741] alloc_fs_context+0x7c/0x7c4 [ 49.055967][ T4741] fs_context_for_reconfigure+0x7c/0x94 [ 49.056917][ T4741] path_mount+0xbb8/0x1008 [ 49.057697][ T4741] __arm64_sys_mount+0x514/0x5f0 [ 49.058510][ T4741] invoke_syscall+0x98/0x2b0 [ 49.059283][ T4741] el0_svc_common+0x138/0x258 [ 49.060115][ T4741] do_el0_svc+0x58/0x13c [ 49.060820][ T4741] el0_svc+0x78/0x1d0 [ 49.061460][ T4741] el0t_64_sync_handler+0xcc/0xe4 [ 49.062241][ T4741] el0t_64_sync+0x1a0/0x1a4 [ 49.249410][ T4763] loop0: detected capacity change from 0 to 32768 [ 49.252320][ T4763] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4763) [ 49.257296][ T4763] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 49.259286][ T4763] BTRFS info (device loop0): force clearing of disk cache [ 49.260504][ T4763] BTRFS info (device loop0): setting nodatasum [ 49.261434][ T4763] BTRFS info (device loop0): allowing degraded mounts [ 49.279576][ T4763] FAULT_INJECTION: forcing a failure. [ 49.279576][ T4763] name failslab, interval 1, probability 0, space 0, times 0 [ 49.281528][ T4763] CPU: 0 PID: 4763 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.282700][ T4763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.284227][ T4763] Call trace: [ 49.284751][ T4763] dump_backtrace+0x0/0x458 [ 49.285410][ T4763] show_stack+0x2c/0x3c [ 49.286179][ T4763] __dump_stack+0x30/0x40 [ 49.286888][ T4763] dump_stack_lvl+0xf4/0x15c [ 49.287612][ T4763] dump_stack+0x1c/0x5c [ 49.288361][ T4763] should_fail+0x3bc/0x514 [ 49.289097][ T4763] __should_failslab+0xbc/0x10c [ 49.289919][ T4763] should_failslab+0x10/0x28 [ 49.290795][ T4763] slab_pre_alloc_hook+0x64/0xe8 [ 49.291595][ T4763] kmem_cache_alloc_trace+0x98/0x3ec [ 49.292474][ T4763] bdi_split_work_to_wbs+0x3f4/0x77c [ 49.293322][ T4763] __writeback_inodes_sb_nr+0x1ac/0x224 [ 49.294199][ T4763] writeback_inodes_sb+0x78/0x8c [ 49.295014][ T4763] sync_filesystem+0xa0/0x218 [ 49.295872][ T4763] btrfs_remount+0x198/0x12b0 [ 49.296620][ T4763] legacy_reconfigure+0xf8/0x110 [ 49.297418][ T4763] reconfigure_super+0x1d4/0x6f4 [ 49.298251][ T4763] path_mount+0xc88/0x1008 [ 49.298988][ T4763] __arm64_sys_mount+0x514/0x5f0 [ 49.299786][ T4763] invoke_syscall+0x98/0x2b0 [ 49.300537][ T4763] el0_svc_common+0x138/0x258 [ 49.301352][ T4763] do_el0_svc+0x58/0x13c [ 49.302067][ T4763] el0_svc+0x78/0x1d0 [ 49.302711][ T4763] el0t_64_sync_handler+0xcc/0xe4 [ 49.303529][ T4763] el0t_64_sync+0x1a0/0x1a4 [ 49.489038][ T4785] loop0: detected capacity change from 0 to 32768 [ 49.491380][ T4785] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4785) [ 49.517885][ T4785] FAULT_INJECTION: forcing a failure. [ 49.517885][ T4785] name failslab, interval 1, probability 0, space 0, times 0 [ 49.520624][ T4785] CPU: 0 PID: 4785 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.521964][ T4785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.523787][ T4785] Call trace: [ 49.524333][ T4785] dump_backtrace+0x0/0x458 [ 49.525090][ T4785] show_stack+0x2c/0x3c [ 49.525765][ T4785] __dump_stack+0x30/0x40 [ 49.526505][ T4785] dump_stack_lvl+0xf4/0x15c [ 49.527206][ T4785] dump_stack+0x1c/0x5c [ 49.527926][ T4785] should_fail+0x3bc/0x514 [ 49.528656][ T4785] __should_failslab+0xbc/0x10c [ 49.529440][ T4785] should_failslab+0x10/0x28 [ 49.530152][ T4785] slab_pre_alloc_hook+0x64/0xe8 [ 49.530931][ T4785] kmem_cache_alloc+0x94/0x3d4 [ 49.531681][ T4785] start_transaction+0x4d0/0x13ec [ 49.532550][ T4785] btrfs_attach_transaction_barrier+0x30/0xac [ 49.533604][ T4785] btrfs_sync_fs+0x13c/0xb24 [ 49.534365][ T4785] sync_filesystem+0x1a0/0x218 [ 49.535220][ T4785] btrfs_remount+0x198/0x12b0 [ 49.535965][ T4785] legacy_reconfigure+0xf8/0x110 [ 49.536734][ T4785] reconfigure_super+0x1d4/0x6f4 [ 49.537545][ T4785] path_mount+0xc88/0x1008 [ 49.538272][ T4785] __arm64_sys_mount+0x514/0x5f0 [ 49.539205][ T4785] invoke_syscall+0x98/0x2b0 [ 49.539961][ T4785] el0_svc_common+0x138/0x258 [ 49.540719][ T4785] do_el0_svc+0x58/0x13c [ 49.541375][ T4785] el0_svc+0x78/0x1d0 [ 49.542029][ T4785] el0t_64_sync_handler+0xcc/0xe4 [ 49.542876][ T4785] el0t_64_sync+0x1a0/0x1a4 [ 49.548881][ T4564] Bluetooth: hci0: command 0x041b tx timeout [ 49.746312][ T4807] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4807) [ 49.772344][ T4807] FAULT_INJECTION: forcing a failure. [ 49.772344][ T4807] name failslab, interval 1, probability 0, space 0, times 0 [ 49.774524][ T4807] CPU: 1 PID: 4807 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.775793][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.777373][ T4807] Call trace: [ 49.777934][ T4807] dump_backtrace+0x0/0x458 [ 49.778655][ T4807] show_stack+0x2c/0x3c [ 49.779353][ T4807] __dump_stack+0x30/0x40 [ 49.780094][ T4807] dump_stack_lvl+0xf4/0x15c [ 49.780832][ T4807] dump_stack+0x1c/0x5c [ 49.781485][ T4807] should_fail+0x3bc/0x514 [ 49.782191][ T4807] __should_failslab+0xbc/0x10c [ 49.782995][ T4807] should_failslab+0x10/0x28 [ 49.783756][ T4807] slab_pre_alloc_hook+0x64/0xe8 [ 49.784569][ T4807] kmem_cache_alloc_trace+0x98/0x3ec [ 49.785493][ T4807] bdi_split_work_to_wbs+0x3f4/0x77c [ 49.786360][ T4807] __writeback_inodes_sb_nr+0x1ac/0x224 [ 49.787350][ T4807] writeback_inodes_sb+0x78/0x8c [ 49.788197][ T4807] sync_filesystem+0xa0/0x218 [ 49.788943][ T4807] btrfs_remount+0x198/0x12b0 [ 49.789711][ T4807] legacy_reconfigure+0xf8/0x110 [ 49.790513][ T4807] reconfigure_super+0x1d4/0x6f4 [ 49.791326][ T4807] path_mount+0xc88/0x1008 [ 49.792058][ T4807] __arm64_sys_mount+0x514/0x5f0 [ 49.792865][ T4807] invoke_syscall+0x98/0x2b0 [ 49.793608][ T4807] el0_svc_common+0x138/0x258 [ 49.794329][ T4807] do_el0_svc+0x58/0x13c [ 49.795045][ T4807] el0_svc+0x78/0x1d0 [ 49.795672][ T4807] el0t_64_sync_handler+0xcc/0xe4 [ 49.796498][ T4807] el0t_64_sync+0x1a0/0x1a4 [ 49.991864][ T4829] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4829) [ 50.008317][ T4829] FAULT_INJECTION: forcing a failure. [ 50.008317][ T4829] name failslab, interval 1, probability 0, space 0, times 0 [ 50.010316][ T4829] CPU: 1 PID: 4829 Comm: syz-executor.0 Not tainted syzkaller #0 [ 50.011503][ T4829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.013161][ T4829] Call trace: [ 50.013681][ T4829] dump_backtrace+0x0/0x458 [ 50.014374][ T4829] show_stack+0x2c/0x3c [ 50.015013][ T4829] __dump_stack+0x30/0x40 [ 50.015685][ T4829] dump_stack_lvl+0xf4/0x15c [ 50.016328][ T4829] dump_stack+0x1c/0x5c [ 50.016957][ T4829] should_fail+0x3bc/0x514 [ 50.017611][ T4829] __should_failslab+0xbc/0x10c [ 50.018341][ T4829] should_failslab+0x10/0x28 [ 50.019124][ T4829] slab_pre_alloc_hook+0x64/0xe8 [ 50.020023][ T4829] kmem_cache_alloc+0x94/0x3d4 [ 50.020773][ T4829] btrfs_alloc_path+0x5c/0x68 [ 50.021557][ T4829] __btrfs_run_delayed_items+0x88/0x46c [ 50.022440][ T4829] btrfs_run_delayed_items+0x24/0x34 [ 50.023267][ T4829] btrfs_commit_transaction+0x7e0/0x3078 [ 50.024162][ T4829] btrfs_sync_fs+0x628/0xb24 [ 50.024880][ T4829] sync_filesystem+0x1a0/0x218 [ 50.025574][ T4829] btrfs_remount+0x198/0x12b0 [ 50.026303][ T4829] legacy_reconfigure+0xf8/0x110 [ 50.027121][ T4829] reconfigure_super+0x1d4/0x6f4 [ 50.027893][ T4829] path_mount+0xc88/0x1008 [ 50.028700][ T4829] __arm64_sys_mount+0x514/0x5f0 [ 50.029519][ T4829] invoke_syscall+0x98/0x2b0 [ 50.030270][ T4829] el0_svc_common+0x138/0x258 [ 50.030961][ T4829] do_el0_svc+0x58/0x13c [ 50.031685][ T4829] el0_svc+0x78/0x1d0 [ 50.032344][ T4829] el0t_64_sync_handler+0xcc/0xe4 [ 50.033193][ T4829] el0t_64_sync+0x1a0/0x1a4 [ 50.036573][ T4829] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 50.037862][ T4829] ------------[ cut here ]------------ [ 50.039341][ T4829] WARNING: CPU: 1 PID: 4829 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 50.041104][ T4829] Modules linked in: [ 50.041781][ T4829] CPU: 1 PID: 4829 Comm: syz-executor.0 Not tainted syzkaller #0 [ 50.043049][ T4829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.044639][ T4829] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.045991][ T4829] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 50.046948][ T4829] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 50.047962][ T4829] sp : ffff8000205975a0 [ 50.048717][ T4829] x29: ffff8000205977e0 x28: ffff7000040b2ecc x27: 1fffe000190b922d [ 50.050128][ T4829] x26: ffff0000d9275000 x25: 00000000fffffff4 x24: ffff0000c85c9168 [ 50.051487][ T4829] x23: ffff0000de852688 x22: ffff0000de852630 x21: ffff0000c9da4000 [ 50.052827][ T4829] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 50.054193][ T4829] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 50.055440][ T4829] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 50.056863][ T4829] x11: 0000000000000000 x10: 0000000000000000 x9 : 9a12432ed9da1900 [ 50.058172][ T4829] x8 : 9a12432ed9da1900 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.059439][ T4829] x5 : ffff800020596eb8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 50.060706][ T4829] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.061879][ T4829] Call trace: [ 50.062362][ T4829] btrfs_commit_transaction+0x1ddc/0x3078 [ 50.063219][ T4829] btrfs_sync_fs+0x628/0xb24 [ 50.063977][ T4829] sync_filesystem+0x1a0/0x218 [ 50.064707][ T4829] btrfs_remount+0x198/0x12b0 [ 50.065416][ T4829] legacy_reconfigure+0xf8/0x110 [ 50.066238][ T4829] reconfigure_super+0x1d4/0x6f4 [ 50.067102][ T4829] path_mount+0xc88/0x1008 [ 50.067857][ T4829] __arm64_sys_mount+0x514/0x5f0 [ 50.068610][ T4829] invoke_syscall+0x98/0x2b0 [ 50.069354][ T4829] el0_svc_common+0x138/0x258 [ 50.070107][ T4829] do_el0_svc+0x58/0x13c [ 50.070774][ T4829] el0_svc+0x78/0x1d0 [ 50.071427][ T4829] el0t_64_sync_handler+0xcc/0xe4 [ 50.072297][ T4829] el0t_64_sync+0x1a0/0x1a4 [ 50.073071][ T4829] irq event stamp: 81218 [ 50.073765][ T4829] hardirqs last enabled at (81217): [] __up_console_sem+0xb4/0xfc [ 50.075286][ T4829] hardirqs last disabled at (81218): [] el1_dbg+0x24/0x80 [ 50.076787][ T4829] softirqs last enabled at (81206): [] handle_softirqs+0xa40/0xbe4 [ 50.078328][ T4829] softirqs last disabled at (81109): [] __irq_exit_rcu+0x240/0x43c [ 50.079948][ T4829] ---[ end trace 74b403455e3cd769 ]--- [ 50.081734][ T4829] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 50.083510][ T4829] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 50.295467][ T4851] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4851) [ 50.315356][ T4851] FAULT_INJECTION: forcing a failure. [ 50.315356][ T4851] name failslab, interval 1, probability 0, space 0, times 0 [ 50.317523][ T4851] CPU: 0 PID: 4851 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.319049][ T4851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.320822][ T4851] Call trace: [ 50.321347][ T4851] dump_backtrace+0x0/0x458 [ 50.322128][ T4851] show_stack+0x2c/0x3c [ 50.322876][ T4851] __dump_stack+0x30/0x40 [ 50.323635][ T4851] dump_stack_lvl+0xf4/0x15c [ 50.324420][ T4851] dump_stack+0x1c/0x5c [ 50.325138][ T4851] should_fail+0x3bc/0x514 [ 50.325864][ T4851] __should_failslab+0xbc/0x10c [ 50.326615][ T4851] should_failslab+0x10/0x28 [ 50.327370][ T4851] slab_pre_alloc_hook+0x64/0xe8 [ 50.328178][ T4851] kmem_cache_alloc+0x94/0x3d4 [ 50.329043][ T4851] getname_flags+0xb8/0x450 [ 50.330074][ T4851] getname+0x28/0x38 [ 50.330680][ T4851] do_sys_openat2+0xdc/0x3f4 [ 50.331401][ T4851] __arm64_sys_openat+0x118/0x14c [ 50.332283][ T4851] invoke_syscall+0x98/0x2b0 [ 50.333050][ T4851] el0_svc_common+0x138/0x258 [ 50.333852][ T4851] do_el0_svc+0x58/0x13c [ 50.334564][ T4851] el0_svc+0x78/0x1d0 [ 50.335237][ T4851] el0t_64_sync_handler+0xcc/0xe4 [ 50.336033][ T4851] el0t_64_sync+0x1a0/0x1a4 [ 50.522868][ T4873] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4873) [ 50.541596][ T4873] FAULT_INJECTION: forcing a failure. [ 50.541596][ T4873] name failslab, interval 1, probability 0, space 0, times 0 [ 50.543562][ T4873] CPU: 0 PID: 4873 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.544975][ T4873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.546614][ T4873] Call trace: [ 50.547131][ T4873] dump_backtrace+0x0/0x458 [ 50.547846][ T4873] show_stack+0x2c/0x3c [ 50.548647][ T4873] __dump_stack+0x30/0x40 [ 50.549406][ T4873] dump_stack_lvl+0xf4/0x15c [ 50.550166][ T4873] dump_stack+0x1c/0x5c [ 50.550815][ T4873] should_fail+0x3bc/0x514 [ 50.551532][ T4873] __should_failslab+0xbc/0x10c [ 50.552348][ T4873] should_failslab+0x10/0x28 [ 50.553068][ T4873] slab_pre_alloc_hook+0x64/0xe8 [ 50.553926][ T4873] kmem_cache_alloc+0x94/0x3d4 [ 50.554788][ T4873] btrfs_alloc_path+0x5c/0x68 [ 50.555651][ T4873] __btrfs_run_delayed_items+0x88/0x46c [ 50.556613][ T4873] btrfs_run_delayed_items+0x24/0x34 [ 50.557418][ T4873] btrfs_commit_transaction+0x7e0/0x3078 [ 50.558293][ T4873] btrfs_sync_fs+0x628/0xb24 [ 50.558966][ T4873] sync_filesystem+0x1a0/0x218 [ 50.559721][ T4873] btrfs_remount+0x198/0x12b0 [ 50.560473][ T4873] legacy_reconfigure+0xf8/0x110 [ 50.561254][ T4873] reconfigure_super+0x1d4/0x6f4 [ 50.562024][ T4873] path_mount+0xc88/0x1008 [ 50.562790][ T4873] __arm64_sys_mount+0x514/0x5f0 [ 50.563574][ T4873] invoke_syscall+0x98/0x2b0 [ 50.564348][ T4873] el0_svc_common+0x138/0x258 [ 50.565119][ T4873] do_el0_svc+0x58/0x13c [ 50.565817][ T4873] el0_svc+0x78/0x1d0 [ 50.566433][ T4873] el0t_64_sync_handler+0xcc/0xe4 [ 50.567260][ T4873] el0t_64_sync+0x1a0/0x1a4 [ 50.569000][ T4873] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 50.570251][ T4873] ------------[ cut here ]------------ [ 50.571315][ T4873] WARNING: CPU: 0 PID: 4873 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 50.572990][ T4873] Modules linked in: [ 50.573584][ T4873] CPU: 0 PID: 4873 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.574943][ T4873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.576595][ T4873] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.577962][ T4873] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 50.578942][ T4873] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 50.579909][ T4873] sp : ffff8000207e75a0 [ 50.580564][ T4873] x29: ffff8000207e77e0 x28: ffff7000040fcecc x27: 1fffe000183a98fd [ 50.581911][ T4873] x26: ffff0000c1a8c000 x25: 00000000fffffff4 x24: ffff0000c1d4c7e8 [ 50.583274][ T4873] x23: ffff0000dd2c2268 x22: ffff0000dd2c2210 x21: ffff0000cf3d8000 [ 50.584556][ T4873] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 50.585876][ T4873] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 50.587281][ T4873] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 50.588517][ T4873] x11: 0000000000000000 x10: 0000000000000000 x9 : 8956df1bbb09e300 [ 50.589916][ T4873] x8 : 8956df1bbb09e300 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.591224][ T4873] x5 : ffff8000207e6eb8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 50.592441][ T4873] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.593738][ T4873] Call trace: [ 50.594301][ T4873] btrfs_commit_transaction+0x1ddc/0x3078 [ 50.595261][ T4873] btrfs_sync_fs+0x628/0xb24 [ 50.595997][ T4873] sync_filesystem+0x1a0/0x218 [ 50.596697][ T4873] btrfs_remount+0x198/0x12b0 [ 50.597416][ T4873] legacy_reconfigure+0xf8/0x110 [ 50.598156][ T4873] reconfigure_super+0x1d4/0x6f4 [ 50.599004][ T4873] path_mount+0xc88/0x1008 [ 50.599763][ T4873] __arm64_sys_mount+0x514/0x5f0 [ 50.600563][ T4873] invoke_syscall+0x98/0x2b0 [ 50.601312][ T4873] el0_svc_common+0x138/0x258 [ 50.602093][ T4873] do_el0_svc+0x58/0x13c [ 50.602771][ T4873] el0_svc+0x78/0x1d0 [ 50.603434][ T4873] el0t_64_sync_handler+0xcc/0xe4 [ 50.604354][ T4873] el0t_64_sync+0x1a0/0x1a4 [ 50.605091][ T4873] irq event stamp: 80816 [ 50.605742][ T4873] hardirqs last enabled at (80815): [] __up_console_sem+0xb4/0xfc [ 50.607248][ T4873] hardirqs last disabled at (80816): [] el1_dbg+0x24/0x80 [ 50.608467][ T4873] softirqs last enabled at (80786): [] handle_softirqs+0xa40/0xbe4 [ 50.609936][ T4873] softirqs last disabled at (80669): [] __irq_exit_rcu+0x240/0x43c [ 50.611371][ T4873] ---[ end trace 74b403455e3cd76a ]--- [ 50.613387][ T4873] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 50.615036][ T4873] BTRFS error (device loop0): Remounting read-write after error is not allowed 1970/01/01 00:00:50 executed programs: 14 [ 50.790450][ T4896] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4896) [ 50.809808][ T4896] FAULT_INJECTION: forcing a failure. [ 50.809808][ T4896] name failslab, interval 1, probability 0, space 0, times 0 [ 50.811836][ T4896] CPU: 1 PID: 4896 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.813263][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.814790][ T4896] Call trace: [ 50.815265][ T4896] dump_backtrace+0x0/0x458 [ 50.815933][ T4896] show_stack+0x2c/0x3c [ 50.816634][ T4896] __dump_stack+0x30/0x40 [ 50.817273][ T4896] dump_stack_lvl+0xf4/0x15c [ 50.818040][ T4896] dump_stack+0x1c/0x5c [ 50.818773][ T4896] should_fail+0x3bc/0x514 [ 50.819513][ T4896] __should_failslab+0xbc/0x10c [ 50.820291][ T4896] should_failslab+0x10/0x28 [ 50.821002][ T4896] slab_pre_alloc_hook+0x64/0xe8 [ 50.821844][ T4896] kmem_cache_alloc+0x94/0x3d4 [ 50.822638][ T4896] btrfs_alloc_path+0x5c/0x68 [ 50.823326][ T4896] __btrfs_run_delayed_items+0x88/0x46c [ 50.824239][ T4896] btrfs_run_delayed_items+0x24/0x34 [ 50.825097][ T4896] btrfs_commit_transaction+0x7e0/0x3078 [ 50.826074][ T4896] btrfs_sync_fs+0x628/0xb24 [ 50.826829][ T4896] sync_filesystem+0x1a0/0x218 [ 50.827622][ T4896] btrfs_remount+0x198/0x12b0 [ 50.828405][ T4896] legacy_reconfigure+0xf8/0x110 [ 50.829168][ T4896] reconfigure_super+0x1d4/0x6f4 [ 50.829980][ T4896] path_mount+0xc88/0x1008 [ 50.830771][ T4896] __arm64_sys_mount+0x514/0x5f0 [ 50.831563][ T4896] invoke_syscall+0x98/0x2b0 [ 50.832329][ T4896] el0_svc_common+0x138/0x258 [ 50.833101][ T4896] do_el0_svc+0x58/0x13c [ 50.833795][ T4896] el0_svc+0x78/0x1d0 [ 50.834446][ T4896] el0t_64_sync_handler+0xcc/0xe4 [ 50.835302][ T4896] el0t_64_sync+0x1a0/0x1a4 [ 50.836260][ T4896] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 50.837649][ T4896] ------------[ cut here ]------------ [ 50.838790][ T4896] WARNING: CPU: 1 PID: 4896 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 50.840423][ T4896] Modules linked in: [ 50.840992][ T4896] CPU: 1 PID: 4896 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.842572][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.844080][ T4896] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.845418][ T4896] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 50.846421][ T4896] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 50.847470][ T4896] sp : ffff8000203675a0 [ 50.848146][ T4896] x29: ffff8000203677e0 x28: ffff70000406cecc x27: 1fffe0001bc3822d [ 50.849481][ T4896] x26: ffff0000c1a89000 x25: 00000000fffffff4 x24: ffff0000de1c1168 [ 50.850808][ T4896] x23: ffff0000de852738 x22: ffff0000de8526e0 x21: ffff0000cf3d8000 [ 50.852132][ T4896] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 50.853477][ T4896] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 50.854823][ T4896] x14: 0000000000000001 x13: 1ffff0000406cdd4 x12: 0000000000ff0100 [ 50.856065][ T4896] x11: 0000000000000000 x10: 0000000000000000 x9 : 18469488459e7b00 [ 50.857362][ T4896] x8 : 18469488459e7b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.858714][ T4896] x5 : ffff800020366eb8 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 50.860100][ T4896] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.861424][ T4896] Call trace: [ 50.861961][ T4896] btrfs_commit_transaction+0x1ddc/0x3078 [ 50.862916][ T4896] btrfs_sync_fs+0x628/0xb24 [ 50.863624][ T4896] sync_filesystem+0x1a0/0x218 [ 50.864455][ T4896] btrfs_remount+0x198/0x12b0 [ 50.865209][ T4896] legacy_reconfigure+0xf8/0x110 [ 50.865997][ T4896] reconfigure_super+0x1d4/0x6f4 [ 50.866736][ T4896] path_mount+0xc88/0x1008 [ 50.867411][ T4896] __arm64_sys_mount+0x514/0x5f0 [ 50.868165][ T4896] invoke_syscall+0x98/0x2b0 [ 50.868838][ T4896] el0_svc_common+0x138/0x258 [ 50.869515][ T4896] do_el0_svc+0x58/0x13c [ 50.870174][ T4896] el0_svc+0x78/0x1d0 [ 50.870805][ T4896] el0t_64_sync_handler+0xcc/0xe4 [ 50.871589][ T4896] el0t_64_sync+0x1a0/0x1a4 [ 50.872272][ T4896] irq event stamp: 79706 [ 50.872960][ T4896] hardirqs last enabled at (79705): [] __up_console_sem+0xb4/0xfc [ 50.874452][ T4896] hardirqs last disabled at (79706): [] el1_dbg+0x24/0x80 [ 50.875904][ T4896] softirqs last enabled at (79696): [] handle_softirqs+0xa40/0xbe4 [ 50.877352][ T4896] softirqs last disabled at (79625): [] __irq_exit_rcu+0x240/0x43c [ 50.878820][ T4896] ---[ end trace 74b403455e3cd76b ]--- [ 50.879811][ T4896] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 50.881439][ T4896] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 51.078634][ T4918] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4918) [ 51.099411][ T4918] FAULT_INJECTION: forcing a failure. [ 51.099411][ T4918] name failslab, interval 1, probability 0, space 0, times 0 [ 51.101508][ T4918] CPU: 0 PID: 4918 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.103109][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.104918][ T4918] Call trace: [ 51.105515][ T4918] dump_backtrace+0x0/0x458 [ 51.106271][ T4918] show_stack+0x2c/0x3c [ 51.106976][ T4918] __dump_stack+0x30/0x40 [ 51.107672][ T4918] dump_stack_lvl+0xf4/0x15c [ 51.108501][ T4918] dump_stack+0x1c/0x5c [ 51.109192][ T4918] should_fail+0x3bc/0x514 [ 51.109919][ T4918] __should_failslab+0xbc/0x10c [ 51.110773][ T4918] should_failslab+0x10/0x28 [ 51.111569][ T4918] slab_pre_alloc_hook+0x64/0xe8 [ 51.112436][ T4918] kmem_cache_alloc+0x94/0x3d4 [ 51.113220][ T4918] btrfs_alloc_path+0x5c/0x68 [ 51.114107][ T4918] __btrfs_run_delayed_items+0x88/0x46c [ 51.115086][ T4918] btrfs_run_delayed_items+0x24/0x34 [ 51.116015][ T4918] btrfs_commit_transaction+0x7e0/0x3078 [ 51.116976][ T4918] btrfs_sync_fs+0x628/0xb24 [ 51.117697][ T4918] sync_filesystem+0x1a0/0x218 [ 51.118506][ T4918] btrfs_remount+0x198/0x12b0 [ 51.119297][ T4918] legacy_reconfigure+0xf8/0x110 [ 51.120155][ T4918] reconfigure_super+0x1d4/0x6f4 [ 51.121016][ T4918] path_mount+0xc88/0x1008 [ 51.121715][ T4918] __arm64_sys_mount+0x514/0x5f0 [ 51.122556][ T4918] invoke_syscall+0x98/0x2b0 [ 51.123339][ T4918] el0_svc_common+0x138/0x258 [ 51.124104][ T4918] do_el0_svc+0x58/0x13c [ 51.124766][ T4918] el0_svc+0x78/0x1d0 [ 51.125383][ T4918] el0t_64_sync_handler+0xcc/0xe4 [ 51.126220][ T4918] el0t_64_sync+0x1a0/0x1a4 [ 51.127646][ T4918] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 51.129213][ T4918] ------------[ cut here ]------------ [ 51.130135][ T4918] WARNING: CPU: 0 PID: 4918 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 51.132027][ T4918] Modules linked in: [ 51.132657][ T4918] CPU: 0 PID: 4918 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.134175][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.135742][ T4918] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.137047][ T4918] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 51.138148][ T4918] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 51.139161][ T4918] sp : ffff8000203675a0 [ 51.139851][ T4918] x29: ffff8000203677e0 x28: ffff70000406cecc x27: 1fffe00018419c65 [ 51.141240][ T4918] x26: ffff0000db662000 x25: 00000000fffffff4 x24: ffff0000c20ce328 [ 51.142582][ T4918] x23: ffff0000dd2c25d8 x22: ffff0000dd2c2580 x21: ffff0000dabb8000 [ 51.143922][ T4918] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 51.145259][ T4918] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 51.146622][ T4918] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 51.147919][ T4918] x11: 0000000000000000 x10: 0000000000000000 x9 : 6c5ca3f7fcd58900 [ 51.149249][ T4918] x8 : 6c5ca3f7fcd58900 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.150544][ T4918] x5 : ffff800020366eb8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 51.151835][ T4918] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.153090][ T4918] Call trace: [ 51.153633][ T4918] btrfs_commit_transaction+0x1ddc/0x3078 [ 51.154537][ T4918] btrfs_sync_fs+0x628/0xb24 [ 51.155364][ T4918] sync_filesystem+0x1a0/0x218 [ 51.156227][ T4918] btrfs_remount+0x198/0x12b0 [ 51.156999][ T4918] legacy_reconfigure+0xf8/0x110 [ 51.157849][ T4918] reconfigure_super+0x1d4/0x6f4 [ 51.158716][ T4918] path_mount+0xc88/0x1008 [ 51.159475][ T4918] __arm64_sys_mount+0x514/0x5f0 [ 51.160292][ T4918] invoke_syscall+0x98/0x2b0 [ 51.161032][ T4918] el0_svc_common+0x138/0x258 [ 51.161767][ T4918] do_el0_svc+0x58/0x13c [ 51.162515][ T4918] el0_svc+0x78/0x1d0 [ 51.163171][ T4918] el0t_64_sync_handler+0xcc/0xe4 [ 51.164006][ T4918] el0t_64_sync+0x1a0/0x1a4 [ 51.164745][ T4918] irq event stamp: 79936 [ 51.165373][ T4918] hardirqs last enabled at (79935): [] __up_console_sem+0xb4/0xfc [ 51.166842][ T4918] hardirqs last disabled at (79936): [] el1_dbg+0x24/0x80 [ 51.168181][ T4918] softirqs last enabled at (79916): [] handle_softirqs+0xa40/0xbe4 [ 51.169711][ T4918] softirqs last disabled at (79887): [] __irq_exit_rcu+0x240/0x43c [ 51.171175][ T4918] ---[ end trace 74b403455e3cd76c ]--- [ 51.172307][ T4918] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 51.173839][ T4918] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 51.355596][ T4940] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4940) [ 51.379271][ T4940] FAULT_INJECTION: forcing a failure. [ 51.379271][ T4940] name failslab, interval 1, probability 0, space 0, times 0 [ 51.381312][ T4940] CPU: 0 PID: 4940 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.382697][ T4940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.384178][ T4940] Call trace: [ 51.384663][ T4940] dump_backtrace+0x0/0x458 [ 51.385395][ T4940] show_stack+0x2c/0x3c [ 51.386039][ T4940] __dump_stack+0x30/0x40 [ 51.386706][ T4940] dump_stack_lvl+0xf4/0x15c [ 51.387327][ T4940] dump_stack+0x1c/0x5c [ 51.387994][ T4940] should_fail+0x3bc/0x514 [ 51.388716][ T4940] __should_failslab+0xbc/0x10c [ 51.389508][ T4940] should_failslab+0x10/0x28 [ 51.390267][ T4940] slab_pre_alloc_hook+0x64/0xe8 [ 51.391039][ T4940] kmem_cache_alloc+0x94/0x3d4 [ 51.391869][ T4940] start_transaction+0x4d0/0x13ec [ 51.392674][ T4940] btrfs_attach_transaction_barrier+0x30/0xac [ 51.393689][ T4940] btrfs_sync_fs+0x13c/0xb24 [ 51.394504][ T4940] sync_filesystem+0x1a0/0x218 [ 51.395352][ T4940] btrfs_remount+0x198/0x12b0 [ 51.396164][ T4940] legacy_reconfigure+0xf8/0x110 [ 51.397015][ T4940] reconfigure_super+0x1d4/0x6f4 [ 51.397871][ T4940] path_mount+0xc88/0x1008 [ 51.398651][ T4940] __arm64_sys_mount+0x514/0x5f0 [ 51.399497][ T4940] invoke_syscall+0x98/0x2b0 [ 51.400325][ T4940] el0_svc_common+0x138/0x258 [ 51.401137][ T4940] do_el0_svc+0x58/0x13c [ 51.401800][ T4940] el0_svc+0x78/0x1d0 [ 51.402436][ T4940] el0t_64_sync_handler+0xcc/0xe4 [ 51.403266][ T4940] el0t_64_sync+0x1a0/0x1a4 [ 51.585126][ T4962] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4962) [ 51.609033][ T4564] Bluetooth: hci0: command 0x040f tx timeout [ 51.619809][ T4962] FAULT_INJECTION: forcing a failure. [ 51.619809][ T4962] name failslab, interval 1, probability 0, space 0, times 0 [ 51.621870][ T4962] CPU: 1 PID: 4962 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.623454][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.624955][ T4962] Call trace: [ 51.625438][ T4962] dump_backtrace+0x0/0x458 [ 51.626182][ T4962] show_stack+0x2c/0x3c [ 51.626921][ T4962] __dump_stack+0x30/0x40 [ 51.627689][ T4962] dump_stack_lvl+0xf4/0x15c [ 51.628454][ T4962] dump_stack+0x1c/0x5c [ 51.629134][ T4962] should_fail+0x3bc/0x514 [ 51.629806][ T4962] __should_failslab+0xbc/0x10c [ 51.630593][ T4962] should_failslab+0x10/0x28 [ 51.631408][ T4962] slab_pre_alloc_hook+0x64/0xe8 [ 51.632218][ T4962] kmem_cache_alloc+0x94/0x3d4 [ 51.632931][ T4962] start_transaction+0x4d0/0x13ec [ 51.633680][ T4962] btrfs_attach_transaction_barrier+0x30/0xac [ 51.634711][ T4962] btrfs_sync_fs+0x13c/0xb24 [ 51.635455][ T4962] sync_filesystem+0x1a0/0x218 [ 51.636230][ T4962] btrfs_remount+0x198/0x12b0 [ 51.636959][ T4962] legacy_reconfigure+0xf8/0x110 [ 51.637771][ T4962] reconfigure_super+0x1d4/0x6f4 [ 51.638570][ T4962] path_mount+0xc88/0x1008 [ 51.639276][ T4962] __arm64_sys_mount+0x514/0x5f0 [ 51.640063][ T4962] invoke_syscall+0x98/0x2b0 [ 51.640725][ T4962] el0_svc_common+0x138/0x258 [ 51.641461][ T4962] do_el0_svc+0x58/0x13c [ 51.642158][ T4962] el0_svc+0x78/0x1d0 [ 51.642811][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 51.643585][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 51.826179][ T4984] set_capacity_and_notify: 8 callbacks suppressed [ 51.826188][ T4984] loop0: detected capacity change from 0 to 32768 [ 51.830625][ T4984] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4984) [ 51.835498][ T4984] btrfs_printk: 120 callbacks suppressed [ 51.835506][ T4984] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 51.837789][ T4984] BTRFS info (device loop0): force clearing of disk cache [ 51.839031][ T4984] BTRFS info (device loop0): setting nodatasum [ 51.840172][ T4984] BTRFS info (device loop0): allowing degraded mounts [ 51.841290][ T4984] BTRFS info (device loop0): enabling disk space caching [ 51.842444][ T4984] BTRFS info (device loop0): disk space caching is enabled [ 51.843548][ T4984] BTRFS info (device loop0): has skinny extents [ 51.854370][ T4984] BTRFS info (device loop0): enabling ssd optimizations [ 51.856155][ T4984] BTRFS info (device loop0): clearing free space tree [ 51.857275][ T4984] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 51.859896][ T4984] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 51.863562][ T4984] BTRFS info (device loop0): checking UUID tree [ 51.866248][ T4984] FAULT_INJECTION: forcing a failure. [ 51.866248][ T4984] name failslab, interval 1, probability 0, space 0, times 0 [ 51.868866][ T4984] CPU: 0 PID: 4984 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.870274][ T4984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.871918][ T4984] Call trace: [ 51.872429][ T4984] dump_backtrace+0x0/0x458 [ 51.873149][ T4984] show_stack+0x2c/0x3c [ 51.873705][ T4984] __dump_stack+0x30/0x40 [ 51.874401][ T4984] dump_stack_lvl+0xf4/0x15c [ 51.875278][ T4984] dump_stack+0x1c/0x5c [ 51.876079][ T4984] should_fail+0x3bc/0x514 [ 51.876917][ T4984] __should_failslab+0xbc/0x10c [ 51.877796][ T4984] should_failslab+0x10/0x28 [ 51.878513][ T4984] slab_pre_alloc_hook+0x64/0xe8 [ 51.879261][ T4984] kmem_cache_alloc+0x94/0x3d4 [ 51.880020][ T4984] getname_flags+0xb8/0x450 [ 51.880678][ T4984] getname+0x28/0x38 [ 51.881345][ T4984] do_sys_openat2+0xdc/0x3f4 [ 51.882127][ T4984] __arm64_sys_openat+0x118/0x14c [ 51.883002][ T4984] invoke_syscall+0x98/0x2b0 [ 51.883766][ T4984] el0_svc_common+0x138/0x258 [ 51.884517][ T4984] do_el0_svc+0x58/0x13c [ 51.885206][ T4984] el0_svc+0x78/0x1d0 [ 51.885916][ T4984] el0t_64_sync_handler+0xcc/0xe4 [ 51.886686][ T4984] el0t_64_sync+0x1a0/0x1a4 [ 52.087661][ T5006] loop0: detected capacity change from 0 to 32768 [ 52.091109][ T5006] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5006) [ 52.101394][ T5006] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 52.102882][ T5006] BTRFS info (device loop0): force clearing of disk cache [ 52.104085][ T5006] BTRFS info (device loop0): setting nodatasum [ 52.105192][ T5006] BTRFS info (device loop0): allowing degraded mounts [ 52.106301][ T5006] BTRFS info (device loop0): enabling disk space caching [ 52.107459][ T5006] BTRFS info (device loop0): disk space caching is enabled [ 52.108754][ T5006] BTRFS info (device loop0): has skinny extents [ 52.127153][ T5006] BTRFS info (device loop0): enabling ssd optimizations [ 52.129084][ T5006] BTRFS info (device loop0): clearing free space tree [ 52.130267][ T5006] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 52.131912][ T5006] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 52.135629][ T5006] BTRFS info (device loop0): checking UUID tree [ 52.139114][ T5006] FAULT_INJECTION: forcing a failure. [ 52.139114][ T5006] name failslab, interval 1, probability 0, space 0, times 0 [ 52.141312][ T5006] CPU: 1 PID: 5006 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.142767][ T5006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.144416][ T5006] Call trace: [ 52.144964][ T5006] dump_backtrace+0x0/0x458 [ 52.145677][ T5006] show_stack+0x2c/0x3c [ 52.146389][ T5006] __dump_stack+0x30/0x40 [ 52.147108][ T5006] dump_stack_lvl+0xf4/0x15c [ 52.147864][ T5006] dump_stack+0x1c/0x5c [ 52.148526][ T5006] should_fail+0x3bc/0x514 [ 52.149221][ T5006] __should_failslab+0xbc/0x10c [ 52.150077][ T5006] should_failslab+0x10/0x28 [ 52.150844][ T5006] slab_pre_alloc_hook+0x64/0xe8 [ 52.151620][ T5006] kmem_cache_alloc+0x94/0x3d4 [ 52.152376][ T5006] start_transaction+0x4d0/0x13ec [ 52.153137][ T5006] btrfs_attach_transaction_barrier+0x30/0xac [ 52.154154][ T5006] btrfs_sync_fs+0x13c/0xb24 [ 52.154856][ T5006] sync_filesystem+0x1a0/0x218 [ 52.155594][ T5006] btrfs_remount+0x198/0x12b0 [ 52.156383][ T5006] legacy_reconfigure+0xf8/0x110 [ 52.157244][ T5006] reconfigure_super+0x1d4/0x6f4 [ 52.158073][ T5006] path_mount+0xc88/0x1008 [ 52.158872][ T5006] __arm64_sys_mount+0x514/0x5f0 [ 52.159714][ T5006] invoke_syscall+0x98/0x2b0 [ 52.160478][ T5006] el0_svc_common+0x138/0x258 [ 52.161283][ T5006] do_el0_svc+0x58/0x13c [ 52.162005][ T5006] el0_svc+0x78/0x1d0 [ 52.162669][ T5006] el0t_64_sync_handler+0xcc/0xe4 [ 52.163551][ T5006] el0t_64_sync+0x1a0/0x1a4 [ 52.340163][ T5028] loop0: detected capacity change from 0 to 32768 [ 52.342891][ T5028] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5028) [ 52.347218][ T5028] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 52.349260][ T5028] BTRFS info (device loop0): force clearing of disk cache [ 52.350524][ T5028] BTRFS info (device loop0): setting nodatasum [ 52.351652][ T5028] BTRFS info (device loop0): allowing degraded mounts [ 52.352811][ T5028] BTRFS info (device loop0): enabling disk space caching [ 52.353967][ T5028] BTRFS info (device loop0): disk space caching is enabled [ 52.355121][ T5028] BTRFS info (device loop0): has skinny extents [ 52.363698][ T5028] BTRFS info (device loop0): enabling ssd optimizations [ 52.365228][ T5028] BTRFS info (device loop0): clearing free space tree [ 52.366427][ T5028] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 52.368248][ T5028] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 52.371610][ T5028] BTRFS info (device loop0): checking UUID tree [ 52.374386][ T5028] FAULT_INJECTION: forcing a failure. [ 52.374386][ T5028] name failslab, interval 1, probability 0, space 0, times 0 [ 52.376602][ T5028] CPU: 0 PID: 5028 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.378110][ T5028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.379884][ T5028] Call trace: [ 52.380420][ T5028] dump_backtrace+0x0/0x458 [ 52.381148][ T5028] show_stack+0x2c/0x3c [ 52.381802][ T5028] __dump_stack+0x30/0x40 [ 52.382512][ T5028] dump_stack_lvl+0xf4/0x15c [ 52.383307][ T5028] dump_stack+0x1c/0x5c [ 52.384009][ T5028] should_fail+0x3bc/0x514 [ 52.384783][ T5028] __should_failslab+0xbc/0x10c [ 52.385576][ T5028] should_failslab+0x10/0x28 [ 52.386297][ T5028] slab_pre_alloc_hook+0x64/0xe8 [ 52.387143][ T5028] kmem_cache_alloc+0x94/0x3d4 [ 52.387967][ T5028] start_transaction+0x4d0/0x13ec [ 52.388822][ T5028] btrfs_attach_transaction_barrier+0x30/0xac [ 52.389916][ T5028] btrfs_sync_fs+0x13c/0xb24 [ 52.390694][ T5028] sync_filesystem+0x1a0/0x218 [ 52.391545][ T5028] btrfs_remount+0x198/0x12b0 [ 52.392457][ T5028] legacy_reconfigure+0xf8/0x110 [ 52.393279][ T5028] reconfigure_super+0x1d4/0x6f4 [ 52.394096][ T5028] path_mount+0xc88/0x1008 [ 52.394843][ T5028] __arm64_sys_mount+0x514/0x5f0 [ 52.395696][ T5028] invoke_syscall+0x98/0x2b0 [ 52.396471][ T5028] el0_svc_common+0x138/0x258 [ 52.397219][ T5028] do_el0_svc+0x58/0x13c [ 52.397911][ T5028] el0_svc+0x78/0x1d0 [ 52.398528][ T5028] el0t_64_sync_handler+0xcc/0xe4 [ 52.399431][ T5028] el0t_64_sync+0x1a0/0x1a4 [ 52.600756][ T5050] loop0: detected capacity change from 0 to 32768 [ 52.603264][ T5050] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5050) [ 52.606644][ T5050] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 52.608455][ T5050] BTRFS info (device loop0): force clearing of disk cache [ 52.609673][ T5050] BTRFS info (device loop0): setting nodatasum [ 52.610796][ T5050] BTRFS info (device loop0): allowing degraded mounts [ 52.611816][ T5050] BTRFS info (device loop0): enabling disk space caching [ 52.613138][ T5050] BTRFS info (device loop0): disk space caching is enabled [ 52.614553][ T5050] BTRFS info (device loop0): has skinny extents [ 52.622879][ T5050] BTRFS info (device loop0): enabling ssd optimizations [ 52.624393][ T5050] BTRFS info (device loop0): clearing free space tree [ 52.625522][ T5050] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 52.627199][ T5050] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 52.630717][ T5050] BTRFS info (device loop0): checking UUID tree [ 52.632984][ T5050] FAULT_INJECTION: forcing a failure. [ 52.632984][ T5050] name failslab, interval 1, probability 0, space 0, times 0 [ 52.634954][ T5050] CPU: 0 PID: 5050 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.636338][ T5050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.637963][ T5050] Call trace: [ 52.638530][ T5050] dump_backtrace+0x0/0x458 [ 52.639285][ T5050] show_stack+0x2c/0x3c [ 52.639976][ T5050] __dump_stack+0x30/0x40 [ 52.640719][ T5050] dump_stack_lvl+0xf4/0x15c [ 52.641514][ T5050] dump_stack+0x1c/0x5c [ 52.642222][ T5050] should_fail+0x3bc/0x514 [ 52.642930][ T5050] __should_failslab+0xbc/0x10c [ 52.643814][ T5050] should_failslab+0x10/0x28 [ 52.644546][ T5050] slab_pre_alloc_hook+0x64/0xe8 [ 52.645266][ T5050] kmem_cache_alloc+0x94/0x3d4 [ 52.646020][ T5050] start_transaction+0x4d0/0x13ec [ 52.646850][ T5050] btrfs_attach_transaction_barrier+0x30/0xac [ 52.647798][ T5050] btrfs_sync_fs+0x13c/0xb24 [ 52.648580][ T5050] sync_filesystem+0x1a0/0x218 [ 52.649337][ T5050] btrfs_remount+0x198/0x12b0 [ 52.650088][ T5050] legacy_reconfigure+0xf8/0x110 [ 52.650911][ T5050] reconfigure_super+0x1d4/0x6f4 [ 52.651740][ T5050] path_mount+0xc88/0x1008 [ 52.652413][ T5050] __arm64_sys_mount+0x514/0x5f0 [ 52.653307][ T5050] invoke_syscall+0x98/0x2b0 [ 52.654067][ T5050] el0_svc_common+0x138/0x258 [ 52.654852][ T5050] do_el0_svc+0x58/0x13c [ 52.655572][ T5050] el0_svc+0x78/0x1d0 [ 52.656286][ T5050] el0t_64_sync_handler+0xcc/0xe4 [ 52.657150][ T5050] el0t_64_sync+0x1a0/0x1a4 [ 52.858286][ T5072] loop0: detected capacity change from 0 to 32768 [ 52.862114][ T5072] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5072) [ 52.867141][ T5072] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 52.869008][ T5072] BTRFS info (device loop0): force clearing of disk cache [ 52.870233][ T5072] BTRFS info (device loop0): setting nodatasum [ 52.871179][ T5072] BTRFS info (device loop0): allowing degraded mounts [ 52.872366][ T5072] BTRFS info (device loop0): enabling disk space caching [ 52.873621][ T5072] BTRFS info (device loop0): disk space caching is enabled [ 52.874812][ T5072] BTRFS info (device loop0): has skinny extents [ 52.891057][ T5072] BTRFS info (device loop0): enabling ssd optimizations [ 52.892726][ T5072] BTRFS info (device loop0): clearing free space tree [ 52.893824][ T5072] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 52.895518][ T5072] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 52.899726][ T5072] BTRFS info (device loop0): checking UUID tree [ 52.905948][ T5072] FAULT_INJECTION: forcing a failure. [ 52.905948][ T5072] name failslab, interval 1, probability 0, space 0, times 0 [ 52.908649][ T5072] CPU: 0 PID: 5072 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.910043][ T5072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.911667][ T5072] Call trace: [ 52.912222][ T5072] dump_backtrace+0x0/0x458 [ 52.913008][ T5072] show_stack+0x2c/0x3c [ 52.913750][ T5072] __dump_stack+0x30/0x40 [ 52.914439][ T5072] dump_stack_lvl+0xf4/0x15c [ 52.915230][ T5072] dump_stack+0x1c/0x5c [ 52.915924][ T5072] should_fail+0x3bc/0x514 [ 52.916662][ T5072] __should_failslab+0xbc/0x10c [ 52.917491][ T5072] should_failslab+0x10/0x28 [ 52.918285][ T5072] slab_pre_alloc_hook+0x64/0xe8 [ 52.919088][ T5072] kmem_cache_alloc+0x94/0x3d4 [ 52.919890][ T5072] btrfs_alloc_path+0x5c/0x68 [ 52.920825][ T5072] __btrfs_run_delayed_items+0x88/0x46c [ 52.921830][ T5072] btrfs_run_delayed_items+0x24/0x34 [ 52.922683][ T5072] btrfs_commit_transaction+0x7e0/0x3078 [ 52.923667][ T5072] btrfs_sync_fs+0x628/0xb24 [ 52.924419][ T5072] sync_filesystem+0x1a0/0x218 [ 52.925186][ T5072] btrfs_remount+0x198/0x12b0 [ 52.925969][ T5072] legacy_reconfigure+0xf8/0x110 [ 52.926705][ T5072] reconfigure_super+0x1d4/0x6f4 [ 52.927551][ T5072] path_mount+0xc88/0x1008 [ 52.928299][ T5072] __arm64_sys_mount+0x514/0x5f0 [ 52.929193][ T5072] invoke_syscall+0x98/0x2b0 [ 52.929952][ T5072] el0_svc_common+0x138/0x258 [ 52.930732][ T5072] do_el0_svc+0x58/0x13c [ 52.931431][ T5072] el0_svc+0x78/0x1d0 [ 52.932096][ T5072] el0t_64_sync_handler+0xcc/0xe4 [ 52.932932][ T5072] el0t_64_sync+0x1a0/0x1a4 [ 52.935417][ T5072] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 52.936805][ T5072] ------------[ cut here ]------------ [ 52.937669][ T5072] WARNING: CPU: 0 PID: 5072 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 52.939391][ T5072] Modules linked in: [ 52.939993][ T5072] CPU: 0 PID: 5072 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.941509][ T5072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.943197][ T5072] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.944393][ T5072] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 52.945343][ T5072] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 52.946277][ T5072] sp : ffff8000215b75a0 [ 52.946925][ T5072] x29: ffff8000215b77e0 x28: ffff7000042b6ecc x27: 1fffe000190568fd [ 52.948232][ T5072] x26: ffff0000d0121000 x25: 00000000fffffff4 x24: ffff0000c82b47e8 [ 52.949542][ T5072] x23: ffff0000de943318 x22: ffff0000de9432c0 x21: ffff0000cdd44000 [ 52.950829][ T5072] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 52.952214][ T5072] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 52.953586][ T5072] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 52.954843][ T5072] x11: 0000000000000000 x10: 0000000000000000 x9 : fdff0f59a523e800 [ 52.956256][ T5072] x8 : fdff0f59a523e800 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.957550][ T5072] x5 : ffff8000215b6eb8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 52.958836][ T5072] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.960054][ T5072] Call trace: [ 52.960573][ T5072] btrfs_commit_transaction+0x1ddc/0x3078 [ 52.961436][ T5072] btrfs_sync_fs+0x628/0xb24 [ 52.962108][ T5072] sync_filesystem+0x1a0/0x218 [ 52.962872][ T5072] btrfs_remount+0x198/0x12b0 [ 52.963617][ T5072] legacy_reconfigure+0xf8/0x110 [ 52.964370][ T5072] reconfigure_super+0x1d4/0x6f4 [ 52.965111][ T5072] path_mount+0xc88/0x1008 [ 52.965799][ T5072] __arm64_sys_mount+0x514/0x5f0 [ 52.966525][ T5072] invoke_syscall+0x98/0x2b0 [ 52.967306][ T5072] el0_svc_common+0x138/0x258 [ 52.968114][ T5072] do_el0_svc+0x58/0x13c [ 52.968769][ T5072] el0_svc+0x78/0x1d0 [ 52.969422][ T5072] el0t_64_sync_handler+0xcc/0xe4 [ 52.970273][ T5072] el0t_64_sync+0x1a0/0x1a4 [ 52.971061][ T5072] irq event stamp: 80902 [ 52.971785][ T5072] hardirqs last enabled at (80901): [] __up_console_sem+0xb4/0xfc [ 52.973310][ T5072] hardirqs last disabled at (80902): [] el1_dbg+0x24/0x80 [ 52.974718][ T5072] softirqs last enabled at (80868): [] handle_softirqs+0xa40/0xbe4 [ 52.976268][ T5072] softirqs last disabled at (80765): [] __irq_exit_rcu+0x240/0x43c [ 52.977758][ T5072] ---[ end trace 74b403455e3cd76d ]--- [ 52.979970][ T5072] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 52.981613][ T5072] BTRFS info (device loop0): forced readonly [ 52.982661][ T5072] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 53.187960][ T5094] loop0: detected capacity change from 0 to 32768 [ 53.190834][ T5094] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5094) [ 53.194083][ T5094] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 53.195601][ T5094] BTRFS info (device loop0): force clearing of disk cache [ 53.196736][ T5094] BTRFS info (device loop0): setting nodatasum [ 53.197710][ T5094] BTRFS info (device loop0): allowing degraded mounts [ 53.198978][ T5094] BTRFS info (device loop0): enabling disk space caching [ 53.200168][ T5094] BTRFS info (device loop0): disk space caching is enabled [ 53.201419][ T5094] BTRFS info (device loop0): has skinny extents [ 53.210265][ T5094] BTRFS info (device loop0): enabling ssd optimizations [ 53.212007][ T5094] BTRFS info (device loop0): clearing free space tree [ 53.213313][ T5094] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 53.215022][ T5094] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 53.218994][ T5094] BTRFS info (device loop0): checking UUID tree [ 53.221645][ T5094] FAULT_INJECTION: forcing a failure. [ 53.221645][ T5094] name failslab, interval 1, probability 0, space 0, times 0 [ 53.223746][ T5094] CPU: 0 PID: 5094 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.225320][ T5094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.226998][ T5094] Call trace: [ 53.227496][ T5094] dump_backtrace+0x0/0x458 [ 53.228275][ T5094] show_stack+0x2c/0x3c [ 53.229011][ T5094] __dump_stack+0x30/0x40 [ 53.229643][ T5094] dump_stack_lvl+0xf4/0x15c [ 53.230321][ T5094] dump_stack+0x1c/0x5c [ 53.230937][ T5094] should_fail+0x3bc/0x514 [ 53.231615][ T5094] __should_failslab+0xbc/0x10c [ 53.232454][ T5094] should_failslab+0x10/0x28 [ 53.233267][ T5094] slab_pre_alloc_hook+0x64/0xe8 [ 53.234103][ T5094] kmem_cache_alloc+0x94/0x3d4 [ 53.234864][ T5094] start_transaction+0x4d0/0x13ec [ 53.235639][ T5094] btrfs_attach_transaction_barrier+0x30/0xac [ 53.236681][ T5094] btrfs_sync_fs+0x13c/0xb24 [ 53.237437][ T5094] sync_filesystem+0x1a0/0x218 [ 53.238216][ T5094] btrfs_remount+0x198/0x12b0 [ 53.238981][ T5094] legacy_reconfigure+0xf8/0x110 [ 53.239784][ T5094] reconfigure_super+0x1d4/0x6f4 [ 53.240581][ T5094] path_mount+0xc88/0x1008 [ 53.241279][ T5094] __arm64_sys_mount+0x514/0x5f0 [ 53.242157][ T5094] invoke_syscall+0x98/0x2b0 [ 53.242997][ T5094] el0_svc_common+0x138/0x258 [ 53.243801][ T5094] do_el0_svc+0x58/0x13c [ 53.244567][ T5094] el0_svc+0x78/0x1d0 [ 53.245276][ T5094] el0t_64_sync_handler+0xcc/0xe4 [ 53.246185][ T5094] el0t_64_sync+0x1a0/0x1a4 [ 53.392539][ T5116] loop0: detected capacity change from 0 to 32768 [ 53.395408][ T5116] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5116) [ 53.398846][ T5116] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 53.400362][ T5116] BTRFS info (device loop0): force clearing of disk cache [ 53.401669][ T5116] BTRFS info (device loop0): setting nodatasum [ 53.402840][ T5116] BTRFS info (device loop0): allowing degraded mounts [ 53.403954][ T5116] BTRFS info (device loop0): enabling disk space caching [ 53.405313][ T5116] BTRFS info (device loop0): disk space caching is enabled [ 53.406622][ T5116] BTRFS info (device loop0): has skinny extents [ 53.423859][ T5116] BTRFS info (device loop0): enabling ssd optimizations [ 53.425318][ T5116] BTRFS info (device loop0): clearing free space tree [ 53.426404][ T5116] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 53.428697][ T5116] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 53.432501][ T5116] BTRFS info (device loop0): checking UUID tree [ 53.435119][ T5116] FAULT_INJECTION: forcing a failure. [ 53.435119][ T5116] name failslab, interval 1, probability 0, space 0, times 0 [ 53.437134][ T5116] CPU: 0 PID: 5116 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.438507][ T5116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.440074][ T5116] Call trace: [ 53.440582][ T5116] dump_backtrace+0x0/0x458 [ 53.441336][ T5116] show_stack+0x2c/0x3c [ 53.442008][ T5116] __dump_stack+0x30/0x40 [ 53.442728][ T5116] dump_stack_lvl+0xf4/0x15c [ 53.443437][ T5116] dump_stack+0x1c/0x5c [ 53.444115][ T5116] should_fail+0x3bc/0x514 [ 53.444820][ T5116] __should_failslab+0xbc/0x10c [ 53.445639][ T5116] should_failslab+0x10/0x28 [ 53.446397][ T5116] slab_pre_alloc_hook+0x64/0xe8 [ 53.447268][ T5116] kmem_cache_alloc_trace+0x98/0x3ec [ 53.448089][ T5116] bdi_split_work_to_wbs+0x3f4/0x77c [ 53.448978][ T5116] __writeback_inodes_sb_nr+0x1ac/0x224 [ 53.449966][ T5116] writeback_inodes_sb+0x78/0x8c [ 53.450783][ T5116] sync_filesystem+0xa0/0x218 [ 53.451577][ T5116] btrfs_remount+0x198/0x12b0 [ 53.452378][ T5116] legacy_reconfigure+0xf8/0x110 [ 53.453185][ T5116] reconfigure_super+0x1d4/0x6f4 [ 53.453972][ T5116] path_mount+0xc88/0x1008 [ 53.454668][ T5116] __arm64_sys_mount+0x514/0x5f0 [ 53.455528][ T5116] invoke_syscall+0x98/0x2b0 [ 53.456316][ T5116] el0_svc_common+0x138/0x258 [ 53.457096][ T5116] do_el0_svc+0x58/0x13c [ 53.457843][ T5116] el0_svc+0x78/0x1d0 [ 53.458483][ T5116] el0t_64_sync_handler+0xcc/0xe4 [ 53.459284][ T5116] el0t_64_sync+0x1a0/0x1a4 [ 53.647762][ T5138] loop0: detected capacity change from 0 to 32768 [ 53.652373][ T5138] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5138) [ 53.655929][ T5138] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 53.657434][ T5138] BTRFS info (device loop0): force clearing of disk cache [ 53.659055][ T5138] BTRFS info (device loop0): setting nodatasum [ 53.660033][ T5138] BTRFS info (device loop0): allowing degraded mounts [ 53.661364][ T5138] BTRFS info (device loop0): enabling disk space caching [ 53.662635][ T5138] BTRFS info (device loop0): disk space caching is enabled [ 53.664038][ T5138] BTRFS info (device loop0): has skinny extents [ 53.679514][ T5138] BTRFS info (device loop0): enabling ssd optimizations [ 53.681136][ T5138] BTRFS info (device loop0): clearing free space tree [ 53.682396][ T5138] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 53.684035][ T5138] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 53.687405][ T5138] BTRFS info (device loop0): checking UUID tree [ 53.688726][ T25] Bluetooth: hci0: command 0x0419 tx timeout [ 53.691864][ T5138] FAULT_INJECTION: forcing a failure. [ 53.691864][ T5138] name failslab, interval 1, probability 0, space 0, times 0 [ 53.694100][ T5138] CPU: 1 PID: 5138 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.695586][ T5138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.697420][ T5138] Call trace: [ 53.697970][ T5138] dump_backtrace+0x0/0x458 [ 53.698729][ T5138] show_stack+0x2c/0x3c [ 53.699468][ T5138] __dump_stack+0x30/0x40 [ 53.700147][ T5138] dump_stack_lvl+0xf4/0x15c [ 53.700909][ T5138] dump_stack+0x1c/0x5c [ 53.701645][ T5138] should_fail+0x3bc/0x514 [ 53.702342][ T5138] __should_failslab+0xbc/0x10c [ 53.703078][ T5138] should_failslab+0x10/0x28 [ 53.703781][ T5138] slab_pre_alloc_hook+0x64/0xe8 [ 53.704510][ T5138] kmem_cache_alloc+0x94/0x3d4 [ 53.705226][ T5138] start_transaction+0x4d0/0x13ec [ 53.705970][ T5138] btrfs_attach_transaction_barrier+0x30/0xac [ 53.706912][ T5138] btrfs_sync_fs+0x13c/0xb24 [ 53.707686][ T5138] sync_filesystem+0x1a0/0x218 [ 53.708464][ T5138] btrfs_remount+0x198/0x12b0 [ 53.709252][ T5138] legacy_reconfigure+0xf8/0x110 [ 53.710025][ T5138] reconfigure_super+0x1d4/0x6f4 [ 53.710863][ T5138] path_mount+0xc88/0x1008 [ 53.711557][ T5138] __arm64_sys_mount+0x514/0x5f0 [ 53.712381][ T5138] invoke_syscall+0x98/0x2b0 [ 53.713155][ T5138] el0_svc_common+0x138/0x258 [ 53.713954][ T5138] do_el0_svc+0x58/0x13c [ 53.714663][ T5138] el0_svc+0x78/0x1d0 [ 53.715349][ T5138] el0t_64_sync_handler+0xcc/0xe4 [ 53.716248][ T5138] el0t_64_sync+0x1a0/0x1a4 [ 53.906303][ T5160] loop0: detected capacity change from 0 to 32768 [ 53.909373][ T5160] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5160) [ 53.914130][ T5160] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 53.915698][ T5160] BTRFS info (device loop0): force clearing of disk cache [ 53.917051][ T5160] BTRFS info (device loop0): setting nodatasum [ 53.933946][ T5160] FAULT_INJECTION: forcing a failure. [ 53.933946][ T5160] name failslab, interval 1, probability 0, space 0, times 0 [ 53.936111][ T5160] CPU: 1 PID: 5160 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.937705][ T5160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.939451][ T5160] Call trace: [ 53.940004][ T5160] dump_backtrace+0x0/0x458 [ 53.940787][ T5160] show_stack+0x2c/0x3c [ 53.941548][ T5160] __dump_stack+0x30/0x40 [ 53.942274][ T5160] dump_stack_lvl+0xf4/0x15c [ 53.943028][ T5160] dump_stack+0x1c/0x5c [ 53.943740][ T5160] should_fail+0x3bc/0x514 [ 53.944441][ T5160] __should_failslab+0xbc/0x10c [ 53.945271][ T5160] should_failslab+0x10/0x28 [ 53.946081][ T5160] slab_pre_alloc_hook+0x64/0xe8 [ 53.946951][ T5160] kmem_cache_alloc+0x94/0x3d4 [ 53.947787][ T5160] btrfs_alloc_path+0x5c/0x68 [ 53.948578][ T5160] __btrfs_run_delayed_items+0x88/0x46c [ 53.949480][ T5160] btrfs_run_delayed_items+0x24/0x34 [ 53.950353][ T5160] btrfs_commit_transaction+0x7e0/0x3078 [ 53.951336][ T5160] btrfs_sync_fs+0x628/0xb24 [ 53.952102][ T5160] sync_filesystem+0x1a0/0x218 [ 53.952895][ T5160] btrfs_remount+0x198/0x12b0 [ 53.953599][ T5160] legacy_reconfigure+0xf8/0x110 [ 53.954657][ T5160] reconfigure_super+0x1d4/0x6f4 [ 53.955588][ T5160] path_mount+0xc88/0x1008 [ 53.956415][ T5160] __arm64_sys_mount+0x514/0x5f0 [ 53.957251][ T5160] invoke_syscall+0x98/0x2b0 [ 53.957999][ T5160] el0_svc_common+0x138/0x258 [ 53.958798][ T5160] do_el0_svc+0x58/0x13c [ 53.959543][ T5160] el0_svc+0x78/0x1d0 [ 53.960205][ T5160] el0t_64_sync_handler+0xcc/0xe4 [ 53.960966][ T5160] el0t_64_sync+0x1a0/0x1a4 [ 53.962248][ T5160] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 53.963953][ T5160] ------------[ cut here ]------------ [ 53.964868][ T5160] WARNING: CPU: 1 PID: 5160 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 53.966567][ T5160] Modules linked in: [ 53.967221][ T5160] CPU: 1 PID: 5160 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.968572][ T5160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.970174][ T5160] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.971508][ T5160] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 53.972551][ T5160] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 53.973599][ T5160] sp : ffff8000219475a0 [ 53.974275][ T5160] x29: ffff8000219477e0 x28: ffff700004328ecc x27: 1fffe0001aa758fd [ 53.975596][ T5160] x26: ffff0000c7e8e000 x25: 00000000fffffff4 x24: ffff0000d53ac7e8 [ 53.976911][ T5160] x23: ffff0000de84eb58 x22: ffff0000de84eb00 x21: ffff0000d013c000 [ 53.978224][ T5160] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 53.979573][ T5160] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 53.980839][ T5160] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 53.982113][ T5160] x11: 0000000000000000 x10: 0000000000000000 x9 : dd895218183d4a00 [ 53.983363][ T5160] x8 : dd895218183d4a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.984585][ T5160] x5 : ffff800021946eb8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 53.985868][ T5160] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.987204][ T5160] Call trace: [ 53.987721][ T5160] btrfs_commit_transaction+0x1ddc/0x3078 [ 53.988621][ T5160] btrfs_sync_fs+0x628/0xb24 [ 53.989312][ T5160] sync_filesystem+0x1a0/0x218 [ 53.990067][ T5160] btrfs_remount+0x198/0x12b0 [ 53.990814][ T5160] legacy_reconfigure+0xf8/0x110 [ 53.991595][ T5160] reconfigure_super+0x1d4/0x6f4 [ 53.992404][ T5160] path_mount+0xc88/0x1008 [ 53.993112][ T5160] __arm64_sys_mount+0x514/0x5f0 [ 53.993951][ T5160] invoke_syscall+0x98/0x2b0 [ 53.994683][ T5160] el0_svc_common+0x138/0x258 [ 53.995469][ T5160] do_el0_svc+0x58/0x13c [ 53.996146][ T5160] el0_svc+0x78/0x1d0 [ 53.996744][ T5160] el0t_64_sync_handler+0xcc/0xe4 [ 53.997557][ T5160] el0t_64_sync+0x1a0/0x1a4 [ 53.998305][ T5160] irq event stamp: 80124 [ 53.998961][ T5160] hardirqs last enabled at (80123): [] __up_console_sem+0xb4/0xfc [ 54.000434][ T5160] hardirqs last disabled at (80124): [] el1_dbg+0x24/0x80 [ 54.001836][ T5160] softirqs last enabled at (80090): [] handle_softirqs+0xa40/0xbe4 [ 54.003264][ T5160] softirqs last disabled at (80055): [] __irq_exit_rcu+0x240/0x43c [ 54.004735][ T5160] ---[ end trace 74b403455e3cd76e ]--- [ 54.006129][ T5160] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 54.007597][ T5160] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 54.207939][ T5182] loop0: detected capacity change from 0 to 32768 [ 54.210587][ T5182] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5182) [ 54.228146][ T5182] FAULT_INJECTION: forcing a failure. [ 54.228146][ T5182] name failslab, interval 1, probability 0, space 0, times 0 [ 54.230138][ T5182] CPU: 0 PID: 5182 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.231566][ T5182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.233261][ T5182] Call trace: [ 54.233799][ T5182] dump_backtrace+0x0/0x458 [ 54.234483][ T5182] show_stack+0x2c/0x3c [ 54.235112][ T5182] __dump_stack+0x30/0x40 [ 54.235807][ T5182] dump_stack_lvl+0xf4/0x15c [ 54.236550][ T5182] dump_stack+0x1c/0x5c [ 54.237210][ T5182] should_fail+0x3bc/0x514 [ 54.237868][ T5182] __should_failslab+0xbc/0x10c [ 54.238596][ T5182] should_failslab+0x10/0x28 [ 54.239352][ T5182] slab_pre_alloc_hook+0x64/0xe8 [ 54.240157][ T5182] kmem_cache_alloc_trace+0x98/0x3ec [ 54.240990][ T5182] bdi_split_work_to_wbs+0x3f4/0x77c [ 54.241823][ T5182] __writeback_inodes_sb_nr+0x1ac/0x224 [ 54.242649][ T5182] writeback_inodes_sb+0x78/0x8c [ 54.243466][ T5182] sync_filesystem+0xa0/0x218 [ 54.244310][ T5182] btrfs_remount+0x198/0x12b0 [ 54.245065][ T5182] legacy_reconfigure+0xf8/0x110 [ 54.245917][ T5182] reconfigure_super+0x1d4/0x6f4 [ 54.246712][ T5182] path_mount+0xc88/0x1008 [ 54.247471][ T5182] __arm64_sys_mount+0x514/0x5f0 [ 54.248340][ T5182] invoke_syscall+0x98/0x2b0 [ 54.249120][ T5182] el0_svc_common+0x138/0x258 [ 54.249890][ T5182] do_el0_svc+0x58/0x13c [ 54.250654][ T5182] el0_svc+0x78/0x1d0 [ 54.251298][ T5182] el0t_64_sync_handler+0xcc/0xe4 [ 54.252130][ T5182] el0t_64_sync+0x1a0/0x1a4 [ 54.395279][ T5204] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5204) [ 54.417628][ T5204] FAULT_INJECTION: forcing a failure. [ 54.417628][ T5204] name failslab, interval 1, probability 0, space 0, times 0 [ 54.419991][ T5204] CPU: 1 PID: 5204 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.421415][ T5204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.423063][ T5204] Call trace: [ 54.423576][ T5204] dump_backtrace+0x0/0x458 [ 54.424298][ T5204] show_stack+0x2c/0x3c [ 54.424947][ T5204] __dump_stack+0x30/0x40 [ 54.425614][ T5204] dump_stack_lvl+0xf4/0x15c [ 54.426320][ T5204] dump_stack+0x1c/0x5c [ 54.427056][ T5204] should_fail+0x3bc/0x514 [ 54.427809][ T5204] __should_failslab+0xbc/0x10c [ 54.428602][ T5204] should_failslab+0x10/0x28 [ 54.429339][ T5204] slab_pre_alloc_hook+0x64/0xe8 [ 54.430126][ T5204] kmem_cache_alloc_trace+0x98/0x3ec [ 54.431011][ T5204] bdi_split_work_to_wbs+0x3f4/0x77c [ 54.431858][ T5204] __writeback_inodes_sb_nr+0x1ac/0x224 [ 54.432743][ T5204] writeback_inodes_sb+0x78/0x8c [ 54.433477][ T5204] sync_filesystem+0xa0/0x218 [ 54.434158][ T5204] btrfs_remount+0x198/0x12b0 [ 54.434857][ T5204] legacy_reconfigure+0xf8/0x110 [ 54.435698][ T5204] reconfigure_super+0x1d4/0x6f4 [ 54.436510][ T5204] path_mount+0xc88/0x1008 [ 54.437213][ T5204] __arm64_sys_mount+0x514/0x5f0 [ 54.437989][ T5204] invoke_syscall+0x98/0x2b0 [ 54.438715][ T5204] el0_svc_common+0x138/0x258 [ 54.439491][ T5204] do_el0_svc+0x58/0x13c [ 54.440201][ T5204] el0_svc+0x78/0x1d0 [ 54.440786][ T5204] el0t_64_sync_handler+0xcc/0xe4 [ 54.441678][ T5204] el0t_64_sync+0x1a0/0x1a4 [ 54.627009][ T5226] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5226) [ 54.655370][ T5226] FAULT_INJECTION: forcing a failure. [ 54.655370][ T5226] name failslab, interval 1, probability 0, space 0, times 0 [ 54.657370][ T5226] CPU: 0 PID: 5226 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.658848][ T5226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.660415][ T5226] Call trace: [ 54.660925][ T5226] dump_backtrace+0x0/0x458 [ 54.661629][ T5226] show_stack+0x2c/0x3c [ 54.662279][ T5226] __dump_stack+0x30/0x40 [ 54.663012][ T5226] dump_stack_lvl+0xf4/0x15c [ 54.663818][ T5226] dump_stack+0x1c/0x5c [ 54.664459][ T5226] should_fail+0x3bc/0x514 [ 54.665217][ T5226] __should_failslab+0xbc/0x10c [ 54.665973][ T5226] should_failslab+0x10/0x28 [ 54.666676][ T5226] slab_pre_alloc_hook+0x64/0xe8 [ 54.667500][ T5226] kmem_cache_alloc+0x94/0x3d4 [ 54.668262][ T5226] btrfs_alloc_path+0x5c/0x68 [ 54.669017][ T5226] __btrfs_run_delayed_items+0x88/0x46c [ 54.669863][ T5226] btrfs_run_delayed_items+0x24/0x34 [ 54.670803][ T5226] btrfs_commit_transaction+0x7e0/0x3078 [ 54.671779][ T5226] btrfs_sync_fs+0x628/0xb24 [ 54.672524][ T5226] sync_filesystem+0x1a0/0x218 [ 54.673283][ T5226] btrfs_remount+0x198/0x12b0 [ 54.674006][ T5226] legacy_reconfigure+0xf8/0x110 [ 54.674892][ T5226] reconfigure_super+0x1d4/0x6f4 [ 54.675697][ T5226] path_mount+0xc88/0x1008 [ 54.676375][ T5226] __arm64_sys_mount+0x514/0x5f0 [ 54.677247][ T5226] invoke_syscall+0x98/0x2b0 [ 54.678052][ T5226] el0_svc_common+0x138/0x258 [ 54.678834][ T5226] do_el0_svc+0x58/0x13c [ 54.679523][ T5226] el0_svc+0x78/0x1d0 [ 54.680170][ T5226] el0t_64_sync_handler+0xcc/0xe4 [ 54.680997][ T5226] el0t_64_sync+0x1a0/0x1a4 [ 54.683587][ T5226] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 54.684826][ T5226] ------------[ cut here ]------------ [ 54.685782][ T5226] WARNING: CPU: 0 PID: 5226 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 54.687506][ T5226] Modules linked in: [ 54.688135][ T5226] CPU: 0 PID: 5226 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.689636][ T5226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.691276][ T5226] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.692568][ T5226] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 54.693539][ T5226] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 54.694587][ T5226] sp : ffff800021e775a0 [ 54.695286][ T5226] x29: ffff800021e777e0 x28: ffff7000043ceecc x27: 1fffe0001a24a595 [ 54.696671][ T5226] x26: ffff0000d9272000 x25: 00000000fffffff4 x24: ffff0000d1252ca8 [ 54.698094][ T5226] x23: ffff0000de943cb8 x22: ffff0000de943c60 x21: ffff0000d1f50000 [ 54.699403][ T5226] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 54.700770][ T5226] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 54.702187][ T5226] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 54.703512][ T5226] x11: 0000000000000000 x10: 0000000000000000 x9 : d2d57dc772a64d00 [ 54.704873][ T5226] x8 : d2d57dc772a64d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.706215][ T5226] x5 : ffff800021e76eb8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 54.707539][ T5226] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.708789][ T5226] Call trace: [ 54.709310][ T5226] btrfs_commit_transaction+0x1ddc/0x3078 [ 54.710288][ T5226] btrfs_sync_fs+0x628/0xb24 [ 54.711085][ T5226] sync_filesystem+0x1a0/0x218 [ 54.711864][ T5226] btrfs_remount+0x198/0x12b0 [ 54.712634][ T5226] legacy_reconfigure+0xf8/0x110 [ 54.713380][ T5226] reconfigure_super+0x1d4/0x6f4 [ 54.714174][ T5226] path_mount+0xc88/0x1008 [ 54.714908][ T5226] __arm64_sys_mount+0x514/0x5f0 [ 54.715738][ T5226] invoke_syscall+0x98/0x2b0 [ 54.716477][ T5226] el0_svc_common+0x138/0x258 [ 54.717234][ T5226] do_el0_svc+0x58/0x13c [ 54.717901][ T5226] el0_svc+0x78/0x1d0 [ 54.718543][ T5226] el0t_64_sync_handler+0xcc/0xe4 [ 54.719322][ T5226] el0t_64_sync+0x1a0/0x1a4 [ 54.720030][ T5226] irq event stamp: 82070 [ 54.720783][ T5226] hardirqs last enabled at (82069): [] __up_console_sem+0xb4/0xfc [ 54.722417][ T5226] hardirqs last disabled at (82070): [] el1_dbg+0x24/0x80 [ 54.723976][ T5226] softirqs last enabled at (82040): [] handle_softirqs+0xa40/0xbe4 [ 54.725650][ T5226] softirqs last disabled at (81887): [] __irq_exit_rcu+0x240/0x43c [ 54.727283][ T5226] ---[ end trace 74b403455e3cd76f ]--- [ 54.728787][ T5226] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 54.730322][ T5226] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 54.929441][ T5248] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5248) [ 54.952110][ T5248] FAULT_INJECTION: forcing a failure. [ 54.952110][ T5248] name failslab, interval 1, probability 0, space 0, times 0 [ 54.954395][ T5248] CPU: 0 PID: 5248 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.955875][ T5248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.957464][ T5248] Call trace: [ 54.957977][ T5248] dump_backtrace+0x0/0x458 [ 54.958746][ T5248] show_stack+0x2c/0x3c [ 54.959467][ T5248] __dump_stack+0x30/0x40 [ 54.960162][ T5248] dump_stack_lvl+0xf4/0x15c [ 54.960894][ T5248] dump_stack+0x1c/0x5c [ 54.961604][ T5248] should_fail+0x3bc/0x514 [ 54.962391][ T5248] __should_failslab+0xbc/0x10c [ 54.963197][ T5248] should_failslab+0x10/0x28 [ 54.963933][ T5248] slab_pre_alloc_hook+0x64/0xe8 [ 54.964726][ T5248] kmem_cache_alloc+0x94/0x3d4 [ 54.965521][ T5248] getname_flags+0xb8/0x450 [ 54.966289][ T5248] getname+0x28/0x38 [ 54.966880][ T5248] do_sys_openat2+0xdc/0x3f4 [ 54.967622][ T5248] __arm64_sys_openat+0x118/0x14c [ 54.968473][ T5248] invoke_syscall+0x98/0x2b0 [ 54.969273][ T5248] el0_svc_common+0x138/0x258 [ 54.970094][ T5248] do_el0_svc+0x58/0x13c [ 54.970813][ T5248] el0_svc+0x78/0x1d0 [ 54.971431][ T5248] el0t_64_sync_handler+0xcc/0xe4 [ 54.972217][ T5248] el0t_64_sync+0x1a0/0x1a4 [ 55.179184][ T5270] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5270) [ 55.208266][ T5270] FAULT_INJECTION: forcing a failure. [ 55.208266][ T5270] name failslab, interval 1, probability 0, space 0, times 0 [ 55.210311][ T5270] CPU: 1 PID: 5270 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.211818][ T5270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.213485][ T5270] Call trace: [ 55.214001][ T5270] dump_backtrace+0x0/0x458 [ 55.214842][ T5270] show_stack+0x2c/0x3c [ 55.215471][ T5270] __dump_stack+0x30/0x40 [ 55.216181][ T5270] dump_stack_lvl+0xf4/0x15c [ 55.216904][ T5270] dump_stack+0x1c/0x5c [ 55.217541][ T5270] should_fail+0x3bc/0x514 [ 55.218254][ T5270] __should_failslab+0xbc/0x10c [ 55.219027][ T5270] should_failslab+0x10/0x28 [ 55.219759][ T5270] slab_pre_alloc_hook+0x64/0xe8 [ 55.220543][ T5270] kmem_cache_alloc+0x94/0x3d4 [ 55.221371][ T5270] btrfs_alloc_path+0x5c/0x68 [ 55.222168][ T5270] __btrfs_run_delayed_items+0x88/0x46c [ 55.223027][ T5270] btrfs_run_delayed_items+0x24/0x34 [ 55.223957][ T5270] btrfs_commit_transaction+0x7e0/0x3078 [ 55.224947][ T5270] btrfs_sync_fs+0x628/0xb24 [ 55.225715][ T5270] sync_filesystem+0x1a0/0x218 [ 55.226516][ T5270] btrfs_remount+0x198/0x12b0 [ 55.227286][ T5270] legacy_reconfigure+0xf8/0x110 [ 55.228087][ T5270] reconfigure_super+0x1d4/0x6f4 [ 55.228959][ T5270] path_mount+0xc88/0x1008 [ 55.229788][ T5270] __arm64_sys_mount+0x514/0x5f0 [ 55.230670][ T5270] invoke_syscall+0x98/0x2b0 [ 55.231466][ T5270] el0_svc_common+0x138/0x258 [ 55.232266][ T5270] do_el0_svc+0x58/0x13c [ 55.232926][ T5270] el0_svc+0x78/0x1d0 [ 55.233602][ T5270] el0t_64_sync_handler+0xcc/0xe4 [ 55.234434][ T5270] el0t_64_sync+0x1a0/0x1a4 [ 55.237649][ T5270] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 55.239154][ T5270] ------------[ cut here ]------------ [ 55.240142][ T5270] WARNING: CPU: 1 PID: 5270 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 55.242033][ T5270] Modules linked in: [ 55.242694][ T5270] CPU: 1 PID: 5270 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.244314][ T5270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.246075][ T5270] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.247396][ T5270] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 55.248391][ T5270] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 55.249381][ T5270] sp : ffff800021e875a0 [ 55.250054][ T5270] x29: ffff800021e877e0 x28: ffff7000043d0ecc x27: 1fffe0001b3d48fd [ 55.251399][ T5270] x26: ffff0000d9276000 x25: 00000000fffffff4 x24: ffff0000d9ea47e8 [ 55.252646][ T5270] x23: ffff0000de84ee18 x22: ffff0000de84edc0 x21: ffff0000c15a0000 [ 55.254100][ T5270] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 55.255450][ T5270] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 55.256796][ T5270] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 55.258232][ T5270] x11: 0000000000000000 x10: 0000000000000000 x9 : da98d7681a217800 [ 55.259543][ T5270] x8 : da98d7681a217800 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.260869][ T5270] x5 : ffff800021e86eb8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 55.262255][ T5270] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.263585][ T5270] Call trace: [ 55.264112][ T5270] btrfs_commit_transaction+0x1ddc/0x3078 [ 55.265110][ T5270] btrfs_sync_fs+0x628/0xb24 [ 55.265910][ T5270] sync_filesystem+0x1a0/0x218 [ 55.266814][ T5270] btrfs_remount+0x198/0x12b0 [ 55.267640][ T5270] legacy_reconfigure+0xf8/0x110 [ 55.268462][ T5270] reconfigure_super+0x1d4/0x6f4 [ 55.269348][ T5270] path_mount+0xc88/0x1008 [ 55.270189][ T5270] __arm64_sys_mount+0x514/0x5f0 [ 55.271002][ T5270] invoke_syscall+0x98/0x2b0 [ 55.271731][ T5270] el0_svc_common+0x138/0x258 [ 55.272504][ T5270] do_el0_svc+0x58/0x13c [ 55.273170][ T5270] el0_svc+0x78/0x1d0 [ 55.273788][ T5270] el0t_64_sync_handler+0xcc/0xe4 [ 55.274556][ T5270] el0t_64_sync+0x1a0/0x1a4 [ 55.275223][ T5270] irq event stamp: 80686 [ 55.275877][ T5270] hardirqs last enabled at (80685): [] __up_console_sem+0xb4/0xfc [ 55.277316][ T5270] hardirqs last disabled at (80686): [] el1_dbg+0x24/0x80 [ 55.278840][ T5270] softirqs last enabled at (80666): [] handle_softirqs+0xa40/0xbe4 [ 55.280415][ T5270] softirqs last disabled at (80653): [] __irq_exit_rcu+0x240/0x43c [ 55.282030][ T5270] ---[ end trace 74b403455e3cd770 ]--- [ 55.283911][ T5270] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 55.285332][ T5270] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 55.475516][ T5292] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5292) [ 55.507335][ T5292] FAULT_INJECTION: forcing a failure. [ 55.507335][ T5292] name failslab, interval 1, probability 0, space 0, times 0 [ 55.509544][ T5292] CPU: 1 PID: 5292 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.511081][ T5292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.512776][ T5292] Call trace: [ 55.513313][ T5292] dump_backtrace+0x0/0x458 [ 55.513951][ T5292] show_stack+0x2c/0x3c [ 55.514618][ T5292] __dump_stack+0x30/0x40 [ 55.515288][ T5292] dump_stack_lvl+0xf4/0x15c [ 55.515981][ T5292] dump_stack+0x1c/0x5c [ 55.516603][ T5292] should_fail+0x3bc/0x514 [ 55.517262][ T5292] __should_failslab+0xbc/0x10c [ 55.517998][ T5292] should_failslab+0x10/0x28 [ 55.518741][ T5292] slab_pre_alloc_hook+0x64/0xe8 [ 55.519516][ T5292] kmem_cache_alloc_trace+0x98/0x3ec [ 55.520354][ T5292] bdi_split_work_to_wbs+0x3f4/0x77c [ 55.521164][ T5292] __writeback_inodes_sb_nr+0x1ac/0x224 [ 55.521916][ T5292] writeback_inodes_sb+0x78/0x8c [ 55.522669][ T5292] sync_filesystem+0xa0/0x218 [ 55.523393][ T5292] btrfs_remount+0x198/0x12b0 [ 55.524114][ T5292] legacy_reconfigure+0xf8/0x110 [ 55.524924][ T5292] reconfigure_super+0x1d4/0x6f4 [ 55.525649][ T5292] path_mount+0xc88/0x1008 [ 55.526368][ T5292] __arm64_sys_mount+0x514/0x5f0 [ 55.527158][ T5292] invoke_syscall+0x98/0x2b0 [ 55.527916][ T5292] el0_svc_common+0x138/0x258 [ 55.528639][ T5292] do_el0_svc+0x58/0x13c [ 55.529287][ T5292] el0_svc+0x78/0x1d0 [ 55.529877][ T5292] el0t_64_sync_handler+0xcc/0xe4 [ 55.530701][ T5292] el0t_64_sync+0x1a0/0x1a4 [ 55.759283][ T5314] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5314) [ 55.773249][ T5314] FAULT_INJECTION: forcing a failure. [ 55.773249][ T5314] name failslab, interval 1, probability 0, space 0, times 0 [ 55.775422][ T5314] CPU: 1 PID: 5314 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.776836][ T5314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.778403][ T5314] Call trace: [ 55.778926][ T5314] dump_backtrace+0x0/0x458 [ 55.779653][ T5314] show_stack+0x2c/0x3c [ 55.780438][ T5314] __dump_stack+0x30/0x40 [ 55.781173][ T5314] dump_stack_lvl+0xf4/0x15c [ 55.781850][ T5314] dump_stack+0x1c/0x5c [ 55.782524][ T5314] should_fail+0x3bc/0x514 [ 55.783231][ T5314] __should_failslab+0xbc/0x10c [ 55.784002][ T5314] should_failslab+0x10/0x28 [ 55.784742][ T5314] slab_pre_alloc_hook+0x64/0xe8 [ 55.785574][ T5314] kmem_cache_alloc+0x94/0x3d4 [ 55.786492][ T5314] start_transaction+0x4d0/0x13ec [ 55.787296][ T5314] btrfs_attach_transaction_barrier+0x30/0xac [ 55.788376][ T5314] btrfs_sync_fs+0x13c/0xb24 [ 55.789073][ T5314] sync_filesystem+0x1a0/0x218 [ 55.789794][ T5314] btrfs_remount+0x198/0x12b0 [ 55.790640][ T5314] legacy_reconfigure+0xf8/0x110 [ 55.791464][ T5314] reconfigure_super+0x1d4/0x6f4 [ 55.792259][ T5314] path_mount+0xc88/0x1008 [ 55.792926][ T5314] __arm64_sys_mount+0x514/0x5f0 [ 55.793743][ T5314] invoke_syscall+0x98/0x2b0 [ 55.794558][ T5314] el0_svc_common+0x138/0x258 [ 55.795330][ T5314] do_el0_svc+0x58/0x13c [ 55.796009][ T5314] el0_svc+0x78/0x1d0 [ 55.796690][ T5314] el0t_64_sync_handler+0xcc/0xe4 [ 55.797530][ T5314] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:00:55 executed programs: 34 [ 55.942574][ T5336] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5336) [ 55.963510][ T5336] FAULT_INJECTION: forcing a failure. [ 55.963510][ T5336] name failslab, interval 1, probability 0, space 0, times 0 [ 55.965810][ T5336] CPU: 1 PID: 5336 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.967276][ T5336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.969070][ T5336] Call trace: [ 55.969648][ T5336] dump_backtrace+0x0/0x458 [ 55.970401][ T5336] show_stack+0x2c/0x3c [ 55.971057][ T5336] __dump_stack+0x30/0x40 [ 55.971752][ T5336] dump_stack_lvl+0xf4/0x15c [ 55.972496][ T5336] dump_stack+0x1c/0x5c [ 55.973195][ T5336] should_fail+0x3bc/0x514 [ 55.973917][ T5336] __should_failslab+0xbc/0x10c [ 55.974674][ T5336] should_failslab+0x10/0x28 [ 55.975356][ T5336] slab_pre_alloc_hook+0x64/0xe8 [ 55.976077][ T5336] kmem_cache_alloc+0x94/0x3d4 [ 55.976816][ T5336] btrfs_alloc_path+0x5c/0x68 [ 55.977596][ T5336] __btrfs_run_delayed_items+0x88/0x46c [ 55.978550][ T5336] btrfs_run_delayed_items+0x24/0x34 [ 55.979373][ T5336] btrfs_commit_transaction+0x7e0/0x3078 [ 55.980322][ T5336] btrfs_sync_fs+0x628/0xb24 [ 55.981065][ T5336] sync_filesystem+0x1a0/0x218 [ 55.981800][ T5336] btrfs_remount+0x198/0x12b0 [ 55.982522][ T5336] legacy_reconfigure+0xf8/0x110 [ 55.983277][ T5336] reconfigure_super+0x1d4/0x6f4 [ 55.984027][ T5336] path_mount+0xc88/0x1008 [ 55.984709][ T5336] __arm64_sys_mount+0x514/0x5f0 [ 55.985542][ T5336] invoke_syscall+0x98/0x2b0 [ 55.986328][ T5336] el0_svc_common+0x138/0x258 [ 55.987105][ T5336] do_el0_svc+0x58/0x13c [ 55.987862][ T5336] el0_svc+0x78/0x1d0 [ 55.988504][ T5336] el0t_64_sync_handler+0xcc/0xe4 [ 55.989318][ T5336] el0t_64_sync+0x1a0/0x1a4 [ 55.990276][ T5336] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 55.991755][ T5336] ------------[ cut here ]------------ [ 55.992785][ T5336] WARNING: CPU: 1 PID: 5336 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 55.994510][ T5336] Modules linked in: [ 55.995144][ T5336] CPU: 1 PID: 5336 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.996701][ T5336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.998426][ T5336] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.999791][ T5336] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 56.000834][ T5336] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 56.001845][ T5336] sp : ffff8000224a75a0 [ 56.002569][ T5336] x29: ffff8000224a77e0 x28: ffff700004494ecc x27: 1fffe0001b678595 [ 56.003841][ T5336] x26: ffff0000d9e5e000 x25: 00000000fffffff4 x24: ffff0000db3c2ca8 [ 56.005132][ T5336] x23: ffff0000de84e058 x22: ffff0000de84e000 x21: ffff0000c15a0000 [ 56.006490][ T5336] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 56.007821][ T5336] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 56.009158][ T5336] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 56.010562][ T5336] x11: 0000000000000000 x10: 0000000000000000 x9 : 18db5f1a85b74600 [ 56.011924][ T5336] x8 : 18db5f1a85b74600 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.013246][ T5336] x5 : ffff8000224a6eb8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 56.014546][ T5336] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.015853][ T5336] Call trace: [ 56.016352][ T5336] btrfs_commit_transaction+0x1ddc/0x3078 [ 56.017370][ T5336] btrfs_sync_fs+0x628/0xb24 [ 56.018148][ T5336] sync_filesystem+0x1a0/0x218 [ 56.018945][ T5336] btrfs_remount+0x198/0x12b0 [ 56.019695][ T5336] legacy_reconfigure+0xf8/0x110 [ 56.020481][ T5336] reconfigure_super+0x1d4/0x6f4 [ 56.021300][ T5336] path_mount+0xc88/0x1008 [ 56.022050][ T5336] __arm64_sys_mount+0x514/0x5f0 [ 56.022838][ T5336] invoke_syscall+0x98/0x2b0 [ 56.023522][ T5336] el0_svc_common+0x138/0x258 [ 56.024366][ T5336] do_el0_svc+0x58/0x13c [ 56.025160][ T5336] el0_svc+0x78/0x1d0 [ 56.025828][ T5336] el0t_64_sync_handler+0xcc/0xe4 [ 56.026699][ T5336] el0t_64_sync+0x1a0/0x1a4 [ 56.027396][ T5336] irq event stamp: 81472 [ 56.028060][ T5336] hardirqs last enabled at (81471): [] __up_console_sem+0xb4/0xfc [ 56.029808][ T5336] hardirqs last disabled at (81472): [] el1_dbg+0x24/0x80 [ 56.031357][ T5336] softirqs last enabled at (81438): [] handle_softirqs+0xa40/0xbe4 [ 56.032929][ T5336] softirqs last disabled at (81427): [] __irq_exit_rcu+0x240/0x43c [ 56.034501][ T5336] ---[ end trace 74b403455e3cd771 ]--- [ 56.036024][ T5336] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 56.037580][ T5336] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 56.235365][ T5358] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5358) [ 56.252081][ T5358] FAULT_INJECTION: forcing a failure. [ 56.252081][ T5358] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 56.254313][ T5358] CPU: 1 PID: 5358 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.255726][ T5358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.257382][ T5358] Call trace: [ 56.257958][ T5358] dump_backtrace+0x0/0x458 [ 56.258654][ T5358] show_stack+0x2c/0x3c [ 56.259429][ T5358] __dump_stack+0x30/0x40 [ 56.260219][ T5358] dump_stack_lvl+0xf4/0x15c [ 56.261022][ T5358] dump_stack+0x1c/0x5c [ 56.261733][ T5358] should_fail+0x3bc/0x514 [ 56.262477][ T5358] should_fail_alloc_page+0x74/0xa8 [ 56.263356][ T5358] prepare_alloc_pages+0x160/0x45c [ 56.264209][ T5358] __alloc_pages+0x108/0x470 [ 56.264982][ T5358] alloc_pages+0x34c/0x5c0 [ 56.265763][ T5358] new_slab+0xe0/0x544 [ 56.266480][ T5358] ___slab_alloc+0x6b4/0xd8c [ 56.267214][ T5358] __slab_alloc+0x68/0xc0 [ 56.267923][ T5358] kmem_cache_alloc+0x2a4/0x3d4 [ 56.268709][ T5358] start_transaction+0x4d0/0x13ec [ 56.269594][ T5358] btrfs_attach_transaction_barrier+0x30/0xac [ 56.270537][ T5358] btrfs_sync_fs+0x13c/0xb24 [ 56.271291][ T5358] sync_filesystem+0x1a0/0x218 [ 56.272093][ T5358] btrfs_remount+0x198/0x12b0 [ 56.272816][ T5358] legacy_reconfigure+0xf8/0x110 [ 56.273586][ T5358] reconfigure_super+0x1d4/0x6f4 [ 56.274438][ T5358] path_mount+0xc88/0x1008 [ 56.275205][ T5358] __arm64_sys_mount+0x514/0x5f0 [ 56.275957][ T5358] invoke_syscall+0x98/0x2b0 [ 56.276703][ T5358] el0_svc_common+0x138/0x258 [ 56.277474][ T5358] do_el0_svc+0x58/0x13c [ 56.278219][ T5358] el0_svc+0x78/0x1d0 [ 56.278920][ T5358] el0t_64_sync_handler+0xcc/0xe4 [ 56.279846][ T5358] el0t_64_sync+0x1a0/0x1a4 [ 56.485411][ T5380] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5380) [ 56.507801][ T5380] FAULT_INJECTION: forcing a failure. [ 56.507801][ T5380] name failslab, interval 1, probability 0, space 0, times 0 [ 56.510766][ T5380] CPU: 0 PID: 5380 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.512059][ T5380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.513777][ T5380] Call trace: [ 56.514309][ T5380] dump_backtrace+0x0/0x458 [ 56.515082][ T5380] show_stack+0x2c/0x3c [ 56.515756][ T5380] __dump_stack+0x30/0x40 [ 56.516446][ T5380] dump_stack_lvl+0xf4/0x15c [ 56.517212][ T5380] dump_stack+0x1c/0x5c [ 56.517876][ T5380] should_fail+0x3bc/0x514 [ 56.518656][ T5380] __should_failslab+0xbc/0x10c [ 56.519535][ T5380] should_failslab+0x10/0x28 [ 56.520335][ T5380] slab_pre_alloc_hook+0x64/0xe8 [ 56.521229][ T5380] kmem_cache_alloc+0x94/0x3d4 [ 56.522049][ T5380] btrfs_alloc_path+0x5c/0x68 [ 56.522842][ T5380] __btrfs_run_delayed_items+0x88/0x46c [ 56.523790][ T5380] btrfs_run_delayed_items+0x24/0x34 [ 56.524659][ T5380] btrfs_commit_transaction+0x7e0/0x3078 [ 56.525627][ T5380] btrfs_sync_fs+0x628/0xb24 [ 56.526429][ T5380] sync_filesystem+0x1a0/0x218 [ 56.527229][ T5380] btrfs_remount+0x198/0x12b0 [ 56.528033][ T5380] legacy_reconfigure+0xf8/0x110 [ 56.528890][ T5380] reconfigure_super+0x1d4/0x6f4 [ 56.529749][ T5380] path_mount+0xc88/0x1008 [ 56.530516][ T5380] __arm64_sys_mount+0x514/0x5f0 [ 56.531362][ T5380] invoke_syscall+0x98/0x2b0 [ 56.532168][ T5380] el0_svc_common+0x138/0x258 [ 56.532992][ T5380] do_el0_svc+0x58/0x13c [ 56.533770][ T5380] el0_svc+0x78/0x1d0 [ 56.534472][ T5380] el0t_64_sync_handler+0xcc/0xe4 [ 56.535308][ T5380] el0t_64_sync+0x1a0/0x1a4 [ 56.537815][ T5380] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 56.539353][ T5380] ------------[ cut here ]------------ [ 56.540304][ T5380] WARNING: CPU: 0 PID: 5380 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 56.541920][ T5380] Modules linked in: [ 56.542568][ T5380] CPU: 0 PID: 5380 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.544072][ T5380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.545704][ T5380] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.546922][ T5380] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 56.547824][ T5380] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 56.548762][ T5380] sp : ffff8000225f75a0 [ 56.549408][ T5380] x29: ffff8000225f77e0 x28: ffff7000044beecc x27: 1fffe0001827ec65 [ 56.550639][ T5380] x26: ffff0000d9e5a000 x25: 00000000fffffff4 x24: ffff0000c13f6328 [ 56.551906][ T5380] x23: ffff0000de8527e8 x22: ffff0000de852790 x21: ffff0000dc270000 [ 56.553198][ T5380] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 56.554466][ T5380] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 56.555877][ T5380] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 56.557270][ T5380] x11: 0000000000000000 x10: 0000000000000000 x9 : d7b812435929a500 [ 56.558617][ T5380] x8 : d7b812435929a500 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.559917][ T5380] x5 : ffff8000225f6eb8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 56.561333][ T5380] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.562707][ T5380] Call trace: [ 56.563332][ T5380] btrfs_commit_transaction+0x1ddc/0x3078 [ 56.564300][ T5380] btrfs_sync_fs+0x628/0xb24 [ 56.565055][ T5380] sync_filesystem+0x1a0/0x218 [ 56.565944][ T5380] btrfs_remount+0x198/0x12b0 [ 56.566804][ T5380] legacy_reconfigure+0xf8/0x110 [ 56.567660][ T5380] reconfigure_super+0x1d4/0x6f4 [ 56.568472][ T5380] path_mount+0xc88/0x1008 [ 56.569231][ T5380] __arm64_sys_mount+0x514/0x5f0 [ 56.570085][ T5380] invoke_syscall+0x98/0x2b0 [ 56.570922][ T5380] el0_svc_common+0x138/0x258 [ 56.571612][ T5380] do_el0_svc+0x58/0x13c [ 56.572254][ T5380] el0_svc+0x78/0x1d0 [ 56.573023][ T5380] el0t_64_sync_handler+0xcc/0xe4 [ 56.573871][ T5380] el0t_64_sync+0x1a0/0x1a4 [ 56.574643][ T5380] irq event stamp: 80010 [ 56.575380][ T5380] hardirqs last enabled at (80009): [] __up_console_sem+0xb4/0xfc [ 56.576886][ T5380] hardirqs last disabled at (80010): [] el1_dbg+0x24/0x80 [ 56.578268][ T5380] softirqs last enabled at (79990): [] handle_softirqs+0xa40/0xbe4 [ 56.579879][ T5380] softirqs last disabled at (79897): [] __irq_exit_rcu+0x240/0x43c [ 56.581408][ T5380] ---[ end trace 74b403455e3cd772 ]--- [ 56.582510][ T5380] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 56.584143][ T5380] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 56.762393][ T5402] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5402) [ 56.790510][ T5402] FAULT_INJECTION: forcing a failure. [ 56.790510][ T5402] name failslab, interval 1, probability 0, space 0, times 0 [ 56.792702][ T5402] CPU: 0 PID: 5402 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.794208][ T5402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.796023][ T5402] Call trace: [ 56.796625][ T5402] dump_backtrace+0x0/0x458 [ 56.797412][ T5402] show_stack+0x2c/0x3c [ 56.798096][ T5402] __dump_stack+0x30/0x40 [ 56.798795][ T5402] dump_stack_lvl+0xf4/0x15c [ 56.799566][ T5402] dump_stack+0x1c/0x5c [ 56.800293][ T5402] should_fail+0x3bc/0x514 [ 56.801030][ T5402] __should_failslab+0xbc/0x10c [ 56.801857][ T5402] should_failslab+0x10/0x28 [ 56.802559][ T5402] slab_pre_alloc_hook+0x64/0xe8 [ 56.803303][ T5402] kmem_cache_alloc+0x94/0x3d4 [ 56.804048][ T5402] getname_flags+0xb8/0x450 [ 56.804722][ T5402] getname+0x28/0x38 [ 56.805339][ T5402] do_sys_openat2+0xdc/0x3f4 [ 56.806044][ T5402] __arm64_sys_openat+0x118/0x14c [ 56.806845][ T5402] invoke_syscall+0x98/0x2b0 [ 56.807590][ T5402] el0_svc_common+0x138/0x258 [ 56.808309][ T5402] do_el0_svc+0x58/0x13c [ 56.809027][ T5402] el0_svc+0x78/0x1d0 [ 56.809673][ T5402] el0t_64_sync_handler+0xcc/0xe4 [ 56.810523][ T5402] el0t_64_sync+0x1a0/0x1a4 [ 57.011702][ T5424] set_capacity_and_notify: 10 callbacks suppressed [ 57.011712][ T5424] loop0: detected capacity change from 0 to 32768 [ 57.016333][ T5424] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5424) [ 57.021754][ T5424] btrfs_printk: 146 callbacks suppressed [ 57.021762][ T5424] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 57.024279][ T5424] BTRFS info (device loop0): force clearing of disk cache [ 57.025464][ T5424] BTRFS info (device loop0): setting nodatasum [ 57.026669][ T5424] BTRFS info (device loop0): allowing degraded mounts [ 57.027823][ T5424] BTRFS info (device loop0): enabling disk space caching [ 57.029492][ T5424] BTRFS info (device loop0): disk space caching is enabled [ 57.030745][ T5424] BTRFS info (device loop0): has skinny extents [ 57.044135][ T5424] BTRFS info (device loop0): enabling ssd optimizations [ 57.045873][ T5424] BTRFS info (device loop0): clearing free space tree [ 57.047132][ T5424] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 57.049659][ T5424] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 57.053638][ T5424] BTRFS info (device loop0): checking UUID tree [ 57.056416][ T5424] FAULT_INJECTION: forcing a failure. [ 57.056416][ T5424] name failslab, interval 1, probability 0, space 0, times 0 [ 57.058816][ T5424] CPU: 1 PID: 5424 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.060238][ T5424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.061821][ T5424] Call trace: [ 57.062315][ T5424] dump_backtrace+0x0/0x458 [ 57.063013][ T5424] show_stack+0x2c/0x3c [ 57.063700][ T5424] __dump_stack+0x30/0x40 [ 57.064495][ T5424] dump_stack_lvl+0xf4/0x15c [ 57.065237][ T5424] dump_stack+0x1c/0x5c [ 57.065874][ T5424] should_fail+0x3bc/0x514 [ 57.066535][ T5424] __should_failslab+0xbc/0x10c [ 57.067271][ T5424] should_failslab+0x10/0x28 [ 57.067960][ T5424] slab_pre_alloc_hook+0x64/0xe8 [ 57.068756][ T5424] kmem_cache_alloc+0x94/0x3d4 [ 57.069502][ T5424] start_transaction+0x4d0/0x13ec [ 57.070361][ T5424] btrfs_attach_transaction_barrier+0x30/0xac [ 57.071384][ T5424] btrfs_sync_fs+0x13c/0xb24 [ 57.072151][ T5424] sync_filesystem+0x1a0/0x218 [ 57.072972][ T5424] btrfs_remount+0x198/0x12b0 [ 57.073734][ T5424] legacy_reconfigure+0xf8/0x110 [ 57.074516][ T5424] reconfigure_super+0x1d4/0x6f4 [ 57.075232][ T5424] path_mount+0xc88/0x1008 [ 57.075952][ T5424] __arm64_sys_mount+0x514/0x5f0 [ 57.076796][ T5424] invoke_syscall+0x98/0x2b0 [ 57.077582][ T5424] el0_svc_common+0x138/0x258 [ 57.078326][ T5424] do_el0_svc+0x58/0x13c [ 57.079038][ T5424] el0_svc+0x78/0x1d0 [ 57.079721][ T5424] el0t_64_sync_handler+0xcc/0xe4 [ 57.080571][ T5424] el0t_64_sync+0x1a0/0x1a4 [ 57.266864][ T5446] loop0: detected capacity change from 0 to 32768 [ 57.270076][ T5446] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5446) [ 57.274763][ T5446] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 57.276336][ T5446] BTRFS info (device loop0): force clearing of disk cache [ 57.277480][ T5446] BTRFS info (device loop0): setting nodatasum [ 57.278782][ T5446] BTRFS info (device loop0): allowing degraded mounts [ 57.279912][ T5446] BTRFS info (device loop0): enabling disk space caching [ 57.281209][ T5446] BTRFS info (device loop0): disk space caching is enabled [ 57.282397][ T5446] BTRFS info (device loop0): has skinny extents [ 57.298726][ T5446] BTRFS info (device loop0): enabling ssd optimizations [ 57.300314][ T5446] BTRFS info (device loop0): clearing free space tree [ 57.301556][ T5446] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 57.303220][ T5446] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 57.306835][ T5446] BTRFS info (device loop0): checking UUID tree [ 57.310429][ T5446] FAULT_INJECTION: forcing a failure. [ 57.310429][ T5446] name failslab, interval 1, probability 0, space 0, times 0 [ 57.312768][ T5446] CPU: 0 PID: 5446 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.314323][ T5446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.316067][ T5446] Call trace: [ 57.316605][ T5446] dump_backtrace+0x0/0x458 [ 57.317293][ T5446] show_stack+0x2c/0x3c [ 57.317952][ T5446] __dump_stack+0x30/0x40 [ 57.318685][ T5446] dump_stack_lvl+0xf4/0x15c [ 57.319514][ T5446] dump_stack+0x1c/0x5c [ 57.320274][ T5446] should_fail+0x3bc/0x514 [ 57.321065][ T5446] __should_failslab+0xbc/0x10c [ 57.321935][ T5446] should_failslab+0x10/0x28 [ 57.322726][ T5446] slab_pre_alloc_hook+0x64/0xe8 [ 57.323621][ T5446] kmem_cache_alloc+0x94/0x3d4 [ 57.324380][ T5446] getname_flags+0xb8/0x450 [ 57.325134][ T5446] getname+0x28/0x38 [ 57.325772][ T5446] do_sys_openat2+0xdc/0x3f4 [ 57.326597][ T5446] __arm64_sys_openat+0x118/0x14c [ 57.327380][ T5446] invoke_syscall+0x98/0x2b0 [ 57.328116][ T5446] el0_svc_common+0x138/0x258 [ 57.328896][ T5446] do_el0_svc+0x58/0x13c [ 57.329563][ T5446] el0_svc+0x78/0x1d0 [ 57.330205][ T5446] el0t_64_sync_handler+0xcc/0xe4 [ 57.331043][ T5446] el0t_64_sync+0x1a0/0x1a4 [ 57.513758][ T5468] loop0: detected capacity change from 0 to 32768 [ 57.516368][ T5468] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5468) [ 57.520140][ T5468] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 57.521869][ T5468] BTRFS info (device loop0): force clearing of disk cache [ 57.522963][ T5468] BTRFS info (device loop0): setting nodatasum [ 57.523901][ T5468] BTRFS info (device loop0): allowing degraded mounts [ 57.525102][ T5468] BTRFS info (device loop0): enabling disk space caching [ 57.526292][ T5468] BTRFS info (device loop0): disk space caching is enabled [ 57.527498][ T5468] BTRFS info (device loop0): has skinny extents [ 57.536013][ T5468] BTRFS info (device loop0): enabling ssd optimizations [ 57.537693][ T5468] BTRFS info (device loop0): clearing free space tree [ 57.539142][ T5468] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 57.540965][ T5468] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 57.544387][ T5468] BTRFS info (device loop0): checking UUID tree [ 57.546933][ T5468] FAULT_INJECTION: forcing a failure. [ 57.546933][ T5468] name failslab, interval 1, probability 0, space 0, times 0 [ 57.549332][ T5468] CPU: 1 PID: 5468 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.550713][ T5468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.552413][ T5468] Call trace: [ 57.552949][ T5468] dump_backtrace+0x0/0x458 [ 57.553670][ T5468] show_stack+0x2c/0x3c [ 57.554343][ T5468] __dump_stack+0x30/0x40 [ 57.555122][ T5468] dump_stack_lvl+0xf4/0x15c [ 57.555851][ T5468] dump_stack+0x1c/0x5c [ 57.556499][ T5468] should_fail+0x3bc/0x514 [ 57.557159][ T5468] __should_failslab+0xbc/0x10c [ 57.557876][ T5468] should_failslab+0x10/0x28 [ 57.558603][ T5468] slab_pre_alloc_hook+0x64/0xe8 [ 57.559354][ T5468] kmem_cache_alloc_trace+0x98/0x3ec [ 57.560204][ T5468] bdi_split_work_to_wbs+0x3f4/0x77c [ 57.561133][ T5468] __writeback_inodes_sb_nr+0x1ac/0x224 [ 57.561982][ T5468] writeback_inodes_sb+0x78/0x8c [ 57.562749][ T5468] sync_filesystem+0xa0/0x218 [ 57.563517][ T5468] btrfs_remount+0x198/0x12b0 [ 57.564207][ T5468] legacy_reconfigure+0xf8/0x110 [ 57.565046][ T5468] reconfigure_super+0x1d4/0x6f4 [ 57.565958][ T5468] path_mount+0xc88/0x1008 [ 57.566693][ T5468] __arm64_sys_mount+0x514/0x5f0 [ 57.567473][ T5468] invoke_syscall+0x98/0x2b0 [ 57.568304][ T5468] el0_svc_common+0x138/0x258 [ 57.569072][ T5468] do_el0_svc+0x58/0x13c [ 57.569789][ T5468] el0_svc+0x78/0x1d0 [ 57.570461][ T5468] el0t_64_sync_handler+0xcc/0xe4 [ 57.571286][ T5468] el0t_64_sync+0x1a0/0x1a4 [ 57.754260][ T5490] loop0: detected capacity change from 0 to 32768 [ 57.757095][ T5490] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5490) [ 57.761853][ T5490] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 57.763513][ T5490] BTRFS info (device loop0): force clearing of disk cache [ 57.764741][ T5490] BTRFS info (device loop0): setting nodatasum [ 57.765910][ T5490] BTRFS info (device loop0): allowing degraded mounts [ 57.767189][ T5490] BTRFS info (device loop0): enabling disk space caching [ 57.768545][ T5490] BTRFS info (device loop0): disk space caching is enabled [ 57.770043][ T5490] BTRFS info (device loop0): has skinny extents [ 57.780970][ T5490] BTRFS info (device loop0): enabling ssd optimizations [ 57.783978][ T5490] BTRFS info (device loop0): clearing free space tree [ 57.785148][ T5490] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 57.786710][ T5490] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 57.791431][ T5490] BTRFS info (device loop0): checking UUID tree [ 57.793888][ T5490] FAULT_INJECTION: forcing a failure. [ 57.793888][ T5490] name failslab, interval 1, probability 0, space 0, times 0 [ 57.795870][ T5490] CPU: 1 PID: 5490 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.797344][ T5490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.799005][ T5490] Call trace: [ 57.799593][ T5490] dump_backtrace+0x0/0x458 [ 57.800315][ T5490] show_stack+0x2c/0x3c [ 57.800964][ T5490] __dump_stack+0x30/0x40 [ 57.801726][ T5490] dump_stack_lvl+0xf4/0x15c [ 57.802602][ T5490] dump_stack+0x1c/0x5c [ 57.803257][ T5490] should_fail+0x3bc/0x514 [ 57.804016][ T5490] __should_failslab+0xbc/0x10c [ 57.804831][ T5490] should_failslab+0x10/0x28 [ 57.805600][ T5490] slab_pre_alloc_hook+0x64/0xe8 [ 57.806450][ T5490] kmem_cache_alloc+0x94/0x3d4 [ 57.807241][ T5490] getname_flags+0xb8/0x450 [ 57.808129][ T5490] getname+0x28/0x38 [ 57.808733][ T5490] do_sys_openat2+0xdc/0x3f4 [ 57.809480][ T5490] __arm64_sys_openat+0x118/0x14c [ 57.810302][ T5490] invoke_syscall+0x98/0x2b0 [ 57.811091][ T5490] el0_svc_common+0x138/0x258 [ 57.811907][ T5490] do_el0_svc+0x58/0x13c [ 57.812638][ T5490] el0_svc+0x78/0x1d0 [ 57.813408][ T5490] el0t_64_sync_handler+0xcc/0xe4 [ 57.814222][ T5490] el0t_64_sync+0x1a0/0x1a4 [ 58.006180][ T5512] loop0: detected capacity change from 0 to 32768 [ 58.009967][ T5512] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5512) [ 58.013244][ T5512] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 58.014743][ T5512] BTRFS info (device loop0): force clearing of disk cache [ 58.015911][ T5512] BTRFS info (device loop0): setting nodatasum [ 58.016938][ T5512] BTRFS info (device loop0): allowing degraded mounts [ 58.018080][ T5512] BTRFS info (device loop0): enabling disk space caching [ 58.019287][ T5512] BTRFS info (device loop0): disk space caching is enabled [ 58.020436][ T5512] BTRFS info (device loop0): has skinny extents [ 58.028076][ T5512] BTRFS info (device loop0): enabling ssd optimizations [ 58.030191][ T5512] BTRFS info (device loop0): clearing free space tree [ 58.031259][ T5512] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 58.032771][ T5512] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 58.037081][ T5512] BTRFS info (device loop0): checking UUID tree [ 58.040120][ T5512] FAULT_INJECTION: forcing a failure. [ 58.040120][ T5512] name failslab, interval 1, probability 0, space 0, times 0 [ 58.042022][ T5512] CPU: 0 PID: 5512 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.043435][ T5512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.045059][ T5512] Call trace: [ 58.045540][ T5512] dump_backtrace+0x0/0x458 [ 58.046266][ T5512] show_stack+0x2c/0x3c [ 58.046890][ T5512] __dump_stack+0x30/0x40 [ 58.047593][ T5512] dump_stack_lvl+0xf4/0x15c [ 58.048197][ T5512] dump_stack+0x1c/0x5c [ 58.048722][ T5512] should_fail+0x3bc/0x514 [ 58.049305][ T5512] __should_failslab+0xbc/0x10c [ 58.049945][ T5512] should_failslab+0x10/0x28 [ 58.050586][ T5512] slab_pre_alloc_hook+0x64/0xe8 [ 58.051338][ T5512] kmem_cache_alloc+0x94/0x3d4 [ 58.052008][ T5512] btrfs_alloc_path+0x5c/0x68 [ 58.052711][ T5512] __btrfs_run_delayed_items+0x88/0x46c [ 58.053544][ T5512] btrfs_run_delayed_items+0x24/0x34 [ 58.054291][ T5512] btrfs_commit_transaction+0x7e0/0x3078 [ 58.055175][ T5512] btrfs_sync_fs+0x628/0xb24 [ 58.055905][ T5512] sync_filesystem+0x1a0/0x218 [ 58.056712][ T5512] btrfs_remount+0x198/0x12b0 [ 58.057521][ T5512] legacy_reconfigure+0xf8/0x110 [ 58.058358][ T5512] reconfigure_super+0x1d4/0x6f4 [ 58.059139][ T5512] path_mount+0xc88/0x1008 [ 58.059886][ T5512] __arm64_sys_mount+0x514/0x5f0 [ 58.060673][ T5512] invoke_syscall+0x98/0x2b0 [ 58.061415][ T5512] el0_svc_common+0x138/0x258 [ 58.062175][ T5512] do_el0_svc+0x58/0x13c [ 58.062867][ T5512] el0_svc+0x78/0x1d0 [ 58.063522][ T5512] el0t_64_sync_handler+0xcc/0xe4 [ 58.064295][ T5512] el0t_64_sync+0x1a0/0x1a4 [ 58.066071][ T5512] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 58.067345][ T5512] ------------[ cut here ]------------ [ 58.068443][ T5512] WARNING: CPU: 0 PID: 5512 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 58.070101][ T5512] Modules linked in: [ 58.070698][ T5512] CPU: 0 PID: 5512 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.072119][ T5512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.073693][ T5512] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.074880][ T5512] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 58.075787][ T5512] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 58.076675][ T5512] sp : ffff8000234275a0 [ 58.077280][ T5512] x29: ffff8000234277e0 x28: ffff700004684ecc x27: 1fffe0001a1a08fd [ 58.078582][ T5512] x26: ffff0000c29df000 x25: 00000000fffffff4 x24: ffff0000d0d047e8 [ 58.079815][ T5512] x23: ffff0000dd2c2528 x22: ffff0000dd2c24d0 x21: ffff0000ce6e0000 [ 58.081061][ T5512] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 58.082325][ T5512] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 58.083510][ T5512] x14: 0000000000000001 x13: 1ffff00004684dd4 x12: 0000000000ff0100 [ 58.084689][ T5512] x11: 0000000000000000 x10: 0000000000000000 x9 : 1127871fc0e35500 [ 58.085904][ T5512] x8 : 1127871fc0e35500 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.087084][ T5512] x5 : ffff800023426eb8 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 58.088264][ T5512] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.089465][ T5512] Call trace: [ 58.090011][ T5512] btrfs_commit_transaction+0x1ddc/0x3078 [ 58.090922][ T5512] btrfs_sync_fs+0x628/0xb24 [ 58.091643][ T5512] sync_filesystem+0x1a0/0x218 [ 58.092371][ T5512] btrfs_remount+0x198/0x12b0 [ 58.093079][ T5512] legacy_reconfigure+0xf8/0x110 [ 58.093909][ T5512] reconfigure_super+0x1d4/0x6f4 [ 58.094705][ T5512] path_mount+0xc88/0x1008 [ 58.095425][ T5512] __arm64_sys_mount+0x514/0x5f0 [ 58.096207][ T5512] invoke_syscall+0x98/0x2b0 [ 58.096928][ T5512] el0_svc_common+0x138/0x258 [ 58.097665][ T5512] do_el0_svc+0x58/0x13c [ 58.098348][ T5512] el0_svc+0x78/0x1d0 [ 58.098986][ T5512] el0t_64_sync_handler+0xcc/0xe4 [ 58.099816][ T5512] el0t_64_sync+0x1a0/0x1a4 [ 58.100511][ T5512] irq event stamp: 80076 [ 58.101150][ T5512] hardirqs last enabled at (80075): [] __up_console_sem+0xb4/0xfc [ 58.102732][ T5512] hardirqs last disabled at (80076): [] el1_dbg+0x24/0x80 [ 58.104162][ T5512] softirqs last enabled at (80066): [] handle_softirqs+0xa40/0xbe4 [ 58.105824][ T5512] softirqs last disabled at (79991): [] __irq_exit_rcu+0x240/0x43c [ 58.107349][ T5512] ---[ end trace 74b403455e3cd773 ]--- [ 58.109841][ T5512] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 58.111296][ T5512] BTRFS info (device loop0): forced readonly [ 58.112307][ T5512] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 58.297928][ T5534] loop0: detected capacity change from 0 to 32768 [ 58.300542][ T5534] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5534) [ 58.305098][ T5534] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 58.306607][ T5534] BTRFS info (device loop0): force clearing of disk cache [ 58.307778][ T5534] BTRFS info (device loop0): setting nodatasum [ 58.308951][ T5534] BTRFS info (device loop0): allowing degraded mounts [ 58.310140][ T5534] BTRFS info (device loop0): enabling disk space caching [ 58.311416][ T5534] BTRFS info (device loop0): disk space caching is enabled [ 58.312569][ T5534] BTRFS info (device loop0): has skinny extents [ 58.326082][ T5534] BTRFS info (device loop0): enabling ssd optimizations [ 58.327813][ T5534] BTRFS info (device loop0): clearing free space tree [ 58.329160][ T5534] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 58.330621][ T5534] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 58.334302][ T5534] BTRFS info (device loop0): checking UUID tree [ 58.336998][ T5534] FAULT_INJECTION: forcing a failure. [ 58.336998][ T5534] name failslab, interval 1, probability 0, space 0, times 0 [ 58.339432][ T5534] CPU: 0 PID: 5534 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.340824][ T5534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.342499][ T5534] Call trace: [ 58.343028][ T5534] dump_backtrace+0x0/0x458 [ 58.343815][ T5534] show_stack+0x2c/0x3c [ 58.344486][ T5534] __dump_stack+0x30/0x40 [ 58.345231][ T5534] dump_stack_lvl+0xf4/0x15c [ 58.345976][ T5534] dump_stack+0x1c/0x5c [ 58.346728][ T5534] should_fail+0x3bc/0x514 [ 58.347533][ T5534] __should_failslab+0xbc/0x10c [ 58.348385][ T5534] should_failslab+0x10/0x28 [ 58.349147][ T5534] slab_pre_alloc_hook+0x64/0xe8 [ 58.349893][ T5534] kmem_cache_alloc+0x94/0x3d4 [ 58.350621][ T5534] btrfs_alloc_path+0x5c/0x68 [ 58.351385][ T5534] __btrfs_run_delayed_items+0x88/0x46c [ 58.352239][ T5534] btrfs_run_delayed_items+0x24/0x34 [ 58.353092][ T5534] btrfs_commit_transaction+0x7e0/0x3078 [ 58.353982][ T5534] btrfs_sync_fs+0x628/0xb24 [ 58.354743][ T5534] sync_filesystem+0x1a0/0x218 [ 58.355526][ T5534] btrfs_remount+0x198/0x12b0 [ 58.356290][ T5534] legacy_reconfigure+0xf8/0x110 [ 58.357165][ T5534] reconfigure_super+0x1d4/0x6f4 [ 58.357975][ T5534] path_mount+0xc88/0x1008 [ 58.358748][ T5534] __arm64_sys_mount+0x514/0x5f0 [ 58.359576][ T5534] invoke_syscall+0x98/0x2b0 [ 58.360320][ T5534] el0_svc_common+0x138/0x258 [ 58.361089][ T5534] do_el0_svc+0x58/0x13c [ 58.361804][ T5534] el0_svc+0x78/0x1d0 [ 58.362466][ T5534] el0t_64_sync_handler+0xcc/0xe4 [ 58.363302][ T5534] el0t_64_sync+0x1a0/0x1a4 [ 58.364351][ T5534] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 58.365801][ T5534] ------------[ cut here ]------------ [ 58.366772][ T5534] WARNING: CPU: 0 PID: 5534 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 58.368427][ T5534] Modules linked in: [ 58.369099][ T5534] CPU: 0 PID: 5534 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.370477][ T5534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.372111][ T5534] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.373397][ T5534] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 58.374329][ T5534] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 58.375320][ T5534] sp : ffff8000236275a0 [ 58.376059][ T5534] x29: ffff8000236277e0 x28: ffff7000046c4ecc x27: 1fffe0001962d595 [ 58.377339][ T5534] x26: ffff0000c2a01000 x25: 00000000fffffff4 x24: ffff0000cb16aca8 [ 58.378641][ T5534] x23: ffff0000dd2c2318 x22: ffff0000dd2c22c0 x21: ffff0000ce6e0000 [ 58.379932][ T5534] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 58.381196][ T5534] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 58.382470][ T5534] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 58.383685][ T5534] x11: 0000000000000000 x10: 0000000000000000 x9 : 06e85cc7b714ec00 [ 58.384953][ T5534] x8 : 06e85cc7b714ec00 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.386227][ T5534] x5 : ffff800023626eb8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 58.387472][ T5534] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.388787][ T5534] Call trace: [ 58.389338][ T5534] btrfs_commit_transaction+0x1ddc/0x3078 [ 58.390203][ T5534] btrfs_sync_fs+0x628/0xb24 [ 58.390929][ T5534] sync_filesystem+0x1a0/0x218 [ 58.391694][ T5534] btrfs_remount+0x198/0x12b0 [ 58.392430][ T5534] legacy_reconfigure+0xf8/0x110 [ 58.393232][ T5534] reconfigure_super+0x1d4/0x6f4 [ 58.393988][ T5534] path_mount+0xc88/0x1008 [ 58.394718][ T5534] __arm64_sys_mount+0x514/0x5f0 [ 58.395529][ T5534] invoke_syscall+0x98/0x2b0 [ 58.396239][ T5534] el0_svc_common+0x138/0x258 [ 58.397054][ T5534] do_el0_svc+0x58/0x13c [ 58.397717][ T5534] el0_svc+0x78/0x1d0 [ 58.398335][ T5534] el0t_64_sync_handler+0xcc/0xe4 [ 58.399225][ T5534] el0t_64_sync+0x1a0/0x1a4 [ 58.399958][ T5534] irq event stamp: 81106 [ 58.400699][ T5534] hardirqs last enabled at (81105): [] __up_console_sem+0xb4/0xfc [ 58.402260][ T5534] hardirqs last disabled at (81106): [] el1_dbg+0x24/0x80 [ 58.403655][ T5534] softirqs last enabled at (81072): [] handle_softirqs+0xa40/0xbe4 [ 58.405073][ T5534] softirqs last disabled at (81041): [] __irq_exit_rcu+0x240/0x43c [ 58.406614][ T5534] ---[ end trace 74b403455e3cd774 ]--- [ 58.407982][ T5534] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 58.409608][ T5534] BTRFS info (device loop0): forced readonly [ 58.410713][ T5534] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 58.595138][ T5556] loop0: detected capacity change from 0 to 32768 [ 58.597731][ T5556] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5556) [ 58.602527][ T5556] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 58.604065][ T5556] BTRFS info (device loop0): force clearing of disk cache [ 58.605388][ T5556] BTRFS info (device loop0): setting nodatasum [ 58.606394][ T5556] BTRFS info (device loop0): allowing degraded mounts [ 58.607648][ T5556] BTRFS info (device loop0): enabling disk space caching [ 58.609803][ T5556] BTRFS info (device loop0): disk space caching is enabled [ 58.610985][ T5556] BTRFS info (device loop0): has skinny extents [ 58.620154][ T5556] BTRFS info (device loop0): enabling ssd optimizations [ 58.621847][ T5556] BTRFS info (device loop0): clearing free space tree [ 58.623062][ T5556] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 58.624739][ T5556] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 58.629348][ T5556] BTRFS info (device loop0): checking UUID tree [ 58.632016][ T5556] FAULT_INJECTION: forcing a failure. [ 58.632016][ T5556] name failslab, interval 1, probability 0, space 0, times 0 [ 58.634045][ T5556] CPU: 1 PID: 5556 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.635439][ T5556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.637021][ T5556] Call trace: [ 58.637526][ T5556] dump_backtrace+0x0/0x458 [ 58.638250][ T5556] show_stack+0x2c/0x3c [ 58.638875][ T5556] __dump_stack+0x30/0x40 [ 58.639548][ T5556] dump_stack_lvl+0xf4/0x15c [ 58.640346][ T5556] dump_stack+0x1c/0x5c [ 58.640984][ T5556] should_fail+0x3bc/0x514 [ 58.641714][ T5556] __should_failslab+0xbc/0x10c [ 58.642542][ T5556] should_failslab+0x10/0x28 [ 58.643245][ T5556] slab_pre_alloc_hook+0x64/0xe8 [ 58.643975][ T5556] kmem_cache_alloc+0x94/0x3d4 [ 58.644760][ T5556] start_transaction+0x4d0/0x13ec [ 58.645581][ T5556] btrfs_attach_transaction_barrier+0x30/0xac [ 58.646559][ T5556] btrfs_sync_fs+0x13c/0xb24 [ 58.647368][ T5556] sync_filesystem+0x1a0/0x218 [ 58.648093][ T5556] btrfs_remount+0x198/0x12b0 [ 58.648876][ T5556] legacy_reconfigure+0xf8/0x110 [ 58.649657][ T5556] reconfigure_super+0x1d4/0x6f4 [ 58.650491][ T5556] path_mount+0xc88/0x1008 [ 58.651215][ T5556] __arm64_sys_mount+0x514/0x5f0 [ 58.652002][ T5556] invoke_syscall+0x98/0x2b0 [ 58.652692][ T5556] el0_svc_common+0x138/0x258 [ 58.653467][ T5556] do_el0_svc+0x58/0x13c [ 58.654072][ T5556] el0_svc+0x78/0x1d0 [ 58.654805][ T5556] el0t_64_sync_handler+0xcc/0xe4 [ 58.655632][ T5556] el0t_64_sync+0x1a0/0x1a4 [ 58.867987][ T5578] loop0: detected capacity change from 0 to 32768 [ 58.870871][ T5578] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5578) [ 58.875276][ T5578] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 58.876992][ T5578] BTRFS info (device loop0): force clearing of disk cache [ 58.878584][ T5578] BTRFS info (device loop0): setting nodatasum [ 58.879561][ T5578] BTRFS info (device loop0): allowing degraded mounts [ 58.880865][ T5578] BTRFS info (device loop0): enabling disk space caching [ 58.882132][ T5578] BTRFS info (device loop0): disk space caching is enabled [ 58.883436][ T5578] BTRFS info (device loop0): has skinny extents [ 58.894749][ T5578] BTRFS info (device loop0): enabling ssd optimizations [ 58.896441][ T5578] BTRFS info (device loop0): clearing free space tree [ 58.897640][ T5578] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 58.900113][ T5578] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 58.903758][ T5578] BTRFS info (device loop0): checking UUID tree [ 58.906418][ T5578] FAULT_INJECTION: forcing a failure. [ 58.906418][ T5578] name failslab, interval 1, probability 0, space 0, times 0 [ 58.908573][ T5578] CPU: 0 PID: 5578 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.910084][ T5578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.911836][ T5578] Call trace: [ 58.912390][ T5578] dump_backtrace+0x0/0x458 [ 58.913120][ T5578] show_stack+0x2c/0x3c [ 58.913808][ T5578] __dump_stack+0x30/0x40 [ 58.914558][ T5578] dump_stack_lvl+0xf4/0x15c [ 58.915364][ T5578] dump_stack+0x1c/0x5c [ 58.916101][ T5578] should_fail+0x3bc/0x514 [ 58.916823][ T5578] __should_failslab+0xbc/0x10c [ 58.917628][ T5578] should_failslab+0x10/0x28 [ 58.918392][ T5578] slab_pre_alloc_hook+0x64/0xe8 [ 58.919239][ T5578] kmem_cache_alloc+0x94/0x3d4 [ 58.920058][ T5578] start_transaction+0x4d0/0x13ec [ 58.920898][ T5578] btrfs_attach_transaction_barrier+0x30/0xac [ 58.921851][ T5578] btrfs_sync_fs+0x13c/0xb24 [ 58.922613][ T5578] sync_filesystem+0x1a0/0x218 [ 58.923387][ T5578] btrfs_remount+0x198/0x12b0 [ 58.924134][ T5578] legacy_reconfigure+0xf8/0x110 [ 58.924924][ T5578] reconfigure_super+0x1d4/0x6f4 [ 58.925786][ T5578] path_mount+0xc88/0x1008 [ 58.926485][ T5578] __arm64_sys_mount+0x514/0x5f0 [ 58.927369][ T5578] invoke_syscall+0x98/0x2b0 [ 58.928185][ T5578] el0_svc_common+0x138/0x258 [ 58.928971][ T5578] do_el0_svc+0x58/0x13c [ 58.929688][ T5578] el0_svc+0x78/0x1d0 [ 58.930350][ T5578] el0t_64_sync_handler+0xcc/0xe4 [ 58.931178][ T5578] el0t_64_sync+0x1a0/0x1a4 [ 59.116091][ T5600] loop0: detected capacity change from 0 to 32768 [ 59.118910][ T5600] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5600) [ 59.123835][ T5600] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 59.125440][ T5600] BTRFS info (device loop0): force clearing of disk cache [ 59.150370][ T5600] FAULT_INJECTION: forcing a failure. [ 59.150370][ T5600] name failslab, interval 1, probability 0, space 0, times 0 [ 59.152541][ T5600] CPU: 0 PID: 5600 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.154050][ T5600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.155770][ T5600] Call trace: [ 59.156286][ T5600] dump_backtrace+0x0/0x458 [ 59.157126][ T5600] show_stack+0x2c/0x3c [ 59.157863][ T5600] __dump_stack+0x30/0x40 [ 59.158641][ T5600] dump_stack_lvl+0xf4/0x15c [ 59.159406][ T5600] dump_stack+0x1c/0x5c [ 59.160081][ T5600] should_fail+0x3bc/0x514 [ 59.160777][ T5600] __should_failslab+0xbc/0x10c [ 59.161594][ T5600] should_failslab+0x10/0x28 [ 59.162382][ T5600] slab_pre_alloc_hook+0x64/0xe8 [ 59.163238][ T5600] kmem_cache_alloc_trace+0x98/0x3ec [ 59.164075][ T5600] bdi_split_work_to_wbs+0x3f4/0x77c [ 59.164999][ T5600] __writeback_inodes_sb_nr+0x1ac/0x224 [ 59.165941][ T5600] writeback_inodes_sb+0x78/0x8c [ 59.166709][ T5600] sync_filesystem+0xa0/0x218 [ 59.167443][ T5600] btrfs_remount+0x198/0x12b0 [ 59.168157][ T5600] legacy_reconfigure+0xf8/0x110 [ 59.169059][ T5600] reconfigure_super+0x1d4/0x6f4 [ 59.169894][ T5600] path_mount+0xc88/0x1008 [ 59.170653][ T5600] __arm64_sys_mount+0x514/0x5f0 [ 59.171455][ T5600] invoke_syscall+0x98/0x2b0 [ 59.172183][ T5600] el0_svc_common+0x138/0x258 [ 59.172945][ T5600] do_el0_svc+0x58/0x13c [ 59.173946][ T5600] el0_svc+0x78/0x1d0 [ 59.174542][ T5600] el0t_64_sync_handler+0xcc/0xe4 [ 59.175389][ T5600] el0t_64_sync+0x1a0/0x1a4 [ 59.364569][ T5622] loop0: detected capacity change from 0 to 32768 [ 59.367047][ T5622] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5622) [ 59.395822][ T5622] FAULT_INJECTION: forcing a failure. [ 59.395822][ T5622] name failslab, interval 1, probability 0, space 0, times 0 [ 59.398296][ T5622] CPU: 1 PID: 5622 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.399705][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.401421][ T5622] Call trace: [ 59.401995][ T5622] dump_backtrace+0x0/0x458 [ 59.402767][ T5622] show_stack+0x2c/0x3c [ 59.403473][ T5622] __dump_stack+0x30/0x40 [ 59.404163][ T5622] dump_stack_lvl+0xf4/0x15c [ 59.404914][ T5622] dump_stack+0x1c/0x5c [ 59.405580][ T5622] should_fail+0x3bc/0x514 [ 59.406228][ T5622] __should_failslab+0xbc/0x10c [ 59.406929][ T5622] should_failslab+0x10/0x28 [ 59.407667][ T5622] slab_pre_alloc_hook+0x64/0xe8 [ 59.408468][ T5622] kmem_cache_alloc+0x94/0x3d4 [ 59.409264][ T5622] start_transaction+0x4d0/0x13ec [ 59.410108][ T5622] btrfs_attach_transaction_barrier+0x30/0xac [ 59.411106][ T5622] btrfs_sync_fs+0x13c/0xb24 [ 59.411905][ T5622] sync_filesystem+0x1a0/0x218 [ 59.412736][ T5622] btrfs_remount+0x198/0x12b0 [ 59.413606][ T5622] legacy_reconfigure+0xf8/0x110 [ 59.414394][ T5622] reconfigure_super+0x1d4/0x6f4 [ 59.415181][ T5622] path_mount+0xc88/0x1008 [ 59.415849][ T5622] __arm64_sys_mount+0x514/0x5f0 [ 59.416609][ T5622] invoke_syscall+0x98/0x2b0 [ 59.417338][ T5622] el0_svc_common+0x138/0x258 [ 59.418141][ T5622] do_el0_svc+0x58/0x13c [ 59.418876][ T5622] el0_svc+0x78/0x1d0 [ 59.419546][ T5622] el0t_64_sync_handler+0xcc/0xe4 [ 59.420327][ T5622] el0t_64_sync+0x1a0/0x1a4 [ 59.597087][ T5644] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5644) [ 59.616649][ T5644] FAULT_INJECTION: forcing a failure. [ 59.616649][ T5644] name failslab, interval 1, probability 0, space 0, times 0 [ 59.619009][ T5644] CPU: 0 PID: 5644 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.620335][ T5644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.621852][ T5644] Call trace: [ 59.622372][ T5644] dump_backtrace+0x0/0x458 [ 59.623158][ T5644] show_stack+0x2c/0x3c [ 59.623806][ T5644] __dump_stack+0x30/0x40 [ 59.624551][ T5644] dump_stack_lvl+0xf4/0x15c [ 59.625282][ T5644] dump_stack+0x1c/0x5c [ 59.625979][ T5644] should_fail+0x3bc/0x514 [ 59.626716][ T5644] __should_failslab+0xbc/0x10c [ 59.627491][ T5644] should_failslab+0x10/0x28 [ 59.628217][ T5644] slab_pre_alloc_hook+0x64/0xe8 [ 59.629040][ T5644] kmem_cache_alloc+0x94/0x3d4 [ 59.629843][ T5644] start_transaction+0x4d0/0x13ec [ 59.630701][ T5644] btrfs_attach_transaction_barrier+0x30/0xac [ 59.631697][ T5644] btrfs_sync_fs+0x13c/0xb24 [ 59.632539][ T5644] sync_filesystem+0x1a0/0x218 [ 59.633348][ T5644] btrfs_remount+0x198/0x12b0 [ 59.634119][ T5644] legacy_reconfigure+0xf8/0x110 [ 59.634917][ T5644] reconfigure_super+0x1d4/0x6f4 [ 59.635724][ T5644] path_mount+0xc88/0x1008 [ 59.636410][ T5644] __arm64_sys_mount+0x514/0x5f0 [ 59.637253][ T5644] invoke_syscall+0x98/0x2b0 [ 59.638034][ T5644] el0_svc_common+0x138/0x258 [ 59.638803][ T5644] do_el0_svc+0x58/0x13c [ 59.639522][ T5644] el0_svc+0x78/0x1d0 [ 59.640168][ T5644] el0t_64_sync_handler+0xcc/0xe4 [ 59.640986][ T5644] el0t_64_sync+0x1a0/0x1a4 [ 59.825469][ T5666] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5666) [ 59.852353][ T5666] FAULT_INJECTION: forcing a failure. [ 59.852353][ T5666] name failslab, interval 1, probability 0, space 0, times 0 [ 59.854402][ T5666] CPU: 1 PID: 5666 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.855832][ T5666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.857479][ T5666] Call trace: [ 59.857976][ T5666] dump_backtrace+0x0/0x458 [ 59.858768][ T5666] show_stack+0x2c/0x3c [ 59.859390][ T5666] __dump_stack+0x30/0x40 [ 59.860094][ T5666] dump_stack_lvl+0xf4/0x15c [ 59.860898][ T5666] dump_stack+0x1c/0x5c [ 59.861583][ T5666] should_fail+0x3bc/0x514 [ 59.862369][ T5666] __should_failslab+0xbc/0x10c [ 59.863284][ T5666] should_failslab+0x10/0x28 [ 59.864062][ T5666] slab_pre_alloc_hook+0x64/0xe8 [ 59.864885][ T5666] kmem_cache_alloc+0x94/0x3d4 [ 59.865613][ T5666] btrfs_alloc_path+0x5c/0x68 [ 59.866423][ T5666] __btrfs_run_delayed_items+0x88/0x46c [ 59.867372][ T5666] btrfs_run_delayed_items+0x24/0x34 [ 59.868224][ T5666] btrfs_commit_transaction+0x7e0/0x3078 [ 59.869205][ T5666] btrfs_sync_fs+0x628/0xb24 [ 59.870029][ T5666] sync_filesystem+0x1a0/0x218 [ 59.870875][ T5666] btrfs_remount+0x198/0x12b0 [ 59.871695][ T5666] legacy_reconfigure+0xf8/0x110 [ 59.872579][ T5666] reconfigure_super+0x1d4/0x6f4 [ 59.873393][ T5666] path_mount+0xc88/0x1008 [ 59.874140][ T5666] __arm64_sys_mount+0x514/0x5f0 [ 59.874944][ T5666] invoke_syscall+0x98/0x2b0 [ 59.875700][ T5666] el0_svc_common+0x138/0x258 [ 59.876586][ T5666] do_el0_svc+0x58/0x13c [ 59.877302][ T5666] el0_svc+0x78/0x1d0 [ 59.877929][ T5666] el0t_64_sync_handler+0xcc/0xe4 [ 59.878771][ T5666] el0t_64_sync+0x1a0/0x1a4 [ 59.881959][ T5666] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 59.883253][ T5666] ------------[ cut here ]------------ [ 59.884294][ T5666] WARNING: CPU: 1 PID: 5666 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 59.885872][ T5666] Modules linked in: [ 59.886512][ T5666] CPU: 1 PID: 5666 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.888078][ T5666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.889871][ T5666] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.891158][ T5666] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 59.892088][ T5666] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 59.893066][ T5666] sp : ffff800023ec75a0 [ 59.893687][ T5666] x29: ffff800023ec77e0 x28: ffff7000047d8ecc x27: 1fffe0001a162595 [ 59.894987][ T5666] x26: ffff0000c2532000 x25: 00000000fffffff4 x24: ffff0000d0b12ca8 [ 59.896365][ T5666] x23: ffff0000dd2d9cb8 x22: ffff0000dd2d9c60 x21: ffff0000d1a58000 [ 59.897703][ T5666] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 59.899177][ T5666] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 59.900535][ T5666] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 59.901847][ T5666] x11: 0000000000000000 x10: 0000000000000000 x9 : cfd36fb0ead45800 [ 59.903164][ T5666] x8 : cfd36fb0ead45800 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.904465][ T5666] x5 : ffff800023ec6eb8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 59.905801][ T5666] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.907074][ T5666] Call trace: [ 59.907563][ T5666] btrfs_commit_transaction+0x1ddc/0x3078 [ 59.908514][ T5666] btrfs_sync_fs+0x628/0xb24 [ 59.909278][ T5666] sync_filesystem+0x1a0/0x218 [ 59.910118][ T5666] btrfs_remount+0x198/0x12b0 [ 59.910909][ T5666] legacy_reconfigure+0xf8/0x110 [ 59.911647][ T5666] reconfigure_super+0x1d4/0x6f4 [ 59.912474][ T5666] path_mount+0xc88/0x1008 [ 59.913166][ T5666] __arm64_sys_mount+0x514/0x5f0 [ 59.913936][ T5666] invoke_syscall+0x98/0x2b0 [ 59.914714][ T5666] el0_svc_common+0x138/0x258 [ 59.915540][ T5666] do_el0_svc+0x58/0x13c [ 59.916254][ T5666] el0_svc+0x78/0x1d0 [ 59.916939][ T5666] el0t_64_sync_handler+0xcc/0xe4 [ 59.917857][ T5666] el0t_64_sync+0x1a0/0x1a4 [ 59.918605][ T5666] irq event stamp: 80616 [ 59.919361][ T5666] hardirqs last enabled at (80615): [] __up_console_sem+0xb4/0xfc [ 59.920897][ T5666] hardirqs last disabled at (80616): [] el1_dbg+0x24/0x80 [ 59.922393][ T5666] softirqs last enabled at (80586): [] handle_softirqs+0xa40/0xbe4 [ 59.923947][ T5666] softirqs last disabled at (80419): [] __irq_exit_rcu+0x240/0x43c [ 59.925544][ T5666] ---[ end trace 74b403455e3cd775 ]--- [ 59.927690][ T5666] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 59.929301][ T5666] BTRFS error (device loop0): Remounting read-write after error is not allowed