Warning: Permanently added '10.128.1.142' (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 [ 45.336010][ T4258] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:45 executed programs: 0 [ 45.398678][ T4267] chnl_net:caif_netlink_parms(): no params data found [ 45.415509][ T4267] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.416787][ T4267] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.418290][ T4267] device bridge_slave_0 entered promiscuous mode [ 45.420273][ T4267] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.421477][ T4267] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.422977][ T4267] device bridge_slave_1 entered promiscuous mode [ 45.430114][ T4267] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 45.432483][ T4267] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 45.440717][ T4267] team0: Port device team_slave_0 added [ 45.442554][ T4267] team0: Port device team_slave_1 added [ 45.448733][ T4267] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 45.449905][ T4267] 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. [ 45.453940][ T4267] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 45.456681][ T4267] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 45.457757][ T4267] 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. [ 45.461878][ T4267] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 45.486678][ T4267] device hsr_slave_0 entered promiscuous mode [ 45.525638][ T4267] device hsr_slave_1 entered promiscuous mode [ 46.084055][ T4267] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.106653][ T4267] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.146667][ T4267] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.167332][ T4267] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.213216][ T4267] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.214451][ T4267] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.215869][ T4267] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.217023][ T4267] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.237296][ T4267] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.241311][ T663] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.243079][ T663] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.244864][ T663] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.249976][ T663] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 46.254399][ T4267] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.258051][ T1621] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.259534][ T1621] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.260690][ T1621] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.263718][ T1621] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.265418][ T1621] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.266617][ T1621] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.275409][ T663] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.277730][ T663] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.281478][ T1621] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.284985][ T1621] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.290217][ T1621] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.293152][ T4267] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.334122][ T4267] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.336589][ T1621] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.337882][ T1621] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.344730][ T1621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.352327][ T663] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.353869][ T663] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.355270][ T663] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.358755][ T4267] device veth0_vlan entered promiscuous mode [ 46.362107][ T4267] device veth1_vlan entered promiscuous mode [ 46.370640][ T663] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.372140][ T663] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.373649][ T663] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.376867][ T4267] device veth0_macvtap entered promiscuous mode [ 46.379255][ T4267] device veth1_macvtap entered promiscuous mode [ 46.384951][ T4267] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.387959][ T663] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.389942][ T663] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 46.393069][ T4267] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.394228][ T663] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.396272][ T663] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.399027][ T4267] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.400387][ T4267] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.401828][ T4267] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.403367][ T4267] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.533057][ T4386] loop0: detected capacity change from 0 to 32768 [ 46.536743][ T4386] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4386) [ 46.542184][ T4386] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 46.544078][ T4386] BTRFS info (device loop0): setting nodatacow, compression disabled [ 46.546069][ T4386] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 46.547826][ T4386] BTRFS info (device loop0): trying to use backup root at mount time [ 46.549170][ T4386] BTRFS info (device loop0): metadata ratio 1564 [ 46.550197][ T4386] BTRFS info (device loop0): doing ref verification [ 46.551174][ T4386] BTRFS info (device loop0): force zlib compression, level 3 [ 46.552281][ T4386] BTRFS info (device loop0): turning on flush-on-commit [ 46.553344][ T4386] BTRFS info (device loop0): using free space tree [ 46.554349][ T4386] BTRFS info (device loop0): has skinny extents [ 46.616301][ T4386] BTRFS info (device loop0): enabling ssd optimizations [ 46.631340][ T4386] FAULT_INJECTION: forcing a failure. [ 46.631340][ T4386] name failslab, interval 1, probability 0, space 0, times 1 [ 46.633326][ T4386] CPU: 0 PID: 4386 Comm: syz-executor.0 Not tainted syzkaller #0 [ 46.634550][ T4386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 46.636105][ T4386] Call trace: [ 46.636622][ T4386] dump_backtrace+0x0/0x458 [ 46.637365][ T4386] show_stack+0x2c/0x3c [ 46.638037][ T4386] __dump_stack+0x30/0x40 [ 46.638745][ T4386] dump_stack_lvl+0xf4/0x15c [ 46.639507][ T4386] dump_stack+0x1c/0x5c [ 46.640160][ T4386] should_fail+0x3bc/0x514 [ 46.640939][ T4386] __should_failslab+0xbc/0x10c [ 46.641684][ T4386] should_failslab+0x10/0x28 [ 46.642509][ T4386] slab_pre_alloc_hook+0x64/0xe8 [ 46.643360][ T4386] kmem_cache_alloc+0x94/0x3d4 [ 46.644159][ T4386] alloc_extent_state+0x38/0x42c [ 46.644950][ T4386] convert_extent_bit+0x17c/0x16ec [ 46.645759][ T4386] btrfs_write_marked_extents+0x178/0x364 [ 46.646639][ T4386] btrfs_sync_log+0x764/0x1f5c [ 46.647349][ T4386] btrfs_sync_file+0x9c0/0xebc [ 46.648073][ T4386] vfs_fsync_range+0x168/0x188 [ 46.648805][ T4386] btrfs_file_write_iter+0xa70/0xbb8 [ 46.649574][ T4386] vfs_write+0x590/0xa60 [ 46.650192][ T4386] ksys_write+0x12c/0x224 [ 46.650844][ T4386] __arm64_sys_write+0x7c/0x90 [ 46.651588][ T4386] invoke_syscall+0x98/0x2b0 [ 46.652290][ T4386] el0_svc_common+0x138/0x258 [ 46.653003][ T4386] do_el0_svc+0x58/0x13c [ 46.653648][ T4386] el0_svc+0x78/0x1d0 [ 46.654205][ T4386] el0t_64_sync_handler+0xcc/0xe4 [ 46.654974][ T4386] el0t_64_sync+0x1a0/0x1a4 [ 46.905404][ T4459] loop0: detected capacity change from 0 to 32768 [ 46.913840][ T4459] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4459) [ 46.922852][ T4459] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 46.925536][ T4459] BTRFS info (device loop0): setting nodatacow, compression disabled [ 46.928054][ T4459] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 46.938845][ T4459] BTRFS info (device loop0): trying to use backup root at mount time [ 46.940400][ T4459] BTRFS info (device loop0): metadata ratio 1564 [ 46.941382][ T4459] BTRFS info (device loop0): doing ref verification [ 46.942549][ T4459] BTRFS info (device loop0): force zlib compression, level 3 [ 46.943867][ T4459] BTRFS info (device loop0): turning on flush-on-commit [ 46.945027][ T4459] BTRFS info (device loop0): using free space tree [ 46.946268][ T4459] BTRFS info (device loop0): has skinny extents [ 46.991861][ T4459] BTRFS info (device loop0): enabling ssd optimizations [ 46.999704][ T4459] FAULT_INJECTION: forcing a failure. [ 46.999704][ T4459] name failslab, interval 1, probability 0, space 0, times 0 [ 47.001911][ T4459] CPU: 1 PID: 4459 Comm: syz-executor.0 Not tainted syzkaller #0 [ 47.003060][ T4459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 47.004626][ T4459] Call trace: [ 47.005183][ T4459] dump_backtrace+0x0/0x458 [ 47.005933][ T4459] show_stack+0x2c/0x3c [ 47.006648][ T4459] __dump_stack+0x30/0x40 [ 47.007381][ T4459] dump_stack_lvl+0xf4/0x15c [ 47.008098][ T4459] dump_stack+0x1c/0x5c [ 47.008751][ T4459] should_fail+0x3bc/0x514 [ 47.009464][ T4459] __should_failslab+0xbc/0x10c [ 47.010284][ T4459] should_failslab+0x10/0x28 [ 47.011023][ T4459] slab_pre_alloc_hook+0x64/0xe8 [ 47.011845][ T4459] kmem_cache_alloc+0x94/0x3d4 [ 47.012665][ T4459] mempool_alloc_slab+0x58/0x74 [ 47.013447][ T4459] mempool_alloc+0x144/0x3f0 [ 47.014197][ T4459] bio_alloc_bioset+0x118/0x718 [ 47.014968][ T4459] submit_extent_page+0x424/0x11d4 [ 47.015809][ T4459] write_one_eb+0x1bc/0x55c [ 47.016499][ T4459] btree_write_cache_pages+0xef4/0x149c [ 47.017450][ T4459] btree_writepages+0x6c/0x190 [ 47.018266][ T4459] do_writepages+0x364/0x584 [ 47.019018][ T4459] filemap_fdatawrite_wbc+0x1d4/0x234 [ 47.019920][ T4459] filemap_fdatawrite_range+0xc0/0x114 [ 47.020896][ T4459] btrfs_write_marked_extents+0x1bc/0x364 [ 47.021772][ T4459] btrfs_sync_log+0x12f8/0x1f5c [ 47.022597][ T4459] btrfs_sync_file+0x9c0/0xebc [ 47.023369][ T4459] vfs_fsync_range+0x168/0x188 [ 47.024134][ T4459] btrfs_file_write_iter+0xa70/0xbb8 [ 47.024969][ T4459] vfs_write+0x590/0xa60 [ 47.025657][ T4459] ksys_write+0x12c/0x224 [ 47.026298][ T4459] __arm64_sys_write+0x7c/0x90 [ 47.027086][ T4459] invoke_syscall+0x98/0x2b0 [ 47.027865][ T4459] el0_svc_common+0x138/0x258 [ 47.028653][ T4459] do_el0_svc+0x58/0x13c [ 47.029411][ T4459] el0_svc+0x78/0x1d0 [ 47.030077][ T4459] el0t_64_sync_handler+0xcc/0xe4 [ 47.030805][ T4459] el0t_64_sync+0x1a0/0x1a4 [ 47.230666][ T4513] loop0: detected capacity change from 0 to 32768 [ 47.237022][ T4513] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4513) [ 47.242810][ T4513] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 47.244406][ T4513] BTRFS info (device loop0): setting nodatacow, compression disabled [ 47.247031][ T4513] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 47.248828][ T4513] BTRFS info (device loop0): trying to use backup root at mount time [ 47.250106][ T4513] BTRFS info (device loop0): metadata ratio 1564 [ 47.251077][ T4513] BTRFS info (device loop0): doing ref verification [ 47.252119][ T4513] BTRFS info (device loop0): force zlib compression, level 3 [ 47.253242][ T4513] BTRFS info (device loop0): turning on flush-on-commit [ 47.254304][ T4513] BTRFS info (device loop0): using free space tree [ 47.255310][ T4513] BTRFS info (device loop0): has skinny extents [ 47.322130][ T4513] BTRFS info (device loop0): enabling ssd optimizations [ 47.327630][ T4513] FAULT_INJECTION: forcing a failure. [ 47.327630][ T4513] name failslab, interval 1, probability 0, space 0, times 0 [ 47.329904][ T4513] CPU: 0 PID: 4513 Comm: syz-executor.0 Not tainted syzkaller #0 [ 47.331152][ T4513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 47.332815][ T4513] Call trace: [ 47.333279][ T4513] dump_backtrace+0x0/0x458 [ 47.333953][ T4513] show_stack+0x2c/0x3c [ 47.334592][ T4513] __dump_stack+0x30/0x40 [ 47.335219][ T4513] dump_stack_lvl+0xf4/0x15c [ 47.335932][ T4513] dump_stack+0x1c/0x5c [ 47.336560][ T4513] should_fail+0x3bc/0x514 [ 47.337207][ T4513] __should_failslab+0xbc/0x10c [ 47.337958][ T4513] should_failslab+0x10/0x28 [ 47.338587][ T4513] slab_pre_alloc_hook+0x64/0xe8 [ 47.339328][ T4513] kmem_cache_alloc+0x94/0x3d4 [ 47.339997][ T4513] alloc_extent_state+0x38/0x42c [ 47.340734][ T4513] convert_extent_bit+0x17c/0x16ec [ 47.341525][ T4513] btrfs_write_marked_extents+0x178/0x364 [ 47.342374][ T4513] btrfs_sync_log+0x12f8/0x1f5c [ 47.343035][ T4513] btrfs_sync_file+0x9c0/0xebc [ 47.343763][ T4513] vfs_fsync_range+0x168/0x188 [ 47.344594][ T4513] btrfs_file_write_iter+0xa70/0xbb8 [ 47.345495][ T4513] vfs_write+0x590/0xa60 [ 47.346169][ T4513] ksys_write+0x12c/0x224 [ 47.346915][ T4513] __arm64_sys_write+0x7c/0x90 [ 47.347682][ T4513] invoke_syscall+0x98/0x2b0 [ 47.348460][ T4513] el0_svc_common+0x138/0x258 [ 47.349191][ T4513] do_el0_svc+0x58/0x13c [ 47.349868][ T4513] el0_svc+0x78/0x1d0 [ 47.350516][ T4513] el0t_64_sync_handler+0xcc/0xe4 [ 47.351339][ T4513] el0t_64_sync+0x1a0/0x1a4 [ 47.376442][ T4064] Bluetooth: hci0: command 0x0409 tx timeout [ 47.548272][ T4571] loop0: detected capacity change from 0 to 32768 [ 47.554492][ T4571] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4571) [ 47.559845][ T4571] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 47.561443][ T4571] BTRFS info (device loop0): setting nodatacow, compression disabled [ 47.562844][ T4571] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 47.564574][ T4571] BTRFS info (device loop0): trying to use backup root at mount time [ 47.566298][ T4571] BTRFS info (device loop0): metadata ratio 1564 [ 47.567410][ T4571] BTRFS info (device loop0): doing ref verification [ 47.568619][ T4571] BTRFS info (device loop0): force zlib compression, level 3 [ 47.569784][ T4571] BTRFS info (device loop0): turning on flush-on-commit [ 47.570955][ T4571] BTRFS info (device loop0): using free space tree [ 47.571973][ T4571] BTRFS info (device loop0): has skinny extents [ 47.580433][ T4571] BTRFS info (device loop0): enabling ssd optimizations [ 47.587024][ T4571] FAULT_INJECTION: forcing a failure. [ 47.587024][ T4571] name failslab, interval 1, probability 0, space 0, times 0 [ 47.590266][ T4571] CPU: 1 PID: 4571 Comm: syz-executor.0 Not tainted syzkaller #0 [ 47.591469][ T4571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 47.593146][ T4571] Call trace: [ 47.593694][ T4571] dump_backtrace+0x0/0x458 [ 47.594411][ T4571] show_stack+0x2c/0x3c [ 47.595040][ T4571] __dump_stack+0x30/0x40 [ 47.595766][ T4571] dump_stack_lvl+0xf4/0x15c [ 47.596562][ T4571] dump_stack+0x1c/0x5c [ 47.597187][ T4571] should_fail+0x3bc/0x514 [ 47.597854][ T4571] __should_failslab+0xbc/0x10c [ 47.598620][ T4571] should_failslab+0x10/0x28 [ 47.599472][ T4571] slab_pre_alloc_hook+0x64/0xe8 [ 47.600309][ T4571] kmem_cache_alloc+0x94/0x3d4 [ 47.601098][ T4571] mempool_alloc_slab+0x58/0x74 [ 47.601955][ T4571] mempool_alloc+0x144/0x3f0 [ 47.602732][ T4571] bio_alloc_bioset+0x118/0x718 [ 47.603569][ T4571] submit_extent_page+0x424/0x11d4 [ 47.604392][ T4571] write_one_eb+0x1bc/0x55c [ 47.605095][ T4571] btree_write_cache_pages+0xef4/0x149c [ 47.606072][ T4571] btree_writepages+0x6c/0x190 [ 47.606875][ T4571] do_writepages+0x364/0x584 [ 47.607653][ T4571] filemap_fdatawrite_wbc+0x1d4/0x234 [ 47.608544][ T4571] filemap_fdatawrite_range+0xc0/0x114 [ 47.609426][ T4571] btrfs_write_marked_extents+0x1bc/0x364 [ 47.610359][ T4571] btrfs_sync_log+0x12f8/0x1f5c [ 47.611105][ T4571] btrfs_sync_file+0x9c0/0xebc [ 47.611819][ T4571] vfs_fsync_range+0x168/0x188 [ 47.612541][ T4571] btrfs_file_write_iter+0xa70/0xbb8 [ 47.613448][ T4571] vfs_write+0x590/0xa60 [ 47.614169][ T4571] ksys_write+0x12c/0x224 [ 47.614887][ T4571] __arm64_sys_write+0x7c/0x90 [ 47.615686][ T4571] invoke_syscall+0x98/0x2b0 [ 47.616437][ T4571] el0_svc_common+0x138/0x258 [ 47.617193][ T4571] do_el0_svc+0x58/0x13c [ 47.617845][ T4571] el0_svc+0x78/0x1d0 [ 47.618450][ T4571] el0t_64_sync_handler+0xcc/0xe4 [ 47.619299][ T4571] el0t_64_sync+0x1a0/0x1a4 [ 47.818729][ T4631] loop0: detected capacity change from 0 to 32768 [ 47.821042][ T4631] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4631) [ 47.825236][ T4631] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 47.827959][ T4631] BTRFS info (device loop0): setting nodatacow, compression disabled [ 47.829366][ T4631] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 47.831053][ T4631] BTRFS info (device loop0): trying to use backup root at mount time [ 47.832343][ T4631] BTRFS info (device loop0): metadata ratio 1564 [ 47.833422][ T4631] BTRFS info (device loop0): doing ref verification [ 47.834508][ T4631] BTRFS info (device loop0): force zlib compression, level 3 [ 47.836648][ T4631] BTRFS info (device loop0): turning on flush-on-commit [ 47.837845][ T4631] BTRFS info (device loop0): using free space tree [ 47.838940][ T4631] BTRFS info (device loop0): has skinny extents [ 47.850912][ T4631] BTRFS info (device loop0): enabling ssd optimizations [ 47.858347][ T4631] FAULT_INJECTION: forcing a failure. [ 47.858347][ T4631] name failslab, interval 1, probability 0, space 0, times 0 [ 47.860546][ T4631] CPU: 1 PID: 4631 Comm: syz-executor.0 Not tainted syzkaller #0 [ 47.861691][ T4631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 47.863203][ T4631] Call trace: [ 47.863682][ T4631] dump_backtrace+0x0/0x458 [ 47.864398][ T4631] show_stack+0x2c/0x3c [ 47.865048][ T4631] __dump_stack+0x30/0x40 [ 47.865709][ T4631] dump_stack_lvl+0xf4/0x15c [ 47.866385][ T4631] dump_stack+0x1c/0x5c [ 47.866985][ T4631] should_fail+0x3bc/0x514 [ 47.867641][ T4631] __should_failslab+0xbc/0x10c [ 47.868411][ T4631] should_failslab+0x10/0x28 [ 47.869169][ T4631] slab_pre_alloc_hook+0x64/0xe8 [ 47.869964][ T4631] kmem_cache_alloc+0x94/0x3d4 [ 47.870732][ T4631] btrfs_insert_item+0xd0/0x2b8 [ 47.871488][ T4631] btrfs_insert_root+0xa4/0x14c [ 47.872268][ T4631] btrfs_sync_log+0xb34/0x1f5c [ 47.873007][ T4631] btrfs_sync_file+0x9c0/0xebc [ 47.873781][ T4631] vfs_fsync_range+0x168/0x188 [ 47.874513][ T4631] btrfs_file_write_iter+0xa70/0xbb8 [ 47.875330][ T4631] vfs_write+0x590/0xa60 [ 47.875984][ T4631] ksys_write+0x12c/0x224 [ 47.876655][ T4631] __arm64_sys_write+0x7c/0x90 [ 47.877353][ T4631] invoke_syscall+0x98/0x2b0 [ 47.878048][ T4631] el0_svc_common+0x138/0x258 [ 47.878754][ T4631] do_el0_svc+0x58/0x13c [ 47.879423][ T4631] el0_svc+0x78/0x1d0 [ 47.880068][ T4631] el0t_64_sync_handler+0xcc/0xe4 [ 47.880859][ T4631] el0t_64_sync+0x1a0/0x1a4 [ 47.883396][ T4631] ------------[ cut here ]------------ [ 47.884332][ T4631] WARNING: CPU: 1 PID: 4631 at fs/btrfs/tree-log.c:3224 btrfs_sync_log+0x1438/0x1f5c [ 47.885734][ T4631] Modules linked in: [ 47.886359][ T4631] CPU: 1 PID: 4631 Comm: syz-executor.0 Not tainted syzkaller #0 [ 47.887576][ T4631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 47.889300][ T4631] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.890580][ T4631] pc : btrfs_sync_log+0x1438/0x1f5c [ 47.891449][ T4631] lr : btrfs_sync_log+0x1438/0x1f5c [ 47.892296][ T4631] sp : ffff80001b9f73e0 [ 47.892935][ T4631] x29: ffff80001b9f77e0 x28: 1fffe0001bd3bd08 x27: ffff0000de9de898 [ 47.894315][ T4631] x26: dfff800000000000 x25: ffff0000de9de840 x24: 00000000fffffff4 [ 47.895645][ T4631] x23: ffff0000d00ec000 x22: ffff0000caa684e0 x21: 0000000000000000 [ 47.896964][ T4631] x20: ffff0000d0e54000 x19: 0000000000000009 x18: 0000000000000001 [ 47.898256][ T4631] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 47.899540][ T4631] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 47.900784][ T4631] x11: 0000000000000000 x10: 0000000000000000 x9 : 755d9d05fb9c4a00 [ 47.902056][ T4631] x8 : 755d9d05fb9c4a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 47.903330][ T4631] x5 : ffff80001b9f6cf8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 47.904571][ T4631] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 47.905807][ T4631] Call trace: [ 47.906384][ T4631] btrfs_sync_log+0x1438/0x1f5c [ 47.907158][ T4631] btrfs_sync_file+0x9c0/0xebc [ 47.907858][ T4631] vfs_fsync_range+0x168/0x188 [ 47.908604][ T4631] btrfs_file_write_iter+0xa70/0xbb8 [ 47.909449][ T4631] vfs_write+0x590/0xa60 [ 47.910118][ T4631] ksys_write+0x12c/0x224 [ 47.910855][ T4631] __arm64_sys_write+0x7c/0x90 [ 47.911598][ T4631] invoke_syscall+0x98/0x2b0 [ 47.912290][ T4631] el0_svc_common+0x138/0x258 [ 47.913017][ T4631] do_el0_svc+0x58/0x13c [ 47.913697][ T4631] el0_svc+0x78/0x1d0 [ 47.914339][ T4631] el0t_64_sync_handler+0xcc/0xe4 [ 47.915189][ T4631] el0t_64_sync+0x1a0/0x1a4 [ 47.915922][ T4631] irq event stamp: 79944 [ 47.916597][ T4631] hardirqs last enabled at (79943): [] __up_console_sem+0xb4/0xfc [ 47.918302][ T4631] hardirqs last disabled at (79944): [] el1_dbg+0x24/0x80 [ 47.919554][ T4631] softirqs last enabled at (79918): [] handle_softirqs+0xa40/0xbe4 [ 47.921204][ T4631] softirqs last disabled at (79849): [] __irq_exit_rcu+0x240/0x43c [ 47.922709][ T4631] ---[ end trace 6783fd89a5e006f7 ]--- [ 47.924627][ T4631] BTRFS: error (device loop0) in btrfs_sync_log:3224: errno=-12 Out of memory [ 47.926619][ T4631] BTRFS info (device loop0): forced readonly [ 48.128112][ T4665] loop0: detected capacity change from 0 to 32768 [ 48.130789][ T4665] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4665) [ 48.134013][ T4665] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 48.135800][ T4665] BTRFS info (device loop0): setting nodatacow, compression disabled [ 48.137046][ T4665] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 48.138919][ T4665] BTRFS info (device loop0): trying to use backup root at mount time [ 48.140259][ T4665] BTRFS info (device loop0): metadata ratio 1564 [ 48.141417][ T4665] BTRFS info (device loop0): doing ref verification [ 48.142641][ T4665] BTRFS info (device loop0): force zlib compression, level 3 [ 48.143796][ T4665] BTRFS info (device loop0): turning on flush-on-commit [ 48.145000][ T4665] BTRFS info (device loop0): using free space tree [ 48.146664][ T4665] BTRFS info (device loop0): has skinny extents [ 48.157511][ T4665] BTRFS info (device loop0): enabling ssd optimizations [ 48.162265][ T4665] FAULT_INJECTION: forcing a failure. [ 48.162265][ T4665] name failslab, interval 1, probability 0, space 0, times 0 [ 48.164409][ T4665] CPU: 0 PID: 4665 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.165890][ T4665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.167505][ T4665] Call trace: [ 48.168023][ T4665] dump_backtrace+0x0/0x458 [ 48.168744][ T4665] show_stack+0x2c/0x3c [ 48.169424][ T4665] __dump_stack+0x30/0x40 [ 48.170159][ T4665] dump_stack_lvl+0xf4/0x15c [ 48.170933][ T4665] dump_stack+0x1c/0x5c [ 48.171687][ T4665] should_fail+0x3bc/0x514 [ 48.172442][ T4665] __should_failslab+0xbc/0x10c [ 48.173195][ T4665] should_failslab+0x10/0x28 [ 48.173925][ T4665] slab_pre_alloc_hook+0x64/0xe8 [ 48.174684][ T4665] kmem_cache_alloc+0x94/0x3d4 [ 48.175498][ T4665] alloc_extent_state+0x38/0x42c [ 48.176304][ T4665] convert_extent_bit+0x17c/0x16ec [ 48.177126][ T4665] btrfs_write_marked_extents+0x178/0x364 [ 48.178054][ T4665] btrfs_sync_log+0x12f8/0x1f5c [ 48.178810][ T4665] btrfs_sync_file+0x9c0/0xebc [ 48.179574][ T4665] vfs_fsync_range+0x168/0x188 [ 48.180313][ T4665] btrfs_file_write_iter+0xa70/0xbb8 [ 48.181189][ T4665] vfs_write+0x590/0xa60 [ 48.181888][ T4665] ksys_write+0x12c/0x224 [ 48.182595][ T4665] __arm64_sys_write+0x7c/0x90 [ 48.183350][ T4665] invoke_syscall+0x98/0x2b0 [ 48.184079][ T4665] el0_svc_common+0x138/0x258 [ 48.184791][ T4665] do_el0_svc+0x58/0x13c [ 48.185551][ T4665] el0_svc+0x78/0x1d0 [ 48.186217][ T4665] el0t_64_sync_handler+0xcc/0xe4 [ 48.187057][ T4665] el0t_64_sync+0x1a0/0x1a4 [ 48.365097][ T4686] loop0: detected capacity change from 0 to 32768 [ 48.367943][ T4686] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4686) [ 48.371129][ T4686] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 48.372637][ T4686] BTRFS info (device loop0): setting nodatacow, compression disabled [ 48.373915][ T4686] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 48.375651][ T4686] BTRFS info (device loop0): trying to use backup root at mount time [ 48.377147][ T4686] BTRFS info (device loop0): metadata ratio 1564 [ 48.378252][ T4686] BTRFS info (device loop0): doing ref verification [ 48.379264][ T4686] BTRFS info (device loop0): force zlib compression, level 3 [ 48.380585][ T4686] BTRFS info (device loop0): turning on flush-on-commit [ 48.381723][ T4686] BTRFS info (device loop0): using free space tree [ 48.382718][ T4686] BTRFS info (device loop0): has skinny extents [ 48.392702][ T4686] BTRFS info (device loop0): enabling ssd optimizations [ 48.397937][ T4686] FAULT_INJECTION: forcing a failure. [ 48.397937][ T4686] name failslab, interval 1, probability 0, space 0, times 0 [ 48.400138][ T4686] CPU: 1 PID: 4686 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.401601][ T4686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.403233][ T4686] Call trace: [ 48.403799][ T4686] dump_backtrace+0x0/0x458 [ 48.404582][ T4686] show_stack+0x2c/0x3c [ 48.405317][ T4686] __dump_stack+0x30/0x40 [ 48.406008][ T4686] dump_stack_lvl+0xf4/0x15c [ 48.406781][ T4686] dump_stack+0x1c/0x5c [ 48.407494][ T4686] should_fail+0x3bc/0x514 [ 48.408187][ T4686] __should_failslab+0xbc/0x10c [ 48.408976][ T4686] should_failslab+0x10/0x28 [ 48.409667][ T4686] slab_pre_alloc_hook+0x64/0xe8 [ 48.410381][ T4686] kmem_cache_alloc+0x94/0x3d4 [ 48.411104][ T4686] mempool_alloc_slab+0x58/0x74 [ 48.411914][ T4686] mempool_alloc+0x144/0x3f0 [ 48.412661][ T4686] bio_alloc_bioset+0x118/0x718 [ 48.413420][ T4686] submit_extent_page+0x424/0x11d4 [ 48.414220][ T4686] write_one_eb+0x1bc/0x55c [ 48.414977][ T4686] btree_write_cache_pages+0xef4/0x149c [ 48.415858][ T4686] btree_writepages+0x6c/0x190 [ 48.416671][ T4686] do_writepages+0x364/0x584 [ 48.417355][ T4686] filemap_fdatawrite_wbc+0x1d4/0x234 [ 48.418336][ T4686] filemap_fdatawrite_range+0xc0/0x114 [ 48.419240][ T4686] btrfs_write_marked_extents+0x1bc/0x364 [ 48.420161][ T4686] btrfs_sync_log+0x764/0x1f5c [ 48.420930][ T4686] btrfs_sync_file+0x9c0/0xebc [ 48.421701][ T4686] vfs_fsync_range+0x168/0x188 [ 48.422518][ T4686] btrfs_file_write_iter+0xa70/0xbb8 [ 48.423368][ T4686] vfs_write+0x590/0xa60 [ 48.424085][ T4686] ksys_write+0x12c/0x224 [ 48.424786][ T4686] __arm64_sys_write+0x7c/0x90 [ 48.425521][ T4686] invoke_syscall+0x98/0x2b0 [ 48.426240][ T4686] el0_svc_common+0x138/0x258 [ 48.427011][ T4686] do_el0_svc+0x58/0x13c [ 48.427749][ T4686] el0_svc+0x78/0x1d0 [ 48.428456][ T4686] el0t_64_sync_handler+0xcc/0xe4 [ 48.429338][ T4686] el0t_64_sync+0x1a0/0x1a4 [ 48.624661][ T4707] loop0: detected capacity change from 0 to 32768 [ 48.627052][ T4707] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4707) [ 48.630446][ T4707] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 48.632014][ T4707] BTRFS info (device loop0): setting nodatacow, compression disabled [ 48.633359][ T4707] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 48.635230][ T4707] BTRFS info (device loop0): trying to use backup root at mount time [ 48.637033][ T4707] BTRFS info (device loop0): metadata ratio 1564 [ 48.638168][ T4707] BTRFS info (device loop0): doing ref verification [ 48.639306][ T4707] BTRFS info (device loop0): force zlib compression, level 3 [ 48.640749][ T4707] BTRFS info (device loop0): turning on flush-on-commit [ 48.641891][ T4707] BTRFS info (device loop0): using free space tree [ 48.642877][ T4707] BTRFS info (device loop0): has skinny extents [ 48.653305][ T4707] BTRFS info (device loop0): enabling ssd optimizations [ 48.658295][ T4707] FAULT_INJECTION: forcing a failure. [ 48.658295][ T4707] name failslab, interval 1, probability 0, space 0, times 0 [ 48.660519][ T4707] CPU: 1 PID: 4707 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.661880][ T4707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.663497][ T4707] Call trace: [ 48.664011][ T4707] dump_backtrace+0x0/0x458 [ 48.664699][ T4707] show_stack+0x2c/0x3c [ 48.665366][ T4707] __dump_stack+0x30/0x40 [ 48.666061][ T4707] dump_stack_lvl+0xf4/0x15c [ 48.666758][ T4707] dump_stack+0x1c/0x5c [ 48.667446][ T4707] should_fail+0x3bc/0x514 [ 48.668121][ T4707] __should_failslab+0xbc/0x10c [ 48.668815][ T4707] should_failslab+0x10/0x28 [ 48.669616][ T4707] slab_pre_alloc_hook+0x64/0xe8 [ 48.670482][ T4707] kmem_cache_alloc+0x94/0x3d4 [ 48.671338][ T4707] btrfs_insert_item+0xd0/0x2b8 [ 48.672228][ T4707] btrfs_insert_root+0xa4/0x14c [ 48.673039][ T4707] btrfs_sync_log+0xb34/0x1f5c [ 48.673893][ T4707] btrfs_sync_file+0x9c0/0xebc [ 48.674717][ T4707] vfs_fsync_range+0x168/0x188 [ 48.675549][ T4707] btrfs_file_write_iter+0xa70/0xbb8 [ 48.676441][ T4707] vfs_write+0x590/0xa60 [ 48.677153][ T4707] ksys_write+0x12c/0x224 [ 48.677859][ T4707] __arm64_sys_write+0x7c/0x90 [ 48.678657][ T4707] invoke_syscall+0x98/0x2b0 [ 48.679356][ T4707] el0_svc_common+0x138/0x258 [ 48.680124][ T4707] do_el0_svc+0x58/0x13c [ 48.680829][ T4707] el0_svc+0x78/0x1d0 [ 48.681493][ T4707] el0t_64_sync_handler+0xcc/0xe4 [ 48.682274][ T4707] el0t_64_sync+0x1a0/0x1a4 [ 48.684921][ T4707] ------------[ cut here ]------------ [ 48.686136][ T4707] WARNING: CPU: 1 PID: 4707 at fs/btrfs/tree-log.c:3224 btrfs_sync_log+0x1438/0x1f5c [ 48.687572][ T4707] Modules linked in: [ 48.688184][ T4707] CPU: 1 PID: 4707 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.689638][ T4707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.691340][ T4707] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.692571][ T4707] pc : btrfs_sync_log+0x1438/0x1f5c [ 48.693471][ T4707] lr : btrfs_sync_log+0x1438/0x1f5c [ 48.694253][ T4707] sp : ffff80001fe773e0 [ 48.694960][ T4707] x29: ffff80001fe777e0 x28: 1fffe0001bd3bd8c x27: ffff0000de9decb8 [ 48.696291][ T4707] x26: dfff800000000000 x25: ffff0000de9dec60 x24: 00000000fffffff4 [ 48.697575][ T4707] x23: ffff0000d1b58000 x22: ffff0000d8bb84e0 x21: 0000000000000000 [ 48.698820][ T4707] x20: ffff0000d03f8000 x19: 0000000000000009 x18: 0000000000000001 [ 48.700086][ T4707] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 48.701341][ T4707] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 48.702566][ T4707] x11: 0000000000000000 x10: 0000000000000000 x9 : 71fa19fe99e2db00 [ 48.703846][ T4707] x8 : 71fa19fe99e2db00 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.705121][ T4707] x5 : ffff80001fe76cf8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 48.706371][ T4707] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.707698][ T4707] Call trace: [ 48.708219][ T4707] btrfs_sync_log+0x1438/0x1f5c [ 48.709053][ T4707] btrfs_sync_file+0x9c0/0xebc [ 48.709798][ T4707] vfs_fsync_range+0x168/0x188 [ 48.710560][ T4707] btrfs_file_write_iter+0xa70/0xbb8 [ 48.711400][ T4707] vfs_write+0x590/0xa60 [ 48.712092][ T4707] ksys_write+0x12c/0x224 [ 48.712793][ T4707] __arm64_sys_write+0x7c/0x90 [ 48.713589][ T4707] invoke_syscall+0x98/0x2b0 [ 48.714333][ T4707] el0_svc_common+0x138/0x258 [ 48.715075][ T4707] do_el0_svc+0x58/0x13c [ 48.715738][ T4707] el0_svc+0x78/0x1d0 [ 48.716353][ T4707] el0t_64_sync_handler+0xcc/0xe4 [ 48.717156][ T4707] el0t_64_sync+0x1a0/0x1a4 [ 48.717858][ T4707] irq event stamp: 79290 [ 48.718608][ T4707] hardirqs last enabled at (79289): [] __up_console_sem+0xb4/0xfc [ 48.720283][ T4707] hardirqs last disabled at (79290): [] el1_dbg+0x24/0x80 [ 48.721798][ T4707] softirqs last enabled at (79278): [] handle_softirqs+0xa40/0xbe4 [ 48.723355][ T4707] softirqs last disabled at (79249): [] __irq_exit_rcu+0x240/0x43c [ 48.724867][ T4707] ---[ end trace 6783fd89a5e006f8 ]--- [ 48.726514][ T4707] BTRFS: error (device loop0) in btrfs_sync_log:3224: errno=-12 Out of memory [ 48.728098][ T4707] BTRFS info (device loop0): forced readonly [ 48.897136][ T4728] loop0: detected capacity change from 0 to 32768 [ 48.899803][ T4728] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4728) [ 48.904304][ T4728] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 48.905949][ T4728] BTRFS info (device loop0): setting nodatacow, compression disabled [ 48.907371][ T4728] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 48.909194][ T4728] BTRFS info (device loop0): trying to use backup root at mount time [ 48.910592][ T4728] BTRFS info (device loop0): metadata ratio 1564 [ 48.911712][ T4728] BTRFS info (device loop0): doing ref verification [ 48.912696][ T4728] BTRFS info (device loop0): force zlib compression, level 3 [ 48.913966][ T4728] BTRFS info (device loop0): turning on flush-on-commit [ 48.915284][ T4728] BTRFS info (device loop0): using free space tree [ 48.916803][ T4728] BTRFS info (device loop0): has skinny extents [ 48.928255][ T4728] BTRFS info (device loop0): enabling ssd optimizations [ 48.933143][ T4728] FAULT_INJECTION: forcing a failure. [ 48.933143][ T4728] name failslab, interval 1, probability 0, space 0, times 0 [ 48.935263][ T4728] CPU: 0 PID: 4728 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.936748][ T4728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.938457][ T4728] Call trace: [ 48.938976][ T4728] dump_backtrace+0x0/0x458 [ 48.939713][ T4728] show_stack+0x2c/0x3c [ 48.940369][ T4728] __dump_stack+0x30/0x40 [ 48.941022][ T4728] dump_stack_lvl+0xf4/0x15c [ 48.941762][ T4728] dump_stack+0x1c/0x5c [ 48.942422][ T4728] should_fail+0x3bc/0x514 [ 48.943111][ T4728] __should_failslab+0xbc/0x10c [ 48.943852][ T4728] should_failslab+0x10/0x28 [ 48.944551][ T4728] slab_pre_alloc_hook+0x64/0xe8 [ 48.945372][ T4728] kmem_cache_alloc+0x94/0x3d4 [ 48.946133][ T4728] btrfs_insert_item+0xd0/0x2b8 [ 48.946958][ T4728] btrfs_insert_root+0xa4/0x14c [ 48.947789][ T4728] btrfs_sync_log+0xb34/0x1f5c [ 48.948559][ T4728] btrfs_sync_file+0x9c0/0xebc [ 48.949336][ T4728] vfs_fsync_range+0x168/0x188 [ 48.950080][ T4728] btrfs_file_write_iter+0xa70/0xbb8 [ 48.950896][ T4728] vfs_write+0x590/0xa60 [ 48.951523][ T4728] ksys_write+0x12c/0x224 [ 48.952183][ T4728] __arm64_sys_write+0x7c/0x90 [ 48.952967][ T4728] invoke_syscall+0x98/0x2b0 [ 48.953633][ T4728] el0_svc_common+0x138/0x258 [ 48.954408][ T4728] do_el0_svc+0x58/0x13c [ 48.955087][ T4728] el0_svc+0x78/0x1d0 [ 48.955748][ T4728] el0t_64_sync_handler+0xcc/0xe4 [ 48.956559][ T4728] el0t_64_sync+0x1a0/0x1a4 [ 48.958082][ T4728] ------------[ cut here ]------------ [ 48.959039][ T4728] WARNING: CPU: 0 PID: 4728 at fs/btrfs/tree-log.c:3224 btrfs_sync_log+0x1438/0x1f5c [ 48.960537][ T4728] Modules linked in: [ 48.961139][ T4728] CPU: 0 PID: 4728 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.962479][ T4728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 48.964090][ T4728] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.965484][ T4728] pc : btrfs_sync_log+0x1438/0x1f5c [ 48.966336][ T4728] lr : btrfs_sync_log+0x1438/0x1f5c [ 48.967193][ T4728] sp : ffff8000202973e0 [ 48.967869][ T4728] x29: ffff8000202977e0 x28: 1fffe0001bd0a18c x27: ffff0000de850cb8 [ 48.969130][ T4728] x26: dfff800000000000 x25: ffff0000de850c60 x24: 00000000fffffff4 [ 48.970453][ T4728] x23: ffff0000d6686000 x22: ffff0000d06b84e0 x21: 0000000000000000 [ 48.971711][ T4728] x20: ffff0000d6446000 x19: 0000000000000009 x18: 0000000000000001 [ 48.973012][ T4728] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 48.974292][ T4728] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 48.975594][ T4728] x11: 0000000000000000 x10: 0000000000000000 x9 : d73fbbc0458f9100 [ 48.976887][ T4728] x8 : d73fbbc0458f9100 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.978161][ T4728] x5 : ffff800020296cf8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 48.979406][ T4728] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.980806][ T4728] Call trace: [ 48.981328][ T4728] btrfs_sync_log+0x1438/0x1f5c [ 48.982082][ T4728] btrfs_sync_file+0x9c0/0xebc [ 48.982829][ T4728] vfs_fsync_range+0x168/0x188 [ 48.983642][ T4728] btrfs_file_write_iter+0xa70/0xbb8 [ 48.984540][ T4728] vfs_write+0x590/0xa60 [ 48.985258][ T4728] ksys_write+0x12c/0x224 [ 48.985932][ T4728] __arm64_sys_write+0x7c/0x90 [ 48.986711][ T4728] invoke_syscall+0x98/0x2b0 [ 48.987474][ T4728] el0_svc_common+0x138/0x258 [ 48.988210][ T4728] do_el0_svc+0x58/0x13c [ 48.988915][ T4728] el0_svc+0x78/0x1d0 [ 48.989571][ T4728] el0t_64_sync_handler+0xcc/0xe4 [ 48.990344][ T4728] el0t_64_sync+0x1a0/0x1a4 [ 48.991021][ T4728] irq event stamp: 79020 [ 48.991644][ T4728] hardirqs last enabled at (79019): [] __up_console_sem+0xb4/0xfc [ 48.993131][ T4728] hardirqs last disabled at (79020): [] el1_dbg+0x24/0x80 [ 48.994422][ T4728] softirqs last enabled at (78994): [] handle_softirqs+0xa40/0xbe4 [ 48.995928][ T4728] softirqs last disabled at (78925): [] __irq_exit_rcu+0x240/0x43c [ 48.997516][ T4728] ---[ end trace 6783fd89a5e006f9 ]--- [ 48.998536][ T4728] BTRFS: error (device loop0) in btrfs_sync_log:3224: errno=-12 Out of memory [ 49.000050][ T4728] BTRFS info (device loop0): forced readonly [ 49.175394][ T4749] loop0: detected capacity change from 0 to 32768 [ 49.177791][ T4749] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4749) [ 49.180996][ T4749] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 49.183197][ T4749] BTRFS info (device loop0): setting nodatacow, compression disabled [ 49.184682][ T4749] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 49.186614][ T4749] BTRFS info (device loop0): trying to use backup root at mount time [ 49.188044][ T4749] BTRFS info (device loop0): metadata ratio 1564 [ 49.189027][ T4749] BTRFS info (device loop0): doing ref verification [ 49.190228][ T4749] BTRFS info (device loop0): force zlib compression, level 3 [ 49.191460][ T4749] BTRFS info (device loop0): turning on flush-on-commit [ 49.204071][ T4749] FAULT_INJECTION: forcing a failure. [ 49.204071][ T4749] name failslab, interval 1, probability 0, space 0, times 0 [ 49.206652][ T4749] CPU: 0 PID: 4749 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.207918][ T4749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.209410][ T4749] Call trace: [ 49.209916][ T4749] dump_backtrace+0x0/0x458 [ 49.210571][ T4749] show_stack+0x2c/0x3c [ 49.211195][ T4749] __dump_stack+0x30/0x40 [ 49.211838][ T4749] dump_stack_lvl+0xf4/0x15c [ 49.212551][ T4749] dump_stack+0x1c/0x5c [ 49.213159][ T4749] should_fail+0x3bc/0x514 [ 49.213805][ T4749] __should_failslab+0xbc/0x10c [ 49.214568][ T4749] should_failslab+0x10/0x28 [ 49.215257][ T4749] slab_pre_alloc_hook+0x64/0xe8 [ 49.216136][ T4749] kmem_cache_alloc+0x94/0x3d4 [ 49.216964][ T4749] alloc_extent_state+0x38/0x42c [ 49.217807][ T4749] convert_extent_bit+0x17c/0x16ec [ 49.218656][ T4749] btrfs_write_marked_extents+0x178/0x364 [ 49.219475][ T4749] btrfs_sync_log+0x12f8/0x1f5c [ 49.220227][ T4749] btrfs_sync_file+0x9c0/0xebc [ 49.220980][ T4749] vfs_fsync_range+0x168/0x188 [ 49.221669][ T4749] btrfs_file_write_iter+0xa70/0xbb8 [ 49.222512][ T4749] vfs_write+0x590/0xa60 [ 49.223249][ T4749] ksys_write+0x12c/0x224 [ 49.223943][ T4749] __arm64_sys_write+0x7c/0x90 [ 49.224701][ T4749] invoke_syscall+0x98/0x2b0 [ 49.225410][ T4749] el0_svc_common+0x138/0x258 [ 49.226137][ T4749] do_el0_svc+0x58/0x13c [ 49.226790][ T4749] el0_svc+0x78/0x1d0 [ 49.227405][ T4749] el0t_64_sync_handler+0xcc/0xe4 [ 49.228218][ T4749] el0t_64_sync+0x1a0/0x1a4 [ 49.423763][ T4770] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4770) [ 49.427053][ T4770] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 49.440689][ T4770] FAULT_INJECTION: forcing a failure. [ 49.440689][ T4770] name failslab, interval 1, probability 0, space 0, times 0 [ 49.442924][ T4770] CPU: 0 PID: 4770 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.444387][ T4770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.446043][ T4770] Call trace: [ 49.446563][ T4770] dump_backtrace+0x0/0x458 [ 49.447305][ T4770] show_stack+0x2c/0x3c [ 49.447978][ T4770] __dump_stack+0x30/0x40 [ 49.448770][ T4770] dump_stack_lvl+0xf4/0x15c [ 49.449500][ T4770] dump_stack+0x1c/0x5c [ 49.450198][ T4770] should_fail+0x3bc/0x514 [ 49.450925][ T4770] __should_failslab+0xbc/0x10c [ 49.451725][ T4770] should_failslab+0x10/0x28 [ 49.452548][ T4770] slab_pre_alloc_hook+0x64/0xe8 [ 49.453300][ T4770] kmem_cache_alloc+0x94/0x3d4 [ 49.454083][ T4770] alloc_extent_state+0x38/0x42c [ 49.454868][ T4770] convert_extent_bit+0x17c/0x16ec [ 49.455630][ T4770] btrfs_write_marked_extents+0x178/0x364 [ 49.456535][ T4770] btrfs_sync_log+0x12f8/0x1f5c [ 49.457358][ T4770] btrfs_sync_file+0x9c0/0xebc [ 49.458133][ T4770] vfs_fsync_range+0x168/0x188 [ 49.458886][ T4770] btrfs_file_write_iter+0xa70/0xbb8 [ 49.459787][ T4770] vfs_write+0x590/0xa60 [ 49.460484][ T4770] ksys_write+0x12c/0x224 [ 49.461155][ T4770] __arm64_sys_write+0x7c/0x90 [ 49.461936][ T4770] invoke_syscall+0x98/0x2b0 [ 49.462712][ T4770] el0_svc_common+0x138/0x258 [ 49.463448][ T4770] do_el0_svc+0x58/0x13c [ 49.464153][ T4770] el0_svc+0x78/0x1d0 [ 49.464793][ T4770] el0t_64_sync_handler+0xcc/0xe4 [ 49.465632][ T4770] el0t_64_sync+0x1a0/0x1a4 [ 49.475727][ T21] Bluetooth: hci0: command 0x041b tx timeout [ 49.647800][ T4791] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4791) [ 49.652780][ T4791] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 49.673033][ T4791] FAULT_INJECTION: forcing a failure. [ 49.673033][ T4791] name failslab, interval 1, probability 0, space 0, times 0 [ 49.675322][ T4791] CPU: 1 PID: 4791 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.676888][ T4791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.678551][ T4791] Call trace: [ 49.679122][ T4791] dump_backtrace+0x0/0x458 [ 49.679849][ T4791] show_stack+0x2c/0x3c [ 49.680542][ T4791] __dump_stack+0x30/0x40 [ 49.681191][ T4791] dump_stack_lvl+0xf4/0x15c [ 49.681929][ T4791] dump_stack+0x1c/0x5c [ 49.682562][ T4791] should_fail+0x3bc/0x514 [ 49.683207][ T4791] __should_failslab+0xbc/0x10c [ 49.683990][ T4791] should_failslab+0x10/0x28 [ 49.684710][ T4791] slab_pre_alloc_hook+0x64/0xe8 [ 49.685471][ T4791] kmem_cache_alloc+0x94/0x3d4 [ 49.686213][ T4791] mempool_alloc_slab+0x58/0x74 [ 49.686984][ T4791] mempool_alloc+0x144/0x3f0 [ 49.687697][ T4791] bio_alloc_bioset+0x1dc/0x718 [ 49.688473][ T4791] submit_extent_page+0x424/0x11d4 [ 49.689327][ T4791] write_one_eb+0x1bc/0x55c [ 49.690090][ T4791] btree_write_cache_pages+0xef4/0x149c [ 49.690952][ T4791] btree_writepages+0x6c/0x190 [ 49.691703][ T4791] do_writepages+0x364/0x584 [ 49.692439][ T4791] filemap_fdatawrite_wbc+0x1d4/0x234 [ 49.693351][ T4791] filemap_fdatawrite_range+0xc0/0x114 [ 49.694233][ T4791] btrfs_write_marked_extents+0x1bc/0x364 [ 49.695101][ T4791] btrfs_sync_log+0x764/0x1f5c [ 49.695821][ T4791] btrfs_sync_file+0x9c0/0xebc [ 49.696562][ T4791] vfs_fsync_range+0x168/0x188 [ 49.697316][ T4791] btrfs_file_write_iter+0xa70/0xbb8 [ 49.698223][ T4791] vfs_write+0x590/0xa60 [ 49.698957][ T4791] ksys_write+0x12c/0x224 [ 49.699740][ T4791] __arm64_sys_write+0x7c/0x90 [ 49.700577][ T4791] invoke_syscall+0x98/0x2b0 [ 49.701384][ T4791] el0_svc_common+0x138/0x258 [ 49.702174][ T4791] do_el0_svc+0x58/0x13c [ 49.702902][ T4791] el0_svc+0x78/0x1d0 [ 49.703535][ T4791] el0t_64_sync_handler+0xcc/0xe4 [ 49.704327][ T4791] el0t_64_sync+0x1a0/0x1a4 [ 49.873919][ T4812] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4812) [ 49.877310][ T4812] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 49.891633][ T4812] FAULT_INJECTION: forcing a failure. [ 49.891633][ T4812] name failslab, interval 1, probability 0, space 0, times 0 [ 49.893879][ T4812] CPU: 1 PID: 4812 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.895327][ T4812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.896916][ T4812] Call trace: [ 49.897421][ T4812] dump_backtrace+0x0/0x458 [ 49.898129][ T4812] show_stack+0x2c/0x3c [ 49.898773][ T4812] __dump_stack+0x30/0x40 [ 49.899524][ T4812] dump_stack_lvl+0xf4/0x15c [ 49.900315][ T4812] dump_stack+0x1c/0x5c [ 49.900999][ T4812] should_fail+0x3bc/0x514 [ 49.901717][ T4812] __should_failslab+0xbc/0x10c [ 49.902440][ T4812] should_failslab+0x10/0x28 [ 49.903151][ T4812] slab_pre_alloc_hook+0x64/0xe8 [ 49.903949][ T4812] kmem_cache_alloc+0x94/0x3d4 [ 49.904773][ T4812] alloc_extent_state+0x38/0x42c [ 49.905543][ T4812] convert_extent_bit+0x17c/0x16ec [ 49.906323][ T4812] btrfs_write_marked_extents+0x178/0x364 [ 49.907203][ T4812] btrfs_sync_log+0x12f8/0x1f5c [ 49.907944][ T4812] btrfs_sync_file+0x9c0/0xebc [ 49.908654][ T4812] vfs_fsync_range+0x168/0x188 [ 49.909385][ T4812] btrfs_file_write_iter+0xa70/0xbb8 [ 49.910204][ T4812] vfs_write+0x590/0xa60 [ 49.910835][ T4812] ksys_write+0x12c/0x224 [ 49.911489][ T4812] __arm64_sys_write+0x7c/0x90 [ 49.912186][ T4812] invoke_syscall+0x98/0x2b0 [ 49.912865][ T4812] el0_svc_common+0x138/0x258 [ 49.913589][ T4812] do_el0_svc+0x58/0x13c [ 49.914262][ T4812] el0_svc+0x78/0x1d0 [ 49.914898][ T4812] el0t_64_sync_handler+0xcc/0xe4 [ 49.915633][ T4812] el0t_64_sync+0x1a0/0x1a4 [ 50.116498][ T4833] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4833) [ 50.119857][ T4833] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 50.133550][ T4833] FAULT_INJECTION: forcing a failure. [ 50.133550][ T4833] name failslab, interval 1, probability 0, space 0, times 0 [ 50.136024][ T4833] CPU: 1 PID: 4833 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.137452][ T4833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.139048][ T4833] Call trace: [ 50.139587][ T4833] dump_backtrace+0x0/0x458 [ 50.140415][ T4833] show_stack+0x2c/0x3c [ 50.141046][ T4833] __dump_stack+0x30/0x40 [ 50.141756][ T4833] dump_stack_lvl+0xf4/0x15c [ 50.142571][ T4833] dump_stack+0x1c/0x5c [ 50.143242][ T4833] should_fail+0x3bc/0x514 [ 50.143927][ T4833] __should_failslab+0xbc/0x10c [ 50.144751][ T4833] should_failslab+0x10/0x28 [ 50.145478][ T4833] slab_pre_alloc_hook+0x64/0xe8 [ 50.146268][ T4833] kmem_cache_alloc+0x94/0x3d4 [ 50.147014][ T4833] btrfs_insert_item+0xd0/0x2b8 [ 50.147809][ T4833] btrfs_insert_root+0xa4/0x14c [ 50.148650][ T4833] btrfs_sync_log+0xb34/0x1f5c [ 50.149373][ T4833] btrfs_sync_file+0x9c0/0xebc [ 50.150115][ T4833] vfs_fsync_range+0x168/0x188 [ 50.150895][ T4833] btrfs_file_write_iter+0xa70/0xbb8 [ 50.151890][ T4833] vfs_write+0x590/0xa60 [ 50.152667][ T4833] ksys_write+0x12c/0x224 [ 50.153383][ T4833] __arm64_sys_write+0x7c/0x90 [ 50.154209][ T4833] invoke_syscall+0x98/0x2b0 [ 50.154926][ T4833] el0_svc_common+0x138/0x258 [ 50.155635][ T4833] do_el0_svc+0x58/0x13c [ 50.156262][ T4833] el0_svc+0x78/0x1d0 [ 50.156866][ T4833] el0t_64_sync_handler+0xcc/0xe4 [ 50.157701][ T4833] el0t_64_sync+0x1a0/0x1a4 [ 50.160036][ T4833] ------------[ cut here ]------------ [ 50.160937][ T4833] WARNING: CPU: 1 PID: 4833 at fs/btrfs/tree-log.c:3224 btrfs_sync_log+0x1438/0x1f5c [ 50.162328][ T4833] Modules linked in: [ 50.162994][ T4833] CPU: 1 PID: 4833 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.164601][ T4833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.166353][ T4833] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.167641][ T4833] pc : btrfs_sync_log+0x1438/0x1f5c [ 50.168474][ T4833] lr : btrfs_sync_log+0x1438/0x1f5c [ 50.169269][ T4833] sp : ffff8000207c73e0 [ 50.169889][ T4833] x29: ffff8000207c77e0 x28: 1fffe0001bd12ac6 x27: ffff0000de895688 [ 50.171238][ T4833] x26: dfff800000000000 x25: ffff0000de895630 x24: 00000000fffffff4 [ 50.172575][ T4833] x23: ffff0000dabb4000 x22: ffff0000db5e44e0 x21: 0000000000000000 [ 50.173880][ T4833] x20: ffff0000dab70000 x19: 0000000000000009 x18: 0000000000000001 [ 50.175227][ T4833] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 50.176567][ T4833] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 50.178070][ T4833] x11: 0000000000000000 x10: 0000000000000000 x9 : 33446c680cda4800 [ 50.179426][ T4833] x8 : 33446c680cda4800 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.180807][ T4833] x5 : ffff8000207c6cf8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 50.182223][ T4833] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.183547][ T4833] Call trace: [ 50.184065][ T4833] btrfs_sync_log+0x1438/0x1f5c [ 50.184822][ T4833] btrfs_sync_file+0x9c0/0xebc [ 50.185588][ T4833] vfs_fsync_range+0x168/0x188 [ 50.186360][ T4833] btrfs_file_write_iter+0xa70/0xbb8 [ 50.187215][ T4833] vfs_write+0x590/0xa60 [ 50.187924][ T4833] ksys_write+0x12c/0x224 [ 50.188575][ T4833] __arm64_sys_write+0x7c/0x90 [ 50.189370][ T4833] invoke_syscall+0x98/0x2b0 [ 50.190114][ T4833] el0_svc_common+0x138/0x258 [ 50.190846][ T4833] do_el0_svc+0x58/0x13c [ 50.191536][ T4833] el0_svc+0x78/0x1d0 [ 50.192149][ T4833] el0t_64_sync_handler+0xcc/0xe4 [ 50.192901][ T4833] el0t_64_sync+0x1a0/0x1a4 [ 50.193693][ T4833] irq event stamp: 79294 [ 50.194379][ T4833] hardirqs last enabled at (79293): [] __up_console_sem+0xb4/0xfc [ 50.195928][ T4833] hardirqs last disabled at (79294): [] el1_dbg+0x24/0x80 [ 50.197364][ T4833] softirqs last enabled at (79268): [] handle_softirqs+0xa40/0xbe4 [ 50.198904][ T4833] softirqs last disabled at (79247): [] __irq_exit_rcu+0x240/0x43c [ 50.200486][ T4833] ---[ end trace 6783fd89a5e006fa ]--- [ 50.202406][ T4833] BTRFS: error (device loop0) in btrfs_sync_log:3224: errno=-12 Out of memory [ 50.402883][ T4854] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4854) [ 50.410685][ T4854] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 50.428495][ T4854] FAULT_INJECTION: forcing a failure. [ 50.428495][ T4854] name failslab, interval 1, probability 0, space 0, times 0 [ 50.430623][ T4854] CPU: 0 PID: 4854 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.432075][ T4854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.433699][ T4854] Call trace: [ 50.434174][ T4854] dump_backtrace+0x0/0x458 [ 50.434952][ T4854] show_stack+0x2c/0x3c [ 50.435608][ T4854] __dump_stack+0x30/0x40 [ 50.436296][ T4854] dump_stack_lvl+0xf4/0x15c [ 50.437045][ T4854] dump_stack+0x1c/0x5c [ 50.437691][ T4854] should_fail+0x3bc/0x514 [ 50.438383][ T4854] __should_failslab+0xbc/0x10c [ 50.439162][ T4854] should_failslab+0x10/0x28 [ 50.439887][ T4854] slab_pre_alloc_hook+0x64/0xe8 [ 50.440673][ T4854] kmem_cache_alloc+0x94/0x3d4 [ 50.441414][ T4854] mempool_alloc_slab+0x58/0x74 [ 50.442177][ T4854] mempool_alloc+0x144/0x3f0 [ 50.442930][ T4854] bio_alloc_bioset+0x1dc/0x718 [ 50.443716][ T4854] submit_extent_page+0x424/0x11d4 [ 50.444524][ T4854] write_one_eb+0x1bc/0x55c [ 50.445222][ T4854] btree_write_cache_pages+0xef4/0x149c [ 50.446135][ T4854] btree_writepages+0x6c/0x190 [ 50.446896][ T4854] do_writepages+0x364/0x584 [ 50.447698][ T4854] filemap_fdatawrite_wbc+0x1d4/0x234 [ 50.448614][ T4854] filemap_fdatawrite_range+0xc0/0x114 [ 50.449543][ T4854] btrfs_write_marked_extents+0x1bc/0x364 [ 50.450577][ T4854] btrfs_sync_log+0x764/0x1f5c [ 50.451416][ T4854] btrfs_sync_file+0x9c0/0xebc [ 50.452307][ T4854] vfs_fsync_range+0x168/0x188 [ 50.453076][ T4854] btrfs_file_write_iter+0xa70/0xbb8 [ 50.453939][ T4854] vfs_write+0x590/0xa60 [ 50.454641][ T4854] ksys_write+0x12c/0x224 [ 50.455309][ T4854] __arm64_sys_write+0x7c/0x90 [ 50.456069][ T4854] invoke_syscall+0x98/0x2b0 [ 50.456741][ T4854] el0_svc_common+0x138/0x258 [ 50.457561][ T4854] do_el0_svc+0x58/0x13c [ 50.458304][ T4854] el0_svc+0x78/0x1d0 [ 50.459014][ T4854] el0t_64_sync_handler+0xcc/0xe4 [ 50.459905][ T4854] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:00:50 executed programs: 15 [ 50.650508][ T4875] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4875) [ 50.654249][ T4875] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 50.668910][ T4875] FAULT_INJECTION: forcing a failure. [ 50.668910][ T4875] name failslab, interval 1, probability 0, space 0, times 0 [ 50.671062][ T4875] CPU: 0 PID: 4875 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.672527][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.674150][ T4875] Call trace: [ 50.674627][ T4875] dump_backtrace+0x0/0x458 [ 50.675295][ T4875] show_stack+0x2c/0x3c [ 50.675960][ T4875] __dump_stack+0x30/0x40 [ 50.676654][ T4875] dump_stack_lvl+0xf4/0x15c [ 50.677388][ T4875] dump_stack+0x1c/0x5c [ 50.678042][ T4875] should_fail+0x3bc/0x514 [ 50.678710][ T4875] __should_failslab+0xbc/0x10c [ 50.679506][ T4875] should_failslab+0x10/0x28 [ 50.680248][ T4875] slab_pre_alloc_hook+0x64/0xe8 [ 50.681042][ T4875] kmem_cache_alloc+0x94/0x3d4 [ 50.681781][ T4875] alloc_extent_state+0x38/0x42c [ 50.682595][ T4875] convert_extent_bit+0x17c/0x16ec [ 50.683430][ T4875] btrfs_write_marked_extents+0x178/0x364 [ 50.684407][ T4875] btrfs_sync_log+0x12f8/0x1f5c [ 50.685180][ T4875] btrfs_sync_file+0x9c0/0xebc [ 50.685951][ T4875] vfs_fsync_range+0x168/0x188 [ 50.686781][ T4875] btrfs_file_write_iter+0xa70/0xbb8 [ 50.687673][ T4875] vfs_write+0x590/0xa60 [ 50.688372][ T4875] ksys_write+0x12c/0x224 [ 50.688996][ T4875] __arm64_sys_write+0x7c/0x90 [ 50.689724][ T4875] invoke_syscall+0x98/0x2b0 [ 50.690417][ T4875] el0_svc_common+0x138/0x258 [ 50.691172][ T4875] do_el0_svc+0x58/0x13c [ 50.691910][ T4875] el0_svc+0x78/0x1d0 [ 50.692643][ T4875] el0t_64_sync_handler+0xcc/0xe4 [ 50.693524][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 50.877651][ T4896] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4896) [ 50.883449][ T4896] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 50.906716][ T4896] FAULT_INJECTION: forcing a failure. [ 50.906716][ T4896] name failslab, interval 1, probability 0, space 0, times 0 [ 50.908925][ T4896] CPU: 1 PID: 4896 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.910339][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.911882][ T4896] Call trace: [ 50.912398][ T4896] dump_backtrace+0x0/0x458 [ 50.913132][ T4896] show_stack+0x2c/0x3c [ 50.913753][ T4896] __dump_stack+0x30/0x40 [ 50.914399][ T4896] dump_stack_lvl+0xf4/0x15c [ 50.915143][ T4896] dump_stack+0x1c/0x5c [ 50.915844][ T4896] should_fail+0x3bc/0x514 [ 50.916568][ T4896] __should_failslab+0xbc/0x10c [ 50.917388][ T4896] should_failslab+0x10/0x28 [ 50.918097][ T4896] slab_pre_alloc_hook+0x64/0xe8 [ 50.918857][ T4896] kmem_cache_alloc+0x94/0x3d4 [ 50.919562][ T4896] mempool_alloc_slab+0x58/0x74 [ 50.920313][ T4896] mempool_alloc+0x144/0x3f0 [ 50.921098][ T4896] bio_alloc_bioset+0x118/0x718 [ 50.921892][ T4896] submit_extent_page+0x424/0x11d4 [ 50.922733][ T4896] write_one_eb+0x1bc/0x55c [ 50.923452][ T4896] btree_write_cache_pages+0xef4/0x149c [ 50.924383][ T4896] btree_writepages+0x6c/0x190 [ 50.925211][ T4896] do_writepages+0x364/0x584 [ 50.925940][ T4896] filemap_fdatawrite_wbc+0x1d4/0x234 [ 50.926846][ T4896] filemap_fdatawrite_range+0xc0/0x114 [ 50.927750][ T4896] btrfs_write_marked_extents+0x1bc/0x364 [ 50.928618][ T4896] btrfs_sync_log+0x12f8/0x1f5c [ 50.929426][ T4896] btrfs_sync_file+0x9c0/0xebc [ 50.930208][ T4896] vfs_fsync_range+0x168/0x188 [ 50.930981][ T4896] btrfs_file_write_iter+0xa70/0xbb8 [ 50.931849][ T4896] vfs_write+0x590/0xa60 [ 50.932552][ T4896] ksys_write+0x12c/0x224 [ 50.933233][ T4896] __arm64_sys_write+0x7c/0x90 [ 50.933932][ T4896] invoke_syscall+0x98/0x2b0 [ 50.934737][ T4896] el0_svc_common+0x138/0x258 [ 50.935579][ T4896] do_el0_svc+0x58/0x13c [ 50.936278][ T4896] el0_svc+0x78/0x1d0 [ 50.936932][ T4896] el0t_64_sync_handler+0xcc/0xe4 [ 50.937745][ T4896] el0t_64_sync+0x1a0/0x1a4 [ 51.140079][ T4917] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4917) [ 51.144591][ T4917] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 51.157114][ T4917] FAULT_INJECTION: forcing a failure. [ 51.157114][ T4917] name failslab, interval 1, probability 0, space 0, times 0 [ 51.160345][ T4917] CPU: 1 PID: 4917 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.161860][ T4917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.163426][ T4917] Call trace: [ 51.163967][ T4917] dump_backtrace+0x0/0x458 [ 51.164642][ T4917] show_stack+0x2c/0x3c [ 51.165310][ T4917] __dump_stack+0x30/0x40 [ 51.165985][ T4917] dump_stack_lvl+0xf4/0x15c [ 51.166764][ T4917] dump_stack+0x1c/0x5c [ 51.167447][ T4917] should_fail+0x3bc/0x514 [ 51.168171][ T4917] __should_failslab+0xbc/0x10c [ 51.168917][ T4917] should_failslab+0x10/0x28 [ 51.169653][ T4917] slab_pre_alloc_hook+0x64/0xe8 [ 51.170467][ T4917] kmem_cache_alloc+0x94/0x3d4 [ 51.171262][ T4917] mempool_alloc_slab+0x58/0x74 [ 51.172067][ T4917] mempool_alloc+0x144/0x3f0 [ 51.172826][ T4917] bio_alloc_bioset+0x118/0x718 [ 51.173621][ T4917] submit_extent_page+0x424/0x11d4 [ 51.174447][ T4917] write_one_eb+0x1bc/0x55c [ 51.175181][ T4917] btree_write_cache_pages+0xef4/0x149c [ 51.176039][ T4917] btree_writepages+0x6c/0x190 [ 51.176815][ T4917] do_writepages+0x364/0x584 [ 51.177586][ T4917] filemap_fdatawrite_wbc+0x1d4/0x234 [ 51.178490][ T4917] filemap_fdatawrite_range+0xc0/0x114 [ 51.179309][ T4917] btrfs_write_marked_extents+0x1bc/0x364 [ 51.180274][ T4917] btrfs_sync_log+0x12f8/0x1f5c [ 51.181086][ T4917] btrfs_sync_file+0x9c0/0xebc [ 51.181960][ T4917] vfs_fsync_range+0x168/0x188 [ 51.182747][ T4917] btrfs_file_write_iter+0xa70/0xbb8 [ 51.183543][ T4917] vfs_write+0x590/0xa60 [ 51.184235][ T4917] ksys_write+0x12c/0x224 [ 51.184934][ T4917] __arm64_sys_write+0x7c/0x90 [ 51.185745][ T4917] invoke_syscall+0x98/0x2b0 [ 51.186467][ T4917] el0_svc_common+0x138/0x258 [ 51.187215][ T4917] do_el0_svc+0x58/0x13c [ 51.187905][ T4917] el0_svc+0x78/0x1d0 [ 51.188594][ T4917] el0t_64_sync_handler+0xcc/0xe4 [ 51.189383][ T4917] el0t_64_sync+0x1a0/0x1a4 [ 51.377365][ T4938] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4938) [ 51.381354][ T4938] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 51.395551][ T4938] FAULT_INJECTION: forcing a failure. [ 51.395551][ T4938] name failslab, interval 1, probability 0, space 0, times 0 [ 51.397782][ T4938] CPU: 1 PID: 4938 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.399242][ T4938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.400866][ T4938] Call trace: [ 51.401407][ T4938] dump_backtrace+0x0/0x458 [ 51.402118][ T4938] show_stack+0x2c/0x3c [ 51.402755][ T4938] __dump_stack+0x30/0x40 [ 51.403357][ T4938] dump_stack_lvl+0xf4/0x15c [ 51.404022][ T4938] dump_stack+0x1c/0x5c [ 51.404606][ T4938] should_fail+0x3bc/0x514 [ 51.405230][ T4938] __should_failslab+0xbc/0x10c [ 51.405958][ T4938] should_failslab+0x10/0x28 [ 51.406757][ T4938] slab_pre_alloc_hook+0x64/0xe8 [ 51.407583][ T4938] kmem_cache_alloc+0x94/0x3d4 [ 51.408362][ T4938] mempool_alloc_slab+0x58/0x74 [ 51.409148][ T4938] mempool_alloc+0x144/0x3f0 [ 51.409903][ T4938] bio_alloc_bioset+0x1dc/0x718 [ 51.410664][ T4938] submit_extent_page+0x424/0x11d4 [ 51.411460][ T4938] write_one_eb+0x1bc/0x55c [ 51.412139][ T4938] btree_write_cache_pages+0xef4/0x149c [ 51.413117][ T4938] btree_writepages+0x6c/0x190 [ 51.413940][ T4938] do_writepages+0x364/0x584 [ 51.414667][ T4938] filemap_fdatawrite_wbc+0x1d4/0x234 [ 51.415538][ T4938] filemap_fdatawrite_range+0xc0/0x114 [ 51.416384][ T4938] btrfs_write_marked_extents+0x1bc/0x364 [ 51.417271][ T4938] btrfs_sync_log+0x764/0x1f5c [ 51.418100][ T4938] btrfs_sync_file+0x9c0/0xebc [ 51.418927][ T4938] vfs_fsync_range+0x168/0x188 [ 51.419660][ T4938] btrfs_file_write_iter+0xa70/0xbb8 [ 51.420518][ T4938] vfs_write+0x590/0xa60 [ 51.421216][ T4938] ksys_write+0x12c/0x224 [ 51.421930][ T4938] __arm64_sys_write+0x7c/0x90 [ 51.422692][ T4938] invoke_syscall+0x98/0x2b0 [ 51.423489][ T4938] el0_svc_common+0x138/0x258 [ 51.424281][ T4938] do_el0_svc+0x58/0x13c [ 51.425013][ T4938] el0_svc+0x78/0x1d0 [ 51.425679][ T4938] el0t_64_sync_handler+0xcc/0xe4 [ 51.426575][ T4938] el0t_64_sync+0x1a0/0x1a4 [ 51.535978][ T4609] Bluetooth: hci0: command 0x040f tx timeout [ 51.604345][ T4959] set_capacity_and_notify: 9 callbacks suppressed [ 51.604353][ T4959] loop0: detected capacity change from 0 to 32768 [ 51.607868][ T4959] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4959) [ 51.611198][ T4959] btrfs_printk: 94 callbacks suppressed [ 51.611204][ T4959] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 51.613691][ T4959] BTRFS info (device loop0): setting nodatacow, compression disabled [ 51.615006][ T4959] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 51.616827][ T4959] BTRFS info (device loop0): trying to use backup root at mount time [ 51.618337][ T4959] BTRFS info (device loop0): metadata ratio 1564 [ 51.619257][ T4959] BTRFS info (device loop0): doing ref verification [ 51.620448][ T4959] BTRFS info (device loop0): force zlib compression, level 3 [ 51.621706][ T4959] BTRFS info (device loop0): turning on flush-on-commit [ 51.622657][ T4959] BTRFS info (device loop0): using free space tree [ 51.623721][ T4959] BTRFS info (device loop0): has skinny extents [ 51.633052][ T4959] BTRFS info (device loop0): enabling ssd optimizations [ 51.638012][ T4959] FAULT_INJECTION: forcing a failure. [ 51.638012][ T4959] name failslab, interval 1, probability 0, space 0, times 0 [ 51.640287][ T4959] CPU: 0 PID: 4959 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.641663][ T4959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.643323][ T4959] Call trace: [ 51.643938][ T4959] dump_backtrace+0x0/0x458 [ 51.644709][ T4959] show_stack+0x2c/0x3c [ 51.645403][ T4959] __dump_stack+0x30/0x40 [ 51.646132][ T4959] dump_stack_lvl+0xf4/0x15c [ 51.646881][ T4959] dump_stack+0x1c/0x5c [ 51.647612][ T4959] should_fail+0x3bc/0x514 [ 51.648298][ T4959] __should_failslab+0xbc/0x10c [ 51.649023][ T4959] should_failslab+0x10/0x28 [ 51.649776][ T4959] slab_pre_alloc_hook+0x64/0xe8 [ 51.650524][ T4959] kmem_cache_alloc+0x94/0x3d4 [ 51.651274][ T4959] alloc_extent_state+0x38/0x42c [ 51.652105][ T4959] convert_extent_bit+0x17c/0x16ec [ 51.652855][ T4959] btrfs_write_marked_extents+0x178/0x364 [ 51.653756][ T4959] btrfs_sync_log+0x12f8/0x1f5c [ 51.654492][ T4959] btrfs_sync_file+0x9c0/0xebc [ 51.655267][ T4959] vfs_fsync_range+0x168/0x188 [ 51.656097][ T4959] btrfs_file_write_iter+0xa70/0xbb8 [ 51.656997][ T4959] vfs_write+0x590/0xa60 [ 51.657717][ T4959] ksys_write+0x12c/0x224 [ 51.658405][ T4959] __arm64_sys_write+0x7c/0x90 [ 51.659177][ T4959] invoke_syscall+0x98/0x2b0 [ 51.659971][ T4959] el0_svc_common+0x138/0x258 [ 51.660757][ T4959] do_el0_svc+0x58/0x13c [ 51.661454][ T4959] el0_svc+0x78/0x1d0 [ 51.662116][ T4959] el0t_64_sync_handler+0xcc/0xe4 [ 51.663011][ T4959] el0t_64_sync+0x1a0/0x1a4 [ 51.840318][ T4980] loop0: detected capacity change from 0 to 32768 [ 51.842691][ T4980] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4980) [ 51.847105][ T4980] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 51.849423][ T4980] BTRFS info (device loop0): setting nodatacow, compression disabled [ 51.850832][ T4980] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 51.852843][ T4980] BTRFS info (device loop0): trying to use backup root at mount time [ 51.854233][ T4980] BTRFS info (device loop0): metadata ratio 1564 [ 51.855197][ T4980] BTRFS info (device loop0): doing ref verification [ 51.856739][ T4980] BTRFS info (device loop0): force zlib compression, level 3 [ 51.857988][ T4980] BTRFS info (device loop0): turning on flush-on-commit [ 51.859145][ T4980] BTRFS info (device loop0): using free space tree [ 51.860140][ T4980] BTRFS info (device loop0): has skinny extents [ 51.868080][ T4980] BTRFS info (device loop0): enabling ssd optimizations [ 51.872533][ T4980] FAULT_INJECTION: forcing a failure. [ 51.872533][ T4980] name failslab, interval 1, probability 0, space 0, times 0 [ 51.874737][ T4980] CPU: 1 PID: 4980 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.876179][ T4980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.877799][ T4980] Call trace: [ 51.878317][ T4980] dump_backtrace+0x0/0x458 [ 51.879132][ T4980] show_stack+0x2c/0x3c [ 51.879804][ T4980] __dump_stack+0x30/0x40 [ 51.880508][ T4980] dump_stack_lvl+0xf4/0x15c [ 51.881217][ T4980] dump_stack+0x1c/0x5c [ 51.881880][ T4980] should_fail+0x3bc/0x514 [ 51.882637][ T4980] __should_failslab+0xbc/0x10c [ 51.883503][ T4980] should_failslab+0x10/0x28 [ 51.884295][ T4980] slab_pre_alloc_hook+0x64/0xe8 [ 51.885123][ T4980] kmem_cache_alloc+0x94/0x3d4 [ 51.885959][ T4980] alloc_extent_state+0x38/0x42c [ 51.886761][ T4980] convert_extent_bit+0x17c/0x16ec [ 51.887587][ T4980] btrfs_write_marked_extents+0x178/0x364 [ 51.888552][ T4980] btrfs_sync_log+0x12f8/0x1f5c [ 51.889343][ T4980] btrfs_sync_file+0x9c0/0xebc [ 51.890179][ T4980] vfs_fsync_range+0x168/0x188 [ 51.890988][ T4980] btrfs_file_write_iter+0xa70/0xbb8 [ 51.891849][ T4980] vfs_write+0x590/0xa60 [ 51.892529][ T4980] ksys_write+0x12c/0x224 [ 51.893236][ T4980] __arm64_sys_write+0x7c/0x90 [ 51.894045][ T4980] invoke_syscall+0x98/0x2b0 [ 51.894798][ T4980] el0_svc_common+0x138/0x258 [ 51.895610][ T4980] do_el0_svc+0x58/0x13c [ 51.896332][ T4980] el0_svc+0x78/0x1d0 [ 51.896957][ T4980] el0t_64_sync_handler+0xcc/0xe4 [ 51.897719][ T4980] el0t_64_sync+0x1a0/0x1a4 [ 52.075823][ T5001] loop0: detected capacity change from 0 to 32768 [ 52.078213][ T5001] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5001) [ 52.081368][ T5001] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 52.082752][ T5001] BTRFS info (device loop0): setting nodatacow, compression disabled [ 52.083971][ T5001] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 52.085742][ T5001] BTRFS info (device loop0): trying to use backup root at mount time [ 52.087012][ T5001] BTRFS info (device loop0): metadata ratio 1564 [ 52.088111][ T5001] BTRFS info (device loop0): doing ref verification [ 52.089212][ T5001] BTRFS info (device loop0): force zlib compression, level 3 [ 52.090393][ T5001] BTRFS info (device loop0): turning on flush-on-commit [ 52.091464][ T5001] BTRFS info (device loop0): using free space tree [ 52.092446][ T5001] BTRFS info (device loop0): has skinny extents [ 52.101244][ T5001] BTRFS info (device loop0): enabling ssd optimizations [ 52.107305][ T5001] FAULT_INJECTION: forcing a failure. [ 52.107305][ T5001] name failslab, interval 1, probability 0, space 0, times 0 [ 52.109530][ T5001] CPU: 1 PID: 5001 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.111162][ T5001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.112909][ T5001] Call trace: [ 52.113425][ T5001] dump_backtrace+0x0/0x458 [ 52.114168][ T5001] show_stack+0x2c/0x3c [ 52.114858][ T5001] __dump_stack+0x30/0x40 [ 52.115527][ T5001] dump_stack_lvl+0xf4/0x15c [ 52.116355][ T5001] dump_stack+0x1c/0x5c [ 52.117034][ T5001] should_fail+0x3bc/0x514 [ 52.117766][ T5001] __should_failslab+0xbc/0x10c [ 52.118523][ T5001] should_failslab+0x10/0x28 [ 52.119229][ T5001] slab_pre_alloc_hook+0x64/0xe8 [ 52.120078][ T5001] kmem_cache_alloc+0x94/0x3d4 [ 52.120856][ T5001] alloc_extent_state+0x38/0x42c [ 52.121677][ T5001] convert_extent_bit+0x17c/0x16ec [ 52.122492][ T5001] btrfs_write_marked_extents+0x178/0x364 [ 52.123404][ T5001] btrfs_sync_log+0x12f8/0x1f5c [ 52.124190][ T5001] btrfs_sync_file+0x9c0/0xebc [ 52.124935][ T5001] vfs_fsync_range+0x168/0x188 [ 52.125686][ T5001] btrfs_file_write_iter+0xa70/0xbb8 [ 52.126486][ T5001] vfs_write+0x590/0xa60 [ 52.127151][ T5001] ksys_write+0x12c/0x224 [ 52.127842][ T5001] __arm64_sys_write+0x7c/0x90 [ 52.128558][ T5001] invoke_syscall+0x98/0x2b0 [ 52.129233][ T5001] el0_svc_common+0x138/0x258 [ 52.129942][ T5001] do_el0_svc+0x58/0x13c [ 52.130548][ T5001] el0_svc+0x78/0x1d0 [ 52.131149][ T5001] el0t_64_sync_handler+0xcc/0xe4 [ 52.131906][ T5001] el0t_64_sync+0x1a0/0x1a4 [ 52.358586][ T5022] loop0: detected capacity change from 0 to 32768 [ 52.363082][ T5022] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5022) [ 52.368338][ T5022] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 52.369989][ T5022] BTRFS info (device loop0): setting nodatacow, compression disabled [ 52.371266][ T5022] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 52.373032][ T5022] BTRFS info (device loop0): trying to use backup root at mount time [ 52.374542][ T5022] BTRFS info (device loop0): metadata ratio 1564 [ 52.376023][ T5022] BTRFS info (device loop0): doing ref verification [ 52.377137][ T5022] BTRFS info (device loop0): force zlib compression, level 3 [ 52.378470][ T5022] BTRFS info (device loop0): turning on flush-on-commit [ 52.379811][ T5022] BTRFS info (device loop0): using free space tree [ 52.380935][ T5022] BTRFS info (device loop0): has skinny extents [ 52.393807][ T5022] BTRFS info (device loop0): enabling ssd optimizations [ 52.398879][ T5022] FAULT_INJECTION: forcing a failure. [ 52.398879][ T5022] name failslab, interval 1, probability 0, space 0, times 0 [ 52.401055][ T5022] CPU: 1 PID: 5022 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.402601][ T5022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.404299][ T5022] Call trace: [ 52.404827][ T5022] dump_backtrace+0x0/0x458 [ 52.405626][ T5022] show_stack+0x2c/0x3c [ 52.406325][ T5022] __dump_stack+0x30/0x40 [ 52.407037][ T5022] dump_stack_lvl+0xf4/0x15c [ 52.407795][ T5022] dump_stack+0x1c/0x5c [ 52.408516][ T5022] should_fail+0x3bc/0x514 [ 52.409255][ T5022] __should_failslab+0xbc/0x10c [ 52.410100][ T5022] should_failslab+0x10/0x28 [ 52.410866][ T5022] slab_pre_alloc_hook+0x64/0xe8 [ 52.411651][ T5022] kmem_cache_alloc+0x94/0x3d4 [ 52.412453][ T5022] btrfs_insert_item+0xd0/0x2b8 [ 52.413274][ T5022] btrfs_insert_root+0xa4/0x14c [ 52.414119][ T5022] btrfs_sync_log+0xb34/0x1f5c [ 52.415087][ T5022] btrfs_sync_file+0x9c0/0xebc [ 52.415849][ T5022] vfs_fsync_range+0x168/0x188 [ 52.416640][ T5022] btrfs_file_write_iter+0xa70/0xbb8 [ 52.417501][ T5022] vfs_write+0x590/0xa60 [ 52.418230][ T5022] ksys_write+0x12c/0x224 [ 52.419028][ T5022] __arm64_sys_write+0x7c/0x90 [ 52.419861][ T5022] invoke_syscall+0x98/0x2b0 [ 52.420653][ T5022] el0_svc_common+0x138/0x258 [ 52.421482][ T5022] do_el0_svc+0x58/0x13c [ 52.422194][ T5022] el0_svc+0x78/0x1d0 [ 52.422877][ T5022] el0t_64_sync_handler+0xcc/0xe4 [ 52.423740][ T5022] el0t_64_sync+0x1a0/0x1a4 [ 52.426220][ T5022] ------------[ cut here ]------------ [ 52.427223][ T5022] WARNING: CPU: 0 PID: 5022 at fs/btrfs/tree-log.c:3224 btrfs_sync_log+0x1438/0x1f5c [ 52.428575][ T5022] Modules linked in: [ 52.429172][ T5022] CPU: 0 PID: 5022 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.430653][ T5022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.432090][ T5022] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.433222][ T5022] pc : btrfs_sync_log+0x1438/0x1f5c [ 52.434034][ T5022] lr : btrfs_sync_log+0x1438/0x1f5c [ 52.434805][ T5022] sp : ffff8000216173e0 [ 52.435411][ T5022] x29: ffff8000216177e0 x28: 1fffe0001bd0a016 x27: ffff0000de850108 [ 52.436573][ T5022] x26: dfff800000000000 x25: ffff0000de8500b0 x24: 00000000fffffff4 [ 52.437817][ T5022] x23: ffff0000ce67c000 x22: ffff0000daedc4e0 x21: 0000000000000000 [ 52.439118][ T5022] x20: ffff0000cff56000 x19: 0000000000000009 x18: 0000000000000001 [ 52.440339][ T5022] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 52.441588][ T5022] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 52.442868][ T5022] x11: 0000000000000000 x10: 0000000000000000 x9 : 3b22104743f99800 [ 52.444240][ T5022] x8 : 3b22104743f99800 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.445561][ T5022] x5 : ffff800021616cf8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 52.446882][ T5022] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.448133][ T5022] Call trace: [ 52.448677][ T5022] btrfs_sync_log+0x1438/0x1f5c [ 52.449447][ T5022] btrfs_sync_file+0x9c0/0xebc [ 52.450149][ T5022] vfs_fsync_range+0x168/0x188 [ 52.450898][ T5022] btrfs_file_write_iter+0xa70/0xbb8 [ 52.451749][ T5022] vfs_write+0x590/0xa60 [ 52.452420][ T5022] ksys_write+0x12c/0x224 [ 52.453114][ T5022] __arm64_sys_write+0x7c/0x90 [ 52.453878][ T5022] invoke_syscall+0x98/0x2b0 [ 52.454578][ T5022] el0_svc_common+0x138/0x258 [ 52.455325][ T5022] do_el0_svc+0x58/0x13c [ 52.455984][ T5022] el0_svc+0x78/0x1d0 [ 52.456576][ T5022] el0t_64_sync_handler+0xcc/0xe4 [ 52.457345][ T5022] el0t_64_sync+0x1a0/0x1a4 [ 52.458065][ T5022] irq event stamp: 79816 [ 52.458683][ T5022] hardirqs last enabled at (79815): [] __up_console_sem+0xb4/0xfc [ 52.460107][ T5022] hardirqs last disabled at (79816): [] el1_dbg+0x24/0x80 [ 52.461609][ T5022] softirqs last enabled at (79790): [] handle_softirqs+0xa40/0xbe4 [ 52.463147][ T5022] softirqs last disabled at (79753): [] __irq_exit_rcu+0x240/0x43c [ 52.464708][ T5022] ---[ end trace 6783fd89a5e006fb ]--- [ 52.466164][ T5022] BTRFS: error (device loop0) in btrfs_sync_log:3224: errno=-12 Out of memory [ 52.467441][ T5022] BTRFS info (device loop0): forced readonly [ 52.659289][ T5043] loop0: detected capacity change from 0 to 32768 [ 52.663277][ T5043] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5043) [ 52.667890][ T5043] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 52.669586][ T5043] BTRFS info (device loop0): setting nodatacow, compression disabled [ 52.670960][ T5043] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 52.672755][ T5043] BTRFS info (device loop0): trying to use backup root at mount time [ 52.674125][ T5043] BTRFS info (device loop0): metadata ratio 1564 [ 52.675308][ T5043] BTRFS info (device loop0): doing ref verification [ 52.676501][ T5043] BTRFS info (device loop0): force zlib compression, level 3 [ 52.677690][ T5043] BTRFS info (device loop0): turning on flush-on-commit [ 52.678907][ T5043] BTRFS info (device loop0): using free space tree [ 52.679897][ T5043] BTRFS info (device loop0): has skinny extents [ 52.693127][ T5043] BTRFS info (device loop0): enabling ssd optimizations [ 52.698259][ T5043] FAULT_INJECTION: forcing a failure. [ 52.698259][ T5043] name failslab, interval 1, probability 0, space 0, times 0 [ 52.700477][ T5043] CPU: 1 PID: 5043 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.701889][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.703418][ T5043] Call trace: [ 52.703942][ T5043] dump_backtrace+0x0/0x458 [ 52.704704][ T5043] show_stack+0x2c/0x3c [ 52.705415][ T5043] __dump_stack+0x30/0x40 [ 52.706182][ T5043] dump_stack_lvl+0xf4/0x15c [ 52.707014][ T5043] dump_stack+0x1c/0x5c [ 52.707708][ T5043] should_fail+0x3bc/0x514 [ 52.708419][ T5043] __should_failslab+0xbc/0x10c [ 52.709194][ T5043] should_failslab+0x10/0x28 [ 52.709965][ T5043] slab_pre_alloc_hook+0x64/0xe8 [ 52.710758][ T5043] kmem_cache_alloc+0x94/0x3d4 [ 52.711497][ T5043] btrfs_insert_item+0xd0/0x2b8 [ 52.712345][ T5043] btrfs_insert_root+0xa4/0x14c [ 52.713158][ T5043] btrfs_sync_log+0xb34/0x1f5c [ 52.713970][ T5043] btrfs_sync_file+0x9c0/0xebc [ 52.714759][ T5043] vfs_fsync_range+0x168/0x188 [ 52.715560][ T5043] btrfs_file_write_iter+0xa70/0xbb8 [ 52.716422][ T5043] vfs_write+0x590/0xa60 [ 52.717049][ T5043] ksys_write+0x12c/0x224 [ 52.717658][ T5043] __arm64_sys_write+0x7c/0x90 [ 52.718440][ T5043] invoke_syscall+0x98/0x2b0 [ 52.719190][ T5043] el0_svc_common+0x138/0x258 [ 52.719996][ T5043] do_el0_svc+0x58/0x13c [ 52.720683][ T5043] el0_svc+0x78/0x1d0 [ 52.721295][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 52.722092][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 52.723417][ T5043] ------------[ cut here ]------------ [ 52.724377][ T5043] WARNING: CPU: 1 PID: 5043 at fs/btrfs/tree-log.c:3224 btrfs_sync_log+0x1438/0x1f5c [ 52.725823][ T5043] Modules linked in: [ 52.726425][ T5043] CPU: 1 PID: 5043 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.727829][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.729352][ T5043] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.730556][ T5043] pc : btrfs_sync_log+0x1438/0x1f5c [ 52.731347][ T5043] lr : btrfs_sync_log+0x1438/0x1f5c [ 52.732306][ T5043] sp : ffff8000217473e0 [ 52.733005][ T5043] x29: ffff8000217477e0 x28: 1fffe0001bd0a0b0 x27: ffff0000de8505d8 [ 52.734426][ T5043] x26: dfff800000000000 x25: ffff0000de850580 x24: 00000000fffffff4 [ 52.735757][ T5043] x23: ffff0000db53e000 x22: ffff0000daedc4e0 x21: 0000000000000000 [ 52.737011][ T5043] x20: ffff0000c80bc000 x19: 0000000000000009 x18: 0000000000000001 [ 52.738226][ T5043] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 52.739569][ T5043] x14: 0000000000000001 x13: 1ffff000042e8d9c x12: 0000000000ff0100 [ 52.740878][ T5043] x11: 0000000000000000 x10: 0000000000000000 x9 : 4cb564a8cd112e00 [ 52.742133][ T5043] x8 : 4cb564a8cd112e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.743434][ T5043] x5 : ffff800021746cf8 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 52.744739][ T5043] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.746111][ T5043] Call trace: [ 52.746676][ T5043] btrfs_sync_log+0x1438/0x1f5c [ 52.747395][ T5043] btrfs_sync_file+0x9c0/0xebc [ 52.748156][ T5043] vfs_fsync_range+0x168/0x188 [ 52.748931][ T5043] btrfs_file_write_iter+0xa70/0xbb8 [ 52.749809][ T5043] vfs_write+0x590/0xa60 [ 52.750491][ T5043] ksys_write+0x12c/0x224 [ 52.751199][ T5043] __arm64_sys_write+0x7c/0x90 [ 52.751969][ T5043] invoke_syscall+0x98/0x2b0 [ 52.752769][ T5043] el0_svc_common+0x138/0x258 [ 52.753555][ T5043] do_el0_svc+0x58/0x13c [ 52.754236][ T5043] el0_svc+0x78/0x1d0 [ 52.754921][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 52.755701][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 52.756434][ T5043] irq event stamp: 78796 [ 52.757102][ T5043] hardirqs last enabled at (78795): [] __up_console_sem+0xb4/0xfc [ 52.758641][ T5043] hardirqs last disabled at (78796): [] el1_dbg+0x24/0x80 [ 52.760029][ T5043] softirqs last enabled at (78770): [] handle_softirqs+0xa40/0xbe4 [ 52.761618][ T5043] softirqs last disabled at (78733): [] __irq_exit_rcu+0x240/0x43c [ 52.763175][ T5043] ---[ end trace 6783fd89a5e006fc ]--- [ 52.764178][ T5043] BTRFS: error (device loop0) in btrfs_sync_log:3224: errno=-12 Out of memory [ 52.765664][ T5043] BTRFS info (device loop0): forced readonly [ 52.942937][ T5064] loop0: detected capacity change from 0 to 32768 [ 52.945218][ T5064] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5064) [ 52.949578][ T5064] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 52.951029][ T5064] BTRFS info (device loop0): setting nodatacow, compression disabled [ 52.952413][ T5064] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 52.954238][ T5064] BTRFS info (device loop0): trying to use backup root at mount time [ 52.956001][ T5064] BTRFS info (device loop0): metadata ratio 1564 [ 52.957111][ T5064] BTRFS info (device loop0): doing ref verification [ 52.958120][ T5064] BTRFS info (device loop0): force zlib compression, level 3 [ 52.959478][ T5064] BTRFS info (device loop0): turning on flush-on-commit [ 52.960484][ T5064] BTRFS info (device loop0): using free space tree [ 52.961551][ T5064] BTRFS info (device loop0): has skinny extents [ 52.974121][ T5064] BTRFS info (device loop0): enabling ssd optimizations [ 52.979063][ T5064] FAULT_INJECTION: forcing a failure. [ 52.979063][ T5064] name failslab, interval 1, probability 0, space 0, times 0 [ 52.981207][ T5064] CPU: 1 PID: 5064 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.982654][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.984242][ T5064] Call trace: [ 52.984801][ T5064] dump_backtrace+0x0/0x458 [ 52.985535][ T5064] show_stack+0x2c/0x3c [ 52.986207][ T5064] __dump_stack+0x30/0x40 [ 52.986922][ T5064] dump_stack_lvl+0xf4/0x15c [ 52.987615][ T5064] dump_stack+0x1c/0x5c [ 52.988274][ T5064] should_fail+0x3bc/0x514 [ 52.989055][ T5064] __should_failslab+0xbc/0x10c [ 52.989861][ T5064] should_failslab+0x10/0x28 [ 52.990523][ T5064] slab_pre_alloc_hook+0x64/0xe8 [ 52.991237][ T5064] kmem_cache_alloc+0x94/0x3d4 [ 52.992013][ T5064] btrfs_insert_item+0xd0/0x2b8 [ 52.992757][ T5064] btrfs_insert_root+0xa4/0x14c [ 52.993517][ T5064] btrfs_sync_log+0xb34/0x1f5c [ 52.994368][ T5064] btrfs_sync_file+0x9c0/0xebc [ 52.995057][ T5064] vfs_fsync_range+0x168/0x188 [ 52.995787][ T5064] btrfs_file_write_iter+0xa70/0xbb8 [ 52.996588][ T5064] vfs_write+0x590/0xa60 [ 52.997264][ T5064] ksys_write+0x12c/0x224 [ 52.997964][ T5064] __arm64_sys_write+0x7c/0x90 [ 52.998722][ T5064] invoke_syscall+0x98/0x2b0 [ 52.999452][ T5064] el0_svc_common+0x138/0x258 [ 53.000283][ T5064] do_el0_svc+0x58/0x13c [ 53.000951][ T5064] el0_svc+0x78/0x1d0 [ 53.001582][ T5064] el0t_64_sync_handler+0xcc/0xe4 [ 53.002333][ T5064] el0t_64_sync+0x1a0/0x1a4 [ 53.003898][ T5064] ------------[ cut here ]------------ [ 53.004901][ T5064] WARNING: CPU: 1 PID: 5064 at fs/btrfs/tree-log.c:3224 btrfs_sync_log+0x1438/0x1f5c [ 53.006399][ T5064] Modules linked in: [ 53.007023][ T5064] CPU: 1 PID: 5064 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.008575][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.010169][ T5064] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.011440][ T5064] pc : btrfs_sync_log+0x1438/0x1f5c [ 53.012259][ T5064] lr : btrfs_sync_log+0x1438/0x1f5c [ 53.013044][ T5064] sp : ffff8000218673e0 [ 53.013703][ T5064] x29: ffff8000218677e0 x28: 1fffe0001bd3bcf2 x27: ffff0000de9de7e8 [ 53.015015][ T5064] x26: dfff800000000000 x25: ffff0000de9de790 x24: 00000000fffffff4 [ 53.016310][ T5064] x23: ffff0000d190c000 x22: ffff0000daedc4e0 x21: 0000000000000000 [ 53.017634][ T5064] x20: ffff0000dc284000 x19: 0000000000000009 x18: 0000000000000001 [ 53.018963][ T5064] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 53.020373][ T5064] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 53.021690][ T5064] x11: 0000000000000000 x10: 0000000000000000 x9 : a70237ccb6be2700 [ 53.023032][ T5064] x8 : a70237ccb6be2700 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.024317][ T5064] x5 : ffff800021866cf8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 53.025613][ T5064] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.026863][ T5064] Call trace: [ 53.027348][ T5064] btrfs_sync_log+0x1438/0x1f5c [ 53.028181][ T5064] btrfs_sync_file+0x9c0/0xebc [ 53.028894][ T5064] vfs_fsync_range+0x168/0x188 [ 53.029628][ T5064] btrfs_file_write_iter+0xa70/0xbb8 [ 53.030541][ T5064] vfs_write+0x590/0xa60 [ 53.031247][ T5064] ksys_write+0x12c/0x224 [ 53.031922][ T5064] __arm64_sys_write+0x7c/0x90 [ 53.032705][ T5064] invoke_syscall+0x98/0x2b0 [ 53.033456][ T5064] el0_svc_common+0x138/0x258 [ 53.034197][ T5064] do_el0_svc+0x58/0x13c [ 53.034893][ T5064] el0_svc+0x78/0x1d0 [ 53.035488][ T5064] el0t_64_sync_handler+0xcc/0xe4 [ 53.036281][ T5064] el0t_64_sync+0x1a0/0x1a4 [ 53.036937][ T5064] irq event stamp: 79194 [ 53.037608][ T5064] hardirqs last enabled at (79193): [] __up_console_sem+0xb4/0xfc [ 53.039124][ T5064] hardirqs last disabled at (79194): [] el1_dbg+0x24/0x80 [ 53.040511][ T5064] softirqs last enabled at (79168): [] handle_softirqs+0xa40/0xbe4 [ 53.042186][ T5064] softirqs last disabled at (79157): [] __irq_exit_rcu+0x240/0x43c [ 53.043767][ T5064] ---[ end trace 6783fd89a5e006fd ]--- [ 53.045817][ T5064] BTRFS: error (device loop0) in btrfs_sync_log:3224: errno=-12 Out of memory [ 53.047231][ T5064] BTRFS info (device loop0): forced readonly [ 53.227796][ T5085] loop0: detected capacity change from 0 to 32768 [ 53.230163][ T5085] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5085) [ 53.233288][ T5085] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 53.235632][ T5085] BTRFS info (device loop0): setting nodatacow, compression disabled [ 53.236962][ T5085] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 53.238729][ T5085] BTRFS info (device loop0): trying to use backup root at mount time [ 53.240020][ T5085] BTRFS info (device loop0): metadata ratio 1564 [ 53.240968][ T5085] BTRFS info (device loop0): doing ref verification [ 53.242093][ T5085] BTRFS info (device loop0): force zlib compression, level 3 [ 53.243399][ T5085] BTRFS info (device loop0): turning on flush-on-commit [ 53.244619][ T5085] BTRFS info (device loop0): using free space tree [ 53.245927][ T5085] BTRFS info (device loop0): has skinny extents [ 53.258010][ T5085] BTRFS info (device loop0): enabling ssd optimizations [ 53.262510][ T5085] FAULT_INJECTION: forcing a failure. [ 53.262510][ T5085] name failslab, interval 1, probability 0, space 0, times 0 [ 53.264652][ T5085] CPU: 1 PID: 5085 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.266096][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.267723][ T5085] Call trace: [ 53.268256][ T5085] dump_backtrace+0x0/0x458 [ 53.268998][ T5085] show_stack+0x2c/0x3c [ 53.269699][ T5085] __dump_stack+0x30/0x40 [ 53.270490][ T5085] dump_stack_lvl+0xf4/0x15c [ 53.271255][ T5085] dump_stack+0x1c/0x5c [ 53.271973][ T5085] should_fail+0x3bc/0x514 [ 53.272704][ T5085] __should_failslab+0xbc/0x10c [ 53.273510][ T5085] should_failslab+0x10/0x28 [ 53.274258][ T5085] slab_pre_alloc_hook+0x64/0xe8 [ 53.275055][ T5085] kmem_cache_alloc+0x94/0x3d4 [ 53.275800][ T5085] btrfs_insert_item+0xd0/0x2b8 [ 53.276587][ T5085] btrfs_insert_root+0xa4/0x14c [ 53.277263][ T5085] btrfs_sync_log+0xb34/0x1f5c [ 53.278114][ T5085] btrfs_sync_file+0x9c0/0xebc [ 53.278995][ T5085] vfs_fsync_range+0x168/0x188 [ 53.279808][ T5085] btrfs_file_write_iter+0xa70/0xbb8 [ 53.280719][ T5085] vfs_write+0x590/0xa60 [ 53.281480][ T5085] ksys_write+0x12c/0x224 [ 53.282220][ T5085] __arm64_sys_write+0x7c/0x90 [ 53.283011][ T5085] invoke_syscall+0x98/0x2b0 [ 53.283730][ T5085] el0_svc_common+0x138/0x258 [ 53.284467][ T5085] do_el0_svc+0x58/0x13c [ 53.285107][ T5085] el0_svc+0x78/0x1d0 [ 53.285762][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 53.286630][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 53.289397][ T5085] ------------[ cut here ]------------ [ 53.290439][ T5085] WARNING: CPU: 0 PID: 5085 at fs/btrfs/tree-log.c:3224 btrfs_sync_log+0x1438/0x1f5c [ 53.291893][ T5085] Modules linked in: [ 53.292432][ T5085] CPU: 0 PID: 5085 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.293793][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.295528][ T5085] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.296879][ T5085] pc : btrfs_sync_log+0x1438/0x1f5c [ 53.297715][ T5085] lr : btrfs_sync_log+0x1438/0x1f5c [ 53.298542][ T5085] sp : ffff8000219973e0 [ 53.299183][ T5085] x29: ffff8000219977e0 x28: 1fffe0001bd3bcc6 x27: ffff0000de9de688 [ 53.300528][ T5085] x26: dfff800000000000 x25: ffff0000de9de630 x24: 00000000fffffff4 [ 53.301866][ T5085] x23: ffff0000d5182000 x22: ffff0000c16bc4e0 x21: 0000000000000000 [ 53.303078][ T5085] x20: ffff0000dc552000 x19: 0000000000000009 x18: 0000000000000001 [ 53.304305][ T5085] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 53.305499][ T5085] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 53.306686][ T5085] x11: 0000000000000000 x10: 0000000000000000 x9 : ae6ff06b8731e300 [ 53.307904][ T5085] x8 : ae6ff06b8731e300 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.309081][ T5085] x5 : ffff800021996cf8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 53.310343][ T5085] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.311627][ T5085] Call trace: [ 53.312130][ T5085] btrfs_sync_log+0x1438/0x1f5c [ 53.312888][ T5085] btrfs_sync_file+0x9c0/0xebc [ 53.313627][ T5085] vfs_fsync_range+0x168/0x188 [ 53.314375][ T5085] btrfs_file_write_iter+0xa70/0xbb8 [ 53.315184][ T5085] vfs_write+0x590/0xa60 [ 53.315837][ T5085] ksys_write+0x12c/0x224 [ 53.316537][ T5085] __arm64_sys_write+0x7c/0x90 [ 53.317258][ T5085] invoke_syscall+0x98/0x2b0 [ 53.317965][ T5085] el0_svc_common+0x138/0x258 [ 53.318640][ T5085] do_el0_svc+0x58/0x13c [ 53.319246][ T5085] el0_svc+0x78/0x1d0 [ 53.319854][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 53.320583][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 53.321301][ T5085] irq event stamp: 79496 [ 53.322005][ T5085] hardirqs last enabled at (79495): [] __up_console_sem+0xb4/0xfc [ 53.323525][ T5085] hardirqs last disabled at (79496): [] el1_dbg+0x24/0x80 [ 53.324944][ T5085] softirqs last enabled at (79470): [] handle_softirqs+0xa40/0xbe4 [ 53.326448][ T5085] softirqs last disabled at (79457): [] __irq_exit_rcu+0x240/0x43c [ 53.327977][ T5085] ---[ end trace 6783fd89a5e006fe ]--- [ 53.329620][ T5085] BTRFS: error (device loop0) in btrfs_sync_log:3224: errno=-12 Out of memory [ 53.331088][ T5085] BTRFS info (device loop0): forced readonly [ 53.518829][ T5106] loop0: detected capacity change from 0 to 32768 [ 53.521241][ T5106] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5106) [ 53.525216][ T5106] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 53.527048][ T5106] BTRFS info (device loop0): setting nodatacow, compression disabled [ 53.528503][ T5106] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 53.530250][ T5106] BTRFS info (device loop0): trying to use backup root at mount time [ 53.531644][ T5106] BTRFS info (device loop0): metadata ratio 1564 [ 53.532588][ T5106] BTRFS info (device loop0): doing ref verification [ 53.533758][ T5106] BTRFS info (device loop0): force zlib compression, level 3 [ 53.534929][ T5106] BTRFS info (device loop0): turning on flush-on-commit [ 53.536528][ T5106] BTRFS info (device loop0): using free space tree [ 53.537654][ T5106] BTRFS info (device loop0): has skinny extents [ 53.546089][ T5106] BTRFS info (device loop0): enabling ssd optimizations [ 53.550927][ T5106] FAULT_INJECTION: forcing a failure. [ 53.550927][ T5106] name failslab, interval 1, probability 0, space 0, times 0 [ 53.553040][ T5106] CPU: 1 PID: 5106 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.554324][ T5106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.556127][ T5106] Call trace: [ 53.556643][ T5106] dump_backtrace+0x0/0x458 [ 53.557386][ T5106] show_stack+0x2c/0x3c [ 53.558065][ T5106] __dump_stack+0x30/0x40 [ 53.558757][ T5106] dump_stack_lvl+0xf4/0x15c [ 53.559495][ T5106] dump_stack+0x1c/0x5c [ 53.560153][ T5106] should_fail+0x3bc/0x514 [ 53.560933][ T5106] __should_failslab+0xbc/0x10c [ 53.561738][ T5106] should_failslab+0x10/0x28 [ 53.562452][ T5106] slab_pre_alloc_hook+0x64/0xe8 [ 53.563224][ T5106] kmem_cache_alloc+0x94/0x3d4 [ 53.564013][ T5106] btrfs_insert_item+0xd0/0x2b8 [ 53.564813][ T5106] btrfs_insert_root+0xa4/0x14c [ 53.565629][ T5106] btrfs_sync_log+0xb34/0x1f5c [ 53.566374][ T5106] btrfs_sync_file+0x9c0/0xebc [ 53.567119][ T5106] vfs_fsync_range+0x168/0x188 [ 53.567891][ T5106] btrfs_file_write_iter+0xa70/0xbb8 [ 53.568747][ T5106] vfs_write+0x590/0xa60 [ 53.569421][ T5106] ksys_write+0x12c/0x224 [ 53.570111][ T5106] __arm64_sys_write+0x7c/0x90 [ 53.570812][ T5106] invoke_syscall+0x98/0x2b0 [ 53.571543][ T5106] el0_svc_common+0x138/0x258 [ 53.572258][ T5106] do_el0_svc+0x58/0x13c [ 53.572949][ T5106] el0_svc+0x78/0x1d0 [ 53.573518][ T5106] el0t_64_sync_handler+0xcc/0xe4 [ 53.574260][ T5106] el0t_64_sync+0x1a0/0x1a4 [ 53.575616][ T5106] ------------[ cut here ]------------ [ 53.576521][ T5106] WARNING: CPU: 1 PID: 5106 at fs/btrfs/tree-log.c:3224 btrfs_sync_log+0x1438/0x1f5c [ 53.577930][ T5106] Modules linked in: [ 53.578489][ T5106] CPU: 1 PID: 5106 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.579996][ T5106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.581602][ T5106] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.582826][ T5106] pc : btrfs_sync_log+0x1438/0x1f5c [ 53.583681][ T5106] lr : btrfs_sync_log+0x1438/0x1f5c [ 53.584528][ T5106] sp : ffff800021ad73e0 [ 53.585242][ T5106] x29: ffff800021ad77e0 x28: 1fffe0001bd3bc84 x27: ffff0000de9de478 [ 53.586640][ T5106] x26: dfff800000000000 x25: ffff0000de9de420 x24: 00000000fffffff4 [ 53.588003][ T5106] x23: ffff0000ca168000 x22: ffff0000ccf2c4e0 x21: 0000000000000000 [ 53.589400][ T5106] x20: ffff0000d8788000 x19: 0000000000000009 x18: 0000000000000001 [ 53.590664][ T5106] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 53.592087][ T5106] x14: 0000000000000001 x13: 1ffff0000435ad9c x12: 0000000000ff0100 [ 53.593408][ T5106] x11: 0000000000000000 x10: 0000000000000000 x9 : 4d9903f6b0392e00 [ 53.594684][ T5106] x8 : 4d9903f6b0392e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.596064][ T5106] x5 : ffff800021ad6cf8 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 53.597302][ T5106] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.598608][ T5106] Call trace: [ 53.599135][ T5106] btrfs_sync_log+0x1438/0x1f5c [ 53.599892][ T5106] btrfs_sync_file+0x9c0/0xebc [ 53.600610][ T5106] vfs_fsync_range+0x168/0x188 [ 53.601342][ T5106] btrfs_file_write_iter+0xa70/0xbb8 [ 53.602189][ T5106] vfs_write+0x590/0xa60 [ 53.602945][ T5106] ksys_write+0x12c/0x224 [ 53.603659][ T5106] __arm64_sys_write+0x7c/0x90 [ 53.604429][ T5106] invoke_syscall+0x98/0x2b0 [ 53.605189][ T5106] el0_svc_common+0x138/0x258 [ 53.605950][ T5106] do_el0_svc+0x58/0x13c [ 53.606701][ T5106] el0_svc+0x78/0x1d0 [ 53.607385][ T5106] el0t_64_sync_handler+0xcc/0xe4 [ 53.608178][ T5106] el0t_64_sync+0x1a0/0x1a4 [ 53.608885][ T5106] irq event stamp: 79244 [ 53.609560][ T5106] hardirqs last enabled at (79243): [] __up_console_sem+0xb4/0xfc [ 53.610908][ T5106] hardirqs last disabled at (79244): [] el1_dbg+0x24/0x80 [ 53.612314][ T5106] softirqs last enabled at (79218): [] handle_softirqs+0xa40/0xbe4 [ 53.613838][ T5106] softirqs last disabled at (79193): [] __irq_exit_rcu+0x240/0x43c [ 53.615336][ T5106] ---[ end trace 6783fd89a5e006ff ]--- [ 53.616410][ T4622] Bluetooth: hci0: command 0x0419 tx timeout [ 53.617826][ T5106] BTRFS: error (device loop0) in btrfs_sync_log:3224: errno=-12 Out of memory [ 53.619322][ T5106] BTRFS info (device loop0): forced readonly [ 53.794247][ T5127] loop0: detected capacity change from 0 to 32768 [ 53.799170][ T5127] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5127) [ 53.804905][ T5127] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 53.806634][ T5127] BTRFS info (device loop0): setting nodatacow, compression disabled [ 53.807983][ T5127] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 53.809677][ T5127] BTRFS info (device loop0): trying to use backup root at mount time [ 53.811008][ T5127] BTRFS info (device loop0): metadata ratio 1564 [ 53.812204][ T5127] BTRFS info (device loop0): doing ref verification [ 53.813322][ T5127] BTRFS info (device loop0): force zlib compression, level 3 [ 53.814549][ T5127] BTRFS info (device loop0): turning on flush-on-commit [ 53.815759][ T5127] BTRFS info (device loop0): using free space tree [ 53.816935][ T5127] BTRFS info (device loop0): has skinny extents [ 53.827540][ T5127] BTRFS info (device loop0): enabling ssd optimizations [ 53.832270][ T5127] FAULT_INJECTION: forcing a failure. [ 53.832270][ T5127] name failslab, interval 1, probability 0, space 0, times 0 [ 53.834420][ T5127] CPU: 0 PID: 5127 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.835978][ T5127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.837565][ T5127] Call trace: [ 53.838092][ T5127] dump_backtrace+0x0/0x458 [ 53.838907][ T5127] show_stack+0x2c/0x3c [ 53.839549][ T5127] __dump_stack+0x30/0x40 [ 53.840239][ T5127] dump_stack_lvl+0xf4/0x15c [ 53.840928][ T5127] dump_stack+0x1c/0x5c [ 53.841562][ T5127] should_fail+0x3bc/0x514 [ 53.842224][ T5127] __should_failslab+0xbc/0x10c [ 53.842963][ T5127] should_failslab+0x10/0x28 [ 53.843660][ T5127] slab_pre_alloc_hook+0x64/0xe8 [ 53.844391][ T5127] kmem_cache_alloc+0x94/0x3d4 [ 53.845153][ T5127] mempool_alloc_slab+0x58/0x74 [ 53.845945][ T5127] mempool_alloc+0x144/0x3f0 [ 53.846641][ T5127] bio_alloc_bioset+0x118/0x718 [ 53.847353][ T5127] submit_extent_page+0x424/0x11d4 [ 53.848155][ T5127] write_one_eb+0x1bc/0x55c [ 53.848820][ T5127] btree_write_cache_pages+0xef4/0x149c [ 53.849685][ T5127] btree_writepages+0x6c/0x190 [ 53.850464][ T5127] do_writepages+0x364/0x584 [ 53.851253][ T5127] filemap_fdatawrite_wbc+0x1d4/0x234 [ 53.852125][ T5127] filemap_fdatawrite_range+0xc0/0x114 [ 53.852984][ T5127] btrfs_write_marked_extents+0x1bc/0x364 [ 53.853888][ T5127] btrfs_sync_log+0x12f8/0x1f5c [ 53.854661][ T5127] btrfs_sync_file+0x9c0/0xebc [ 53.855433][ T5127] vfs_fsync_range+0x168/0x188 [ 53.856187][ T5127] btrfs_file_write_iter+0xa70/0xbb8 [ 53.856995][ T5127] vfs_write+0x590/0xa60 [ 53.857649][ T5127] ksys_write+0x12c/0x224 [ 53.858351][ T5127] __arm64_sys_write+0x7c/0x90 [ 53.859130][ T5127] invoke_syscall+0x98/0x2b0 [ 53.859908][ T5127] el0_svc_common+0x138/0x258 [ 53.860658][ T5127] do_el0_svc+0x58/0x13c [ 53.861314][ T5127] el0_svc+0x78/0x1d0 [ 53.861968][ T5127] el0t_64_sync_handler+0xcc/0xe4 [ 53.862705][ T5127] el0t_64_sync+0x1a0/0x1a4 [ 54.036381][ T5148] loop0: detected capacity change from 0 to 32768 [ 54.038846][ T5148] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5148) [ 54.042112][ T5148] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 54.043569][ T5148] BTRFS info (device loop0): setting nodatacow, compression disabled [ 54.045084][ T5148] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 54.047237][ T5148] BTRFS info (device loop0): trying to use backup root at mount time [ 54.048634][ T5148] BTRFS info (device loop0): metadata ratio 1564 [ 54.049833][ T5148] BTRFS info (device loop0): doing ref verification [ 54.066145][ T5148] FAULT_INJECTION: forcing a failure. [ 54.066145][ T5148] name failslab, interval 1, probability 0, space 0, times 0 [ 54.068208][ T5148] CPU: 1 PID: 5148 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.069572][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.071195][ T5148] Call trace: [ 54.071741][ T5148] dump_backtrace+0x0/0x458 [ 54.072437][ T5148] show_stack+0x2c/0x3c [ 54.073129][ T5148] __dump_stack+0x30/0x40 [ 54.073809][ T5148] dump_stack_lvl+0xf4/0x15c [ 54.074498][ T5148] dump_stack+0x1c/0x5c [ 54.075119][ T5148] should_fail+0x3bc/0x514 [ 54.075820][ T5148] __should_failslab+0xbc/0x10c [ 54.076606][ T5148] should_failslab+0x10/0x28 [ 54.077315][ T5148] slab_pre_alloc_hook+0x64/0xe8 [ 54.078098][ T5148] kmem_cache_alloc+0x94/0x3d4 [ 54.078840][ T5148] alloc_extent_state+0x38/0x42c [ 54.079593][ T5148] convert_extent_bit+0x17c/0x16ec [ 54.080394][ T5148] btrfs_write_marked_extents+0x178/0x364 [ 54.081284][ T5148] btrfs_sync_log+0x12f8/0x1f5c [ 54.082085][ T5148] btrfs_sync_file+0x9c0/0xebc [ 54.082856][ T5148] vfs_fsync_range+0x168/0x188 [ 54.083626][ T5148] btrfs_file_write_iter+0xa70/0xbb8 [ 54.084550][ T5148] vfs_write+0x590/0xa60 [ 54.085271][ T5148] ksys_write+0x12c/0x224 [ 54.085974][ T5148] __arm64_sys_write+0x7c/0x90 [ 54.086736][ T5148] invoke_syscall+0x98/0x2b0 [ 54.087497][ T5148] el0_svc_common+0x138/0x258 [ 54.088271][ T5148] do_el0_svc+0x58/0x13c [ 54.088930][ T5148] el0_svc+0x78/0x1d0 [ 54.089588][ T5148] el0t_64_sync_handler+0xcc/0xe4 [ 54.090379][ T5148] el0t_64_sync+0x1a0/0x1a4 [ 54.270250][ T5169] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5169) [ 54.274310][ T5169] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 54.287200][ T5169] FAULT_INJECTION: forcing a failure. [ 54.287200][ T5169] name failslab, interval 1, probability 0, space 0, times 0 [ 54.289324][ T5169] CPU: 1 PID: 5169 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.290740][ T5169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.292414][ T5169] Call trace: [ 54.292976][ T5169] dump_backtrace+0x0/0x458 [ 54.293704][ T5169] show_stack+0x2c/0x3c [ 54.294367][ T5169] __dump_stack+0x30/0x40 [ 54.295056][ T5169] dump_stack_lvl+0xf4/0x15c [ 54.295758][ T5169] dump_stack+0x1c/0x5c [ 54.296429][ T5169] should_fail+0x3bc/0x514 [ 54.297090][ T5169] __should_failslab+0xbc/0x10c [ 54.297855][ T5169] should_failslab+0x10/0x28 [ 54.298614][ T5169] slab_pre_alloc_hook+0x64/0xe8 [ 54.299376][ T5169] kmem_cache_alloc+0x94/0x3d4 [ 54.300109][ T5169] mempool_alloc_slab+0x58/0x74 [ 54.300849][ T5169] mempool_alloc+0x144/0x3f0 [ 54.301594][ T5169] bio_alloc_bioset+0x118/0x718 [ 54.302380][ T5169] submit_extent_page+0x424/0x11d4 [ 54.303178][ T5169] write_one_eb+0x1bc/0x55c [ 54.303928][ T5169] btree_write_cache_pages+0xef4/0x149c [ 54.304906][ T5169] btree_writepages+0x6c/0x190 [ 54.305717][ T5169] do_writepages+0x364/0x584 [ 54.306449][ T5169] filemap_fdatawrite_wbc+0x1d4/0x234 [ 54.307285][ T5169] filemap_fdatawrite_range+0xc0/0x114 [ 54.308139][ T5169] btrfs_write_marked_extents+0x1bc/0x364 [ 54.309059][ T5169] btrfs_sync_log+0x12f8/0x1f5c [ 54.309817][ T5169] btrfs_sync_file+0x9c0/0xebc [ 54.310621][ T5169] vfs_fsync_range+0x168/0x188 [ 54.311366][ T5169] btrfs_file_write_iter+0xa70/0xbb8 [ 54.312230][ T5169] vfs_write+0x590/0xa60 [ 54.312930][ T5169] ksys_write+0x12c/0x224 [ 54.313656][ T5169] __arm64_sys_write+0x7c/0x90 [ 54.314461][ T5169] invoke_syscall+0x98/0x2b0 [ 54.315261][ T5169] el0_svc_common+0x138/0x258 [ 54.316065][ T5169] do_el0_svc+0x58/0x13c [ 54.316828][ T5169] el0_svc+0x78/0x1d0 [ 54.317494][ T5169] el0t_64_sync_handler+0xcc/0xe4 [ 54.318338][ T5169] el0t_64_sync+0x1a0/0x1a4 [ 54.513537][ T5190] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5190) [ 54.517069][ T5190] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 54.530503][ T5190] FAULT_INJECTION: forcing a failure. [ 54.530503][ T5190] name failslab, interval 1, probability 0, space 0, times 0 [ 54.532493][ T5190] CPU: 1 PID: 5190 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.533861][ T5190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.535475][ T5190] Call trace: [ 54.535984][ T5190] dump_backtrace+0x0/0x458 [ 54.536675][ T5190] show_stack+0x2c/0x3c [ 54.537284][ T5190] __dump_stack+0x30/0x40 [ 54.537974][ T5190] dump_stack_lvl+0xf4/0x15c [ 54.538703][ T5190] dump_stack+0x1c/0x5c [ 54.539347][ T5190] should_fail+0x3bc/0x514 [ 54.540081][ T5190] __should_failslab+0xbc/0x10c [ 54.540816][ T5190] should_failslab+0x10/0x28 [ 54.541526][ T5190] slab_pre_alloc_hook+0x64/0xe8 [ 54.542424][ T5190] kmem_cache_alloc+0x94/0x3d4 [ 54.543279][ T5190] alloc_extent_state+0x38/0x42c [ 54.544106][ T5190] convert_extent_bit+0x17c/0x16ec [ 54.544954][ T5190] btrfs_write_marked_extents+0x178/0x364 [ 54.545902][ T5190] btrfs_sync_log+0x12f8/0x1f5c [ 54.546683][ T5190] btrfs_sync_file+0x9c0/0xebc [ 54.547473][ T5190] vfs_fsync_range+0x168/0x188 [ 54.548243][ T5190] btrfs_file_write_iter+0xa70/0xbb8 [ 54.549108][ T5190] vfs_write+0x590/0xa60 [ 54.549816][ T5190] ksys_write+0x12c/0x224 [ 54.550506][ T5190] __arm64_sys_write+0x7c/0x90 [ 54.551285][ T5190] invoke_syscall+0x98/0x2b0 [ 54.552012][ T5190] el0_svc_common+0x138/0x258 [ 54.552793][ T5190] do_el0_svc+0x58/0x13c [ 54.553499][ T5190] el0_svc+0x78/0x1d0 [ 54.554115][ T5190] el0t_64_sync_handler+0xcc/0xe4 [ 54.554911][ T5190] el0t_64_sync+0x1a0/0x1a4 [ 54.735237][ T5211] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5211) [ 54.738797][ T5211] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 54.756414][ T5211] FAULT_INJECTION: forcing a failure. [ 54.756414][ T5211] name failslab, interval 1, probability 0, space 0, times 0 [ 54.758601][ T5211] CPU: 1 PID: 5211 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.760226][ T5211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.761945][ T5211] Call trace: [ 54.762418][ T5211] dump_backtrace+0x0/0x458 [ 54.763098][ T5211] show_stack+0x2c/0x3c [ 54.763782][ T5211] __dump_stack+0x30/0x40 [ 54.764549][ T5211] dump_stack_lvl+0xf4/0x15c [ 54.765264][ T5211] dump_stack+0x1c/0x5c [ 54.765939][ T5211] should_fail+0x3bc/0x514 [ 54.766662][ T5211] __should_failslab+0xbc/0x10c [ 54.767567][ T5211] should_failslab+0x10/0x28 [ 54.768330][ T5211] slab_pre_alloc_hook+0x64/0xe8 [ 54.769141][ T5211] kmem_cache_alloc+0x94/0x3d4 [ 54.769946][ T5211] alloc_extent_state+0x38/0x42c [ 54.770740][ T5211] convert_extent_bit+0x17c/0x16ec [ 54.771557][ T5211] btrfs_write_marked_extents+0x178/0x364 [ 54.772440][ T5211] btrfs_sync_log+0x12f8/0x1f5c [ 54.773194][ T5211] btrfs_sync_file+0x9c0/0xebc [ 54.773925][ T5211] vfs_fsync_range+0x168/0x188 [ 54.774655][ T5211] btrfs_file_write_iter+0xa70/0xbb8 [ 54.775565][ T5211] vfs_write+0x590/0xa60 [ 54.776264][ T5211] ksys_write+0x12c/0x224 [ 54.776976][ T5211] __arm64_sys_write+0x7c/0x90 [ 54.777742][ T5211] invoke_syscall+0x98/0x2b0 [ 54.778487][ T5211] el0_svc_common+0x138/0x258 [ 54.779193][ T5211] do_el0_svc+0x58/0x13c [ 54.779839][ T5211] el0_svc+0x78/0x1d0 [ 54.780469][ T5211] el0t_64_sync_handler+0xcc/0xe4 [ 54.781270][ T5211] el0t_64_sync+0x1a0/0x1a4 [ 54.983934][ T5232] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5232) [ 54.987214][ T5232] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 55.006922][ T5232] FAULT_INJECTION: forcing a failure. [ 55.006922][ T5232] name failslab, interval 1, probability 0, space 0, times 0 [ 55.009257][ T5232] CPU: 0 PID: 5232 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.010652][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.012305][ T5232] Call trace: [ 55.012826][ T5232] dump_backtrace+0x0/0x458 [ 55.013610][ T5232] show_stack+0x2c/0x3c [ 55.014256][ T5232] __dump_stack+0x30/0x40 [ 55.014956][ T5232] dump_stack_lvl+0xf4/0x15c [ 55.015679][ T5232] dump_stack+0x1c/0x5c [ 55.016419][ T5232] should_fail+0x3bc/0x514 [ 55.017168][ T5232] __should_failslab+0xbc/0x10c [ 55.017985][ T5232] should_failslab+0x10/0x28 [ 55.018774][ T5232] slab_pre_alloc_hook+0x64/0xe8 [ 55.019534][ T5232] kmem_cache_alloc+0x94/0x3d4 [ 55.020255][ T5232] mempool_alloc_slab+0x58/0x74 [ 55.021022][ T5232] mempool_alloc+0x144/0x3f0 [ 55.021686][ T5232] bio_alloc_bioset+0x118/0x718 [ 55.022514][ T5232] submit_extent_page+0x424/0x11d4 [ 55.023365][ T5232] write_one_eb+0x1bc/0x55c [ 55.024099][ T5232] btree_write_cache_pages+0xef4/0x149c [ 55.025030][ T5232] btree_writepages+0x6c/0x190 [ 55.025792][ T5232] do_writepages+0x364/0x584 [ 55.026462][ T5232] filemap_fdatawrite_wbc+0x1d4/0x234 [ 55.027266][ T5232] filemap_fdatawrite_range+0xc0/0x114 [ 55.028105][ T5232] btrfs_write_marked_extents+0x1bc/0x364 [ 55.028989][ T5232] btrfs_sync_log+0x12f8/0x1f5c [ 55.029767][ T5232] btrfs_sync_file+0x9c0/0xebc [ 55.030492][ T5232] vfs_fsync_range+0x168/0x188 [ 55.031298][ T5232] btrfs_file_write_iter+0xa70/0xbb8 [ 55.032122][ T5232] vfs_write+0x590/0xa60 [ 55.032798][ T5232] ksys_write+0x12c/0x224 [ 55.033510][ T5232] __arm64_sys_write+0x7c/0x90 [ 55.034214][ T5232] invoke_syscall+0x98/0x2b0 [ 55.034844][ T5232] el0_svc_common+0x138/0x258 [ 55.035536][ T5232] do_el0_svc+0x58/0x13c [ 55.036226][ T5232] el0_svc+0x78/0x1d0 [ 55.036889][ T5232] el0t_64_sync_handler+0xcc/0xe4 [ 55.037763][ T5232] el0t_64_sync+0x1a0/0x1a4 [ 55.224307][ T5253] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5253) [ 55.227819][ T5253] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 55.247856][ T5253] FAULT_INJECTION: forcing a failure. [ 55.247856][ T5253] name failslab, interval 1, probability 0, space 0, times 0 [ 55.249822][ T5253] CPU: 1 PID: 5253 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.251254][ T5253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.252968][ T5253] Call trace: [ 55.253514][ T5253] dump_backtrace+0x0/0x458 [ 55.254288][ T5253] show_stack+0x2c/0x3c [ 55.254998][ T5253] __dump_stack+0x30/0x40 [ 55.255720][ T5253] dump_stack_lvl+0xf4/0x15c [ 55.256537][ T5253] dump_stack+0x1c/0x5c [ 55.257213][ T5253] should_fail+0x3bc/0x514 [ 55.257892][ T5253] __should_failslab+0xbc/0x10c [ 55.258635][ T5253] should_failslab+0x10/0x28 [ 55.259331][ T5253] slab_pre_alloc_hook+0x64/0xe8 [ 55.260138][ T5253] kmem_cache_alloc+0x94/0x3d4 [ 55.260862][ T5253] mempool_alloc_slab+0x58/0x74 [ 55.261572][ T5253] mempool_alloc+0x144/0x3f0 [ 55.262244][ T5253] bio_alloc_bioset+0x118/0x718 [ 55.262958][ T5253] submit_extent_page+0x424/0x11d4 [ 55.263707][ T5253] write_one_eb+0x1bc/0x55c [ 55.264364][ T5253] btree_write_cache_pages+0xef4/0x149c [ 55.265161][ T5253] btree_writepages+0x6c/0x190 [ 55.265869][ T5253] do_writepages+0x364/0x584 [ 55.266559][ T5253] filemap_fdatawrite_wbc+0x1d4/0x234 [ 55.267361][ T5253] filemap_fdatawrite_range+0xc0/0x114 [ 55.268231][ T5253] btrfs_write_marked_extents+0x1bc/0x364 [ 55.269085][ T5253] btrfs_sync_log+0x12f8/0x1f5c [ 55.269814][ T5253] btrfs_sync_file+0x9c0/0xebc [ 55.270485][ T5253] vfs_fsync_range+0x168/0x188 [ 55.271188][ T5253] btrfs_file_write_iter+0xa70/0xbb8 [ 55.271991][ T5253] vfs_write+0x590/0xa60 [ 55.272642][ T5253] ksys_write+0x12c/0x224 [ 55.273245][ T5253] __arm64_sys_write+0x7c/0x90 [ 55.273993][ T5253] invoke_syscall+0x98/0x2b0 [ 55.274710][ T5253] el0_svc_common+0x138/0x258 [ 55.275398][ T5253] do_el0_svc+0x58/0x13c [ 55.276083][ T5253] el0_svc+0x78/0x1d0 [ 55.276685][ T5253] el0t_64_sync_handler+0xcc/0xe4 [ 55.277458][ T5253] el0t_64_sync+0x1a0/0x1a4 [ 55.474858][ T5274] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5274) [ 55.479718][ T5274] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 55.502184][ T5274] FAULT_INJECTION: forcing a failure. [ 55.502184][ T5274] name failslab, interval 1, probability 0, space 0, times 0 [ 55.504274][ T5274] CPU: 0 PID: 5274 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.505694][ T5274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.507368][ T5274] Call trace: [ 55.507906][ T5274] dump_backtrace+0x0/0x458 [ 55.508702][ T5274] show_stack+0x2c/0x3c [ 55.509437][ T5274] __dump_stack+0x30/0x40 [ 55.510199][ T5274] dump_stack_lvl+0xf4/0x15c [ 55.511012][ T5274] dump_stack+0x1c/0x5c [ 55.511667][ T5274] should_fail+0x3bc/0x514 [ 55.512380][ T5274] __should_failslab+0xbc/0x10c [ 55.513184][ T5274] should_failslab+0x10/0x28 [ 55.513937][ T5274] slab_pre_alloc_hook+0x64/0xe8 [ 55.514693][ T5274] kmem_cache_alloc+0x94/0x3d4 [ 55.515433][ T5274] mempool_alloc_slab+0x58/0x74 [ 55.516161][ T5274] mempool_alloc+0x144/0x3f0 [ 55.516887][ T5274] bio_alloc_bioset+0x118/0x718 [ 55.517674][ T5274] submit_extent_page+0x424/0x11d4 [ 55.518505][ T5274] write_one_eb+0x1bc/0x55c [ 55.519209][ T5274] btree_write_cache_pages+0xef4/0x149c [ 55.520089][ T5274] btree_writepages+0x6c/0x190 [ 55.520842][ T5274] do_writepages+0x364/0x584 [ 55.521499][ T5274] filemap_fdatawrite_wbc+0x1d4/0x234 [ 55.522275][ T5274] filemap_fdatawrite_range+0xc0/0x114 [ 55.523093][ T5274] btrfs_write_marked_extents+0x1bc/0x364 [ 55.523999][ T5274] btrfs_sync_log+0x12f8/0x1f5c [ 55.524782][ T5274] btrfs_sync_file+0x9c0/0xebc [ 55.525541][ T5274] vfs_fsync_range+0x168/0x188 [ 55.526253][ T5274] btrfs_file_write_iter+0xa70/0xbb8 [ 55.527076][ T5274] vfs_write+0x590/0xa60 [ 55.527692][ T5274] ksys_write+0x12c/0x224 [ 55.528322][ T5274] __arm64_sys_write+0x7c/0x90 [ 55.529047][ T5274] invoke_syscall+0x98/0x2b0 [ 55.529715][ T5274] el0_svc_common+0x138/0x258 [ 55.530482][ T5274] do_el0_svc+0x58/0x13c [ 55.531165][ T5274] el0_svc+0x78/0x1d0 [ 55.531812][ T5274] el0t_64_sync_handler+0xcc/0xe4 [ 55.532599][ T5274] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:00:55 executed programs: 35 [ 55.736366][ T5295] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5295) [ 55.743621][ T5295] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 55.762996][ T5295] FAULT_INJECTION: forcing a failure. [ 55.762996][ T5295] name failslab, interval 1, probability 0, space 0, times 0 [ 55.765087][ T5295] CPU: 0 PID: 5295 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.766598][ T5295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.768275][ T5295] Call trace: [ 55.768791][ T5295] dump_backtrace+0x0/0x458 [ 55.769532][ T5295] show_stack+0x2c/0x3c [ 55.770230][ T5295] __dump_stack+0x30/0x40 [ 55.770973][ T5295] dump_stack_lvl+0xf4/0x15c [ 55.771741][ T5295] dump_stack+0x1c/0x5c [ 55.772518][ T5295] should_fail+0x3bc/0x514 [ 55.773291][ T5295] __should_failslab+0xbc/0x10c [ 55.774079][ T5295] should_failslab+0x10/0x28 [ 55.774793][ T5295] slab_pre_alloc_hook+0x64/0xe8 [ 55.775550][ T5295] kmem_cache_alloc+0x94/0x3d4 [ 55.776277][ T5295] mempool_alloc_slab+0x58/0x74 [ 55.777074][ T5295] mempool_alloc+0x144/0x3f0 [ 55.777744][ T5295] bio_alloc_bioset+0x118/0x718 [ 55.778489][ T5295] submit_extent_page+0x424/0x11d4 [ 55.779315][ T5295] write_one_eb+0x1bc/0x55c [ 55.780009][ T5295] btree_write_cache_pages+0xef4/0x149c [ 55.780860][ T5295] btree_writepages+0x6c/0x190 [ 55.781705][ T5295] do_writepages+0x364/0x584 [ 55.782466][ T5295] filemap_fdatawrite_wbc+0x1d4/0x234 [ 55.783392][ T5295] filemap_fdatawrite_range+0xc0/0x114 [ 55.784258][ T5295] btrfs_write_marked_extents+0x1bc/0x364 [ 55.785198][ T5295] btrfs_sync_log+0x12f8/0x1f5c [ 55.785958][ T5295] btrfs_sync_file+0x9c0/0xebc [ 55.786758][ T5295] vfs_fsync_range+0x168/0x188 [ 55.787549][ T5295] btrfs_file_write_iter+0xa70/0xbb8 [ 55.788406][ T5295] vfs_write+0x590/0xa60 [ 55.789140][ T5295] ksys_write+0x12c/0x224 [ 55.789810][ T5295] __arm64_sys_write+0x7c/0x90 [ 55.790615][ T5295] invoke_syscall+0x98/0x2b0 [ 55.791337][ T5295] el0_svc_common+0x138/0x258 [ 55.792110][ T5295] do_el0_svc+0x58/0x13c [ 55.792791][ T5295] el0_svc+0x78/0x1d0 [ 55.793468][ T5295] el0t_64_sync_handler+0xcc/0xe4 [ 55.794294][ T5295] el0t_64_sync+0x1a0/0x1a4 [ 55.978059][ T5316] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5316) [ 55.983003][ T5316] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 55.996700][ T5316] FAULT_INJECTION: forcing a failure. [ 55.996700][ T5316] name failslab, interval 1, probability 0, space 0, times 0 [ 55.998960][ T5316] CPU: 1 PID: 5316 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.000516][ T5316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.002112][ T5316] Call trace: [ 56.002626][ T5316] dump_backtrace+0x0/0x458 [ 56.003316][ T5316] show_stack+0x2c/0x3c [ 56.003989][ T5316] __dump_stack+0x30/0x40 [ 56.004693][ T5316] dump_stack_lvl+0xf4/0x15c [ 56.005432][ T5316] dump_stack+0x1c/0x5c [ 56.006144][ T5316] should_fail+0x3bc/0x514 [ 56.006841][ T5316] __should_failslab+0xbc/0x10c [ 56.007575][ T5316] should_failslab+0x10/0x28 [ 56.008279][ T5316] slab_pre_alloc_hook+0x64/0xe8 [ 56.009112][ T5316] kmem_cache_alloc+0x94/0x3d4 [ 56.009880][ T5316] alloc_extent_state+0x38/0x42c [ 56.010592][ T5316] convert_extent_bit+0x17c/0x16ec [ 56.011391][ T5316] btrfs_write_marked_extents+0x178/0x364 [ 56.012308][ T5316] btrfs_sync_log+0x12f8/0x1f5c [ 56.013134][ T5316] btrfs_sync_file+0x9c0/0xebc [ 56.013894][ T5316] vfs_fsync_range+0x168/0x188 [ 56.014655][ T5316] btrfs_file_write_iter+0xa70/0xbb8 [ 56.015496][ T5316] vfs_write+0x590/0xa60 [ 56.016140][ T5316] ksys_write+0x12c/0x224 [ 56.016947][ T5316] __arm64_sys_write+0x7c/0x90 [ 56.017757][ T5316] invoke_syscall+0x98/0x2b0 [ 56.018526][ T5316] el0_svc_common+0x138/0x258 [ 56.019292][ T5316] do_el0_svc+0x58/0x13c [ 56.019955][ T5316] el0_svc+0x78/0x1d0 [ 56.020617][ T5316] el0t_64_sync_handler+0xcc/0xe4 [ 56.021482][ T5316] el0t_64_sync+0x1a0/0x1a4 [ 56.196628][ T5337] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5337) [ 56.199657][ T5337] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 56.220787][ T5337] FAULT_INJECTION: forcing a failure. [ 56.220787][ T5337] name failslab, interval 1, probability 0, space 0, times 0 [ 56.222969][ T5337] CPU: 1 PID: 5337 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.224375][ T5337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.226092][ T5337] Call trace: [ 56.226637][ T5337] dump_backtrace+0x0/0x458 [ 56.227363][ T5337] show_stack+0x2c/0x3c [ 56.228007][ T5337] __dump_stack+0x30/0x40 [ 56.228670][ T5337] dump_stack_lvl+0xf4/0x15c [ 56.229424][ T5337] dump_stack+0x1c/0x5c [ 56.230083][ T5337] should_fail+0x3bc/0x514 [ 56.230759][ T5337] __should_failslab+0xbc/0x10c [ 56.231446][ T5337] should_failslab+0x10/0x28 [ 56.232273][ T5337] slab_pre_alloc_hook+0x64/0xe8 [ 56.233040][ T5337] kmem_cache_alloc+0x94/0x3d4 [ 56.233770][ T5337] alloc_extent_state+0x38/0x42c [ 56.234580][ T5337] convert_extent_bit+0x17c/0x16ec [ 56.235382][ T5337] btrfs_write_marked_extents+0x178/0x364 [ 56.236266][ T5337] btrfs_sync_log+0x12f8/0x1f5c [ 56.237052][ T5337] btrfs_sync_file+0x9c0/0xebc [ 56.237804][ T5337] vfs_fsync_range+0x168/0x188 [ 56.238601][ T5337] btrfs_file_write_iter+0xa70/0xbb8 [ 56.239464][ T5337] vfs_write+0x590/0xa60 [ 56.240097][ T5337] ksys_write+0x12c/0x224 [ 56.240803][ T5337] __arm64_sys_write+0x7c/0x90 [ 56.241547][ T5337] invoke_syscall+0x98/0x2b0 [ 56.242222][ T5337] el0_svc_common+0x138/0x258 [ 56.242959][ T5337] do_el0_svc+0x58/0x13c [ 56.243585][ T5337] el0_svc+0x78/0x1d0 [ 56.244173][ T5337] el0t_64_sync_handler+0xcc/0xe4 [ 56.244944][ T5337] el0t_64_sync+0x1a0/0x1a4 [ 56.446138][ T5358] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5358) [ 56.449899][ T5358] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 56.467340][ T5358] FAULT_INJECTION: forcing a failure. [ 56.467340][ T5358] name failslab, interval 1, probability 0, space 0, times 0 [ 56.469495][ T5358] CPU: 1 PID: 5358 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.470778][ T5358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.472264][ T5358] Call trace: [ 56.472774][ T5358] dump_backtrace+0x0/0x458 [ 56.473434][ T5358] show_stack+0x2c/0x3c [ 56.474205][ T5358] __dump_stack+0x30/0x40 [ 56.474925][ T5358] dump_stack_lvl+0xf4/0x15c [ 56.475658][ T5358] dump_stack+0x1c/0x5c [ 56.476296][ T5358] should_fail+0x3bc/0x514 [ 56.476997][ T5358] __should_failslab+0xbc/0x10c [ 56.477777][ T5358] should_failslab+0x10/0x28 [ 56.478480][ T5358] slab_pre_alloc_hook+0x64/0xe8 [ 56.479374][ T5358] kmem_cache_alloc+0x94/0x3d4 [ 56.480199][ T5358] mempool_alloc_slab+0x58/0x74 [ 56.481013][ T5358] mempool_alloc+0x144/0x3f0 [ 56.481712][ T5358] bio_alloc_bioset+0x1dc/0x718 [ 56.482453][ T5358] submit_extent_page+0x424/0x11d4 [ 56.483272][ T5358] write_one_eb+0x1bc/0x55c [ 56.483985][ T5358] btree_write_cache_pages+0xef4/0x149c [ 56.484871][ T5358] btree_writepages+0x6c/0x190 [ 56.485656][ T5358] do_writepages+0x364/0x584 [ 56.486385][ T5358] filemap_fdatawrite_wbc+0x1d4/0x234 [ 56.487239][ T5358] filemap_fdatawrite_range+0xc0/0x114 [ 56.488207][ T5358] btrfs_write_marked_extents+0x1bc/0x364 [ 56.489165][ T5358] btrfs_sync_log+0x764/0x1f5c [ 56.490013][ T5358] btrfs_sync_file+0x9c0/0xebc [ 56.490856][ T5358] vfs_fsync_range+0x168/0x188 [ 56.491666][ T5358] btrfs_file_write_iter+0xa70/0xbb8 [ 56.492566][ T5358] vfs_write+0x590/0xa60 [ 56.493305][ T5358] ksys_write+0x12c/0x224 [ 56.494034][ T5358] __arm64_sys_write+0x7c/0x90 [ 56.494807][ T5358] invoke_syscall+0x98/0x2b0 [ 56.495523][ T5358] el0_svc_common+0x138/0x258 [ 56.496346][ T5358] do_el0_svc+0x58/0x13c [ 56.497065][ T5358] el0_svc+0x78/0x1d0 [ 56.497679][ T5358] el0t_64_sync_handler+0xcc/0xe4 [ 56.498428][ T5358] el0t_64_sync+0x1a0/0x1a4 [ 56.695476][ T5379] set_capacity_and_notify: 10 callbacks suppressed [ 56.695486][ T5379] loop0: detected capacity change from 0 to 32768 [ 56.698978][ T5379] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5379) [ 56.702346][ T5379] btrfs_printk: 105 callbacks suppressed [ 56.702352][ T5379] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 56.704615][ T5379] BTRFS info (device loop0): setting nodatacow, compression disabled [ 56.706017][ T5379] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 56.707852][ T5379] BTRFS info (device loop0): trying to use backup root at mount time [ 56.709258][ T5379] BTRFS info (device loop0): metadata ratio 1564 [ 56.710455][ T5379] BTRFS info (device loop0): doing ref verification [ 56.711562][ T5379] BTRFS info (device loop0): force zlib compression, level 3 [ 56.712868][ T5379] BTRFS info (device loop0): turning on flush-on-commit [ 56.714025][ T5379] BTRFS info (device loop0): using free space tree [ 56.714998][ T5379] BTRFS info (device loop0): has skinny extents [ 56.723560][ T5379] BTRFS info (device loop0): enabling ssd optimizations [ 56.729832][ T5379] FAULT_INJECTION: forcing a failure. [ 56.729832][ T5379] name failslab, interval 1, probability 0, space 0, times 0 [ 56.731812][ T5379] CPU: 1 PID: 5379 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.733255][ T5379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.734855][ T5379] Call trace: [ 56.735400][ T5379] dump_backtrace+0x0/0x458 [ 56.736145][ T5379] show_stack+0x2c/0x3c [ 56.736845][ T5379] __dump_stack+0x30/0x40 [ 56.737541][ T5379] dump_stack_lvl+0xf4/0x15c [ 56.738267][ T5379] dump_stack+0x1c/0x5c [ 56.738961][ T5379] should_fail+0x3bc/0x514 [ 56.739652][ T5379] __should_failslab+0xbc/0x10c [ 56.740403][ T5379] should_failslab+0x10/0x28 [ 56.741056][ T5379] slab_pre_alloc_hook+0x64/0xe8 [ 56.741796][ T5379] kmem_cache_alloc+0x94/0x3d4 [ 56.742535][ T5379] mempool_alloc_slab+0x58/0x74 [ 56.743299][ T5379] mempool_alloc+0x144/0x3f0 [ 56.743968][ T5379] bio_alloc_bioset+0x1dc/0x718 [ 56.744709][ T5379] submit_extent_page+0x424/0x11d4 [ 56.745518][ T5379] write_one_eb+0x1bc/0x55c [ 56.746211][ T5379] btree_write_cache_pages+0xef4/0x149c [ 56.747074][ T5379] btree_writepages+0x6c/0x190 [ 56.747837][ T5379] do_writepages+0x364/0x584 [ 56.748559][ T5379] filemap_fdatawrite_wbc+0x1d4/0x234 [ 56.749456][ T5379] filemap_fdatawrite_range+0xc0/0x114 [ 56.750337][ T5379] btrfs_write_marked_extents+0x1bc/0x364 [ 56.751266][ T5379] btrfs_sync_log+0x764/0x1f5c [ 56.751997][ T5379] btrfs_sync_file+0x9c0/0xebc [ 56.752706][ T5379] vfs_fsync_range+0x168/0x188 [ 56.753517][ T5379] btrfs_file_write_iter+0xa70/0xbb8 [ 56.754422][ T5379] vfs_write+0x590/0xa60 [ 56.755114][ T5379] ksys_write+0x12c/0x224 [ 56.755865][ T5379] __arm64_sys_write+0x7c/0x90 [ 56.756645][ T5379] invoke_syscall+0x98/0x2b0 [ 56.757395][ T5379] el0_svc_common+0x138/0x258 [ 56.758181][ T5379] do_el0_svc+0x58/0x13c [ 56.758867][ T5379] el0_svc+0x78/0x1d0 [ 56.759532][ T5379] el0t_64_sync_handler+0xcc/0xe4 [ 56.760367][ T5379] el0t_64_sync+0x1a0/0x1a4 [ 56.943014][ T5400] loop0: detected capacity change from 0 to 32768 [ 56.945803][ T5400] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5400) [ 56.958433][ T5400] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 56.960009][ T5400] BTRFS info (device loop0): setting nodatacow, compression disabled [ 56.961405][ T5400] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 56.963165][ T5400] BTRFS info (device loop0): trying to use backup root at mount time [ 56.964461][ T5400] BTRFS info (device loop0): metadata ratio 1564 [ 56.965561][ T5400] BTRFS info (device loop0): doing ref verification [ 56.966511][ T5400] BTRFS info (device loop0): force zlib compression, level 3 [ 56.967753][ T5400] BTRFS info (device loop0): turning on flush-on-commit [ 56.968767][ T5400] BTRFS info (device loop0): using free space tree [ 56.969880][ T5400] BTRFS info (device loop0): has skinny extents [ 56.979136][ T5400] BTRFS info (device loop0): enabling ssd optimizations [ 56.983924][ T5400] FAULT_INJECTION: forcing a failure. [ 56.983924][ T5400] name failslab, interval 1, probability 0, space 0, times 0 [ 56.986203][ T5400] CPU: 0 PID: 5400 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.987525][ T5400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.989098][ T5400] Call trace: [ 56.989701][ T5400] dump_backtrace+0x0/0x458 [ 56.990394][ T5400] show_stack+0x2c/0x3c [ 56.991090][ T5400] __dump_stack+0x30/0x40 [ 56.991726][ T5400] dump_stack_lvl+0xf4/0x15c [ 56.992514][ T5400] dump_stack+0x1c/0x5c [ 56.993219][ T5400] should_fail+0x3bc/0x514 [ 56.993942][ T5400] __should_failslab+0xbc/0x10c [ 56.994734][ T5400] should_failslab+0x10/0x28 [ 56.995482][ T5400] slab_pre_alloc_hook+0x64/0xe8 [ 56.996243][ T5400] kmem_cache_alloc+0x94/0x3d4 [ 56.996963][ T5400] mempool_alloc_slab+0x58/0x74 [ 56.997718][ T5400] mempool_alloc+0x144/0x3f0 [ 56.998432][ T5400] bio_alloc_bioset+0x118/0x718 [ 56.999187][ T5400] submit_extent_page+0x424/0x11d4 [ 57.000031][ T5400] write_one_eb+0x1bc/0x55c [ 57.000764][ T5400] btree_write_cache_pages+0xef4/0x149c [ 57.001629][ T5400] btree_writepages+0x6c/0x190 [ 57.002404][ T5400] do_writepages+0x364/0x584 [ 57.003118][ T5400] filemap_fdatawrite_wbc+0x1d4/0x234 [ 57.003960][ T5400] filemap_fdatawrite_range+0xc0/0x114 [ 57.004850][ T5400] btrfs_write_marked_extents+0x1bc/0x364 [ 57.005878][ T5400] btrfs_sync_log+0x12f8/0x1f5c [ 57.006607][ T5400] btrfs_sync_file+0x9c0/0xebc [ 57.007377][ T5400] vfs_fsync_range+0x168/0x188 [ 57.008104][ T5400] btrfs_file_write_iter+0xa70/0xbb8 [ 57.008937][ T5400] vfs_write+0x590/0xa60 [ 57.009616][ T5400] ksys_write+0x12c/0x224 [ 57.010311][ T5400] __arm64_sys_write+0x7c/0x90 [ 57.011056][ T5400] invoke_syscall+0x98/0x2b0 [ 57.011822][ T5400] el0_svc_common+0x138/0x258 [ 57.012516][ T5400] do_el0_svc+0x58/0x13c [ 57.013155][ T5400] el0_svc+0x78/0x1d0 [ 57.013788][ T5400] el0t_64_sync_handler+0xcc/0xe4 [ 57.014545][ T5400] el0t_64_sync+0x1a0/0x1a4 [ 57.193434][ T5421] loop0: detected capacity change from 0 to 32768 [ 57.196338][ T5421] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5421) [ 57.199734][ T5421] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 57.201226][ T5421] BTRFS info (device loop0): setting nodatacow, compression disabled [ 57.202460][ T5421] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 57.204165][ T5421] BTRFS info (device loop0): trying to use backup root at mount time [ 57.206176][ T5421] BTRFS info (device loop0): metadata ratio 1564 [ 57.207442][ T5421] BTRFS info (device loop0): doing ref verification [ 57.208568][ T5421] BTRFS info (device loop0): force zlib compression, level 3 [ 57.209928][ T5421] BTRFS info (device loop0): turning on flush-on-commit [ 57.211079][ T5421] BTRFS info (device loop0): using free space tree [ 57.212085][ T5421] BTRFS info (device loop0): has skinny extents [ 57.223179][ T5421] BTRFS info (device loop0): enabling ssd optimizations [ 57.228303][ T5421] FAULT_INJECTION: forcing a failure. [ 57.228303][ T5421] name failslab, interval 1, probability 0, space 0, times 0 [ 57.230480][ T5421] CPU: 1 PID: 5421 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.231869][ T5421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.233574][ T5421] Call trace: [ 57.234190][ T5421] dump_backtrace+0x0/0x458 [ 57.234943][ T5421] show_stack+0x2c/0x3c [ 57.235666][ T5421] __dump_stack+0x30/0x40 [ 57.236371][ T5421] dump_stack_lvl+0xf4/0x15c [ 57.237122][ T5421] dump_stack+0x1c/0x5c [ 57.237824][ T5421] should_fail+0x3bc/0x514 [ 57.238587][ T5421] __should_failslab+0xbc/0x10c [ 57.239376][ T5421] should_failslab+0x10/0x28 [ 57.240101][ T5421] slab_pre_alloc_hook+0x64/0xe8 [ 57.240868][ T5421] kmem_cache_alloc+0x94/0x3d4 [ 57.241592][ T5421] mempool_alloc_slab+0x58/0x74 [ 57.242377][ T5421] mempool_alloc+0x144/0x3f0 [ 57.243075][ T5421] bio_alloc_bioset+0x118/0x718 [ 57.243884][ T5421] submit_extent_page+0x424/0x11d4 [ 57.244708][ T5421] write_one_eb+0x1bc/0x55c [ 57.245431][ T5421] btree_write_cache_pages+0xef4/0x149c [ 57.246357][ T5421] btree_writepages+0x6c/0x190 [ 57.247123][ T5421] do_writepages+0x364/0x584 [ 57.247909][ T5421] filemap_fdatawrite_wbc+0x1d4/0x234 [ 57.248749][ T5421] filemap_fdatawrite_range+0xc0/0x114 [ 57.249651][ T5421] btrfs_write_marked_extents+0x1bc/0x364 [ 57.250501][ T5421] btrfs_sync_log+0x12f8/0x1f5c [ 57.251229][ T5421] btrfs_sync_file+0x9c0/0xebc [ 57.252051][ T5421] vfs_fsync_range+0x168/0x188 [ 57.252780][ T5421] btrfs_file_write_iter+0xa70/0xbb8 [ 57.253592][ T5421] vfs_write+0x590/0xa60 [ 57.254301][ T5421] ksys_write+0x12c/0x224 [ 57.254976][ T5421] __arm64_sys_write+0x7c/0x90 [ 57.255708][ T5421] invoke_syscall+0x98/0x2b0 [ 57.256408][ T5421] el0_svc_common+0x138/0x258 [ 57.257223][ T5421] do_el0_svc+0x58/0x13c [ 57.257971][ T5421] el0_svc+0x78/0x1d0 [ 57.258709][ T5421] el0t_64_sync_handler+0xcc/0xe4 [ 57.259471][ T5421] el0t_64_sync+0x1a0/0x1a4 [ 57.438578][ T5442] loop0: detected capacity change from 0 to 32768 [ 57.441115][ T5442] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5442) [ 57.444846][ T5442] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 57.446340][ T5442] BTRFS info (device loop0): setting nodatacow, compression disabled [ 57.447672][ T5442] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 57.449368][ T5442] BTRFS info (device loop0): trying to use backup root at mount time [ 57.450668][ T5442] BTRFS info (device loop0): metadata ratio 1564 [ 57.451577][ T5442] BTRFS info (device loop0): doing ref verification [ 57.452665][ T5442] BTRFS info (device loop0): force zlib compression, level 3 [ 57.453805][ T5442] BTRFS info (device loop0): turning on flush-on-commit [ 57.454789][ T5442] BTRFS info (device loop0): using free space tree [ 57.455947][ T5442] BTRFS info (device loop0): has skinny extents [ 57.464548][ T5442] BTRFS info (device loop0): enabling ssd optimizations [ 57.470848][ T5442] FAULT_INJECTION: forcing a failure. [ 57.470848][ T5442] name failslab, interval 1, probability 0, space 0, times 0 [ 57.473001][ T5442] CPU: 1 PID: 5442 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.474315][ T5442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.475923][ T5442] Call trace: [ 57.476432][ T5442] dump_backtrace+0x0/0x458 [ 57.477139][ T5442] show_stack+0x2c/0x3c [ 57.477769][ T5442] __dump_stack+0x30/0x40 [ 57.478460][ T5442] dump_stack_lvl+0xf4/0x15c [ 57.479213][ T5442] dump_stack+0x1c/0x5c [ 57.479858][ T5442] should_fail+0x3bc/0x514 [ 57.480581][ T5442] __should_failslab+0xbc/0x10c [ 57.481352][ T5442] should_failslab+0x10/0x28 [ 57.482048][ T5442] slab_pre_alloc_hook+0x64/0xe8 [ 57.482845][ T5442] kmem_cache_alloc+0x94/0x3d4 [ 57.483596][ T5442] alloc_extent_state+0x38/0x42c [ 57.484403][ T5442] convert_extent_bit+0x17c/0x16ec [ 57.485248][ T5442] btrfs_write_marked_extents+0x178/0x364 [ 57.486163][ T5442] btrfs_sync_log+0x12f8/0x1f5c [ 57.486957][ T5442] btrfs_sync_file+0x9c0/0xebc [ 57.487723][ T5442] vfs_fsync_range+0x168/0x188 [ 57.488468][ T5442] btrfs_file_write_iter+0xa70/0xbb8 [ 57.489296][ T5442] vfs_write+0x590/0xa60 [ 57.489946][ T5442] ksys_write+0x12c/0x224 [ 57.490646][ T5442] __arm64_sys_write+0x7c/0x90 [ 57.491526][ T5442] invoke_syscall+0x98/0x2b0 [ 57.492347][ T5442] el0_svc_common+0x138/0x258 [ 57.493111][ T5442] do_el0_svc+0x58/0x13c [ 57.493837][ T5442] el0_svc+0x78/0x1d0 [ 57.494492][ T5442] el0t_64_sync_handler+0xcc/0xe4 [ 57.495339][ T5442] el0t_64_sync+0x1a0/0x1a4 [ 57.712038][ T5463] loop0: detected capacity change from 0 to 32768 [ 57.714504][ T5463] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5463) [ 57.717920][ T5463] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 57.719401][ T5463] BTRFS info (device loop0): setting nodatacow, compression disabled [ 57.720744][ T5463] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 57.722614][ T5463] BTRFS info (device loop0): trying to use backup root at mount time [ 57.723918][ T5463] BTRFS info (device loop0): metadata ratio 1564 [ 57.724919][ T5463] BTRFS info (device loop0): doing ref verification [ 57.726122][ T5463] BTRFS info (device loop0): force zlib compression, level 3 [ 57.727380][ T5463] BTRFS info (device loop0): turning on flush-on-commit [ 57.728602][ T5463] BTRFS info (device loop0): using free space tree [ 57.729553][ T5463] BTRFS info (device loop0): has skinny extents [ 57.737925][ T5463] BTRFS info (device loop0): enabling ssd optimizations [ 57.742457][ T5463] FAULT_INJECTION: forcing a failure. [ 57.742457][ T5463] name failslab, interval 1, probability 0, space 0, times 0 [ 57.744605][ T5463] CPU: 0 PID: 5463 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.746046][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.747663][ T5463] Call trace: [ 57.748170][ T5463] dump_backtrace+0x0/0x458 [ 57.748880][ T5463] show_stack+0x2c/0x3c [ 57.749549][ T5463] __dump_stack+0x30/0x40 [ 57.750224][ T5463] dump_stack_lvl+0xf4/0x15c [ 57.750883][ T5463] dump_stack+0x1c/0x5c [ 57.751542][ T5463] should_fail+0x3bc/0x514 [ 57.752272][ T5463] __should_failslab+0xbc/0x10c [ 57.753056][ T5463] should_failslab+0x10/0x28 [ 57.753802][ T5463] slab_pre_alloc_hook+0x64/0xe8 [ 57.754593][ T5463] kmem_cache_alloc+0x94/0x3d4 [ 57.755311][ T5463] alloc_extent_state+0x38/0x42c [ 57.756113][ T5463] convert_extent_bit+0x17c/0x16ec [ 57.756906][ T5463] btrfs_write_marked_extents+0x178/0x364 [ 57.757754][ T5463] btrfs_sync_log+0x12f8/0x1f5c [ 57.758555][ T5463] btrfs_sync_file+0x9c0/0xebc [ 57.759302][ T5463] vfs_fsync_range+0x168/0x188 [ 57.760044][ T5463] btrfs_file_write_iter+0xa70/0xbb8 [ 57.760952][ T5463] vfs_write+0x590/0xa60 [ 57.761677][ T5463] ksys_write+0x12c/0x224 [ 57.762383][ T5463] __arm64_sys_write+0x7c/0x90 [ 57.763145][ T5463] invoke_syscall+0x98/0x2b0 [ 57.763893][ T5463] el0_svc_common+0x138/0x258 [ 57.764702][ T5463] do_el0_svc+0x58/0x13c [ 57.765357][ T5463] el0_svc+0x78/0x1d0 [ 57.766045][ T5463] el0t_64_sync_handler+0xcc/0xe4 [ 57.766936][ T5463] el0t_64_sync+0x1a0/0x1a4