Warning: Permanently added '10.128.0.41' (ED25519) to the list of known hosts. 1970/01/01 00:00:47 ignoring optional flag "type"="gce" 1970/01/01 00:00:47 parsed 1 programs [ 48.111102][ T4242] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:48 executed programs: 0 [ 48.181019][ T4248] chnl_net:caif_netlink_parms(): no params data found [ 48.202331][ T4248] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.203644][ T4248] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.205247][ T4248] device bridge_slave_0 entered promiscuous mode [ 48.207496][ T4248] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.208726][ T4248] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.210476][ T4248] device bridge_slave_1 entered promiscuous mode [ 48.220103][ T4248] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.222766][ T4248] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.231701][ T4248] team0: Port device team_slave_0 added [ 48.234373][ T4248] team0: Port device team_slave_1 added [ 48.242842][ T4248] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.244029][ T4248] 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. [ 48.247948][ T4248] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.250725][ T4248] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.251843][ T4248] 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. [ 48.256018][ T4248] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.300109][ T4248] device hsr_slave_0 entered promiscuous mode [ 48.338988][ T4248] device hsr_slave_1 entered promiscuous mode [ 48.908541][ T4248] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.950117][ T4248] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.990469][ T4248] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 49.040173][ T4248] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 49.106346][ T4248] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.107756][ T4248] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.109261][ T4248] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.110497][ T4248] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.128892][ T4248] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.133778][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.135588][ T1604] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.137393][ T1604] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.140420][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 49.145104][ T4248] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.158008][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.161266][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.162513][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.164108][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.165607][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.166715][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.168711][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.171359][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.173071][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.175690][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.178308][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.181630][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.184241][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.225717][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.227121][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.231828][ T4248] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.242545][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 49.244152][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.253955][ T4248] device veth0_vlan entered promiscuous mode [ 49.257157][ T4248] device veth1_vlan entered promiscuous mode [ 49.259279][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 49.260947][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.262985][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.264663][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.266475][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.275565][ T4248] device veth0_macvtap entered promiscuous mode [ 49.278033][ T4248] device veth1_macvtap entered promiscuous mode [ 49.280291][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.281971][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.283580][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.285166][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 49.286722][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.292186][ T4248] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.293367][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 49.295014][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.297855][ T4248] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.300220][ T4248] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.301464][ T4248] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.302754][ T4248] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.304172][ T4248] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.314511][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.316197][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.452016][ T4366] loop0: detected capacity change from 0 to 32768 [ 49.456709][ T4366] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4366) [ 49.464605][ T4366] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 49.466390][ T4366] BTRFS info (device loop0): force clearing of disk cache [ 49.467824][ T4366] BTRFS info (device loop0): setting nodatasum [ 49.469472][ T4366] BTRFS info (device loop0): disabling free space tree [ 49.470773][ T4366] BTRFS info (device loop0): has skinny extents [ 49.529871][ T4366] BTRFS info (device loop0): enabling ssd optimizations [ 49.532645][ T4366] BTRFS info (device loop0): clearing free space tree [ 49.533908][ T4366] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 49.535437][ T4366] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 49.557526][ T4366] BTRFS info (device loop0): checking UUID tree [ 49.563921][ T4366] FAULT_INJECTION: forcing a failure. [ 49.563921][ T4366] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 49.566287][ T4366] CPU: 1 PID: 4366 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.567579][ T4366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 49.569289][ T4366] Call trace: [ 49.569810][ T4366] dump_backtrace+0x0/0x458 [ 49.570504][ T4366] show_stack+0x2c/0x3c [ 49.571277][ T4366] __dump_stack+0x30/0x40 [ 49.572067][ T4366] dump_stack_lvl+0xf4/0x15c [ 49.572892][ T4366] dump_stack+0x1c/0x5c [ 49.573600][ T4366] should_fail+0x3bc/0x514 [ 49.574355][ T4366] should_fail_alloc_page+0x74/0xa8 [ 49.575242][ T4366] prepare_alloc_pages+0x160/0x45c [ 49.576072][ T4366] __alloc_pages+0x108/0x470 [ 49.576867][ T4366] alloc_pages+0x34c/0x5c0 [ 49.577595][ T4366] stack_depot_save+0x348/0x494 [ 49.578436][ T4366] kasan_save_stack+0x54/0x68 [ 49.579192][ T4366] kasan_record_aux_stack+0xcc/0x114 [ 49.580275][ T4366] insert_work+0x64/0x388 [ 49.580946][ T4366] __queue_work+0xb30/0x104c [ 49.581674][ T4366] mod_delayed_work_on+0x1bc/0x2cc [ 49.582548][ T4366] wb_queue_work+0x2e4/0x588 [ 49.583301][ T4366] bdi_split_work_to_wbs+0x450/0x77c [ 49.584196][ T4366] __writeback_inodes_sb_nr+0x1ac/0x224 [ 49.585113][ T4366] writeback_inodes_sb+0x78/0x8c [ 49.585925][ T4366] sync_filesystem+0xa0/0x218 [ 49.586656][ T4366] btrfs_remount+0x198/0x12b0 [ 49.587467][ T4366] legacy_reconfigure+0xf8/0x110 [ 49.588253][ T4366] reconfigure_super+0x1d4/0x6f4 [ 49.589161][ T4366] path_mount+0xc88/0x1008 [ 49.589997][ T4366] __arm64_sys_mount+0x514/0x5f0 [ 49.590852][ T4366] invoke_syscall+0x98/0x2b0 [ 49.591643][ T4366] el0_svc_common+0x138/0x258 [ 49.592465][ T4366] do_el0_svc+0x58/0x13c [ 49.593205][ T4366] el0_svc+0x78/0x1d0 [ 49.593850][ T4366] el0t_64_sync_handler+0xcc/0xe4 [ 49.594744][ T4366] el0t_64_sync+0x1a0/0x1a4 [ 49.626211][ T4366] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 49.626211][ T4366] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 49.884435][ T4444] loop0: detected capacity change from 0 to 32768 [ 49.888287][ T4444] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4444) [ 49.894910][ T4444] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 49.896826][ T4444] BTRFS info (device loop0): force clearing of disk cache [ 49.898096][ T4444] BTRFS info (device loop0): setting nodatasum [ 49.899263][ T4444] BTRFS info (device loop0): disabling free space tree [ 49.900518][ T4444] BTRFS info (device loop0): has skinny extents [ 49.967829][ T4444] BTRFS info (device loop0): enabling ssd optimizations [ 49.970959][ T4444] BTRFS info (device loop0): clearing free space tree [ 49.972230][ T4444] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 49.973930][ T4444] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 49.978173][ T4444] BTRFS info (device loop0): checking UUID tree [ 49.987447][ T4444] FAULT_INJECTION: forcing a failure. [ 49.987447][ T4444] name failslab, interval 1, probability 0, space 0, times 1 [ 49.990063][ T4444] CPU: 1 PID: 4444 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.991432][ T4444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 49.993166][ T4444] Call trace: [ 49.993721][ T4444] dump_backtrace+0x0/0x458 [ 49.994561][ T4444] show_stack+0x2c/0x3c [ 49.995299][ T4444] __dump_stack+0x30/0x40 [ 49.996028][ T4444] dump_stack_lvl+0xf4/0x15c [ 49.996743][ T4444] dump_stack+0x1c/0x5c [ 49.997436][ T4444] should_fail+0x3bc/0x514 [ 49.998178][ T4444] __should_failslab+0xbc/0x10c [ 49.998976][ T4444] should_failslab+0x10/0x28 [ 49.999760][ T4444] slab_pre_alloc_hook+0x64/0xe8 [ 50.000585][ T4444] kmem_cache_alloc+0x94/0x3d4 [ 50.001378][ T4444] start_transaction+0x4d0/0x13ec [ 50.002196][ T4444] btrfs_attach_transaction_barrier+0x30/0xac [ 50.003179][ T4444] btrfs_sync_fs+0x13c/0xb24 [ 50.003911][ T4444] sync_filesystem+0x1a0/0x218 [ 50.004704][ T4444] btrfs_remount+0x198/0x12b0 [ 50.005576][ T4444] legacy_reconfigure+0xf8/0x110 [ 50.006419][ T4444] reconfigure_super+0x1d4/0x6f4 [ 50.007210][ T4444] path_mount+0xc88/0x1008 [ 50.007890][ T4444] __arm64_sys_mount+0x514/0x5f0 [ 50.008688][ T4444] invoke_syscall+0x98/0x2b0 [ 50.009493][ T4444] el0_svc_common+0x138/0x258 [ 50.010328][ T4444] do_el0_svc+0x58/0x13c [ 50.011017][ T4444] el0_svc+0x78/0x1d0 [ 50.011670][ T4444] el0t_64_sync_handler+0xcc/0xe4 [ 50.012592][ T4444] el0t_64_sync+0x1a0/0x1a4 [ 50.033371][ T4444] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 50.033371][ T4444] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 50.169623][ T4506] Bluetooth: hci0: command 0x0409 tx timeout [ 50.272058][ T4512] loop0: detected capacity change from 0 to 32768 [ 50.275263][ T4512] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4512) [ 50.279789][ T4512] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 50.282143][ T4512] BTRFS info (device loop0): force clearing of disk cache [ 50.283470][ T4512] BTRFS info (device loop0): setting nodatasum [ 50.284619][ T4512] BTRFS info (device loop0): disabling free space tree [ 50.286045][ T4512] BTRFS info (device loop0): has skinny extents [ 50.303669][ T4512] BTRFS info (device loop0): enabling ssd optimizations [ 50.309828][ T4512] BTRFS info (device loop0): clearing free space tree [ 50.311269][ T4512] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 50.312972][ T4512] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 50.340769][ T4512] BTRFS info (device loop0): checking UUID tree [ 50.343980][ T4512] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 50.343980][ T4512] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 50.352082][ T4512] FAULT_INJECTION: forcing a failure. [ 50.352082][ T4512] name fail_usercopy, interval 1, probability 0, space 0, times 1 [ 50.355858][ T4512] CPU: 0 PID: 4512 Comm: syz-executor.0 Not tainted syzkaller #0 [ 50.357124][ T4512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.358788][ T4512] Call trace: [ 50.359309][ T4512] dump_backtrace+0x0/0x458 [ 50.360025][ T4512] show_stack+0x2c/0x3c [ 50.360661][ T4512] __dump_stack+0x30/0x40 [ 50.361390][ T4512] dump_stack_lvl+0xf4/0x15c [ 50.362133][ T4512] dump_stack+0x1c/0x5c [ 50.362797][ T4512] should_fail+0x3bc/0x514 [ 50.363496][ T4512] should_fail_usercopy+0x20/0x30 [ 50.364258][ T4512] kstrtouint_from_user+0xe0/0x30c [ 50.365034][ T4512] proc_fail_nth_write+0x9c/0x244 [ 50.365864][ T4512] vfs_write+0x284/0xa60 [ 50.366560][ T4512] ksys_write+0x12c/0x224 [ 50.367216][ T4512] __arm64_sys_write+0x7c/0x90 [ 50.367956][ T4512] invoke_syscall+0x98/0x2b0 [ 50.368737][ T4512] el0_svc_common+0x138/0x258 [ 50.369547][ T4512] do_el0_svc+0x58/0x13c [ 50.370219][ T4512] el0_svc+0x78/0x1d0 [ 50.370878][ T4512] el0t_64_sync_handler+0xcc/0xe4 [ 50.371708][ T4512] el0t_64_sync+0x1a0/0x1a4 [ 50.578360][ T4564] loop0: detected capacity change from 0 to 32768 [ 50.582945][ T4564] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4564) [ 50.586468][ T4564] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 50.587840][ T4564] BTRFS info (device loop0): force clearing of disk cache [ 50.589976][ T4564] BTRFS info (device loop0): setting nodatasum [ 50.590985][ T4564] BTRFS info (device loop0): disabling free space tree [ 50.592060][ T4564] BTRFS info (device loop0): has skinny extents [ 50.641868][ T4564] BTRFS info (device loop0): enabling ssd optimizations [ 50.643678][ T4564] BTRFS info (device loop0): clearing free space tree [ 50.644844][ T4564] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 50.646524][ T4564] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 50.654169][ T4564] BTRFS info (device loop0): checking UUID tree [ 50.660471][ T4564] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 50.660471][ T4564] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 50.666026][ T4564] FAULT_INJECTION: forcing a failure. [ 50.666026][ T4564] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 50.668306][ T4564] CPU: 0 PID: 4564 Comm: syz-executor.0 Not tainted syzkaller #0 [ 50.669600][ T4564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.671288][ T4564] Call trace: [ 50.671766][ T4564] dump_backtrace+0x0/0x458 [ 50.672453][ T4564] show_stack+0x2c/0x3c [ 50.673063][ T4564] __dump_stack+0x30/0x40 [ 50.673762][ T4564] dump_stack_lvl+0xf4/0x15c [ 50.674502][ T4564] dump_stack+0x1c/0x5c [ 50.675170][ T4564] should_fail+0x3bc/0x514 [ 50.675894][ T4564] should_fail_usercopy+0x20/0x30 [ 50.676757][ T4564] kstrtouint_from_user+0xe0/0x30c [ 50.677639][ T4564] proc_fail_nth_write+0x9c/0x244 [ 50.678465][ T4564] vfs_write+0x284/0xa60 [ 50.679126][ T4564] ksys_write+0x12c/0x224 [ 50.679905][ T4564] __arm64_sys_write+0x7c/0x90 [ 50.680663][ T4564] invoke_syscall+0x98/0x2b0 [ 50.681430][ T4564] el0_svc_common+0x138/0x258 [ 50.682183][ T4564] do_el0_svc+0x58/0x13c [ 50.682894][ T4564] el0_svc+0x78/0x1d0 [ 50.683605][ T4564] el0t_64_sync_handler+0xcc/0xe4 [ 50.684569][ T4564] el0t_64_sync+0x1a0/0x1a4 [ 50.891085][ T4620] loop0: detected capacity change from 0 to 32768 [ 50.896724][ T4620] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4620) [ 50.903450][ T4620] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 50.905382][ T4620] BTRFS info (device loop0): force clearing of disk cache [ 50.906708][ T4620] BTRFS info (device loop0): setting nodatasum [ 50.907718][ T4620] BTRFS info (device loop0): disabling free space tree [ 50.909094][ T4620] BTRFS info (device loop0): has skinny extents [ 50.923660][ T4620] BTRFS info (device loop0): enabling ssd optimizations [ 50.925636][ T4620] BTRFS info (device loop0): clearing free space tree [ 50.927008][ T4620] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 50.928891][ T4620] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 50.932908][ T4620] BTRFS info (device loop0): checking UUID tree [ 50.947828][ T4620] FAULT_INJECTION: forcing a failure. [ 50.947828][ T4620] name failslab, interval 1, probability 0, space 0, times 0 [ 50.951793][ T4620] CPU: 1 PID: 4620 Comm: syz-executor.0 Not tainted syzkaller #0 [ 50.953031][ T4620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.954753][ T4620] Call trace: [ 50.955307][ T4620] dump_backtrace+0x0/0x458 [ 50.956127][ T4620] show_stack+0x2c/0x3c [ 50.956844][ T4620] __dump_stack+0x30/0x40 [ 50.957625][ T4620] dump_stack_lvl+0xf4/0x15c [ 50.958397][ T4620] dump_stack+0x1c/0x5c [ 50.959120][ T4620] should_fail+0x3bc/0x514 [ 50.959832][ T4620] __should_failslab+0xbc/0x10c [ 50.960704][ T4620] should_failslab+0x10/0x28 [ 50.961537][ T4620] slab_pre_alloc_hook+0x64/0xe8 [ 50.962357][ T4620] kmem_cache_alloc_trace+0x98/0x3ec [ 50.963200][ T4620] bdi_split_work_to_wbs+0x3f4/0x77c [ 50.964086][ T4620] __writeback_inodes_sb_nr+0x1ac/0x224 [ 50.965016][ T4620] writeback_inodes_sb+0x78/0x8c [ 50.965842][ T4620] sync_filesystem+0xa0/0x218 [ 50.966609][ T4620] btrfs_remount+0x198/0x12b0 [ 50.967481][ T4620] legacy_reconfigure+0xf8/0x110 [ 50.968392][ T4620] reconfigure_super+0x1d4/0x6f4 [ 50.969230][ T4620] path_mount+0xc88/0x1008 [ 50.970025][ T4620] __arm64_sys_mount+0x514/0x5f0 [ 50.970936][ T4620] invoke_syscall+0x98/0x2b0 [ 50.971759][ T4620] el0_svc_common+0x138/0x258 [ 50.972539][ T4620] do_el0_svc+0x58/0x13c [ 50.973228][ T4620] el0_svc+0x78/0x1d0 [ 50.973902][ T4620] el0t_64_sync_handler+0xcc/0xe4 [ 50.974812][ T4620] el0t_64_sync+0x1a0/0x1a4 [ 50.987188][ T4620] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 50.987188][ T4620] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 51.180997][ T4661] loop0: detected capacity change from 0 to 32768 [ 51.183696][ T4661] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4661) [ 51.188738][ T4661] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 51.190507][ T4661] BTRFS info (device loop0): force clearing of disk cache [ 51.191793][ T4661] BTRFS info (device loop0): setting nodatasum [ 51.192955][ T4661] BTRFS info (device loop0): disabling free space tree [ 51.194220][ T4661] BTRFS info (device loop0): has skinny extents [ 51.203303][ T4661] BTRFS info (device loop0): enabling ssd optimizations [ 51.205041][ T4661] BTRFS info (device loop0): clearing free space tree [ 51.206204][ T4661] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 51.207988][ T4661] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 51.214001][ T4661] BTRFS info (device loop0): checking UUID tree [ 51.216631][ T4661] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 51.216631][ T4661] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 51.222200][ T4661] FAULT_INJECTION: forcing a failure. [ 51.222200][ T4661] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 51.224560][ T4661] CPU: 0 PID: 4661 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.225819][ T4661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.227529][ T4661] Call trace: [ 51.228091][ T4661] dump_backtrace+0x0/0x458 [ 51.228904][ T4661] show_stack+0x2c/0x3c [ 51.229628][ T4661] __dump_stack+0x30/0x40 [ 51.230357][ T4661] dump_stack_lvl+0xf4/0x15c [ 51.231080][ T4661] dump_stack+0x1c/0x5c [ 51.231751][ T4661] should_fail+0x3bc/0x514 [ 51.232487][ T4661] should_fail_usercopy+0x20/0x30 [ 51.233321][ T4661] kstrtouint_from_user+0xe0/0x30c [ 51.234153][ T4661] proc_fail_nth_write+0x9c/0x244 [ 51.234940][ T4661] vfs_write+0x284/0xa60 [ 51.235602][ T4661] ksys_write+0x12c/0x224 [ 51.236271][ T4661] __arm64_sys_write+0x7c/0x90 [ 51.236987][ T4661] invoke_syscall+0x98/0x2b0 [ 51.237719][ T4661] el0_svc_common+0x138/0x258 [ 51.238481][ T4661] do_el0_svc+0x58/0x13c [ 51.239117][ T4661] el0_svc+0x78/0x1d0 [ 51.239740][ T4661] el0t_64_sync_handler+0xcc/0xe4 [ 51.240503][ T4661] el0t_64_sync+0x1a0/0x1a4 [ 51.427114][ T4688] loop0: detected capacity change from 0 to 32768 [ 51.431923][ T4688] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4688) [ 51.437407][ T4688] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 51.439060][ T4688] BTRFS info (device loop0): force clearing of disk cache [ 51.440476][ T4688] BTRFS info (device loop0): setting nodatasum [ 51.441528][ T4688] BTRFS info (device loop0): disabling free space tree [ 51.442597][ T4688] BTRFS info (device loop0): has skinny extents [ 51.451289][ T4688] BTRFS info (device loop0): enabling ssd optimizations [ 51.452909][ T4688] BTRFS info (device loop0): clearing free space tree [ 51.454057][ T4688] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 51.455717][ T4688] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 51.459720][ T4688] BTRFS info (device loop0): checking UUID tree [ 51.462817][ T4688] FAULT_INJECTION: forcing a failure. [ 51.462817][ T4688] name failslab, interval 1, probability 0, space 0, times 0 [ 51.465057][ T4688] CPU: 0 PID: 4688 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.466270][ T4688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.468005][ T4688] Call trace: [ 51.468534][ T4688] dump_backtrace+0x0/0x458 [ 51.469327][ T4688] show_stack+0x2c/0x3c [ 51.470116][ T4688] __dump_stack+0x30/0x40 [ 51.470881][ T4688] dump_stack_lvl+0xf4/0x15c [ 51.471700][ T4688] dump_stack+0x1c/0x5c [ 51.472416][ T4688] should_fail+0x3bc/0x514 [ 51.473159][ T4688] __should_failslab+0xbc/0x10c [ 51.474044][ T4688] should_failslab+0x10/0x28 [ 51.474832][ T4688] slab_pre_alloc_hook+0x64/0xe8 [ 51.475679][ T4688] kmem_cache_alloc+0x94/0x3d4 [ 51.476472][ T4688] btrfs_alloc_path+0x5c/0x68 [ 51.477214][ T4688] __btrfs_run_delayed_items+0x88/0x46c [ 51.478228][ T4688] btrfs_run_delayed_items+0x24/0x34 [ 51.479017][ T4688] btrfs_commit_transaction+0x7e0/0x3078 [ 51.479905][ T4688] btrfs_sync_fs+0x628/0xb24 [ 51.480657][ T4688] sync_filesystem+0x1a0/0x218 [ 51.481552][ T4688] btrfs_remount+0x198/0x12b0 [ 51.482366][ T4688] legacy_reconfigure+0xf8/0x110 [ 51.483226][ T4688] reconfigure_super+0x1d4/0x6f4 [ 51.484105][ T4688] path_mount+0xc88/0x1008 [ 51.484803][ T4688] __arm64_sys_mount+0x514/0x5f0 [ 51.485605][ T4688] invoke_syscall+0x98/0x2b0 [ 51.486400][ T4688] el0_svc_common+0x138/0x258 [ 51.487260][ T4688] do_el0_svc+0x58/0x13c [ 51.487989][ T4688] el0_svc+0x78/0x1d0 [ 51.488740][ T4688] el0t_64_sync_handler+0xcc/0xe4 [ 51.489574][ T4688] el0t_64_sync+0x1a0/0x1a4 [ 51.492173][ T4688] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 51.493546][ T4688] ------------[ cut here ]------------ [ 51.494527][ T4688] WARNING: CPU: 0 PID: 4688 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 51.496321][ T4688] Modules linked in: [ 51.496941][ T4688] CPU: 0 PID: 4688 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.498110][ T4688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.499870][ T4688] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.501208][ T4688] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 51.502295][ T4688] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 51.503361][ T4688] sp : ffff80001f8f75a0 [ 51.504150][ T4688] x29: ffff80001f8f77e0 x28: ffff700003f1eecc x27: 1fffe0001b248c65 [ 51.505541][ T4688] x26: ffff0000c1df6000 x25: 00000000fffffff4 x24: ffff0000d9246328 [ 51.506848][ T4688] x23: ffff0000de5d7f78 x22: ffff0000de5d7f20 x21: ffff0000d03a8000 [ 51.508161][ T4688] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 51.509535][ T4688] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 51.510869][ T4688] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 51.512271][ T4688] x11: 0000000000000000 x10: 0000000000000000 x9 : 633d412a011e1700 [ 51.513488][ T4688] x8 : 633d412a011e1700 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.514798][ T4688] x5 : ffff80001f8f6eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 51.516053][ T4688] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.517384][ T4688] Call trace: [ 51.517888][ T4688] btrfs_commit_transaction+0x1ddc/0x3078 [ 51.518813][ T4688] btrfs_sync_fs+0x628/0xb24 [ 51.519594][ T4688] sync_filesystem+0x1a0/0x218 [ 51.520429][ T4688] btrfs_remount+0x198/0x12b0 [ 51.521268][ T4688] legacy_reconfigure+0xf8/0x110 [ 51.522155][ T4688] reconfigure_super+0x1d4/0x6f4 [ 51.522950][ T4688] path_mount+0xc88/0x1008 [ 51.523752][ T4688] __arm64_sys_mount+0x514/0x5f0 [ 51.524622][ T4688] invoke_syscall+0x98/0x2b0 [ 51.525422][ T4688] el0_svc_common+0x138/0x258 [ 51.526220][ T4688] do_el0_svc+0x58/0x13c [ 51.526916][ T4688] el0_svc+0x78/0x1d0 [ 51.527628][ T4688] el0t_64_sync_handler+0xcc/0xe4 [ 51.528399][ T4688] el0t_64_sync+0x1a0/0x1a4 [ 51.529095][ T4688] irq event stamp: 83284 [ 51.529814][ T4688] hardirqs last enabled at (83283): [] __up_console_sem+0xb4/0xfc [ 51.531506][ T4688] hardirqs last disabled at (83284): [] el1_dbg+0x24/0x80 [ 51.532856][ T4688] softirqs last enabled at (83254): [] handle_softirqs+0xa40/0xbe4 [ 51.534435][ T4688] softirqs last disabled at (83233): [] __irq_exit_rcu+0x240/0x43c [ 51.535987][ T4688] ---[ end trace 1b50fc88e049685a ]--- [ 51.537948][ T4688] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 51.539619][ T4688] BTRFS info (device loop0): forced readonly [ 51.540627][ T4688] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 51.540627][ T4688] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 51.749744][ T4710] loop0: detected capacity change from 0 to 32768 [ 51.754152][ T4710] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4710) [ 51.762255][ T4710] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 51.763801][ T4710] BTRFS info (device loop0): force clearing of disk cache [ 51.764882][ T4710] BTRFS info (device loop0): setting nodatasum [ 51.765881][ T4710] BTRFS info (device loop0): disabling free space tree [ 51.766994][ T4710] BTRFS info (device loop0): has skinny extents [ 51.776413][ T4710] BTRFS info (device loop0): enabling ssd optimizations [ 51.778086][ T4710] BTRFS info (device loop0): clearing free space tree [ 51.779506][ T4710] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 51.781036][ T4710] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 51.784942][ T4710] BTRFS info (device loop0): checking UUID tree [ 51.787736][ T4710] FAULT_INJECTION: forcing a failure. [ 51.787736][ T4710] name failslab, interval 1, probability 0, space 0, times 0 [ 51.791009][ T4710] CPU: 0 PID: 4710 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.792518][ T4710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.794283][ T4710] Call trace: [ 51.794829][ T4710] dump_backtrace+0x0/0x458 [ 51.795602][ T4710] show_stack+0x2c/0x3c [ 51.796264][ T4710] __dump_stack+0x30/0x40 [ 51.797014][ T4710] dump_stack_lvl+0xf4/0x15c [ 51.797730][ T4710] dump_stack+0x1c/0x5c [ 51.798402][ T4710] should_fail+0x3bc/0x514 [ 51.799120][ T4710] __should_failslab+0xbc/0x10c [ 51.799871][ T4710] should_failslab+0x10/0x28 [ 51.800611][ T4710] slab_pre_alloc_hook+0x64/0xe8 [ 51.801425][ T4710] kmem_cache_alloc+0x94/0x3d4 [ 51.802265][ T4710] btrfs_alloc_path+0x5c/0x68 [ 51.803041][ T4710] __btrfs_run_delayed_items+0x88/0x46c [ 51.803974][ T4710] btrfs_run_delayed_items+0x24/0x34 [ 51.804913][ T4710] btrfs_commit_transaction+0x7e0/0x3078 [ 51.805896][ T4710] btrfs_sync_fs+0x628/0xb24 [ 51.806673][ T4710] sync_filesystem+0x1a0/0x218 [ 51.807482][ T4710] btrfs_remount+0x198/0x12b0 [ 51.808204][ T4710] legacy_reconfigure+0xf8/0x110 [ 51.809014][ T4710] reconfigure_super+0x1d4/0x6f4 [ 51.809892][ T4710] path_mount+0xc88/0x1008 [ 51.810624][ T4710] __arm64_sys_mount+0x514/0x5f0 [ 51.811528][ T4710] invoke_syscall+0x98/0x2b0 [ 51.812291][ T4710] el0_svc_common+0x138/0x258 [ 51.813091][ T4710] do_el0_svc+0x58/0x13c [ 51.813874][ T4710] el0_svc+0x78/0x1d0 [ 51.814633][ T4710] el0t_64_sync_handler+0xcc/0xe4 [ 51.815436][ T4710] el0t_64_sync+0x1a0/0x1a4 [ 51.817670][ T4710] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 51.819096][ T4710] ------------[ cut here ]------------ [ 51.820044][ T4710] WARNING: CPU: 0 PID: 4710 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 51.821660][ T4710] Modules linked in: [ 51.822245][ T4710] CPU: 0 PID: 4710 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.823663][ T4710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.825148][ T4710] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.826338][ T4710] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 51.827252][ T4710] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 51.828185][ T4710] sp : ffff80001f8e75a0 [ 51.828876][ T4710] x29: ffff80001f8e77e0 x28: ffff700003f1cecc x27: 1fffe00019914595 [ 51.830267][ T4710] x26: ffff0000d8eb2000 x25: 00000000fffffff4 x24: ffff0000cc8a2ca8 [ 51.831611][ T4710] x23: ffff0000ced411b8 x22: ffff0000ced41160 x21: ffff0000cf840000 [ 51.832957][ T4710] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 51.834290][ T4710] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 51.835725][ T4710] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 51.837145][ T4710] x11: 0000000000000000 x10: 0000000000000000 x9 : 2da2c18e52e76000 [ 51.838532][ T4710] x8 : 2da2c18e52e76000 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.839856][ T4710] x5 : ffff80001f8e6eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 51.841102][ T4710] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.842473][ T4710] Call trace: [ 51.843035][ T4710] btrfs_commit_transaction+0x1ddc/0x3078 [ 51.843999][ T4710] btrfs_sync_fs+0x628/0xb24 [ 51.844733][ T4710] sync_filesystem+0x1a0/0x218 [ 51.845454][ T4710] btrfs_remount+0x198/0x12b0 [ 51.846188][ T4710] legacy_reconfigure+0xf8/0x110 [ 51.846978][ T4710] reconfigure_super+0x1d4/0x6f4 [ 51.847731][ T4710] path_mount+0xc88/0x1008 [ 51.848434][ T4710] __arm64_sys_mount+0x514/0x5f0 [ 51.849199][ T4710] invoke_syscall+0x98/0x2b0 [ 51.849922][ T4710] el0_svc_common+0x138/0x258 [ 51.850715][ T4710] do_el0_svc+0x58/0x13c [ 51.851380][ T4710] el0_svc+0x78/0x1d0 [ 51.852090][ T4710] el0t_64_sync_handler+0xcc/0xe4 [ 51.852977][ T4710] el0t_64_sync+0x1a0/0x1a4 [ 51.853722][ T4710] irq event stamp: 80126 [ 51.854469][ T4710] hardirqs last enabled at (80125): [] __up_console_sem+0xb4/0xfc [ 51.856126][ T4710] hardirqs last disabled at (80126): [] el1_dbg+0x24/0x80 [ 51.857619][ T4710] softirqs last enabled at (80108): [] handle_softirqs+0xa40/0xbe4 [ 51.859291][ T4710] softirqs last disabled at (80045): [] __irq_exit_rcu+0x240/0x43c [ 51.860900][ T4710] ---[ end trace 1b50fc88e049685b ]--- [ 51.862285][ T4710] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 51.863784][ T4710] BTRFS info (device loop0): forced readonly [ 51.864834][ T4710] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 51.864834][ T4710] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 52.049325][ T4732] loop0: detected capacity change from 0 to 32768 [ 52.052211][ T4732] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4732) [ 52.055715][ T4732] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 52.057399][ T4732] BTRFS info (device loop0): force clearing of disk cache [ 52.058736][ T4732] BTRFS info (device loop0): setting nodatasum [ 52.060411][ T4732] BTRFS info (device loop0): disabling free space tree [ 52.061608][ T4732] BTRFS info (device loop0): has skinny extents [ 52.070258][ T4732] BTRFS info (device loop0): enabling ssd optimizations [ 52.071917][ T4732] BTRFS info (device loop0): clearing free space tree [ 52.073235][ T4732] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 52.074933][ T4732] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 52.078882][ T4732] BTRFS info (device loop0): checking UUID tree [ 52.081713][ T4732] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 52.081713][ T4732] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 52.087189][ T4732] FAULT_INJECTION: forcing a failure. [ 52.087189][ T4732] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 52.091183][ T4732] CPU: 1 PID: 4732 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.092655][ T4732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.094360][ T4732] Call trace: [ 52.095010][ T4732] dump_backtrace+0x0/0x458 [ 52.095766][ T4732] show_stack+0x2c/0x3c [ 52.096464][ T4732] __dump_stack+0x30/0x40 [ 52.097218][ T4732] dump_stack_lvl+0xf4/0x15c [ 52.097937][ T4732] dump_stack+0x1c/0x5c [ 52.098645][ T4732] should_fail+0x3bc/0x514 [ 52.099425][ T4732] should_fail_usercopy+0x20/0x30 [ 52.100257][ T4732] simple_read_from_buffer+0xd0/0x264 [ 52.101127][ T4732] proc_fail_nth_read+0x1a4/0x24c [ 52.101915][ T4732] vfs_read+0x27c/0xa44 [ 52.102587][ T4732] ksys_read+0x12c/0x224 [ 52.103284][ T4732] __arm64_sys_read+0x7c/0x90 [ 52.104021][ T4732] invoke_syscall+0x98/0x2b0 [ 52.104749][ T4732] el0_svc_common+0x138/0x258 [ 52.105476][ T4732] do_el0_svc+0x58/0x13c [ 52.106197][ T4732] el0_svc+0x78/0x1d0 [ 52.106845][ T4732] el0t_64_sync_handler+0xcc/0xe4 [ 52.107651][ T4732] el0t_64_sync+0x1a0/0x1a4 [ 52.249887][ T4686] Bluetooth: hci0: command 0x041b tx timeout [ 52.302388][ T4755] loop0: detected capacity change from 0 to 32768 [ 52.305080][ T4755] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4755) [ 52.308396][ T4755] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 52.311003][ T4755] BTRFS info (device loop0): force clearing of disk cache [ 52.312114][ T4755] BTRFS info (device loop0): setting nodatasum [ 52.313175][ T4755] BTRFS info (device loop0): disabling free space tree [ 52.314365][ T4755] BTRFS info (device loop0): has skinny extents [ 52.344657][ T4755] BTRFS info (device loop0): enabling ssd optimizations [ 52.346566][ T4755] BTRFS info (device loop0): clearing free space tree [ 52.348729][ T4755] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 52.370918][ T4755] FAULT_INJECTION: forcing a failure. [ 52.370918][ T4755] name failslab, interval 1, probability 0, space 0, times 0 [ 52.373240][ T4755] CPU: 0 PID: 4755 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.374660][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.376269][ T4755] Call trace: [ 52.376826][ T4755] dump_backtrace+0x0/0x458 [ 52.377581][ T4755] show_stack+0x2c/0x3c [ 52.378239][ T4755] __dump_stack+0x30/0x40 [ 52.379059][ T4755] dump_stack_lvl+0xf4/0x15c [ 52.379879][ T4755] dump_stack+0x1c/0x5c [ 52.380576][ T4755] should_fail+0x3bc/0x514 [ 52.381241][ T4755] __should_failslab+0xbc/0x10c [ 52.382060][ T4755] should_failslab+0x10/0x28 [ 52.382848][ T4755] slab_pre_alloc_hook+0x64/0xe8 [ 52.383652][ T4755] kmem_cache_alloc+0x94/0x3d4 [ 52.384490][ T4755] btrfs_alloc_path+0x5c/0x68 [ 52.385312][ T4755] __btrfs_run_delayed_items+0x88/0x46c [ 52.386272][ T4755] btrfs_run_delayed_items+0x24/0x34 [ 52.387123][ T4755] btrfs_commit_transaction+0x7e0/0x3078 [ 52.388146][ T4755] btrfs_sync_fs+0x628/0xb24 [ 52.388865][ T4755] sync_filesystem+0x1a0/0x218 [ 52.389713][ T4755] btrfs_remount+0x198/0x12b0 [ 52.390442][ T4755] legacy_reconfigure+0xf8/0x110 [ 52.391263][ T4755] reconfigure_super+0x1d4/0x6f4 [ 52.392052][ T4755] path_mount+0xc88/0x1008 [ 52.392757][ T4755] __arm64_sys_mount+0x514/0x5f0 [ 52.393630][ T4755] invoke_syscall+0x98/0x2b0 [ 52.394414][ T4755] el0_svc_common+0x138/0x258 [ 52.395198][ T4755] do_el0_svc+0x58/0x13c [ 52.395877][ T4755] el0_svc+0x78/0x1d0 [ 52.396544][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 52.397384][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 52.399959][ T4755] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 52.401481][ T4755] ------------[ cut here ]------------ [ 52.402485][ T4755] WARNING: CPU: 0 PID: 4755 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 52.404295][ T4755] Modules linked in: [ 52.404975][ T4755] CPU: 0 PID: 4755 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.406536][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.408267][ T4755] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.409743][ T4755] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 52.410736][ T4755] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 52.411787][ T4755] sp : ffff80001fa475a0 [ 52.412451][ T4755] x29: ffff80001fa477e0 x28: ffff700003f48ecc x27: 1fffe000199dc8fd [ 52.413746][ T4755] x26: ffff0000c779a000 x25: 00000000fffffff4 x24: ffff0000ccee47e8 [ 52.415116][ T4755] x23: ffff0000ced41318 x22: ffff0000ced412c0 x21: ffff0000d4e20000 [ 52.416451][ T4755] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 52.417748][ T4755] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 52.419065][ T4755] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 52.420384][ T4755] x11: 0000000000000000 x10: 0000000000000000 x9 : e1d30fece019df00 [ 52.421743][ T4755] x8 : e1d30fece019df00 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.423102][ T4755] x5 : ffff80001fa46eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 52.424502][ T4755] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.425887][ T4755] Call trace: [ 52.426431][ T4755] btrfs_commit_transaction+0x1ddc/0x3078 [ 52.427463][ T4755] btrfs_sync_fs+0x628/0xb24 [ 52.428150][ T4755] sync_filesystem+0x1a0/0x218 [ 52.428983][ T4755] btrfs_remount+0x198/0x12b0 [ 52.429709][ T4755] legacy_reconfigure+0xf8/0x110 [ 52.430511][ T4755] reconfigure_super+0x1d4/0x6f4 [ 52.431366][ T4755] path_mount+0xc88/0x1008 [ 52.432129][ T4755] __arm64_sys_mount+0x514/0x5f0 [ 52.432974][ T4755] invoke_syscall+0x98/0x2b0 [ 52.433724][ T4755] el0_svc_common+0x138/0x258 [ 52.434414][ T4755] do_el0_svc+0x58/0x13c [ 52.435075][ T4755] el0_svc+0x78/0x1d0 [ 52.435742][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 52.436498][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 52.437280][ T4755] irq event stamp: 81486 [ 52.437995][ T4755] hardirqs last enabled at (81485): [] __up_console_sem+0xb4/0xfc [ 52.439593][ T4755] hardirqs last disabled at (81486): [] el1_dbg+0x24/0x80 [ 52.440962][ T4755] softirqs last enabled at (81452): [] handle_softirqs+0xa40/0xbe4 [ 52.442617][ T4755] softirqs last disabled at (81441): [] __irq_exit_rcu+0x240/0x43c [ 52.444065][ T4755] ---[ end trace 1b50fc88e049685c ]--- [ 52.447330][ T4755] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 52.448975][ T4755] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 52.448975][ T4755] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 52.647763][ T4777] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4777) [ 52.665843][ T4777] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 52.665843][ T4777] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 52.671594][ T4777] FAULT_INJECTION: forcing a failure. [ 52.671594][ T4777] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 52.673946][ T4777] CPU: 0 PID: 4777 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.675470][ T4777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.677270][ T4777] Call trace: [ 52.677858][ T4777] dump_backtrace+0x0/0x458 [ 52.678657][ T4777] show_stack+0x2c/0x3c [ 52.679425][ T4777] __dump_stack+0x30/0x40 [ 52.680214][ T4777] dump_stack_lvl+0xf4/0x15c [ 52.681133][ T4777] dump_stack+0x1c/0x5c [ 52.681872][ T4777] should_fail+0x3bc/0x514 [ 52.682601][ T4777] should_fail_usercopy+0x20/0x30 [ 52.683375][ T4777] simple_read_from_buffer+0xd0/0x264 [ 52.684291][ T4777] proc_fail_nth_read+0x1a4/0x24c [ 52.685136][ T4777] vfs_read+0x27c/0xa44 [ 52.685778][ T4777] ksys_read+0x12c/0x224 [ 52.686514][ T4777] __arm64_sys_read+0x7c/0x90 [ 52.687283][ T4777] invoke_syscall+0x98/0x2b0 [ 52.688081][ T4777] el0_svc_common+0x138/0x258 [ 52.688944][ T4777] do_el0_svc+0x58/0x13c [ 52.689638][ T4777] el0_svc+0x78/0x1d0 [ 52.690273][ T4777] el0t_64_sync_handler+0xcc/0xe4 [ 52.691172][ T4777] el0t_64_sync+0x1a0/0x1a4 [ 52.879624][ T4799] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4799) [ 52.909951][ T4799] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 52.909951][ T4799] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 52.914883][ T4799] FAULT_INJECTION: forcing a failure. [ 52.914883][ T4799] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 52.917071][ T4799] CPU: 0 PID: 4799 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.918610][ T4799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.920315][ T4799] Call trace: [ 52.920885][ T4799] dump_backtrace+0x0/0x458 [ 52.921627][ T4799] show_stack+0x2c/0x3c [ 52.922356][ T4799] __dump_stack+0x30/0x40 [ 52.923098][ T4799] dump_stack_lvl+0xf4/0x15c [ 52.923885][ T4799] dump_stack+0x1c/0x5c [ 52.924605][ T4799] should_fail+0x3bc/0x514 [ 52.925420][ T4799] should_fail_usercopy+0x20/0x30 [ 52.926247][ T4799] simple_read_from_buffer+0xd0/0x264 [ 52.927237][ T4799] proc_fail_nth_read+0x1a4/0x24c [ 52.928142][ T4799] vfs_read+0x27c/0xa44 [ 52.928890][ T4799] ksys_read+0x12c/0x224 [ 52.929632][ T4799] __arm64_sys_read+0x7c/0x90 [ 52.930363][ T4799] invoke_syscall+0x98/0x2b0 [ 52.931120][ T4799] el0_svc_common+0x138/0x258 [ 52.931889][ T4799] do_el0_svc+0x58/0x13c [ 52.932643][ T4799] el0_svc+0x78/0x1d0 [ 52.933337][ T4799] el0t_64_sync_handler+0xcc/0xe4 [ 52.934169][ T4799] el0t_64_sync+0x1a0/0x1a4 [ 53.148417][ T4821] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4821) [ 53.169969][ T4821] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 53.169969][ T4821] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 53.174767][ T4821] FAULT_INJECTION: forcing a failure. [ 53.174767][ T4821] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 53.176931][ T4821] CPU: 1 PID: 4821 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.178503][ T4821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.180330][ T4821] Call trace: [ 53.180877][ T4821] dump_backtrace+0x0/0x458 [ 53.181607][ T4821] show_stack+0x2c/0x3c [ 53.182347][ T4821] __dump_stack+0x30/0x40 [ 53.183070][ T4821] dump_stack_lvl+0xf4/0x15c [ 53.183797][ T4821] dump_stack+0x1c/0x5c [ 53.184500][ T4821] should_fail+0x3bc/0x514 [ 53.185265][ T4821] should_fail_usercopy+0x20/0x30 [ 53.186073][ T4821] kstrtouint_from_user+0xe0/0x30c [ 53.186959][ T4821] proc_fail_nth_write+0x9c/0x244 [ 53.187778][ T4821] vfs_write+0x284/0xa60 [ 53.188503][ T4821] ksys_write+0x12c/0x224 [ 53.189244][ T4821] __arm64_sys_write+0x7c/0x90 [ 53.190039][ T4821] invoke_syscall+0x98/0x2b0 [ 53.190834][ T4821] el0_svc_common+0x138/0x258 [ 53.191644][ T4821] do_el0_svc+0x58/0x13c [ 53.192400][ T4821] el0_svc+0x78/0x1d0 [ 53.193071][ T4821] el0t_64_sync_handler+0xcc/0xe4 [ 53.193910][ T4821] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:00:53 executed programs: 13 [ 53.399755][ T4843] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4843) [ 53.418473][ T4843] FAULT_INJECTION: forcing a failure. [ 53.418473][ T4843] name failslab, interval 1, probability 0, space 0, times 0 [ 53.420964][ T4843] CPU: 0 PID: 4843 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.422390][ T4843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.424142][ T4843] Call trace: [ 53.424689][ T4843] dump_backtrace+0x0/0x458 [ 53.425473][ T4843] show_stack+0x2c/0x3c [ 53.426094][ T4843] __dump_stack+0x30/0x40 [ 53.426814][ T4843] dump_stack_lvl+0xf4/0x15c [ 53.427642][ T4843] dump_stack+0x1c/0x5c [ 53.428359][ T4843] should_fail+0x3bc/0x514 [ 53.429148][ T4843] __should_failslab+0xbc/0x10c [ 53.429942][ T4843] should_failslab+0x10/0x28 [ 53.430757][ T4843] slab_pre_alloc_hook+0x64/0xe8 [ 53.431585][ T4843] kmem_cache_alloc+0x94/0x3d4 [ 53.432339][ T4843] btrfs_alloc_path+0x5c/0x68 [ 53.433158][ T4843] __btrfs_run_delayed_items+0x88/0x46c [ 53.434079][ T4843] btrfs_run_delayed_items+0x24/0x34 [ 53.434999][ T4843] btrfs_commit_transaction+0x7e0/0x3078 [ 53.435919][ T4843] btrfs_sync_fs+0x628/0xb24 [ 53.436729][ T4843] sync_filesystem+0x1a0/0x218 [ 53.437547][ T4843] btrfs_remount+0x198/0x12b0 [ 53.438323][ T4843] legacy_reconfigure+0xf8/0x110 [ 53.439124][ T4843] reconfigure_super+0x1d4/0x6f4 [ 53.439952][ T4843] path_mount+0xc88/0x1008 [ 53.440656][ T4843] __arm64_sys_mount+0x514/0x5f0 [ 53.441469][ T4843] invoke_syscall+0x98/0x2b0 [ 53.442261][ T4843] el0_svc_common+0x138/0x258 [ 53.443042][ T4843] do_el0_svc+0x58/0x13c [ 53.443737][ T4843] el0_svc+0x78/0x1d0 [ 53.444375][ T4843] el0t_64_sync_handler+0xcc/0xe4 [ 53.445187][ T4843] el0t_64_sync+0x1a0/0x1a4 [ 53.447718][ T4843] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 53.450534][ T4843] ------------[ cut here ]------------ [ 53.451646][ T4843] WARNING: CPU: 0 PID: 4843 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 53.453264][ T4843] Modules linked in: [ 53.453878][ T4843] CPU: 0 PID: 4843 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.455401][ T4843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.457078][ T4843] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.458308][ T4843] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 53.459226][ T4843] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 53.460139][ T4843] sp : ffff80001ff675a0 [ 53.460778][ T4843] x29: ffff80001ff677e0 x28: ffff700003fececc x27: 1fffe00019cdd8fd [ 53.462128][ T4843] x26: ffff0000d95be000 x25: 00000000fffffff4 x24: ffff0000ce6ec7e8 [ 53.463535][ T4843] x23: ffff0000ced41b58 x22: ffff0000ced41b00 x21: ffff0000c9ec4000 [ 53.464858][ T4843] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 53.466282][ T4843] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 53.467692][ T4843] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 53.469071][ T4843] x11: 0000000000000000 x10: 0000000000000000 x9 : 8690f09c6346b200 [ 53.470440][ T4843] x8 : 8690f09c6346b200 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.471912][ T4843] x5 : ffff80001ff66eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 53.473245][ T4843] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.474584][ T4843] Call trace: [ 53.475114][ T4843] btrfs_commit_transaction+0x1ddc/0x3078 [ 53.476048][ T4843] btrfs_sync_fs+0x628/0xb24 [ 53.476887][ T4843] sync_filesystem+0x1a0/0x218 [ 53.477706][ T4843] btrfs_remount+0x198/0x12b0 [ 53.478448][ T4843] legacy_reconfigure+0xf8/0x110 [ 53.479260][ T4843] reconfigure_super+0x1d4/0x6f4 [ 53.480070][ T4843] path_mount+0xc88/0x1008 [ 53.480858][ T4843] __arm64_sys_mount+0x514/0x5f0 [ 53.481639][ T4843] invoke_syscall+0x98/0x2b0 [ 53.482391][ T4843] el0_svc_common+0x138/0x258 [ 53.483147][ T4843] do_el0_svc+0x58/0x13c [ 53.483867][ T4843] el0_svc+0x78/0x1d0 [ 53.484523][ T4843] el0t_64_sync_handler+0xcc/0xe4 [ 53.485329][ T4843] el0t_64_sync+0x1a0/0x1a4 [ 53.486074][ T4843] irq event stamp: 81828 [ 53.486782][ T4843] hardirqs last enabled at (81827): [] __up_console_sem+0xb4/0xfc [ 53.488341][ T4843] hardirqs last disabled at (81828): [] el1_dbg+0x24/0x80 [ 53.489790][ T4843] softirqs last enabled at (81808): [] handle_softirqs+0xa40/0xbe4 [ 53.491404][ T4843] softirqs last disabled at (81515): [] __irq_exit_rcu+0x240/0x43c [ 53.493106][ T4843] ---[ end trace 1b50fc88e049685d ]--- [ 53.496342][ T4843] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 53.497923][ T4843] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 53.497923][ T4843] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 53.688951][ T4865] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4865) [ 53.714948][ T4865] FAULT_INJECTION: forcing a failure. [ 53.714948][ T4865] name failslab, interval 1, probability 0, space 0, times 0 [ 53.717003][ T4865] CPU: 1 PID: 4865 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.718499][ T4865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.720191][ T4865] Call trace: [ 53.720749][ T4865] dump_backtrace+0x0/0x458 [ 53.721535][ T4865] show_stack+0x2c/0x3c [ 53.722314][ T4865] __dump_stack+0x30/0x40 [ 53.723071][ T4865] dump_stack_lvl+0xf4/0x15c [ 53.723866][ T4865] dump_stack+0x1c/0x5c [ 53.724589][ T4865] should_fail+0x3bc/0x514 [ 53.725388][ T4865] __should_failslab+0xbc/0x10c [ 53.726243][ T4865] should_failslab+0x10/0x28 [ 53.727011][ T4865] slab_pre_alloc_hook+0x64/0xe8 [ 53.727822][ T4865] kmem_cache_alloc+0x94/0x3d4 [ 53.728614][ T4865] btrfs_alloc_path+0x5c/0x68 [ 53.729359][ T4865] __btrfs_run_delayed_items+0x88/0x46c [ 53.730331][ T4865] btrfs_run_delayed_items+0x24/0x34 [ 53.731239][ T4865] btrfs_commit_transaction+0x938/0x3078 [ 53.732217][ T4865] btrfs_sync_fs+0x628/0xb24 [ 53.732958][ T4865] sync_filesystem+0x1a0/0x218 [ 53.733795][ T4865] btrfs_remount+0x198/0x12b0 [ 53.734632][ T4865] legacy_reconfigure+0xf8/0x110 [ 53.735476][ T4865] reconfigure_super+0x1d4/0x6f4 [ 53.736295][ T4865] path_mount+0xc88/0x1008 [ 53.737041][ T4865] __arm64_sys_mount+0x514/0x5f0 [ 53.737929][ T4865] invoke_syscall+0x98/0x2b0 [ 53.738722][ T4865] el0_svc_common+0x138/0x258 [ 53.739514][ T4865] do_el0_svc+0x58/0x13c [ 53.740190][ T4865] el0_svc+0x78/0x1d0 [ 53.740862][ T4865] el0t_64_sync_handler+0xcc/0xe4 [ 53.741729][ T4865] el0t_64_sync+0x1a0/0x1a4 [ 53.742765][ T4865] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 53.744138][ T4865] ------------[ cut here ]------------ [ 53.745170][ T4865] WARNING: CPU: 1 PID: 4865 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 53.746866][ T4865] Modules linked in: [ 53.747508][ T4865] CPU: 1 PID: 4865 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.748942][ T4865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.750590][ T4865] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.751865][ T4865] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 53.752882][ T4865] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 53.753860][ T4865] sp : ffff8000205b75a0 [ 53.754565][ T4865] x29: ffff8000205b77e0 x28: ffff7000040b6ecc x27: 1fffe0001b2e4c65 [ 53.755958][ T4865] x26: ffff0000d95bc000 x25: 00000000fffffff4 x24: ffff0000d9726328 [ 53.757319][ T4865] x23: ffff0000de5c9ec8 x22: ffff0000de5c9e70 x21: ffff0000db54c000 [ 53.758678][ T4865] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 53.760054][ T4865] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 53.761329][ T4865] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 53.762664][ T4865] x11: 0000000000000000 x10: 0000000000000000 x9 : f9a499d6eb072000 [ 53.764088][ T4865] x8 : f9a499d6eb072000 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.765420][ T4865] x5 : ffff8000205b6eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 53.766727][ T4865] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.768098][ T4865] Call trace: [ 53.768667][ T4865] btrfs_commit_transaction+0x1ddc/0x3078 [ 53.769583][ T4865] btrfs_sync_fs+0x628/0xb24 [ 53.770329][ T4865] sync_filesystem+0x1a0/0x218 [ 53.771115][ T4865] btrfs_remount+0x198/0x12b0 [ 53.771909][ T4865] legacy_reconfigure+0xf8/0x110 [ 53.772677][ T4865] reconfigure_super+0x1d4/0x6f4 [ 53.773572][ T4865] path_mount+0xc88/0x1008 [ 53.774383][ T4865] __arm64_sys_mount+0x514/0x5f0 [ 53.775245][ T4865] invoke_syscall+0x98/0x2b0 [ 53.775993][ T4865] el0_svc_common+0x138/0x258 [ 53.776802][ T4865] do_el0_svc+0x58/0x13c [ 53.777562][ T4865] el0_svc+0x78/0x1d0 [ 53.778256][ T4865] el0t_64_sync_handler+0xcc/0xe4 [ 53.779119][ T4865] el0t_64_sync+0x1a0/0x1a4 [ 53.779927][ T4865] irq event stamp: 80744 [ 53.780652][ T4865] hardirqs last enabled at (80743): [] __up_console_sem+0xb4/0xfc [ 53.782280][ T4865] hardirqs last disabled at (80744): [] el1_dbg+0x24/0x80 [ 53.783681][ T4865] softirqs last enabled at (80714): [] handle_softirqs+0xa40/0xbe4 [ 53.785217][ T4865] softirqs last disabled at (80617): [] __irq_exit_rcu+0x240/0x43c [ 53.786771][ T4865] ---[ end trace 1b50fc88e049685e ]--- [ 53.788284][ T4865] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 53.789921][ T4865] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 53.789921][ T4865] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 53.968322][ T4887] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4887) [ 53.990299][ T4887] FAULT_INJECTION: forcing a failure. [ 53.990299][ T4887] name failslab, interval 1, probability 0, space 0, times 0 [ 53.992703][ T4887] CPU: 0 PID: 4887 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.994254][ T4887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.996006][ T4887] Call trace: [ 53.996559][ T4887] dump_backtrace+0x0/0x458 [ 53.997319][ T4887] show_stack+0x2c/0x3c [ 53.998058][ T4887] __dump_stack+0x30/0x40 [ 53.998826][ T4887] dump_stack_lvl+0xf4/0x15c [ 53.999664][ T4887] dump_stack+0x1c/0x5c [ 54.000338][ T4887] should_fail+0x3bc/0x514 [ 54.001173][ T4887] __should_failslab+0xbc/0x10c [ 54.002061][ T4887] should_failslab+0x10/0x28 [ 54.002838][ T4887] slab_pre_alloc_hook+0x64/0xe8 [ 54.003665][ T4887] kmem_cache_alloc+0x94/0x3d4 [ 54.004429][ T4887] btrfs_alloc_path+0x5c/0x68 [ 54.005167][ T4887] __btrfs_run_delayed_items+0x88/0x46c [ 54.005986][ T4887] btrfs_run_delayed_items+0x24/0x34 [ 54.006893][ T4887] btrfs_commit_transaction+0x7e0/0x3078 [ 54.007894][ T4887] btrfs_sync_fs+0x628/0xb24 [ 54.008681][ T4887] sync_filesystem+0x1a0/0x218 [ 54.009529][ T4887] btrfs_remount+0x198/0x12b0 [ 54.010350][ T4887] legacy_reconfigure+0xf8/0x110 [ 54.011166][ T4887] reconfigure_super+0x1d4/0x6f4 [ 54.012006][ T4887] path_mount+0xc88/0x1008 [ 54.012750][ T4887] __arm64_sys_mount+0x514/0x5f0 [ 54.013632][ T4887] invoke_syscall+0x98/0x2b0 [ 54.014471][ T4887] el0_svc_common+0x138/0x258 [ 54.015271][ T4887] do_el0_svc+0x58/0x13c [ 54.016000][ T4887] el0_svc+0x78/0x1d0 [ 54.016680][ T4887] el0t_64_sync_handler+0xcc/0xe4 [ 54.017473][ T4887] el0t_64_sync+0x1a0/0x1a4 [ 54.018498][ T4887] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 54.020189][ T4887] ------------[ cut here ]------------ [ 54.021153][ T4887] WARNING: CPU: 0 PID: 4887 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 54.022945][ T4887] Modules linked in: [ 54.023527][ T4887] CPU: 0 PID: 4887 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.024990][ T4887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.026564][ T4887] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.027790][ T4887] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 54.028810][ T4887] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 54.029764][ T4887] sp : ffff8000205b75a0 [ 54.030419][ T4887] x29: ffff8000205b77e0 x28: ffff7000040b6ecc x27: 1fffe0001af988fd [ 54.031676][ T4887] x26: ffff0000d95b8000 x25: 00000000fffffff4 x24: ffff0000d7cc47e8 [ 54.032928][ T4887] x23: ffff0000ced41ec8 x22: ffff0000ced41e70 x21: ffff0000cdef0000 [ 54.034328][ T4887] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 54.035727][ T4887] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 54.037193][ T4887] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 54.038584][ T4887] x11: 0000000000000000 x10: 0000000000000000 x9 : e7e99210480d3200 [ 54.039941][ T4887] x8 : e7e99210480d3200 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.041375][ T4887] x5 : ffff8000205b6eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 54.042743][ T4887] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.044104][ T4887] Call trace: [ 54.044642][ T4887] btrfs_commit_transaction+0x1ddc/0x3078 [ 54.045600][ T4887] btrfs_sync_fs+0x628/0xb24 [ 54.046332][ T4887] sync_filesystem+0x1a0/0x218 [ 54.047087][ T4887] btrfs_remount+0x198/0x12b0 [ 54.047812][ T4887] legacy_reconfigure+0xf8/0x110 [ 54.048571][ T4887] reconfigure_super+0x1d4/0x6f4 [ 54.049347][ T4887] path_mount+0xc88/0x1008 [ 54.049998][ T4887] __arm64_sys_mount+0x514/0x5f0 [ 54.050843][ T4887] invoke_syscall+0x98/0x2b0 [ 54.051600][ T4887] el0_svc_common+0x138/0x258 [ 54.052358][ T4887] do_el0_svc+0x58/0x13c [ 54.053138][ T4887] el0_svc+0x78/0x1d0 [ 54.053836][ T4887] el0t_64_sync_handler+0xcc/0xe4 [ 54.054703][ T4887] el0t_64_sync+0x1a0/0x1a4 [ 54.055484][ T4887] irq event stamp: 79952 [ 54.056176][ T4887] hardirqs last enabled at (79951): [] __up_console_sem+0xb4/0xfc [ 54.057784][ T4887] hardirqs last disabled at (79952): [] el1_dbg+0x24/0x80 [ 54.059347][ T4887] softirqs last enabled at (79932): [] handle_softirqs+0xa40/0xbe4 [ 54.061038][ T4887] softirqs last disabled at (79791): [] __irq_exit_rcu+0x240/0x43c [ 54.062752][ T4887] ---[ end trace 1b50fc88e049685f ]--- [ 54.063993][ T4887] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 54.065681][ T4887] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 54.065681][ T4887] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 54.248549][ T4909] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4909) [ 54.277180][ T4909] FAULT_INJECTION: forcing a failure. [ 54.277180][ T4909] name failslab, interval 1, probability 0, space 0, times 0 [ 54.279591][ T4909] CPU: 0 PID: 4909 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.281061][ T4909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.282726][ T4909] Call trace: [ 54.283315][ T4909] dump_backtrace+0x0/0x458 [ 54.284084][ T4909] show_stack+0x2c/0x3c [ 54.284789][ T4909] __dump_stack+0x30/0x40 [ 54.285583][ T4909] dump_stack_lvl+0xf4/0x15c [ 54.286377][ T4909] dump_stack+0x1c/0x5c [ 54.287069][ T4909] should_fail+0x3bc/0x514 [ 54.287822][ T4909] __should_failslab+0xbc/0x10c [ 54.288719][ T4909] should_failslab+0x10/0x28 [ 54.289506][ T4909] slab_pre_alloc_hook+0x64/0xe8 [ 54.290309][ T4909] kmem_cache_alloc+0x94/0x3d4 [ 54.291133][ T4909] btrfs_alloc_path+0x5c/0x68 [ 54.291978][ T4909] __btrfs_run_delayed_items+0x88/0x46c [ 54.292966][ T4909] btrfs_run_delayed_items+0x24/0x34 [ 54.293962][ T4909] btrfs_commit_transaction+0x7e0/0x3078 [ 54.294892][ T4909] btrfs_sync_fs+0x628/0xb24 [ 54.295712][ T4909] sync_filesystem+0x1a0/0x218 [ 54.296542][ T4909] btrfs_remount+0x198/0x12b0 [ 54.297435][ T4909] legacy_reconfigure+0xf8/0x110 [ 54.298241][ T4909] reconfigure_super+0x1d4/0x6f4 [ 54.299143][ T4909] path_mount+0xc88/0x1008 [ 54.299907][ T4909] __arm64_sys_mount+0x514/0x5f0 [ 54.300736][ T4909] invoke_syscall+0x98/0x2b0 [ 54.301492][ T4909] el0_svc_common+0x138/0x258 [ 54.302289][ T4909] do_el0_svc+0x58/0x13c [ 54.302985][ T4909] el0_svc+0x78/0x1d0 [ 54.303725][ T4909] el0t_64_sync_handler+0xcc/0xe4 [ 54.304606][ T4909] el0t_64_sync+0x1a0/0x1a4 [ 54.305708][ T4909] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 54.307256][ T4909] ------------[ cut here ]------------ [ 54.308308][ T4909] WARNING: CPU: 0 PID: 4909 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 54.310073][ T4909] Modules linked in: [ 54.310743][ T4909] CPU: 0 PID: 4909 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.312334][ T4909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.314177][ T4909] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.315551][ T4909] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 54.316663][ T4909] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 54.317659][ T4909] sp : ffff8000200675a0 [ 54.318347][ T4909] x29: ffff8000200677e0 x28: ffff70000400cecc x27: 1fffe0001b3ee22d [ 54.319616][ T4909] x26: ffff0000c0eff000 x25: 00000000fffffff4 x24: ffff0000d9f71168 [ 54.320963][ T4909] x23: ffff0000de5d7058 x22: ffff0000de5d7000 x21: ffff0000ccb9c000 [ 54.322306][ T4909] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 54.323616][ T4909] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 54.324919][ T4909] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 54.326278][ T4909] x11: 0000000000000000 x10: 0000000000000000 x9 : f0d3c6cbbf611100 [ 54.327685][ T4909] x8 : f0d3c6cbbf611100 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.329114][ T4909] x5 : ffff800020066eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 54.330523][ T4909] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.331920][ T4909] Call trace: [ 54.332540][ T4909] btrfs_commit_transaction+0x1ddc/0x3078 [ 54.333499][ T4909] btrfs_sync_fs+0x628/0xb24 [ 54.334293][ T4909] sync_filesystem+0x1a0/0x218 [ 54.335138][ T4909] btrfs_remount+0x198/0x12b0 [ 54.335957][ T4909] legacy_reconfigure+0xf8/0x110 [ 54.336880][ T4909] reconfigure_super+0x1d4/0x6f4 [ 54.337821][ T4909] path_mount+0xc88/0x1008 [ 54.338554][ T4909] __arm64_sys_mount+0x514/0x5f0 [ 54.339373][ T4909] invoke_syscall+0x98/0x2b0 [ 54.340148][ T4909] el0_svc_common+0x138/0x258 [ 54.341068][ T4909] do_el0_svc+0x58/0x13c [ 54.341812][ T4909] el0_svc+0x78/0x1d0 [ 54.342511][ T4909] el0t_64_sync_handler+0xcc/0xe4 [ 54.343337][ T4909] el0t_64_sync+0x1a0/0x1a4 [ 54.344115][ T4909] irq event stamp: 80800 [ 54.344830][ T4909] hardirqs last enabled at (80799): [] __up_console_sem+0xb4/0xfc [ 54.346441][ T4909] hardirqs last disabled at (80800): [] el1_dbg+0x24/0x80 [ 54.347951][ T4909] softirqs last enabled at (80766): [] handle_softirqs+0xa40/0xbe4 [ 54.349490][ T4909] softirqs last disabled at (80649): [] __irq_exit_rcu+0x240/0x43c [ 54.351161][ T4909] ---[ end trace 1b50fc88e0496860 ]--- [ 54.352725][ T4909] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 54.354417][ T4909] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 54.354417][ T4909] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 54.358888][ T4683] Bluetooth: hci0: command 0x040f tx timeout [ 54.564027][ T4931] set_capacity_and_notify: 7 callbacks suppressed [ 54.564037][ T4931] loop0: detected capacity change from 0 to 32768 [ 54.569234][ T4931] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4931) [ 54.573056][ T4931] btrfs_printk: 77 callbacks suppressed [ 54.573063][ T4931] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 54.575710][ T4931] BTRFS info (device loop0): force clearing of disk cache [ 54.576952][ T4931] BTRFS info (device loop0): setting nodatasum [ 54.578080][ T4931] BTRFS info (device loop0): disabling free space tree [ 54.579960][ T4931] BTRFS info (device loop0): has skinny extents [ 54.592083][ T4931] BTRFS info (device loop0): enabling ssd optimizations [ 54.593645][ T4931] BTRFS info (device loop0): clearing free space tree [ 54.594738][ T4931] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 54.596413][ T4931] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 54.600563][ T4931] BTRFS info (device loop0): checking UUID tree [ 54.602971][ T4931] FAULT_INJECTION: forcing a failure. [ 54.602971][ T4931] name failslab, interval 1, probability 0, space 0, times 0 [ 54.605065][ T4931] CPU: 0 PID: 4931 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.606507][ T4931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.608163][ T4931] Call trace: [ 54.608709][ T4931] dump_backtrace+0x0/0x458 [ 54.609468][ T4931] show_stack+0x2c/0x3c [ 54.610156][ T4931] __dump_stack+0x30/0x40 [ 54.610862][ T4931] dump_stack_lvl+0xf4/0x15c [ 54.611615][ T4931] dump_stack+0x1c/0x5c [ 54.612254][ T4931] should_fail+0x3bc/0x514 [ 54.613000][ T4931] __should_failslab+0xbc/0x10c [ 54.613779][ T4931] should_failslab+0x10/0x28 [ 54.614493][ T4931] slab_pre_alloc_hook+0x64/0xe8 [ 54.615285][ T4931] kmem_cache_alloc_trace+0x98/0x3ec [ 54.616122][ T4931] bdi_split_work_to_wbs+0x3f4/0x77c [ 54.617005][ T4931] __writeback_inodes_sb_nr+0x1ac/0x224 [ 54.617890][ T4931] writeback_inodes_sb+0x78/0x8c [ 54.618740][ T4931] sync_filesystem+0xa0/0x218 [ 54.619532][ T4931] btrfs_remount+0x198/0x12b0 [ 54.620241][ T4931] legacy_reconfigure+0xf8/0x110 [ 54.621225][ T4931] reconfigure_super+0x1d4/0x6f4 [ 54.622033][ T4931] path_mount+0xc88/0x1008 [ 54.622771][ T4931] __arm64_sys_mount+0x514/0x5f0 [ 54.623523][ T4931] invoke_syscall+0x98/0x2b0 [ 54.624247][ T4931] el0_svc_common+0x138/0x258 [ 54.625051][ T4931] do_el0_svc+0x58/0x13c [ 54.625690][ T4931] el0_svc+0x78/0x1d0 [ 54.626259][ T4931] el0t_64_sync_handler+0xcc/0xe4 [ 54.627164][ T4931] el0t_64_sync+0x1a0/0x1a4 [ 54.630653][ T4931] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 54.630653][ T4931] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 54.815385][ T4953] loop0: detected capacity change from 0 to 32768 [ 54.818060][ T4953] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4953) [ 54.821763][ T4953] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 54.823448][ T4953] BTRFS info (device loop0): force clearing of disk cache [ 54.824729][ T4953] BTRFS info (device loop0): setting nodatasum [ 54.825653][ T4953] BTRFS info (device loop0): disabling free space tree [ 54.826784][ T4953] BTRFS info (device loop0): has skinny extents [ 54.841620][ T4953] BTRFS info (device loop0): enabling ssd optimizations [ 54.843406][ T4953] BTRFS info (device loop0): clearing free space tree [ 54.844581][ T4953] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 54.846311][ T4953] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 54.850295][ T4953] BTRFS info (device loop0): checking UUID tree [ 54.852937][ T4953] FAULT_INJECTION: forcing a failure. [ 54.852937][ T4953] name failslab, interval 1, probability 0, space 0, times 0 [ 54.855267][ T4953] CPU: 1 PID: 4953 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.856770][ T4953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.858335][ T4953] Call trace: [ 54.858919][ T4953] dump_backtrace+0x0/0x458 [ 54.859715][ T4953] show_stack+0x2c/0x3c [ 54.860405][ T4953] __dump_stack+0x30/0x40 [ 54.861150][ T4953] dump_stack_lvl+0xf4/0x15c [ 54.861993][ T4953] dump_stack+0x1c/0x5c [ 54.862734][ T4953] should_fail+0x3bc/0x514 [ 54.863486][ T4953] __should_failslab+0xbc/0x10c [ 54.864344][ T4953] should_failslab+0x10/0x28 [ 54.865133][ T4953] slab_pre_alloc_hook+0x64/0xe8 [ 54.866120][ T4953] kmem_cache_alloc+0x94/0x3d4 [ 54.866953][ T4953] btrfs_alloc_path+0x5c/0x68 [ 54.867802][ T4953] __btrfs_run_delayed_items+0x88/0x46c [ 54.868815][ T4953] btrfs_run_delayed_items+0x24/0x34 [ 54.869831][ T4953] btrfs_commit_transaction+0x938/0x3078 [ 54.870870][ T4953] btrfs_sync_fs+0x628/0xb24 [ 54.871628][ T4953] sync_filesystem+0x1a0/0x218 [ 54.872475][ T4953] btrfs_remount+0x198/0x12b0 [ 54.873329][ T4953] legacy_reconfigure+0xf8/0x110 [ 54.874190][ T4953] reconfigure_super+0x1d4/0x6f4 [ 54.875094][ T4953] path_mount+0xc88/0x1008 [ 54.875837][ T4953] __arm64_sys_mount+0x514/0x5f0 [ 54.876749][ T4953] invoke_syscall+0x98/0x2b0 [ 54.877557][ T4953] el0_svc_common+0x138/0x258 [ 54.878319][ T4953] do_el0_svc+0x58/0x13c [ 54.878995][ T4953] el0_svc+0x78/0x1d0 [ 54.879703][ T4953] el0t_64_sync_handler+0xcc/0xe4 [ 54.880535][ T4953] el0t_64_sync+0x1a0/0x1a4 [ 54.883449][ T4953] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 54.885000][ T4953] ------------[ cut here ]------------ [ 54.886018][ T4953] WARNING: CPU: 1 PID: 4953 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 54.887864][ T4953] Modules linked in: [ 54.888569][ T4953] CPU: 1 PID: 4953 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.890117][ T4953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.891821][ T4953] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.893209][ T4953] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 54.894218][ T4953] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 54.895228][ T4953] sp : ffff800020af75a0 [ 54.895956][ T4953] x29: ffff800020af77e0 x28: ffff70000415eecc x27: 1fffe0001823bc65 [ 54.897305][ T4953] x26: ffff0000daa83000 x25: 00000000fffffff4 x24: ffff0000c11de328 [ 54.898708][ T4953] x23: ffff0000de5c9268 x22: ffff0000de5c9210 x21: ffff0000ce360000 [ 54.900039][ T4953] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 54.901354][ T4953] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 54.902644][ T4953] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 54.903979][ T4953] x11: 0000000000000000 x10: 0000000000000000 x9 : 68437323431b2500 [ 54.905439][ T4953] x8 : 68437323431b2500 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.906768][ T4953] x5 : ffff800020af6eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 54.908263][ T4953] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.909676][ T4953] Call trace: [ 54.910260][ T4953] btrfs_commit_transaction+0x1ddc/0x3078 [ 54.911235][ T4953] btrfs_sync_fs+0x628/0xb24 [ 54.912049][ T4953] sync_filesystem+0x1a0/0x218 [ 54.912898][ T4953] btrfs_remount+0x198/0x12b0 [ 54.913680][ T4953] legacy_reconfigure+0xf8/0x110 [ 54.914450][ T4953] reconfigure_super+0x1d4/0x6f4 [ 54.915289][ T4953] path_mount+0xc88/0x1008 [ 54.916061][ T4953] __arm64_sys_mount+0x514/0x5f0 [ 54.916952][ T4953] invoke_syscall+0x98/0x2b0 [ 54.917786][ T4953] el0_svc_common+0x138/0x258 [ 54.918597][ T4953] do_el0_svc+0x58/0x13c [ 54.919328][ T4953] el0_svc+0x78/0x1d0 [ 54.919977][ T4953] el0t_64_sync_handler+0xcc/0xe4 [ 54.920808][ T4953] el0t_64_sync+0x1a0/0x1a4 [ 54.921569][ T4953] irq event stamp: 81054 [ 54.922308][ T4953] hardirqs last enabled at (81053): [] __up_console_sem+0xb4/0xfc [ 54.923968][ T4953] hardirqs last disabled at (81054): [] el1_dbg+0x24/0x80 [ 54.925505][ T4953] softirqs last enabled at (81020): [] handle_softirqs+0xa40/0xbe4 [ 54.927097][ T4953] softirqs last disabled at (80889): [] __irq_exit_rcu+0x240/0x43c [ 54.928738][ T4953] ---[ end trace 1b50fc88e0496861 ]--- [ 54.930260][ T4953] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 54.931697][ T4953] BTRFS info (device loop0): forced readonly [ 54.932717][ T4953] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 54.932717][ T4953] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 55.119877][ T4975] loop0: detected capacity change from 0 to 32768 [ 55.122810][ T4975] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4975) [ 55.127578][ T4975] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 55.129518][ T4975] BTRFS info (device loop0): force clearing of disk cache [ 55.130826][ T4975] BTRFS info (device loop0): setting nodatasum [ 55.131957][ T4975] BTRFS info (device loop0): disabling free space tree [ 55.133227][ T4975] BTRFS info (device loop0): has skinny extents [ 55.141680][ T4975] BTRFS info (device loop0): enabling ssd optimizations [ 55.143351][ T4975] BTRFS info (device loop0): clearing free space tree [ 55.144561][ T4975] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 55.146237][ T4975] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 55.149956][ T4975] BTRFS info (device loop0): checking UUID tree [ 55.152503][ T4975] FAULT_INJECTION: forcing a failure. [ 55.152503][ T4975] name failslab, interval 1, probability 0, space 0, times 0 [ 55.154656][ T4975] CPU: 0 PID: 4975 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.156171][ T4975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.158118][ T4975] Call trace: [ 55.158685][ T4975] dump_backtrace+0x0/0x458 [ 55.159428][ T4975] show_stack+0x2c/0x3c [ 55.160125][ T4975] __dump_stack+0x30/0x40 [ 55.160813][ T4975] dump_stack_lvl+0xf4/0x15c [ 55.161791][ T4975] dump_stack+0x1c/0x5c [ 55.162537][ T4975] should_fail+0x3bc/0x514 [ 55.163297][ T4975] __should_failslab+0xbc/0x10c [ 55.164100][ T4975] should_failslab+0x10/0x28 [ 55.164901][ T4975] slab_pre_alloc_hook+0x64/0xe8 [ 55.165752][ T4975] kmem_cache_alloc+0x94/0x3d4 [ 55.166521][ T4975] btrfs_alloc_path+0x5c/0x68 [ 55.167297][ T4975] __btrfs_run_delayed_items+0x88/0x46c [ 55.168281][ T4975] btrfs_run_delayed_items+0x24/0x34 [ 55.169149][ T4975] btrfs_commit_transaction+0x7e0/0x3078 [ 55.170140][ T4975] btrfs_sync_fs+0x628/0xb24 [ 55.170844][ T4975] sync_filesystem+0x1a0/0x218 [ 55.171648][ T4975] btrfs_remount+0x198/0x12b0 [ 55.172467][ T4975] legacy_reconfigure+0xf8/0x110 [ 55.173321][ T4975] reconfigure_super+0x1d4/0x6f4 [ 55.174158][ T4975] path_mount+0xc88/0x1008 [ 55.174948][ T4975] __arm64_sys_mount+0x514/0x5f0 [ 55.175838][ T4975] invoke_syscall+0x98/0x2b0 [ 55.176584][ T4975] el0_svc_common+0x138/0x258 [ 55.177384][ T4975] do_el0_svc+0x58/0x13c [ 55.178081][ T4975] el0_svc+0x78/0x1d0 [ 55.178696][ T4975] el0t_64_sync_handler+0xcc/0xe4 [ 55.179538][ T4975] el0t_64_sync+0x1a0/0x1a4 [ 55.181993][ T4975] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 55.183308][ T4975] ------------[ cut here ]------------ [ 55.184414][ T4975] WARNING: CPU: 0 PID: 4975 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 55.186083][ T4975] Modules linked in: [ 55.186686][ T4975] CPU: 0 PID: 4975 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.188261][ T4975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.190016][ T4975] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.191357][ T4975] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 55.192376][ T4975] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 55.193365][ T4975] sp : ffff800020a875a0 [ 55.194080][ T4975] x29: ffff800020a877e0 x28: ffff700004150ecc x27: 1fffe000192268fd [ 55.195498][ T4975] x26: ffff0000d9931000 x25: 00000000fffffff4 x24: ffff0000c91347e8 [ 55.196952][ T4975] x23: ffff0000de46e268 x22: ffff0000de46e210 x21: ffff0000db2b4000 [ 55.198273][ T4975] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 55.199580][ T4975] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 55.200929][ T4975] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 55.202245][ T4975] x11: 0000000000000000 x10: 0000000000000000 x9 : a73f75beecd2ae00 [ 55.203584][ T4975] x8 : a73f75beecd2ae00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.205023][ T4975] x5 : ffff800020a86eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 55.206439][ T4975] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.207861][ T4975] Call trace: [ 55.208444][ T4975] btrfs_commit_transaction+0x1ddc/0x3078 [ 55.209538][ T4975] btrfs_sync_fs+0x628/0xb24 [ 55.210314][ T4975] sync_filesystem+0x1a0/0x218 [ 55.211149][ T4975] btrfs_remount+0x198/0x12b0 [ 55.212003][ T4975] legacy_reconfigure+0xf8/0x110 [ 55.212864][ T4975] reconfigure_super+0x1d4/0x6f4 [ 55.213709][ T4975] path_mount+0xc88/0x1008 [ 55.214455][ T4975] __arm64_sys_mount+0x514/0x5f0 [ 55.215313][ T4975] invoke_syscall+0x98/0x2b0 [ 55.216090][ T4975] el0_svc_common+0x138/0x258 [ 55.216883][ T4975] do_el0_svc+0x58/0x13c [ 55.217568][ T4975] el0_svc+0x78/0x1d0 [ 55.218242][ T4975] el0t_64_sync_handler+0xcc/0xe4 [ 55.219091][ T4975] el0t_64_sync+0x1a0/0x1a4 [ 55.219833][ T4975] irq event stamp: 80084 [ 55.220532][ T4975] hardirqs last enabled at (80083): [] __up_console_sem+0xb4/0xfc [ 55.222187][ T4975] hardirqs last disabled at (80084): [] el1_dbg+0x24/0x80 [ 55.223740][ T4975] softirqs last enabled at (80054): [] handle_softirqs+0xa40/0xbe4 [ 55.225525][ T4975] softirqs last disabled at (80043): [] __irq_exit_rcu+0x240/0x43c [ 55.227197][ T4975] ---[ end trace 1b50fc88e0496862 ]--- [ 55.229364][ T4975] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 55.230925][ T4975] BTRFS info (device loop0): forced readonly [ 55.232010][ T4975] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 55.232010][ T4975] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 55.430009][ T4997] loop0: detected capacity change from 0 to 32768 [ 55.432789][ T4997] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4997) [ 55.436856][ T4997] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 55.438367][ T4997] BTRFS info (device loop0): force clearing of disk cache [ 55.439711][ T4997] BTRFS info (device loop0): setting nodatasum [ 55.440714][ T4997] BTRFS info (device loop0): disabling free space tree [ 55.441773][ T4997] BTRFS info (device loop0): has skinny extents [ 55.456335][ T4997] BTRFS info (device loop0): enabling ssd optimizations [ 55.458236][ T4997] BTRFS info (device loop0): clearing free space tree [ 55.459709][ T4997] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 55.461392][ T4997] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 55.465071][ T4997] BTRFS info (device loop0): checking UUID tree [ 55.467689][ T4997] FAULT_INJECTION: forcing a failure. [ 55.467689][ T4997] name failslab, interval 1, probability 0, space 0, times 0 [ 55.470749][ T4997] CPU: 0 PID: 4997 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.472210][ T4997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.474004][ T4997] Call trace: [ 55.474593][ T4997] dump_backtrace+0x0/0x458 [ 55.475405][ T4997] show_stack+0x2c/0x3c [ 55.476095][ T4997] __dump_stack+0x30/0x40 [ 55.476835][ T4997] dump_stack_lvl+0xf4/0x15c [ 55.477628][ T4997] dump_stack+0x1c/0x5c [ 55.478330][ T4997] should_fail+0x3bc/0x514 [ 55.479072][ T4997] __should_failslab+0xbc/0x10c [ 55.479937][ T4997] should_failslab+0x10/0x28 [ 55.480743][ T4997] slab_pre_alloc_hook+0x64/0xe8 [ 55.481543][ T4997] kmem_cache_alloc+0x94/0x3d4 [ 55.482381][ T4997] start_transaction+0x4d0/0x13ec [ 55.483278][ T4997] btrfs_attach_transaction_barrier+0x30/0xac [ 55.484213][ T4997] btrfs_sync_fs+0x13c/0xb24 [ 55.485021][ T4997] sync_filesystem+0x1a0/0x218 [ 55.485839][ T4997] btrfs_remount+0x198/0x12b0 [ 55.486600][ T4997] legacy_reconfigure+0xf8/0x110 [ 55.487515][ T4997] reconfigure_super+0x1d4/0x6f4 [ 55.488391][ T4997] path_mount+0xc88/0x1008 [ 55.489157][ T4997] __arm64_sys_mount+0x514/0x5f0 [ 55.489975][ T4997] invoke_syscall+0x98/0x2b0 [ 55.490708][ T4997] el0_svc_common+0x138/0x258 [ 55.491456][ T4997] do_el0_svc+0x58/0x13c [ 55.492240][ T4997] el0_svc+0x78/0x1d0 [ 55.492933][ T4997] el0t_64_sync_handler+0xcc/0xe4 [ 55.493869][ T4997] el0t_64_sync+0x1a0/0x1a4 [ 55.495552][ T4997] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 55.495552][ T4997] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 55.698175][ T5019] loop0: detected capacity change from 0 to 32768 [ 55.700882][ T5019] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5019) [ 55.705511][ T5019] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 55.707244][ T5019] BTRFS info (device loop0): force clearing of disk cache [ 55.708451][ T5019] BTRFS info (device loop0): setting nodatasum [ 55.709476][ T5019] BTRFS info (device loop0): disabling free space tree [ 55.710612][ T5019] BTRFS info (device loop0): has skinny extents [ 55.718703][ T5019] BTRFS info (device loop0): enabling ssd optimizations [ 55.720951][ T5019] BTRFS info (device loop0): clearing free space tree [ 55.722215][ T5019] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 55.723837][ T5019] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 55.727590][ T5019] BTRFS info (device loop0): checking UUID tree [ 55.730516][ T5019] FAULT_INJECTION: forcing a failure. [ 55.730516][ T5019] name failslab, interval 1, probability 0, space 0, times 0 [ 55.732636][ T5019] CPU: 1 PID: 5019 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.734314][ T5019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.736020][ T5019] Call trace: [ 55.736560][ T5019] dump_backtrace+0x0/0x458 [ 55.737384][ T5019] show_stack+0x2c/0x3c [ 55.738123][ T5019] __dump_stack+0x30/0x40 [ 55.738873][ T5019] dump_stack_lvl+0xf4/0x15c [ 55.739652][ T5019] dump_stack+0x1c/0x5c [ 55.740407][ T5019] should_fail+0x3bc/0x514 [ 55.741180][ T5019] __should_failslab+0xbc/0x10c [ 55.741948][ T5019] should_failslab+0x10/0x28 [ 55.742638][ T5019] slab_pre_alloc_hook+0x64/0xe8 [ 55.743450][ T5019] kmem_cache_alloc+0x94/0x3d4 [ 55.744181][ T5019] btrfs_alloc_path+0x5c/0x68 [ 55.744896][ T5019] __btrfs_run_delayed_items+0x88/0x46c [ 55.745821][ T5019] btrfs_run_delayed_items+0x24/0x34 [ 55.746638][ T5019] btrfs_commit_transaction+0x938/0x3078 [ 55.747681][ T5019] btrfs_sync_fs+0x628/0xb24 [ 55.748492][ T5019] sync_filesystem+0x1a0/0x218 [ 55.749284][ T5019] btrfs_remount+0x198/0x12b0 [ 55.750145][ T5019] legacy_reconfigure+0xf8/0x110 [ 55.751017][ T5019] reconfigure_super+0x1d4/0x6f4 [ 55.751895][ T5019] path_mount+0xc88/0x1008 [ 55.752593][ T5019] __arm64_sys_mount+0x514/0x5f0 [ 55.753397][ T5019] invoke_syscall+0x98/0x2b0 [ 55.754209][ T5019] el0_svc_common+0x138/0x258 [ 55.755011][ T5019] do_el0_svc+0x58/0x13c [ 55.755688][ T5019] el0_svc+0x78/0x1d0 [ 55.756363][ T5019] el0t_64_sync_handler+0xcc/0xe4 [ 55.757175][ T5019] el0t_64_sync+0x1a0/0x1a4 [ 55.759893][ T5019] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 55.761291][ T5019] ------------[ cut here ]------------ [ 55.762304][ T5019] WARNING: CPU: 1 PID: 5019 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 55.764047][ T5019] Modules linked in: [ 55.764717][ T5019] CPU: 1 PID: 5019 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.766196][ T5019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.767916][ T5019] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.769265][ T5019] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 55.770319][ T5019] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 55.771399][ T5019] sp : ffff800020f375a0 [ 55.772070][ T5019] x29: ffff800020f377e0 x28: ffff7000041e6ecc x27: 1fffe00018467c65 [ 55.773438][ T5019] x26: ffff0000ca594000 x25: 00000000fffffff4 x24: ffff0000c233e328 [ 55.774868][ T5019] x23: ffff0000de5c9528 x22: ffff0000de5c94d0 x21: ffff0000cce28000 [ 55.776250][ T5019] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 55.777607][ T5019] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 55.778980][ T5019] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 55.780318][ T5019] x11: 0000000000000000 x10: 0000000000000000 x9 : aa5fa612fa759500 [ 55.781715][ T5019] x8 : aa5fa612fa759500 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.783110][ T5019] x5 : ffff800020f36eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 55.784499][ T5019] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.785817][ T5019] Call trace: [ 55.786376][ T5019] btrfs_commit_transaction+0x1ddc/0x3078 [ 55.787336][ T5019] btrfs_sync_fs+0x628/0xb24 [ 55.788197][ T5019] sync_filesystem+0x1a0/0x218 [ 55.788981][ T5019] btrfs_remount+0x198/0x12b0 [ 55.789819][ T5019] legacy_reconfigure+0xf8/0x110 [ 55.790659][ T5019] reconfigure_super+0x1d4/0x6f4 [ 55.791467][ T5019] path_mount+0xc88/0x1008 [ 55.792257][ T5019] __arm64_sys_mount+0x514/0x5f0 [ 55.793093][ T5019] invoke_syscall+0x98/0x2b0 [ 55.793913][ T5019] el0_svc_common+0x138/0x258 [ 55.794698][ T5019] do_el0_svc+0x58/0x13c [ 55.795438][ T5019] el0_svc+0x78/0x1d0 [ 55.796137][ T5019] el0t_64_sync_handler+0xcc/0xe4 [ 55.796917][ T5019] el0t_64_sync+0x1a0/0x1a4 [ 55.797730][ T5019] irq event stamp: 80836 [ 55.798491][ T5019] hardirqs last enabled at (80835): [] __up_console_sem+0xb4/0xfc [ 55.800227][ T5019] hardirqs last disabled at (80836): [] el1_dbg+0x24/0x80 [ 55.801720][ T5019] softirqs last enabled at (80806): [] handle_softirqs+0xa40/0xbe4 [ 55.803461][ T5019] softirqs last disabled at (80791): [] __irq_exit_rcu+0x240/0x43c [ 55.805099][ T5019] ---[ end trace 1b50fc88e0496863 ]--- [ 55.807523][ T5019] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 55.809064][ T5019] BTRFS info (device loop0): forced readonly [ 55.809992][ T5019] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 55.809992][ T5019] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 56.009795][ T5041] loop0: detected capacity change from 0 to 32768 [ 56.012884][ T5041] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5041) [ 56.017637][ T5041] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 56.020020][ T5041] BTRFS info (device loop0): force clearing of disk cache [ 56.021242][ T5041] BTRFS info (device loop0): setting nodatasum [ 56.022167][ T5041] BTRFS info (device loop0): disabling free space tree [ 56.023510][ T5041] BTRFS info (device loop0): has skinny extents [ 56.036764][ T5041] BTRFS info (device loop0): enabling ssd optimizations [ 56.038515][ T5041] BTRFS info (device loop0): clearing free space tree [ 56.040055][ T5041] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 56.041764][ T5041] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 56.045432][ T5041] BTRFS info (device loop0): checking UUID tree [ 56.049969][ T5041] FAULT_INJECTION: forcing a failure. [ 56.049969][ T5041] name failslab, interval 1, probability 0, space 0, times 0 [ 56.052093][ T5041] CPU: 1 PID: 5041 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.053700][ T5041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.055348][ T5041] Call trace: [ 56.055908][ T5041] dump_backtrace+0x0/0x458 [ 56.056724][ T5041] show_stack+0x2c/0x3c [ 56.057467][ T5041] __dump_stack+0x30/0x40 [ 56.058233][ T5041] dump_stack_lvl+0xf4/0x15c [ 56.058970][ T5041] dump_stack+0x1c/0x5c [ 56.059695][ T5041] should_fail+0x3bc/0x514 [ 56.060457][ T5041] __should_failslab+0xbc/0x10c [ 56.061358][ T5041] should_failslab+0x10/0x28 [ 56.062156][ T5041] slab_pre_alloc_hook+0x64/0xe8 [ 56.063073][ T5041] kmem_cache_alloc+0x94/0x3d4 [ 56.063896][ T5041] btrfs_alloc_path+0x5c/0x68 [ 56.064722][ T5041] __btrfs_run_delayed_items+0x88/0x46c [ 56.065694][ T5041] btrfs_run_delayed_items+0x24/0x34 [ 56.066564][ T5041] btrfs_commit_transaction+0x938/0x3078 [ 56.067525][ T5041] btrfs_sync_fs+0x628/0xb24 [ 56.068314][ T5041] sync_filesystem+0x1a0/0x218 [ 56.069063][ T5041] btrfs_remount+0x198/0x12b0 [ 56.069794][ T5041] legacy_reconfigure+0xf8/0x110 [ 56.070644][ T5041] reconfigure_super+0x1d4/0x6f4 [ 56.071435][ T5041] path_mount+0xc88/0x1008 [ 56.072111][ T5041] __arm64_sys_mount+0x514/0x5f0 [ 56.072958][ T5041] invoke_syscall+0x98/0x2b0 [ 56.073758][ T5041] el0_svc_common+0x138/0x258 [ 56.074556][ T5041] do_el0_svc+0x58/0x13c [ 56.075313][ T5041] el0_svc+0x78/0x1d0 [ 56.075959][ T5041] el0t_64_sync_handler+0xcc/0xe4 [ 56.076878][ T5041] el0t_64_sync+0x1a0/0x1a4 [ 56.078450][ T5041] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 56.080061][ T5041] ------------[ cut here ]------------ [ 56.081072][ T5041] WARNING: CPU: 1 PID: 5041 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 56.082886][ T5041] Modules linked in: [ 56.083590][ T5041] CPU: 1 PID: 5041 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.085110][ T5041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.086828][ T5041] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.088239][ T5041] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 56.089364][ T5041] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 56.090444][ T5041] sp : ffff8000210475a0 [ 56.091145][ T5041] x29: ffff8000210477e0 x28: ffff700004208ecc x27: 1fffe0001ae3d8fd [ 56.092477][ T5041] x26: ffff0000d9934000 x25: 00000000fffffff4 x24: ffff0000d71ec7e8 [ 56.093912][ T5041] x23: ffff0000de5d7688 x22: ffff0000de5d7630 x21: ffff0000ca5fc000 [ 56.095257][ T5041] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 56.096650][ T5041] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 56.098116][ T5041] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 56.099452][ T5041] x11: 0000000000000000 x10: 0000000000000000 x9 : 52dd5ab0bbc11e00 [ 56.100831][ T5041] x8 : 52dd5ab0bbc11e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.102250][ T5041] x5 : ffff800021046eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 56.103574][ T5041] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.104904][ T5041] Call trace: [ 56.105493][ T5041] btrfs_commit_transaction+0x1ddc/0x3078 [ 56.106435][ T5041] btrfs_sync_fs+0x628/0xb24 [ 56.107183][ T5041] sync_filesystem+0x1a0/0x218 [ 56.107910][ T5041] btrfs_remount+0x198/0x12b0 [ 56.108716][ T5041] legacy_reconfigure+0xf8/0x110 [ 56.109546][ T5041] reconfigure_super+0x1d4/0x6f4 [ 56.110370][ T5041] path_mount+0xc88/0x1008 [ 56.111062][ T5041] __arm64_sys_mount+0x514/0x5f0 [ 56.111935][ T5041] invoke_syscall+0x98/0x2b0 [ 56.112687][ T5041] el0_svc_common+0x138/0x258 [ 56.113462][ T5041] do_el0_svc+0x58/0x13c [ 56.114224][ T5041] el0_svc+0x78/0x1d0 [ 56.114938][ T5041] el0t_64_sync_handler+0xcc/0xe4 [ 56.115851][ T5041] el0t_64_sync+0x1a0/0x1a4 [ 56.116641][ T5041] irq event stamp: 81834 [ 56.117359][ T5041] hardirqs last enabled at (81833): [] __up_console_sem+0xb4/0xfc [ 56.118932][ T5041] hardirqs last disabled at (81834): [] el1_dbg+0x24/0x80 [ 56.120489][ T5041] softirqs last enabled at (81814): [] handle_softirqs+0xa40/0xbe4 [ 56.122181][ T5041] softirqs last disabled at (81805): [] __irq_exit_rcu+0x240/0x43c [ 56.123796][ T5041] ---[ end trace 1b50fc88e0496864 ]--- [ 56.124897][ T5041] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 56.126404][ T5041] BTRFS info (device loop0): forced readonly [ 56.127396][ T5041] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 56.127396][ T5041] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 56.309958][ T5063] loop0: detected capacity change from 0 to 32768 [ 56.314227][ T5063] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5063) [ 56.318103][ T5063] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 56.319823][ T5063] BTRFS info (device loop0): force clearing of disk cache [ 56.321082][ T5063] BTRFS info (device loop0): setting nodatasum [ 56.322250][ T5063] BTRFS info (device loop0): disabling free space tree [ 56.323463][ T5063] BTRFS info (device loop0): has skinny extents [ 56.337559][ T5063] BTRFS info (device loop0): enabling ssd optimizations [ 56.339306][ T5063] BTRFS info (device loop0): clearing free space tree [ 56.340511][ T5063] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 56.342275][ T5063] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 56.345966][ T5063] BTRFS info (device loop0): checking UUID tree [ 56.349699][ T5063] FAULT_INJECTION: forcing a failure. [ 56.349699][ T5063] name failslab, interval 1, probability 0, space 0, times 0 [ 56.351878][ T5063] CPU: 0 PID: 5063 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.353492][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.355063][ T5063] Call trace: [ 56.355576][ T5063] dump_backtrace+0x0/0x458 [ 56.356351][ T5063] show_stack+0x2c/0x3c [ 56.357078][ T5063] __dump_stack+0x30/0x40 [ 56.357790][ T5063] dump_stack_lvl+0xf4/0x15c [ 56.358677][ T5063] dump_stack+0x1c/0x5c [ 56.359398][ T5063] should_fail+0x3bc/0x514 [ 56.360159][ T5063] __should_failslab+0xbc/0x10c [ 56.361026][ T5063] should_failslab+0x10/0x28 [ 56.361803][ T5063] slab_pre_alloc_hook+0x64/0xe8 [ 56.362604][ T5063] kmem_cache_alloc+0x94/0x3d4 [ 56.363373][ T5063] btrfs_alloc_path+0x5c/0x68 [ 56.364215][ T5063] __btrfs_run_delayed_items+0x88/0x46c [ 56.365191][ T5063] btrfs_run_delayed_items+0x24/0x34 [ 56.366096][ T5063] btrfs_commit_transaction+0x7e0/0x3078 [ 56.367119][ T5063] btrfs_sync_fs+0x628/0xb24 [ 56.367903][ T5063] sync_filesystem+0x1a0/0x218 [ 56.368803][ T5063] btrfs_remount+0x198/0x12b0 [ 56.369592][ T5063] legacy_reconfigure+0xf8/0x110 [ 56.370449][ T5063] reconfigure_super+0x1d4/0x6f4 [ 56.371288][ T5063] path_mount+0xc88/0x1008 [ 56.372041][ T5063] __arm64_sys_mount+0x514/0x5f0 [ 56.372882][ T5063] invoke_syscall+0x98/0x2b0 [ 56.373705][ T5063] el0_svc_common+0x138/0x258 [ 56.374532][ T5063] do_el0_svc+0x58/0x13c [ 56.375272][ T5063] el0_svc+0x78/0x1d0 [ 56.375967][ T5063] el0t_64_sync_handler+0xcc/0xe4 [ 56.376873][ T5063] el0t_64_sync+0x1a0/0x1a4 [ 56.379735][ T5063] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 56.381036][ T5063] ------------[ cut here ]------------ [ 56.381999][ T5063] WARNING: CPU: 0 PID: 5063 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 56.383598][ T5063] Modules linked in: [ 56.384190][ T5063] CPU: 0 PID: 5063 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.385678][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.387233][ T5063] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.388483][ T5063] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 56.389454][ T5063] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 56.390447][ T5063] sp : ffff8000210575a0 [ 56.391093][ T5063] x29: ffff8000210577e0 x28: ffff70000420aecc x27: 1fffe0001900cc65 [ 56.392467][ T5063] x26: ffff0000d9937000 x25: 00000000fffffff4 x24: ffff0000c8066328 [ 56.393969][ T5063] x23: ffff0000de46e738 x22: ffff0000de46e6e0 x21: ffff0000da290000 [ 56.395396][ T5063] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 56.396689][ T5063] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 56.398156][ T5063] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 56.399477][ T5063] x11: 0000000000000000 x10: 0000000000000000 x9 : 0ddfff68ec13bc00 [ 56.400840][ T5063] x8 : 0ddfff68ec13bc00 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.402135][ T5063] x5 : ffff800021056eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 56.403490][ T5063] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.404821][ T5063] Call trace: [ 56.405333][ T5063] btrfs_commit_transaction+0x1ddc/0x3078 [ 56.406254][ T5063] btrfs_sync_fs+0x628/0xb24 [ 56.407020][ T5063] sync_filesystem+0x1a0/0x218 [ 56.407759][ T5063] btrfs_remount+0x198/0x12b0 [ 56.408533][ T5063] legacy_reconfigure+0xf8/0x110 [ 56.409285][ T5063] reconfigure_super+0x1d4/0x6f4 [ 56.410132][ T5063] path_mount+0xc88/0x1008 [ 56.410878][ T5063] __arm64_sys_mount+0x514/0x5f0 [ 56.411662][ T5063] invoke_syscall+0x98/0x2b0 [ 56.412406][ T5063] el0_svc_common+0x138/0x258 [ 56.413217][ T5063] do_el0_svc+0x58/0x13c [ 56.413895][ T5063] el0_svc+0x78/0x1d0 [ 56.414503][ T5063] el0t_64_sync_handler+0xcc/0xe4 [ 56.415373][ T5063] el0t_64_sync+0x1a0/0x1a4 [ 56.416214][ T5063] irq event stamp: 80510 [ 56.416959][ T5063] hardirqs last enabled at (80509): [] __up_console_sem+0xb4/0xfc [ 56.418626][ T5063] hardirqs last disabled at (80510): [] el1_dbg+0x24/0x80 [ 56.420014][ T5063] softirqs last enabled at (80480): [] handle_softirqs+0xa40/0xbe4 [ 56.421673][ T5063] softirqs last disabled at (80445): [] __irq_exit_rcu+0x240/0x43c [ 56.423242][ T5063] ---[ end trace 1b50fc88e0496865 ]--- [ 56.425221][ T5063] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 56.426931][ T5063] BTRFS info (device loop0): forced readonly [ 56.428086][ T5063] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 56.428086][ T5063] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 56.433894][ T4682] Bluetooth: hci0: command 0x0419 tx timeout [ 56.641854][ T5085] loop0: detected capacity change from 0 to 32768 [ 56.644555][ T5085] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5085) [ 56.648081][ T5085] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 56.649913][ T5085] BTRFS info (device loop0): force clearing of disk cache [ 56.651223][ T5085] BTRFS info (device loop0): setting nodatasum [ 56.652244][ T5085] BTRFS info (device loop0): disabling free space tree [ 56.653419][ T5085] BTRFS info (device loop0): has skinny extents [ 56.662954][ T5085] BTRFS info (device loop0): enabling ssd optimizations [ 56.664646][ T5085] BTRFS info (device loop0): clearing free space tree [ 56.665950][ T5085] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 56.667678][ T5085] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 56.671886][ T5085] BTRFS info (device loop0): checking UUID tree [ 56.674527][ T5085] FAULT_INJECTION: forcing a failure. [ 56.674527][ T5085] name failslab, interval 1, probability 0, space 0, times 0 [ 56.676883][ T5085] CPU: 0 PID: 5085 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.678349][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.680124][ T5085] Call trace: [ 56.680675][ T5085] dump_backtrace+0x0/0x458 [ 56.681484][ T5085] show_stack+0x2c/0x3c [ 56.682300][ T5085] __dump_stack+0x30/0x40 [ 56.683053][ T5085] dump_stack_lvl+0xf4/0x15c [ 56.683825][ T5085] dump_stack+0x1c/0x5c [ 56.684505][ T5085] should_fail+0x3bc/0x514 [ 56.685184][ T5085] __should_failslab+0xbc/0x10c [ 56.686051][ T5085] should_failslab+0x10/0x28 [ 56.686856][ T5085] slab_pre_alloc_hook+0x64/0xe8 [ 56.687661][ T5085] kmem_cache_alloc_trace+0x98/0x3ec [ 56.688505][ T5085] legacy_init_fs_context+0x5c/0xc8 [ 56.689364][ T5085] alloc_fs_context+0x550/0x7c4 [ 56.690164][ T5085] fs_context_for_reconfigure+0x7c/0x94 [ 56.691103][ T5085] path_mount+0xbb8/0x1008 [ 56.691821][ T5085] __arm64_sys_mount+0x514/0x5f0 [ 56.692710][ T5085] invoke_syscall+0x98/0x2b0 [ 56.693479][ T5085] el0_svc_common+0x138/0x258 [ 56.694224][ T5085] do_el0_svc+0x58/0x13c [ 56.694974][ T5085] el0_svc+0x78/0x1d0 [ 56.695743][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 56.696645][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 56.897536][ T5107] loop0: detected capacity change from 0 to 32768 [ 56.900476][ T5107] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5107) [ 56.905062][ T5107] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 56.906650][ T5107] BTRFS info (device loop0): force clearing of disk cache [ 56.907768][ T5107] BTRFS info (device loop0): setting nodatasum [ 56.908704][ T5107] BTRFS info (device loop0): disabling free space tree [ 56.910427][ T5107] BTRFS info (device loop0): has skinny extents [ 56.922931][ T5107] BTRFS info (device loop0): enabling ssd optimizations [ 56.924630][ T5107] BTRFS info (device loop0): clearing free space tree [ 56.925916][ T5107] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 56.927678][ T5107] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 56.931745][ T5107] BTRFS info (device loop0): checking UUID tree [ 56.938260][ T5107] FAULT_INJECTION: forcing a failure. [ 56.938260][ T5107] name failslab, interval 1, probability 0, space 0, times 0 [ 56.940939][ T5107] CPU: 0 PID: 5107 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.942429][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.944157][ T5107] Call trace: [ 56.944716][ T5107] dump_backtrace+0x0/0x458 [ 56.945524][ T5107] show_stack+0x2c/0x3c [ 56.946269][ T5107] __dump_stack+0x30/0x40 [ 56.946992][ T5107] dump_stack_lvl+0xf4/0x15c [ 56.947774][ T5107] dump_stack+0x1c/0x5c [ 56.948470][ T5107] should_fail+0x3bc/0x514 [ 56.949239][ T5107] __should_failslab+0xbc/0x10c [ 56.950039][ T5107] should_failslab+0x10/0x28 [ 56.950912][ T5107] slab_pre_alloc_hook+0x64/0xe8 [ 56.951772][ T5107] kmem_cache_alloc+0x94/0x3d4 [ 56.952534][ T5107] btrfs_alloc_path+0x5c/0x68 [ 56.953374][ T5107] __btrfs_run_delayed_items+0x88/0x46c [ 56.954314][ T5107] btrfs_run_delayed_items+0x24/0x34 [ 56.955190][ T5107] btrfs_commit_transaction+0x7e0/0x3078 [ 56.956138][ T5107] btrfs_sync_fs+0x628/0xb24 [ 56.956890][ T5107] sync_filesystem+0x1a0/0x218 [ 56.957735][ T5107] btrfs_remount+0x198/0x12b0 [ 56.958532][ T5107] legacy_reconfigure+0xf8/0x110 [ 56.959425][ T5107] reconfigure_super+0x1d4/0x6f4 [ 56.960277][ T5107] path_mount+0xc88/0x1008 [ 56.961028][ T5107] __arm64_sys_mount+0x514/0x5f0 [ 56.961870][ T5107] invoke_syscall+0x98/0x2b0 [ 56.962686][ T5107] el0_svc_common+0x138/0x258 [ 56.963514][ T5107] do_el0_svc+0x58/0x13c [ 56.964280][ T5107] el0_svc+0x78/0x1d0 [ 56.964931][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 56.965756][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 56.968205][ T5107] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 56.969676][ T5107] ------------[ cut here ]------------ [ 56.970718][ T5107] WARNING: CPU: 0 PID: 5107 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 56.972509][ T5107] Modules linked in: [ 56.973200][ T5107] CPU: 0 PID: 5107 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.974923][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.976731][ T5107] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.977966][ T5107] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 56.978867][ T5107] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 56.979865][ T5107] sp : ffff800020f375a0 [ 56.980536][ T5107] x29: ffff800020f377e0 x28: ffff7000041e6ecc x27: 1fffe00019add22d [ 56.981903][ T5107] x26: ffff0000cf7fb000 x25: 00000000fffffff4 x24: ffff0000cd6e9168 [ 56.983320][ T5107] x23: ffff0000de46eaa8 x22: ffff0000de46ea50 x21: ffff0000c940c000 [ 56.984746][ T5107] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 56.986103][ T5107] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 56.987533][ T5107] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 56.988929][ T5107] x11: 0000000000000000 x10: 0000000000000000 x9 : 6ff60a30c1b99200 [ 56.990375][ T5107] x8 : 6ff60a30c1b99200 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.991763][ T5107] x5 : ffff800020f36eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 56.993068][ T5107] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.994444][ T5107] Call trace: [ 56.995072][ T5107] btrfs_commit_transaction+0x1ddc/0x3078 [ 56.996100][ T5107] btrfs_sync_fs+0x628/0xb24 [ 56.996915][ T5107] sync_filesystem+0x1a0/0x218 [ 56.997702][ T5107] btrfs_remount+0x198/0x12b0 [ 56.998501][ T5107] legacy_reconfigure+0xf8/0x110 [ 56.999340][ T5107] reconfigure_super+0x1d4/0x6f4 [ 57.000118][ T5107] path_mount+0xc88/0x1008 [ 57.000834][ T5107] __arm64_sys_mount+0x514/0x5f0 [ 57.001642][ T5107] invoke_syscall+0x98/0x2b0 [ 57.002443][ T5107] el0_svc_common+0x138/0x258 [ 57.003203][ T5107] do_el0_svc+0x58/0x13c [ 57.003914][ T5107] el0_svc+0x78/0x1d0 [ 57.004565][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 57.005347][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 57.006134][ T5107] irq event stamp: 80362 [ 57.006873][ T5107] hardirqs last enabled at (80361): [] __up_console_sem+0xb4/0xfc [ 57.008686][ T5107] hardirqs last disabled at (80362): [] el1_dbg+0x24/0x80 [ 57.010188][ T5107] softirqs last enabled at (80342): [] handle_softirqs+0xa40/0xbe4 [ 57.011771][ T5107] softirqs last disabled at (80333): [] __irq_exit_rcu+0x240/0x43c [ 57.013377][ T5107] ---[ end trace 1b50fc88e0496866 ]--- [ 57.014659][ T5107] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 57.016225][ T5107] BTRFS info (device loop0): forced readonly [ 57.017267][ T5107] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 57.017267][ T5107] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 57.205603][ T5129] loop0: detected capacity change from 0 to 32768 [ 57.208352][ T5129] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5129) [ 57.212230][ T5129] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 57.213868][ T5129] BTRFS info (device loop0): force clearing of disk cache [ 57.215113][ T5129] BTRFS info (device loop0): setting nodatasum [ 57.216128][ T5129] BTRFS info (device loop0): disabling free space tree [ 57.237232][ T5129] FAULT_INJECTION: forcing a failure. [ 57.237232][ T5129] name failslab, interval 1, probability 0, space 0, times 0 [ 57.240072][ T5129] CPU: 1 PID: 5129 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.241616][ T5129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.243342][ T5129] Call trace: [ 57.243871][ T5129] dump_backtrace+0x0/0x458 [ 57.244657][ T5129] show_stack+0x2c/0x3c [ 57.245360][ T5129] __dump_stack+0x30/0x40 [ 57.246126][ T5129] dump_stack_lvl+0xf4/0x15c [ 57.246890][ T5129] dump_stack+0x1c/0x5c [ 57.247625][ T5129] should_fail+0x3bc/0x514 [ 57.248334][ T5129] __should_failslab+0xbc/0x10c [ 57.249218][ T5129] should_failslab+0x10/0x28 [ 57.249995][ T5129] slab_pre_alloc_hook+0x64/0xe8 [ 57.250851][ T5129] kmem_cache_alloc+0x94/0x3d4 [ 57.251733][ T5129] btrfs_alloc_path+0x5c/0x68 [ 57.252579][ T5129] __btrfs_run_delayed_items+0x88/0x46c [ 57.253497][ T5129] btrfs_run_delayed_items+0x24/0x34 [ 57.254460][ T5129] btrfs_commit_transaction+0x7e0/0x3078 [ 57.255429][ T5129] btrfs_sync_fs+0x628/0xb24 [ 57.256138][ T5129] sync_filesystem+0x1a0/0x218 [ 57.256917][ T5129] btrfs_remount+0x198/0x12b0 [ 57.257795][ T5129] legacy_reconfigure+0xf8/0x110 [ 57.258620][ T5129] reconfigure_super+0x1d4/0x6f4 [ 57.259420][ T5129] path_mount+0xc88/0x1008 [ 57.260237][ T5129] __arm64_sys_mount+0x514/0x5f0 [ 57.261150][ T5129] invoke_syscall+0x98/0x2b0 [ 57.261954][ T5129] el0_svc_common+0x138/0x258 [ 57.262749][ T5129] do_el0_svc+0x58/0x13c [ 57.263522][ T5129] el0_svc+0x78/0x1d0 [ 57.264146][ T5129] el0t_64_sync_handler+0xcc/0xe4 [ 57.264989][ T5129] el0t_64_sync+0x1a0/0x1a4 [ 57.267113][ T5129] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 57.268469][ T5129] ------------[ cut here ]------------ [ 57.270027][ T5129] WARNING: CPU: 1 PID: 5129 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 57.271772][ T5129] Modules linked in: [ 57.272455][ T5129] CPU: 1 PID: 5129 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.274000][ T5129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.275645][ T5129] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.276825][ T5129] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 57.277854][ T5129] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 57.278825][ T5129] sp : ffff8000211875a0 [ 57.279512][ T5129] x29: ffff8000211877e0 x28: ffff700004230ecc x27: 1fffe0001a233595 [ 57.280803][ T5129] x26: ffff0000d22aa000 x25: 00000000fffffff4 x24: ffff0000d119aca8 [ 57.282268][ T5129] x23: ffff0000de5d7e18 x22: ffff0000de5d7dc0 x21: ffff0000ca5fc000 [ 57.283642][ T5129] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 57.284973][ T5129] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 57.286239][ T5129] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 57.287684][ T5129] x11: 0000000000000000 x10: 0000000000000000 x9 : 42b1c56cbd115700 [ 57.289074][ T5129] x8 : 42b1c56cbd115700 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.290448][ T5129] x5 : ffff800021186eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 57.291789][ T5129] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.293248][ T5129] Call trace: [ 57.293759][ T5129] btrfs_commit_transaction+0x1ddc/0x3078 [ 57.294754][ T5129] btrfs_sync_fs+0x628/0xb24 [ 57.295465][ T5129] sync_filesystem+0x1a0/0x218 [ 57.296285][ T5129] btrfs_remount+0x198/0x12b0 [ 57.297083][ T5129] legacy_reconfigure+0xf8/0x110 [ 57.297883][ T5129] reconfigure_super+0x1d4/0x6f4 [ 57.298762][ T5129] path_mount+0xc88/0x1008 [ 57.299551][ T5129] __arm64_sys_mount+0x514/0x5f0 [ 57.300401][ T5129] invoke_syscall+0x98/0x2b0 [ 57.301225][ T5129] el0_svc_common+0x138/0x258 [ 57.301987][ T5129] do_el0_svc+0x58/0x13c [ 57.302693][ T5129] el0_svc+0x78/0x1d0 [ 57.303398][ T5129] el0t_64_sync_handler+0xcc/0xe4 [ 57.304210][ T5129] el0t_64_sync+0x1a0/0x1a4 [ 57.305017][ T5129] irq event stamp: 80514 [ 57.305728][ T5129] hardirqs last enabled at (80513): [] __up_console_sem+0xb4/0xfc [ 57.307332][ T5129] hardirqs last disabled at (80514): [] el1_dbg+0x24/0x80 [ 57.308847][ T5129] softirqs last enabled at (80502): [] handle_softirqs+0xa40/0xbe4 [ 57.310423][ T5129] softirqs last disabled at (80483): [] __irq_exit_rcu+0x240/0x43c [ 57.312017][ T5129] ---[ end trace 1b50fc88e0496867 ]--- [ 57.314016][ T5129] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 57.315698][ T5129] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 57.315698][ T5129] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 57.508507][ T5151] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5151) [ 57.527325][ T5151] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 57.527325][ T5151] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 57.539629][ T5151] FAULT_INJECTION: forcing a failure. [ 57.539629][ T5151] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 57.541932][ T5151] CPU: 0 PID: 5151 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.543344][ T5151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.544967][ T5151] Call trace: [ 57.545445][ T5151] dump_backtrace+0x0/0x458 [ 57.546114][ T5151] show_stack+0x2c/0x3c [ 57.546721][ T5151] __dump_stack+0x30/0x40 [ 57.547416][ T5151] dump_stack_lvl+0xf4/0x15c [ 57.548129][ T5151] dump_stack+0x1c/0x5c [ 57.548819][ T5151] should_fail+0x3bc/0x514 [ 57.549544][ T5151] should_fail_usercopy+0x20/0x30 [ 57.550386][ T5151] simple_read_from_buffer+0xd0/0x264 [ 57.551312][ T5151] proc_fail_nth_read+0x1a4/0x24c [ 57.552191][ T5151] vfs_read+0x27c/0xa44 [ 57.552940][ T5151] ksys_read+0x12c/0x224 [ 57.553726][ T5151] __arm64_sys_read+0x7c/0x90 [ 57.554521][ T5151] invoke_syscall+0x98/0x2b0 [ 57.555319][ T5151] el0_svc_common+0x138/0x258 [ 57.556130][ T5151] do_el0_svc+0x58/0x13c [ 57.556872][ T5151] el0_svc+0x78/0x1d0 [ 57.557545][ T5151] el0t_64_sync_handler+0xcc/0xe4 [ 57.558364][ T5151] el0t_64_sync+0x1a0/0x1a4 [ 57.746773][ T5173] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5173) [ 57.782467][ T5173] FAULT_INJECTION: forcing a failure. [ 57.782467][ T5173] name failslab, interval 1, probability 0, space 0, times 0 [ 57.784937][ T5173] CPU: 1 PID: 5173 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.786490][ T5173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.788291][ T5173] Call trace: [ 57.788861][ T5173] dump_backtrace+0x0/0x458 [ 57.789650][ T5173] show_stack+0x2c/0x3c [ 57.790365][ T5173] __dump_stack+0x30/0x40 [ 57.791151][ T5173] dump_stack_lvl+0xf4/0x15c [ 57.791883][ T5173] dump_stack+0x1c/0x5c [ 57.792561][ T5173] should_fail+0x3bc/0x514 [ 57.793354][ T5173] __should_failslab+0xbc/0x10c [ 57.794217][ T5173] should_failslab+0x10/0x28 [ 57.794981][ T5173] slab_pre_alloc_hook+0x64/0xe8 [ 57.795834][ T5173] kmem_cache_alloc+0x94/0x3d4 [ 57.796724][ T5173] btrfs_alloc_path+0x5c/0x68 [ 57.797509][ T5173] __btrfs_run_delayed_items+0x88/0x46c [ 57.798465][ T5173] btrfs_run_delayed_items+0x24/0x34 [ 57.799423][ T5173] btrfs_commit_transaction+0x7e0/0x3078 [ 57.800352][ T5173] btrfs_sync_fs+0x628/0xb24 [ 57.801064][ T5173] sync_filesystem+0x1a0/0x218 [ 57.801846][ T5173] btrfs_remount+0x198/0x12b0 [ 57.802607][ T5173] legacy_reconfigure+0xf8/0x110 [ 57.803450][ T5173] reconfigure_super+0x1d4/0x6f4 [ 57.804261][ T5173] path_mount+0xc88/0x1008 [ 57.805025][ T5173] __arm64_sys_mount+0x514/0x5f0 [ 57.805841][ T5173] invoke_syscall+0x98/0x2b0 [ 57.806598][ T5173] el0_svc_common+0x138/0x258 [ 57.807432][ T5173] do_el0_svc+0x58/0x13c [ 57.808181][ T5173] el0_svc+0x78/0x1d0 [ 57.808906][ T5173] el0t_64_sync_handler+0xcc/0xe4 [ 57.809798][ T5173] el0t_64_sync+0x1a0/0x1a4 [ 57.813077][ T5173] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 57.814610][ T5173] ------------[ cut here ]------------ [ 57.815611][ T5173] WARNING: CPU: 1 PID: 5173 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 57.817320][ T5173] Modules linked in: [ 57.818032][ T5173] CPU: 1 PID: 5173 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.819594][ T5173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.821336][ T5173] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.822712][ T5173] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 57.823775][ T5173] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 57.824879][ T5173] sp : ffff8000217175a0 [ 57.825603][ T5173] x29: ffff8000217177e0 x28: ffff7000042e2ecc x27: 1fffe0001a9a5c65 [ 57.826995][ T5173] x26: ffff0000d22af000 x25: 00000000fffffff4 x24: ffff0000d4d2e328 [ 57.828365][ T5173] x23: ffff0000de5d7898 x22: ffff0000de5d7840 x21: ffff0000dbab0000 [ 57.829725][ T5173] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 57.831083][ T5173] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 57.832366][ T5173] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 57.833769][ T5173] x11: 0000000000000000 x10: 0000000000000000 x9 : 12074c1e26f5a500 [ 57.835141][ T5173] x8 : 12074c1e26f5a500 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.836558][ T5173] x5 : ffff800021716eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 57.837861][ T5173] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.839172][ T5173] Call trace: [ 57.839703][ T5173] btrfs_commit_transaction+0x1ddc/0x3078 [ 57.840711][ T5173] btrfs_sync_fs+0x628/0xb24 [ 57.841488][ T5173] sync_filesystem+0x1a0/0x218 [ 57.842260][ T5173] btrfs_remount+0x198/0x12b0 [ 57.843003][ T5173] legacy_reconfigure+0xf8/0x110 [ 57.843836][ T5173] reconfigure_super+0x1d4/0x6f4 [ 57.844689][ T5173] path_mount+0xc88/0x1008 [ 57.845467][ T5173] __arm64_sys_mount+0x514/0x5f0 [ 57.846337][ T5173] invoke_syscall+0x98/0x2b0 [ 57.847138][ T5173] el0_svc_common+0x138/0x258 [ 57.847967][ T5173] do_el0_svc+0x58/0x13c [ 57.848677][ T5173] el0_svc+0x78/0x1d0 [ 57.849320][ T5173] el0t_64_sync_handler+0xcc/0xe4 [ 57.850160][ T5173] el0t_64_sync+0x1a0/0x1a4 [ 57.850875][ T5173] irq event stamp: 81364 [ 57.851566][ T5173] hardirqs last enabled at (81363): [] __up_console_sem+0xb4/0xfc [ 57.853285][ T5173] hardirqs last disabled at (81364): [] el1_dbg+0x24/0x80 [ 57.854767][ T5173] softirqs last enabled at (81330): [] handle_softirqs+0xa40/0xbe4 [ 57.856397][ T5173] softirqs last disabled at (81241): [] __irq_exit_rcu+0x240/0x43c [ 57.858034][ T5173] ---[ end trace 1b50fc88e0496868 ]--- [ 57.860042][ T5173] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 57.861652][ T5173] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 57.861652][ T5173] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 58.041840][ T5195] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5195) [ 58.069065][ T5195] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 58.069065][ T5195] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 58.074222][ T5195] FAULT_INJECTION: forcing a failure. [ 58.074222][ T5195] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 58.076692][ T5195] CPU: 1 PID: 5195 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.078218][ T5195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.079970][ T5195] Call trace: [ 58.080530][ T5195] dump_backtrace+0x0/0x458 [ 58.081267][ T5195] show_stack+0x2c/0x3c [ 58.081995][ T5195] __dump_stack+0x30/0x40 [ 58.082749][ T5195] dump_stack_lvl+0xf4/0x15c [ 58.083576][ T5195] dump_stack+0x1c/0x5c [ 58.084280][ T5195] should_fail+0x3bc/0x514 [ 58.085023][ T5195] should_fail_usercopy+0x20/0x30 [ 58.085874][ T5195] simple_read_from_buffer+0xd0/0x264 [ 58.086822][ T5195] proc_fail_nth_read+0x1a4/0x24c [ 58.087680][ T5195] vfs_read+0x27c/0xa44 [ 58.088341][ T5195] ksys_read+0x12c/0x224 [ 58.089043][ T5195] __arm64_sys_read+0x7c/0x90 [ 58.089889][ T5195] invoke_syscall+0x98/0x2b0 [ 58.090655][ T5195] el0_svc_common+0x138/0x258 [ 58.091492][ T5195] do_el0_svc+0x58/0x13c [ 58.092258][ T5195] el0_svc+0x78/0x1d0 [ 58.092894][ T5195] el0t_64_sync_handler+0xcc/0xe4 [ 58.093704][ T5195] el0t_64_sync+0x1a0/0x1a4 [ 58.283700][ T5217] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5217) [ 58.300352][ T5217] FAULT_INJECTION: forcing a failure. [ 58.300352][ T5217] name failslab, interval 1, probability 0, space 0, times 0 [ 58.302786][ T5217] CPU: 1 PID: 5217 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.304281][ T5217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.306018][ T5217] Call trace: [ 58.306574][ T5217] dump_backtrace+0x0/0x458 [ 58.307279][ T5217] show_stack+0x2c/0x3c [ 58.307972][ T5217] __dump_stack+0x30/0x40 [ 58.308704][ T5217] dump_stack_lvl+0xf4/0x15c [ 58.309474][ T5217] dump_stack+0x1c/0x5c [ 58.310124][ T5217] should_fail+0x3bc/0x514 [ 58.310816][ T5217] __should_failslab+0xbc/0x10c [ 58.311677][ T5217] should_failslab+0x10/0x28 [ 58.312456][ T5217] slab_pre_alloc_hook+0x64/0xe8 [ 58.313222][ T5217] kmem_cache_alloc+0x94/0x3d4 [ 58.313959][ T5217] btrfs_alloc_path+0x5c/0x68 [ 58.314752][ T5217] __btrfs_run_delayed_items+0x88/0x46c [ 58.315829][ T5217] btrfs_run_delayed_items+0x24/0x34 [ 58.316766][ T5217] btrfs_commit_transaction+0x7e0/0x3078 [ 58.317744][ T5217] btrfs_sync_fs+0x628/0xb24 [ 58.318535][ T5217] sync_filesystem+0x1a0/0x218 [ 58.319295][ T5217] btrfs_remount+0x198/0x12b0 [ 58.320085][ T5217] legacy_reconfigure+0xf8/0x110 [ 58.320939][ T5217] reconfigure_super+0x1d4/0x6f4 [ 58.321766][ T5217] path_mount+0xc88/0x1008 [ 58.322503][ T5217] __arm64_sys_mount+0x514/0x5f0 [ 58.323328][ T5217] invoke_syscall+0x98/0x2b0 [ 58.324171][ T5217] el0_svc_common+0x138/0x258 [ 58.324993][ T5217] do_el0_svc+0x58/0x13c [ 58.325668][ T5217] el0_svc+0x78/0x1d0 [ 58.326320][ T5217] el0t_64_sync_handler+0xcc/0xe4 [ 58.327181][ T5217] el0t_64_sync+0x1a0/0x1a4 [ 58.328528][ T5217] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 58.330306][ T5217] ------------[ cut here ]------------ [ 58.331365][ T5217] WARNING: CPU: 1 PID: 5217 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 58.332981][ T5217] Modules linked in: [ 58.333605][ T5217] CPU: 1 PID: 5217 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.335136][ T5217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.336968][ T5217] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.338269][ T5217] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 58.339353][ T5217] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 58.340392][ T5217] sp : ffff8000217175a0 [ 58.341109][ T5217] x29: ffff8000217177e0 x28: ffff7000042e2ecc x27: 1fffe0001af4b8fd [ 58.342512][ T5217] x26: ffff0000c7799000 x25: 00000000fffffff4 x24: ffff0000d7a5c7e8 [ 58.343835][ T5217] x23: ffff0000de5b3108 x22: ffff0000de5b30b0 x21: ffff0000d21d4000 [ 58.345189][ T5217] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 58.346609][ T5217] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 58.347913][ T5217] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 58.349267][ T5217] x11: 0000000000000000 x10: 0000000000000000 x9 : 2834b4b7fe381c00 [ 58.350666][ T5217] x8 : 2834b4b7fe381c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.352072][ T5217] x5 : ffff800021716eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 58.353439][ T5217] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.354747][ T5217] Call trace: [ 58.355277][ T5217] btrfs_commit_transaction+0x1ddc/0x3078 [ 58.356253][ T5217] btrfs_sync_fs+0x628/0xb24 [ 58.357046][ T5217] sync_filesystem+0x1a0/0x218 [ 58.357841][ T5217] btrfs_remount+0x198/0x12b0 [ 58.358540][ T5217] legacy_reconfigure+0xf8/0x110 [ 58.359326][ T5217] reconfigure_super+0x1d4/0x6f4 [ 58.360164][ T5217] path_mount+0xc88/0x1008 [ 58.360890][ T5217] __arm64_sys_mount+0x514/0x5f0 [ 58.361640][ T5217] invoke_syscall+0x98/0x2b0 [ 58.362405][ T5217] el0_svc_common+0x138/0x258 [ 58.363209][ T5217] do_el0_svc+0x58/0x13c [ 58.363959][ T5217] el0_svc+0x78/0x1d0 [ 58.364672][ T5217] el0t_64_sync_handler+0xcc/0xe4 [ 58.365498][ T5217] el0t_64_sync+0x1a0/0x1a4 [ 58.366261][ T5217] irq event stamp: 80446 [ 58.366934][ T5217] hardirqs last enabled at (80445): [] __up_console_sem+0xb4/0xfc [ 58.368610][ T5217] hardirqs last disabled at (80446): [] el1_dbg+0x24/0x80 [ 58.370172][ T5217] softirqs last enabled at (80426): [] handle_softirqs+0xa40/0xbe4 [ 58.371859][ T5217] softirqs last disabled at (80285): [] __irq_exit_rcu+0x240/0x43c [ 58.373458][ T5217] ---[ end trace 1b50fc88e0496869 ]--- [ 58.374655][ T5217] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 58.376297][ T5217] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 58.376297][ T5217] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' 1970/01/01 00:00:58 executed programs: 31 [ 58.565336][ T5239] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5239) [ 58.591637][ T5239] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 58.591637][ T5239] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 58.596799][ T5239] FAULT_INJECTION: forcing a failure. [ 58.596799][ T5239] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 58.599347][ T5239] CPU: 1 PID: 5239 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.600730][ T5239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.602435][ T5239] Call trace: [ 58.602947][ T5239] dump_backtrace+0x0/0x458 [ 58.603719][ T5239] show_stack+0x2c/0x3c [ 58.604450][ T5239] __dump_stack+0x30/0x40 [ 58.605176][ T5239] dump_stack_lvl+0xf4/0x15c [ 58.605948][ T5239] dump_stack+0x1c/0x5c [ 58.606605][ T5239] should_fail+0x3bc/0x514 [ 58.607418][ T5239] should_fail_usercopy+0x20/0x30 [ 58.608230][ T5239] kstrtouint_from_user+0xe0/0x30c [ 58.609062][ T5239] proc_fail_nth_write+0x9c/0x244 [ 58.609896][ T5239] vfs_write+0x284/0xa60 [ 58.610558][ T5239] ksys_write+0x12c/0x224 [ 58.611235][ T5239] __arm64_sys_write+0x7c/0x90 [ 58.611978][ T5239] invoke_syscall+0x98/0x2b0 [ 58.612717][ T5239] el0_svc_common+0x138/0x258 [ 58.613549][ T5239] do_el0_svc+0x58/0x13c [ 58.614310][ T5239] el0_svc+0x78/0x1d0 [ 58.614915][ T5239] el0t_64_sync_handler+0xcc/0xe4 [ 58.615775][ T5239] el0t_64_sync+0x1a0/0x1a4 [ 58.808039][ T5261] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5261) [ 58.825672][ T5261] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 58.825672][ T5261] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 58.830651][ T5261] FAULT_INJECTION: forcing a failure. [ 58.830651][ T5261] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 58.833014][ T5261] CPU: 0 PID: 5261 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.834505][ T5261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.836218][ T5261] Call trace: [ 58.836839][ T5261] dump_backtrace+0x0/0x458 [ 58.837622][ T5261] show_stack+0x2c/0x3c [ 58.838356][ T5261] __dump_stack+0x30/0x40 [ 58.839090][ T5261] dump_stack_lvl+0xf4/0x15c [ 58.839838][ T5261] dump_stack+0x1c/0x5c [ 58.840526][ T5261] should_fail+0x3bc/0x514 [ 58.841252][ T5261] should_fail_usercopy+0x20/0x30 [ 58.842099][ T5261] simple_read_from_buffer+0xd0/0x264 [ 58.843010][ T5261] proc_fail_nth_read+0x1a4/0x24c [ 58.843847][ T5261] vfs_read+0x27c/0xa44 [ 58.844565][ T5261] ksys_read+0x12c/0x224 [ 58.845298][ T5261] __arm64_sys_read+0x7c/0x90 [ 58.846101][ T5261] invoke_syscall+0x98/0x2b0 [ 58.846894][ T5261] el0_svc_common+0x138/0x258 [ 58.847716][ T5261] do_el0_svc+0x58/0x13c [ 58.848434][ T5261] el0_svc+0x78/0x1d0 [ 58.849176][ T5261] el0t_64_sync_handler+0xcc/0xe4 [ 58.850137][ T5261] el0t_64_sync+0x1a0/0x1a4 [ 59.047845][ T5283] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5283) [ 59.072564][ T5283] FAULT_INJECTION: forcing a failure. [ 59.072564][ T5283] name failslab, interval 1, probability 0, space 0, times 0 [ 59.074728][ T5283] CPU: 1 PID: 5283 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.076221][ T5283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.077990][ T5283] Call trace: [ 59.078496][ T5283] dump_backtrace+0x0/0x458 [ 59.079299][ T5283] show_stack+0x2c/0x3c [ 59.079964][ T5283] __dump_stack+0x30/0x40 [ 59.080774][ T5283] dump_stack_lvl+0xf4/0x15c [ 59.081522][ T5283] dump_stack+0x1c/0x5c [ 59.082287][ T5283] should_fail+0x3bc/0x514 [ 59.082968][ T5283] __should_failslab+0xbc/0x10c [ 59.083705][ T5283] should_failslab+0x10/0x28 [ 59.084527][ T5283] slab_pre_alloc_hook+0x64/0xe8 [ 59.085397][ T5283] kmem_cache_alloc+0x94/0x3d4 [ 59.086246][ T5283] btrfs_alloc_path+0x5c/0x68 [ 59.087067][ T5283] __btrfs_run_delayed_items+0x88/0x46c [ 59.088072][ T5283] btrfs_run_delayed_items+0x24/0x34 [ 59.089026][ T5283] btrfs_commit_transaction+0x938/0x3078 [ 59.089930][ T5283] btrfs_sync_fs+0x628/0xb24 [ 59.090739][ T5283] sync_filesystem+0x1a0/0x218 [ 59.091612][ T5283] btrfs_remount+0x198/0x12b0 [ 59.092406][ T5283] legacy_reconfigure+0xf8/0x110 [ 59.093241][ T5283] reconfigure_super+0x1d4/0x6f4 [ 59.094089][ T5283] path_mount+0xc88/0x1008 [ 59.094823][ T5283] __arm64_sys_mount+0x514/0x5f0 [ 59.095716][ T5283] invoke_syscall+0x98/0x2b0 [ 59.096549][ T5283] el0_svc_common+0x138/0x258 [ 59.097400][ T5283] do_el0_svc+0x58/0x13c [ 59.098147][ T5283] el0_svc+0x78/0x1d0 [ 59.098865][ T5283] el0t_64_sync_handler+0xcc/0xe4 [ 59.099699][ T5283] el0t_64_sync+0x1a0/0x1a4 [ 59.100616][ T5283] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 59.103333][ T5283] ------------[ cut here ]------------ [ 59.104323][ T5283] WARNING: CPU: 1 PID: 5283 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 59.106024][ T5283] Modules linked in: [ 59.106661][ T5283] CPU: 1 PID: 5283 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.108045][ T5283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.109595][ T5283] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.110819][ T5283] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 59.111788][ T5283] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 59.112822][ T5283] sp : ffff8000220975a0 [ 59.113560][ T5283] x29: ffff8000220977e0 x28: ffff700004412ecc x27: 1fffe0001a76a8fd [ 59.114909][ T5283] x26: ffff0000d8eb7000 x25: 00000000fffffff4 x24: ffff0000d3b547e8 [ 59.116344][ T5283] x23: ffff0000de5b35d8 x22: ffff0000de5b3580 x21: ffff0000cb5c8000 [ 59.117639][ T5283] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 59.119056][ T5283] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 59.120471][ T5283] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 59.121941][ T5283] x11: 0000000000000000 x10: 0000000000000000 x9 : e2642a9347090b00 [ 59.123409][ T5283] x8 : e2642a9347090b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.124762][ T5283] x5 : ffff800022096eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 59.126215][ T5283] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.127694][ T5283] Call trace: [ 59.128261][ T5283] btrfs_commit_transaction+0x1ddc/0x3078 [ 59.129195][ T5283] btrfs_sync_fs+0x628/0xb24 [ 59.129921][ T5283] sync_filesystem+0x1a0/0x218 [ 59.130708][ T5283] btrfs_remount+0x198/0x12b0 [ 59.131504][ T5283] legacy_reconfigure+0xf8/0x110 [ 59.132380][ T5283] reconfigure_super+0x1d4/0x6f4 [ 59.133219][ T5283] path_mount+0xc88/0x1008 [ 59.133868][ T5283] __arm64_sys_mount+0x514/0x5f0 [ 59.134660][ T5283] invoke_syscall+0x98/0x2b0 [ 59.135408][ T5283] el0_svc_common+0x138/0x258 [ 59.136236][ T5283] do_el0_svc+0x58/0x13c [ 59.136874][ T5283] el0_svc+0x78/0x1d0 [ 59.137512][ T5283] el0t_64_sync_handler+0xcc/0xe4 [ 59.138278][ T5283] el0t_64_sync+0x1a0/0x1a4 [ 59.138974][ T5283] irq event stamp: 80894 [ 59.139743][ T5283] hardirqs last enabled at (80893): [] __up_console_sem+0xb4/0xfc [ 59.141391][ T5283] hardirqs last disabled at (80894): [] el1_dbg+0x24/0x80 [ 59.142802][ T5283] softirqs last enabled at (80860): [] handle_softirqs+0xa40/0xbe4 [ 59.144367][ T5283] softirqs last disabled at (80839): [] __irq_exit_rcu+0x240/0x43c [ 59.145883][ T5283] ---[ end trace 1b50fc88e049686a ]--- [ 59.147306][ T5283] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 59.148894][ T5283] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 59.148894][ T5283] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 59.356086][ T5305] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5305) [ 59.376899][ T5305] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 59.376899][ T5305] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 59.382796][ T5305] FAULT_INJECTION: forcing a failure. [ 59.382796][ T5305] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 59.385115][ T5305] CPU: 1 PID: 5305 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.386447][ T5305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.388011][ T5305] Call trace: [ 59.388550][ T5305] dump_backtrace+0x0/0x458 [ 59.389254][ T5305] show_stack+0x2c/0x3c [ 59.389898][ T5305] __dump_stack+0x30/0x40 [ 59.390592][ T5305] dump_stack_lvl+0xf4/0x15c [ 59.391289][ T5305] dump_stack+0x1c/0x5c [ 59.391939][ T5305] should_fail+0x3bc/0x514 [ 59.392621][ T5305] should_fail_usercopy+0x20/0x30 [ 59.393387][ T5305] kstrtouint_from_user+0xe0/0x30c [ 59.394170][ T5305] proc_fail_nth_write+0x9c/0x244 [ 59.394962][ T5305] vfs_write+0x284/0xa60 [ 59.395654][ T5305] ksys_write+0x12c/0x224 [ 59.396400][ T5305] __arm64_sys_write+0x7c/0x90 [ 59.397184][ T5305] invoke_syscall+0x98/0x2b0 [ 59.397968][ T5305] el0_svc_common+0x138/0x258 [ 59.398724][ T5305] do_el0_svc+0x58/0x13c [ 59.399487][ T5305] el0_svc+0x78/0x1d0 [ 59.400142][ T5305] el0t_64_sync_handler+0xcc/0xe4 [ 59.400981][ T5305] el0t_64_sync+0x1a0/0x1a4 [ 59.605523][ T5327] set_capacity_and_notify: 8 callbacks suppressed [ 59.605532][ T5327] loop0: detected capacity change from 0 to 32768 [ 59.613222][ T5327] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5327) [ 59.617823][ T5327] btrfs_printk: 90 callbacks suppressed [ 59.617830][ T5327] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 59.620510][ T5327] BTRFS info (device loop0): force clearing of disk cache [ 59.621767][ T5327] BTRFS info (device loop0): setting nodatasum [ 59.622782][ T5327] BTRFS info (device loop0): disabling free space tree [ 59.623983][ T5327] BTRFS info (device loop0): has skinny extents [ 59.632562][ T5327] BTRFS info (device loop0): enabling ssd optimizations [ 59.634151][ T5327] BTRFS info (device loop0): clearing free space tree [ 59.635455][ T5327] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 59.637332][ T5327] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 59.642031][ T5327] BTRFS info (device loop0): checking UUID tree [ 59.645174][ T5327] FAULT_INJECTION: forcing a failure. [ 59.645174][ T5327] name failslab, interval 1, probability 0, space 0, times 0 [ 59.647377][ T5327] CPU: 1 PID: 5327 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.648882][ T5327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.650613][ T5327] Call trace: [ 59.651141][ T5327] dump_backtrace+0x0/0x458 [ 59.651885][ T5327] show_stack+0x2c/0x3c [ 59.652555][ T5327] __dump_stack+0x30/0x40 [ 59.653219][ T5327] dump_stack_lvl+0xf4/0x15c [ 59.653961][ T5327] dump_stack+0x1c/0x5c [ 59.654699][ T5327] should_fail+0x3bc/0x514 [ 59.655470][ T5327] __should_failslab+0xbc/0x10c [ 59.656318][ T5327] should_failslab+0x10/0x28 [ 59.657064][ T5327] slab_pre_alloc_hook+0x64/0xe8 [ 59.657931][ T5327] kmem_cache_alloc+0x94/0x3d4 [ 59.658723][ T5327] btrfs_alloc_path+0x5c/0x68 [ 59.659472][ T5327] __btrfs_run_delayed_items+0x88/0x46c [ 59.660432][ T5327] btrfs_run_delayed_items+0x24/0x34 [ 59.661294][ T5327] btrfs_commit_transaction+0x7e0/0x3078 [ 59.662280][ T5327] btrfs_sync_fs+0x628/0xb24 [ 59.663066][ T5327] sync_filesystem+0x1a0/0x218 [ 59.663861][ T5327] btrfs_remount+0x198/0x12b0 [ 59.664679][ T5327] legacy_reconfigure+0xf8/0x110 [ 59.665519][ T5327] reconfigure_super+0x1d4/0x6f4 [ 59.666346][ T5327] path_mount+0xc88/0x1008 [ 59.667133][ T5327] __arm64_sys_mount+0x514/0x5f0 [ 59.667965][ T5327] invoke_syscall+0x98/0x2b0 [ 59.668805][ T5327] el0_svc_common+0x138/0x258 [ 59.669545][ T5327] do_el0_svc+0x58/0x13c [ 59.670100][ T5327] el0_svc+0x78/0x1d0 [ 59.670705][ T5327] el0t_64_sync_handler+0xcc/0xe4 [ 59.671559][ T5327] el0t_64_sync+0x1a0/0x1a4 [ 59.673222][ T5327] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 59.674756][ T5327] ------------[ cut here ]------------ [ 59.675752][ T5327] WARNING: CPU: 1 PID: 5327 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 59.677422][ T5327] Modules linked in: [ 59.678039][ T5327] CPU: 1 PID: 5327 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.679429][ T5327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.681141][ T5327] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.682541][ T5327] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 59.683558][ T5327] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 59.684722][ T5327] sp : ffff8000222575a0 [ 59.685351][ T5327] x29: ffff8000222577e0 x28: ffff70000444aecc x27: 1fffe0001b181595 [ 59.686621][ T5327] x26: ffff0000c2b14000 x25: 00000000fffffff4 x24: ffff0000d8c0aca8 [ 59.688006][ T5327] x23: ffff0000de5b3aa8 x22: ffff0000de5b3a50 x21: ffff0000cc638000 [ 59.689477][ T5327] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 59.690831][ T5327] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 59.692207][ T5327] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 59.693706][ T5327] x11: 0000000000000000 x10: 0000000000000000 x9 : 01a3054c24073d00 [ 59.695128][ T5327] x8 : 01a3054c24073d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.696634][ T5327] x5 : ffff800022256eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 59.698002][ T5327] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.699289][ T5327] Call trace: [ 59.699810][ T5327] btrfs_commit_transaction+0x1ddc/0x3078 [ 59.700819][ T5327] btrfs_sync_fs+0x628/0xb24 [ 59.701529][ T5327] sync_filesystem+0x1a0/0x218 [ 59.702311][ T5327] btrfs_remount+0x198/0x12b0 [ 59.703117][ T5327] legacy_reconfigure+0xf8/0x110 [ 59.703911][ T5327] reconfigure_super+0x1d4/0x6f4 [ 59.704687][ T5327] path_mount+0xc88/0x1008 [ 59.705455][ T5327] __arm64_sys_mount+0x514/0x5f0 [ 59.706314][ T5327] invoke_syscall+0x98/0x2b0 [ 59.707034][ T5327] el0_svc_common+0x138/0x258 [ 59.707774][ T5327] do_el0_svc+0x58/0x13c [ 59.708483][ T5327] el0_svc+0x78/0x1d0 [ 59.709114][ T5327] el0t_64_sync_handler+0xcc/0xe4 [ 59.709931][ T5327] el0t_64_sync+0x1a0/0x1a4 [ 59.710658][ T5327] irq event stamp: 80650 [ 59.711366][ T5327] hardirqs last enabled at (80649): [] __up_console_sem+0xb4/0xfc [ 59.712983][ T5327] hardirqs last disabled at (80650): [] el1_dbg+0x24/0x80 [ 59.714392][ T5327] softirqs last enabled at (80616): [] handle_softirqs+0xa40/0xbe4 [ 59.715974][ T5327] softirqs last disabled at (80519): [] __irq_exit_rcu+0x240/0x43c [ 59.717615][ T5327] ---[ end trace 1b50fc88e049686b ]--- [ 59.719077][ T5327] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 59.720444][ T5327] BTRFS info (device loop0): forced readonly [ 59.721389][ T5327] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 59.721389][ T5327] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 59.904101][ T5349] loop0: detected capacity change from 0 to 32768 [ 59.906652][ T5349] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5349) [ 59.911271][ T5349] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 59.913115][ T5349] BTRFS info (device loop0): force clearing of disk cache [ 59.914310][ T5349] BTRFS info (device loop0): setting nodatasum [ 59.915334][ T5349] BTRFS info (device loop0): disabling free space tree [ 59.916488][ T5349] BTRFS info (device loop0): has skinny extents [ 59.931838][ T5349] BTRFS info (device loop0): enabling ssd optimizations [ 59.933620][ T5349] BTRFS info (device loop0): clearing free space tree [ 59.934883][ T5349] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 59.936505][ T5349] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 59.941708][ T5349] BTRFS info (device loop0): checking UUID tree [ 59.944356][ T5349] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 59.944356][ T5349] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 59.950154][ T5349] FAULT_INJECTION: forcing a failure. [ 59.950154][ T5349] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 59.952377][ T5349] CPU: 0 PID: 5349 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.953898][ T5349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.955613][ T5349] Call trace: [ 59.956187][ T5349] dump_backtrace+0x0/0x458 [ 59.956915][ T5349] show_stack+0x2c/0x3c [ 59.957618][ T5349] __dump_stack+0x30/0x40 [ 59.958370][ T5349] dump_stack_lvl+0xf4/0x15c [ 59.959255][ T5349] dump_stack+0x1c/0x5c [ 59.959910][ T5349] should_fail+0x3bc/0x514 [ 59.960559][ T5349] should_fail_usercopy+0x20/0x30 [ 59.961252][ T5349] simple_read_from_buffer+0xd0/0x264 [ 59.962143][ T5349] proc_fail_nth_read+0x1a4/0x24c [ 59.963071][ T5349] vfs_read+0x27c/0xa44 [ 59.963812][ T5349] ksys_read+0x12c/0x224 [ 59.964523][ T5349] __arm64_sys_read+0x7c/0x90 [ 59.965306][ T5349] invoke_syscall+0x98/0x2b0 [ 59.966063][ T5349] el0_svc_common+0x138/0x258 [ 59.966873][ T5349] do_el0_svc+0x58/0x13c [ 59.967573][ T5349] el0_svc+0x78/0x1d0 [ 59.968244][ T5349] el0t_64_sync_handler+0xcc/0xe4 [ 59.969134][ T5349] el0t_64_sync+0x1a0/0x1a4 [ 60.157433][ T5371] loop0: detected capacity change from 0 to 32768 [ 60.160592][ T5371] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5371) [ 60.164565][ T5371] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 60.166801][ T5371] BTRFS info (device loop0): force clearing of disk cache [ 60.168072][ T5371] BTRFS info (device loop0): setting nodatasum [ 60.169724][ T5371] BTRFS info (device loop0): disabling free space tree [ 60.171002][ T5371] BTRFS info (device loop0): has skinny extents [ 60.182619][ T5371] BTRFS info (device loop0): enabling ssd optimizations [ 60.184312][ T5371] BTRFS info (device loop0): clearing free space tree [ 60.185531][ T5371] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 60.187223][ T5371] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 60.191083][ T5371] BTRFS info (device loop0): checking UUID tree [ 60.195916][ T5371] FAULT_INJECTION: forcing a failure. [ 60.195916][ T5371] name failslab, interval 1, probability 0, space 0, times 0 [ 60.197983][ T5371] CPU: 1 PID: 5371 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.199571][ T5371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.201407][ T5371] Call trace: [ 60.201999][ T5371] dump_backtrace+0x0/0x458 [ 60.202803][ T5371] show_stack+0x2c/0x3c [ 60.203522][ T5371] __dump_stack+0x30/0x40 [ 60.204242][ T5371] dump_stack_lvl+0xf4/0x15c [ 60.205032][ T5371] dump_stack+0x1c/0x5c [ 60.205781][ T5371] should_fail+0x3bc/0x514 [ 60.206460][ T5371] __should_failslab+0xbc/0x10c [ 60.207241][ T5371] should_failslab+0x10/0x28 [ 60.207962][ T5371] slab_pre_alloc_hook+0x64/0xe8 [ 60.208743][ T5371] kmem_cache_alloc+0x94/0x3d4 [ 60.209464][ T5371] btrfs_alloc_path+0x5c/0x68 [ 60.210204][ T5371] __btrfs_run_delayed_items+0x88/0x46c [ 60.211087][ T5371] btrfs_run_delayed_items+0x24/0x34 [ 60.211879][ T5371] btrfs_commit_transaction+0x7e0/0x3078 [ 60.212851][ T5371] btrfs_sync_fs+0x628/0xb24 [ 60.213631][ T5371] sync_filesystem+0x1a0/0x218 [ 60.214407][ T5371] btrfs_remount+0x198/0x12b0 [ 60.215167][ T5371] legacy_reconfigure+0xf8/0x110 [ 60.215985][ T5371] reconfigure_super+0x1d4/0x6f4 [ 60.216881][ T5371] path_mount+0xc88/0x1008 [ 60.217669][ T5371] __arm64_sys_mount+0x514/0x5f0 [ 60.218558][ T5371] invoke_syscall+0x98/0x2b0 [ 60.219367][ T5371] el0_svc_common+0x138/0x258 [ 60.220144][ T5371] do_el0_svc+0x58/0x13c [ 60.220791][ T5371] el0_svc+0x78/0x1d0 [ 60.221412][ T5371] el0t_64_sync_handler+0xcc/0xe4 [ 60.222141][ T5371] el0t_64_sync+0x1a0/0x1a4 [ 60.224267][ T5371] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 60.225739][ T5371] ------------[ cut here ]------------ [ 60.226803][ T5371] WARNING: CPU: 1 PID: 5371 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 60.228457][ T5371] Modules linked in: [ 60.229149][ T5371] CPU: 1 PID: 5371 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.230687][ T5371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.232262][ T5371] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.233446][ T5371] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 60.234356][ T5371] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 60.235278][ T5371] sp : ffff8000225a75a0 [ 60.235921][ T5371] x29: ffff8000225a77e0 x28: ffff7000044b4ecc x27: 1fffe000192298fd [ 60.237135][ T5371] x26: ffff0000c9117000 x25: 00000000fffffff4 x24: ffff0000c914c7e8 [ 60.238350][ T5371] x23: ffff0000de5b3cb8 x22: ffff0000de5b3c60 x21: ffff0000cc638000 [ 60.239621][ T5371] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 60.240943][ T5371] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 60.242210][ T5371] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 60.243466][ T5371] x11: 0000000000000000 x10: 0000000000000000 x9 : d4f8b766297aad00 [ 60.244748][ T5371] x8 : d4f8b766297aad00 x7 : 0000000000000001 x6 : 0000000000000001 [ 60.246005][ T5371] x5 : ffff8000225a6eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 60.247221][ T5371] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 60.248417][ T5371] Call trace: [ 60.248948][ T5371] btrfs_commit_transaction+0x1ddc/0x3078 [ 60.249827][ T5371] btrfs_sync_fs+0x628/0xb24 [ 60.250574][ T5371] sync_filesystem+0x1a0/0x218 [ 60.251324][ T5371] btrfs_remount+0x198/0x12b0 [ 60.252029][ T5371] legacy_reconfigure+0xf8/0x110 [ 60.252836][ T5371] reconfigure_super+0x1d4/0x6f4 [ 60.253597][ T5371] path_mount+0xc88/0x1008 [ 60.254288][ T5371] __arm64_sys_mount+0x514/0x5f0 [ 60.255054][ T5371] invoke_syscall+0x98/0x2b0 [ 60.255821][ T5371] el0_svc_common+0x138/0x258 [ 60.256547][ T5371] do_el0_svc+0x58/0x13c [ 60.257273][ T5371] el0_svc+0x78/0x1d0 [ 60.257922][ T5371] el0t_64_sync_handler+0xcc/0xe4 [ 60.258706][ T5371] el0t_64_sync+0x1a0/0x1a4 [ 60.259396][ T5371] irq event stamp: 80488 [ 60.260111][ T5371] hardirqs last enabled at (80487): [] __up_console_sem+0xb4/0xfc [ 60.261685][ T5371] hardirqs last disabled at (80488): [] el1_dbg+0x24/0x80 [ 60.263153][ T5371] softirqs last enabled at (80454): [] handle_softirqs+0xa40/0xbe4 [ 60.264714][ T5371] softirqs last disabled at (80429): [] __irq_exit_rcu+0x240/0x43c [ 60.266217][ T5371] ---[ end trace 1b50fc88e049686c ]--- [ 60.268010][ T5371] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 60.269667][ T5371] BTRFS info (device loop0): forced readonly [ 60.270739][ T5371] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 60.270739][ T5371] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 60.473921][ T5393] loop0: detected capacity change from 0 to 32768 [ 60.476555][ T5393] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5393) [ 60.481927][ T5393] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 60.483646][ T5393] BTRFS info (device loop0): force clearing of disk cache [ 60.484972][ T5393] BTRFS info (device loop0): setting nodatasum [ 60.485978][ T5393] BTRFS info (device loop0): disabling free space tree [ 60.487197][ T5393] BTRFS info (device loop0): has skinny extents [ 60.495979][ T5393] BTRFS info (device loop0): enabling ssd optimizations [ 60.497718][ T5393] BTRFS info (device loop0): clearing free space tree [ 60.499997][ T5393] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 60.501748][ T5393] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 60.505473][ T5393] BTRFS info (device loop0): checking UUID tree [ 60.508425][ T5393] FAULT_INJECTION: forcing a failure. [ 60.508425][ T5393] name failslab, interval 1, probability 0, space 0, times 0 [ 60.511157][ T5393] CPU: 0 PID: 5393 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.512711][ T5393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.514429][ T5393] Call trace: [ 60.515055][ T5393] dump_backtrace+0x0/0x458 [ 60.515801][ T5393] show_stack+0x2c/0x3c [ 60.516477][ T5393] __dump_stack+0x30/0x40 [ 60.517206][ T5393] dump_stack_lvl+0xf4/0x15c [ 60.517979][ T5393] dump_stack+0x1c/0x5c [ 60.518704][ T5393] should_fail+0x3bc/0x514 [ 60.519370][ T5393] __should_failslab+0xbc/0x10c [ 60.520191][ T5393] should_failslab+0x10/0x28 [ 60.520962][ T5393] slab_pre_alloc_hook+0x64/0xe8 [ 60.521879][ T5393] kmem_cache_alloc+0x94/0x3d4 [ 60.522735][ T5393] btrfs_alloc_path+0x5c/0x68 [ 60.524614][ T5393] __btrfs_run_delayed_items+0x88/0x46c [ 60.525526][ T5393] btrfs_run_delayed_items+0x24/0x34 [ 60.526405][ T5393] btrfs_commit_transaction+0x7e0/0x3078 [ 60.527323][ T5393] btrfs_sync_fs+0x628/0xb24 [ 60.528172][ T5393] sync_filesystem+0x1a0/0x218 [ 60.528950][ T5393] btrfs_remount+0x198/0x12b0 [ 60.529738][ T5393] legacy_reconfigure+0xf8/0x110 [ 60.530663][ T5393] reconfigure_super+0x1d4/0x6f4 [ 60.531516][ T5393] path_mount+0xc88/0x1008 [ 60.532204][ T5393] __arm64_sys_mount+0x514/0x5f0 [ 60.533063][ T5393] invoke_syscall+0x98/0x2b0 [ 60.533853][ T5393] el0_svc_common+0x138/0x258 [ 60.534661][ T5393] do_el0_svc+0x58/0x13c [ 60.535366][ T5393] el0_svc+0x78/0x1d0 [ 60.536014][ T5393] el0t_64_sync_handler+0xcc/0xe4 [ 60.536929][ T5393] el0t_64_sync+0x1a0/0x1a4 [ 60.540050][ T5393] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 60.541599][ T5393] ------------[ cut here ]------------ [ 60.542615][ T5393] WARNING: CPU: 0 PID: 5393 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 60.544433][ T5393] Modules linked in: [ 60.545049][ T5393] CPU: 0 PID: 5393 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.546486][ T5393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.548133][ T5393] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.549485][ T5393] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 60.550469][ T5393] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 60.551473][ T5393] sp : ffff8000225a75a0 [ 60.552173][ T5393] x29: ffff8000225a77e0 x28: ffff7000044b4ecc x27: 1fffe0001a264595 [ 60.553477][ T5393] x26: ffff0000d95bd000 x25: 00000000fffffff4 x24: ffff0000d1322ca8 [ 60.554837][ T5393] x23: ffff0000ced41948 x22: ffff0000ced418f0 x21: ffff0000cc638000 [ 60.556179][ T5393] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 60.557524][ T5393] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 60.558884][ T5393] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 60.560245][ T5393] x11: 0000000000000000 x10: 0000000000000000 x9 : 19ae286bfffa3b00 [ 60.561675][ T5393] x8 : 19ae286bfffa3b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 60.563086][ T5393] x5 : ffff8000225a6eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 60.564508][ T5393] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 60.565917][ T5393] Call trace: [ 60.566439][ T5393] btrfs_commit_transaction+0x1ddc/0x3078 [ 60.567367][ T5393] btrfs_sync_fs+0x628/0xb24 [ 60.568217][ T5393] sync_filesystem+0x1a0/0x218 [ 60.569023][ T5393] btrfs_remount+0x198/0x12b0 [ 60.569863][ T5393] legacy_reconfigure+0xf8/0x110 [ 60.570729][ T5393] reconfigure_super+0x1d4/0x6f4 [ 60.571563][ T5393] path_mount+0xc88/0x1008 [ 60.572313][ T5393] __arm64_sys_mount+0x514/0x5f0 [ 60.573172][ T5393] invoke_syscall+0x98/0x2b0 [ 60.573984][ T5393] el0_svc_common+0x138/0x258 [ 60.574756][ T5393] do_el0_svc+0x58/0x13c [ 60.575476][ T5393] el0_svc+0x78/0x1d0 [ 60.576149][ T5393] el0t_64_sync_handler+0xcc/0xe4 [ 60.576969][ T5393] el0t_64_sync+0x1a0/0x1a4 [ 60.577732][ T5393] irq event stamp: 80868 [ 60.578415][ T5393] hardirqs last enabled at (80867): [] __up_console_sem+0xb4/0xfc [ 60.579966][ T5393] hardirqs last disabled at (80868): [] el1_dbg+0x24/0x80 [ 60.581449][ T5393] softirqs last enabled at (80834): [] handle_softirqs+0xa40/0xbe4 [ 60.583111][ T5393] softirqs last disabled at (80807): [] __irq_exit_rcu+0x240/0x43c [ 60.584681][ T5393] ---[ end trace 1b50fc88e049686d ]--- [ 60.586454][ T5393] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 60.587921][ T5393] BTRFS info (device loop0): forced readonly [ 60.589171][ T5393] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 60.589171][ T5393] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 60.801579][ T5415] loop0: detected capacity change from 0 to 32768 [ 60.806430][ T5415] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5415) [ 60.816065][ T5415] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 60.817680][ T5415] BTRFS info (device loop0): force clearing of disk cache [ 60.819307][ T5415] BTRFS info (device loop0): setting nodatasum [ 60.820659][ T5415] BTRFS info (device loop0): disabling free space tree [ 60.822098][ T5415] BTRFS info (device loop0): has skinny extents [ 60.835163][ T5415] BTRFS info (device loop0): enabling ssd optimizations [ 60.836926][ T5415] BTRFS info (device loop0): clearing free space tree [ 60.838296][ T5415] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 60.841477][ T5415] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 60.845229][ T5415] BTRFS info (device loop0): checking UUID tree [ 60.848014][ T5415] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 60.848014][ T5415] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 60.853643][ T5415] FAULT_INJECTION: forcing a failure. [ 60.853643][ T5415] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 60.855906][ T5415] CPU: 1 PID: 5415 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.857488][ T5415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.859360][ T5415] Call trace: [ 60.859948][ T5415] dump_backtrace+0x0/0x458 [ 60.860771][ T5415] show_stack+0x2c/0x3c [ 60.861497][ T5415] __dump_stack+0x30/0x40 [ 60.862198][ T5415] dump_stack_lvl+0xf4/0x15c [ 60.862929][ T5415] dump_stack+0x1c/0x5c [ 60.863702][ T5415] should_fail+0x3bc/0x514 [ 60.864421][ T5415] should_fail_usercopy+0x20/0x30 [ 60.865377][ T5415] kstrtouint_from_user+0xe0/0x30c [ 60.866246][ T5415] proc_fail_nth_write+0x9c/0x244 [ 60.867040][ T5415] vfs_write+0x284/0xa60 [ 60.867838][ T5415] ksys_write+0x12c/0x224 [ 60.868637][ T5415] __arm64_sys_write+0x7c/0x90 [ 60.869418][ T5415] invoke_syscall+0x98/0x2b0 [ 60.870239][ T5415] el0_svc_common+0x138/0x258 [ 60.870938][ T5415] do_el0_svc+0x58/0x13c [ 60.871620][ T5415] el0_svc+0x78/0x1d0 [ 60.872302][ T5415] el0t_64_sync_handler+0xcc/0xe4 [ 60.873179][ T5415] el0t_64_sync+0x1a0/0x1a4 [ 61.055741][ T5437] loop0: detected capacity change from 0 to 32768 [ 61.058288][ T5437] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5437) [ 61.068928][ T5437] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 61.070806][ T5437] BTRFS info (device loop0): force clearing of disk cache [ 61.071923][ T5437] BTRFS info (device loop0): setting nodatasum [ 61.072955][ T5437] BTRFS info (device loop0): disabling free space tree [ 61.074133][ T5437] BTRFS info (device loop0): has skinny extents [ 61.083074][ T5437] BTRFS info (device loop0): enabling ssd optimizations [ 61.084607][ T5437] BTRFS info (device loop0): clearing free space tree [ 61.085736][ T5437] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 61.087369][ T5437] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 61.090934][ T5437] BTRFS info (device loop0): checking UUID tree [ 61.093382][ T5437] FAULT_INJECTION: forcing a failure. [ 61.093382][ T5437] name failslab, interval 1, probability 0, space 0, times 0 [ 61.095203][ T5437] CPU: 0 PID: 5437 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.096796][ T5437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.098464][ T5437] Call trace: [ 61.099040][ T5437] dump_backtrace+0x0/0x458 [ 61.099810][ T5437] show_stack+0x2c/0x3c [ 61.100540][ T5437] __dump_stack+0x30/0x40 [ 61.101278][ T5437] dump_stack_lvl+0xf4/0x15c [ 61.102103][ T5437] dump_stack+0x1c/0x5c [ 61.102868][ T5437] should_fail+0x3bc/0x514 [ 61.103660][ T5437] __should_failslab+0xbc/0x10c [ 61.104520][ T5437] should_failslab+0x10/0x28 [ 61.105299][ T5437] slab_pre_alloc_hook+0x64/0xe8 [ 61.106141][ T5437] kmem_cache_alloc+0x94/0x3d4 [ 61.107004][ T5437] btrfs_alloc_path+0x5c/0x68 [ 61.107791][ T5437] __btrfs_run_delayed_items+0x88/0x46c [ 61.108675][ T5437] btrfs_run_delayed_items+0x24/0x34 [ 61.109578][ T5437] btrfs_commit_transaction+0x7e0/0x3078 [ 61.110565][ T5437] btrfs_sync_fs+0x628/0xb24 [ 61.111294][ T5437] sync_filesystem+0x1a0/0x218 [ 61.112063][ T5437] btrfs_remount+0x198/0x12b0 [ 61.112811][ T5437] legacy_reconfigure+0xf8/0x110 [ 61.113555][ T5437] reconfigure_super+0x1d4/0x6f4 [ 61.114344][ T5437] path_mount+0xc88/0x1008 [ 61.115046][ T5437] __arm64_sys_mount+0x514/0x5f0 [ 61.115906][ T5437] invoke_syscall+0x98/0x2b0 [ 61.116648][ T5437] el0_svc_common+0x138/0x258 [ 61.117439][ T5437] do_el0_svc+0x58/0x13c [ 61.118174][ T5437] el0_svc+0x78/0x1d0 [ 61.118870][ T5437] el0t_64_sync_handler+0xcc/0xe4 [ 61.119758][ T5437] el0t_64_sync+0x1a0/0x1a4 [ 61.121356][ T5437] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 61.122734][ T5437] ------------[ cut here ]------------ [ 61.123751][ T5437] WARNING: CPU: 0 PID: 5437 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 61.125491][ T5437] Modules linked in: [ 61.126147][ T5437] CPU: 0 PID: 5437 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.127614][ T5437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.129272][ T5437] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 61.130690][ T5437] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 61.131712][ T5437] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 61.132743][ T5437] sp : ffff800022b275a0 [ 61.133400][ T5437] x29: ffff800022b277e0 x28: ffff700004564ecc x27: 1fffe0001aef822d [ 61.134753][ T5437] x26: ffff0000c9115000 x25: 00000000fffffff4 x24: ffff0000d77c1168 [ 61.136101][ T5437] x23: ffff0000ced41738 x22: ffff0000ced416e0 x21: ffff0000dab74000 [ 61.137408][ T5437] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 61.138749][ T5437] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 61.140188][ T5437] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 61.141588][ T5437] x11: 0000000000000000 x10: 0000000000000000 x9 : b1c676b274f35e00 [ 61.142992][ T5437] x8 : b1c676b274f35e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 61.144417][ T5437] x5 : ffff800022b26eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 61.145754][ T5437] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 61.147098][ T5437] Call trace: [ 61.147691][ T5437] btrfs_commit_transaction+0x1ddc/0x3078 [ 61.148711][ T5437] btrfs_sync_fs+0x628/0xb24 [ 61.149522][ T5437] sync_filesystem+0x1a0/0x218 [ 61.150314][ T5437] btrfs_remount+0x198/0x12b0 [ 61.151080][ T5437] legacy_reconfigure+0xf8/0x110 [ 61.151862][ T5437] reconfigure_super+0x1d4/0x6f4 [ 61.152713][ T5437] path_mount+0xc88/0x1008 [ 61.153390][ T5437] __arm64_sys_mount+0x514/0x5f0 [ 61.154186][ T5437] invoke_syscall+0x98/0x2b0 [ 61.154963][ T5437] el0_svc_common+0x138/0x258 [ 61.155665][ T5437] do_el0_svc+0x58/0x13c [ 61.156459][ T5437] el0_svc+0x78/0x1d0 [ 61.157087][ T5437] el0t_64_sync_handler+0xcc/0xe4 [ 61.157902][ T5437] el0t_64_sync+0x1a0/0x1a4 [ 61.158580][ T5437] irq event stamp: 81930 [ 61.159198][ T5437] hardirqs last enabled at (81929): [] __up_console_sem+0xb4/0xfc [ 61.160966][ T5437] hardirqs last disabled at (81930): [] el1_dbg+0x24/0x80 [ 61.162504][ T5437] softirqs last enabled at (81900): [] handle_softirqs+0xa40/0xbe4 [ 61.164031][ T5437] softirqs last disabled at (81755): [] __irq_exit_rcu+0x240/0x43c [ 61.165569][ T5437] ---[ end trace 1b50fc88e049686e ]--- [ 61.167250][ T5437] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 61.168831][ T5437] BTRFS info (device loop0): forced readonly [ 61.169872][ T5437] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 61.169872][ T5437] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL=' [ 61.367902][ T5459] loop0: detected capacity change from 0 to 32768 [ 61.371492][ T5459] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5459) [ 61.379587][ T5459] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 61.381319][ T5459] BTRFS info (device loop0): force clearing of disk cache [ 61.382423][ T5459] BTRFS info (device loop0): setting nodatasum [ 61.383394][ T5459] BTRFS info (device loop0): disabling free space tree [ 61.384471][ T5459] BTRFS info (device loop0): has skinny extents [ 61.393119][ T5459] BTRFS info (device loop0): enabling ssd optimizations [ 61.394804][ T5459] BTRFS info (device loop0): clearing free space tree [ 61.395992][ T5459] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 61.397699][ T5459] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 61.401440][ T5459] BTRFS info (device loop0): checking UUID tree [ 61.404215][ T5459] FAULT_INJECTION: forcing a failure. [ 61.404215][ T5459] name failslab, interval 1, probability 0, space 0, times 0 [ 61.406216][ T5459] CPU: 1 PID: 5459 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.407684][ T5459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.409253][ T5459] Call trace: [ 61.409763][ T5459] dump_backtrace+0x0/0x458 [ 61.410556][ T5459] show_stack+0x2c/0x3c [ 61.411254][ T5459] __dump_stack+0x30/0x40 [ 61.411983][ T5459] dump_stack_lvl+0xf4/0x15c [ 61.412772][ T5459] dump_stack+0x1c/0x5c [ 61.413535][ T5459] should_fail+0x3bc/0x514 [ 61.414323][ T5459] __should_failslab+0xbc/0x10c [ 61.415116][ T5459] should_failslab+0x10/0x28 [ 61.415899][ T5459] slab_pre_alloc_hook+0x64/0xe8 [ 61.416705][ T5459] kmem_cache_alloc+0x94/0x3d4 [ 61.417537][ T5459] btrfs_alloc_path+0x5c/0x68 [ 61.418310][ T5459] __btrfs_run_delayed_items+0x88/0x46c [ 61.419207][ T5459] btrfs_run_delayed_items+0x24/0x34 [ 61.420003][ T5459] btrfs_commit_transaction+0x938/0x3078 [ 61.420853][ T5459] btrfs_sync_fs+0x628/0xb24 [ 61.421645][ T5459] sync_filesystem+0x1a0/0x218 [ 61.422497][ T5459] btrfs_remount+0x198/0x12b0 [ 61.423240][ T5459] legacy_reconfigure+0xf8/0x110 [ 61.424062][ T5459] reconfigure_super+0x1d4/0x6f4 [ 61.424862][ T5459] path_mount+0xc88/0x1008 [ 61.425573][ T5459] __arm64_sys_mount+0x514/0x5f0 [ 61.426300][ T5459] invoke_syscall+0x98/0x2b0 [ 61.426918][ T5459] el0_svc_common+0x138/0x258 [ 61.427702][ T5459] do_el0_svc+0x58/0x13c [ 61.428407][ T5459] el0_svc+0x78/0x1d0 [ 61.429045][ T5459] el0t_64_sync_handler+0xcc/0xe4 [ 61.429913][ T5459] el0t_64_sync+0x1a0/0x1a4 [ 61.432758][ T5459] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 61.434083][ T5459] ------------[ cut here ]------------ [ 61.435154][ T5459] WARNING: CPU: 1 PID: 5459 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1ddc/0x3078 [ 61.436425][ T5459] Modules linked in: [ 61.436949][ T5459] CPU: 1 PID: 5459 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.438470][ T5459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.440246][ T5459] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 61.441728][ T5459] pc : btrfs_commit_transaction+0x1ddc/0x3078 [ 61.442785][ T5459] lr : btrfs_commit_transaction+0x1ddc/0x3078 [ 61.443775][ T5459] sp : ffff800022c675a0 [ 61.444526][ T5459] x29: ffff800022c677e0 x28: ffff70000458cecc x27: 1fffe0001aef88fd [ 61.445881][ T5459] x26: ffff0000c9114000 x25: 00000000fffffff4 x24: ffff0000d77c47e8 [ 61.447265][ T5459] x23: ffff0000de46e478 x22: ffff0000de46e420 x21: ffff0000dce20000 [ 61.448621][ T5459] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 61.450082][ T5459] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 61.451532][ T5459] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 61.452915][ T5459] x11: 0000000000000000 x10: 0000000000000000 x9 : 74a98829f6a39400 [ 61.454263][ T5459] x8 : 74a98829f6a39400 x7 : 0000000000000001 x6 : 0000000000000001 [ 61.455628][ T5459] x5 : ffff800022c66eb8 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 61.456969][ T5459] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 61.458356][ T5459] Call trace: [ 61.458880][ T5459] btrfs_commit_transaction+0x1ddc/0x3078 [ 61.459926][ T5459] btrfs_sync_fs+0x628/0xb24 [ 61.460676][ T5459] sync_filesystem+0x1a0/0x218 [ 61.461539][ T5459] btrfs_remount+0x198/0x12b0 [ 61.462341][ T5459] legacy_reconfigure+0xf8/0x110 [ 61.463146][ T5459] reconfigure_super+0x1d4/0x6f4 [ 61.463974][ T5459] path_mount+0xc88/0x1008 [ 61.464730][ T5459] __arm64_sys_mount+0x514/0x5f0 [ 61.465629][ T5459] invoke_syscall+0x98/0x2b0 [ 61.466365][ T5459] el0_svc_common+0x138/0x258 [ 61.467152][ T5459] do_el0_svc+0x58/0x13c [ 61.467873][ T5459] el0_svc+0x78/0x1d0 [ 61.468530][ T5459] el0t_64_sync_handler+0xcc/0xe4 [ 61.469376][ T5459] el0t_64_sync+0x1a0/0x1a4 [ 61.470200][ T5459] irq event stamp: 80728 [ 61.470986][ T5459] hardirqs last enabled at (80727): [] __up_console_sem+0xb4/0xfc [ 61.472526][ T5459] hardirqs last disabled at (80728): [] el1_dbg+0x24/0x80 [ 61.473968][ T5459] softirqs last enabled at (80698): [] handle_softirqs+0xa40/0xbe4 [ 61.475708][ T5459] softirqs last disabled at (80667): [] __irq_exit_rcu+0x240/0x43c [ 61.477317][ T5459] ---[ end trace 1b50fc88e049686f ]--- [ 61.479402][ T5459] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 61.480932][ T5459] BTRFS info (device loop0): forced readonly [ 61.481982][ T5459] BTRFS error (device loop0): unrecognized mount option '18446744073709551615017777777777777777777770177777777777777777777718446744073709551615lbZ~Ƣ8žH~אa*Oѓ< 5^Sus%% [ 61.481982][ T5459] /ĖEaofmߚtҮ~г#a C$n-SGWmxeGy|sL='