Warning: Permanently added '10.128.10.7' (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 [ 47.571056][ T4280] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:47 executed programs: 0 [ 47.639830][ T4287] chnl_net:caif_netlink_parms(): no params data found [ 47.659187][ T4287] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.660422][ T4287] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.661799][ T4287] device bridge_slave_0 entered promiscuous mode [ 47.663699][ T4287] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.664941][ T4287] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.666484][ T4287] device bridge_slave_1 entered promiscuous mode [ 47.678284][ T4287] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 47.680814][ T4287] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.691196][ T4287] team0: Port device team_slave_0 added [ 47.693157][ T4287] team0: Port device team_slave_1 added [ 47.702785][ T4287] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 47.703791][ T4287] 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. [ 47.707619][ T4287] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 47.710445][ T4287] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 47.711514][ T4287] 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. [ 47.715621][ T4287] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 47.759131][ T4287] device hsr_slave_0 entered promiscuous mode [ 47.777901][ T4287] device hsr_slave_1 entered promiscuous mode [ 48.370893][ T4287] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.419066][ T4287] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.449991][ T4287] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.499005][ T4287] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.536786][ T4287] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.538036][ T4287] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.539314][ T4287] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.540337][ T4287] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.562414][ T4287] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.566650][ T1673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.569314][ T1673] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.570701][ T1673] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.572533][ T1673] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.577276][ T4287] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.581543][ T1673] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.582912][ T1673] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.583975][ T1673] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.587265][ T1673] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.590989][ T1673] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.592138][ T1673] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.600042][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.601693][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.605597][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.619354][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.622164][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.623646][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.626323][ T4287] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.671796][ T4287] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.679751][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.680992][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.682173][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.684150][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.691454][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.693005][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.694558][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.695891][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.698328][ T4287] device veth0_vlan entered promiscuous mode [ 48.701475][ T4287] device veth1_vlan entered promiscuous mode [ 48.710823][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 48.712315][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 48.713950][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 48.715466][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.718520][ T4287] device veth0_macvtap entered promiscuous mode [ 48.721419][ T4287] device veth1_macvtap entered promiscuous mode [ 48.726913][ T4287] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.729641][ T417] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 48.731023][ T417] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 48.732503][ T417] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 48.734001][ T417] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.737263][ T4287] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.739599][ T1673] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 48.741164][ T1673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.743947][ T4287] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.745154][ T4287] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.746389][ T4287] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.749093][ T4287] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.889321][ T4423] loop0: detected capacity change from 0 to 32768 [ 48.893961][ T4423] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4423) [ 48.902943][ T4423] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.904485][ T4423] BTRFS info (device loop0): using free space tree [ 48.905386][ T4423] BTRFS info (device loop0): has skinny extents [ 48.976343][ T4423] BTRFS info (device loop0): enabling ssd optimizations [ 48.986327][ T4423] FAULT_INJECTION: forcing a failure. [ 48.986327][ T4423] name failslab, interval 1, probability 0, space 0, times 1 [ 48.988516][ T4423] CPU: 0 PID: 4423 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.989605][ T4423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.991104][ T4423] Call trace: [ 48.991550][ T4423] dump_backtrace+0x0/0x43c [ 48.992217][ T4423] show_stack+0x2c/0x3c [ 48.992826][ T4423] __dump_stack+0x30/0x40 [ 48.993427][ T4423] dump_stack_lvl+0xf8/0x160 [ 48.994070][ T4423] dump_stack+0x1c/0x5c [ 48.994640][ T4423] should_fail+0x3c0/0x51c [ 48.995250][ T4423] __should_failslab+0xbc/0x10c [ 48.995935][ T4423] should_failslab+0x10/0x28 [ 48.996596][ T4423] slab_pre_alloc_hook+0x64/0xec [ 48.997270][ T4423] kmem_cache_alloc_trace+0x98/0x3fc [ 48.998040][ T4423] btrfs_alloc_root+0x8c/0x97c [ 48.998743][ T4423] btrfs_create_tree+0x104/0x984 [ 48.999438][ T4423] btrfs_quota_enable+0x348/0x166c [ 49.000116][ T4423] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.000905][ T4423] btrfs_ioctl+0x6f0/0xb38 [ 49.001533][ T4423] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.002221][ T4423] invoke_syscall+0x98/0x2b8 [ 49.002886][ T4423] el0_svc_common+0x138/0x258 [ 49.003526][ T4423] do_el0_svc+0x58/0x14c [ 49.004154][ T4423] el0_svc+0x78/0x1e0 [ 49.004731][ T4423] el0t_64_sync_handler+0xcc/0xe4 [ 49.005439][ T4423] el0t_64_sync+0x1a0/0x1a4 [ 49.006255][ T4423] ------------[ cut here ]------------ [ 49.007164][ T4423] WARNING: CPU: 0 PID: 4423 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 49.008515][ T4423] Modules linked in: [ 49.009070][ T4423] CPU: 0 PID: 4423 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.010188][ T4423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.011637][ T4423] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.012728][ T4423] pc : btrfs_quota_enable+0xfc4/0x166c [ 49.013462][ T4423] lr : btrfs_quota_enable+0xfc4/0x166c [ 49.014323][ T4423] sp : ffff80001f207ae0 [ 49.014895][ T4423] x29: ffff80001f207c40 x28: 0000000000001798 x27: ffff700003e40f6c [ 49.016004][ T4423] x26: ffff0000de15d0b0 x25: 1fffe0001bb93809 x24: fffffffffffffff4 [ 49.017096][ T4423] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de15d108 [ 49.018266][ T4423] x20: 1fffe0001bc2ba21 x19: ffff0000ddc9c000 x18: 0000000000000001 [ 49.019361][ T4423] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 49.020509][ T4423] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 49.021737][ T4423] x11: 0000000000000000 x10: 0000000000000000 x9 : bc3fbe274f6a0a00 [ 49.022950][ T4423] x8 : bc3fbe274f6a0a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.024104][ T4423] x5 : ffff80001f2073d8 x4 : ffff80001426f5a0 x3 : ffff800008302274 [ 49.025331][ T4423] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.026479][ T4423] Call trace: [ 49.026962][ T4423] btrfs_quota_enable+0xfc4/0x166c [ 49.027687][ T4423] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.028429][ T4423] btrfs_ioctl+0x6f0/0xb38 [ 49.029052][ T4423] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.029902][ T4423] invoke_syscall+0x98/0x2b8 [ 49.030628][ T4423] el0_svc_common+0x138/0x258 [ 49.031361][ T4423] do_el0_svc+0x58/0x14c [ 49.032003][ T4423] el0_svc+0x78/0x1e0 [ 49.032580][ T4423] el0t_64_sync_handler+0xcc/0xe4 [ 49.033288][ T4423] el0t_64_sync+0x1a0/0x1a4 [ 49.033917][ T4423] irq event stamp: 82778 [ 49.034527][ T4423] hardirqs last enabled at (82777): [] __up_console_sem+0xb4/0x100 [ 49.035872][ T4423] hardirqs last disabled at (82778): [] el1_dbg+0x24/0x80 [ 49.037210][ T4423] softirqs last enabled at (82758): [] handle_softirqs+0xa4c/0xbf0 [ 49.038584][ T4423] softirqs last disabled at (82741): [] __irq_exit_rcu+0x240/0x440 [ 49.040008][ T4423] ---[ end trace 8d2d3cb32adb5be1 ]--- [ 49.068830][ T4423] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 49.070547][ T4423] BTRFS info (device loop0): forced readonly [ 49.294347][ T4492] loop0: detected capacity change from 0 to 32768 [ 49.299349][ T4492] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4492) [ 49.309967][ T4492] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.311602][ T4492] BTRFS info (device loop0): using free space tree [ 49.312582][ T4492] BTRFS info (device loop0): has skinny extents [ 49.330194][ T4492] BTRFS info (device loop0): enabling ssd optimizations [ 49.349555][ T4492] FAULT_INJECTION: forcing a failure. [ 49.349555][ T4492] name failslab, interval 1, probability 0, space 0, times 0 [ 49.351464][ T4492] CPU: 0 PID: 4492 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.352754][ T4492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.354118][ T4492] Call trace: [ 49.354570][ T4492] dump_backtrace+0x0/0x43c [ 49.355206][ T4492] show_stack+0x2c/0x3c [ 49.355751][ T4492] __dump_stack+0x30/0x40 [ 49.356407][ T4492] dump_stack_lvl+0xf8/0x160 [ 49.357089][ T4492] dump_stack+0x1c/0x5c [ 49.357714][ T4492] should_fail+0x3c0/0x51c [ 49.358356][ T4492] __should_failslab+0xbc/0x10c [ 49.359144][ T4492] should_failslab+0x10/0x28 [ 49.359870][ T4492] slab_pre_alloc_hook+0x64/0xec [ 49.360613][ T4492] kmem_cache_alloc_trace+0x98/0x3fc [ 49.361448][ T4492] btrfs_alloc_root+0x8c/0x97c [ 49.362151][ T4492] btrfs_create_tree+0x104/0x984 [ 49.362902][ T4492] btrfs_quota_enable+0x348/0x166c [ 49.363612][ T4492] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.364365][ T4492] btrfs_ioctl+0x6f0/0xb38 [ 49.364981][ T4492] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.365739][ T4492] invoke_syscall+0x98/0x2b8 [ 49.366416][ T4492] el0_svc_common+0x138/0x258 [ 49.367092][ T4492] do_el0_svc+0x58/0x14c [ 49.367715][ T4492] el0_svc+0x78/0x1e0 [ 49.368318][ T4492] el0t_64_sync_handler+0xcc/0xe4 [ 49.369060][ T4492] el0t_64_sync+0x1a0/0x1a4 [ 49.388050][ T4492] ------------[ cut here ]------------ [ 49.389035][ T4492] WARNING: CPU: 0 PID: 4492 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 49.390425][ T4492] Modules linked in: [ 49.391010][ T4492] CPU: 0 PID: 4492 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.392349][ T4492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.393809][ T4492] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.394969][ T4492] pc : btrfs_quota_enable+0xfc4/0x166c [ 49.395858][ T4492] lr : btrfs_quota_enable+0xfc4/0x166c [ 49.396656][ T4492] sp : ffff80001f7a7ae0 [ 49.397252][ T4492] x29: ffff80001f7a7c40 x28: 0000000000001798 x27: ffff700003ef4f6c [ 49.398508][ T4492] x26: ffff0000de15d210 x25: 1fffe0001ab94009 x24: fffffffffffffff4 [ 49.399689][ T4492] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de15d268 [ 49.400951][ T4492] x20: 1fffe0001bc2ba4d x19: ffff0000d5ca0000 x18: 0000000000000001 [ 49.402154][ T4492] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 49.403361][ T4492] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 49.404542][ T4492] x11: 0000000000000000 x10: 0000000000000000 x9 : 11ef949927c9f800 [ 49.405781][ T4492] x8 : 11ef949927c9f800 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.406930][ T4492] x5 : ffff80001f7a73d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 49.408035][ T4492] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.409209][ T4492] Call trace: [ 49.409684][ T4492] btrfs_quota_enable+0xfc4/0x166c [ 49.410385][ T4492] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.411117][ T4492] btrfs_ioctl+0x6f0/0xb38 [ 49.411736][ T4492] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.412397][ T4492] invoke_syscall+0x98/0x2b8 [ 49.413014][ T4492] el0_svc_common+0x138/0x258 [ 49.413759][ T4492] do_el0_svc+0x58/0x14c [ 49.414311][ T4492] el0_svc+0x78/0x1e0 [ 49.414906][ T4492] el0t_64_sync_handler+0xcc/0xe4 [ 49.415663][ T4492] el0t_64_sync+0x1a0/0x1a4 [ 49.416260][ T4492] irq event stamp: 81208 [ 49.416893][ T4492] hardirqs last enabled at (81207): [] __up_console_sem+0xb4/0x100 [ 49.418220][ T4492] hardirqs last disabled at (81208): [] el1_dbg+0x24/0x80 [ 49.419401][ T4492] softirqs last enabled at (81188): [] handle_softirqs+0xa4c/0xbf0 [ 49.420763][ T4492] softirqs last disabled at (81163): [] __irq_exit_rcu+0x240/0x440 [ 49.422097][ T4492] ---[ end trace 8d2d3cb32adb5be2 ]--- [ 49.423404][ T4492] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 49.424962][ T4492] BTRFS info (device loop0): forced readonly [ 49.609398][ T4485] Bluetooth: hci0: command 0x0409 tx timeout [ 49.636405][ T4558] loop0: detected capacity change from 0 to 32768 [ 49.649039][ T4558] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4558) [ 49.659429][ T4558] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.660966][ T4558] BTRFS info (device loop0): using free space tree [ 49.661868][ T4558] BTRFS info (device loop0): has skinny extents [ 49.720058][ T4558] BTRFS info (device loop0): enabling ssd optimizations [ 49.724872][ T4558] FAULT_INJECTION: forcing a failure. [ 49.724872][ T4558] name failslab, interval 1, probability 0, space 0, times 0 [ 49.726975][ T4558] CPU: 1 PID: 4558 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.728305][ T4558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.729875][ T4558] Call trace: [ 49.730387][ T4558] dump_backtrace+0x0/0x43c [ 49.731114][ T4558] show_stack+0x2c/0x3c [ 49.731743][ T4558] __dump_stack+0x30/0x40 [ 49.732442][ T4558] dump_stack_lvl+0xf8/0x160 [ 49.733163][ T4558] dump_stack+0x1c/0x5c [ 49.733796][ T4558] should_fail+0x3c0/0x51c [ 49.734476][ T4558] __should_failslab+0xbc/0x10c [ 49.735221][ T4558] should_failslab+0x10/0x28 [ 49.735916][ T4558] slab_pre_alloc_hook+0x64/0xec [ 49.736635][ T4558] kmem_cache_alloc_trace+0x98/0x3fc [ 49.737443][ T4558] btrfs_alloc_root+0x8c/0x97c [ 49.738165][ T4558] btrfs_create_tree+0x104/0x984 [ 49.738920][ T4558] btrfs_quota_enable+0x348/0x166c [ 49.739666][ T4558] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.740464][ T4558] btrfs_ioctl+0x6f0/0xb38 [ 49.741108][ T4558] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.741797][ T4558] invoke_syscall+0x98/0x2b8 [ 49.742504][ T4558] el0_svc_common+0x138/0x258 [ 49.743223][ T4558] do_el0_svc+0x58/0x14c [ 49.743844][ T4558] el0_svc+0x78/0x1e0 [ 49.744434][ T4558] el0t_64_sync_handler+0xcc/0xe4 [ 49.745115][ T4558] el0t_64_sync+0x1a0/0x1a4 [ 49.749124][ T4558] ------------[ cut here ]------------ [ 49.750159][ T4558] WARNING: CPU: 1 PID: 4558 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 49.751705][ T4558] Modules linked in: [ 49.752353][ T4558] CPU: 1 PID: 4558 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.753792][ T4558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.755344][ T4558] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.756521][ T4558] pc : btrfs_quota_enable+0xfc4/0x166c [ 49.757327][ T4558] lr : btrfs_quota_enable+0xfc4/0x166c [ 49.758125][ T4558] sp : ffff80001f7c7ae0 [ 49.758717][ T4558] x29: ffff80001f7c7c40 x28: 0000000000001798 x27: ffff700003ef8f6c [ 49.759924][ T4558] x26: ffff0000de05e0b0 x25: 1fffe0001bbab009 x24: fffffffffffffff4 [ 49.761126][ T4558] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de05e108 [ 49.762314][ T4558] x20: 1fffe0001bc0bc21 x19: ffff0000ddd58000 x18: 0000000000000001 [ 49.763627][ T4558] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 49.764968][ T4558] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 49.766300][ T4558] x11: 0000000000000000 x10: 0000000000000000 x9 : 6c39143350ada900 [ 49.767581][ T4558] x8 : 6c39143350ada900 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.768853][ T4558] x5 : ffff80001f7c73d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 49.770132][ T4558] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.771437][ T4558] Call trace: [ 49.771984][ T4558] btrfs_quota_enable+0xfc4/0x166c [ 49.772876][ T4558] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.773798][ T4558] btrfs_ioctl+0x6f0/0xb38 [ 49.774530][ T4558] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.775255][ T4558] invoke_syscall+0x98/0x2b8 [ 49.775971][ T4558] el0_svc_common+0x138/0x258 [ 49.776687][ T4558] do_el0_svc+0x58/0x14c [ 49.777317][ T4558] el0_svc+0x78/0x1e0 [ 49.777952][ T4558] el0t_64_sync_handler+0xcc/0xe4 [ 49.778708][ T4558] el0t_64_sync+0x1a0/0x1a4 [ 49.779370][ T4558] irq event stamp: 80514 [ 49.779992][ T4558] hardirqs last enabled at (80513): [] __up_console_sem+0xb4/0x100 [ 49.781386][ T4558] hardirqs last disabled at (80514): [] el1_dbg+0x24/0x80 [ 49.782676][ T4558] softirqs last enabled at (80490): [] handle_softirqs+0xa4c/0xbf0 [ 49.784074][ T4558] softirqs last disabled at (80387): [] __irq_exit_rcu+0x240/0x440 [ 49.785481][ T4558] ---[ end trace 8d2d3cb32adb5be3 ]--- [ 49.790081][ T4558] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 49.791474][ T4558] BTRFS info (device loop0): forced readonly [ 49.999387][ T4610] loop0: detected capacity change from 0 to 32768 [ 50.007109][ T4610] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4610) [ 50.018572][ T4610] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.020447][ T4610] BTRFS info (device loop0): using free space tree [ 50.021409][ T4610] BTRFS info (device loop0): has skinny extents [ 50.086708][ T4610] BTRFS info (device loop0): enabling ssd optimizations [ 50.090798][ T4610] FAULT_INJECTION: forcing a failure. [ 50.090798][ T4610] name failslab, interval 1, probability 0, space 0, times 0 [ 50.092608][ T4610] CPU: 1 PID: 4610 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.093889][ T4610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.095245][ T4610] Call trace: [ 50.095661][ T4610] dump_backtrace+0x0/0x43c [ 50.096284][ T4610] show_stack+0x2c/0x3c [ 50.096825][ T4610] __dump_stack+0x30/0x40 [ 50.097428][ T4610] dump_stack_lvl+0xf8/0x160 [ 50.098063][ T4610] dump_stack+0x1c/0x5c [ 50.098611][ T4610] should_fail+0x3c0/0x51c [ 50.099206][ T4610] __should_failslab+0xbc/0x10c [ 50.099891][ T4610] should_failslab+0x10/0x28 [ 50.100518][ T4610] slab_pre_alloc_hook+0x64/0xec [ 50.101216][ T4610] kmem_cache_alloc_trace+0x98/0x3fc [ 50.101968][ T4610] btrfs_alloc_root+0x8c/0x97c [ 50.102624][ T4610] btrfs_create_tree+0x104/0x984 [ 50.103352][ T4610] btrfs_quota_enable+0x348/0x166c [ 50.104087][ T4610] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 50.104890][ T4610] btrfs_ioctl+0x6f0/0xb38 [ 50.105588][ T4610] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.106323][ T4610] invoke_syscall+0x98/0x2b8 [ 50.107003][ T4610] el0_svc_common+0x138/0x258 [ 50.107674][ T4610] do_el0_svc+0x58/0x14c [ 50.108215][ T4610] el0_svc+0x78/0x1e0 [ 50.108806][ T4610] el0t_64_sync_handler+0xcc/0xe4 [ 50.109490][ T4610] el0t_64_sync+0x1a0/0x1a4 [ 50.114355][ T4610] ------------[ cut here ]------------ [ 50.115993][ T4610] WARNING: CPU: 1 PID: 4610 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 50.117375][ T4610] Modules linked in: [ 50.117962][ T4610] CPU: 1 PID: 4610 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.119238][ T4610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.120733][ T4610] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.121885][ T4610] pc : btrfs_quota_enable+0xfc4/0x166c [ 50.122703][ T4610] lr : btrfs_quota_enable+0xfc4/0x166c [ 50.123492][ T4610] sp : ffff80001f7d7ae0 [ 50.124074][ T4610] x29: ffff80001f7d7c40 x28: 0000000000001798 x27: ffff700003efaf6c [ 50.125253][ T4610] x26: ffff0000de05e210 x25: 1fffe0001acd9809 x24: fffffffffffffff4 [ 50.126401][ T4610] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de05e268 [ 50.127648][ T4610] x20: 1fffe0001bc0bc4d x19: ffff0000d66cc000 x18: 0000000000000001 [ 50.128819][ T4610] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 50.129952][ T4610] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 50.131036][ T4610] x11: 0000000000000000 x10: 0000000000000000 x9 : 47c4be40439dac00 [ 50.132118][ T4610] x8 : 47c4be40439dac00 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.133329][ T4610] x5 : ffff80001f7d73d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 50.134510][ T4610] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.135699][ T4610] Call trace: [ 50.136185][ T4610] btrfs_quota_enable+0xfc4/0x166c [ 50.136873][ T4610] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 50.137589][ T4610] btrfs_ioctl+0x6f0/0xb38 [ 50.138167][ T4610] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.138882][ T4610] invoke_syscall+0x98/0x2b8 [ 50.139544][ T4610] el0_svc_common+0x138/0x258 [ 50.140211][ T4610] do_el0_svc+0x58/0x14c [ 50.140792][ T4610] el0_svc+0x78/0x1e0 [ 50.141318][ T4610] el0t_64_sync_handler+0xcc/0xe4 [ 50.142035][ T4610] el0t_64_sync+0x1a0/0x1a4 [ 50.142668][ T4610] irq event stamp: 80316 [ 50.143282][ T4610] hardirqs last enabled at (80315): [] __up_console_sem+0xb4/0x100 [ 50.144647][ T4610] hardirqs last disabled at (80316): [] el1_dbg+0x24/0x80 [ 50.145888][ T4610] softirqs last enabled at (80292): [] handle_softirqs+0xa4c/0xbf0 [ 50.147144][ T4610] softirqs last disabled at (80195): [] __irq_exit_rcu+0x240/0x440 [ 50.148522][ T4610] ---[ end trace 8d2d3cb32adb5be4 ]--- [ 50.152538][ T4610] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 50.154580][ T4610] BTRFS info (device loop0): forced readonly [ 50.387608][ T4667] loop0: detected capacity change from 0 to 32768 [ 50.392350][ T4667] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4667) [ 50.402170][ T4667] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.403697][ T4667] BTRFS info (device loop0): using free space tree [ 50.404667][ T4667] BTRFS info (device loop0): has skinny extents [ 50.466302][ T4667] BTRFS info (device loop0): enabling ssd optimizations [ 50.471952][ T4667] FAULT_INJECTION: forcing a failure. [ 50.471952][ T4667] name failslab, interval 1, probability 0, space 0, times 0 [ 50.475192][ T4667] CPU: 1 PID: 4667 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.476746][ T4667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.478487][ T4667] Call trace: [ 50.479002][ T4667] dump_backtrace+0x0/0x43c [ 50.479756][ T4667] show_stack+0x2c/0x3c [ 50.480441][ T4667] __dump_stack+0x30/0x40 [ 50.481152][ T4667] dump_stack_lvl+0xf8/0x160 [ 50.481923][ T4667] dump_stack+0x1c/0x5c [ 50.482550][ T4667] should_fail+0x3c0/0x51c [ 50.483237][ T4667] __should_failslab+0xbc/0x10c [ 50.483956][ T4667] should_failslab+0x10/0x28 [ 50.484650][ T4667] slab_pre_alloc_hook+0x64/0xec [ 50.485362][ T4667] kmem_cache_alloc+0x94/0x3e4 [ 50.485996][ T4667] start_transaction+0x4d0/0x13f0 [ 50.486707][ T4667] btrfs_start_transaction+0x34/0x44 [ 50.487527][ T4667] btrfs_quota_enable+0x1b8/0x166c [ 50.488253][ T4667] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 50.489045][ T4667] btrfs_ioctl+0x6f0/0xb38 [ 50.489678][ T4667] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.490430][ T4667] invoke_syscall+0x98/0x2b8 [ 50.491073][ T4667] el0_svc_common+0x138/0x258 [ 50.491771][ T4667] do_el0_svc+0x58/0x14c [ 50.492373][ T4667] el0_svc+0x78/0x1e0 [ 50.492991][ T4667] el0t_64_sync_handler+0xcc/0xe4 [ 50.493716][ T4667] el0t_64_sync+0x1a0/0x1a4 [ 50.711613][ T4727] loop0: detected capacity change from 0 to 32768 [ 50.714004][ T4727] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4727) [ 50.718751][ T4727] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.720198][ T4727] BTRFS info (device loop0): using free space tree [ 50.721171][ T4727] BTRFS info (device loop0): has skinny extents [ 50.733714][ T4727] BTRFS info (device loop0): enabling ssd optimizations [ 50.738096][ T4727] FAULT_INJECTION: forcing a failure. [ 50.738096][ T4727] name failslab, interval 1, probability 0, space 0, times 0 [ 50.740142][ T4727] CPU: 0 PID: 4727 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.741486][ T4727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.742916][ T4727] Call trace: [ 50.743396][ T4727] dump_backtrace+0x0/0x43c [ 50.744059][ T4727] show_stack+0x2c/0x3c [ 50.744670][ T4727] __dump_stack+0x30/0x40 [ 50.745305][ T4727] dump_stack_lvl+0xf8/0x160 [ 50.745967][ T4727] dump_stack+0x1c/0x5c [ 50.746579][ T4727] should_fail+0x3c0/0x51c [ 50.747278][ T4727] __should_failslab+0xbc/0x10c [ 50.747996][ T4727] should_failslab+0x10/0x28 [ 50.748658][ T4727] slab_pre_alloc_hook+0x64/0xec [ 50.749415][ T4727] kmem_cache_alloc_trace+0x98/0x3fc [ 50.750171][ T4727] btrfs_alloc_root+0x8c/0x97c [ 50.750884][ T4727] btrfs_create_tree+0x104/0x984 [ 50.751603][ T4727] btrfs_quota_enable+0x348/0x166c [ 50.752320][ T4727] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 50.753081][ T4727] btrfs_ioctl+0x6f0/0xb38 [ 50.753706][ T4727] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.754400][ T4727] invoke_syscall+0x98/0x2b8 [ 50.755033][ T4727] el0_svc_common+0x138/0x258 [ 50.755688][ T4727] do_el0_svc+0x58/0x14c [ 50.756283][ T4727] el0_svc+0x78/0x1e0 [ 50.756858][ T4727] el0t_64_sync_handler+0xcc/0xe4 [ 50.757510][ T4727] el0t_64_sync+0x1a0/0x1a4 [ 50.758942][ T4727] ------------[ cut here ]------------ [ 50.759796][ T4727] WARNING: CPU: 0 PID: 4727 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 50.761061][ T4727] Modules linked in: [ 50.761666][ T4727] CPU: 0 PID: 4727 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.762956][ T4727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.764347][ T4727] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.765469][ T4727] pc : btrfs_quota_enable+0xfc4/0x166c [ 50.766213][ T4727] lr : btrfs_quota_enable+0xfc4/0x166c [ 50.766958][ T4727] sp : ffff80001fcf7ae0 [ 50.767518][ T4727] x29: ffff80001fcf7c40 x28: 0000000000001798 x27: ffff700003f9ef6c [ 50.768649][ T4727] x26: ffff0000de15d4d0 x25: 1fffe0001966f809 x24: fffffffffffffff4 [ 50.769746][ T4727] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de15d528 [ 50.770917][ T4727] x20: 1fffe0001bc2baa5 x19: ffff0000cb37c000 x18: 0000000000000001 [ 50.772077][ T4727] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 50.773144][ T4727] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 50.774241][ T4727] x11: 0000000000000000 x10: 0000000000000000 x9 : 985a846eded10700 [ 50.775363][ T4727] x8 : 985a846eded10700 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.776541][ T4727] x5 : ffff80001fcf73d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 50.777646][ T4727] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.778746][ T4727] Call trace: [ 50.779183][ T4727] btrfs_quota_enable+0xfc4/0x166c [ 50.779926][ T4727] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 50.780695][ T4727] btrfs_ioctl+0x6f0/0xb38 [ 50.781316][ T4727] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.781959][ T4727] invoke_syscall+0x98/0x2b8 [ 50.782534][ T4727] el0_svc_common+0x138/0x258 [ 50.783158][ T4727] do_el0_svc+0x58/0x14c [ 50.783786][ T4727] el0_svc+0x78/0x1e0 [ 50.784353][ T4727] el0t_64_sync_handler+0xcc/0xe4 [ 50.785047][ T4727] el0t_64_sync+0x1a0/0x1a4 [ 50.785659][ T4727] irq event stamp: 80800 [ 50.786301][ T4727] hardirqs last enabled at (80799): [] __up_console_sem+0xb4/0x100 [ 50.787649][ T4727] hardirqs last disabled at (80800): [] el1_dbg+0x24/0x80 [ 50.788882][ T4727] softirqs last enabled at (80780): [] handle_softirqs+0xa4c/0xbf0 [ 50.790226][ T4727] softirqs last disabled at (80627): [] __irq_exit_rcu+0x240/0x440 [ 50.791535][ T4727] ---[ end trace 8d2d3cb32adb5be5 ]--- [ 50.793082][ T4727] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 50.794516][ T4727] BTRFS info (device loop0): forced readonly [ 50.994391][ T4753] loop0: detected capacity change from 0 to 32768 [ 50.996872][ T4753] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4753) [ 51.000313][ T4753] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.001944][ T4753] BTRFS info (device loop0): using free space tree [ 51.002938][ T4753] BTRFS info (device loop0): has skinny extents [ 51.016857][ T4753] BTRFS info (device loop0): enabling ssd optimizations [ 51.020656][ T4753] FAULT_INJECTION: forcing a failure. [ 51.020656][ T4753] name failslab, interval 1, probability 0, space 0, times 0 [ 51.022736][ T4753] CPU: 0 PID: 4753 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.024089][ T4753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.025513][ T4753] Call trace: [ 51.025996][ T4753] dump_backtrace+0x0/0x43c [ 51.026635][ T4753] show_stack+0x2c/0x3c [ 51.027200][ T4753] __dump_stack+0x30/0x40 [ 51.027774][ T4753] dump_stack_lvl+0xf8/0x160 [ 51.028439][ T4753] dump_stack+0x1c/0x5c [ 51.029017][ T4753] should_fail+0x3c0/0x51c [ 51.029608][ T4753] __should_failslab+0xbc/0x10c [ 51.030281][ T4753] should_failslab+0x10/0x28 [ 51.030875][ T4753] slab_pre_alloc_hook+0x64/0xec [ 51.031631][ T4753] kmem_cache_alloc_trace+0x98/0x3fc [ 51.032366][ T4753] btrfs_alloc_root+0x8c/0x97c [ 51.032991][ T4753] btrfs_create_tree+0x104/0x984 [ 51.033688][ T4753] btrfs_quota_enable+0x348/0x166c [ 51.034401][ T4753] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.035178][ T4753] btrfs_ioctl+0x6f0/0xb38 [ 51.035791][ T4753] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.036548][ T4753] invoke_syscall+0x98/0x2b8 [ 51.037210][ T4753] el0_svc_common+0x138/0x258 [ 51.037829][ T4753] do_el0_svc+0x58/0x14c [ 51.038438][ T4753] el0_svc+0x78/0x1e0 [ 51.038947][ T4753] el0t_64_sync_handler+0xcc/0xe4 [ 51.039675][ T4753] el0t_64_sync+0x1a0/0x1a4 [ 51.042667][ T4753] ------------[ cut here ]------------ [ 51.043642][ T4753] WARNING: CPU: 0 PID: 4753 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 51.045028][ T4753] Modules linked in: [ 51.045606][ T4753] CPU: 0 PID: 4753 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.046918][ T4753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.048323][ T4753] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.049415][ T4753] pc : btrfs_quota_enable+0xfc4/0x166c [ 51.050220][ T4753] lr : btrfs_quota_enable+0xfc4/0x166c [ 51.050975][ T4753] sp : ffff80001fd17ae0 [ 51.051504][ T4753] x29: ffff80001fd17c40 x28: 0000000000001798 x27: ffff700003fa2f6c [ 51.052635][ T4753] x26: ffff0000de15d630 x25: 1fffe0001acaf009 x24: fffffffffffffff4 [ 51.053765][ T4753] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de15d688 [ 51.054927][ T4753] x20: 1fffe0001bc2bad1 x19: ffff0000d6578000 x18: 0000000000000001 [ 51.056000][ T4753] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 51.057166][ T4753] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 51.058264][ T4753] x11: 0000000000000000 x10: 0000000000000000 x9 : 962a45cec3b9da00 [ 51.059480][ T4753] x8 : 962a45cec3b9da00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.060636][ T4753] x5 : ffff80001fd173d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 51.061942][ T4753] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.063065][ T4753] Call trace: [ 51.063550][ T4753] btrfs_quota_enable+0xfc4/0x166c [ 51.064289][ T4753] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.065017][ T4753] btrfs_ioctl+0x6f0/0xb38 [ 51.065635][ T4753] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.066308][ T4753] invoke_syscall+0x98/0x2b8 [ 51.066968][ T4753] el0_svc_common+0x138/0x258 [ 51.067618][ T4753] do_el0_svc+0x58/0x14c [ 51.068221][ T4753] el0_svc+0x78/0x1e0 [ 51.068771][ T4753] el0t_64_sync_handler+0xcc/0xe4 [ 51.069410][ T4753] el0t_64_sync+0x1a0/0x1a4 [ 51.070049][ T4753] irq event stamp: 79128 [ 51.070668][ T4753] hardirqs last enabled at (79127): [] __up_console_sem+0xb4/0x100 [ 51.071985][ T4753] hardirqs last disabled at (79128): [] el1_dbg+0x24/0x80 [ 51.073144][ T4753] softirqs last enabled at (79108): [] handle_softirqs+0xa4c/0xbf0 [ 51.074531][ T4753] softirqs last disabled at (79093): [] __irq_exit_rcu+0x240/0x440 [ 51.075967][ T4753] ---[ end trace 8d2d3cb32adb5be6 ]--- [ 51.077867][ T4753] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 51.079410][ T4753] BTRFS info (device loop0): forced readonly [ 51.276048][ T4774] loop0: detected capacity change from 0 to 32768 [ 51.280625][ T4774] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4774) [ 51.290146][ T4774] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.291635][ T4774] BTRFS info (device loop0): using free space tree [ 51.292583][ T4774] BTRFS info (device loop0): has skinny extents [ 51.301516][ T4774] BTRFS info (device loop0): enabling ssd optimizations [ 51.305835][ T4774] FAULT_INJECTION: forcing a failure. [ 51.305835][ T4774] name failslab, interval 1, probability 0, space 0, times 0 [ 51.308756][ T4774] CPU: 0 PID: 4774 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.310179][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.311694][ T4774] Call trace: [ 51.312195][ T4774] dump_backtrace+0x0/0x43c [ 51.312835][ T4774] show_stack+0x2c/0x3c [ 51.313329][ T4774] __dump_stack+0x30/0x40 [ 51.313972][ T4774] dump_stack_lvl+0xf8/0x160 [ 51.314607][ T4774] dump_stack+0x1c/0x5c [ 51.315213][ T4774] should_fail+0x3c0/0x51c [ 51.315856][ T4774] __should_failslab+0xbc/0x10c [ 51.316546][ T4774] should_failslab+0x10/0x28 [ 51.317239][ T4774] slab_pre_alloc_hook+0x64/0xec [ 51.317977][ T4774] kmem_cache_alloc+0x94/0x3e4 [ 51.318643][ T4774] start_transaction+0x4d0/0x13f0 [ 51.319359][ T4774] btrfs_start_transaction+0x34/0x44 [ 51.320109][ T4774] btrfs_quota_enable+0x1b8/0x166c [ 51.320906][ T4774] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.321651][ T4774] btrfs_ioctl+0x6f0/0xb38 [ 51.322282][ T4774] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.322997][ T4774] invoke_syscall+0x98/0x2b8 [ 51.323652][ T4774] el0_svc_common+0x138/0x258 [ 51.324321][ T4774] do_el0_svc+0x58/0x14c [ 51.324921][ T4774] el0_svc+0x78/0x1e0 [ 51.325468][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 51.326188][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 51.513103][ T4795] loop0: detected capacity change from 0 to 32768 [ 51.515727][ T4795] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4795) [ 51.519977][ T4795] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.521498][ T4795] BTRFS info (device loop0): using free space tree [ 51.522474][ T4795] BTRFS info (device loop0): has skinny extents [ 51.536342][ T4795] BTRFS info (device loop0): enabling ssd optimizations [ 51.540635][ T4795] FAULT_INJECTION: forcing a failure. [ 51.540635][ T4795] name failslab, interval 1, probability 0, space 0, times 0 [ 51.542688][ T4795] CPU: 0 PID: 4795 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.543899][ T4795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.545350][ T4795] Call trace: [ 51.545848][ T4795] dump_backtrace+0x0/0x43c [ 51.546526][ T4795] show_stack+0x2c/0x3c [ 51.547141][ T4795] __dump_stack+0x30/0x40 [ 51.547740][ T4795] dump_stack_lvl+0xf8/0x160 [ 51.548375][ T4795] dump_stack+0x1c/0x5c [ 51.548963][ T4795] should_fail+0x3c0/0x51c [ 51.549580][ T4795] __should_failslab+0xbc/0x10c [ 51.550301][ T4795] should_failslab+0x10/0x28 [ 51.551130][ T4795] slab_pre_alloc_hook+0x64/0xec [ 51.551825][ T4795] kmem_cache_alloc_trace+0x98/0x3fc [ 51.552590][ T4795] btrfs_alloc_root+0x8c/0x97c [ 51.553234][ T4795] btrfs_create_tree+0x104/0x984 [ 51.553902][ T4795] btrfs_quota_enable+0x348/0x166c [ 51.554623][ T4795] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.555395][ T4795] btrfs_ioctl+0x6f0/0xb38 [ 51.555994][ T4795] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.556656][ T4795] invoke_syscall+0x98/0x2b8 [ 51.557279][ T4795] el0_svc_common+0x138/0x258 [ 51.557926][ T4795] do_el0_svc+0x58/0x14c [ 51.558481][ T4795] el0_svc+0x78/0x1e0 [ 51.559081][ T4795] el0t_64_sync_handler+0xcc/0xe4 [ 51.559767][ T4795] el0t_64_sync+0x1a0/0x1a4 [ 51.561451][ T4795] ------------[ cut here ]------------ [ 51.562417][ T4795] WARNING: CPU: 0 PID: 4795 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 51.563839][ T4795] Modules linked in: [ 51.564409][ T4795] CPU: 0 PID: 4795 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.565748][ T4795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.567226][ T4795] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.568292][ T4795] pc : btrfs_quota_enable+0xfc4/0x166c [ 51.569019][ T4795] lr : btrfs_quota_enable+0xfc4/0x166c [ 51.569797][ T4795] sp : ffff80001ff77ae0 [ 51.570347][ T4795] x29: ffff80001ff77c40 x28: 0000000000001798 x27: ffff700003feef6c [ 51.571455][ T4795] x26: ffff0000de15d840 x25: 1fffe0001bb97009 x24: fffffffffffffff4 [ 51.572530][ T4795] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de15d898 [ 51.573640][ T4795] x20: 1fffe0001bc2bb13 x19: ffff0000ddcb8000 x18: 0000000000000001 [ 51.574757][ T4795] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 51.575862][ T4795] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 51.576986][ T4795] x11: 0000000000000000 x10: 0000000000000000 x9 : 5ede51918649c400 [ 51.578090][ T4795] x8 : 5ede51918649c400 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.579178][ T4795] x5 : ffff80001ff773d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 51.580286][ T4795] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.581395][ T4795] Call trace: [ 51.581853][ T4795] btrfs_quota_enable+0xfc4/0x166c [ 51.582550][ T4795] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.583283][ T4795] btrfs_ioctl+0x6f0/0xb38 [ 51.583898][ T4795] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.584587][ T4795] invoke_syscall+0x98/0x2b8 [ 51.585234][ T4795] el0_svc_common+0x138/0x258 [ 51.585888][ T4795] do_el0_svc+0x58/0x14c [ 51.586483][ T4795] el0_svc+0x78/0x1e0 [ 51.587037][ T4795] el0t_64_sync_handler+0xcc/0xe4 [ 51.587720][ T4795] el0t_64_sync+0x1a0/0x1a4 [ 51.588335][ T4795] irq event stamp: 79214 [ 51.588908][ T4795] hardirqs last enabled at (79213): [] __up_console_sem+0xb4/0x100 [ 51.590195][ T4795] hardirqs last disabled at (79214): [] el1_dbg+0x24/0x80 [ 51.591379][ T4795] softirqs last enabled at (79194): [] handle_softirqs+0xa4c/0xbf0 [ 51.592693][ T4795] softirqs last disabled at (79023): [] __irq_exit_rcu+0x240/0x440 [ 51.593971][ T4795] ---[ end trace 8d2d3cb32adb5be7 ]--- [ 51.595871][ T4795] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 51.597349][ T4795] BTRFS info (device loop0): forced readonly [ 51.688165][ T4473] Bluetooth: hci0: command 0x041b tx timeout [ 51.795194][ T4816] loop0: detected capacity change from 0 to 32768 [ 51.797986][ T4816] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4816) [ 51.801247][ T4816] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.802760][ T4816] BTRFS info (device loop0): using free space tree [ 51.803638][ T4816] BTRFS info (device loop0): has skinny extents [ 51.814093][ T4816] BTRFS info (device loop0): enabling ssd optimizations [ 51.818150][ T4816] FAULT_INJECTION: forcing a failure. [ 51.818150][ T4816] name failslab, interval 1, probability 0, space 0, times 0 [ 51.820345][ T4816] CPU: 0 PID: 4816 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.821692][ T4816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.823135][ T4816] Call trace: [ 51.823622][ T4816] dump_backtrace+0x0/0x43c [ 51.824278][ T4816] show_stack+0x2c/0x3c [ 51.824856][ T4816] __dump_stack+0x30/0x40 [ 51.825433][ T4816] dump_stack_lvl+0xf8/0x160 [ 51.826026][ T4816] dump_stack+0x1c/0x5c [ 51.826583][ T4816] should_fail+0x3c0/0x51c [ 51.827197][ T4816] __should_failslab+0xbc/0x10c [ 51.827831][ T4816] should_failslab+0x10/0x28 [ 51.828441][ T4816] slab_pre_alloc_hook+0x64/0xec [ 51.829129][ T4816] kmem_cache_alloc_trace+0x98/0x3fc [ 51.829845][ T4816] btrfs_alloc_root+0x8c/0x97c [ 51.830519][ T4816] btrfs_create_tree+0x104/0x984 [ 51.831202][ T4816] btrfs_quota_enable+0x348/0x166c [ 51.831892][ T4816] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.832631][ T4816] btrfs_ioctl+0x6f0/0xb38 [ 51.833239][ T4816] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.833922][ T4816] invoke_syscall+0x98/0x2b8 [ 51.834577][ T4816] el0_svc_common+0x138/0x258 [ 51.835233][ T4816] do_el0_svc+0x58/0x14c [ 51.835831][ T4816] el0_svc+0x78/0x1e0 [ 51.836368][ T4816] el0t_64_sync_handler+0xcc/0xe4 [ 51.837069][ T4816] el0t_64_sync+0x1a0/0x1a4 [ 51.838409][ T4816] ------------[ cut here ]------------ [ 51.839373][ T4816] WARNING: CPU: 0 PID: 4816 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 51.840833][ T4816] Modules linked in: [ 51.841450][ T4816] CPU: 0 PID: 4816 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.842834][ T4816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.844362][ T4816] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.845500][ T4816] pc : btrfs_quota_enable+0xfc4/0x166c [ 51.846246][ T4816] lr : btrfs_quota_enable+0xfc4/0x166c [ 51.846988][ T4816] sp : ffff80001ff77ae0 [ 51.847567][ T4816] x29: ffff80001ff77c40 x28: 0000000000001798 x27: ffff700003feef6c [ 51.848656][ T4816] x26: ffff0000de15d9a0 x25: 1fffe0001a14b009 x24: fffffffffffffff4 [ 51.849753][ T4816] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de15d9f8 [ 51.850838][ T4816] x20: 1fffe0001bc2bb3f x19: ffff0000d0a58000 x18: 0000000000000001 [ 51.851920][ T4816] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 51.853052][ T4816] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 51.854172][ T4816] x11: 0000000000000000 x10: 0000000000000000 x9 : 1890fd754cad7f00 [ 51.855284][ T4816] x8 : 1890fd754cad7f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.856369][ T4816] x5 : ffff80001ff773d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 51.857506][ T4816] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.858615][ T4816] Call trace: [ 51.859066][ T4816] btrfs_quota_enable+0xfc4/0x166c [ 51.859763][ T4816] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.860463][ T4816] btrfs_ioctl+0x6f0/0xb38 [ 51.861079][ T4816] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.861781][ T4816] invoke_syscall+0x98/0x2b8 [ 51.862437][ T4816] el0_svc_common+0x138/0x258 [ 51.863088][ T4816] do_el0_svc+0x58/0x14c [ 51.863681][ T4816] el0_svc+0x78/0x1e0 [ 51.864226][ T4816] el0t_64_sync_handler+0xcc/0xe4 [ 51.864925][ T4816] el0t_64_sync+0x1a0/0x1a4 [ 51.865561][ T4816] irq event stamp: 79614 [ 51.866128][ T4816] hardirqs last enabled at (79613): [] __up_console_sem+0xb4/0x100 [ 51.867412][ T4816] hardirqs last disabled at (79614): [] el1_dbg+0x24/0x80 [ 51.868610][ T4816] softirqs last enabled at (79594): [] handle_softirqs+0xa4c/0xbf0 [ 51.869983][ T4816] softirqs last disabled at (79517): [] __irq_exit_rcu+0x240/0x440 [ 51.871285][ T4816] ---[ end trace 8d2d3cb32adb5be8 ]--- [ 51.872864][ T4816] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 51.874279][ T4816] BTRFS info (device loop0): forced readonly [ 52.095158][ T4837] loop0: detected capacity change from 0 to 32768 [ 52.100270][ T4837] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4837) [ 52.104125][ T4837] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.105673][ T4837] BTRFS info (device loop0): using free space tree [ 52.106549][ T4837] BTRFS info (device loop0): has skinny extents [ 52.120057][ T4837] BTRFS info (device loop0): enabling ssd optimizations [ 52.124390][ T4837] FAULT_INJECTION: forcing a failure. [ 52.124390][ T4837] name failslab, interval 1, probability 0, space 0, times 0 [ 52.126514][ T4837] CPU: 1 PID: 4837 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.128062][ T4837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.129757][ T4837] Call trace: [ 52.130309][ T4837] dump_backtrace+0x0/0x43c [ 52.131014][ T4837] show_stack+0x2c/0x3c [ 52.131689][ T4837] __dump_stack+0x30/0x40 [ 52.132406][ T4837] dump_stack_lvl+0xf8/0x160 [ 52.133154][ T4837] dump_stack+0x1c/0x5c [ 52.133774][ T4837] should_fail+0x3c0/0x51c [ 52.134462][ T4837] __should_failslab+0xbc/0x10c [ 52.135167][ T4837] should_failslab+0x10/0x28 [ 52.135862][ T4837] slab_pre_alloc_hook+0x64/0xec [ 52.136622][ T4837] kmem_cache_alloc_trace+0x98/0x3fc [ 52.137435][ T4837] btrfs_alloc_root+0x8c/0x97c [ 52.138171][ T4837] btrfs_create_tree+0x104/0x984 [ 52.138915][ T4837] btrfs_quota_enable+0x348/0x166c [ 52.139678][ T4837] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.140499][ T4837] btrfs_ioctl+0x6f0/0xb38 [ 52.141143][ T4837] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.141922][ T4837] invoke_syscall+0x98/0x2b8 [ 52.142633][ T4837] el0_svc_common+0x138/0x258 [ 52.143319][ T4837] do_el0_svc+0x58/0x14c [ 52.143923][ T4837] el0_svc+0x78/0x1e0 [ 52.144521][ T4837] el0t_64_sync_handler+0xcc/0xe4 [ 52.145293][ T4837] el0t_64_sync+0x1a0/0x1a4 [ 52.146624][ T4837] ------------[ cut here ]------------ [ 52.148089][ T4837] WARNING: CPU: 1 PID: 4837 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 52.149600][ T4837] Modules linked in: [ 52.150211][ T4837] CPU: 1 PID: 4837 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.151552][ T4837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.153060][ T4837] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.154237][ T4837] pc : btrfs_quota_enable+0xfc4/0x166c [ 52.155004][ T4837] lr : btrfs_quota_enable+0xfc4/0x166c [ 52.155815][ T4837] sp : ffff8000201e7ae0 [ 52.156387][ T4837] x29: ffff8000201e7c40 x28: 0000000000001798 x27: ffff70000403cf6c [ 52.157518][ T4837] x26: ffff0000de05e4d0 x25: 1fffe0001ab7e809 x24: fffffffffffffff4 [ 52.158617][ T4837] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de05e528 [ 52.159741][ T4837] x20: 1fffe0001bc0bca5 x19: ffff0000d5bf4000 x18: 0000000000000001 [ 52.160840][ T4837] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 52.161978][ T4837] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.163086][ T4837] x11: 0000000000000000 x10: 0000000000000000 x9 : 303917945abd0600 [ 52.164212][ T4837] x8 : 303917945abd0600 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.165304][ T4837] x5 : ffff8000201e73d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 52.166401][ T4837] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.167504][ T4837] Call trace: [ 52.167965][ T4837] btrfs_quota_enable+0xfc4/0x166c [ 52.168672][ T4837] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.169398][ T4837] btrfs_ioctl+0x6f0/0xb38 [ 52.170004][ T4837] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.170683][ T4837] invoke_syscall+0x98/0x2b8 [ 52.171482][ T4837] el0_svc_common+0x138/0x258 [ 52.172314][ T4837] do_el0_svc+0x58/0x14c [ 52.173029][ T4837] el0_svc+0x78/0x1e0 [ 52.173652][ T4837] el0t_64_sync_handler+0xcc/0xe4 [ 52.174445][ T4837] el0t_64_sync+0x1a0/0x1a4 [ 52.175158][ T4837] irq event stamp: 80002 [ 52.175775][ T4837] hardirqs last enabled at (80001): [] __up_console_sem+0xb4/0x100 [ 52.177263][ T4837] hardirqs last disabled at (80002): [] el1_dbg+0x24/0x80 [ 52.178560][ T4837] softirqs last enabled at (79978): [] handle_softirqs+0xa4c/0xbf0 [ 52.180133][ T4837] softirqs last disabled at (79931): [] __irq_exit_rcu+0x240/0x440 [ 52.181618][ T4837] ---[ end trace 8d2d3cb32adb5be9 ]--- [ 52.183308][ T4837] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 52.185013][ T4837] BTRFS info (device loop0): forced readonly [ 52.382762][ T4858] loop0: detected capacity change from 0 to 32768 [ 52.385335][ T4858] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4858) [ 52.389795][ T4858] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.391350][ T4858] BTRFS info (device loop0): using free space tree [ 52.392277][ T4858] BTRFS info (device loop0): has skinny extents [ 52.403878][ T4858] BTRFS info (device loop0): enabling ssd optimizations [ 52.407437][ T4858] FAULT_INJECTION: forcing a failure. [ 52.407437][ T4858] name failslab, interval 1, probability 0, space 0, times 0 [ 52.409989][ T4858] CPU: 0 PID: 4858 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.411447][ T4858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.412987][ T4858] Call trace: [ 52.413499][ T4858] dump_backtrace+0x0/0x43c [ 52.414196][ T4858] show_stack+0x2c/0x3c [ 52.414835][ T4858] __dump_stack+0x30/0x40 [ 52.415460][ T4858] dump_stack_lvl+0xf8/0x160 [ 52.416155][ T4858] dump_stack+0x1c/0x5c [ 52.416747][ T4858] should_fail+0x3c0/0x51c [ 52.417418][ T4858] __should_failslab+0xbc/0x10c [ 52.418154][ T4858] should_failslab+0x10/0x28 [ 52.418887][ T4858] slab_pre_alloc_hook+0x64/0xec [ 52.419616][ T4858] kmem_cache_alloc_trace+0x98/0x3fc [ 52.420371][ T4858] btrfs_alloc_root+0x8c/0x97c [ 52.421051][ T4858] btrfs_create_tree+0x104/0x984 [ 52.421746][ T4858] btrfs_quota_enable+0x348/0x166c [ 52.422441][ T4858] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.423189][ T4858] btrfs_ioctl+0x6f0/0xb38 [ 52.423818][ T4858] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.424495][ T4858] invoke_syscall+0x98/0x2b8 [ 52.425287][ T4858] el0_svc_common+0x138/0x258 [ 52.426043][ T4858] do_el0_svc+0x58/0x14c [ 52.426688][ T4858] el0_svc+0x78/0x1e0 [ 52.427311][ T4858] el0t_64_sync_handler+0xcc/0xe4 [ 52.428074][ T4858] el0t_64_sync+0x1a0/0x1a4 [ 52.430264][ T4858] ------------[ cut here ]------------ [ 52.431253][ T4858] WARNING: CPU: 0 PID: 4858 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 52.432656][ T4858] Modules linked in: [ 52.433234][ T4858] CPU: 0 PID: 4858 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.434569][ T4858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.435974][ T4858] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.437054][ T4858] pc : btrfs_quota_enable+0xfc4/0x166c [ 52.437830][ T4858] lr : btrfs_quota_enable+0xfc4/0x166c [ 52.438587][ T4858] sp : ffff8000201e7ae0 [ 52.439178][ T4858] x29: ffff8000201e7c40 x28: 0000000000001798 x27: ffff70000403cf6c [ 52.440508][ T4858] x26: ffff0000de15dbb0 x25: 1fffe0001b9be009 x24: fffffffffffffff4 [ 52.441682][ T4858] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de15dc08 [ 52.442933][ T4858] x20: 1fffe0001bc2bb81 x19: ffff0000dcdf0000 x18: 0000000000000001 [ 52.444115][ T4858] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 52.445304][ T4858] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.446493][ T4858] x11: 0000000000000000 x10: 0000000000000000 x9 : ae68c23091c9bd00 [ 52.447652][ T4858] x8 : ae68c23091c9bd00 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.448825][ T4858] x5 : ffff8000201e73d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 52.449998][ T4858] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.451231][ T4858] Call trace: [ 52.451738][ T4858] btrfs_quota_enable+0xfc4/0x166c [ 52.452525][ T4858] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.453291][ T4858] btrfs_ioctl+0x6f0/0xb38 [ 52.453931][ T4858] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.454656][ T4858] invoke_syscall+0x98/0x2b8 [ 52.455317][ T4858] el0_svc_common+0x138/0x258 [ 52.455939][ T4858] do_el0_svc+0x58/0x14c [ 52.456592][ T4858] el0_svc+0x78/0x1e0 [ 52.457178][ T4858] el0t_64_sync_handler+0xcc/0xe4 [ 52.457938][ T4858] el0t_64_sync+0x1a0/0x1a4 [ 52.458549][ T4858] irq event stamp: 79956 [ 52.459167][ T4858] hardirqs last enabled at (79955): [] __up_console_sem+0xb4/0x100 [ 52.460607][ T4858] hardirqs last disabled at (79956): [] el1_dbg+0x24/0x80 [ 52.461824][ T4858] softirqs last enabled at (79936): [] handle_softirqs+0xa4c/0xbf0 [ 52.463201][ T4858] softirqs last disabled at (79907): [] __irq_exit_rcu+0x240/0x440 [ 52.464493][ T4858] ---[ end trace 8d2d3cb32adb5bea ]--- [ 52.465450][ T4858] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 52.466866][ T4858] BTRFS info (device loop0): forced readonly [ 52.664550][ T4879] loop0: detected capacity change from 0 to 32768 [ 52.667062][ T4879] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4879) [ 52.676927][ T4879] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.679018][ T4879] BTRFS info (device loop0): using free space tree [ 52.680304][ T4879] BTRFS info (device loop0): has skinny extents [ 52.699426][ T4879] BTRFS info (device loop0): enabling ssd optimizations [ 52.703823][ T4879] FAULT_INJECTION: forcing a failure. [ 52.703823][ T4879] name failslab, interval 1, probability 0, space 0, times 0 [ 52.705886][ T4879] CPU: 0 PID: 4879 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.707167][ T4879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.708552][ T4879] Call trace: [ 52.709063][ T4879] dump_backtrace+0x0/0x43c [ 52.709702][ T4879] show_stack+0x2c/0x3c [ 52.710309][ T4879] __dump_stack+0x30/0x40 [ 52.710928][ T4879] dump_stack_lvl+0xf8/0x160 [ 52.711578][ T4879] dump_stack+0x1c/0x5c [ 52.712157][ T4879] should_fail+0x3c0/0x51c [ 52.712808][ T4879] __should_failslab+0xbc/0x10c [ 52.713527][ T4879] should_failslab+0x10/0x28 [ 52.714196][ T4879] slab_pre_alloc_hook+0x64/0xec [ 52.714887][ T4879] kmem_cache_alloc_trace+0x98/0x3fc [ 52.715610][ T4879] btrfs_alloc_root+0x8c/0x97c [ 52.716266][ T4879] btrfs_create_tree+0x104/0x984 [ 52.716920][ T4879] btrfs_quota_enable+0x348/0x166c [ 52.717683][ T4879] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.718424][ T4879] btrfs_ioctl+0x6f0/0xb38 [ 52.719063][ T4879] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.719717][ T4879] invoke_syscall+0x98/0x2b8 [ 52.720377][ T4879] el0_svc_common+0x138/0x258 [ 52.721021][ T4879] do_el0_svc+0x58/0x14c [ 52.721608][ T4879] el0_svc+0x78/0x1e0 [ 52.722160][ T4879] el0t_64_sync_handler+0xcc/0xe4 [ 52.722901][ T4879] el0t_64_sync+0x1a0/0x1a4 [ 52.724725][ T4879] ------------[ cut here ]------------ [ 52.725709][ T4879] WARNING: CPU: 0 PID: 4879 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 52.727141][ T4879] Modules linked in: [ 52.727685][ T4879] CPU: 0 PID: 4879 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.729020][ T4879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.730518][ T4879] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.731639][ T4879] pc : btrfs_quota_enable+0xfc4/0x166c [ 52.732415][ T4879] lr : btrfs_quota_enable+0xfc4/0x166c [ 52.733207][ T4879] sp : ffff8000201e7ae0 [ 52.733773][ T4879] x29: ffff8000201e7c40 x28: 0000000000001798 x27: ffff70000403cf6c [ 52.734947][ T4879] x26: ffff0000de15dd10 x25: 1fffe0001b9be009 x24: fffffffffffffff4 [ 52.736155][ T4879] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de15dd68 [ 52.737317][ T4879] x20: 1fffe0001bc2bbad x19: ffff0000dcdf0000 x18: 0000000000000001 [ 52.738425][ T4879] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 52.739620][ T4879] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.740702][ T4879] x11: 0000000000000000 x10: 0000000000000000 x9 : 7d4fe1aec95d1700 [ 52.741813][ T4879] x8 : 7d4fe1aec95d1700 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.742947][ T4879] x5 : ffff8000201e73d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 52.744105][ T4879] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.745230][ T4879] Call trace: [ 52.745674][ T4879] btrfs_quota_enable+0xfc4/0x166c [ 52.746404][ T4879] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.747174][ T4879] btrfs_ioctl+0x6f0/0xb38 [ 52.747801][ T4879] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.748531][ T4879] invoke_syscall+0x98/0x2b8 [ 52.749193][ T4879] el0_svc_common+0x138/0x258 [ 52.749907][ T4879] do_el0_svc+0x58/0x14c [ 52.750586][ T4879] el0_svc+0x78/0x1e0 [ 52.751150][ T4879] el0t_64_sync_handler+0xcc/0xe4 [ 52.751825][ T4879] el0t_64_sync+0x1a0/0x1a4 [ 52.752468][ T4879] irq event stamp: 80528 [ 52.753058][ T4879] hardirqs last enabled at (80527): [] __up_console_sem+0xb4/0x100 [ 52.754380][ T4879] hardirqs last disabled at (80528): [] el1_dbg+0x24/0x80 [ 52.755571][ T4879] softirqs last enabled at (80508): [] handle_softirqs+0xa4c/0xbf0 [ 52.756862][ T4879] softirqs last disabled at (80347): [] __irq_exit_rcu+0x240/0x440 [ 52.758151][ T4879] ---[ end trace 8d2d3cb32adb5beb ]--- [ 52.760634][ T4879] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 52.761946][ T4879] BTRFS info (device loop0): forced readonly 1970/01/01 00:00:52 executed programs: 13 [ 52.968033][ T4900] loop0: detected capacity change from 0 to 32768 [ 52.978052][ T4900] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4900) [ 52.990322][ T4900] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.991880][ T4900] BTRFS info (device loop0): using free space tree [ 52.992926][ T4900] BTRFS info (device loop0): has skinny extents [ 53.002672][ T4900] BTRFS info (device loop0): enabling ssd optimizations [ 53.006454][ T4900] FAULT_INJECTION: forcing a failure. [ 53.006454][ T4900] name failslab, interval 1, probability 0, space 0, times 0 [ 53.009832][ T4900] CPU: 1 PID: 4900 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.011237][ T4900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.012905][ T4900] Call trace: [ 53.013398][ T4900] dump_backtrace+0x0/0x43c [ 53.014062][ T4900] show_stack+0x2c/0x3c [ 53.014636][ T4900] __dump_stack+0x30/0x40 [ 53.015306][ T4900] dump_stack_lvl+0xf8/0x160 [ 53.015996][ T4900] dump_stack+0x1c/0x5c [ 53.016594][ T4900] should_fail+0x3c0/0x51c [ 53.017243][ T4900] __should_failslab+0xbc/0x10c [ 53.018011][ T4900] should_failslab+0x10/0x28 [ 53.018706][ T4900] slab_pre_alloc_hook+0x64/0xec [ 53.019435][ T4900] kmem_cache_alloc+0x94/0x3e4 [ 53.020125][ T4900] __kernfs_new_node+0xe4/0x5d8 [ 53.020822][ T4900] kernfs_new_node+0x11c/0x240 [ 53.021487][ T4900] kernfs_create_dir_ns+0x58/0x12c [ 53.022239][ T4900] sysfs_create_dir_ns+0x114/0x24c [ 53.023015][ T4900] kobject_add_internal+0x590/0xc54 [ 53.023783][ T4900] kobject_add+0x134/0x1f8 [ 53.024427][ T4900] kobject_create_and_add+0x140/0x214 [ 53.025182][ T4900] btrfs_sysfs_add_qgroups+0xe8/0x270 [ 53.025924][ T4900] btrfs_quota_enable+0x18c/0x166c [ 53.026656][ T4900] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.027476][ T4900] btrfs_ioctl+0x6f0/0xb38 [ 53.028082][ T4900] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.028805][ T4900] invoke_syscall+0x98/0x2b8 [ 53.029455][ T4900] el0_svc_common+0x138/0x258 [ 53.030152][ T4900] do_el0_svc+0x58/0x14c [ 53.030795][ T4900] el0_svc+0x78/0x1e0 [ 53.031399][ T4900] el0t_64_sync_handler+0xcc/0xe4 [ 53.032107][ T4900] el0t_64_sync+0x1a0/0x1a4 [ 53.033663][ T4900] kobject_add_internal failed for qgroups (error: -12 parent: a6a605fc-d5f1-4e66-8595-3726e2b761d6) [ 53.035386][ T4900] kobject_create_and_add: kobject_add error: -12 [ 53.226497][ T4921] loop0: detected capacity change from 0 to 32768 [ 53.232357][ T4921] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4921) [ 53.236806][ T4921] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.238526][ T4921] BTRFS info (device loop0): using free space tree [ 53.239529][ T4921] BTRFS info (device loop0): has skinny extents [ 53.248396][ T4921] BTRFS info (device loop0): enabling ssd optimizations [ 53.252382][ T4921] FAULT_INJECTION: forcing a failure. [ 53.252382][ T4921] name failslab, interval 1, probability 0, space 0, times 0 [ 53.254424][ T4921] CPU: 1 PID: 4921 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.255734][ T4921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.257134][ T4921] Call trace: [ 53.257616][ T4921] dump_backtrace+0x0/0x43c [ 53.258303][ T4921] show_stack+0x2c/0x3c [ 53.258938][ T4921] __dump_stack+0x30/0x40 [ 53.259591][ T4921] dump_stack_lvl+0xf8/0x160 [ 53.260371][ T4921] dump_stack+0x1c/0x5c [ 53.261087][ T4921] should_fail+0x3c0/0x51c [ 53.261818][ T4921] __should_failslab+0xbc/0x10c [ 53.262593][ T4921] should_failslab+0x10/0x28 [ 53.263384][ T4921] slab_pre_alloc_hook+0x64/0xec [ 53.264136][ T4921] kmem_cache_alloc+0x94/0x3e4 [ 53.264918][ T4921] start_transaction+0x4d0/0x13f0 [ 53.265674][ T4921] btrfs_start_transaction+0x34/0x44 [ 53.266421][ T4921] btrfs_quota_enable+0x1b8/0x166c [ 53.267178][ T4921] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.267952][ T4921] btrfs_ioctl+0x6f0/0xb38 [ 53.268614][ T4921] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.269365][ T4921] invoke_syscall+0x98/0x2b8 [ 53.270011][ T4921] el0_svc_common+0x138/0x258 [ 53.270665][ T4921] do_el0_svc+0x58/0x14c [ 53.271309][ T4921] el0_svc+0x78/0x1e0 [ 53.271891][ T4921] el0t_64_sync_handler+0xcc/0xe4 [ 53.272637][ T4921] el0t_64_sync+0x1a0/0x1a4 [ 53.454494][ T4942] loop0: detected capacity change from 0 to 32768 [ 53.457221][ T4942] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4942) [ 53.461763][ T4942] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.463664][ T4942] BTRFS info (device loop0): using free space tree [ 53.464793][ T4942] BTRFS info (device loop0): has skinny extents [ 53.476427][ T4942] BTRFS info (device loop0): enabling ssd optimizations [ 53.480681][ T4942] FAULT_INJECTION: forcing a failure. [ 53.480681][ T4942] name failslab, interval 1, probability 0, space 0, times 0 [ 53.482623][ T4942] CPU: 0 PID: 4942 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.484008][ T4942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.485469][ T4942] Call trace: [ 53.485931][ T4942] dump_backtrace+0x0/0x43c [ 53.486582][ T4942] show_stack+0x2c/0x3c [ 53.487235][ T4942] __dump_stack+0x30/0x40 [ 53.487814][ T4942] dump_stack_lvl+0xf8/0x160 [ 53.488481][ T4942] dump_stack+0x1c/0x5c [ 53.489063][ T4942] should_fail+0x3c0/0x51c [ 53.489733][ T4942] __should_failslab+0xbc/0x10c [ 53.490406][ T4942] should_failslab+0x10/0x28 [ 53.491058][ T4942] slab_pre_alloc_hook+0x64/0xec [ 53.491719][ T4942] kmem_cache_alloc_trace+0x98/0x3fc [ 53.492405][ T4942] btrfs_alloc_root+0x8c/0x97c [ 53.493026][ T4942] btrfs_create_tree+0x104/0x984 [ 53.493745][ T4942] btrfs_quota_enable+0x348/0x166c [ 53.494445][ T4942] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.495214][ T4942] btrfs_ioctl+0x6f0/0xb38 [ 53.495879][ T4942] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.496652][ T4942] invoke_syscall+0x98/0x2b8 [ 53.497282][ T4942] el0_svc_common+0x138/0x258 [ 53.497941][ T4942] do_el0_svc+0x58/0x14c [ 53.498519][ T4942] el0_svc+0x78/0x1e0 [ 53.499083][ T4942] el0t_64_sync_handler+0xcc/0xe4 [ 53.499811][ T4942] el0t_64_sync+0x1a0/0x1a4 [ 53.502119][ T4942] ------------[ cut here ]------------ [ 53.503073][ T4942] WARNING: CPU: 0 PID: 4942 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 53.504534][ T4942] Modules linked in: [ 53.505150][ T4942] CPU: 0 PID: 4942 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.506603][ T4942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.508088][ T4942] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.509223][ T4942] pc : btrfs_quota_enable+0xfc4/0x166c [ 53.510042][ T4942] lr : btrfs_quota_enable+0xfc4/0x166c [ 53.510971][ T4942] sp : ffff8000205f7ae0 [ 53.511517][ T4942] x29: ffff8000205f7c40 x28: 0000000000001798 x27: ffff7000040bef6c [ 53.512733][ T4942] x26: ffff0000de15de70 x25: 1fffe0001a457009 x24: fffffffffffffff4 [ 53.513867][ T4942] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de15dec8 [ 53.515136][ T4942] x20: 1fffe0001bc2bbd9 x19: ffff0000d22b8000 x18: 0000000000000001 [ 53.516312][ T4942] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 53.517444][ T4942] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 53.518608][ T4942] x11: 0000000000000000 x10: 0000000000000000 x9 : b2556990a3f42100 [ 53.519740][ T4942] x8 : b2556990a3f42100 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.520898][ T4942] x5 : ffff8000205f73d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 53.522019][ T4942] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.523144][ T4942] Call trace: [ 53.523582][ T4942] btrfs_quota_enable+0xfc4/0x166c [ 53.524317][ T4942] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.525039][ T4942] btrfs_ioctl+0x6f0/0xb38 [ 53.525632][ T4942] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.526331][ T4942] invoke_syscall+0x98/0x2b8 [ 53.526977][ T4942] el0_svc_common+0x138/0x258 [ 53.527687][ T4942] do_el0_svc+0x58/0x14c [ 53.528303][ T4942] el0_svc+0x78/0x1e0 [ 53.528826][ T4942] el0t_64_sync_handler+0xcc/0xe4 [ 53.529544][ T4942] el0t_64_sync+0x1a0/0x1a4 [ 53.530168][ T4942] irq event stamp: 80074 [ 53.530783][ T4942] hardirqs last enabled at (80073): [] __up_console_sem+0xb4/0x100 [ 53.532135][ T4942] hardirqs last disabled at (80074): [] el1_dbg+0x24/0x80 [ 53.533338][ T4942] softirqs last enabled at (80054): [] handle_softirqs+0xa4c/0xbf0 [ 53.534605][ T4942] softirqs last disabled at (80033): [] __irq_exit_rcu+0x240/0x440 [ 53.535872][ T4942] ---[ end trace 8d2d3cb32adb5bec ]--- [ 53.537776][ T4942] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 53.539144][ T4942] BTRFS info (device loop0): forced readonly [ 53.725599][ T4963] loop0: detected capacity change from 0 to 32768 [ 53.729204][ T4963] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4963) [ 53.737975][ T4963] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.739450][ T4963] BTRFS info (device loop0): using free space tree [ 53.740457][ T4963] BTRFS info (device loop0): has skinny extents [ 53.760110][ T4963] BTRFS info (device loop0): enabling ssd optimizations [ 53.763902][ T4963] FAULT_INJECTION: forcing a failure. [ 53.763902][ T4963] name failslab, interval 1, probability 0, space 0, times 0 [ 53.765931][ T4963] CPU: 0 PID: 4963 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.767260][ T4963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.768806][ T4963] Call trace: [ 53.769303][ T4963] dump_backtrace+0x0/0x43c [ 53.769941][ T4963] show_stack+0x2c/0x3c [ 53.770580][ T4963] __dump_stack+0x30/0x40 [ 53.771191][ T4963] dump_stack_lvl+0xf8/0x160 [ 53.771840][ T4963] dump_stack+0x1c/0x5c [ 53.772402][ T4963] should_fail+0x3c0/0x51c [ 53.773043][ T4963] __should_failslab+0xbc/0x10c [ 53.773762][ T4963] should_failslab+0x10/0x28 [ 53.774431][ T4963] slab_pre_alloc_hook+0x64/0xec [ 53.775148][ T4963] kmem_cache_alloc+0x94/0x3e4 [ 53.775885][ T4963] __kernfs_new_node+0xe4/0x5d8 [ 53.776581][ T4963] kernfs_new_node+0x11c/0x240 [ 53.777236][ T4963] kernfs_create_dir_ns+0x58/0x12c [ 53.777951][ T4963] sysfs_create_dir_ns+0x114/0x24c [ 53.778640][ T4963] kobject_add_internal+0x590/0xc54 [ 53.779350][ T4963] kobject_add+0x134/0x1f8 [ 53.780003][ T4963] kobject_create_and_add+0x140/0x214 [ 53.780777][ T4963] btrfs_sysfs_add_qgroups+0xe8/0x270 [ 53.781578][ T4963] btrfs_quota_enable+0x18c/0x166c [ 53.782245][ T4963] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.783070][ T4963] btrfs_ioctl+0x6f0/0xb38 [ 53.783702][ T4963] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.784365][ T4963] invoke_syscall+0x98/0x2b8 [ 53.785034][ T4963] el0_svc_common+0x138/0x258 [ 53.785719][ T4963] do_el0_svc+0x58/0x14c [ 53.786340][ T4963] el0_svc+0x78/0x1e0 [ 53.786952][ T4963] el0t_64_sync_handler+0xcc/0xe4 [ 53.787740][ T4963] el0t_64_sync+0x1a0/0x1a4 [ 53.790104][ T4963] kobject_add_internal failed for qgroups (error: -12 parent: a6a605fc-d5f1-4e66-8595-3726e2b761d6) [ 53.791930][ T4963] kobject_create_and_add: kobject_add error: -12 [ 53.797882][ T4543] Bluetooth: hci0: command 0x040f tx timeout [ 53.993543][ T4984] loop0: detected capacity change from 0 to 32768 [ 53.996081][ T4984] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4984) [ 54.000355][ T4984] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.001903][ T4984] BTRFS info (device loop0): using free space tree [ 54.002870][ T4984] BTRFS info (device loop0): has skinny extents [ 54.012306][ T4984] BTRFS info (device loop0): enabling ssd optimizations [ 54.016174][ T4984] FAULT_INJECTION: forcing a failure. [ 54.016174][ T4984] name failslab, interval 1, probability 0, space 0, times 0 [ 54.018366][ T4984] CPU: 0 PID: 4984 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.019740][ T4984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.021255][ T4984] Call trace: [ 54.021748][ T4984] dump_backtrace+0x0/0x43c [ 54.022375][ T4984] show_stack+0x2c/0x3c [ 54.022982][ T4984] __dump_stack+0x30/0x40 [ 54.023608][ T4984] dump_stack_lvl+0xf8/0x160 [ 54.024338][ T4984] dump_stack+0x1c/0x5c [ 54.024954][ T4984] should_fail+0x3c0/0x51c [ 54.025613][ T4984] __should_failslab+0xbc/0x10c [ 54.026302][ T4984] should_failslab+0x10/0x28 [ 54.026982][ T4984] slab_pre_alloc_hook+0x64/0xec [ 54.027653][ T4984] kmem_cache_alloc_trace+0x98/0x3fc [ 54.028410][ T4984] btrfs_alloc_root+0x8c/0x97c [ 54.029145][ T4984] btrfs_create_tree+0x104/0x984 [ 54.029812][ T4984] btrfs_quota_enable+0x348/0x166c [ 54.030552][ T4984] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.031341][ T4984] btrfs_ioctl+0x6f0/0xb38 [ 54.032045][ T4984] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.032753][ T4984] invoke_syscall+0x98/0x2b8 [ 54.033406][ T4984] el0_svc_common+0x138/0x258 [ 54.034069][ T4984] do_el0_svc+0x58/0x14c [ 54.034677][ T4984] el0_svc+0x78/0x1e0 [ 54.035257][ T4984] el0t_64_sync_handler+0xcc/0xe4 [ 54.036015][ T4984] el0t_64_sync+0x1a0/0x1a4 [ 54.038031][ T4984] ------------[ cut here ]------------ [ 54.039001][ T4984] WARNING: CPU: 0 PID: 4984 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 54.040339][ T4984] Modules linked in: [ 54.040907][ T4984] CPU: 0 PID: 4984 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.042214][ T4984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.043612][ T4984] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.044725][ T4984] pc : btrfs_quota_enable+0xfc4/0x166c [ 54.045486][ T4984] lr : btrfs_quota_enable+0xfc4/0x166c [ 54.046239][ T4984] sp : ffff800020927ae0 [ 54.046813][ T4984] x29: ffff800020927c40 x28: 0000000000001798 x27: ffff700004124f6c [ 54.047983][ T4984] x26: ffff0000de0090b0 x25: 1fffe00019a97809 x24: fffffffffffffff4 [ 54.049094][ T4984] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de009108 [ 54.050230][ T4984] x20: 1fffe0001bc01221 x19: ffff0000cd4bc000 x18: 0000000000000001 [ 54.051362][ T4984] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 54.052510][ T4984] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.053572][ T4984] x11: 0000000000000000 x10: 0000000000000000 x9 : 4573b85c97eb6d00 [ 54.054659][ T4984] x8 : 4573b85c97eb6d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.055794][ T4984] x5 : ffff8000209273d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 54.056939][ T4984] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.057983][ T4984] Call trace: [ 54.058421][ T4984] btrfs_quota_enable+0xfc4/0x166c [ 54.059190][ T4984] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.059912][ T4984] btrfs_ioctl+0x6f0/0xb38 [ 54.060546][ T4984] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.061247][ T4984] invoke_syscall+0x98/0x2b8 [ 54.061864][ T4984] el0_svc_common+0x138/0x258 [ 54.062493][ T4984] do_el0_svc+0x58/0x14c [ 54.063112][ T4984] el0_svc+0x78/0x1e0 [ 54.063655][ T4984] el0t_64_sync_handler+0xcc/0xe4 [ 54.064320][ T4984] el0t_64_sync+0x1a0/0x1a4 [ 54.064943][ T4984] irq event stamp: 79662 [ 54.065527][ T4984] hardirqs last enabled at (79661): [] __up_console_sem+0xb4/0x100 [ 54.066836][ T4984] hardirqs last disabled at (79662): [] el1_dbg+0x24/0x80 [ 54.068036][ T4984] softirqs last enabled at (79642): [] handle_softirqs+0xa4c/0xbf0 [ 54.069395][ T4984] softirqs last disabled at (79551): [] __irq_exit_rcu+0x240/0x440 [ 54.070700][ T4984] ---[ end trace 8d2d3cb32adb5bed ]--- [ 54.072371][ T4984] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 54.073719][ T4984] BTRFS info (device loop0): forced readonly [ 54.254085][ T5005] loop0: detected capacity change from 0 to 32768 [ 54.256704][ T5005] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5005) [ 54.266368][ T5005] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.267829][ T5005] BTRFS info (device loop0): using free space tree [ 54.268787][ T5005] BTRFS info (device loop0): has skinny extents [ 54.286727][ T5005] BTRFS info (device loop0): enabling ssd optimizations [ 54.291456][ T5005] FAULT_INJECTION: forcing a failure. [ 54.291456][ T5005] name failslab, interval 1, probability 0, space 0, times 0 [ 54.293405][ T5005] CPU: 1 PID: 5005 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.294665][ T5005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.296065][ T5005] Call trace: [ 54.296520][ T5005] dump_backtrace+0x0/0x43c [ 54.297188][ T5005] show_stack+0x2c/0x3c [ 54.297764][ T5005] __dump_stack+0x30/0x40 [ 54.298464][ T5005] dump_stack_lvl+0xf8/0x160 [ 54.299132][ T5005] dump_stack+0x1c/0x5c [ 54.299717][ T5005] should_fail+0x3c0/0x51c [ 54.300347][ T5005] __should_failslab+0xbc/0x10c [ 54.301028][ T5005] should_failslab+0x10/0x28 [ 54.301747][ T5005] slab_pre_alloc_hook+0x64/0xec [ 54.302467][ T5005] kmem_cache_alloc_trace+0x98/0x3fc [ 54.303239][ T5005] btrfs_alloc_root+0x8c/0x97c [ 54.303974][ T5005] btrfs_create_tree+0x104/0x984 [ 54.304664][ T5005] btrfs_quota_enable+0x348/0x166c [ 54.305396][ T5005] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.306208][ T5005] btrfs_ioctl+0x6f0/0xb38 [ 54.306817][ T5005] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.307506][ T5005] invoke_syscall+0x98/0x2b8 [ 54.308152][ T5005] el0_svc_common+0x138/0x258 [ 54.308837][ T5005] do_el0_svc+0x58/0x14c [ 54.309444][ T5005] el0_svc+0x78/0x1e0 [ 54.309977][ T5005] el0t_64_sync_handler+0xcc/0xe4 [ 54.310686][ T5005] el0t_64_sync+0x1a0/0x1a4 [ 54.314401][ T5005] ------------[ cut here ]------------ [ 54.315445][ T5005] WARNING: CPU: 1 PID: 5005 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 54.316886][ T5005] Modules linked in: [ 54.317483][ T5005] CPU: 1 PID: 5005 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.318816][ T5005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.320341][ T5005] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.321453][ T5005] pc : btrfs_quota_enable+0xfc4/0x166c [ 54.322307][ T5005] lr : btrfs_quota_enable+0xfc4/0x166c [ 54.323112][ T5005] sp : ffff800020957ae0 [ 54.323738][ T5005] x29: ffff800020957c40 x28: 0000000000001798 x27: ffff70000412af6c [ 54.324934][ T5005] x26: ffff0000de05e8f0 x25: 1fffe0001a45d009 x24: fffffffffffffff4 [ 54.326139][ T5005] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de05e948 [ 54.327271][ T5005] x20: 1fffe0001bc0bd29 x19: ffff0000d22e8000 x18: 0000000000000001 [ 54.328423][ T5005] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 54.329551][ T5005] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.330693][ T5005] x11: 0000000000000000 x10: 0000000000000000 x9 : 8d994f64aa129700 [ 54.331877][ T5005] x8 : 8d994f64aa129700 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.333035][ T5005] x5 : ffff8000209573d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 54.334212][ T5005] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.335403][ T5005] Call trace: [ 54.335848][ T5005] btrfs_quota_enable+0xfc4/0x166c [ 54.336566][ T5005] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.337294][ T5005] btrfs_ioctl+0x6f0/0xb38 [ 54.337967][ T5005] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.338722][ T5005] invoke_syscall+0x98/0x2b8 [ 54.339375][ T5005] el0_svc_common+0x138/0x258 [ 54.340076][ T5005] do_el0_svc+0x58/0x14c [ 54.340661][ T5005] el0_svc+0x78/0x1e0 [ 54.341245][ T5005] el0t_64_sync_handler+0xcc/0xe4 [ 54.341983][ T5005] el0t_64_sync+0x1a0/0x1a4 [ 54.342648][ T5005] irq event stamp: 81438 [ 54.343255][ T5005] hardirqs last enabled at (81437): [] __up_console_sem+0xb4/0x100 [ 54.344660][ T5005] hardirqs last disabled at (81438): [] el1_dbg+0x24/0x80 [ 54.345937][ T5005] softirqs last enabled at (81418): [] handle_softirqs+0xa4c/0xbf0 [ 54.347342][ T5005] softirqs last disabled at (81399): [] __irq_exit_rcu+0x240/0x440 [ 54.348710][ T5005] ---[ end trace 8d2d3cb32adb5bee ]--- [ 54.350503][ T5005] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 54.351848][ T5005] BTRFS info (device loop0): forced readonly [ 54.533940][ T5026] loop0: detected capacity change from 0 to 32768 [ 54.536598][ T5026] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5026) [ 54.547089][ T5026] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.548663][ T5026] BTRFS info (device loop0): using free space tree [ 54.549680][ T5026] BTRFS info (device loop0): has skinny extents [ 54.568799][ T5026] BTRFS info (device loop0): enabling ssd optimizations [ 54.572693][ T5026] FAULT_INJECTION: forcing a failure. [ 54.572693][ T5026] name failslab, interval 1, probability 0, space 0, times 0 [ 54.574821][ T5026] CPU: 0 PID: 5026 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.576149][ T5026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.577520][ T5026] Call trace: [ 54.578012][ T5026] dump_backtrace+0x0/0x43c [ 54.578665][ T5026] show_stack+0x2c/0x3c [ 54.579277][ T5026] __dump_stack+0x30/0x40 [ 54.579952][ T5026] dump_stack_lvl+0xf8/0x160 [ 54.580581][ T5026] dump_stack+0x1c/0x5c [ 54.581171][ T5026] should_fail+0x3c0/0x51c [ 54.581768][ T5026] __should_failslab+0xbc/0x10c [ 54.582510][ T5026] should_failslab+0x10/0x28 [ 54.583194][ T5026] slab_pre_alloc_hook+0x64/0xec [ 54.583884][ T5026] kmem_cache_alloc+0x94/0x3e4 [ 54.584652][ T5026] start_transaction+0x4d0/0x13f0 [ 54.585427][ T5026] btrfs_start_transaction+0x34/0x44 [ 54.586170][ T5026] btrfs_quota_enable+0x1b8/0x166c [ 54.586906][ T5026] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.587701][ T5026] btrfs_ioctl+0x6f0/0xb38 [ 54.588292][ T5026] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.588984][ T5026] invoke_syscall+0x98/0x2b8 [ 54.589605][ T5026] el0_svc_common+0x138/0x258 [ 54.590248][ T5026] do_el0_svc+0x58/0x14c [ 54.590838][ T5026] el0_svc+0x78/0x1e0 [ 54.591413][ T5026] el0t_64_sync_handler+0xcc/0xe4 [ 54.592116][ T5026] el0t_64_sync+0x1a0/0x1a4 [ 54.783874][ T5047] loop0: detected capacity change from 0 to 32768 [ 54.786555][ T5047] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5047) [ 54.791251][ T5047] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.792824][ T5047] BTRFS info (device loop0): using free space tree [ 54.793709][ T5047] BTRFS info (device loop0): has skinny extents [ 54.802121][ T5047] BTRFS info (device loop0): enabling ssd optimizations [ 54.806461][ T5047] FAULT_INJECTION: forcing a failure. [ 54.806461][ T5047] name failslab, interval 1, probability 0, space 0, times 0 [ 54.809278][ T5047] CPU: 1 PID: 5047 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.810646][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.812090][ T5047] Call trace: [ 54.812599][ T5047] dump_backtrace+0x0/0x43c [ 54.813248][ T5047] show_stack+0x2c/0x3c [ 54.813835][ T5047] __dump_stack+0x30/0x40 [ 54.814507][ T5047] dump_stack_lvl+0xf8/0x160 [ 54.815185][ T5047] dump_stack+0x1c/0x5c [ 54.815756][ T5047] should_fail+0x3c0/0x51c [ 54.816400][ T5047] __should_failslab+0xbc/0x10c [ 54.817135][ T5047] should_failslab+0x10/0x28 [ 54.817865][ T5047] slab_pre_alloc_hook+0x64/0xec [ 54.818594][ T5047] kmem_cache_alloc_trace+0x98/0x3fc [ 54.819322][ T5047] btrfs_alloc_root+0x8c/0x97c [ 54.820047][ T5047] btrfs_create_tree+0x104/0x984 [ 54.820720][ T5047] btrfs_quota_enable+0x348/0x166c [ 54.821504][ T5047] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.822244][ T5047] btrfs_ioctl+0x6f0/0xb38 [ 54.822858][ T5047] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.823570][ T5047] invoke_syscall+0x98/0x2b8 [ 54.824218][ T5047] el0_svc_common+0x138/0x258 [ 54.824871][ T5047] do_el0_svc+0x58/0x14c [ 54.825504][ T5047] el0_svc+0x78/0x1e0 [ 54.826104][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 54.826848][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 54.827838][ T5047] ------------[ cut here ]------------ [ 54.828821][ T5047] WARNING: CPU: 1 PID: 5047 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 54.830357][ T5047] Modules linked in: [ 54.831016][ T5047] CPU: 1 PID: 5047 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.832409][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.833920][ T5047] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.835106][ T5047] pc : btrfs_quota_enable+0xfc4/0x166c [ 54.835962][ T5047] lr : btrfs_quota_enable+0xfc4/0x166c [ 54.836840][ T5047] sp : ffff800021197ae0 [ 54.837498][ T5047] x29: ffff800021197c40 x28: 0000000000001798 x27: ffff700004232f6c [ 54.838722][ T5047] x26: ffff0000de05ea50 x25: 1fffe0001b55d009 x24: fffffffffffffff4 [ 54.839877][ T5047] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de05eaa8 [ 54.841065][ T5047] x20: 1fffe0001bc0bd55 x19: ffff0000daae8000 x18: 0000000000000001 [ 54.842290][ T5047] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 54.843495][ T5047] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.844618][ T5047] x11: 0000000000000000 x10: 0000000000000000 x9 : 8948cf18ba451300 [ 54.845924][ T5047] x8 : 8948cf18ba451300 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.847129][ T5047] x5 : ffff8000211973d8 x4 : ffff80001426f5a0 x3 : ffff800008302274 [ 54.848236][ T5047] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.849363][ T5047] Call trace: [ 54.849831][ T5047] btrfs_quota_enable+0xfc4/0x166c [ 54.850570][ T5047] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.851342][ T5047] btrfs_ioctl+0x6f0/0xb38 [ 54.851960][ T5047] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.852642][ T5047] invoke_syscall+0x98/0x2b8 [ 54.853400][ T5047] el0_svc_common+0x138/0x258 [ 54.854034][ T5047] do_el0_svc+0x58/0x14c [ 54.854647][ T5047] el0_svc+0x78/0x1e0 [ 54.855225][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 54.856090][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 54.856730][ T5047] irq event stamp: 80228 [ 54.857352][ T5047] hardirqs last enabled at (80227): [] __up_console_sem+0xb4/0x100 [ 54.858765][ T5047] hardirqs last disabled at (80228): [] el1_dbg+0x24/0x80 [ 54.859998][ T5047] softirqs last enabled at (80208): [] handle_softirqs+0xa4c/0xbf0 [ 54.861440][ T5047] softirqs last disabled at (80131): [] __irq_exit_rcu+0x240/0x440 [ 54.862755][ T5047] ---[ end trace 8d2d3cb32adb5bef ]--- [ 54.864602][ T5047] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 54.865981][ T5047] BTRFS info (device loop0): forced readonly [ 55.057458][ T5068] loop0: detected capacity change from 0 to 32768 [ 55.060010][ T5068] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5068) [ 55.064500][ T5068] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.066847][ T5068] BTRFS info (device loop0): using free space tree [ 55.068018][ T5068] BTRFS info (device loop0): has skinny extents [ 55.078416][ T5068] BTRFS info (device loop0): enabling ssd optimizations [ 55.082172][ T5068] FAULT_INJECTION: forcing a failure. [ 55.082172][ T5068] name failslab, interval 1, probability 0, space 0, times 0 [ 55.084161][ T5068] CPU: 1 PID: 5068 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.085384][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.086869][ T5068] Call trace: [ 55.087356][ T5068] dump_backtrace+0x0/0x43c [ 55.088015][ T5068] show_stack+0x2c/0x3c [ 55.088661][ T5068] __dump_stack+0x30/0x40 [ 55.089278][ T5068] dump_stack_lvl+0xf8/0x160 [ 55.089942][ T5068] dump_stack+0x1c/0x5c [ 55.090502][ T5068] should_fail+0x3c0/0x51c [ 55.091124][ T5068] __should_failslab+0xbc/0x10c [ 55.091850][ T5068] should_failslab+0x10/0x28 [ 55.092520][ T5068] slab_pre_alloc_hook+0x64/0xec [ 55.093235][ T5068] kmem_cache_alloc_trace+0x98/0x3fc [ 55.093957][ T5068] btrfs_alloc_root+0x8c/0x97c [ 55.094607][ T5068] btrfs_create_tree+0x104/0x984 [ 55.095314][ T5068] btrfs_quota_enable+0x348/0x166c [ 55.096029][ T5068] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.096793][ T5068] btrfs_ioctl+0x6f0/0xb38 [ 55.097360][ T5068] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.098044][ T5068] invoke_syscall+0x98/0x2b8 [ 55.098686][ T5068] el0_svc_common+0x138/0x258 [ 55.099349][ T5068] do_el0_svc+0x58/0x14c [ 55.099937][ T5068] el0_svc+0x78/0x1e0 [ 55.100549][ T5068] el0t_64_sync_handler+0xcc/0xe4 [ 55.101246][ T5068] el0t_64_sync+0x1a0/0x1a4 [ 55.103224][ T5068] ------------[ cut here ]------------ [ 55.104208][ T5068] WARNING: CPU: 1 PID: 5068 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 55.105719][ T5068] Modules linked in: [ 55.106311][ T5068] CPU: 1 PID: 5068 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.107777][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.109297][ T5068] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.110579][ T5068] pc : btrfs_quota_enable+0xfc4/0x166c [ 55.111452][ T5068] lr : btrfs_quota_enable+0xfc4/0x166c [ 55.112227][ T5068] sp : ffff800021297ae0 [ 55.112810][ T5068] x29: ffff800021297c40 x28: 0000000000001798 x27: ffff700004252f6c [ 55.113882][ T5068] x26: ffff0000de05ebb0 x25: 1fffe0001b55d009 x24: fffffffffffffff4 [ 55.114996][ T5068] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de05ec08 [ 55.116207][ T5068] x20: 1fffe0001bc0bd81 x19: ffff0000daae8000 x18: 0000000000000001 [ 55.117449][ T5068] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 55.118701][ T5068] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.119903][ T5068] x11: 0000000000000000 x10: 0000000000000000 x9 : 4d27a7bcf41c0d00 [ 55.121033][ T5068] x8 : 4d27a7bcf41c0d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.122153][ T5068] x5 : ffff8000212973d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 55.123366][ T5068] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.124511][ T5068] Call trace: [ 55.124976][ T5068] btrfs_quota_enable+0xfc4/0x166c [ 55.125706][ T5068] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.126465][ T5068] btrfs_ioctl+0x6f0/0xb38 [ 55.127078][ T5068] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.127830][ T5068] invoke_syscall+0x98/0x2b8 [ 55.128540][ T5068] el0_svc_common+0x138/0x258 [ 55.129161][ T5068] do_el0_svc+0x58/0x14c [ 55.129742][ T5068] el0_svc+0x78/0x1e0 [ 55.130247][ T5068] el0t_64_sync_handler+0xcc/0xe4 [ 55.130906][ T5068] el0t_64_sync+0x1a0/0x1a4 [ 55.131519][ T5068] irq event stamp: 80264 [ 55.132086][ T5068] hardirqs last enabled at (80263): [] __up_console_sem+0xb4/0x100 [ 55.133384][ T5068] hardirqs last disabled at (80264): [] el1_dbg+0x24/0x80 [ 55.134577][ T5068] softirqs last enabled at (80244): [] handle_softirqs+0xa4c/0xbf0 [ 55.135935][ T5068] softirqs last disabled at (80171): [] __irq_exit_rcu+0x240/0x440 [ 55.137363][ T5068] ---[ end trace 8d2d3cb32adb5bf0 ]--- [ 55.138960][ T5068] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 55.140377][ T5068] BTRFS info (device loop0): forced readonly [ 55.348388][ T5089] loop0: detected capacity change from 0 to 32768 [ 55.350769][ T5089] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5089) [ 55.354781][ T5089] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.356435][ T5089] BTRFS info (device loop0): using free space tree [ 55.357569][ T5089] BTRFS info (device loop0): has skinny extents [ 55.369036][ T5089] BTRFS info (device loop0): enabling ssd optimizations [ 55.372450][ T5089] FAULT_INJECTION: forcing a failure. [ 55.372450][ T5089] name failslab, interval 1, probability 0, space 0, times 0 [ 55.374682][ T5089] CPU: 1 PID: 5089 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.376116][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.377722][ T5089] Call trace: [ 55.378231][ T5089] dump_backtrace+0x0/0x43c [ 55.378937][ T5089] show_stack+0x2c/0x3c [ 55.379552][ T5089] __dump_stack+0x30/0x40 [ 55.380207][ T5089] dump_stack_lvl+0xf8/0x160 [ 55.380880][ T5089] dump_stack+0x1c/0x5c [ 55.381463][ T5089] should_fail+0x3c0/0x51c [ 55.382103][ T5089] __should_failslab+0xbc/0x10c [ 55.382855][ T5089] should_failslab+0x10/0x28 [ 55.383487][ T5089] slab_pre_alloc_hook+0x64/0xec [ 55.384191][ T5089] kmem_cache_alloc_trace+0x98/0x3fc [ 55.384956][ T5089] btrfs_alloc_root+0x8c/0x97c [ 55.385681][ T5089] btrfs_create_tree+0x104/0x984 [ 55.386422][ T5089] btrfs_quota_enable+0x348/0x166c [ 55.387181][ T5089] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.387943][ T5089] btrfs_ioctl+0x6f0/0xb38 [ 55.388642][ T5089] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.389404][ T5089] invoke_syscall+0x98/0x2b8 [ 55.390075][ T5089] el0_svc_common+0x138/0x258 [ 55.390785][ T5089] do_el0_svc+0x58/0x14c [ 55.391412][ T5089] el0_svc+0x78/0x1e0 [ 55.391973][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 55.392674][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 55.393432][ T5089] ------------[ cut here ]------------ [ 55.394424][ T5089] WARNING: CPU: 1 PID: 5089 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 55.395994][ T5089] Modules linked in: [ 55.396649][ T5089] CPU: 1 PID: 5089 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.398099][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.399622][ T5089] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.400836][ T5089] pc : btrfs_quota_enable+0xfc4/0x166c [ 55.401646][ T5089] lr : btrfs_quota_enable+0xfc4/0x166c [ 55.402505][ T5089] sp : ffff800021297ae0 [ 55.403107][ T5089] x29: ffff800021297c40 x28: 0000000000001798 x27: ffff700004252f6c [ 55.404296][ T5089] x26: ffff0000de05ed10 x25: 1fffe00019d3b009 x24: fffffffffffffff4 [ 55.405525][ T5089] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de05ed68 [ 55.406734][ T5089] x20: 1fffe0001bc0bdad x19: ffff0000ce9d8000 x18: 0000000000000001 [ 55.407894][ T5089] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 55.409060][ T5089] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.410286][ T5089] x11: 0000000000000000 x10: 0000000000000000 x9 : 2a67c8e9af3fc300 [ 55.411435][ T5089] x8 : 2a67c8e9af3fc300 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.412610][ T5089] x5 : ffff8000212973d8 x4 : ffff80001426f5a0 x3 : ffff800008302274 [ 55.413824][ T5089] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.415018][ T5089] Call trace: [ 55.415498][ T5089] btrfs_quota_enable+0xfc4/0x166c [ 55.416268][ T5089] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.417064][ T5089] btrfs_ioctl+0x6f0/0xb38 [ 55.417732][ T5089] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.418468][ T5089] invoke_syscall+0x98/0x2b8 [ 55.419114][ T5089] el0_svc_common+0x138/0x258 [ 55.419792][ T5089] do_el0_svc+0x58/0x14c [ 55.420456][ T5089] el0_svc+0x78/0x1e0 [ 55.421046][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 55.421756][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 55.422418][ T5089] irq event stamp: 80360 [ 55.423069][ T5089] hardirqs last enabled at (80359): [] __up_console_sem+0xb4/0x100 [ 55.424514][ T5089] hardirqs last disabled at (80360): [] el1_dbg+0x24/0x80 [ 55.425816][ T5089] softirqs last enabled at (80340): [] handle_softirqs+0xa4c/0xbf0 [ 55.427161][ T5089] softirqs last disabled at (80333): [] __irq_exit_rcu+0x240/0x440 [ 55.428454][ T5089] ---[ end trace 8d2d3cb32adb5bf1 ]--- [ 55.429387][ T5089] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 55.430738][ T5089] BTRFS info (device loop0): forced readonly [ 55.626483][ T5110] loop0: detected capacity change from 0 to 32768 [ 55.631421][ T5110] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5110) [ 55.636555][ T5110] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.638418][ T5110] BTRFS info (device loop0): using free space tree [ 55.639539][ T5110] BTRFS info (device loop0): has skinny extents [ 55.647415][ T5110] BTRFS info (device loop0): enabling ssd optimizations [ 55.651637][ T5110] FAULT_INJECTION: forcing a failure. [ 55.651637][ T5110] name failslab, interval 1, probability 0, space 0, times 0 [ 55.653695][ T5110] CPU: 1 PID: 5110 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.654969][ T5110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.656521][ T5110] Call trace: [ 55.656968][ T5110] dump_backtrace+0x0/0x43c [ 55.657675][ T5110] show_stack+0x2c/0x3c [ 55.658296][ T5110] __dump_stack+0x30/0x40 [ 55.658968][ T5110] dump_stack_lvl+0xf8/0x160 [ 55.659663][ T5110] dump_stack+0x1c/0x5c [ 55.660249][ T5110] should_fail+0x3c0/0x51c [ 55.660889][ T5110] __should_failslab+0xbc/0x10c [ 55.661569][ T5110] should_failslab+0x10/0x28 [ 55.662203][ T5110] slab_pre_alloc_hook+0x64/0xec [ 55.662998][ T5110] kmem_cache_alloc+0x94/0x3e4 [ 55.663661][ T5110] start_transaction+0x4d0/0x13f0 [ 55.664410][ T5110] btrfs_start_transaction+0x34/0x44 [ 55.665238][ T5110] btrfs_quota_enable+0x1b8/0x166c [ 55.666000][ T5110] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.666835][ T5110] btrfs_ioctl+0x6f0/0xb38 [ 55.667522][ T5110] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.668162][ T5110] invoke_syscall+0x98/0x2b8 [ 55.668920][ T5110] el0_svc_common+0x138/0x258 [ 55.669586][ T5110] do_el0_svc+0x58/0x14c [ 55.670178][ T5110] el0_svc+0x78/0x1e0 [ 55.670767][ T5110] el0t_64_sync_handler+0xcc/0xe4 [ 55.671513][ T5110] el0t_64_sync+0x1a0/0x1a4 [ 55.847685][ T4535] Bluetooth: hci0: command 0x0419 tx timeout [ 55.853473][ T5131] loop0: detected capacity change from 0 to 32768 [ 55.856003][ T5131] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5131) [ 55.865513][ T5131] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.866954][ T5131] BTRFS info (device loop0): using free space tree [ 55.868004][ T5131] BTRFS info (device loop0): has skinny extents [ 55.875532][ T5131] BTRFS info (device loop0): enabling ssd optimizations [ 55.879000][ T5131] FAULT_INJECTION: forcing a failure. [ 55.879000][ T5131] name failslab, interval 1, probability 0, space 0, times 0 [ 55.880860][ T5131] CPU: 0 PID: 5131 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.882165][ T5131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.883594][ T5131] Call trace: [ 55.884066][ T5131] dump_backtrace+0x0/0x43c [ 55.884716][ T5131] show_stack+0x2c/0x3c [ 55.885283][ T5131] __dump_stack+0x30/0x40 [ 55.885867][ T5131] dump_stack_lvl+0xf8/0x160 [ 55.886590][ T5131] dump_stack+0x1c/0x5c [ 55.887186][ T5131] should_fail+0x3c0/0x51c [ 55.887799][ T5131] __should_failslab+0xbc/0x10c [ 55.888537][ T5131] should_failslab+0x10/0x28 [ 55.889167][ T5131] slab_pre_alloc_hook+0x64/0xec [ 55.889880][ T5131] kmem_cache_alloc_trace+0x98/0x3fc [ 55.890568][ T5131] btrfs_alloc_root+0x8c/0x97c [ 55.891266][ T5131] btrfs_create_tree+0x104/0x984 [ 55.891928][ T5131] btrfs_quota_enable+0x348/0x166c [ 55.892624][ T5131] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.893344][ T5131] btrfs_ioctl+0x6f0/0xb38 [ 55.893972][ T5131] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.894632][ T5131] invoke_syscall+0x98/0x2b8 [ 55.895288][ T5131] el0_svc_common+0x138/0x258 [ 55.895940][ T5131] do_el0_svc+0x58/0x14c [ 55.896523][ T5131] el0_svc+0x78/0x1e0 [ 55.897036][ T5131] el0t_64_sync_handler+0xcc/0xe4 [ 55.897703][ T5131] el0t_64_sync+0x1a0/0x1a4 [ 55.898549][ T5131] ------------[ cut here ]------------ [ 55.899417][ T5131] WARNING: CPU: 0 PID: 5131 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 55.900720][ T5131] Modules linked in: [ 55.901256][ T5131] CPU: 0 PID: 5131 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.902547][ T5131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.903883][ T5131] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.904973][ T5131] pc : btrfs_quota_enable+0xfc4/0x166c [ 55.905726][ T5131] lr : btrfs_quota_enable+0xfc4/0x166c [ 55.906518][ T5131] sp : ffff8000215f7ae0 [ 55.907113][ T5131] x29: ffff8000215f7c40 x28: 0000000000001798 x27: ffff7000042bef6c [ 55.908225][ T5131] x26: ffff0000de009420 x25: 1fffe0001b9ac809 x24: fffffffffffffff4 [ 55.909427][ T5131] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de009478 [ 55.910621][ T5131] x20: 1fffe0001bc0128f x19: ffff0000dcd64000 x18: 0000000000000001 [ 55.911773][ T5131] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 55.912937][ T5131] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.914150][ T5131] x11: 0000000000000000 x10: 0000000000000000 x9 : 3f378276fd997d00 [ 55.915282][ T5131] x8 : 3f378276fd997d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.916405][ T5131] x5 : ffff8000215f73d8 x4 : ffff80001426f5a0 x3 : ffff800008302274 [ 55.917573][ T5131] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.918703][ T5131] Call trace: [ 55.919159][ T5131] btrfs_quota_enable+0xfc4/0x166c [ 55.919873][ T5131] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.920590][ T5131] btrfs_ioctl+0x6f0/0xb38 [ 55.921193][ T5131] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.921876][ T5131] invoke_syscall+0x98/0x2b8 [ 55.922519][ T5131] el0_svc_common+0x138/0x258 [ 55.923174][ T5131] do_el0_svc+0x58/0x14c [ 55.923757][ T5131] el0_svc+0x78/0x1e0 [ 55.924295][ T5131] el0t_64_sync_handler+0xcc/0xe4 [ 55.924996][ T5131] el0t_64_sync+0x1a0/0x1a4 [ 55.925590][ T5131] irq event stamp: 80010 [ 55.926196][ T5131] hardirqs last enabled at (80009): [] __up_console_sem+0xb4/0x100 [ 55.927537][ T5131] hardirqs last disabled at (80010): [] el1_dbg+0x24/0x80 [ 55.928701][ T5131] softirqs last enabled at (79990): [] handle_softirqs+0xa4c/0xbf0 [ 55.930005][ T5131] softirqs last disabled at (79903): [] __irq_exit_rcu+0x240/0x440 [ 55.931382][ T5131] ---[ end trace 8d2d3cb32adb5bf2 ]--- [ 55.932373][ T5131] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 55.933752][ T5131] BTRFS info (device loop0): forced readonly [ 56.122576][ T5152] loop0: detected capacity change from 0 to 32768 [ 56.125238][ T5152] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5152) [ 56.128659][ T5152] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.131177][ T5152] BTRFS info (device loop0): using free space tree [ 56.132180][ T5152] BTRFS info (device loop0): has skinny extents [ 56.152269][ T5152] BTRFS info (device loop0): enabling ssd optimizations [ 56.155782][ T5152] FAULT_INJECTION: forcing a failure. [ 56.155782][ T5152] name failslab, interval 1, probability 0, space 0, times 0 [ 56.158279][ T5152] CPU: 0 PID: 5152 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.159634][ T5152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.161111][ T5152] Call trace: [ 56.161577][ T5152] dump_backtrace+0x0/0x43c [ 56.162205][ T5152] show_stack+0x2c/0x3c [ 56.162757][ T5152] __dump_stack+0x30/0x40 [ 56.163377][ T5152] dump_stack_lvl+0xf8/0x160 [ 56.164060][ T5152] dump_stack+0x1c/0x5c [ 56.164638][ T5152] should_fail+0x3c0/0x51c [ 56.165264][ T5152] __should_failslab+0xbc/0x10c [ 56.165983][ T5152] should_failslab+0x10/0x28 [ 56.166610][ T5152] slab_pre_alloc_hook+0x64/0xec [ 56.167320][ T5152] kmem_cache_alloc_trace+0x98/0x3fc [ 56.168061][ T5152] btrfs_alloc_root+0x8c/0x97c [ 56.168749][ T5152] btrfs_create_tree+0x104/0x984 [ 56.169457][ T5152] btrfs_quota_enable+0x348/0x166c [ 56.170146][ T5152] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.170827][ T5152] btrfs_ioctl+0x6f0/0xb38 [ 56.171450][ T5152] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.172135][ T5152] invoke_syscall+0x98/0x2b8 [ 56.172786][ T5152] el0_svc_common+0x138/0x258 [ 56.173477][ T5152] do_el0_svc+0x58/0x14c [ 56.174048][ T5152] el0_svc+0x78/0x1e0 [ 56.174585][ T5152] el0t_64_sync_handler+0xcc/0xe4 [ 56.175321][ T5152] el0t_64_sync+0x1a0/0x1a4 [ 56.176619][ T5152] ------------[ cut here ]------------ [ 56.177579][ T5152] WARNING: CPU: 0 PID: 5152 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 56.178911][ T5152] Modules linked in: [ 56.179457][ T5152] CPU: 0 PID: 5152 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.180782][ T5152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.182273][ T5152] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.183411][ T5152] pc : btrfs_quota_enable+0xfc4/0x166c [ 56.184280][ T5152] lr : btrfs_quota_enable+0xfc4/0x166c [ 56.185051][ T5152] sp : ffff8000215f7ae0 [ 56.185664][ T5152] x29: ffff8000215f7c40 x28: 0000000000001798 x27: ffff7000042bef6c [ 56.186786][ T5152] x26: ffff0000de009580 x25: 1fffe0001acb6809 x24: fffffffffffffff4 [ 56.187965][ T5152] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de0095d8 [ 56.189095][ T5152] x20: 1fffe0001bc012bb x19: ffff0000d65b4000 x18: 0000000000000001 [ 56.190242][ T5152] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 56.191354][ T5152] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.192478][ T5152] x11: 0000000000000000 x10: 0000000000000000 x9 : 2462ee16f16da500 [ 56.193557][ T5152] x8 : 2462ee16f16da500 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.194665][ T5152] x5 : ffff8000215f73d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 56.195881][ T5152] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.196990][ T5152] Call trace: [ 56.197490][ T5152] btrfs_quota_enable+0xfc4/0x166c [ 56.198257][ T5152] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.199055][ T5152] btrfs_ioctl+0x6f0/0xb38 [ 56.199656][ T5152] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.200300][ T5152] invoke_syscall+0x98/0x2b8 [ 56.200946][ T5152] el0_svc_common+0x138/0x258 [ 56.201625][ T5152] do_el0_svc+0x58/0x14c [ 56.202183][ T5152] el0_svc+0x78/0x1e0 [ 56.202727][ T5152] el0t_64_sync_handler+0xcc/0xe4 [ 56.203420][ T5152] el0t_64_sync+0x1a0/0x1a4 [ 56.204122][ T5152] irq event stamp: 79748 [ 56.204764][ T5152] hardirqs last enabled at (79747): [] __up_console_sem+0xb4/0x100 [ 56.206077][ T5152] hardirqs last disabled at (79748): [] el1_dbg+0x24/0x80 [ 56.207261][ T5152] softirqs last enabled at (79728): [] handle_softirqs+0xa4c/0xbf0 [ 56.208678][ T5152] softirqs last disabled at (79709): [] __irq_exit_rcu+0x240/0x440 [ 56.210027][ T5152] ---[ end trace 8d2d3cb32adb5bf3 ]--- [ 56.211800][ T5152] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 56.213235][ T5152] BTRFS info (device loop0): forced readonly [ 56.407911][ T5173] loop0: detected capacity change from 0 to 32768 [ 56.412226][ T5173] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5173) [ 56.419789][ T5173] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.421824][ T5173] BTRFS info (device loop0): using free space tree [ 56.422727][ T5173] BTRFS info (device loop0): has skinny extents [ 56.443853][ T5173] BTRFS info (device loop0): enabling ssd optimizations [ 56.448621][ T5173] FAULT_INJECTION: forcing a failure. [ 56.448621][ T5173] name failslab, interval 1, probability 0, space 0, times 0 [ 56.450660][ T5173] CPU: 1 PID: 5173 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.451992][ T5173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.453433][ T5173] Call trace: [ 56.453868][ T5173] dump_backtrace+0x0/0x43c [ 56.454532][ T5173] show_stack+0x2c/0x3c [ 56.455116][ T5173] __dump_stack+0x30/0x40 [ 56.455741][ T5173] dump_stack_lvl+0xf8/0x160 [ 56.456423][ T5173] dump_stack+0x1c/0x5c [ 56.457004][ T5173] should_fail+0x3c0/0x51c [ 56.457621][ T5173] __should_failslab+0xbc/0x10c [ 56.458324][ T5173] should_failslab+0x10/0x28 [ 56.458970][ T5173] slab_pre_alloc_hook+0x64/0xec [ 56.459661][ T5173] kmem_cache_alloc_trace+0x98/0x3fc [ 56.460394][ T5173] btrfs_alloc_root+0x8c/0x97c [ 56.461078][ T5173] btrfs_create_tree+0x104/0x984 [ 56.461786][ T5173] btrfs_quota_enable+0x348/0x166c [ 56.462502][ T5173] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.463412][ T5173] btrfs_ioctl+0x6f0/0xb38 [ 56.464161][ T5173] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.464949][ T5173] invoke_syscall+0x98/0x2b8 [ 56.465693][ T5173] el0_svc_common+0x138/0x258 [ 56.466396][ T5173] do_el0_svc+0x58/0x14c [ 56.467076][ T5173] el0_svc+0x78/0x1e0 [ 56.467710][ T5173] el0t_64_sync_handler+0xcc/0xe4 [ 56.468489][ T5173] el0t_64_sync+0x1a0/0x1a4 [ 56.471823][ T5173] ------------[ cut here ]------------ [ 56.472841][ T5173] WARNING: CPU: 1 PID: 5173 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 56.474330][ T5173] Modules linked in: [ 56.474934][ T5173] CPU: 1 PID: 5173 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.476305][ T5173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.477751][ T5173] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.478903][ T5173] pc : btrfs_quota_enable+0xfc4/0x166c [ 56.479728][ T5173] lr : btrfs_quota_enable+0xfc4/0x166c [ 56.480516][ T5173] sp : ffff800021847ae0 [ 56.481140][ T5173] x29: ffff800021847c40 x28: 0000000000001798 x27: ffff700004308f6c [ 56.482379][ T5173] x26: ffff0000de05e210 x25: 1fffe0001acb6809 x24: fffffffffffffff4 [ 56.483546][ T5173] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de05e268 [ 56.484692][ T5173] x20: 1fffe0001bc0bc4d x19: ffff0000d65b4000 x18: 0000000000000001 [ 56.485790][ T5173] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 56.486961][ T5173] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.488060][ T5173] x11: 0000000000000000 x10: 0000000000000000 x9 : 4d1aea71ff946900 [ 56.489196][ T5173] x8 : 4d1aea71ff946900 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.490314][ T5173] x5 : ffff8000218473d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 56.491598][ T5173] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.492789][ T5173] Call trace: [ 56.493284][ T5173] btrfs_quota_enable+0xfc4/0x166c [ 56.494067][ T5173] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.494853][ T5173] btrfs_ioctl+0x6f0/0xb38 [ 56.495492][ T5173] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.496270][ T5173] invoke_syscall+0x98/0x2b8 [ 56.496956][ T5173] el0_svc_common+0x138/0x258 [ 56.497636][ T5173] do_el0_svc+0x58/0x14c [ 56.498261][ T5173] el0_svc+0x78/0x1e0 [ 56.498830][ T5173] el0t_64_sync_handler+0xcc/0xe4 [ 56.499565][ T5173] el0t_64_sync+0x1a0/0x1a4 [ 56.500262][ T5173] irq event stamp: 80634 [ 56.500878][ T5173] hardirqs last enabled at (80633): [] __up_console_sem+0xb4/0x100 [ 56.502267][ T5173] hardirqs last disabled at (80634): [] el1_dbg+0x24/0x80 [ 56.503490][ T5173] softirqs last enabled at (80614): [] handle_softirqs+0xa4c/0xbf0 [ 56.504831][ T5173] softirqs last disabled at (80513): [] __irq_exit_rcu+0x240/0x440 [ 56.506163][ T5173] ---[ end trace 8d2d3cb32adb5bf4 ]--- [ 56.507749][ T5173] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 56.509007][ T5173] BTRFS info (device loop0): forced readonly [ 56.716934][ T5194] loop0: detected capacity change from 0 to 32768 [ 56.719602][ T5194] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5194) [ 56.724623][ T5194] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.726354][ T5194] BTRFS info (device loop0): using free space tree [ 56.727345][ T5194] BTRFS info (device loop0): has skinny extents [ 56.746450][ T5194] BTRFS info (device loop0): enabling ssd optimizations [ 56.751572][ T5194] FAULT_INJECTION: forcing a failure. [ 56.751572][ T5194] name failslab, interval 1, probability 0, space 0, times 0 [ 56.753585][ T5194] CPU: 1 PID: 5194 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.754783][ T5194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.756223][ T5194] Call trace: [ 56.756670][ T5194] dump_backtrace+0x0/0x43c [ 56.757296][ T5194] show_stack+0x2c/0x3c [ 56.757851][ T5194] __dump_stack+0x30/0x40 [ 56.758446][ T5194] dump_stack_lvl+0xf8/0x160 [ 56.759043][ T5194] dump_stack+0x1c/0x5c [ 56.759589][ T5194] should_fail+0x3c0/0x51c [ 56.760180][ T5194] __should_failslab+0xbc/0x10c [ 56.760851][ T5194] should_failslab+0x10/0x28 [ 56.761497][ T5194] slab_pre_alloc_hook+0x64/0xec [ 56.762240][ T5194] kmem_cache_alloc_trace+0x98/0x3fc [ 56.763018][ T5194] btrfs_alloc_root+0x8c/0x97c [ 56.763681][ T5194] btrfs_create_tree+0x104/0x984 [ 56.764336][ T5194] btrfs_quota_enable+0x348/0x166c [ 56.765037][ T5194] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.765712][ T5194] btrfs_ioctl+0x6f0/0xb38 [ 56.766376][ T5194] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.767084][ T5194] invoke_syscall+0x98/0x2b8 [ 56.767789][ T5194] el0_svc_common+0x138/0x258 [ 56.768504][ T5194] do_el0_svc+0x58/0x14c [ 56.769115][ T5194] el0_svc+0x78/0x1e0 [ 56.769788][ T5194] el0t_64_sync_handler+0xcc/0xe4 [ 56.770524][ T5194] el0t_64_sync+0x1a0/0x1a4 [ 56.771965][ T5194] ------------[ cut here ]------------ [ 56.772916][ T5194] WARNING: CPU: 1 PID: 5194 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 56.774331][ T5194] Modules linked in: [ 56.774879][ T5194] CPU: 1 PID: 5194 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.776241][ T5194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.777701][ T5194] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.778824][ T5194] pc : btrfs_quota_enable+0xfc4/0x166c [ 56.779573][ T5194] lr : btrfs_quota_enable+0xfc4/0x166c [ 56.780376][ T5194] sp : ffff8000215e7ae0 [ 56.780948][ T5194] x29: ffff8000215e7c40 x28: 0000000000001798 x27: ffff7000042bcf6c [ 56.782145][ T5194] x26: ffff0000de05e0b0 x25: 1fffe0001ac0a809 x24: fffffffffffffff4 [ 56.783347][ T5194] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de05e108 [ 56.784561][ T5194] x20: 1fffe0001bc0bc21 x19: ffff0000d6054000 x18: 0000000000000001 [ 56.785738][ T5194] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 56.786974][ T5194] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.788131][ T5194] x11: 0000000000000000 x10: 0000000000000000 x9 : 03c4bfe28afce700 [ 56.789313][ T5194] x8 : 03c4bfe28afce700 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.790478][ T5194] x5 : ffff8000215e73d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 56.791692][ T5194] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.792850][ T5194] Call trace: [ 56.793393][ T5194] btrfs_quota_enable+0xfc4/0x166c [ 56.794136][ T5194] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.794881][ T5194] btrfs_ioctl+0x6f0/0xb38 [ 56.795586][ T5194] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.796341][ T5194] invoke_syscall+0x98/0x2b8 [ 56.797004][ T5194] el0_svc_common+0x138/0x258 [ 56.797675][ T5194] do_el0_svc+0x58/0x14c [ 56.798303][ T5194] el0_svc+0x78/0x1e0 [ 56.798844][ T5194] el0t_64_sync_handler+0xcc/0xe4 [ 56.799584][ T5194] el0t_64_sync+0x1a0/0x1a4 [ 56.800259][ T5194] irq event stamp: 80384 [ 56.800867][ T5194] hardirqs last enabled at (80383): [] __up_console_sem+0xb4/0x100 [ 56.802171][ T5194] hardirqs last disabled at (80384): [] el1_dbg+0x24/0x80 [ 56.803434][ T5194] softirqs last enabled at (80364): [] handle_softirqs+0xa4c/0xbf0 [ 56.804788][ T5194] softirqs last disabled at (80349): [] __irq_exit_rcu+0x240/0x440 [ 56.806211][ T5194] ---[ end trace 8d2d3cb32adb5bf5 ]--- [ 56.808064][ T5194] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 56.809656][ T5194] BTRFS info (device loop0): forced readonly [ 56.983136][ T5215] loop0: detected capacity change from 0 to 32768 [ 56.985955][ T5215] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5215) [ 56.990057][ T5215] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.991645][ T5215] BTRFS info (device loop0): using free space tree [ 56.992651][ T5215] BTRFS info (device loop0): has skinny extents [ 57.003347][ T5215] BTRFS info (device loop0): enabling ssd optimizations [ 57.006937][ T5215] FAULT_INJECTION: forcing a failure. [ 57.006937][ T5215] name failslab, interval 1, probability 0, space 0, times 0 [ 57.008884][ T5215] CPU: 1 PID: 5215 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.010337][ T5215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.011949][ T5215] Call trace: [ 57.012457][ T5215] dump_backtrace+0x0/0x43c [ 57.013242][ T5215] show_stack+0x2c/0x3c [ 57.013902][ T5215] __dump_stack+0x30/0x40 [ 57.014580][ T5215] dump_stack_lvl+0xf8/0x160 [ 57.015265][ T5215] dump_stack+0x1c/0x5c [ 57.015962][ T5215] should_fail+0x3c0/0x51c [ 57.016660][ T5215] __should_failslab+0xbc/0x10c [ 57.017381][ T5215] should_failslab+0x10/0x28 [ 57.018088][ T5215] slab_pre_alloc_hook+0x64/0xec [ 57.018819][ T5215] kmem_cache_alloc_trace+0x98/0x3fc [ 57.019614][ T5215] btrfs_alloc_root+0x8c/0x97c [ 57.020298][ T5215] btrfs_create_tree+0x104/0x984 [ 57.021000][ T5215] btrfs_quota_enable+0x348/0x166c [ 57.021738][ T5215] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.022522][ T5215] btrfs_ioctl+0x6f0/0xb38 [ 57.023132][ T5215] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.023851][ T5215] invoke_syscall+0x98/0x2b8 [ 57.024541][ T5215] el0_svc_common+0x138/0x258 [ 57.025430][ T5215] do_el0_svc+0x58/0x14c [ 57.025989][ T5215] el0_svc+0x78/0x1e0 [ 57.026557][ T5215] el0t_64_sync_handler+0xcc/0xe4 [ 57.027284][ T5215] el0t_64_sync+0x1a0/0x1a4 [ 57.028160][ T5215] ------------[ cut here ]------------ [ 57.029102][ T5215] WARNING: CPU: 1 PID: 5215 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 57.030580][ T5215] Modules linked in: [ 57.031159][ T5215] CPU: 1 PID: 5215 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.032560][ T5215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.034043][ T5215] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.035256][ T5215] pc : btrfs_quota_enable+0xfc4/0x166c [ 57.036077][ T5215] lr : btrfs_quota_enable+0xfc4/0x166c [ 57.036871][ T5215] sp : ffff8000219b7ae0 [ 57.037443][ T5215] x29: ffff8000219b7c40 x28: 0000000000001798 x27: ffff700004336f6c [ 57.038573][ T5215] x26: ffff0000de05e420 x25: 1fffe0001acae009 x24: fffffffffffffff4 [ 57.039736][ T5215] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de05e478 [ 57.040889][ T5215] x20: 1fffe0001bc0bc8f x19: ffff0000d6570000 x18: 0000000000000001 [ 57.042105][ T5215] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 57.043426][ T5215] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.044720][ T5215] x11: 0000000000000000 x10: 0000000000000000 x9 : fc02bfe664532a00 [ 57.045951][ T5215] x8 : fc02bfe664532a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.047085][ T5215] x5 : ffff8000219b73d8 x4 : ffff80001426f5a0 x3 : ffff800008302274 [ 57.048259][ T5215] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.049472][ T5215] Call trace: [ 57.049968][ T5215] btrfs_quota_enable+0xfc4/0x166c [ 57.050742][ T5215] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.051503][ T5215] btrfs_ioctl+0x6f0/0xb38 [ 57.052154][ T5215] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.052890][ T5215] invoke_syscall+0x98/0x2b8 [ 57.053621][ T5215] el0_svc_common+0x138/0x258 [ 57.054304][ T5215] do_el0_svc+0x58/0x14c [ 57.054943][ T5215] el0_svc+0x78/0x1e0 [ 57.055534][ T5215] el0t_64_sync_handler+0xcc/0xe4 [ 57.056304][ T5215] el0t_64_sync+0x1a0/0x1a4 [ 57.056953][ T5215] irq event stamp: 79314 [ 57.057533][ T5215] hardirqs last enabled at (79313): [] __up_console_sem+0xb4/0x100 [ 57.058929][ T5215] hardirqs last disabled at (79314): [] el1_dbg+0x24/0x80 [ 57.060087][ T5215] softirqs last enabled at (79294): [] handle_softirqs+0xa4c/0xbf0 [ 57.061450][ T5215] softirqs last disabled at (79281): [] __irq_exit_rcu+0x240/0x440 [ 57.062855][ T5215] ---[ end trace 8d2d3cb32adb5bf6 ]--- [ 57.064582][ T5215] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 57.065965][ T5215] BTRFS info (device loop0): forced readonly [ 57.286061][ T5236] loop0: detected capacity change from 0 to 32768 [ 57.289184][ T5236] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5236) [ 57.292291][ T5236] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.294467][ T5236] BTRFS info (device loop0): using free space tree [ 57.295451][ T5236] BTRFS info (device loop0): has skinny extents [ 57.309905][ T5236] BTRFS info (device loop0): enabling ssd optimizations [ 57.313721][ T5236] FAULT_INJECTION: forcing a failure. [ 57.313721][ T5236] name failslab, interval 1, probability 0, space 0, times 0 [ 57.315891][ T5236] CPU: 0 PID: 5236 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.317181][ T5236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.318590][ T5236] Call trace: [ 57.319040][ T5236] dump_backtrace+0x0/0x43c [ 57.319704][ T5236] show_stack+0x2c/0x3c [ 57.320298][ T5236] __dump_stack+0x30/0x40 [ 57.320901][ T5236] dump_stack_lvl+0xf8/0x160 [ 57.321589][ T5236] dump_stack+0x1c/0x5c [ 57.322183][ T5236] should_fail+0x3c0/0x51c [ 57.322792][ T5236] __should_failslab+0xbc/0x10c [ 57.323463][ T5236] should_failslab+0x10/0x28 [ 57.324057][ T5236] slab_pre_alloc_hook+0x64/0xec [ 57.324775][ T5236] kmem_cache_alloc_trace+0x98/0x3fc [ 57.325493][ T5236] btrfs_alloc_root+0x8c/0x97c [ 57.326138][ T5236] btrfs_create_tree+0x104/0x984 [ 57.326853][ T5236] btrfs_quota_enable+0x348/0x166c [ 57.327579][ T5236] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.328291][ T5236] btrfs_ioctl+0x6f0/0xb38 [ 57.328880][ T5236] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.329575][ T5236] invoke_syscall+0x98/0x2b8 [ 57.330224][ T5236] el0_svc_common+0x138/0x258 [ 57.330904][ T5236] do_el0_svc+0x58/0x14c [ 57.331584][ T5236] el0_svc+0x78/0x1e0 [ 57.332165][ T5236] el0t_64_sync_handler+0xcc/0xe4 [ 57.332860][ T5236] el0t_64_sync+0x1a0/0x1a4 [ 57.334103][ T5236] ------------[ cut here ]------------ [ 57.335042][ T5236] WARNING: CPU: 0 PID: 5236 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 57.336450][ T5236] Modules linked in: [ 57.337029][ T5236] CPU: 0 PID: 5236 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.338369][ T5236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.339823][ T5236] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.340973][ T5236] pc : btrfs_quota_enable+0xfc4/0x166c [ 57.341748][ T5236] lr : btrfs_quota_enable+0xfc4/0x166c [ 57.342511][ T5236] sp : ffff800021b87ae0 [ 57.343087][ T5236] x29: ffff800021b87c40 x28: 0000000000001798 x27: ffff700004370f6c [ 57.344186][ T5236] x26: ffff0000de0096e0 x25: 1fffe0001acae009 x24: fffffffffffffff4 [ 57.345345][ T5236] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de009738 [ 57.346495][ T5236] x20: 1fffe0001bc012e7 x19: ffff0000d6570000 x18: 0000000000000001 [ 57.347601][ T5236] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 57.348753][ T5236] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.349907][ T5236] x11: 0000000000000000 x10: 0000000000000000 x9 : 747c20c8dfaf6200 [ 57.350991][ T5236] x8 : 747c20c8dfaf6200 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.352132][ T5236] x5 : ffff800021b873d8 x4 : ffff80001426f5a0 x3 : ffff800008302274 [ 57.353239][ T5236] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.354347][ T5236] Call trace: [ 57.354788][ T5236] btrfs_quota_enable+0xfc4/0x166c [ 57.355509][ T5236] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.356246][ T5236] btrfs_ioctl+0x6f0/0xb38 [ 57.356824][ T5236] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.357503][ T5236] invoke_syscall+0x98/0x2b8 [ 57.358109][ T5236] el0_svc_common+0x138/0x258 [ 57.358763][ T5236] do_el0_svc+0x58/0x14c [ 57.359333][ T5236] el0_svc+0x78/0x1e0 [ 57.359861][ T5236] el0t_64_sync_handler+0xcc/0xe4 [ 57.360538][ T5236] el0t_64_sync+0x1a0/0x1a4 [ 57.361130][ T5236] irq event stamp: 79498 [ 57.361709][ T5236] hardirqs last enabled at (79497): [] __up_console_sem+0xb4/0x100 [ 57.362997][ T5236] hardirqs last disabled at (79498): [] el1_dbg+0x24/0x80 [ 57.364178][ T5236] softirqs last enabled at (79478): [] handle_softirqs+0xa4c/0xbf0 [ 57.365532][ T5236] softirqs last disabled at (79453): [] __irq_exit_rcu+0x240/0x440 [ 57.366885][ T5236] ---[ end trace 8d2d3cb32adb5bf7 ]--- [ 57.368353][ T5236] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 57.369820][ T5236] BTRFS info (device loop0): forced readonly [ 57.552340][ T5257] loop0: detected capacity change from 0 to 32768 [ 57.554969][ T5257] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5257) [ 57.559517][ T5257] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.560904][ T5257] BTRFS info (device loop0): using free space tree [ 57.561810][ T5257] BTRFS info (device loop0): has skinny extents [ 57.569966][ T5257] BTRFS info (device loop0): enabling ssd optimizations [ 57.574035][ T5257] FAULT_INJECTION: forcing a failure. [ 57.574035][ T5257] name failslab, interval 1, probability 0, space 0, times 0 [ 57.576050][ T5257] CPU: 1 PID: 5257 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.577517][ T5257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.579095][ T5257] Call trace: [ 57.579587][ T5257] dump_backtrace+0x0/0x43c [ 57.580253][ T5257] show_stack+0x2c/0x3c [ 57.580923][ T5257] __dump_stack+0x30/0x40 [ 57.581515][ T5257] dump_stack_lvl+0xf8/0x160 [ 57.582216][ T5257] dump_stack+0x1c/0x5c [ 57.582806][ T5257] should_fail+0x3c0/0x51c [ 57.583467][ T5257] __should_failslab+0xbc/0x10c [ 57.584175][ T5257] should_failslab+0x10/0x28 [ 57.584847][ T5257] slab_pre_alloc_hook+0x64/0xec [ 57.585561][ T5257] kmem_cache_alloc+0x94/0x3e4 [ 57.586258][ T5257] start_transaction+0x4d0/0x13f0 [ 57.587032][ T5257] btrfs_start_transaction+0x34/0x44 [ 57.587765][ T5257] btrfs_quota_enable+0x1b8/0x166c [ 57.588486][ T5257] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.589205][ T5257] btrfs_ioctl+0x6f0/0xb38 [ 57.589846][ T5257] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.590517][ T5257] invoke_syscall+0x98/0x2b8 [ 57.591209][ T5257] el0_svc_common+0x138/0x258 [ 57.591921][ T5257] do_el0_svc+0x58/0x14c [ 57.592557][ T5257] el0_svc+0x78/0x1e0 [ 57.593132][ T5257] el0t_64_sync_handler+0xcc/0xe4 [ 57.593863][ T5257] el0t_64_sync+0x1a0/0x1a4 [ 57.806084][ T5278] loop0: detected capacity change from 0 to 32768 [ 57.808991][ T5278] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5278) [ 57.812778][ T5278] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.814644][ T5278] BTRFS info (device loop0): using free space tree [ 57.815809][ T5278] BTRFS info (device loop0): has skinny extents [ 57.823542][ T5278] BTRFS info (device loop0): enabling ssd optimizations [ 57.828702][ T5278] FAULT_INJECTION: forcing a failure. [ 57.828702][ T5278] name failslab, interval 1, probability 0, space 0, times 0 [ 57.830818][ T5278] CPU: 1 PID: 5278 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.832172][ T5278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.833683][ T5278] Call trace: [ 57.834164][ T5278] dump_backtrace+0x0/0x43c [ 57.834856][ T5278] show_stack+0x2c/0x3c [ 57.835489][ T5278] __dump_stack+0x30/0x40 [ 57.836115][ T5278] dump_stack_lvl+0xf8/0x160 [ 57.836807][ T5278] dump_stack+0x1c/0x5c [ 57.837445][ T5278] should_fail+0x3c0/0x51c [ 57.838078][ T5278] __should_failslab+0xbc/0x10c [ 57.838810][ T5278] should_failslab+0x10/0x28 [ 57.839570][ T5278] slab_pre_alloc_hook+0x64/0xec [ 57.840318][ T5278] kmem_cache_alloc_trace+0x98/0x3fc [ 57.841089][ T5278] btrfs_alloc_root+0x8c/0x97c [ 57.841751][ T5278] btrfs_create_tree+0x104/0x984 [ 57.842474][ T5278] btrfs_quota_enable+0x348/0x166c [ 57.843198][ T5278] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.843976][ T5278] btrfs_ioctl+0x6f0/0xb38 [ 57.844634][ T5278] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.845302][ T5278] invoke_syscall+0x98/0x2b8 [ 57.845891][ T5278] el0_svc_common+0x138/0x258 [ 57.846548][ T5278] do_el0_svc+0x58/0x14c [ 57.847140][ T5278] el0_svc+0x78/0x1e0 [ 57.847724][ T5278] el0t_64_sync_handler+0xcc/0xe4 [ 57.848407][ T5278] el0t_64_sync+0x1a0/0x1a4 [ 57.851927][ T5278] ------------[ cut here ]------------ [ 57.852863][ T5278] WARNING: CPU: 1 PID: 5278 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 57.854296][ T5278] Modules linked in: [ 57.854876][ T5278] CPU: 1 PID: 5278 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.856231][ T5278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.857770][ T5278] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.858978][ T5278] pc : btrfs_quota_enable+0xfc4/0x166c [ 57.859815][ T5278] lr : btrfs_quota_enable+0xfc4/0x166c [ 57.860684][ T5278] sp : ffff800021d07ae0 [ 57.861354][ T5278] x29: ffff800021d07c40 x28: 0000000000001798 x27: ffff7000043a0f6c [ 57.862664][ T5278] x26: ffff0000de15db00 x25: 1fffe0001a839809 x24: fffffffffffffff4 [ 57.863961][ T5278] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de15db58 [ 57.865263][ T5278] x20: 1fffe0001bc2bb6b x19: ffff0000d41cc000 x18: 0000000000000001 [ 57.866445][ T5278] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 57.867586][ T5278] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.868658][ T5278] x11: 0000000000000000 x10: 0000000000000000 x9 : 844c0c0162a82700 [ 57.869848][ T5278] x8 : 844c0c0162a82700 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.871067][ T5278] x5 : ffff800021d073d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 57.872177][ T5278] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.873385][ T5278] Call trace: [ 57.873854][ T5278] btrfs_quota_enable+0xfc4/0x166c [ 57.874601][ T5278] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.875452][ T5278] btrfs_ioctl+0x6f0/0xb38 [ 57.876122][ T5278] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.876823][ T5278] invoke_syscall+0x98/0x2b8 [ 57.877486][ T5278] el0_svc_common+0x138/0x258 [ 57.878244][ T5278] do_el0_svc+0x58/0x14c [ 57.878853][ T5278] el0_svc+0x78/0x1e0 [ 57.879406][ T5278] el0t_64_sync_handler+0xcc/0xe4 [ 57.880161][ T5278] el0t_64_sync+0x1a0/0x1a4 [ 57.880809][ T5278] irq event stamp: 79762 [ 57.881451][ T5278] hardirqs last enabled at (79761): [] __up_console_sem+0xb4/0x100 [ 57.882953][ T5278] hardirqs last disabled at (79762): [] el1_dbg+0x24/0x80 [ 57.884238][ T5278] softirqs last enabled at (79742): [] handle_softirqs+0xa4c/0xbf0 [ 57.885711][ T5278] softirqs last disabled at (79719): [] __irq_exit_rcu+0x240/0x440 [ 57.887080][ T5278] ---[ end trace 8d2d3cb32adb5bf8 ]--- [ 57.890490][ T5278] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 57.892090][ T5278] BTRFS info (device loop0): forced readonly 1970/01/01 00:00:57 executed programs: 32 [ 58.063673][ T5299] loop0: detected capacity change from 0 to 32768 [ 58.067374][ T5299] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5299) [ 58.071728][ T5299] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 58.073547][ T5299] BTRFS info (device loop0): using free space tree [ 58.074687][ T5299] BTRFS info (device loop0): has skinny extents [ 58.087556][ T5299] BTRFS info (device loop0): enabling ssd optimizations [ 58.099481][ T5299] FAULT_INJECTION: forcing a failure. [ 58.099481][ T5299] name failslab, interval 1, probability 0, space 0, times 0 [ 58.102592][ T5299] CPU: 1 PID: 5299 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.104049][ T5299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.105571][ T5299] Call trace: [ 58.106049][ T5299] dump_backtrace+0x0/0x43c [ 58.106706][ T5299] show_stack+0x2c/0x3c [ 58.107303][ T5299] __dump_stack+0x30/0x40 [ 58.107932][ T5299] dump_stack_lvl+0xf8/0x160 [ 58.108589][ T5299] dump_stack+0x1c/0x5c [ 58.109212][ T5299] should_fail+0x3c0/0x51c [ 58.109890][ T5299] __should_failslab+0xbc/0x10c [ 58.110627][ T5299] should_failslab+0x10/0x28 [ 58.111340][ T5299] slab_pre_alloc_hook+0x64/0xec [ 58.112053][ T5299] kmem_cache_alloc_trace+0x98/0x3fc [ 58.112823][ T5299] btrfs_alloc_root+0x8c/0x97c [ 58.113543][ T5299] btrfs_create_tree+0x104/0x984 [ 58.114258][ T5299] btrfs_quota_enable+0x348/0x166c [ 58.115003][ T5299] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 58.115840][ T5299] btrfs_ioctl+0x6f0/0xb38 [ 58.116467][ T5299] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.117127][ T5299] invoke_syscall+0x98/0x2b8 [ 58.117800][ T5299] el0_svc_common+0x138/0x258 [ 58.118470][ T5299] do_el0_svc+0x58/0x14c [ 58.119045][ T5299] el0_svc+0x78/0x1e0 [ 58.119592][ T5299] el0t_64_sync_handler+0xcc/0xe4 [ 58.120315][ T5299] el0t_64_sync+0x1a0/0x1a4 [ 58.123235][ T5299] ------------[ cut here ]------------ [ 58.124224][ T5299] WARNING: CPU: 1 PID: 5299 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 58.125601][ T5299] Modules linked in: [ 58.126218][ T5299] CPU: 1 PID: 5299 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.127589][ T5299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.128951][ T5299] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.130038][ T5299] pc : btrfs_quota_enable+0xfc4/0x166c [ 58.130769][ T5299] lr : btrfs_quota_enable+0xfc4/0x166c [ 58.131526][ T5299] sp : ffff800021ca7ae0 [ 58.132166][ T5299] x29: ffff800021ca7c40 x28: 0000000000001798 x27: ffff700004394f6c [ 58.133351][ T5299] x26: ffff0000de15d9a0 x25: 1fffe0001a32b009 x24: fffffffffffffff4 [ 58.134433][ T5299] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de15d9f8 [ 58.135613][ T5299] x20: 1fffe0001bc2bb3f x19: ffff0000d1958000 x18: 0000000000000001 [ 58.136793][ T5299] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 58.138024][ T5299] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 58.139241][ T5299] x11: 0000000000000000 x10: 0000000000000000 x9 : 42953bb6e548a400 [ 58.140449][ T5299] x8 : 42953bb6e548a400 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.141620][ T5299] x5 : ffff800021ca73d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 58.142712][ T5299] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.143877][ T5299] Call trace: [ 58.144395][ T5299] btrfs_quota_enable+0xfc4/0x166c [ 58.145107][ T5299] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 58.145880][ T5299] btrfs_ioctl+0x6f0/0xb38 [ 58.146493][ T5299] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.147180][ T5299] invoke_syscall+0x98/0x2b8 [ 58.147823][ T5299] el0_svc_common+0x138/0x258 [ 58.148491][ T5299] do_el0_svc+0x58/0x14c [ 58.149079][ T5299] el0_svc+0x78/0x1e0 [ 58.149628][ T5299] el0t_64_sync_handler+0xcc/0xe4 [ 58.150385][ T5299] el0t_64_sync+0x1a0/0x1a4 [ 58.151030][ T5299] irq event stamp: 80328 [ 58.151643][ T5299] hardirqs last enabled at (80327): [] __up_console_sem+0xb4/0x100 [ 58.153027][ T5299] hardirqs last disabled at (80328): [] el1_dbg+0x24/0x80 [ 58.154271][ T5299] softirqs last enabled at (80308): [] handle_softirqs+0xa4c/0xbf0 [ 58.155711][ T5299] softirqs last disabled at (80243): [] __irq_exit_rcu+0x240/0x440 [ 58.157157][ T5299] ---[ end trace 8d2d3cb32adb5bf9 ]--- [ 58.159630][ T5299] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 58.161096][ T5299] BTRFS info (device loop0): forced readonly [ 58.362837][ T5320] loop0: detected capacity change from 0 to 32768 [ 58.365954][ T5320] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5320) [ 58.370546][ T5320] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 58.372277][ T5320] BTRFS info (device loop0): using free space tree [ 58.373196][ T5320] BTRFS info (device loop0): has skinny extents [ 58.382567][ T5320] BTRFS info (device loop0): enabling ssd optimizations [ 58.386068][ T5320] FAULT_INJECTION: forcing a failure. [ 58.386068][ T5320] name failslab, interval 1, probability 0, space 0, times 0 [ 58.388250][ T5320] CPU: 0 PID: 5320 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.389561][ T5320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.391057][ T5320] Call trace: [ 58.391500][ T5320] dump_backtrace+0x0/0x43c [ 58.392126][ T5320] show_stack+0x2c/0x3c [ 58.392711][ T5320] __dump_stack+0x30/0x40 [ 58.393351][ T5320] dump_stack_lvl+0xf8/0x160 [ 58.393972][ T5320] dump_stack+0x1c/0x5c [ 58.394551][ T5320] should_fail+0x3c0/0x51c [ 58.395213][ T5320] __should_failslab+0xbc/0x10c [ 58.395908][ T5320] should_failslab+0x10/0x28 [ 58.396608][ T5320] slab_pre_alloc_hook+0x64/0xec [ 58.397367][ T5320] kmem_cache_alloc_trace+0x98/0x3fc [ 58.398104][ T5320] btrfs_alloc_root+0x8c/0x97c [ 58.398813][ T5320] btrfs_create_tree+0x104/0x984 [ 58.399512][ T5320] btrfs_quota_enable+0x348/0x166c [ 58.400267][ T5320] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 58.401020][ T5320] btrfs_ioctl+0x6f0/0xb38 [ 58.401618][ T5320] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.402326][ T5320] invoke_syscall+0x98/0x2b8 [ 58.403032][ T5320] el0_svc_common+0x138/0x258 [ 58.403826][ T5320] do_el0_svc+0x58/0x14c [ 58.404580][ T5320] el0_svc+0x78/0x1e0 [ 58.405239][ T5320] el0t_64_sync_handler+0xcc/0xe4 [ 58.406031][ T5320] el0t_64_sync+0x1a0/0x1a4 [ 58.407485][ T5320] ------------[ cut here ]------------ [ 58.408504][ T5320] WARNING: CPU: 0 PID: 5320 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 58.409862][ T5320] Modules linked in: [ 58.410434][ T5320] CPU: 0 PID: 5320 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.411746][ T5320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.413164][ T5320] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.414267][ T5320] pc : btrfs_quota_enable+0xfc4/0x166c [ 58.415013][ T5320] lr : btrfs_quota_enable+0xfc4/0x166c [ 58.415716][ T5320] sp : ffff800021f17ae0 [ 58.416292][ T5320] x29: ffff800021f17c40 x28: 0000000000001798 x27: ffff7000043e2f6c [ 58.417433][ T5320] x26: ffff0000de0098f0 x25: 1fffe0001a32b009 x24: fffffffffffffff4 [ 58.418711][ T5320] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de009948 [ 58.419928][ T5320] x20: 1fffe0001bc01329 x19: ffff0000d1958000 x18: 0000000000000001 [ 58.421090][ T5320] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 58.422204][ T5320] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 58.423324][ T5320] x11: 0000000000000000 x10: 0000000000000000 x9 : 610cf5b6b4fb7700 [ 58.424489][ T5320] x8 : 610cf5b6b4fb7700 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.425717][ T5320] x5 : ffff800021f173d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 58.426908][ T5320] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.428070][ T5320] Call trace: [ 58.428548][ T5320] btrfs_quota_enable+0xfc4/0x166c [ 58.429283][ T5320] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 58.430010][ T5320] btrfs_ioctl+0x6f0/0xb38 [ 58.430679][ T5320] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.431360][ T5320] invoke_syscall+0x98/0x2b8 [ 58.431989][ T5320] el0_svc_common+0x138/0x258 [ 58.432634][ T5320] do_el0_svc+0x58/0x14c [ 58.433216][ T5320] el0_svc+0x78/0x1e0 [ 58.433772][ T5320] el0t_64_sync_handler+0xcc/0xe4 [ 58.434560][ T5320] el0t_64_sync+0x1a0/0x1a4 [ 58.435256][ T5320] irq event stamp: 79894 [ 58.435844][ T5320] hardirqs last enabled at (79893): [] __up_console_sem+0xb4/0x100 [ 58.437187][ T5320] hardirqs last disabled at (79894): [] el1_dbg+0x24/0x80 [ 58.438481][ T5320] softirqs last enabled at (79884): [] handle_softirqs+0xa4c/0xbf0 [ 58.439907][ T5320] softirqs last disabled at (79849): [] __irq_exit_rcu+0x240/0x440 [ 58.441241][ T5320] ---[ end trace 8d2d3cb32adb5bfa ]--- [ 58.442792][ T5320] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 58.444105][ T5320] BTRFS info (device loop0): forced readonly [ 58.651448][ T5341] loop0: detected capacity change from 0 to 32768 [ 58.654076][ T5341] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5341) [ 58.657301][ T5341] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 58.659042][ T5341] BTRFS info (device loop0): using free space tree [ 58.660190][ T5341] BTRFS info (device loop0): has skinny extents [ 58.672290][ T5341] BTRFS info (device loop0): enabling ssd optimizations [ 58.676217][ T5341] FAULT_INJECTION: forcing a failure. [ 58.676217][ T5341] name failslab, interval 1, probability 0, space 0, times 0 [ 58.678303][ T5341] CPU: 0 PID: 5341 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.679638][ T5341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.681171][ T5341] Call trace: [ 58.681632][ T5341] dump_backtrace+0x0/0x43c [ 58.682275][ T5341] show_stack+0x2c/0x3c [ 58.682887][ T5341] __dump_stack+0x30/0x40 [ 58.683515][ T5341] dump_stack_lvl+0xf8/0x160 [ 58.684140][ T5341] dump_stack+0x1c/0x5c [ 58.684707][ T5341] should_fail+0x3c0/0x51c [ 58.685293][ T5341] __should_failslab+0xbc/0x10c [ 58.686031][ T5341] should_failslab+0x10/0x28 [ 58.686711][ T5341] slab_pre_alloc_hook+0x64/0xec [ 58.687336][ T5341] kmem_cache_alloc+0x94/0x3e4 [ 58.688055][ T5341] start_transaction+0x4d0/0x13f0 [ 58.688750][ T5341] btrfs_start_transaction+0x34/0x44 [ 58.689508][ T5341] btrfs_quota_enable+0x1b8/0x166c [ 58.690220][ T5341] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 58.690951][ T5341] btrfs_ioctl+0x6f0/0xb38 [ 58.691639][ T5341] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.692376][ T5341] invoke_syscall+0x98/0x2b8 [ 58.693080][ T5341] el0_svc_common+0x138/0x258 [ 58.693796][ T5341] do_el0_svc+0x58/0x14c [ 58.694419][ T5341] el0_svc+0x78/0x1e0 [ 58.694987][ T5341] el0t_64_sync_handler+0xcc/0xe4 [ 58.695695][ T5341] el0t_64_sync+0x1a0/0x1a4 [ 58.913166][ T5362] loop0: detected capacity change from 0 to 32768 [ 58.916360][ T5362] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5362) [ 58.921379][ T5362] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 58.922932][ T5362] BTRFS info (device loop0): using free space tree [ 58.923851][ T5362] BTRFS info (device loop0): has skinny extents [ 58.937947][ T5362] BTRFS info (device loop0): enabling ssd optimizations [ 58.941838][ T5362] FAULT_INJECTION: forcing a failure. [ 58.941838][ T5362] name failslab, interval 1, probability 0, space 0, times 0 [ 58.943998][ T5362] CPU: 1 PID: 5362 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.945345][ T5362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.946904][ T5362] Call trace: [ 58.947363][ T5362] dump_backtrace+0x0/0x43c [ 58.948101][ T5362] show_stack+0x2c/0x3c [ 58.948731][ T5362] __dump_stack+0x30/0x40 [ 58.949408][ T5362] dump_stack_lvl+0xf8/0x160 [ 58.950132][ T5362] dump_stack+0x1c/0x5c [ 58.950708][ T5362] should_fail+0x3c0/0x51c [ 58.951357][ T5362] __should_failslab+0xbc/0x10c [ 58.952115][ T5362] should_failslab+0x10/0x28 [ 58.952820][ T5362] slab_pre_alloc_hook+0x64/0xec [ 58.953509][ T5362] kmem_cache_alloc_trace+0x98/0x3fc [ 58.954264][ T5362] btrfs_alloc_root+0x8c/0x97c [ 58.955000][ T5362] btrfs_create_tree+0x104/0x984 [ 58.955747][ T5362] btrfs_quota_enable+0x348/0x166c [ 58.956470][ T5362] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 58.957257][ T5362] btrfs_ioctl+0x6f0/0xb38 [ 58.957956][ T5362] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.958720][ T5362] invoke_syscall+0x98/0x2b8 [ 58.959441][ T5362] el0_svc_common+0x138/0x258 [ 58.960140][ T5362] do_el0_svc+0x58/0x14c [ 58.960729][ T5362] el0_svc+0x78/0x1e0 [ 58.961302][ T5362] el0t_64_sync_handler+0xcc/0xe4 [ 58.962042][ T5362] el0t_64_sync+0x1a0/0x1a4 [ 58.964446][ T5362] ------------[ cut here ]------------ [ 58.965403][ T5362] WARNING: CPU: 1 PID: 5362 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 58.966971][ T5362] Modules linked in: [ 58.967615][ T5362] CPU: 1 PID: 5362 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.969105][ T5362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.970681][ T5362] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.971983][ T5362] pc : btrfs_quota_enable+0xfc4/0x166c [ 58.972808][ T5362] lr : btrfs_quota_enable+0xfc4/0x166c [ 58.973779][ T5362] sp : ffff800021f17ae0 [ 58.974433][ T5362] x29: ffff800021f17c40 x28: 0000000000001798 x27: ffff7000043e2f6c [ 58.975676][ T5362] x26: ffff0000de15d840 x25: 1fffe0001b9b8809 x24: fffffffffffffff4 [ 58.976878][ T5362] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de15d898 [ 58.978023][ T5362] x20: 1fffe0001bc2bb13 x19: ffff0000dcdc4000 x18: 0000000000000001 [ 58.979146][ T5362] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 58.980271][ T5362] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 58.981425][ T5362] x11: 0000000000000000 x10: 0000000000000000 x9 : c125c2d5333d0a00 [ 58.982529][ T5362] x8 : c125c2d5333d0a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.983811][ T5362] x5 : ffff800021f173d8 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 58.984996][ T5362] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.986168][ T5362] Call trace: [ 58.986685][ T5362] btrfs_quota_enable+0xfc4/0x166c [ 58.987465][ T5362] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 58.988256][ T5362] btrfs_ioctl+0x6f0/0xb38 [ 58.988912][ T5362] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.989639][ T5362] invoke_syscall+0x98/0x2b8 [ 58.990279][ T5362] el0_svc_common+0x138/0x258 [ 58.990916][ T5362] do_el0_svc+0x58/0x14c [ 58.991538][ T5362] el0_svc+0x78/0x1e0 [ 58.992110][ T5362] el0t_64_sync_handler+0xcc/0xe4 [ 58.992803][ T5362] el0t_64_sync+0x1a0/0x1a4 [ 58.993497][ T5362] irq event stamp: 80450 [ 58.994123][ T5362] hardirqs last enabled at (80449): [] __up_console_sem+0xb4/0x100 [ 58.995447][ T5362] hardirqs last disabled at (80450): [] el1_dbg+0x24/0x80 [ 58.996669][ T5362] softirqs last enabled at (80430): [] handle_softirqs+0xa4c/0xbf0 [ 58.997974][ T5362] softirqs last disabled at (80331): [] __irq_exit_rcu+0x240/0x440 [ 58.999296][ T5362] ---[ end trace 8d2d3cb32adb5bfb ]--- [ 59.001434][ T5362] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 59.003084][ T5362] BTRFS info (device loop0): forced readonly