Warning: Permanently added '10.128.0.69' (ED25519) to the list of known hosts. 1970/01/01 00:00:46 ignoring optional flag "type"="gce" 1970/01/01 00:00:46 parsed 1 programs [ 46.460360][ T4282] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:46 executed programs: 0 [ 46.541268][ T4293] chnl_net:caif_netlink_parms(): no params data found [ 46.561820][ T4293] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.563117][ T4293] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.564801][ T4293] device bridge_slave_0 entered promiscuous mode [ 46.566873][ T4293] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.568139][ T4293] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.569568][ T4293] device bridge_slave_1 entered promiscuous mode [ 46.578360][ T4293] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.580780][ T4293] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 46.589353][ T4293] team0: Port device team_slave_0 added [ 46.591465][ T4293] team0: Port device team_slave_1 added [ 46.598505][ T4293] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 46.599597][ T4293] 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. [ 46.603474][ T4293] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 46.605960][ T4293] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 46.607106][ T4293] 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. [ 46.611092][ T4293] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 46.677309][ T4293] device hsr_slave_0 entered promiscuous mode [ 46.726325][ T4293] device hsr_slave_1 entered promiscuous mode [ 47.319811][ T4293] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.348372][ T4293] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.377354][ T4293] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.397803][ T4293] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.445743][ T4293] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.446978][ T4293] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.448087][ T4293] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.449138][ T4293] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.471665][ T4293] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.475706][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.478554][ T618] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.479916][ T618] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.481598][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 47.485895][ T4293] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.491059][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.492562][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.493725][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.502015][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.503472][ T618] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.504544][ T618] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.507557][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.509201][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.517999][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.521224][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.525816][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.572751][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.573976][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.578416][ T4293] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.584909][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.587520][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.595820][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.598354][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.600334][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.601712][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.604951][ T4293] device veth0_vlan entered promiscuous mode [ 47.610340][ T4293] device veth1_vlan entered promiscuous mode [ 47.620456][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.622043][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.623501][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.625013][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.629138][ T4293] device veth0_macvtap entered promiscuous mode [ 47.631544][ T4293] device veth1_macvtap entered promiscuous mode [ 47.637332][ T4293] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.640806][ T4293] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.643285][ T4293] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.644567][ T4293] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.645760][ T4293] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.647601][ T4293] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.649624][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.651182][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.652687][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.654077][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.655590][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.657584][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.790181][ T4416] loop0: detected capacity change from 0 to 32768 [ 47.793973][ T4416] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4416) [ 47.812478][ T4416] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 47.814109][ T4416] BTRFS info (device loop0): using free space tree [ 47.815030][ T4416] BTRFS info (device loop0): has skinny extents [ 47.882863][ T4416] BTRFS info (device loop0): enabling ssd optimizations [ 47.891778][ T4416] FAULT_INJECTION: forcing a failure. [ 47.891778][ T4416] name failslab, interval 1, probability 0, space 0, times 1 [ 47.893920][ T4416] CPU: 1 PID: 4416 Comm: syz-executor.0 Not tainted syzkaller #0 [ 47.895118][ T4416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 47.896720][ T4416] Call trace: [ 47.897223][ T4416] dump_backtrace+0x0/0x43c [ 47.897969][ T4416] show_stack+0x2c/0x3c [ 47.898625][ T4416] __dump_stack+0x30/0x40 [ 47.899301][ T4416] dump_stack_lvl+0xf8/0x160 [ 47.900042][ T4416] dump_stack+0x1c/0x5c [ 47.900718][ T4416] should_fail+0x3c0/0x51c [ 47.901422][ T4416] __should_failslab+0xbc/0x10c [ 47.902156][ T4416] should_failslab+0x10/0x28 [ 47.902854][ T4416] slab_pre_alloc_hook+0x64/0xec [ 47.903552][ T4416] kmem_cache_alloc_trace+0x98/0x3fc [ 47.904290][ T4416] btrfs_alloc_root+0x8c/0x97c [ 47.904957][ T4416] btrfs_create_tree+0x104/0x984 [ 47.905657][ T4416] btrfs_quota_enable+0x348/0x166c [ 47.906391][ T4416] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 47.907146][ T4416] btrfs_ioctl+0x6f0/0xb38 [ 47.907771][ T4416] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.908477][ T4416] invoke_syscall+0x98/0x2b8 [ 47.909138][ T4416] el0_svc_common+0x138/0x258 [ 47.909903][ T4416] do_el0_svc+0x58/0x14c [ 47.910483][ T4416] el0_svc+0x78/0x1e0 [ 47.911056][ T4416] el0t_64_sync_handler+0xcc/0xe4 [ 47.911767][ T4416] el0t_64_sync+0x1a0/0x1a4 [ 47.917540][ T4416] ------------[ cut here ]------------ [ 47.926490][ T4416] WARNING: CPU: 1 PID: 4416 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 47.927976][ T4416] Modules linked in: [ 47.928542][ T4416] CPU: 1 PID: 4416 Comm: syz-executor.0 Not tainted syzkaller #0 [ 47.929771][ T4416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 47.931357][ T4416] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.932711][ T4416] pc : btrfs_quota_enable+0xfc4/0x166c [ 47.933534][ T4416] lr : btrfs_quota_enable+0xfc4/0x166c [ 47.934300][ T4416] sp : ffff80001f177ae0 [ 47.934902][ T4416] x29: ffff80001f177c40 x28: 0000000000001798 x27: ffff700003e2ef6c [ 47.936124][ T4416] x26: ffff0000dcbef0b0 x25: 1fffe0001c456809 x24: fffffffffffffff4 [ 47.937338][ T4416] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000dcbef108 [ 47.938536][ T4416] x20: 1fffe0001b97de21 x19: ffff0000e22b4000 x18: 0000000000000001 [ 47.939747][ T4416] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 47.941017][ T4416] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 47.942239][ T4416] x11: 0000000000000000 x10: 0000000000000000 x9 : 037c4d44598ebd00 [ 47.943464][ T4416] x8 : 037c4d44598ebd00 x7 : 0000000000000001 x6 : 0000000000000001 [ 47.944661][ T4416] x5 : ffff80001f1773d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 47.945843][ T4416] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 47.947013][ T4416] Call trace: [ 47.947508][ T4416] btrfs_quota_enable+0xfc4/0x166c [ 47.948284][ T4416] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 47.949009][ T4416] btrfs_ioctl+0x6f0/0xb38 [ 47.949662][ T4416] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.950367][ T4416] invoke_syscall+0x98/0x2b8 [ 47.951007][ T4416] el0_svc_common+0x138/0x258 [ 47.951715][ T4416] do_el0_svc+0x58/0x14c [ 47.952299][ T4416] el0_svc+0x78/0x1e0 [ 47.952859][ T4416] el0t_64_sync_handler+0xcc/0xe4 [ 47.953546][ T4416] el0t_64_sync+0x1a0/0x1a4 [ 47.954180][ T4416] irq event stamp: 82278 [ 47.954782][ T4416] hardirqs last enabled at (82277): [] __up_console_sem+0xb4/0x100 [ 47.956157][ T4416] hardirqs last disabled at (82278): [] el1_dbg+0x24/0x80 [ 47.957501][ T4416] softirqs last enabled at (82246): [] handle_softirqs+0xa4c/0xbf0 [ 47.958949][ T4416] softirqs last disabled at (82147): [] __irq_exit_rcu+0x240/0x440 [ 47.960383][ T4416] ---[ end trace fb1b1ac07ae42aa0 ]--- [ 47.964216][ T4416] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 47.965636][ T4416] BTRFS info (device loop0): forced readonly [ 48.171800][ T4484] loop0: detected capacity change from 0 to 32768 [ 48.175928][ T4484] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4484) [ 48.184971][ T4484] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.186907][ T4484] BTRFS info (device loop0): using free space tree [ 48.187899][ T4484] BTRFS info (device loop0): has skinny extents [ 48.254287][ T4484] BTRFS info (device loop0): enabling ssd optimizations [ 48.264160][ T4484] FAULT_INJECTION: forcing a failure. [ 48.264160][ T4484] name failslab, interval 1, probability 0, space 0, times 0 [ 48.266535][ T4484] CPU: 1 PID: 4484 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.267760][ T4484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.269126][ T4484] Call trace: [ 48.269657][ T4484] dump_backtrace+0x0/0x43c [ 48.270333][ T4484] show_stack+0x2c/0x3c [ 48.270987][ T4484] __dump_stack+0x30/0x40 [ 48.271705][ T4484] dump_stack_lvl+0xf8/0x160 [ 48.272406][ T4484] dump_stack+0x1c/0x5c [ 48.273017][ T4484] should_fail+0x3c0/0x51c [ 48.273631][ T4484] __should_failslab+0xbc/0x10c [ 48.274316][ T4484] should_failslab+0x10/0x28 [ 48.274991][ T4484] slab_pre_alloc_hook+0x64/0xec [ 48.275654][ T4484] kmem_cache_alloc_trace+0x98/0x3fc [ 48.276417][ T4484] btrfs_alloc_root+0x8c/0x97c [ 48.277076][ T4484] btrfs_create_tree+0x104/0x984 [ 48.277854][ T4484] btrfs_quota_enable+0x348/0x166c [ 48.278650][ T4484] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 48.279371][ T4484] btrfs_ioctl+0x6f0/0xb38 [ 48.280001][ T4484] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.280832][ T4484] invoke_syscall+0x98/0x2b8 [ 48.281542][ T4484] el0_svc_common+0x138/0x258 [ 48.282218][ T4484] do_el0_svc+0x58/0x14c [ 48.282848][ T4484] el0_svc+0x78/0x1e0 [ 48.283458][ T4484] el0t_64_sync_handler+0xcc/0xe4 [ 48.284183][ T4484] el0t_64_sync+0x1a0/0x1a4 [ 48.288669][ T4484] ------------[ cut here ]------------ [ 48.289530][ T4484] WARNING: CPU: 1 PID: 4484 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 48.290895][ T4484] Modules linked in: [ 48.291408][ T4484] CPU: 1 PID: 4484 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.292633][ T4484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.294142][ T4484] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.295254][ T4484] pc : btrfs_quota_enable+0xfc4/0x166c [ 48.296049][ T4484] lr : btrfs_quota_enable+0xfc4/0x166c [ 48.296992][ T4484] sp : ffff80001f227ae0 [ 48.297678][ T4484] x29: ffff80001f227c40 x28: 0000000000001798 x27: ffff700003e44f6c [ 48.298956][ T4484] x26: ffff0000dcbef210 x25: 1fffe0001b6ce009 x24: fffffffffffffff4 [ 48.300302][ T4484] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000dcbef268 [ 48.301561][ T4484] x20: 1fffe0001b97de4d x19: ffff0000db670000 x18: 0000000000000001 [ 48.302992][ T4484] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 48.304325][ T4484] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 48.305573][ T4484] x11: 0000000000000000 x10: 0000000000000000 x9 : 86e1c9b444f7e900 [ 48.306769][ T4484] x8 : 86e1c9b444f7e900 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.307978][ T4484] x5 : ffff80001f2273d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 48.309222][ T4484] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.310405][ T4484] Call trace: [ 48.310875][ T4484] btrfs_quota_enable+0xfc4/0x166c [ 48.311597][ T4484] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 48.312371][ T4484] btrfs_ioctl+0x6f0/0xb38 [ 48.312998][ T4484] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.313746][ T4484] invoke_syscall+0x98/0x2b8 [ 48.314487][ T4484] el0_svc_common+0x138/0x258 [ 48.315146][ T4484] do_el0_svc+0x58/0x14c [ 48.315776][ T4484] el0_svc+0x78/0x1e0 [ 48.316351][ T4484] el0t_64_sync_handler+0xcc/0xe4 [ 48.317169][ T4484] el0t_64_sync+0x1a0/0x1a4 [ 48.317833][ T4484] irq event stamp: 80534 [ 48.318455][ T4484] hardirqs last enabled at (80533): [] __up_console_sem+0xb4/0x100 [ 48.319868][ T4484] hardirqs last disabled at (80534): [] el1_dbg+0x24/0x80 [ 48.321104][ T4484] softirqs last enabled at (80514): [] handle_softirqs+0xa4c/0xbf0 [ 48.322525][ T4484] softirqs last disabled at (80495): [] __irq_exit_rcu+0x240/0x440 [ 48.323882][ T4484] ---[ end trace fb1b1ac07ae42aa1 ]--- [ 48.328000][ T4484] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 48.329398][ T4484] BTRFS info (device loop0): forced readonly [ 48.518537][ T4549] loop0: detected capacity change from 0 to 32768 [ 48.524627][ T4549] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4549) [ 48.533674][ T4549] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.536176][ T4549] BTRFS info (device loop0): using free space tree [ 48.537228][ T4549] BTRFS info (device loop0): has skinny extents [ 48.567010][ T4528] Bluetooth: hci0: command 0x0409 tx timeout [ 48.603773][ T4549] BTRFS info (device loop0): enabling ssd optimizations [ 48.607893][ T4549] FAULT_INJECTION: forcing a failure. [ 48.607893][ T4549] name failslab, interval 1, probability 0, space 0, times 0 [ 48.609732][ T4549] CPU: 0 PID: 4549 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.610985][ T4549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.612476][ T4549] Call trace: [ 48.612983][ T4549] dump_backtrace+0x0/0x43c [ 48.613686][ T4549] show_stack+0x2c/0x3c [ 48.614300][ T4549] __dump_stack+0x30/0x40 [ 48.615008][ T4549] dump_stack_lvl+0xf8/0x160 [ 48.615668][ T4549] dump_stack+0x1c/0x5c [ 48.616270][ T4549] should_fail+0x3c0/0x51c [ 48.617037][ T4549] __should_failslab+0xbc/0x10c [ 48.617816][ T4549] should_failslab+0x10/0x28 [ 48.618545][ T4549] slab_pre_alloc_hook+0x64/0xec [ 48.619364][ T4549] kmem_cache_alloc_trace+0x98/0x3fc [ 48.620128][ T4549] btrfs_alloc_root+0x8c/0x97c [ 48.620802][ T4549] btrfs_create_tree+0x104/0x984 [ 48.621492][ T4549] btrfs_quota_enable+0x348/0x166c [ 48.622327][ T4549] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 48.623124][ T4549] btrfs_ioctl+0x6f0/0xb38 [ 48.623785][ T4549] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.624582][ T4549] invoke_syscall+0x98/0x2b8 [ 48.625248][ T4549] el0_svc_common+0x138/0x258 [ 48.625929][ T4549] do_el0_svc+0x58/0x14c [ 48.626555][ T4549] el0_svc+0x78/0x1e0 [ 48.627203][ T4549] el0t_64_sync_handler+0xcc/0xe4 [ 48.627955][ T4549] el0t_64_sync+0x1a0/0x1a4 [ 48.633715][ T4549] ------------[ cut here ]------------ [ 48.634634][ T4549] WARNING: CPU: 0 PID: 4549 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 48.636130][ T4549] Modules linked in: [ 48.636737][ T4549] CPU: 0 PID: 4549 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.637996][ T4549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.639379][ T4549] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.640539][ T4549] pc : btrfs_quota_enable+0xfc4/0x166c [ 48.641325][ T4549] lr : btrfs_quota_enable+0xfc4/0x166c [ 48.642120][ T4549] sp : ffff80001fd37ae0 [ 48.642690][ T4549] x29: ffff80001fd37c40 x28: 0000000000001798 x27: ffff700003fa6f6c [ 48.643796][ T4549] x26: ffff0000de2160b0 x25: 1fffe0001b6ce009 x24: fffffffffffffff4 [ 48.644995][ T4549] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de216108 [ 48.646129][ T4549] x20: 1fffe0001bc42c21 x19: ffff0000db670000 x18: 0000000000000001 [ 48.647279][ T4549] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 48.648546][ T4549] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 48.649717][ T4549] x11: 0000000000000000 x10: 0000000000000000 x9 : fd883f4015331e00 [ 48.650965][ T4549] x8 : fd883f4015331e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.652126][ T4549] x5 : ffff80001fd373d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 48.653417][ T4549] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.654716][ T4549] Call trace: [ 48.655223][ T4549] btrfs_quota_enable+0xfc4/0x166c [ 48.656046][ T4549] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 48.656863][ T4549] btrfs_ioctl+0x6f0/0xb38 [ 48.657580][ T4549] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.658286][ T4549] invoke_syscall+0x98/0x2b8 [ 48.658999][ T4549] el0_svc_common+0x138/0x258 [ 48.659657][ T4549] do_el0_svc+0x58/0x14c [ 48.660302][ T4549] el0_svc+0x78/0x1e0 [ 48.660942][ T4549] el0t_64_sync_handler+0xcc/0xe4 [ 48.661768][ T4549] el0t_64_sync+0x1a0/0x1a4 [ 48.662398][ T4549] irq event stamp: 80828 [ 48.662991][ T4549] hardirqs last enabled at (80827): [] __up_console_sem+0xb4/0x100 [ 48.664404][ T4549] hardirqs last disabled at (80828): [] el1_dbg+0x24/0x80 [ 48.665621][ T4549] softirqs last enabled at (80808): [] handle_softirqs+0xa4c/0xbf0 [ 48.667012][ T4549] softirqs last disabled at (80685): [] __irq_exit_rcu+0x240/0x440 [ 48.668465][ T4549] ---[ end trace fb1b1ac07ae42aa2 ]--- [ 48.674545][ T4549] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 48.685007][ T4549] BTRFS info (device loop0): forced readonly [ 48.925859][ T4609] loop0: detected capacity change from 0 to 32768 [ 48.939121][ T4609] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4609) [ 48.951634][ T4609] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.953297][ T4609] BTRFS info (device loop0): using free space tree [ 48.957997][ T4609] BTRFS info (device loop0): has skinny extents [ 49.018525][ T4609] BTRFS info (device loop0): enabling ssd optimizations [ 49.027758][ T4609] FAULT_INJECTION: forcing a failure. [ 49.027758][ T4609] name failslab, interval 1, probability 0, space 0, times 0 [ 49.029589][ T4609] CPU: 0 PID: 4609 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.030797][ T4609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.032236][ T4609] Call trace: [ 49.032760][ T4609] dump_backtrace+0x0/0x43c [ 49.033383][ T4609] show_stack+0x2c/0x3c [ 49.033952][ T4609] __dump_stack+0x30/0x40 [ 49.034587][ T4609] dump_stack_lvl+0xf8/0x160 [ 49.035246][ T4609] dump_stack+0x1c/0x5c [ 49.035822][ T4609] should_fail+0x3c0/0x51c [ 49.036483][ T4609] __should_failslab+0xbc/0x10c [ 49.037198][ T4609] should_failslab+0x10/0x28 [ 49.037866][ T4609] slab_pre_alloc_hook+0x64/0xec [ 49.038618][ T4609] kmem_cache_alloc_trace+0x98/0x3fc [ 49.039410][ T4609] btrfs_alloc_root+0x8c/0x97c [ 49.040089][ T4609] btrfs_create_tree+0x104/0x984 [ 49.040799][ T4609] btrfs_quota_enable+0x348/0x166c [ 49.041585][ T4609] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.042333][ T4609] btrfs_ioctl+0x6f0/0xb38 [ 49.042970][ T4609] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.043762][ T4609] invoke_syscall+0x98/0x2b8 [ 49.044460][ T4609] el0_svc_common+0x138/0x258 [ 49.045180][ T4609] do_el0_svc+0x58/0x14c [ 49.045823][ T4609] el0_svc+0x78/0x1e0 [ 49.046409][ T4609] el0t_64_sync_handler+0xcc/0xe4 [ 49.047162][ T4609] el0t_64_sync+0x1a0/0x1a4 [ 49.052254][ T4609] ------------[ cut here ]------------ [ 49.053209][ T4609] WARNING: CPU: 0 PID: 4609 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 49.054665][ T4609] Modules linked in: [ 49.055227][ T4609] CPU: 0 PID: 4609 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.056471][ T4609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.057824][ T4609] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.058928][ T4609] pc : btrfs_quota_enable+0xfc4/0x166c [ 49.059731][ T4609] lr : btrfs_quota_enable+0xfc4/0x166c [ 49.060501][ T4609] sp : ffff80001fd47ae0 [ 49.061116][ T4609] x29: ffff80001fd47c40 x28: 0000000000001798 x27: ffff700003fa8f6c [ 49.062255][ T4609] x26: ffff0000de216210 x25: 1fffe00019fd1809 x24: fffffffffffffff4 [ 49.063469][ T4609] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de216268 [ 49.064583][ T4609] x20: 1fffe0001bc42c4d x19: ffff0000cfe8c000 x18: 0000000000000001 [ 49.065783][ T4609] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 49.067034][ T4609] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 49.068215][ T4609] x11: 0000000000000000 x10: 0000000000000000 x9 : 661f393822959e00 [ 49.069598][ T4609] x8 : 661f393822959e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.070982][ T4609] x5 : ffff80001fd473d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 49.072337][ T4609] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.073522][ T4609] Call trace: [ 49.074040][ T4609] btrfs_quota_enable+0xfc4/0x166c [ 49.074943][ T4609] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.075745][ T4609] btrfs_ioctl+0x6f0/0xb38 [ 49.076365][ T4609] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.077101][ T4609] invoke_syscall+0x98/0x2b8 [ 49.077779][ T4609] el0_svc_common+0x138/0x258 [ 49.078462][ T4609] do_el0_svc+0x58/0x14c [ 49.079038][ T4609] el0_svc+0x78/0x1e0 [ 49.079651][ T4609] el0t_64_sync_handler+0xcc/0xe4 [ 49.080400][ T4609] el0t_64_sync+0x1a0/0x1a4 [ 49.081095][ T4609] irq event stamp: 80306 [ 49.081706][ T4609] hardirqs last enabled at (80305): [] __up_console_sem+0xb4/0x100 [ 49.083091][ T4609] hardirqs last disabled at (80306): [] el1_dbg+0x24/0x80 [ 49.084412][ T4609] softirqs last enabled at (80286): [] handle_softirqs+0xa4c/0xbf0 [ 49.085801][ T4609] softirqs last disabled at (80267): [] __irq_exit_rcu+0x240/0x440 [ 49.087181][ T4609] ---[ end trace fb1b1ac07ae42aa3 ]--- [ 49.093715][ T4609] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 49.099864][ T4609] BTRFS info (device loop0): forced readonly [ 49.337044][ T4671] loop0: detected capacity change from 0 to 32768 [ 49.348514][ T4671] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4671) [ 49.357913][ T4671] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.359541][ T4671] BTRFS info (device loop0): using free space tree [ 49.360530][ T4671] BTRFS info (device loop0): has skinny extents [ 49.422176][ T4671] BTRFS info (device loop0): enabling ssd optimizations [ 49.426976][ T4671] FAULT_INJECTION: forcing a failure. [ 49.426976][ T4671] name failslab, interval 1, probability 0, space 0, times 0 [ 49.428990][ T4671] CPU: 0 PID: 4671 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.430316][ T4671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.431772][ T4671] Call trace: [ 49.432279][ T4671] dump_backtrace+0x0/0x43c [ 49.432950][ T4671] show_stack+0x2c/0x3c [ 49.433579][ T4671] __dump_stack+0x30/0x40 [ 49.434188][ T4671] dump_stack_lvl+0xf8/0x160 [ 49.434859][ T4671] dump_stack+0x1c/0x5c [ 49.435428][ T4671] should_fail+0x3c0/0x51c [ 49.436080][ T4671] __should_failslab+0xbc/0x10c [ 49.436807][ T4671] should_failslab+0x10/0x28 [ 49.437495][ T4671] slab_pre_alloc_hook+0x64/0xec [ 49.438193][ T4671] kmem_cache_alloc_trace+0x98/0x3fc [ 49.438928][ T4671] btrfs_alloc_root+0x8c/0x97c [ 49.439602][ T4671] btrfs_create_tree+0x104/0x984 [ 49.440344][ T4671] btrfs_quota_enable+0x348/0x166c [ 49.441069][ T4671] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.441830][ T4671] btrfs_ioctl+0x6f0/0xb38 [ 49.442530][ T4671] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.443260][ T4671] invoke_syscall+0x98/0x2b8 [ 49.443939][ T4671] el0_svc_common+0x138/0x258 [ 49.444691][ T4671] do_el0_svc+0x58/0x14c [ 49.445275][ T4671] el0_svc+0x78/0x1e0 [ 49.445897][ T4671] el0t_64_sync_handler+0xcc/0xe4 [ 49.446686][ T4671] el0t_64_sync+0x1a0/0x1a4 [ 49.449709][ T4671] ------------[ cut here ]------------ [ 49.450635][ T4671] WARNING: CPU: 0 PID: 4671 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 49.452109][ T4671] Modules linked in: [ 49.452729][ T4671] CPU: 0 PID: 4671 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.454249][ T4671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.455992][ T4671] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.457251][ T4671] pc : btrfs_quota_enable+0xfc4/0x166c [ 49.458150][ T4671] lr : btrfs_quota_enable+0xfc4/0x166c [ 49.459043][ T4671] sp : ffff80001fdc7ae0 [ 49.459703][ T4671] x29: ffff80001fdc7c40 x28: 0000000000001798 x27: ffff700003fb8f6c [ 49.461019][ T4671] x26: ffff0000de216370 x25: 1fffe000193d8009 x24: fffffffffffffff4 [ 49.462418][ T4671] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de2163c8 [ 49.463652][ T4671] x20: 1fffe0001bc42c79 x19: ffff0000c9ec0000 x18: 0000000000000001 [ 49.464916][ T4671] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 49.466269][ T4671] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 49.467625][ T4671] x11: 0000000000000000 x10: 0000000000000000 x9 : ef4a77a4b1499700 [ 49.468987][ T4671] x8 : ef4a77a4b1499700 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.470346][ T4671] x5 : ffff80001fdc73d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 49.471714][ T4671] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.472940][ T4671] Call trace: [ 49.473392][ T4671] btrfs_quota_enable+0xfc4/0x166c [ 49.474151][ T4671] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.474931][ T4671] btrfs_ioctl+0x6f0/0xb38 [ 49.475616][ T4671] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.476359][ T4671] invoke_syscall+0x98/0x2b8 [ 49.477055][ T4671] el0_svc_common+0x138/0x258 [ 49.477699][ T4671] do_el0_svc+0x58/0x14c [ 49.478431][ T4671] el0_svc+0x78/0x1e0 [ 49.479086][ T4671] el0t_64_sync_handler+0xcc/0xe4 [ 49.479881][ T4671] el0t_64_sync+0x1a0/0x1a4 [ 49.480550][ T4671] irq event stamp: 81242 [ 49.481154][ T4671] hardirqs last enabled at (81241): [] __up_console_sem+0xb4/0x100 [ 49.482695][ T4671] hardirqs last disabled at (81242): [] el1_dbg+0x24/0x80 [ 49.484030][ T4671] softirqs last enabled at (81222): [] handle_softirqs+0xa4c/0xbf0 [ 49.485642][ T4671] softirqs last disabled at (81109): [] __irq_exit_rcu+0x240/0x440 [ 49.487042][ T4671] ---[ end trace fb1b1ac07ae42aa4 ]--- [ 49.491463][ T4671] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 49.495259][ T4671] BTRFS info (device loop0): forced readonly [ 49.706924][ T4727] loop0: detected capacity change from 0 to 32768 [ 49.709507][ T4727] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4727) [ 49.713555][ T4727] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.715089][ T4727] BTRFS info (device loop0): using free space tree [ 49.716016][ T4727] BTRFS info (device loop0): has skinny extents [ 49.727926][ T4727] BTRFS info (device loop0): enabling ssd optimizations [ 49.732279][ T4727] FAULT_INJECTION: forcing a failure. [ 49.732279][ T4727] name failslab, interval 1, probability 0, space 0, times 0 [ 49.734221][ T4727] CPU: 0 PID: 4727 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.735486][ T4727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.737128][ T4727] Call trace: [ 49.737667][ T4727] dump_backtrace+0x0/0x43c [ 49.738391][ T4727] show_stack+0x2c/0x3c [ 49.739026][ T4727] __dump_stack+0x30/0x40 [ 49.739688][ T4727] dump_stack_lvl+0xf8/0x160 [ 49.740349][ T4727] dump_stack+0x1c/0x5c [ 49.740972][ T4727] should_fail+0x3c0/0x51c [ 49.741571][ T4727] __should_failslab+0xbc/0x10c [ 49.742241][ T4727] should_failslab+0x10/0x28 [ 49.742865][ T4727] slab_pre_alloc_hook+0x64/0xec [ 49.743668][ T4727] kmem_cache_alloc_trace+0x98/0x3fc [ 49.744495][ T4727] btrfs_alloc_root+0x8c/0x97c [ 49.745186][ T4727] btrfs_create_tree+0x104/0x984 [ 49.745892][ T4727] btrfs_quota_enable+0x348/0x166c [ 49.746636][ T4727] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.747494][ T4727] btrfs_ioctl+0x6f0/0xb38 [ 49.748164][ T4727] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.748922][ T4727] invoke_syscall+0x98/0x2b8 [ 49.749650][ T4727] el0_svc_common+0x138/0x258 [ 49.750443][ T4727] do_el0_svc+0x58/0x14c [ 49.751166][ T4727] el0_svc+0x78/0x1e0 [ 49.751769][ T4727] el0t_64_sync_handler+0xcc/0xe4 [ 49.752482][ T4727] el0t_64_sync+0x1a0/0x1a4 [ 49.754432][ T4727] ------------[ cut here ]------------ [ 49.755301][ T4727] WARNING: CPU: 0 PID: 4727 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 49.756682][ T4727] Modules linked in: [ 49.757196][ T4727] CPU: 0 PID: 4727 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.758467][ T4727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.759841][ T4727] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.760921][ T4727] pc : btrfs_quota_enable+0xfc4/0x166c [ 49.761682][ T4727] lr : btrfs_quota_enable+0xfc4/0x166c [ 49.762458][ T4727] sp : ffff80001fc77ae0 [ 49.763041][ T4727] x29: ffff80001fc77c40 x28: 0000000000001798 x27: ffff700003f8ef6c [ 49.764226][ T4727] x26: ffff0000de2164d0 x25: 1fffe0001a256009 x24: fffffffffffffff4 [ 49.765335][ T4727] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de216528 [ 49.766495][ T4727] x20: 1fffe0001bc42ca5 x19: ffff0000d12b0000 x18: 0000000000000001 [ 49.767671][ T4727] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 49.768817][ T4727] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 49.770137][ T4727] x11: 0000000000000000 x10: 0000000000000000 x9 : c4a8457487e24b00 [ 49.771466][ T4727] x8 : c4a8457487e24b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.772632][ T4727] x5 : ffff80001fc773d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 49.773741][ T4727] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.774880][ T4727] Call trace: [ 49.775358][ T4727] btrfs_quota_enable+0xfc4/0x166c [ 49.776180][ T4727] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.777057][ T4727] btrfs_ioctl+0x6f0/0xb38 [ 49.777795][ T4727] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.778610][ T4727] invoke_syscall+0x98/0x2b8 [ 49.779257][ T4727] el0_svc_common+0x138/0x258 [ 49.779955][ T4727] do_el0_svc+0x58/0x14c [ 49.780674][ T4727] el0_svc+0x78/0x1e0 [ 49.781260][ T4727] el0t_64_sync_handler+0xcc/0xe4 [ 49.781993][ T4727] el0t_64_sync+0x1a0/0x1a4 [ 49.782728][ T4727] irq event stamp: 80610 [ 49.783327][ T4727] hardirqs last enabled at (80609): [] __up_console_sem+0xb4/0x100 [ 49.784813][ T4727] hardirqs last disabled at (80610): [] el1_dbg+0x24/0x80 [ 49.786116][ T4727] softirqs last enabled at (80590): [] handle_softirqs+0xa4c/0xbf0 [ 49.787458][ T4727] softirqs last disabled at (80403): [] __irq_exit_rcu+0x240/0x440 [ 49.788842][ T4727] ---[ end trace fb1b1ac07ae42aa5 ]--- [ 49.790192][ T4727] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 49.791510][ T4727] BTRFS info (device loop0): forced readonly [ 49.971428][ T4755] loop0: detected capacity change from 0 to 32768 [ 49.974012][ T4755] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4755) [ 49.977939][ T4755] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.980713][ T4755] BTRFS info (device loop0): using free space tree [ 49.981933][ T4755] BTRFS info (device loop0): has skinny extents [ 49.994539][ T4755] BTRFS info (device loop0): enabling ssd optimizations [ 49.999184][ T4755] FAULT_INJECTION: forcing a failure. [ 49.999184][ T4755] name failslab, interval 1, probability 0, space 0, times 0 [ 50.001264][ T4755] CPU: 1 PID: 4755 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.002475][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.003826][ T4755] Call trace: [ 50.004380][ T4755] dump_backtrace+0x0/0x43c [ 50.005098][ T4755] show_stack+0x2c/0x3c [ 50.005762][ T4755] __dump_stack+0x30/0x40 [ 50.006409][ T4755] dump_stack_lvl+0xf8/0x160 [ 50.007100][ T4755] dump_stack+0x1c/0x5c [ 50.007726][ T4755] should_fail+0x3c0/0x51c [ 50.008448][ T4755] __should_failslab+0xbc/0x10c [ 50.009229][ T4755] should_failslab+0x10/0x28 [ 50.009862][ T4755] slab_pre_alloc_hook+0x64/0xec [ 50.010556][ T4755] kmem_cache_alloc+0x94/0x3e4 [ 50.011198][ T4755] __kernfs_new_node+0xe4/0x5d8 [ 50.011876][ T4755] kernfs_new_node+0x11c/0x240 [ 50.012682][ T4755] kernfs_create_dir_ns+0x58/0x12c [ 50.013466][ T4755] sysfs_create_dir_ns+0x114/0x24c [ 50.014248][ T4755] kobject_add_internal+0x590/0xc54 [ 50.015023][ T4755] kobject_add+0x134/0x1f8 [ 50.015661][ T4755] kobject_create_and_add+0x140/0x214 [ 50.016462][ T4755] btrfs_sysfs_add_qgroups+0xe8/0x270 [ 50.017306][ T4755] btrfs_quota_enable+0x18c/0x166c [ 50.018178][ T4755] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 50.019057][ T4755] btrfs_ioctl+0x6f0/0xb38 [ 50.019756][ T4755] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.020501][ T4755] invoke_syscall+0x98/0x2b8 [ 50.021163][ T4755] el0_svc_common+0x138/0x258 [ 50.021796][ T4755] do_el0_svc+0x58/0x14c [ 50.022506][ T4755] el0_svc+0x78/0x1e0 [ 50.023188][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 50.023974][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 50.026881][ T4755] kobject_add_internal failed for qgroups (error: -12 parent: a6a605fc-d5f1-4e66-8595-3726e2b761d6) [ 50.028564][ T4755] kobject_create_and_add: kobject_add error: -12 [ 50.220475][ T4776] loop0: detected capacity change from 0 to 32768 [ 50.223092][ T4776] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4776) [ 50.228983][ T4776] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.230535][ T4776] BTRFS info (device loop0): using free space tree [ 50.231460][ T4776] BTRFS info (device loop0): has skinny extents [ 50.246728][ T4776] BTRFS info (device loop0): enabling ssd optimizations [ 50.251168][ T4776] FAULT_INJECTION: forcing a failure. [ 50.251168][ T4776] name failslab, interval 1, probability 0, space 0, times 0 [ 50.253156][ T4776] CPU: 1 PID: 4776 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.254419][ T4776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.255800][ T4776] Call trace: [ 50.256268][ T4776] dump_backtrace+0x0/0x43c [ 50.256912][ T4776] show_stack+0x2c/0x3c [ 50.257500][ T4776] __dump_stack+0x30/0x40 [ 50.258079][ T4776] dump_stack_lvl+0xf8/0x160 [ 50.258714][ T4776] dump_stack+0x1c/0x5c [ 50.259318][ T4776] should_fail+0x3c0/0x51c [ 50.259918][ T4776] __should_failslab+0xbc/0x10c [ 50.260549][ T4776] should_failslab+0x10/0x28 [ 50.261140][ T4776] slab_pre_alloc_hook+0x64/0xec [ 50.261817][ T4776] kmem_cache_alloc+0x94/0x3e4 [ 50.262541][ T4776] start_transaction+0x4d0/0x13f0 [ 50.263247][ T4776] btrfs_start_transaction+0x34/0x44 [ 50.264152][ T4776] btrfs_quota_enable+0x1b8/0x166c [ 50.264979][ T4776] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 50.265806][ T4776] btrfs_ioctl+0x6f0/0xb38 [ 50.266402][ T4776] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.267101][ T4776] invoke_syscall+0x98/0x2b8 [ 50.267739][ T4776] el0_svc_common+0x138/0x258 [ 50.268403][ T4776] do_el0_svc+0x58/0x14c [ 50.268995][ T4776] el0_svc+0x78/0x1e0 [ 50.269559][ T4776] el0t_64_sync_handler+0xcc/0xe4 [ 50.270262][ T4776] el0t_64_sync+0x1a0/0x1a4 [ 50.482672][ T4797] loop0: detected capacity change from 0 to 32768 [ 50.485158][ T4797] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4797) [ 50.488721][ T4797] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.490522][ T4797] BTRFS info (device loop0): using free space tree [ 50.491703][ T4797] BTRFS info (device loop0): has skinny extents [ 50.505529][ T4797] BTRFS info (device loop0): enabling ssd optimizations [ 50.509615][ T4797] FAULT_INJECTION: forcing a failure. [ 50.509615][ T4797] name failslab, interval 1, probability 0, space 0, times 0 [ 50.511700][ T4797] CPU: 0 PID: 4797 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.513153][ T4797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.514780][ T4797] Call trace: [ 50.515302][ T4797] dump_backtrace+0x0/0x43c [ 50.516007][ T4797] show_stack+0x2c/0x3c [ 50.516679][ T4797] __dump_stack+0x30/0x40 [ 50.517258][ T4797] dump_stack_lvl+0xf8/0x160 [ 50.517895][ T4797] dump_stack+0x1c/0x5c [ 50.518495][ T4797] should_fail+0x3c0/0x51c [ 50.519103][ T4797] __should_failslab+0xbc/0x10c [ 50.519797][ T4797] should_failslab+0x10/0x28 [ 50.520460][ T4797] slab_pre_alloc_hook+0x64/0xec [ 50.521181][ T4797] kmem_cache_alloc+0x94/0x3e4 [ 50.521914][ T4797] start_transaction+0x4d0/0x13f0 [ 50.522622][ T4797] btrfs_start_transaction+0x34/0x44 [ 50.523334][ T4797] btrfs_quota_enable+0x1b8/0x166c [ 50.524049][ T4797] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 50.524818][ T4797] btrfs_ioctl+0x6f0/0xb38 [ 50.525469][ T4797] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.526204][ T4797] invoke_syscall+0x98/0x2b8 [ 50.526883][ T4797] el0_svc_common+0x138/0x258 [ 50.527558][ T4797] do_el0_svc+0x58/0x14c [ 50.528221][ T4797] el0_svc+0x78/0x1e0 [ 50.528789][ T4797] el0t_64_sync_handler+0xcc/0xe4 [ 50.529562][ T4797] el0t_64_sync+0x1a0/0x1a4 [ 50.646185][ T1541] Bluetooth: hci0: command 0x041b tx timeout [ 50.720937][ T4819] loop0: detected capacity change from 0 to 32768 [ 50.725046][ T4819] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4819) [ 50.734305][ T4819] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.735785][ T4819] BTRFS info (device loop0): using free space tree [ 50.737143][ T4819] BTRFS info (device loop0): has skinny extents [ 50.748843][ T4819] BTRFS info (device loop0): enabling ssd optimizations [ 50.752470][ T4819] FAULT_INJECTION: forcing a failure. [ 50.752470][ T4819] name failslab, interval 1, probability 0, space 0, times 0 [ 50.754585][ T4819] CPU: 1 PID: 4819 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.755931][ T4819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.757435][ T4819] Call trace: [ 50.757935][ T4819] dump_backtrace+0x0/0x43c [ 50.758581][ T4819] show_stack+0x2c/0x3c [ 50.759182][ T4819] __dump_stack+0x30/0x40 [ 50.759766][ T4819] dump_stack_lvl+0xf8/0x160 [ 50.760393][ T4819] dump_stack+0x1c/0x5c [ 50.760986][ T4819] should_fail+0x3c0/0x51c [ 50.761599][ T4819] __should_failslab+0xbc/0x10c [ 50.762369][ T4819] should_failslab+0x10/0x28 [ 50.763011][ T4819] slab_pre_alloc_hook+0x64/0xec [ 50.763720][ T4819] kmem_cache_alloc+0x94/0x3e4 [ 50.764419][ T4819] start_transaction+0x4d0/0x13f0 [ 50.765135][ T4819] btrfs_start_transaction+0x34/0x44 [ 50.765936][ T4819] btrfs_quota_enable+0x1b8/0x166c [ 50.766645][ T4819] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 50.767399][ T4819] btrfs_ioctl+0x6f0/0xb38 [ 50.768044][ T4819] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.768767][ T4819] invoke_syscall+0x98/0x2b8 [ 50.769367][ T4819] el0_svc_common+0x138/0x258 [ 50.770048][ T4819] do_el0_svc+0x58/0x14c [ 50.770705][ T4819] el0_svc+0x78/0x1e0 [ 50.771249][ T4819] el0t_64_sync_handler+0xcc/0xe4 [ 50.772039][ T4819] el0t_64_sync+0x1a0/0x1a4 [ 50.962941][ T4840] loop0: detected capacity change from 0 to 32768 [ 50.967683][ T4840] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4840) [ 50.970928][ T4840] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.973180][ T4840] BTRFS info (device loop0): using free space tree [ 50.974104][ T4840] BTRFS info (device loop0): has skinny extents [ 50.985714][ T4840] BTRFS info (device loop0): enabling ssd optimizations [ 50.990232][ T4840] FAULT_INJECTION: forcing a failure. [ 50.990232][ T4840] name failslab, interval 1, probability 0, space 0, times 0 [ 50.992449][ T4840] CPU: 1 PID: 4840 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.993777][ T4840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.995333][ T4840] Call trace: [ 50.995815][ T4840] dump_backtrace+0x0/0x43c [ 50.996517][ T4840] show_stack+0x2c/0x3c [ 50.997168][ T4840] __dump_stack+0x30/0x40 [ 50.997754][ T4840] dump_stack_lvl+0xf8/0x160 [ 50.998413][ T4840] dump_stack+0x1c/0x5c [ 50.999023][ T4840] should_fail+0x3c0/0x51c [ 50.999785][ T4840] __should_failslab+0xbc/0x10c [ 51.000611][ T4840] should_failslab+0x10/0x28 [ 51.001356][ T4840] slab_pre_alloc_hook+0x64/0xec [ 51.002058][ T4840] kmem_cache_alloc_trace+0x98/0x3fc [ 51.002877][ T4840] btrfs_alloc_root+0x8c/0x97c [ 51.003560][ T4840] btrfs_create_tree+0x104/0x984 [ 51.004336][ T4840] btrfs_quota_enable+0x348/0x166c [ 51.005113][ T4840] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.005892][ T4840] btrfs_ioctl+0x6f0/0xb38 [ 51.006528][ T4840] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.007288][ T4840] invoke_syscall+0x98/0x2b8 [ 51.008016][ T4840] el0_svc_common+0x138/0x258 [ 51.008796][ T4840] do_el0_svc+0x58/0x14c [ 51.009470][ T4840] el0_svc+0x78/0x1e0 [ 51.010103][ T4840] el0t_64_sync_handler+0xcc/0xe4 [ 51.010943][ T4840] el0t_64_sync+0x1a0/0x1a4 [ 51.012501][ T4840] ------------[ cut here ]------------ [ 51.013396][ T4840] WARNING: CPU: 1 PID: 4840 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 51.014688][ T4840] Modules linked in: [ 51.015238][ T4840] CPU: 1 PID: 4840 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.016500][ T4840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.017899][ T4840] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.018999][ T4840] pc : btrfs_quota_enable+0xfc4/0x166c [ 51.019770][ T4840] lr : btrfs_quota_enable+0xfc4/0x166c [ 51.020514][ T4840] sp : ffff800020007ae0 [ 51.021082][ T4840] x29: ffff800020007c40 x28: 0000000000001798 x27: ffff700004000f6c [ 51.022323][ T4840] x26: ffff0000dcbef9a0 x25: 1fffe0001a243809 x24: fffffffffffffff4 [ 51.023569][ T4840] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000dcbef9f8 [ 51.024849][ T4840] x20: 1fffe0001b97df3f x19: ffff0000d121c000 x18: 0000000000000001 [ 51.025984][ T4840] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 51.027173][ T4840] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 51.028317][ T4840] x11: 0000000000000000 x10: 0000000000000000 x9 : f37596f1096a7800 [ 51.029495][ T4840] x8 : f37596f1096a7800 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.030747][ T4840] x5 : ffff8000200073d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 51.031938][ T4840] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.033198][ T4840] Call trace: [ 51.033719][ T4840] btrfs_quota_enable+0xfc4/0x166c [ 51.034480][ T4840] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.035305][ T4840] btrfs_ioctl+0x6f0/0xb38 [ 51.035985][ T4840] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.036677][ T4840] invoke_syscall+0x98/0x2b8 [ 51.037322][ T4840] el0_svc_common+0x138/0x258 [ 51.038079][ T4840] do_el0_svc+0x58/0x14c [ 51.038756][ T4840] el0_svc+0x78/0x1e0 [ 51.039376][ T4840] el0t_64_sync_handler+0xcc/0xe4 [ 51.040186][ T4840] el0t_64_sync+0x1a0/0x1a4 [ 51.040822][ T4840] irq event stamp: 80008 [ 51.041461][ T4840] hardirqs last enabled at (80007): [] __up_console_sem+0xb4/0x100 [ 51.042877][ T4840] hardirqs last disabled at (80008): [] el1_dbg+0x24/0x80 [ 51.044167][ T4840] softirqs last enabled at (79988): [] handle_softirqs+0xa4c/0xbf0 [ 51.045583][ T4840] softirqs last disabled at (79829): [] __irq_exit_rcu+0x240/0x440 [ 51.047044][ T4840] ---[ end trace fb1b1ac07ae42aa6 ]--- [ 51.048876][ T4840] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 51.050248][ T4840] BTRFS info (device loop0): forced readonly [ 51.251025][ T4861] loop0: detected capacity change from 0 to 32768 [ 51.253455][ T4861] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4861) [ 51.257940][ T4861] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.259397][ T4861] BTRFS info (device loop0): using free space tree [ 51.260353][ T4861] BTRFS info (device loop0): has skinny extents [ 51.269217][ T4861] BTRFS info (device loop0): enabling ssd optimizations [ 51.273001][ T4861] FAULT_INJECTION: forcing a failure. [ 51.273001][ T4861] name failslab, interval 1, probability 0, space 0, times 0 [ 51.274979][ T4861] CPU: 1 PID: 4861 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.276240][ T4861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.277716][ T4861] Call trace: [ 51.278174][ T4861] dump_backtrace+0x0/0x43c [ 51.278858][ T4861] show_stack+0x2c/0x3c [ 51.279522][ T4861] __dump_stack+0x30/0x40 [ 51.280206][ T4861] dump_stack_lvl+0xf8/0x160 [ 51.280916][ T4861] dump_stack+0x1c/0x5c [ 51.281571][ T4861] should_fail+0x3c0/0x51c [ 51.282259][ T4861] __should_failslab+0xbc/0x10c [ 51.283009][ T4861] should_failslab+0x10/0x28 [ 51.283668][ T4861] slab_pre_alloc_hook+0x64/0xec [ 51.284424][ T4861] kmem_cache_alloc_trace+0x98/0x3fc [ 51.285202][ T4861] btrfs_alloc_root+0x8c/0x97c [ 51.285862][ T4861] btrfs_create_tree+0x104/0x984 [ 51.286548][ T4861] btrfs_quota_enable+0x348/0x166c [ 51.287238][ T4861] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.288084][ T4861] btrfs_ioctl+0x6f0/0xb38 [ 51.288779][ T4861] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.289542][ T4861] invoke_syscall+0x98/0x2b8 [ 51.290285][ T4861] el0_svc_common+0x138/0x258 [ 51.291052][ T4861] do_el0_svc+0x58/0x14c [ 51.291710][ T4861] el0_svc+0x78/0x1e0 [ 51.292337][ T4861] el0t_64_sync_handler+0xcc/0xe4 [ 51.293074][ T4861] el0t_64_sync+0x1a0/0x1a4 [ 51.295105][ T4861] ------------[ cut here ]------------ [ 51.296050][ T4861] WARNING: CPU: 1 PID: 4861 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 51.297388][ T4861] Modules linked in: [ 51.297965][ T4861] CPU: 1 PID: 4861 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.299481][ T4861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.301102][ T4861] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.302339][ T4861] pc : btrfs_quota_enable+0xfc4/0x166c [ 51.303167][ T4861] lr : btrfs_quota_enable+0xfc4/0x166c [ 51.303960][ T4861] sp : ffff80001fea7ae0 [ 51.304568][ T4861] x29: ffff80001fea7c40 x28: 0000000000001798 x27: ffff700003fd4f6c [ 51.305827][ T4861] x26: ffff0000dcbefb00 x25: 1fffe0001af72009 x24: fffffffffffffff4 [ 51.307043][ T4861] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000dcbefb58 [ 51.308329][ T4861] x20: 1fffe0001b97df6b x19: ffff0000d7b90000 x18: 0000000000000001 [ 51.309601][ T4861] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 51.310802][ T4861] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 51.312166][ T4861] x11: 0000000000000000 x10: 0000000000000000 x9 : a61d48337d396500 [ 51.313545][ T4861] x8 : a61d48337d396500 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.314859][ T4861] x5 : ffff80001fea73d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 51.316228][ T4861] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.317626][ T4861] Call trace: [ 51.318124][ T4861] btrfs_quota_enable+0xfc4/0x166c [ 51.318882][ T4861] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.319797][ T4861] btrfs_ioctl+0x6f0/0xb38 [ 51.320499][ T4861] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.321263][ T4861] invoke_syscall+0x98/0x2b8 [ 51.321963][ T4861] el0_svc_common+0x138/0x258 [ 51.322678][ T4861] do_el0_svc+0x58/0x14c [ 51.323334][ T4861] el0_svc+0x78/0x1e0 [ 51.323928][ T4861] el0t_64_sync_handler+0xcc/0xe4 [ 51.324651][ T4861] el0t_64_sync+0x1a0/0x1a4 [ 51.325298][ T4861] irq event stamp: 80030 [ 51.325979][ T4861] hardirqs last enabled at (80029): [] __up_console_sem+0xb4/0x100 [ 51.327425][ T4861] hardirqs last disabled at (80030): [] el1_dbg+0x24/0x80 [ 51.328685][ T4861] softirqs last enabled at (80010): [] handle_softirqs+0xa4c/0xbf0 [ 51.330078][ T4861] softirqs last disabled at (79983): [] __irq_exit_rcu+0x240/0x440 [ 51.331423][ T4861] ---[ end trace fb1b1ac07ae42aa7 ]--- [ 51.332862][ T4861] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 51.334228][ T4861] BTRFS info (device loop0): forced readonly [ 51.520311][ T4882] loop0: detected capacity change from 0 to 32768 [ 51.523218][ T4882] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4882) [ 51.527287][ T4882] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.530116][ T4882] BTRFS info (device loop0): using free space tree [ 51.531087][ T4882] BTRFS info (device loop0): has skinny extents [ 51.540796][ T4882] BTRFS info (device loop0): enabling ssd optimizations [ 51.544792][ T4882] FAULT_INJECTION: forcing a failure. [ 51.544792][ T4882] name failslab, interval 1, probability 0, space 0, times 0 [ 51.547329][ T4882] CPU: 0 PID: 4882 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.548662][ T4882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.550278][ T4882] Call trace: [ 51.550779][ T4882] dump_backtrace+0x0/0x43c [ 51.551479][ T4882] show_stack+0x2c/0x3c [ 51.552067][ T4882] __dump_stack+0x30/0x40 [ 51.552667][ T4882] dump_stack_lvl+0xf8/0x160 [ 51.553292][ T4882] dump_stack+0x1c/0x5c [ 51.553876][ T4882] should_fail+0x3c0/0x51c [ 51.554495][ T4882] __should_failslab+0xbc/0x10c [ 51.555223][ T4882] should_failslab+0x10/0x28 [ 51.555987][ T4882] slab_pre_alloc_hook+0x64/0xec [ 51.556763][ T4882] kmem_cache_alloc_trace+0x98/0x3fc [ 51.557668][ T4882] btrfs_alloc_root+0x8c/0x97c [ 51.558443][ T4882] btrfs_create_tree+0x104/0x984 [ 51.559188][ T4882] btrfs_quota_enable+0x348/0x166c [ 51.559926][ T4882] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.560685][ T4882] btrfs_ioctl+0x6f0/0xb38 [ 51.561407][ T4882] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.562165][ T4882] invoke_syscall+0x98/0x2b8 [ 51.562869][ T4882] el0_svc_common+0x138/0x258 [ 51.563543][ T4882] do_el0_svc+0x58/0x14c [ 51.564158][ T4882] el0_svc+0x78/0x1e0 [ 51.564790][ T4882] el0t_64_sync_handler+0xcc/0xe4 [ 51.565620][ T4882] el0t_64_sync+0x1a0/0x1a4 [ 51.567352][ T4882] ------------[ cut here ]------------ [ 51.568251][ T4882] WARNING: CPU: 0 PID: 4882 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 51.569507][ T4882] Modules linked in: [ 51.570010][ T4882] CPU: 0 PID: 4882 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.571273][ T4882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.572642][ T4882] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.573826][ T4882] pc : btrfs_quota_enable+0xfc4/0x166c [ 51.574626][ T4882] lr : btrfs_quota_enable+0xfc4/0x166c [ 51.575477][ T4882] sp : ffff8000205a7ae0 [ 51.576055][ T4882] x29: ffff8000205a7c40 x28: 0000000000001798 x27: ffff7000040b4f6c [ 51.577362][ T4882] x26: ffff0000de216840 x25: 1fffe0001a048009 x24: fffffffffffffff4 [ 51.578643][ T4882] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de216898 [ 51.579896][ T4882] x20: 1fffe0001bc42d13 x19: ffff0000d0240000 x18: 0000000000000001 [ 51.581070][ T4882] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 51.582169][ T4882] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 51.583352][ T4882] x11: 0000000000000000 x10: 0000000000000000 x9 : 3a0090f4608a0800 [ 51.584509][ T4882] x8 : 3a0090f4608a0800 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.585667][ T4882] x5 : ffff8000205a73d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 51.586835][ T4882] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.588029][ T4882] Call trace: [ 51.588511][ T4882] btrfs_quota_enable+0xfc4/0x166c [ 51.589248][ T4882] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.590057][ T4882] btrfs_ioctl+0x6f0/0xb38 [ 51.590714][ T4882] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.591370][ T4882] invoke_syscall+0x98/0x2b8 [ 51.592011][ T4882] el0_svc_common+0x138/0x258 [ 51.592632][ T4882] do_el0_svc+0x58/0x14c [ 51.593293][ T4882] el0_svc+0x78/0x1e0 [ 51.593942][ T4882] el0t_64_sync_handler+0xcc/0xe4 [ 51.594734][ T4882] el0t_64_sync+0x1a0/0x1a4 [ 51.595486][ T4882] irq event stamp: 80146 [ 51.596085][ T4882] hardirqs last enabled at (80145): [] __up_console_sem+0xb4/0x100 [ 51.597519][ T4882] hardirqs last disabled at (80146): [] el1_dbg+0x24/0x80 [ 51.598868][ T4882] softirqs last enabled at (80126): [] handle_softirqs+0xa4c/0xbf0 [ 51.600382][ T4882] softirqs last disabled at (80001): [] __irq_exit_rcu+0x240/0x440 [ 51.601743][ T4882] ---[ end trace fb1b1ac07ae42aa8 ]--- [ 51.603429][ T4882] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 51.604940][ T4882] BTRFS info (device loop0): forced readonly 1970/01/01 00:00:51 executed programs: 13 [ 51.784545][ T4903] loop0: detected capacity change from 0 to 32768 [ 51.787306][ T4903] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4903) [ 51.797963][ T4903] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.799703][ T4903] BTRFS info (device loop0): using free space tree [ 51.800695][ T4903] BTRFS info (device loop0): has skinny extents [ 51.809827][ T4903] BTRFS info (device loop0): enabling ssd optimizations [ 51.813874][ T4903] FAULT_INJECTION: forcing a failure. [ 51.813874][ T4903] name failslab, interval 1, probability 0, space 0, times 0 [ 51.815914][ T4903] CPU: 0 PID: 4903 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.817151][ T4903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.818453][ T4903] Call trace: [ 51.818930][ T4903] dump_backtrace+0x0/0x43c [ 51.819603][ T4903] show_stack+0x2c/0x3c [ 51.820216][ T4903] __dump_stack+0x30/0x40 [ 51.820870][ T4903] dump_stack_lvl+0xf8/0x160 [ 51.821645][ T4903] dump_stack+0x1c/0x5c [ 51.822216][ T4903] should_fail+0x3c0/0x51c [ 51.822972][ T4903] __should_failslab+0xbc/0x10c [ 51.823749][ T4903] should_failslab+0x10/0x28 [ 51.824416][ T4903] slab_pre_alloc_hook+0x64/0xec [ 51.825136][ T4903] kmem_cache_alloc_trace+0x98/0x3fc [ 51.825871][ T4903] btrfs_alloc_root+0x8c/0x97c [ 51.826557][ T4903] btrfs_create_tree+0x104/0x984 [ 51.827276][ T4903] btrfs_quota_enable+0x348/0x166c [ 51.828008][ T4903] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.828722][ T4903] btrfs_ioctl+0x6f0/0xb38 [ 51.829386][ T4903] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.830130][ T4903] invoke_syscall+0x98/0x2b8 [ 51.830782][ T4903] el0_svc_common+0x138/0x258 [ 51.831452][ T4903] do_el0_svc+0x58/0x14c [ 51.832074][ T4903] el0_svc+0x78/0x1e0 [ 51.832714][ T4903] el0t_64_sync_handler+0xcc/0xe4 [ 51.833435][ T4903] el0t_64_sync+0x1a0/0x1a4 [ 51.835595][ T4903] ------------[ cut here ]------------ [ 51.836831][ T4903] WARNING: CPU: 0 PID: 4903 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 51.838185][ T4903] Modules linked in: [ 51.838755][ T4903] CPU: 0 PID: 4903 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.840031][ T4903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.841512][ T4903] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.842632][ T4903] pc : btrfs_quota_enable+0xfc4/0x166c [ 51.843449][ T4903] lr : btrfs_quota_enable+0xfc4/0x166c [ 51.844242][ T4903] sp : ffff8000206a7ae0 [ 51.844907][ T4903] x29: ffff8000206a7c40 x28: 0000000000001798 x27: ffff7000040d4f6c [ 51.846190][ T4903] x26: ffff0000de2169a0 x25: 1fffe0001a048009 x24: fffffffffffffff4 [ 51.847525][ T4903] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de2169f8 [ 51.848731][ T4903] x20: 1fffe0001bc42d3f x19: ffff0000d0240000 x18: 0000000000000001 [ 51.849952][ T4903] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 51.851141][ T4903] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 51.852314][ T4903] x11: 0000000000000000 x10: 0000000000000000 x9 : 60cc0fe72d590c00 [ 51.853434][ T4903] x8 : 60cc0fe72d590c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.854521][ T4903] x5 : ffff8000206a73d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 51.855643][ T4903] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.856910][ T4903] Call trace: [ 51.857448][ T4903] btrfs_quota_enable+0xfc4/0x166c [ 51.858237][ T4903] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.859065][ T4903] btrfs_ioctl+0x6f0/0xb38 [ 51.859796][ T4903] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.860645][ T4903] invoke_syscall+0x98/0x2b8 [ 51.861383][ T4903] el0_svc_common+0x138/0x258 [ 51.862136][ T4903] do_el0_svc+0x58/0x14c [ 51.862825][ T4903] el0_svc+0x78/0x1e0 [ 51.863497][ T4903] el0t_64_sync_handler+0xcc/0xe4 [ 51.864244][ T4903] el0t_64_sync+0x1a0/0x1a4 [ 51.864888][ T4903] irq event stamp: 80380 [ 51.865481][ T4903] hardirqs last enabled at (80379): [] __up_console_sem+0xb4/0x100 [ 51.866858][ T4903] hardirqs last disabled at (80380): [] el1_dbg+0x24/0x80 [ 51.868107][ T4903] softirqs last enabled at (80368): [] handle_softirqs+0xa4c/0xbf0 [ 51.869476][ T4903] softirqs last disabled at (80267): [] __irq_exit_rcu+0x240/0x440 [ 51.870918][ T4903] ---[ end trace fb1b1ac07ae42aa9 ]--- [ 51.872695][ T4903] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 51.874162][ T4903] BTRFS info (device loop0): forced readonly [ 52.062985][ T4924] loop0: detected capacity change from 0 to 32768 [ 52.067590][ T4924] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4924) [ 52.075641][ T4924] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.078095][ T4924] BTRFS info (device loop0): using free space tree [ 52.079530][ T4924] BTRFS info (device loop0): has skinny extents [ 52.101663][ T4924] BTRFS info (device loop0): enabling ssd optimizations [ 52.105106][ T4924] FAULT_INJECTION: forcing a failure. [ 52.105106][ T4924] name failslab, interval 1, probability 0, space 0, times 0 [ 52.107298][ T4924] CPU: 0 PID: 4924 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.108615][ T4924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.110034][ T4924] Call trace: [ 52.110487][ T4924] dump_backtrace+0x0/0x43c [ 52.111147][ T4924] show_stack+0x2c/0x3c [ 52.111753][ T4924] __dump_stack+0x30/0x40 [ 52.112432][ T4924] dump_stack_lvl+0xf8/0x160 [ 52.113173][ T4924] dump_stack+0x1c/0x5c [ 52.113756][ T4924] should_fail+0x3c0/0x51c [ 52.114354][ T4924] __should_failslab+0xbc/0x10c [ 52.115079][ T4924] should_failslab+0x10/0x28 [ 52.115749][ T4924] slab_pre_alloc_hook+0x64/0xec [ 52.116464][ T4924] kmem_cache_alloc_trace+0x98/0x3fc [ 52.117183][ T4924] btrfs_alloc_root+0x8c/0x97c [ 52.117888][ T4924] btrfs_create_tree+0x104/0x984 [ 52.118607][ T4924] btrfs_quota_enable+0x348/0x166c [ 52.119422][ T4924] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.120280][ T4924] btrfs_ioctl+0x6f0/0xb38 [ 52.120955][ T4924] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.121712][ T4924] invoke_syscall+0x98/0x2b8 [ 52.122353][ T4924] el0_svc_common+0x138/0x258 [ 52.123068][ T4924] do_el0_svc+0x58/0x14c [ 52.123696][ T4924] el0_svc+0x78/0x1e0 [ 52.124306][ T4924] el0t_64_sync_handler+0xcc/0xe4 [ 52.125105][ T4924] el0t_64_sync+0x1a0/0x1a4 [ 52.126034][ T4924] ------------[ cut here ]------------ [ 52.127110][ T4924] WARNING: CPU: 0 PID: 4924 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 52.128572][ T4924] Modules linked in: [ 52.129171][ T4924] CPU: 0 PID: 4924 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.130656][ T4924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.132070][ T4924] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.133289][ T4924] pc : btrfs_quota_enable+0xfc4/0x166c [ 52.134002][ T4924] lr : btrfs_quota_enable+0xfc4/0x166c [ 52.134735][ T4924] sp : ffff8000207e7ae0 [ 52.135327][ T4924] x29: ffff8000207e7c40 x28: 0000000000001798 x27: ffff7000040fcf6c [ 52.136638][ T4924] x26: ffff0000de216b00 x25: 1fffe0001a4ce009 x24: fffffffffffffff4 [ 52.137894][ T4924] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de216b58 [ 52.139037][ T4924] x20: 1fffe0001bc42d6b x19: ffff0000d2670000 x18: 0000000000000001 [ 52.140159][ T4924] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 52.141229][ T4924] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.142296][ T4924] x11: 0000000000000000 x10: 0000000000000000 x9 : 5062d1eab79a9900 [ 52.143412][ T4924] x8 : 5062d1eab79a9900 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.144505][ T4924] x5 : ffff8000207e73d8 x4 : ffff80001425f420 x3 : ffff800008302278 [ 52.145668][ T4924] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.146876][ T4924] Call trace: [ 52.147366][ T4924] btrfs_quota_enable+0xfc4/0x166c [ 52.148087][ T4924] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.148823][ T4924] btrfs_ioctl+0x6f0/0xb38 [ 52.149511][ T4924] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.150232][ T4924] invoke_syscall+0x98/0x2b8 [ 52.150897][ T4924] el0_svc_common+0x138/0x258 [ 52.151619][ T4924] do_el0_svc+0x58/0x14c [ 52.152283][ T4924] el0_svc+0x78/0x1e0 [ 52.152888][ T4924] el0t_64_sync_handler+0xcc/0xe4 [ 52.153697][ T4924] el0t_64_sync+0x1a0/0x1a4 [ 52.154365][ T4924] irq event stamp: 80260 [ 52.155050][ T4924] hardirqs last enabled at (80259): [] __up_console_sem+0xb4/0x100 [ 52.156509][ T4924] hardirqs last disabled at (80260): [] el1_dbg+0x24/0x80 [ 52.157841][ T4924] softirqs last enabled at (80248): [] handle_softirqs+0xa4c/0xbf0 [ 52.159320][ T4924] softirqs last disabled at (80239): [] __irq_exit_rcu+0x240/0x440 [ 52.160733][ T4924] ---[ end trace fb1b1ac07ae42aaa ]--- [ 52.162108][ T4924] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 52.163530][ T4924] BTRFS info (device loop0): forced readonly [ 52.359627][ T4945] loop0: detected capacity change from 0 to 32768 [ 52.362121][ T4945] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4945) [ 52.366480][ T4945] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.368033][ T4945] BTRFS info (device loop0): using free space tree [ 52.369161][ T4945] BTRFS info (device loop0): has skinny extents [ 52.391735][ T4945] BTRFS info (device loop0): enabling ssd optimizations [ 52.395806][ T4945] FAULT_INJECTION: forcing a failure. [ 52.395806][ T4945] name failslab, interval 1, probability 0, space 0, times 0 [ 52.397850][ T4945] CPU: 0 PID: 4945 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.399258][ T4945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.400814][ T4945] Call trace: [ 52.401310][ T4945] dump_backtrace+0x0/0x43c [ 52.401990][ T4945] show_stack+0x2c/0x3c [ 52.402663][ T4945] __dump_stack+0x30/0x40 [ 52.403305][ T4945] dump_stack_lvl+0xf8/0x160 [ 52.403945][ T4945] dump_stack+0x1c/0x5c [ 52.404586][ T4945] should_fail+0x3c0/0x51c [ 52.405236][ T4945] __should_failslab+0xbc/0x10c [ 52.405950][ T4945] should_failslab+0x10/0x28 [ 52.406594][ T4945] slab_pre_alloc_hook+0x64/0xec [ 52.407352][ T4945] kmem_cache_alloc_trace+0x98/0x3fc [ 52.408134][ T4945] btrfs_alloc_root+0x8c/0x97c [ 52.408823][ T4945] btrfs_create_tree+0x104/0x984 [ 52.409516][ T4945] btrfs_quota_enable+0x348/0x166c [ 52.410329][ T4945] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.411138][ T4945] btrfs_ioctl+0x6f0/0xb38 [ 52.411781][ T4945] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.412452][ T4945] invoke_syscall+0x98/0x2b8 [ 52.413078][ T4945] el0_svc_common+0x138/0x258 [ 52.413808][ T4945] do_el0_svc+0x58/0x14c [ 52.414389][ T4945] el0_svc+0x78/0x1e0 [ 52.414917][ T4945] el0t_64_sync_handler+0xcc/0xe4 [ 52.415563][ T4945] el0t_64_sync+0x1a0/0x1a4 [ 52.417120][ T4945] ------------[ cut here ]------------ [ 52.418098][ T4945] WARNING: CPU: 0 PID: 4945 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 52.419467][ T4945] Modules linked in: [ 52.420031][ T4945] CPU: 0 PID: 4945 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.421426][ T4945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.423063][ T4945] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.424310][ T4945] pc : btrfs_quota_enable+0xfc4/0x166c [ 52.425141][ T4945] lr : btrfs_quota_enable+0xfc4/0x166c [ 52.425918][ T4945] sp : ffff8000207f7ae0 [ 52.426528][ T4945] x29: ffff8000207f7c40 x28: 0000000000001798 x27: ffff7000040fef6c [ 52.427684][ T4945] x26: ffff0000de216c60 x25: 1fffe0001b9bc009 x24: fffffffffffffff4 [ 52.428775][ T4945] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de216cb8 [ 52.429856][ T4945] x20: 1fffe0001bc42d97 x19: ffff0000dcde0000 x18: 0000000000000001 [ 52.430969][ T4945] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 52.432112][ T4945] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.433209][ T4945] x11: 0000000000000000 x10: 0000000000000000 x9 : 25479bf294230e00 [ 52.434362][ T4945] x8 : 25479bf294230e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.435405][ T4945] x5 : ffff8000207f73d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 52.436542][ T4945] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.437826][ T4945] Call trace: [ 52.438337][ T4945] btrfs_quota_enable+0xfc4/0x166c [ 52.439085][ T4945] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.439824][ T4945] btrfs_ioctl+0x6f0/0xb38 [ 52.440432][ T4945] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.441150][ T4945] invoke_syscall+0x98/0x2b8 [ 52.441814][ T4945] el0_svc_common+0x138/0x258 [ 52.442450][ T4945] do_el0_svc+0x58/0x14c [ 52.443186][ T4945] el0_svc+0x78/0x1e0 [ 52.443819][ T4945] el0t_64_sync_handler+0xcc/0xe4 [ 52.444573][ T4945] el0t_64_sync+0x1a0/0x1a4 [ 52.445178][ T4945] irq event stamp: 79484 [ 52.445760][ T4945] hardirqs last enabled at (79483): [] __up_console_sem+0xb4/0x100 [ 52.447051][ T4945] hardirqs last disabled at (79484): [] el1_dbg+0x24/0x80 [ 52.448431][ T4945] softirqs last enabled at (79464): [] handle_softirqs+0xa4c/0xbf0 [ 52.449792][ T4945] softirqs last disabled at (79361): [] __irq_exit_rcu+0x240/0x440 [ 52.451206][ T4945] ---[ end trace fb1b1ac07ae42aab ]--- [ 52.453375][ T4945] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 52.454707][ T4945] BTRFS info (device loop0): forced readonly [ 52.649847][ T4966] loop0: detected capacity change from 0 to 32768 [ 52.652281][ T4966] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4966) [ 52.656626][ T4966] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.658219][ T4966] BTRFS info (device loop0): using free space tree [ 52.659106][ T4966] BTRFS info (device loop0): has skinny extents [ 52.667747][ T4966] BTRFS info (device loop0): enabling ssd optimizations [ 52.676533][ T4966] FAULT_INJECTION: forcing a failure. [ 52.676533][ T4966] name failslab, interval 1, probability 0, space 0, times 0 [ 52.678534][ T4966] CPU: 0 PID: 4966 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.679881][ T4966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.681332][ T4966] Call trace: [ 52.681764][ T4966] dump_backtrace+0x0/0x43c [ 52.682368][ T4966] show_stack+0x2c/0x3c [ 52.682983][ T4966] __dump_stack+0x30/0x40 [ 52.683610][ T4966] dump_stack_lvl+0xf8/0x160 [ 52.684341][ T4966] dump_stack+0x1c/0x5c [ 52.684940][ T4966] should_fail+0x3c0/0x51c [ 52.685564][ T4966] __should_failslab+0xbc/0x10c [ 52.686347][ T4966] should_failslab+0x10/0x28 [ 52.687074][ T4966] slab_pre_alloc_hook+0x64/0xec [ 52.687866][ T4966] kmem_cache_alloc_trace+0x98/0x3fc [ 52.688779][ T4966] btrfs_alloc_root+0x8c/0x97c [ 52.689539][ T4966] btrfs_create_tree+0x104/0x984 [ 52.690262][ T4966] btrfs_quota_enable+0x348/0x166c [ 52.691026][ T4966] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.691777][ T4966] btrfs_ioctl+0x6f0/0xb38 [ 52.692466][ T4966] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.693181][ T4966] invoke_syscall+0x98/0x2b8 [ 52.693837][ T4966] el0_svc_common+0x138/0x258 [ 52.694551][ T4966] do_el0_svc+0x58/0x14c [ 52.695181][ T4966] el0_svc+0x78/0x1e0 [ 52.695788][ T4966] el0t_64_sync_handler+0xcc/0xe4 [ 52.696539][ T4966] el0t_64_sync+0x1a0/0x1a4 [ 52.706142][ T4966] ------------[ cut here ]------------ [ 52.707287][ T4966] WARNING: CPU: 1 PID: 4966 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 52.708861][ T4966] Modules linked in: [ 52.709463][ T4966] CPU: 1 PID: 4966 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.710840][ T4966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.712358][ T4966] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.713498][ T4966] pc : btrfs_quota_enable+0xfc4/0x166c [ 52.714262][ T4966] lr : btrfs_quota_enable+0xfc4/0x166c [ 52.715031][ T4966] sp : ffff800020937ae0 [ 52.715593][ T4966] x29: ffff800020937c40 x28: 0000000000001798 x27: ffff700004126f6c [ 52.716733][ T4966] x26: ffff0000de216dc0 x25: 1fffe0001a29c809 x24: fffffffffffffff4 [ 52.717882][ T4966] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de216e18 [ 52.718997][ T4966] x20: 1fffe0001bc42dc3 x19: ffff0000d14e4000 x18: 0000000000000001 [ 52.720122][ T4966] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 52.721291][ T4966] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.722401][ T4966] x11: 0000000000000000 x10: 0000000000000000 x9 : 535f47eefe584c00 [ 52.723558][ T4966] x8 : 535f47eefe584c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.724572][ T4966] x5 : ffff8000209373d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 52.725647][ T4966] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.726764][ T4966] Call trace: [ 52.727235][ T4966] btrfs_quota_enable+0xfc4/0x166c [ 52.727966][ T4966] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.728775][ T4966] btrfs_ioctl+0x6f0/0xb38 [ 52.729473][ T4966] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.730280][ T4966] invoke_syscall+0x98/0x2b8 [ 52.730984][ T4966] el0_svc_common+0x138/0x258 [ 52.731616][ T4966] do_el0_svc+0x58/0x14c [ 52.732223][ T4966] el0_svc+0x78/0x1e0 [ 52.732821][ T4966] el0t_64_sync_handler+0xcc/0xe4 [ 52.733506][ T4966] el0t_64_sync+0x1a0/0x1a4 [ 52.734171][ T4966] irq event stamp: 80614 [ 52.734801][ T4966] hardirqs last enabled at (80613): [] __up_console_sem+0xb4/0x100 [ 52.736142][ T4966] hardirqs last disabled at (80614): [] el1_dbg+0x24/0x80 [ 52.737348][ T4966] softirqs last enabled at (80590): [] handle_softirqs+0xa4c/0xbf0 [ 52.738674][ T4966] softirqs last disabled at (80475): [] __irq_exit_rcu+0x240/0x440 [ 52.739949][ T4966] ---[ end trace fb1b1ac07ae42aac ]--- [ 52.743572][ T4966] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 52.744941][ T4966] BTRFS info (device loop0): forced readonly [ 52.746322][ T4542] Bluetooth: hci0: command 0x040f tx timeout [ 52.925130][ T4987] loop0: detected capacity change from 0 to 32768 [ 52.927633][ T4987] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4987) [ 52.931830][ T4987] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.933316][ T4987] BTRFS info (device loop0): using free space tree [ 52.934342][ T4987] BTRFS info (device loop0): has skinny extents [ 52.952650][ T4987] BTRFS info (device loop0): enabling ssd optimizations [ 52.957595][ T4987] FAULT_INJECTION: forcing a failure. [ 52.957595][ T4987] name failslab, interval 1, probability 0, space 0, times 0 [ 52.959653][ T4987] CPU: 0 PID: 4987 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.961182][ T4987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.962719][ T4987] Call trace: [ 52.963182][ T4987] dump_backtrace+0x0/0x43c [ 52.963839][ T4987] show_stack+0x2c/0x3c [ 52.964504][ T4987] __dump_stack+0x30/0x40 [ 52.965174][ T4987] dump_stack_lvl+0xf8/0x160 [ 52.965820][ T4987] dump_stack+0x1c/0x5c [ 52.966412][ T4987] should_fail+0x3c0/0x51c [ 52.967020][ T4987] __should_failslab+0xbc/0x10c [ 52.967772][ T4987] should_failslab+0x10/0x28 [ 52.968500][ T4987] slab_pre_alloc_hook+0x64/0xec [ 52.969201][ T4987] kmem_cache_alloc_trace+0x98/0x3fc [ 52.970009][ T4987] btrfs_alloc_root+0x8c/0x97c [ 52.970750][ T4987] btrfs_create_tree+0x104/0x984 [ 52.971549][ T4987] btrfs_quota_enable+0x348/0x166c [ 52.972375][ T4987] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.973275][ T4987] btrfs_ioctl+0x6f0/0xb38 [ 52.973984][ T4987] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.974760][ T4987] invoke_syscall+0x98/0x2b8 [ 52.975462][ T4987] el0_svc_common+0x138/0x258 [ 52.976196][ T4987] do_el0_svc+0x58/0x14c [ 52.976854][ T4987] el0_svc+0x78/0x1e0 [ 52.977464][ T4987] el0t_64_sync_handler+0xcc/0xe4 [ 52.978277][ T4987] el0t_64_sync+0x1a0/0x1a4 [ 52.982157][ T4987] ------------[ cut here ]------------ [ 52.983133][ T4987] WARNING: CPU: 0 PID: 4987 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 52.984523][ T4987] Modules linked in: [ 52.985048][ T4987] CPU: 0 PID: 4987 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.986272][ T4987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.987723][ T4987] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.988792][ T4987] pc : btrfs_quota_enable+0xfc4/0x166c [ 52.989675][ T4987] lr : btrfs_quota_enable+0xfc4/0x166c [ 52.990499][ T4987] sp : ffff800020f27ae0 [ 52.991113][ T4987] x29: ffff800020f27c40 x28: 0000000000001798 x27: ffff7000041e4f6c [ 52.992372][ T4987] x26: ffff0000de216e70 x25: 1fffe0001a647809 x24: fffffffffffffff4 [ 52.993624][ T4987] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de216ec8 [ 52.994841][ T4987] x20: 1fffe0001bc42dd9 x19: ffff0000d323c000 x18: 0000000000000001 [ 52.995992][ T4987] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 52.997135][ T4987] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.998251][ T4987] x11: 0000000000000000 x10: 0000000000000000 x9 : e69712af40c18300 [ 52.999564][ T4987] x8 : e69712af40c18300 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.000919][ T4987] x5 : ffff800020f273d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 53.002197][ T4987] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.003393][ T4987] Call trace: [ 53.003874][ T4987] btrfs_quota_enable+0xfc4/0x166c [ 53.004641][ T4987] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.005398][ T4987] btrfs_ioctl+0x6f0/0xb38 [ 53.006118][ T4987] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.006905][ T4987] invoke_syscall+0x98/0x2b8 [ 53.007650][ T4987] el0_svc_common+0x138/0x258 [ 53.008438][ T4987] do_el0_svc+0x58/0x14c [ 53.009066][ T4987] el0_svc+0x78/0x1e0 [ 53.009699][ T4987] el0t_64_sync_handler+0xcc/0xe4 [ 53.010492][ T4987] el0t_64_sync+0x1a0/0x1a4 [ 53.011204][ T4987] irq event stamp: 79864 [ 53.011837][ T4987] hardirqs last enabled at (79863): [] __up_console_sem+0xb4/0x100 [ 53.013217][ T4987] hardirqs last disabled at (79864): [] el1_dbg+0x24/0x80 [ 53.014471][ T4987] softirqs last enabled at (79844): [] handle_softirqs+0xa4c/0xbf0 [ 53.015934][ T4987] softirqs last disabled at (79735): [] __irq_exit_rcu+0x240/0x440 [ 53.017364][ T4987] ---[ end trace fb1b1ac07ae42aad ]--- [ 53.019889][ T4987] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 53.021239][ T4987] BTRFS info (device loop0): forced readonly [ 53.200927][ T5008] loop0: detected capacity change from 0 to 32768 [ 53.203577][ T5008] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5008) [ 53.212260][ T5008] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.213708][ T5008] BTRFS info (device loop0): using free space tree [ 53.214704][ T5008] BTRFS info (device loop0): has skinny extents [ 53.234969][ T5008] BTRFS info (device loop0): enabling ssd optimizations [ 53.239275][ T5008] FAULT_INJECTION: forcing a failure. [ 53.239275][ T5008] name failslab, interval 1, probability 0, space 0, times 0 [ 53.241224][ T5008] CPU: 0 PID: 5008 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.242522][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.243987][ T5008] Call trace: [ 53.244479][ T5008] dump_backtrace+0x0/0x43c [ 53.245092][ T5008] show_stack+0x2c/0x3c [ 53.245664][ T5008] __dump_stack+0x30/0x40 [ 53.246298][ T5008] dump_stack_lvl+0xf8/0x160 [ 53.247011][ T5008] dump_stack+0x1c/0x5c [ 53.247595][ T5008] should_fail+0x3c0/0x51c [ 53.248326][ T5008] __should_failslab+0xbc/0x10c [ 53.248974][ T5008] should_failslab+0x10/0x28 [ 53.249631][ T5008] slab_pre_alloc_hook+0x64/0xec [ 53.250339][ T5008] kmem_cache_alloc_trace+0x98/0x3fc [ 53.251071][ T5008] btrfs_alloc_root+0x8c/0x97c [ 53.251800][ T5008] btrfs_create_tree+0x104/0x984 [ 53.252507][ T5008] btrfs_quota_enable+0x348/0x166c [ 53.253228][ T5008] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.253958][ T5008] btrfs_ioctl+0x6f0/0xb38 [ 53.254552][ T5008] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.255362][ T5008] invoke_syscall+0x98/0x2b8 [ 53.256071][ T5008] el0_svc_common+0x138/0x258 [ 53.256809][ T5008] do_el0_svc+0x58/0x14c [ 53.257513][ T5008] el0_svc+0x78/0x1e0 [ 53.258104][ T5008] el0t_64_sync_handler+0xcc/0xe4 [ 53.258902][ T5008] el0t_64_sync+0x1a0/0x1a4 [ 53.262037][ T5008] ------------[ cut here ]------------ [ 53.262957][ T5008] WARNING: CPU: 0 PID: 5008 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 53.264322][ T5008] Modules linked in: [ 53.264940][ T5008] CPU: 0 PID: 5008 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.266272][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.267691][ T5008] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.268819][ T5008] pc : btrfs_quota_enable+0xfc4/0x166c [ 53.269783][ T5008] lr : btrfs_quota_enable+0xfc4/0x166c [ 53.270633][ T5008] sp : ffff800020937ae0 [ 53.271261][ T5008] x29: ffff800020937c40 x28: 0000000000001798 x27: ffff700004126f6c [ 53.272494][ T5008] x26: ffff0000de2160b0 x25: 1fffe00019855809 x24: fffffffffffffff4 [ 53.273747][ T5008] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de216108 [ 53.274943][ T5008] x20: 1fffe0001bc42c21 x19: ffff0000cc2ac000 x18: 0000000000000001 [ 53.276074][ T5008] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 53.277168][ T5008] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 53.278280][ T5008] x11: 0000000000000000 x10: 0000000000000000 x9 : e2ae48328b164300 [ 53.279457][ T5008] x8 : e2ae48328b164300 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.280708][ T5008] x5 : ffff8000209373d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 53.281896][ T5008] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.282985][ T5008] Call trace: [ 53.283447][ T5008] btrfs_quota_enable+0xfc4/0x166c [ 53.284241][ T5008] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.284980][ T5008] btrfs_ioctl+0x6f0/0xb38 [ 53.285634][ T5008] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.286401][ T5008] invoke_syscall+0x98/0x2b8 [ 53.287055][ T5008] el0_svc_common+0x138/0x258 [ 53.287719][ T5008] do_el0_svc+0x58/0x14c [ 53.288420][ T5008] el0_svc+0x78/0x1e0 [ 53.289110][ T5008] el0t_64_sync_handler+0xcc/0xe4 [ 53.289914][ T5008] el0t_64_sync+0x1a0/0x1a4 [ 53.290603][ T5008] irq event stamp: 80292 [ 53.291237][ T5008] hardirqs last enabled at (80291): [] __up_console_sem+0xb4/0x100 [ 53.292579][ T5008] hardirqs last disabled at (80292): [] el1_dbg+0x24/0x80 [ 53.293765][ T5008] softirqs last enabled at (80272): [] handle_softirqs+0xa4c/0xbf0 [ 53.295118][ T5008] softirqs last disabled at (80225): [] __irq_exit_rcu+0x240/0x440 [ 53.296514][ T5008] ---[ end trace fb1b1ac07ae42aae ]--- [ 53.298038][ T5008] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 53.299320][ T5008] BTRFS info (device loop0): forced readonly [ 53.503416][ T5029] loop0: detected capacity change from 0 to 32768 [ 53.505836][ T5029] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5029) [ 53.515201][ T5029] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.517048][ T5029] BTRFS info (device loop0): using free space tree [ 53.518174][ T5029] BTRFS info (device loop0): has skinny extents [ 53.527280][ T5029] BTRFS info (device loop0): enabling ssd optimizations [ 53.531477][ T5029] FAULT_INJECTION: forcing a failure. [ 53.531477][ T5029] name failslab, interval 1, probability 0, space 0, times 0 [ 53.533499][ T5029] CPU: 0 PID: 5029 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.534764][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.536297][ T5029] Call trace: [ 53.536814][ T5029] dump_backtrace+0x0/0x43c [ 53.537523][ T5029] show_stack+0x2c/0x3c [ 53.538082][ T5029] __dump_stack+0x30/0x40 [ 53.538775][ T5029] dump_stack_lvl+0xf8/0x160 [ 53.539525][ T5029] dump_stack+0x1c/0x5c [ 53.540225][ T5029] should_fail+0x3c0/0x51c [ 53.540933][ T5029] __should_failslab+0xbc/0x10c [ 53.541645][ T5029] should_failslab+0x10/0x28 [ 53.542300][ T5029] slab_pre_alloc_hook+0x64/0xec [ 53.543006][ T5029] kmem_cache_alloc_trace+0x98/0x3fc [ 53.543857][ T5029] btrfs_alloc_root+0x8c/0x97c [ 53.544621][ T5029] btrfs_create_tree+0x104/0x984 [ 53.545336][ T5029] btrfs_quota_enable+0x348/0x166c [ 53.546055][ T5029] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.546830][ T5029] btrfs_ioctl+0x6f0/0xb38 [ 53.547491][ T5029] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.548191][ T5029] invoke_syscall+0x98/0x2b8 [ 53.548778][ T5029] el0_svc_common+0x138/0x258 [ 53.549391][ T5029] do_el0_svc+0x58/0x14c [ 53.550015][ T5029] el0_svc+0x78/0x1e0 [ 53.550645][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 53.551403][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 53.553427][ T5029] ------------[ cut here ]------------ [ 53.554377][ T5029] WARNING: CPU: 0 PID: 5029 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 53.555695][ T5029] Modules linked in: [ 53.556250][ T5029] CPU: 0 PID: 5029 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.557812][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.559490][ T5029] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.560672][ T5029] pc : btrfs_quota_enable+0xfc4/0x166c [ 53.561425][ T5029] lr : btrfs_quota_enable+0xfc4/0x166c [ 53.562191][ T5029] sp : ffff800021157ae0 [ 53.562751][ T5029] x29: ffff800021157c40 x28: 0000000000001798 x27: ffff70000422af6c [ 53.563908][ T5029] x26: ffff0000c52dd0b0 x25: 1fffe0001a002809 x24: fffffffffffffff4 [ 53.565241][ T5029] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000c52dd108 [ 53.566624][ T5029] x20: 1fffe00018a5ba21 x19: ffff0000d0014000 x18: 0000000000000001 [ 53.567898][ T5029] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 53.569186][ T5029] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 53.570401][ T5029] x11: 0000000000000000 x10: 0000000000000000 x9 : 55690b21c017da00 [ 53.571667][ T5029] x8 : 55690b21c017da00 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.572932][ T5029] x5 : ffff8000211573d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 53.574246][ T5029] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.575573][ T5029] Call trace: [ 53.576079][ T5029] btrfs_quota_enable+0xfc4/0x166c [ 53.576888][ T5029] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.577712][ T5029] btrfs_ioctl+0x6f0/0xb38 [ 53.578401][ T5029] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.579190][ T5029] invoke_syscall+0x98/0x2b8 [ 53.579901][ T5029] el0_svc_common+0x138/0x258 [ 53.580602][ T5029] do_el0_svc+0x58/0x14c [ 53.581232][ T5029] el0_svc+0x78/0x1e0 [ 53.581822][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 53.582571][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 53.583200][ T5029] irq event stamp: 80058 [ 53.583806][ T5029] hardirqs last enabled at (80057): [] __up_console_sem+0xb4/0x100 [ 53.585201][ T5029] hardirqs last disabled at (80058): [] el1_dbg+0x24/0x80 [ 53.586537][ T5029] softirqs last enabled at (80038): [] handle_softirqs+0xa4c/0xbf0 [ 53.588068][ T5029] softirqs last disabled at (80019): [] __irq_exit_rcu+0x240/0x440 [ 53.589517][ T5029] ---[ end trace fb1b1ac07ae42aaf ]--- [ 53.591355][ T5029] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 53.592800][ T5029] BTRFS info (device loop0): forced readonly [ 53.791037][ T5050] loop0: detected capacity change from 0 to 32768 [ 53.793633][ T5050] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5050) [ 53.800159][ T5050] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.801818][ T5050] BTRFS info (device loop0): using free space tree [ 53.802826][ T5050] BTRFS info (device loop0): has skinny extents [ 53.821346][ T5050] BTRFS info (device loop0): enabling ssd optimizations [ 53.825167][ T5050] FAULT_INJECTION: forcing a failure. [ 53.825167][ T5050] name failslab, interval 1, probability 0, space 0, times 0 [ 53.827821][ T5050] CPU: 1 PID: 5050 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.829226][ T5050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.830877][ T5050] Call trace: [ 53.831378][ T5050] dump_backtrace+0x0/0x43c [ 53.832132][ T5050] show_stack+0x2c/0x3c [ 53.832757][ T5050] __dump_stack+0x30/0x40 [ 53.833398][ T5050] dump_stack_lvl+0xf8/0x160 [ 53.834053][ T5050] dump_stack+0x1c/0x5c [ 53.834732][ T5050] should_fail+0x3c0/0x51c [ 53.835472][ T5050] __should_failslab+0xbc/0x10c [ 53.836307][ T5050] should_failslab+0x10/0x28 [ 53.837062][ T5050] slab_pre_alloc_hook+0x64/0xec [ 53.837810][ T5050] kmem_cache_alloc+0x94/0x3e4 [ 53.838607][ T5050] start_transaction+0x4d0/0x13f0 [ 53.839356][ T5050] btrfs_start_transaction+0x34/0x44 [ 53.840150][ T5050] btrfs_quota_enable+0x1b8/0x166c [ 53.840861][ T5050] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.841652][ T5050] btrfs_ioctl+0x6f0/0xb38 [ 53.842255][ T5050] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.843022][ T5050] invoke_syscall+0x98/0x2b8 [ 53.843636][ T5050] el0_svc_common+0x138/0x258 [ 53.844332][ T5050] do_el0_svc+0x58/0x14c [ 53.844936][ T5050] el0_svc+0x78/0x1e0 [ 53.845506][ T5050] el0t_64_sync_handler+0xcc/0xe4 [ 53.846220][ T5050] el0t_64_sync+0x1a0/0x1a4 [ 54.030947][ T5071] loop0: detected capacity change from 0 to 32768 [ 54.033398][ T5071] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5071) [ 54.037957][ T5071] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.039503][ T5071] BTRFS info (device loop0): using free space tree [ 54.040494][ T5071] BTRFS info (device loop0): has skinny extents [ 54.048768][ T5071] BTRFS info (device loop0): enabling ssd optimizations [ 54.053453][ T5071] FAULT_INJECTION: forcing a failure. [ 54.053453][ T5071] name failslab, interval 1, probability 0, space 0, times 0 [ 54.055569][ T5071] CPU: 0 PID: 5071 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.056824][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.058271][ T5071] Call trace: [ 54.058712][ T5071] dump_backtrace+0x0/0x43c [ 54.059384][ T5071] show_stack+0x2c/0x3c [ 54.059964][ T5071] __dump_stack+0x30/0x40 [ 54.060614][ T5071] dump_stack_lvl+0xf8/0x160 [ 54.061263][ T5071] dump_stack+0x1c/0x5c [ 54.061971][ T5071] should_fail+0x3c0/0x51c [ 54.062633][ T5071] __should_failslab+0xbc/0x10c [ 54.063328][ T5071] should_failslab+0x10/0x28 [ 54.064051][ T5071] slab_pre_alloc_hook+0x64/0xec [ 54.064769][ T5071] kmem_cache_alloc_trace+0x98/0x3fc [ 54.065647][ T5071] btrfs_alloc_root+0x8c/0x97c [ 54.066314][ T5071] btrfs_create_tree+0x104/0x984 [ 54.067076][ T5071] btrfs_quota_enable+0x348/0x166c [ 54.067798][ T5071] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.068553][ T5071] btrfs_ioctl+0x6f0/0xb38 [ 54.069211][ T5071] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.069935][ T5071] invoke_syscall+0x98/0x2b8 [ 54.070625][ T5071] el0_svc_common+0x138/0x258 [ 54.071359][ T5071] do_el0_svc+0x58/0x14c [ 54.071960][ T5071] el0_svc+0x78/0x1e0 [ 54.072496][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 54.073203][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 54.074831][ T5071] ------------[ cut here ]------------ [ 54.075719][ T5071] WARNING: CPU: 0 PID: 5071 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 54.077087][ T5071] Modules linked in: [ 54.077673][ T5071] CPU: 0 PID: 5071 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.078988][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.080418][ T5071] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.081522][ T5071] pc : btrfs_quota_enable+0xfc4/0x166c [ 54.082271][ T5071] lr : btrfs_quota_enable+0xfc4/0x166c [ 54.083102][ T5071] sp : ffff8000212f7ae0 [ 54.083735][ T5071] x29: ffff8000212f7c40 x28: 0000000000001798 x27: ffff70000425ef6c [ 54.084857][ T5071] x26: ffff0000c52dd210 x25: 1fffe0001b649009 x24: fffffffffffffff4 [ 54.086101][ T5071] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000c52dd268 [ 54.087214][ T5071] x20: 1fffe00018a5ba4d x19: ffff0000db248000 x18: 0000000000000001 [ 54.088360][ T5071] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 54.089454][ T5071] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.090618][ T5071] x11: 0000000000000000 x10: 0000000000000000 x9 : 32da4080c62fe900 [ 54.091803][ T5071] x8 : 32da4080c62fe900 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.092995][ T5071] x5 : ffff8000212f73d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 54.094192][ T5071] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.095374][ T5071] Call trace: [ 54.095828][ T5071] btrfs_quota_enable+0xfc4/0x166c [ 54.096571][ T5071] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.097370][ T5071] btrfs_ioctl+0x6f0/0xb38 [ 54.098017][ T5071] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.098720][ T5071] invoke_syscall+0x98/0x2b8 [ 54.099433][ T5071] el0_svc_common+0x138/0x258 [ 54.100105][ T5071] do_el0_svc+0x58/0x14c [ 54.100726][ T5071] el0_svc+0x78/0x1e0 [ 54.101307][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 54.102015][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 54.102638][ T5071] irq event stamp: 81066 [ 54.103258][ T5071] hardirqs last enabled at (81065): [] __up_console_sem+0xb4/0x100 [ 54.104600][ T5071] hardirqs last disabled at (81066): [] el1_dbg+0x24/0x80 [ 54.105745][ T5071] softirqs last enabled at (81046): [] handle_softirqs+0xa4c/0xbf0 [ 54.107133][ T5071] softirqs last disabled at (80951): [] __irq_exit_rcu+0x240/0x440 [ 54.108413][ T5071] ---[ end trace fb1b1ac07ae42ab0 ]--- [ 54.109407][ T5071] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 54.110742][ T5071] BTRFS info (device loop0): forced readonly [ 54.301146][ T5092] loop0: detected capacity change from 0 to 32768 [ 54.303703][ T5092] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5092) [ 54.309170][ T5092] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.310596][ T5092] BTRFS info (device loop0): using free space tree [ 54.311599][ T5092] BTRFS info (device loop0): has skinny extents [ 54.322168][ T5092] BTRFS info (device loop0): enabling ssd optimizations [ 54.325865][ T5092] FAULT_INJECTION: forcing a failure. [ 54.325865][ T5092] name failslab, interval 1, probability 0, space 0, times 0 [ 54.327978][ T5092] CPU: 0 PID: 5092 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.329268][ T5092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.330768][ T5092] Call trace: [ 54.331302][ T5092] dump_backtrace+0x0/0x43c [ 54.331955][ T5092] show_stack+0x2c/0x3c [ 54.332535][ T5092] __dump_stack+0x30/0x40 [ 54.333166][ T5092] dump_stack_lvl+0xf8/0x160 [ 54.333864][ T5092] dump_stack+0x1c/0x5c [ 54.334488][ T5092] should_fail+0x3c0/0x51c [ 54.335110][ T5092] __should_failslab+0xbc/0x10c [ 54.335844][ T5092] should_failslab+0x10/0x28 [ 54.336510][ T5092] slab_pre_alloc_hook+0x64/0xec [ 54.337244][ T5092] kmem_cache_alloc+0x94/0x3e4 [ 54.338005][ T5092] __kernfs_new_node+0xe4/0x5d8 [ 54.338732][ T5092] kernfs_new_node+0x11c/0x240 [ 54.339396][ T5092] kernfs_create_dir_ns+0x58/0x12c [ 54.340230][ T5092] sysfs_create_dir_ns+0x114/0x24c [ 54.341057][ T5092] kobject_add_internal+0x590/0xc54 [ 54.341861][ T5092] kobject_add+0x134/0x1f8 [ 54.342503][ T5092] kobject_create_and_add+0x140/0x214 [ 54.343349][ T5092] btrfs_sysfs_add_qgroups+0xe8/0x270 [ 54.344208][ T5092] btrfs_quota_enable+0x18c/0x166c [ 54.345041][ T5092] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.345850][ T5092] btrfs_ioctl+0x6f0/0xb38 [ 54.346573][ T5092] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.347308][ T5092] invoke_syscall+0x98/0x2b8 [ 54.348028][ T5092] el0_svc_common+0x138/0x258 [ 54.348724][ T5092] do_el0_svc+0x58/0x14c [ 54.349407][ T5092] el0_svc+0x78/0x1e0 [ 54.350010][ T5092] el0t_64_sync_handler+0xcc/0xe4 [ 54.350791][ T5092] el0t_64_sync+0x1a0/0x1a4 [ 54.351904][ T5092] kobject_add_internal failed for qgroups (error: -12 parent: a6a605fc-d5f1-4e66-8595-3726e2b761d6) [ 54.353536][ T5092] kobject_create_and_add: kobject_add error: -12 [ 54.541726][ T5113] loop0: detected capacity change from 0 to 32768 [ 54.544186][ T5113] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5113) [ 54.548254][ T5113] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.550064][ T5113] BTRFS info (device loop0): using free space tree [ 54.551345][ T5113] BTRFS info (device loop0): has skinny extents [ 54.562200][ T5113] BTRFS info (device loop0): enabling ssd optimizations [ 54.565949][ T5113] FAULT_INJECTION: forcing a failure. [ 54.565949][ T5113] name failslab, interval 1, probability 0, space 0, times 0 [ 54.567946][ T5113] CPU: 0 PID: 5113 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.569301][ T5113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.570648][ T5113] Call trace: [ 54.571109][ T5113] dump_backtrace+0x0/0x43c [ 54.571859][ T5113] show_stack+0x2c/0x3c [ 54.572514][ T5113] __dump_stack+0x30/0x40 [ 54.573241][ T5113] dump_stack_lvl+0xf8/0x160 [ 54.573940][ T5113] dump_stack+0x1c/0x5c [ 54.574595][ T5113] should_fail+0x3c0/0x51c [ 54.575320][ T5113] __should_failslab+0xbc/0x10c [ 54.576081][ T5113] should_failslab+0x10/0x28 [ 54.576827][ T5113] slab_pre_alloc_hook+0x64/0xec [ 54.577530][ T5113] kmem_cache_alloc+0x94/0x3e4 [ 54.578298][ T5113] start_transaction+0x4d0/0x13f0 [ 54.579055][ T5113] btrfs_start_transaction+0x34/0x44 [ 54.579865][ T5113] btrfs_quota_enable+0x1b8/0x166c [ 54.580656][ T5113] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.581452][ T5113] btrfs_ioctl+0x6f0/0xb38 [ 54.582128][ T5113] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.582854][ T5113] invoke_syscall+0x98/0x2b8 [ 54.583544][ T5113] el0_svc_common+0x138/0x258 [ 54.584248][ T5113] do_el0_svc+0x58/0x14c [ 54.584832][ T5113] el0_svc+0x78/0x1e0 [ 54.585365][ T5113] el0t_64_sync_handler+0xcc/0xe4 [ 54.586054][ T5113] el0t_64_sync+0x1a0/0x1a4 [ 54.772268][ T5134] loop0: detected capacity change from 0 to 32768 [ 54.776909][ T5134] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5134) [ 54.782677][ T5134] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.784192][ T5134] BTRFS info (device loop0): using free space tree [ 54.785081][ T5134] BTRFS info (device loop0): has skinny extents [ 54.808171][ T5134] BTRFS info (device loop0): enabling ssd optimizations [ 54.812221][ T5134] FAULT_INJECTION: forcing a failure. [ 54.812221][ T5134] name failslab, interval 1, probability 0, space 0, times 0 [ 54.814178][ T5134] CPU: 0 PID: 5134 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.815427][ T5134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.817152][ T5134] Call trace: [ 54.817676][ T5134] dump_backtrace+0x0/0x43c [ 54.818477][ T5134] show_stack+0x2c/0x3c [ 54.819085][ T5134] __dump_stack+0x30/0x40 [ 54.819700][ T5134] dump_stack_lvl+0xf8/0x160 [ 54.820348][ T5134] dump_stack+0x1c/0x5c [ 54.820913][ T5134] should_fail+0x3c0/0x51c [ 54.821531][ T5134] __should_failslab+0xbc/0x10c [ 54.822220][ T5134] should_failslab+0x10/0x28 [ 54.822885][ T5134] slab_pre_alloc_hook+0x64/0xec [ 54.823605][ T5134] kmem_cache_alloc_trace+0x98/0x3fc [ 54.824407][ T5134] btrfs_alloc_root+0x8c/0x97c [ 54.825091][ T5134] btrfs_create_tree+0x104/0x984 [ 54.825852][ T5134] btrfs_quota_enable+0x348/0x166c [ 54.826589][ T5134] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.827363][ T5134] btrfs_ioctl+0x6f0/0xb38 [ 54.828027][ T5134] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.828838][ T5134] invoke_syscall+0x98/0x2b8 [ 54.829553][ T5134] el0_svc_common+0x138/0x258 [ 54.830236][ T5134] do_el0_svc+0x58/0x14c [ 54.830855][ T5134] el0_svc+0x78/0x1e0 [ 54.831439][ T5134] el0t_64_sync_handler+0xcc/0xe4 [ 54.832195][ T5134] el0t_64_sync+0x1a0/0x1a4 [ 54.833116][ T4542] Bluetooth: hci0: command 0x0419 tx timeout [ 54.835286][ T5134] ------------[ cut here ]------------ [ 54.836345][ T5134] WARNING: CPU: 0 PID: 5134 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 54.837768][ T5134] Modules linked in: [ 54.838307][ T5134] CPU: 0 PID: 5134 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.839572][ T5134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.841015][ T5134] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.842116][ T5134] pc : btrfs_quota_enable+0xfc4/0x166c [ 54.842905][ T5134] lr : btrfs_quota_enable+0xfc4/0x166c [ 54.843686][ T5134] sp : ffff8000216c7ae0 [ 54.844279][ T5134] x29: ffff8000216c7c40 x28: 0000000000001798 x27: ffff7000042d8f6c [ 54.845439][ T5134] x26: ffff0000c52dd790 x25: 1fffe00019783809 x24: fffffffffffffff4 [ 54.846542][ T5134] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000c52dd7e8 [ 54.847690][ T5134] x20: 1fffe00018a5bafd x19: ffff0000cbc1c000 x18: 0000000000000001 [ 54.848843][ T5134] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 54.849957][ T5134] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.851092][ T5134] x11: 0000000000000000 x10: 0000000000000000 x9 : 50ab3e5f50ccf000 [ 54.852255][ T5134] x8 : 50ab3e5f50ccf000 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.853373][ T5134] x5 : ffff8000216c73d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 54.854475][ T5134] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.855638][ T5134] Call trace: [ 54.856100][ T5134] btrfs_quota_enable+0xfc4/0x166c [ 54.856882][ T5134] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.857771][ T5134] btrfs_ioctl+0x6f0/0xb38 [ 54.858433][ T5134] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.859136][ T5134] invoke_syscall+0x98/0x2b8 [ 54.859853][ T5134] el0_svc_common+0x138/0x258 [ 54.860526][ T5134] do_el0_svc+0x58/0x14c [ 54.861191][ T5134] el0_svc+0x78/0x1e0 [ 54.861797][ T5134] el0t_64_sync_handler+0xcc/0xe4 [ 54.862519][ T5134] el0t_64_sync+0x1a0/0x1a4 [ 54.863213][ T5134] irq event stamp: 79386 [ 54.863829][ T5134] hardirqs last enabled at (79385): [] __up_console_sem+0xb4/0x100 [ 54.865110][ T5134] hardirqs last disabled at (79386): [] el1_dbg+0x24/0x80 [ 54.866318][ T5134] softirqs last enabled at (79376): [] handle_softirqs+0xa4c/0xbf0 [ 54.867620][ T5134] softirqs last disabled at (79309): [] __irq_exit_rcu+0x240/0x440 [ 54.868900][ T5134] ---[ end trace fb1b1ac07ae42ab1 ]--- [ 54.870781][ T5134] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 54.872186][ T5134] BTRFS info (device loop0): forced readonly [ 55.070344][ T5155] loop0: detected capacity change from 0 to 32768 [ 55.072857][ T5155] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5155) [ 55.077350][ T5155] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.078875][ T5155] BTRFS info (device loop0): using free space tree [ 55.079822][ T5155] BTRFS info (device loop0): has skinny extents [ 55.091462][ T5155] BTRFS info (device loop0): enabling ssd optimizations [ 55.095201][ T5155] FAULT_INJECTION: forcing a failure. [ 55.095201][ T5155] name failslab, interval 1, probability 0, space 0, times 0 [ 55.097930][ T5155] CPU: 0 PID: 5155 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.099396][ T5155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.100969][ T5155] Call trace: [ 55.101418][ T5155] dump_backtrace+0x0/0x43c [ 55.102100][ T5155] show_stack+0x2c/0x3c [ 55.102657][ T5155] __dump_stack+0x30/0x40 [ 55.103270][ T5155] dump_stack_lvl+0xf8/0x160 [ 55.103979][ T5155] dump_stack+0x1c/0x5c [ 55.104626][ T5155] should_fail+0x3c0/0x51c [ 55.105277][ T5155] __should_failslab+0xbc/0x10c [ 55.106013][ T5155] should_failslab+0x10/0x28 [ 55.106687][ T5155] slab_pre_alloc_hook+0x64/0xec [ 55.107371][ T5155] kmem_cache_alloc_trace+0x98/0x3fc [ 55.108113][ T5155] btrfs_alloc_root+0x8c/0x97c [ 55.108767][ T5155] btrfs_create_tree+0x104/0x984 [ 55.109434][ T5155] btrfs_quota_enable+0x348/0x166c [ 55.110211][ T5155] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.111027][ T5155] btrfs_ioctl+0x6f0/0xb38 [ 55.111667][ T5155] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.112387][ T5155] invoke_syscall+0x98/0x2b8 [ 55.113030][ T5155] el0_svc_common+0x138/0x258 [ 55.113706][ T5155] do_el0_svc+0x58/0x14c [ 55.114360][ T5155] el0_svc+0x78/0x1e0 [ 55.115026][ T5155] el0t_64_sync_handler+0xcc/0xe4 [ 55.115858][ T5155] el0t_64_sync+0x1a0/0x1a4 [ 55.117918][ T5155] ------------[ cut here ]------------ [ 55.118812][ T5155] WARNING: CPU: 0 PID: 5155 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 55.120301][ T5155] Modules linked in: [ 55.120871][ T5155] CPU: 0 PID: 5155 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.122189][ T5155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.123679][ T5155] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.124754][ T5155] pc : btrfs_quota_enable+0xfc4/0x166c [ 55.125554][ T5155] lr : btrfs_quota_enable+0xfc4/0x166c [ 55.126319][ T5155] sp : ffff8000216c7ae0 [ 55.126943][ T5155] x29: ffff8000216c7c40 x28: 0000000000001798 x27: ffff7000042d8f6c [ 55.128292][ T5155] x26: ffff0000c52dd8f0 x25: 1fffe0001b89a809 x24: fffffffffffffff4 [ 55.129591][ T5155] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000c52dd948 [ 55.130894][ T5155] x20: 1fffe00018a5bb29 x19: ffff0000dc4d4000 x18: 0000000000000001 [ 55.132181][ T5155] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 55.133432][ T5155] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.134627][ T5155] x11: 0000000000000000 x10: 0000000000000000 x9 : 5b9f8ce97058ce00 [ 55.135826][ T5155] x8 : 5b9f8ce97058ce00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.136972][ T5155] x5 : ffff8000216c73d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 55.138203][ T5155] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.139476][ T5155] Call trace: [ 55.140004][ T5155] btrfs_quota_enable+0xfc4/0x166c [ 55.140857][ T5155] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.141754][ T5155] btrfs_ioctl+0x6f0/0xb38 [ 55.142508][ T5155] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.143301][ T5155] invoke_syscall+0x98/0x2b8 [ 55.144005][ T5155] el0_svc_common+0x138/0x258 [ 55.144772][ T5155] do_el0_svc+0x58/0x14c [ 55.145475][ T5155] el0_svc+0x78/0x1e0 [ 55.146123][ T5155] el0t_64_sync_handler+0xcc/0xe4 [ 55.146932][ T5155] el0t_64_sync+0x1a0/0x1a4 [ 55.147635][ T5155] irq event stamp: 80458 [ 55.148244][ T5155] hardirqs last enabled at (80457): [] __up_console_sem+0xb4/0x100 [ 55.149729][ T5155] hardirqs last disabled at (80458): [] el1_dbg+0x24/0x80 [ 55.150975][ T5155] softirqs last enabled at (80438): [] handle_softirqs+0xa4c/0xbf0 [ 55.152340][ T5155] softirqs last disabled at (80355): [] __irq_exit_rcu+0x240/0x440 [ 55.153653][ T5155] ---[ end trace fb1b1ac07ae42ab2 ]--- [ 55.154594][ T5155] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 55.155987][ T5155] BTRFS info (device loop0): forced readonly [ 55.331685][ T5176] loop0: detected capacity change from 0 to 32768 [ 55.334208][ T5176] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5176) [ 55.339457][ T5176] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.341863][ T5176] BTRFS info (device loop0): using free space tree [ 55.342818][ T5176] BTRFS info (device loop0): has skinny extents [ 55.365381][ T5176] BTRFS info (device loop0): enabling ssd optimizations [ 55.369427][ T5176] FAULT_INJECTION: forcing a failure. [ 55.369427][ T5176] name failslab, interval 1, probability 0, space 0, times 0 [ 55.371521][ T5176] CPU: 0 PID: 5176 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.372813][ T5176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.374227][ T5176] Call trace: [ 55.374693][ T5176] dump_backtrace+0x0/0x43c [ 55.375340][ T5176] show_stack+0x2c/0x3c [ 55.375927][ T5176] __dump_stack+0x30/0x40 [ 55.376562][ T5176] dump_stack_lvl+0xf8/0x160 [ 55.377244][ T5176] dump_stack+0x1c/0x5c [ 55.377834][ T5176] should_fail+0x3c0/0x51c [ 55.378440][ T5176] __should_failslab+0xbc/0x10c [ 55.379094][ T5176] should_failslab+0x10/0x28 [ 55.379776][ T5176] slab_pre_alloc_hook+0x64/0xec [ 55.380502][ T5176] kmem_cache_alloc_trace+0x98/0x3fc [ 55.381227][ T5176] btrfs_alloc_root+0x8c/0x97c [ 55.381895][ T5176] btrfs_create_tree+0x104/0x984 [ 55.382601][ T5176] btrfs_quota_enable+0x348/0x166c [ 55.383302][ T5176] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.384022][ T5176] btrfs_ioctl+0x6f0/0xb38 [ 55.384656][ T5176] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.385415][ T5176] invoke_syscall+0x98/0x2b8 [ 55.386117][ T5176] el0_svc_common+0x138/0x258 [ 55.386805][ T5176] do_el0_svc+0x58/0x14c [ 55.387412][ T5176] el0_svc+0x78/0x1e0 [ 55.388010][ T5176] el0t_64_sync_handler+0xcc/0xe4 [ 55.388862][ T5176] el0t_64_sync+0x1a0/0x1a4 [ 55.389845][ T5176] ------------[ cut here ]------------ [ 55.390820][ T5176] WARNING: CPU: 0 PID: 5176 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 55.392341][ T5176] Modules linked in: [ 55.392968][ T5176] CPU: 0 PID: 5176 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.394219][ T5176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.395706][ T5176] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.396818][ T5176] pc : btrfs_quota_enable+0xfc4/0x166c [ 55.397588][ T5176] lr : btrfs_quota_enable+0xfc4/0x166c [ 55.398401][ T5176] sp : ffff8000218f7ae0 [ 55.399008][ T5176] x29: ffff8000218f7c40 x28: 0000000000001798 x27: ffff70000431ef6c [ 55.400147][ T5176] x26: ffff0000c52dda50 x25: 1fffe0001a387009 x24: fffffffffffffff4 [ 55.401386][ T5176] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000c52ddaa8 [ 55.402755][ T5176] x20: 1fffe00018a5bb55 x19: ffff0000d1c38000 x18: 0000000000000001 [ 55.404070][ T5176] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 55.405353][ T5176] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.406706][ T5176] x11: 0000000000000000 x10: 0000000000000000 x9 : 729d1df64a2f3b00 [ 55.407903][ T5176] x8 : 729d1df64a2f3b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.409099][ T5176] x5 : ffff8000218f73d8 x4 : ffff80001425f420 x3 : ffff800008302278 [ 55.410245][ T5176] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.411480][ T5176] Call trace: [ 55.411946][ T5176] btrfs_quota_enable+0xfc4/0x166c [ 55.412676][ T5176] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.413411][ T5176] btrfs_ioctl+0x6f0/0xb38 [ 55.414058][ T5176] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.414833][ T5176] invoke_syscall+0x98/0x2b8 [ 55.415491][ T5176] el0_svc_common+0x138/0x258 [ 55.416163][ T5176] do_el0_svc+0x58/0x14c [ 55.416813][ T5176] el0_svc+0x78/0x1e0 [ 55.417392][ T5176] el0t_64_sync_handler+0xcc/0xe4 [ 55.418070][ T5176] el0t_64_sync+0x1a0/0x1a4 [ 55.418714][ T5176] irq event stamp: 80636 [ 55.419352][ T5176] hardirqs last enabled at (80635): [] __up_console_sem+0xb4/0x100 [ 55.420661][ T5176] hardirqs last disabled at (80636): [] el1_dbg+0x24/0x80 [ 55.421902][ T5176] softirqs last enabled at (80616): [] handle_softirqs+0xa4c/0xbf0 [ 55.423205][ T5176] softirqs last disabled at (80591): [] __irq_exit_rcu+0x240/0x440 [ 55.424491][ T5176] ---[ end trace fb1b1ac07ae42ab3 ]--- [ 55.427573][ T5176] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 55.428777][ T5176] BTRFS info (device loop0): forced readonly [ 55.659949][ T5197] loop0: detected capacity change from 0 to 32768 [ 55.662453][ T5197] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5197) [ 55.666819][ T5197] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.668322][ T5197] BTRFS info (device loop0): using free space tree [ 55.669275][ T5197] BTRFS info (device loop0): has skinny extents [ 55.685469][ T5197] BTRFS info (device loop0): enabling ssd optimizations [ 55.689789][ T5197] FAULT_INJECTION: forcing a failure. [ 55.689789][ T5197] name failslab, interval 1, probability 0, space 0, times 0 [ 55.691777][ T5197] CPU: 0 PID: 5197 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.693142][ T5197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.694552][ T5197] Call trace: [ 55.694992][ T5197] dump_backtrace+0x0/0x43c [ 55.695635][ T5197] show_stack+0x2c/0x3c [ 55.696204][ T5197] __dump_stack+0x30/0x40 [ 55.696822][ T5197] dump_stack_lvl+0xf8/0x160 [ 55.697474][ T5197] dump_stack+0x1c/0x5c [ 55.698100][ T5197] should_fail+0x3c0/0x51c [ 55.698760][ T5197] __should_failslab+0xbc/0x10c [ 55.699468][ T5197] should_failslab+0x10/0x28 [ 55.700137][ T5197] slab_pre_alloc_hook+0x64/0xec [ 55.700883][ T5197] kmem_cache_alloc_trace+0x98/0x3fc [ 55.701671][ T5197] btrfs_alloc_root+0x8c/0x97c [ 55.702407][ T5197] btrfs_create_tree+0x104/0x984 [ 55.703125][ T5197] btrfs_quota_enable+0x348/0x166c [ 55.703907][ T5197] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.704677][ T5197] btrfs_ioctl+0x6f0/0xb38 [ 55.705271][ T5197] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.705938][ T5197] invoke_syscall+0x98/0x2b8 [ 55.706608][ T5197] el0_svc_common+0x138/0x258 [ 55.707398][ T5197] do_el0_svc+0x58/0x14c [ 55.708056][ T5197] el0_svc+0x78/0x1e0 [ 55.708651][ T5197] el0t_64_sync_handler+0xcc/0xe4 [ 55.709304][ T5197] el0t_64_sync+0x1a0/0x1a4 [ 55.710759][ T5197] ------------[ cut here ]------------ [ 55.711660][ T5197] WARNING: CPU: 0 PID: 5197 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 55.713083][ T5197] Modules linked in: [ 55.713652][ T5197] CPU: 0 PID: 5197 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.715100][ T5197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.716639][ T5197] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.717709][ T5197] pc : btrfs_quota_enable+0xfc4/0x166c [ 55.718529][ T5197] lr : btrfs_quota_enable+0xfc4/0x166c [ 55.719257][ T5197] sp : ffff800021117ae0 [ 55.719891][ T5197] x29: ffff800021117c40 x28: 0000000000001798 x27: ffff700004222f6c [ 55.721054][ T5197] x26: ffff0000c52ddbb0 x25: 1fffe0001ac81009 x24: fffffffffffffff4 [ 55.722187][ T5197] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000c52ddc08 [ 55.723337][ T5197] x20: 1fffe00018a5bb81 x19: ffff0000d6408000 x18: 0000000000000001 [ 55.724531][ T5197] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 55.725831][ T5197] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.727019][ T5197] x11: 0000000000000000 x10: 0000000000000000 x9 : 9dc83454de488100 [ 55.728247][ T5197] x8 : 9dc83454de488100 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.729430][ T5197] x5 : ffff8000211173d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 55.730624][ T5197] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.731866][ T5197] Call trace: [ 55.732405][ T5197] btrfs_quota_enable+0xfc4/0x166c [ 55.733140][ T5197] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.733978][ T5197] btrfs_ioctl+0x6f0/0xb38 [ 55.734642][ T5197] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.735465][ T5197] invoke_syscall+0x98/0x2b8 [ 55.736255][ T5197] el0_svc_common+0x138/0x258 [ 55.737049][ T5197] do_el0_svc+0x58/0x14c [ 55.737700][ T5197] el0_svc+0x78/0x1e0 [ 55.738374][ T5197] el0t_64_sync_handler+0xcc/0xe4 [ 55.739174][ T5197] el0t_64_sync+0x1a0/0x1a4 [ 55.739860][ T5197] irq event stamp: 79348 [ 55.740438][ T5197] hardirqs last enabled at (79347): [] __up_console_sem+0xb4/0x100 [ 55.741786][ T5197] hardirqs last disabled at (79348): [] el1_dbg+0x24/0x80 [ 55.743147][ T5197] softirqs last enabled at (79328): [] handle_softirqs+0xa4c/0xbf0 [ 55.744708][ T5197] softirqs last disabled at (79275): [] __irq_exit_rcu+0x240/0x440 [ 55.746074][ T5197] ---[ end trace fb1b1ac07ae42ab4 ]--- [ 55.747009][ T5197] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 55.748304][ T5197] BTRFS info (device loop0): forced readonly [ 55.929018][ T5218] loop0: detected capacity change from 0 to 32768 [ 55.931909][ T5218] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5218) [ 55.936967][ T5218] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.938525][ T5218] BTRFS info (device loop0): using free space tree [ 55.939532][ T5218] BTRFS info (device loop0): has skinny extents [ 55.970373][ T5218] BTRFS info (device loop0): enabling ssd optimizations [ 55.976459][ T5218] FAULT_INJECTION: forcing a failure. [ 55.976459][ T5218] name failslab, interval 1, probability 0, space 0, times 0 [ 55.978261][ T5218] CPU: 0 PID: 5218 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.979499][ T5218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.980891][ T5218] Call trace: [ 55.981328][ T5218] dump_backtrace+0x0/0x43c [ 55.981958][ T5218] show_stack+0x2c/0x3c [ 55.982506][ T5218] __dump_stack+0x30/0x40 [ 55.983099][ T5218] dump_stack_lvl+0xf8/0x160 [ 55.983800][ T5218] dump_stack+0x1c/0x5c [ 55.984391][ T5218] should_fail+0x3c0/0x51c [ 55.985114][ T5218] __should_failslab+0xbc/0x10c [ 55.985829][ T5218] should_failslab+0x10/0x28 [ 55.986519][ T5218] slab_pre_alloc_hook+0x64/0xec [ 55.987213][ T5218] kmem_cache_alloc_trace+0x98/0x3fc [ 55.988065][ T5218] btrfs_alloc_root+0x8c/0x97c [ 55.988832][ T5218] btrfs_create_tree+0x104/0x984 [ 55.989613][ T5218] btrfs_quota_enable+0x348/0x166c [ 55.990475][ T5218] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.991247][ T5218] btrfs_ioctl+0x6f0/0xb38 [ 55.991900][ T5218] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.992584][ T5218] invoke_syscall+0x98/0x2b8 [ 55.993287][ T5218] el0_svc_common+0x138/0x258 [ 55.993969][ T5218] do_el0_svc+0x58/0x14c [ 55.994649][ T5218] el0_svc+0x78/0x1e0 [ 55.995270][ T5218] el0t_64_sync_handler+0xcc/0xe4 [ 55.996110][ T5218] el0t_64_sync+0x1a0/0x1a4 [ 55.997683][ T5218] ------------[ cut here ]------------ [ 55.998565][ T5218] WARNING: CPU: 0 PID: 5218 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 55.999965][ T5218] Modules linked in: [ 56.000549][ T5218] CPU: 0 PID: 5218 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.001786][ T5218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.003305][ T5218] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.004484][ T5218] pc : btrfs_quota_enable+0xfc4/0x166c [ 56.005291][ T5218] lr : btrfs_quota_enable+0xfc4/0x166c [ 56.006149][ T5218] sp : ffff800021117ae0 [ 56.006785][ T5218] x29: ffff800021117c40 x28: 0000000000001798 x27: ffff700004222f6c [ 56.008003][ T5218] x26: ffff0000c52ddd10 x25: 1fffe00019de4809 x24: fffffffffffffff4 [ 56.009169][ T5218] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000c52ddd68 [ 56.010358][ T5218] x20: 1fffe00018a5bbad x19: ffff0000cef24000 x18: 0000000000000001 [ 56.011566][ T5218] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 56.012845][ T5218] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.014011][ T5218] x11: 0000000000000000 x10: 0000000000000000 x9 : 030397419af6e700 [ 56.015290][ T5218] x8 : 030397419af6e700 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.016486][ T5218] x5 : ffff8000211173d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 56.017754][ T5218] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.018936][ T5218] Call trace: [ 56.019425][ T5218] btrfs_quota_enable+0xfc4/0x166c [ 56.020138][ T5218] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.020867][ T5218] btrfs_ioctl+0x6f0/0xb38 [ 56.021548][ T5218] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.022286][ T5218] invoke_syscall+0x98/0x2b8 [ 56.022961][ T5218] el0_svc_common+0x138/0x258 [ 56.023653][ T5218] do_el0_svc+0x58/0x14c [ 56.024278][ T5218] el0_svc+0x78/0x1e0 [ 56.024819][ T5218] el0t_64_sync_handler+0xcc/0xe4 [ 56.025509][ T5218] el0t_64_sync+0x1a0/0x1a4 [ 56.026160][ T5218] irq event stamp: 80378 [ 56.026719][ T5218] hardirqs last enabled at (80377): [] __up_console_sem+0xb4/0x100 [ 56.028006][ T5218] hardirqs last disabled at (80378): [] el1_dbg+0x24/0x80 [ 56.029302][ T5218] softirqs last enabled at (80358): [] handle_softirqs+0xa4c/0xbf0 [ 56.030564][ T5218] softirqs last disabled at (80243): [] __irq_exit_rcu+0x240/0x440 [ 56.032027][ T5218] ---[ end trace fb1b1ac07ae42ab5 ]--- [ 56.032973][ T5218] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 56.034404][ T5218] BTRFS info (device loop0): forced readonly [ 56.234085][ T5239] loop0: detected capacity change from 0 to 32768 [ 56.236881][ T5239] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5239) [ 56.241535][ T5239] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.243270][ T5239] BTRFS info (device loop0): using free space tree [ 56.244405][ T5239] BTRFS info (device loop0): has skinny extents [ 56.253302][ T5239] BTRFS info (device loop0): enabling ssd optimizations [ 56.257751][ T5239] FAULT_INJECTION: forcing a failure. [ 56.257751][ T5239] name failslab, interval 1, probability 0, space 0, times 0 [ 56.259657][ T5239] CPU: 0 PID: 5239 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.261027][ T5239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.262504][ T5239] Call trace: [ 56.262986][ T5239] dump_backtrace+0x0/0x43c [ 56.263684][ T5239] show_stack+0x2c/0x3c [ 56.264256][ T5239] __dump_stack+0x30/0x40 [ 56.264865][ T5239] dump_stack_lvl+0xf8/0x160 [ 56.265496][ T5239] dump_stack+0x1c/0x5c [ 56.266079][ T5239] should_fail+0x3c0/0x51c [ 56.266710][ T5239] __should_failslab+0xbc/0x10c [ 56.267402][ T5239] should_failslab+0x10/0x28 [ 56.268067][ T5239] slab_pre_alloc_hook+0x64/0xec [ 56.268772][ T5239] kmem_cache_alloc_trace+0x98/0x3fc [ 56.269502][ T5239] btrfs_alloc_root+0x8c/0x97c [ 56.270170][ T5239] btrfs_create_tree+0x104/0x984 [ 56.270907][ T5239] btrfs_quota_enable+0x348/0x166c [ 56.271684][ T5239] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.272425][ T5239] btrfs_ioctl+0x6f0/0xb38 [ 56.273062][ T5239] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.273772][ T5239] invoke_syscall+0x98/0x2b8 [ 56.274405][ T5239] el0_svc_common+0x138/0x258 [ 56.275063][ T5239] do_el0_svc+0x58/0x14c [ 56.275661][ T5239] el0_svc+0x78/0x1e0 [ 56.276212][ T5239] el0t_64_sync_handler+0xcc/0xe4 [ 56.277023][ T5239] el0t_64_sync+0x1a0/0x1a4 [ 56.278563][ T5239] ------------[ cut here ]------------ [ 56.279501][ T5239] WARNING: CPU: 0 PID: 5239 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 56.280931][ T5239] Modules linked in: [ 56.281484][ T5239] CPU: 0 PID: 5239 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.282900][ T5239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.284374][ T5239] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.285430][ T5239] pc : btrfs_quota_enable+0xfc4/0x166c [ 56.286163][ T5239] lr : btrfs_quota_enable+0xfc4/0x166c [ 56.286919][ T5239] sp : ffff800021b47ae0 [ 56.287545][ T5239] x29: ffff800021b47c40 x28: 0000000000001798 x27: ffff700004368f6c [ 56.288736][ T5239] x26: ffff0000c52dde70 x25: 1fffe00019de4809 x24: fffffffffffffff4 [ 56.289880][ T5239] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000c52ddec8 [ 56.291109][ T5239] x20: 1fffe00018a5bbd9 x19: ffff0000cef24000 x18: 0000000000000001 [ 56.292235][ T5239] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 56.293468][ T5239] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.294568][ T5239] x11: 0000000000000000 x10: 0000000000000000 x9 : a2449fc15ac71400 [ 56.295887][ T5239] x8 : a2449fc15ac71400 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.297148][ T5239] x5 : ffff800021b473d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 56.298360][ T5239] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.299499][ T5239] Call trace: [ 56.299994][ T5239] btrfs_quota_enable+0xfc4/0x166c [ 56.300709][ T5239] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.301546][ T5239] btrfs_ioctl+0x6f0/0xb38 [ 56.302176][ T5239] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.302846][ T5239] invoke_syscall+0x98/0x2b8 [ 56.303493][ T5239] el0_svc_common+0x138/0x258 [ 56.304160][ T5239] do_el0_svc+0x58/0x14c [ 56.304778][ T5239] el0_svc+0x78/0x1e0 [ 56.305388][ T5239] el0t_64_sync_handler+0xcc/0xe4 [ 56.306137][ T5239] el0t_64_sync+0x1a0/0x1a4 [ 56.306832][ T5239] irq event stamp: 80064 [ 56.307515][ T5239] hardirqs last enabled at (80063): [] __up_console_sem+0xb4/0x100 [ 56.309018][ T5239] hardirqs last disabled at (80064): [] el1_dbg+0x24/0x80 [ 56.310315][ T5239] softirqs last enabled at (80044): [] handle_softirqs+0xa4c/0xbf0 [ 56.311587][ T5239] softirqs last disabled at (80011): [] __irq_exit_rcu+0x240/0x440 [ 56.313018][ T5239] ---[ end trace fb1b1ac07ae42ab6 ]--- [ 56.314803][ T5239] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 56.316261][ T5239] BTRFS info (device loop0): forced readonly [ 56.492055][ T5260] loop0: detected capacity change from 0 to 32768 [ 56.494653][ T5260] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5260) [ 56.498654][ T5260] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.500211][ T5260] BTRFS info (device loop0): using free space tree [ 56.501356][ T5260] BTRFS info (device loop0): has skinny extents [ 56.519781][ T5260] BTRFS info (device loop0): enabling ssd optimizations [ 56.523173][ T5260] FAULT_INJECTION: forcing a failure. [ 56.523173][ T5260] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 56.525115][ T5260] CPU: 0 PID: 5260 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.526416][ T5260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.527788][ T5260] Call trace: [ 56.528252][ T5260] dump_backtrace+0x0/0x43c [ 56.528952][ T5260] show_stack+0x2c/0x3c [ 56.529557][ T5260] __dump_stack+0x30/0x40 [ 56.530205][ T5260] dump_stack_lvl+0xf8/0x160 [ 56.530894][ T5260] dump_stack+0x1c/0x5c [ 56.531484][ T5260] should_fail+0x3c0/0x51c [ 56.532122][ T5260] should_fail_alloc_page+0x74/0xa8 [ 56.532899][ T5260] prepare_alloc_pages+0x160/0x460 [ 56.533625][ T5260] __alloc_pages+0x108/0x470 [ 56.534275][ T5260] alloc_pages+0x34c/0x5c0 [ 56.534915][ T5260] new_slab+0xe0/0x55c [ 56.535481][ T5260] ___slab_alloc+0x6c0/0xda8 [ 56.536139][ T5260] __slab_alloc+0x68/0xc0 [ 56.536805][ T5260] kmem_cache_alloc+0x2ac/0x3e4 [ 56.537501][ T5260] start_transaction+0x4d0/0x13f0 [ 56.538168][ T5260] btrfs_start_transaction+0x34/0x44 [ 56.538951][ T5260] btrfs_quota_enable+0x1b8/0x166c [ 56.539671][ T5260] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.540391][ T5260] btrfs_ioctl+0x6f0/0xb38 [ 56.541009][ T5260] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.541682][ T5260] invoke_syscall+0x98/0x2b8 [ 56.542315][ T5260] el0_svc_common+0x138/0x258 [ 56.543090][ T5260] do_el0_svc+0x58/0x14c [ 56.543794][ T5260] el0_svc+0x78/0x1e0 [ 56.544389][ T5260] el0t_64_sync_handler+0xcc/0xe4 [ 56.545154][ T5260] el0t_64_sync+0x1a0/0x1a4 [ 56.562436][ T618] BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared) [ 56.771782][ T5281] loop0: detected capacity change from 0 to 32768 [ 56.774566][ T5281] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5281) [ 56.778903][ T5281] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.780466][ T5281] BTRFS info (device loop0): using free space tree [ 56.781400][ T5281] BTRFS info (device loop0): has skinny extents [ 56.790876][ T5281] BTRFS info (device loop0): enabling ssd optimizations [ 56.794689][ T5281] FAULT_INJECTION: forcing a failure. [ 56.794689][ T5281] name failslab, interval 1, probability 0, space 0, times 0 [ 56.796969][ T5281] CPU: 1 PID: 5281 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.798424][ T5281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.800060][ T5281] Call trace: [ 56.800580][ T5281] dump_backtrace+0x0/0x43c [ 56.801311][ T5281] show_stack+0x2c/0x3c [ 56.801942][ T5281] __dump_stack+0x30/0x40 [ 56.802623][ T5281] dump_stack_lvl+0xf8/0x160 [ 56.803416][ T5281] dump_stack+0x1c/0x5c [ 56.804120][ T5281] should_fail+0x3c0/0x51c [ 56.804899][ T5281] __should_failslab+0xbc/0x10c [ 56.805603][ T5281] should_failslab+0x10/0x28 [ 56.806312][ T5281] slab_pre_alloc_hook+0x64/0xec [ 56.807119][ T5281] kmem_cache_alloc_trace+0x98/0x3fc [ 56.807955][ T5281] btrfs_alloc_root+0x8c/0x97c [ 56.808693][ T5281] btrfs_create_tree+0x104/0x984 [ 56.809429][ T5281] btrfs_quota_enable+0x348/0x166c [ 56.810203][ T5281] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.810993][ T5281] btrfs_ioctl+0x6f0/0xb38 [ 56.811754][ T5281] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.812548][ T5281] invoke_syscall+0x98/0x2b8 [ 56.813259][ T5281] el0_svc_common+0x138/0x258 [ 56.813946][ T5281] do_el0_svc+0x58/0x14c [ 56.814539][ T5281] el0_svc+0x78/0x1e0 [ 56.815081][ T5281] el0t_64_sync_handler+0xcc/0xe4 [ 56.815840][ T5281] el0t_64_sync+0x1a0/0x1a4 [ 56.817400][ T5281] ------------[ cut here ]------------ [ 56.818268][ T5281] WARNING: CPU: 1 PID: 5281 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 56.819664][ T5281] Modules linked in: [ 56.820294][ T5281] CPU: 1 PID: 5281 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.821695][ T5281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 56.823122][ T5281] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.824243][ T5281] pc : btrfs_quota_enable+0xfc4/0x166c [ 56.825146][ T5281] lr : btrfs_quota_enable+0xfc4/0x166c [ 56.826053][ T5281] sp : ffff800021c37ae0 [ 56.826706][ T5281] x29: ffff800021c37c40 x28: 0000000000001798 x27: ffff700004386f6c [ 56.827961][ T5281] x26: ffff0000dcb9b210 x25: 1fffe0001b801809 x24: fffffffffffffff4 [ 56.829132][ T5281] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000dcb9b268 [ 56.830522][ T5281] x20: 1fffe0001b97364d x19: ffff0000dc00c000 x18: 0000000000000001 [ 56.831841][ T5281] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 56.833104][ T5281] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.834280][ T5281] x11: 0000000000000000 x10: 0000000000000000 x9 : ff01511561ff3c00 [ 56.835397][ T5281] x8 : ff01511561ff3c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.836732][ T5281] x5 : ffff800021c373d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 56.838013][ T5281] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.839216][ T5281] Call trace: [ 56.839683][ T5281] btrfs_quota_enable+0xfc4/0x166c [ 56.840444][ T5281] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.841203][ T5281] btrfs_ioctl+0x6f0/0xb38 [ 56.841871][ T5281] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.842649][ T5281] invoke_syscall+0x98/0x2b8 [ 56.843325][ T5281] el0_svc_common+0x138/0x258 [ 56.844062][ T5281] do_el0_svc+0x58/0x14c [ 56.844752][ T5281] el0_svc+0x78/0x1e0 [ 56.845370][ T5281] el0t_64_sync_handler+0xcc/0xe4 [ 56.846086][ T5281] el0t_64_sync+0x1a0/0x1a4 [ 56.846830][ T5281] irq event stamp: 80222 [ 56.847437][ T5281] hardirqs last enabled at (80221): [] __up_console_sem+0xb4/0x100 [ 56.848880][ T5281] hardirqs last disabled at (80222): [] el1_dbg+0x24/0x80 [ 56.850186][ T5281] softirqs last enabled at (80202): [] handle_softirqs+0xa4c/0xbf0 [ 56.851597][ T5281] softirqs last disabled at (80183): [] __irq_exit_rcu+0x240/0x440 [ 56.853103][ T5281] ---[ end trace fb1b1ac07ae42ab7 ]--- [ 56.854853][ T5281] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 56.856390][ T5281] BTRFS info (device loop0): forced readonly 1970/01/01 00:00:56 executed programs: 32 [ 57.031913][ T5302] loop0: detected capacity change from 0 to 32768 [ 57.034861][ T5302] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5302) [ 57.048622][ T5302] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.050506][ T5302] BTRFS info (device loop0): using free space tree [ 57.051509][ T5302] BTRFS info (device loop0): has skinny extents [ 57.060617][ T5302] BTRFS info (device loop0): enabling ssd optimizations [ 57.064553][ T5302] FAULT_INJECTION: forcing a failure. [ 57.064553][ T5302] name failslab, interval 1, probability 0, space 0, times 0 [ 57.066576][ T5302] CPU: 0 PID: 5302 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.067836][ T5302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.069414][ T5302] Call trace: [ 57.069919][ T5302] dump_backtrace+0x0/0x43c [ 57.070589][ T5302] show_stack+0x2c/0x3c [ 57.071204][ T5302] __dump_stack+0x30/0x40 [ 57.071823][ T5302] dump_stack_lvl+0xf8/0x160 [ 57.072511][ T5302] dump_stack+0x1c/0x5c [ 57.073221][ T5302] should_fail+0x3c0/0x51c [ 57.074002][ T5302] __should_failslab+0xbc/0x10c [ 57.074711][ T5302] should_failslab+0x10/0x28 [ 57.075359][ T5302] slab_pre_alloc_hook+0x64/0xec [ 57.076114][ T5302] kmem_cache_alloc_trace+0x98/0x3fc [ 57.076920][ T5302] btrfs_alloc_root+0x8c/0x97c [ 57.077734][ T5302] btrfs_create_tree+0x104/0x984 [ 57.078595][ T5302] btrfs_quota_enable+0x348/0x166c [ 57.079418][ T5302] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.080234][ T5302] btrfs_ioctl+0x6f0/0xb38 [ 57.080829][ T5302] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.081505][ T5302] invoke_syscall+0x98/0x2b8 [ 57.082135][ T5302] el0_svc_common+0x138/0x258 [ 57.082788][ T5302] do_el0_svc+0x58/0x14c [ 57.083406][ T5302] el0_svc+0x78/0x1e0 [ 57.083993][ T5302] el0t_64_sync_handler+0xcc/0xe4 [ 57.084707][ T5302] el0t_64_sync+0x1a0/0x1a4 [ 57.085567][ T5302] ------------[ cut here ]------------ [ 57.086469][ T5302] WARNING: CPU: 0 PID: 5302 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 57.087810][ T5302] Modules linked in: [ 57.088339][ T5302] CPU: 0 PID: 5302 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.089879][ T5302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.091288][ T5302] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.092414][ T5302] pc : btrfs_quota_enable+0xfc4/0x166c [ 57.093159][ T5302] lr : btrfs_quota_enable+0xfc4/0x166c [ 57.094077][ T5302] sp : ffff800021c37ae0 [ 57.094645][ T5302] x29: ffff800021c37c40 x28: 0000000000001798 x27: ffff700004386f6c [ 57.095996][ T5302] x26: ffff0000dcbef6e0 x25: 1fffe0001b638809 x24: fffffffffffffff4 [ 57.097257][ T5302] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000dcbef738 [ 57.098403][ T5302] x20: 1fffe0001b97dee7 x19: ffff0000db1c4000 x18: 0000000000000001 [ 57.099539][ T5302] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 57.100888][ T5302] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.102298][ T5302] x11: 0000000000000000 x10: 0000000000000000 x9 : 315a80552df0e400 [ 57.103588][ T5302] x8 : 315a80552df0e400 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.104799][ T5302] x5 : ffff800021c373d8 x4 : ffff80001425f420 x3 : ffff800008302278 [ 57.106047][ T5302] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.107298][ T5302] Call trace: [ 57.107777][ T5302] btrfs_quota_enable+0xfc4/0x166c [ 57.108557][ T5302] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.109278][ T5302] btrfs_ioctl+0x6f0/0xb38 [ 57.109871][ T5302] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.110618][ T5302] invoke_syscall+0x98/0x2b8 [ 57.111252][ T5302] el0_svc_common+0x138/0x258 [ 57.111912][ T5302] do_el0_svc+0x58/0x14c [ 57.112520][ T5302] el0_svc+0x78/0x1e0 [ 57.113095][ T5302] el0t_64_sync_handler+0xcc/0xe4 [ 57.113845][ T5302] el0t_64_sync+0x1a0/0x1a4 [ 57.114605][ T5302] irq event stamp: 80152 [ 57.115235][ T5302] hardirqs last enabled at (80151): [] __up_console_sem+0xb4/0x100 [ 57.116570][ T5302] hardirqs last disabled at (80152): [] el1_dbg+0x24/0x80 [ 57.117808][ T5302] softirqs last enabled at (80142): [] handle_softirqs+0xa4c/0xbf0 [ 57.119134][ T5302] softirqs last disabled at (80133): [] __irq_exit_rcu+0x240/0x440 [ 57.120456][ T5302] ---[ end trace fb1b1ac07ae42ab8 ]--- [ 57.121479][ T5302] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 57.122834][ T5302] BTRFS info (device loop0): forced readonly [ 57.327783][ T5323] loop0: detected capacity change from 0 to 32768 [ 57.332475][ T5323] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5323) [ 57.337985][ T5323] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.339598][ T5323] BTRFS info (device loop0): using free space tree [ 57.340464][ T5323] BTRFS info (device loop0): has skinny extents [ 57.348835][ T5323] BTRFS info (device loop0): enabling ssd optimizations [ 57.352651][ T5323] FAULT_INJECTION: forcing a failure. [ 57.352651][ T5323] name failslab, interval 1, probability 0, space 0, times 0 [ 57.354808][ T5323] CPU: 0 PID: 5323 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.356161][ T5323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.357587][ T5323] Call trace: [ 57.358040][ T5323] dump_backtrace+0x0/0x43c [ 57.358686][ T5323] show_stack+0x2c/0x3c [ 57.359286][ T5323] __dump_stack+0x30/0x40 [ 57.359930][ T5323] dump_stack_lvl+0xf8/0x160 [ 57.360584][ T5323] dump_stack+0x1c/0x5c [ 57.361163][ T5323] should_fail+0x3c0/0x51c [ 57.361852][ T5323] __should_failslab+0xbc/0x10c [ 57.362582][ T5323] should_failslab+0x10/0x28 [ 57.363347][ T5323] slab_pre_alloc_hook+0x64/0xec [ 57.364038][ T5323] kmem_cache_alloc_trace+0x98/0x3fc [ 57.364876][ T5323] btrfs_alloc_root+0x8c/0x97c [ 57.365708][ T5323] btrfs_create_tree+0x104/0x984 [ 57.366465][ T5323] btrfs_quota_enable+0x348/0x166c [ 57.367203][ T5323] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.368037][ T5323] btrfs_ioctl+0x6f0/0xb38 [ 57.368653][ T5323] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.369336][ T5323] invoke_syscall+0x98/0x2b8 [ 57.370024][ T5323] el0_svc_common+0x138/0x258 [ 57.370764][ T5323] do_el0_svc+0x58/0x14c [ 57.371392][ T5323] el0_svc+0x78/0x1e0 [ 57.372035][ T5323] el0t_64_sync_handler+0xcc/0xe4 [ 57.372778][ T5323] el0t_64_sync+0x1a0/0x1a4 [ 57.374656][ T5323] ------------[ cut here ]------------ [ 57.375606][ T5323] WARNING: CPU: 0 PID: 5323 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 57.377004][ T5323] Modules linked in: [ 57.377576][ T5323] CPU: 0 PID: 5323 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.378860][ T5323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.380358][ T5323] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.381507][ T5323] pc : btrfs_quota_enable+0xfc4/0x166c [ 57.382289][ T5323] lr : btrfs_quota_enable+0xfc4/0x166c [ 57.383124][ T5323] sp : ffff800021c37ae0 [ 57.383758][ T5323] x29: ffff800021c37c40 x28: 0000000000001798 x27: ffff700004386f6c [ 57.385044][ T5323] x26: ffff0000dcbef580 x25: 1fffe0001af59009 x24: fffffffffffffff4 [ 57.386175][ T5323] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000dcbef5d8 [ 57.387286][ T5323] x20: 1fffe0001b97debb x19: ffff0000d7ac8000 x18: 0000000000000001 [ 57.388615][ T5323] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 57.390008][ T5323] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.391288][ T5323] x11: 0000000000000000 x10: 0000000000000000 x9 : c00a289188988300 [ 57.392625][ T5323] x8 : c00a289188988300 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.393846][ T5323] x5 : ffff800021c373d8 x4 : ffff80001425f420 x3 : ffff800008302278 [ 57.395018][ T5323] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.396346][ T5323] Call trace: [ 57.396862][ T5323] btrfs_quota_enable+0xfc4/0x166c [ 57.397672][ T5323] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.398413][ T5323] btrfs_ioctl+0x6f0/0xb38 [ 57.399098][ T5323] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.399825][ T5323] invoke_syscall+0x98/0x2b8 [ 57.400465][ T5323] el0_svc_common+0x138/0x258 [ 57.401184][ T5323] do_el0_svc+0x58/0x14c [ 57.401885][ T5323] el0_svc+0x78/0x1e0 [ 57.402540][ T5323] el0t_64_sync_handler+0xcc/0xe4 [ 57.403362][ T5323] el0t_64_sync+0x1a0/0x1a4 [ 57.403989][ T5323] irq event stamp: 79606 [ 57.404599][ T5323] hardirqs last enabled at (79605): [] __up_console_sem+0xb4/0x100 [ 57.405986][ T5323] hardirqs last disabled at (79606): [] el1_dbg+0x24/0x80 [ 57.407289][ T5323] softirqs last enabled at (79586): [] handle_softirqs+0xa4c/0xbf0 [ 57.408754][ T5323] softirqs last disabled at (79545): [] __irq_exit_rcu+0x240/0x440 [ 57.410169][ T5323] ---[ end trace fb1b1ac07ae42ab9 ]--- [ 57.411844][ T5323] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 57.413177][ T5323] BTRFS info (device loop0): forced readonly [ 57.588824][ T5344] loop0: detected capacity change from 0 to 32768 [ 57.591506][ T5344] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5344) [ 57.595670][ T5344] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.597409][ T5344] BTRFS info (device loop0): using free space tree [ 57.598309][ T5344] BTRFS info (device loop0): has skinny extents [ 57.615613][ T5344] BTRFS info (device loop0): enabling ssd optimizations [ 57.619460][ T5344] FAULT_INJECTION: forcing a failure. [ 57.619460][ T5344] name failslab, interval 1, probability 0, space 0, times 0 [ 57.621899][ T5344] CPU: 0 PID: 5344 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.623263][ T5344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.624766][ T5344] Call trace: [ 57.625216][ T5344] dump_backtrace+0x0/0x43c [ 57.625862][ T5344] show_stack+0x2c/0x3c [ 57.626498][ T5344] __dump_stack+0x30/0x40 [ 57.627126][ T5344] dump_stack_lvl+0xf8/0x160 [ 57.627833][ T5344] dump_stack+0x1c/0x5c [ 57.628495][ T5344] should_fail+0x3c0/0x51c [ 57.629167][ T5344] __should_failslab+0xbc/0x10c [ 57.629897][ T5344] should_failslab+0x10/0x28 [ 57.630585][ T5344] slab_pre_alloc_hook+0x64/0xec [ 57.631321][ T5344] kmem_cache_alloc_trace+0x98/0x3fc [ 57.632177][ T5344] btrfs_alloc_root+0x8c/0x97c [ 57.632908][ T5344] btrfs_create_tree+0x104/0x984 [ 57.633647][ T5344] btrfs_quota_enable+0x348/0x166c [ 57.634471][ T5344] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.635232][ T5344] btrfs_ioctl+0x6f0/0xb38 [ 57.635852][ T5344] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.636575][ T5344] invoke_syscall+0x98/0x2b8 [ 57.637275][ T5344] el0_svc_common+0x138/0x258 [ 57.638014][ T5344] do_el0_svc+0x58/0x14c [ 57.638750][ T5344] el0_svc+0x78/0x1e0 [ 57.639403][ T5344] el0t_64_sync_handler+0xcc/0xe4 [ 57.640254][ T5344] el0t_64_sync+0x1a0/0x1a4 [ 57.643602][ T5344] ------------[ cut here ]------------ [ 57.644491][ T5344] WARNING: CPU: 0 PID: 5344 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 57.645865][ T5344] Modules linked in: [ 57.646447][ T5344] CPU: 0 PID: 5344 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.647820][ T5344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.649200][ T5344] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.650242][ T5344] pc : btrfs_quota_enable+0xfc4/0x166c [ 57.651038][ T5344] lr : btrfs_quota_enable+0xfc4/0x166c [ 57.651842][ T5344] sp : ffff800022527ae0 [ 57.652447][ T5344] x29: ffff800022527c40 x28: 0000000000001798 x27: ffff7000044a4f6c [ 57.653617][ T5344] x26: ffff0000dcbef370 x25: 1fffe0001a35f009 x24: fffffffffffffff4 [ 57.654800][ T5344] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000dcbef3c8 [ 57.655938][ T5344] x20: 1fffe0001b97de79 x19: ffff0000d1af8000 x18: 0000000000000001 [ 57.657083][ T5344] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff [ 57.658243][ T5344] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.659449][ T5344] x11: 0000000000000000 x10: 0000000000000000 x9 : b82d10847e563b00 [ 57.660638][ T5344] x8 : b82d10847e563b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.661869][ T5344] x5 : ffff8000225273d8 x4 : ffff80001425f420 x3 : ffff80000850471c [ 57.663149][ T5344] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.664460][ T5344] Call trace: [ 57.664975][ T5344] btrfs_quota_enable+0xfc4/0x166c [ 57.665710][ T5344] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.666564][ T5344] btrfs_ioctl+0x6f0/0xb38 [ 57.667312][ T5344] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.668133][ T5344] invoke_syscall+0x98/0x2b8 [ 57.668886][ T5344] el0_svc_common+0x138/0x258 [ 57.669610][ T5344] do_el0_svc+0x58/0x14c [ 57.670320][ T5344] el0_svc+0x78/0x1e0 [ 57.671016][ T5344] el0t_64_sync_handler+0xcc/0xe4 [ 57.671875][ T5344] el0t_64_sync+0x1a0/0x1a4 [ 57.672583][ T5344] irq event stamp: 79902 [ 57.673215][ T5344] hardirqs last enabled at (79901): [] __up_console_sem+0xb4/0x100 [ 57.674735][ T5344] hardirqs last disabled at (79902): [] el1_dbg+0x24/0x80 [ 57.676014][ T5344] softirqs last enabled at (79882): [] handle_softirqs+0xa4c/0xbf0 [ 57.677485][ T5344] softirqs last disabled at (79857): [] __irq_exit_rcu+0x240/0x440 [ 57.678993][ T5344] ---[ end trace fb1b1ac07ae42aba ]--- [ 57.680595][ T5344] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 57.682013][ T5344] BTRFS info (device loop0): forced readonly [ 57.864010][ T5365] loop0: detected capacity change from 0 to 32768 [ 57.866739][ T5365] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5365) [ 57.870436][ T5365] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.872908][ T5365] BTRFS info (device loop0): using free space tree [ 57.874045][ T5365] BTRFS info (device loop0): has skinny extents [ 57.888067][ T5365] BTRFS info (device loop0): enabling ssd optimizations [ 57.891988][ T5365] FAULT_INJECTION: forcing a failure. [ 57.891988][ T5365] name failslab, interval 1, probability 0, space 0, times 0 [ 57.894258][ T5365] CPU: 1 PID: 5365 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.895644][ T5365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.897055][ T5365] Call trace: [ 57.897530][ T5365] dump_backtrace+0x0/0x43c [ 57.898260][ T5365] show_stack+0x2c/0x3c [ 57.898924][ T5365] __dump_stack+0x30/0x40 [ 57.899622][ T5365] dump_stack_lvl+0xf8/0x160 [ 57.900345][ T5365] dump_stack+0x1c/0x5c [ 57.900916][ T5365] should_fail+0x3c0/0x51c [ 57.901528][ T5365] __should_failslab+0xbc/0x10c [ 57.902222][ T5365] should_failslab+0x10/0x28 [ 57.902977][ T5365] slab_pre_alloc_hook+0x64/0xec [ 57.903777][ T5365] kmem_cache_alloc_trace+0x98/0x3fc [ 57.904761][ T5365] btrfs_alloc_root+0x8c/0x97c [ 57.905546][ T5365] btrfs_create_tree+0x104/0x984 [ 57.906310][ T5365] btrfs_quota_enable+0x348/0x166c [ 57.907120][ T5365] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.907913][ T5365] btrfs_ioctl+0x6f0/0xb38 [ 57.908564][ T5365] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.909279][ T5365] invoke_syscall+0x98/0x2b8 [ 57.909934][ T5365] el0_svc_common+0x138/0x258 [ 57.910630][ T5365] do_el0_svc+0x58/0x14c [ 57.911235][ T5365] el0_svc+0x78/0x1e0 [ 57.911804][ T5365] el0t_64_sync_handler+0xcc/0xe4 [ 57.912656][ T5365] el0t_64_sync+0x1a0/0x1a4 [ 57.914181][ T5365] ------------[ cut here ]------------ [ 57.915118][ T5365] WARNING: CPU: 1 PID: 5365 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xfc4/0x166c [ 57.916456][ T5365] Modules linked in: [ 57.917017][ T5365] CPU: 1 PID: 5365 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.918363][ T5365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 57.919804][ T5365] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.920887][ T5365] pc : btrfs_quota_enable+0xfc4/0x166c [ 57.921692][ T5365] lr : btrfs_quota_enable+0xfc4/0x166c [ 57.922438][ T5365] sp : ffff8000226a7ae0 [ 57.923028][ T5365] x29: ffff8000226a7c40 x28: 0000000000001798 x27: ffff7000044d4f6c [ 57.924198][ T5365] x26: ffff0000dcb9b370 x25: 1fffe0001aff1009 x24: fffffffffffffff4 [ 57.925461][ T5365] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000dcb9b3c8 [ 57.926722][ T5365] x20: 1fffe0001b973679 x19: ffff0000d7f88000 x18: 0000000000000001