Warning: Permanently added '10.128.1.37' (ED25519) to the list of known hosts. 1970/01/01 00:00:46 ignoring optional flag "type"="gce" 1970/01/01 00:00:47 parsed 1 programs [ 47.131104][ T4289] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:47 executed programs: 0 [ 47.216137][ T4305] chnl_net:caif_netlink_parms(): no params data found [ 47.238479][ T4305] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.239622][ T4305] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.241015][ T4305] device bridge_slave_0 entered promiscuous mode [ 47.243115][ T4305] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.244255][ T4305] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.245798][ T4305] device bridge_slave_1 entered promiscuous mode [ 47.255015][ T4305] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 47.257717][ T4305] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.266626][ T4305] team0: Port device team_slave_0 added [ 47.269326][ T4305] team0: Port device team_slave_1 added [ 47.277048][ T4305] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 47.278916][ T4305] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 47.282748][ T4305] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 47.285204][ T4305] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 47.286219][ T4305] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 47.291281][ T4305] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 47.349031][ T4305] device hsr_slave_0 entered promiscuous mode [ 47.370240][ T4305] device hsr_slave_1 entered promiscuous mode [ 47.954799][ T4305] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.988654][ T4305] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.058656][ T4305] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.079297][ T4305] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.126718][ T4305] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.127956][ T4305] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.129143][ T4305] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.130279][ T4305] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.152832][ T4305] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.158531][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.160593][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.162038][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.163817][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.171724][ T4305] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.175049][ T351] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.176531][ T351] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.177653][ T351] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.182076][ T351] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.183659][ T351] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.184724][ T351] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.192975][ T351] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.194791][ T351] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.203438][ T4305] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 48.205051][ T4305] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 48.209630][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.211281][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.213159][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.214882][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.265455][ T4305] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.267949][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.269239][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.278714][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.280274][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.287168][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.291537][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.293422][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.294754][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.298265][ T4305] device veth0_vlan entered promiscuous mode [ 48.302950][ T4305] device veth1_vlan entered promiscuous mode [ 48.312516][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 48.314000][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 48.315404][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 48.316894][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.321008][ T4305] device veth0_macvtap entered promiscuous mode [ 48.323589][ T4305] device veth1_macvtap entered promiscuous mode [ 48.329930][ T4305] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.331212][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 48.332907][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 48.335016][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 48.336464][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.341738][ T4305] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.342980][ T351] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 48.344664][ T351] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.347758][ T4305] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.349106][ T4305] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.350615][ T4305] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.351920][ T4305] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.484978][ T4444] loop0: detected capacity change from 0 to 32768 [ 48.490389][ T4444] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4444) [ 48.499451][ T4444] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.501025][ T4444] BTRFS info (device loop0): using free space tree [ 48.502132][ T4444] BTRFS info (device loop0): has skinny extents [ 48.570839][ T4444] BTRFS info (device loop0): enabling ssd optimizations [ 48.582532][ T4444] FAULT_INJECTION: forcing a failure. [ 48.582532][ T4444] name failslab, interval 1, probability 0, space 0, times 1 [ 48.586881][ T4444] CPU: 1 PID: 4444 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.588141][ T4444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.589791][ T4444] Call trace: [ 48.590287][ T4444] dump_backtrace+0x0/0x458 [ 48.590968][ T4444] show_stack+0x2c/0x3c [ 48.591567][ T4444] __dump_stack+0x30/0x40 [ 48.592244][ T4444] dump_stack_lvl+0xf4/0x15c [ 48.592902][ T4444] dump_stack+0x1c/0x5c [ 48.593481][ T4444] should_fail+0x3bc/0x514 [ 48.594143][ T4444] __should_failslab+0xbc/0x10c [ 48.594846][ T4444] should_failslab+0x10/0x28 [ 48.595481][ T4444] slab_pre_alloc_hook+0x64/0xe8 [ 48.596201][ T4444] kmem_cache_alloc+0x94/0x3d4 [ 48.596919][ T4444] start_transaction+0x4d0/0x13ec [ 48.597679][ T4444] btrfs_start_transaction+0x34/0x44 [ 48.598502][ T4444] btrfs_quota_enable+0x1d0/0x1674 [ 48.599252][ T4444] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 48.600068][ T4444] btrfs_ioctl+0x96c/0xa8c [ 48.600685][ T4444] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.601396][ T4444] invoke_syscall+0x98/0x2b0 [ 48.602130][ T4444] el0_svc_common+0x138/0x258 [ 48.602878][ T4444] do_el0_svc+0x58/0x13c [ 48.603571][ T4444] el0_svc+0x78/0x1d0 [ 48.604161][ T4444] el0t_64_sync_handler+0xcc/0xe4 [ 48.604922][ T4444] el0t_64_sync+0x1a0/0x1a4 [ 48.826601][ T4514] loop0: detected capacity change from 0 to 32768 [ 48.832407][ T4514] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4514) [ 48.843684][ T4514] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.845141][ T4514] BTRFS info (device loop0): using free space tree [ 48.846163][ T4514] BTRFS info (device loop0): has skinny extents [ 48.911478][ T4514] BTRFS info (device loop0): enabling ssd optimizations [ 48.915370][ T4514] FAULT_INJECTION: forcing a failure. [ 48.915370][ T4514] name failslab, interval 1, probability 0, space 0, times 0 [ 48.919346][ T4514] CPU: 0 PID: 4514 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.920537][ T4514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.922088][ T4514] Call trace: [ 48.922610][ T4514] dump_backtrace+0x0/0x458 [ 48.923305][ T4514] show_stack+0x2c/0x3c [ 48.923935][ T4514] __dump_stack+0x30/0x40 [ 48.924600][ T4514] dump_stack_lvl+0xf4/0x15c [ 48.925263][ T4514] dump_stack+0x1c/0x5c [ 48.925832][ T4514] should_fail+0x3bc/0x514 [ 48.926540][ T4514] __should_failslab+0xbc/0x10c [ 48.927267][ T4514] should_failslab+0x10/0x28 [ 48.927965][ T4514] slab_pre_alloc_hook+0x64/0xe8 [ 48.928759][ T4514] kmem_cache_alloc_trace+0x98/0x3ec [ 48.929571][ T4514] btrfs_alloc_root+0x8c/0x97c [ 48.930301][ T4514] btrfs_create_tree+0x110/0x998 [ 48.931044][ T4514] btrfs_quota_enable+0x37c/0x1674 [ 48.931774][ T4514] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 48.932624][ T4514] btrfs_ioctl+0x96c/0xa8c [ 48.933255][ T4514] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.933953][ T4514] invoke_syscall+0x98/0x2b0 [ 48.934653][ T4514] el0_svc_common+0x138/0x258 [ 48.935351][ T4514] do_el0_svc+0x58/0x13c [ 48.936015][ T4514] el0_svc+0x78/0x1d0 [ 48.936657][ T4514] el0t_64_sync_handler+0xcc/0xe4 [ 48.937388][ T4514] el0t_64_sync+0x1a0/0x1a4 [ 48.939767][ T4514] ------------[ cut here ]------------ [ 48.940778][ T4514] WARNING: CPU: 0 PID: 4514 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 48.942132][ T4514] Modules linked in: [ 48.942718][ T4514] CPU: 0 PID: 4514 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.943757][ T4514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.945170][ T4514] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.946192][ T4514] pc : btrfs_quota_enable+0xff8/0x1674 [ 48.946942][ T4514] lr : btrfs_quota_enable+0xff8/0x1674 [ 48.947749][ T4514] sp : ffff80001f807ae0 [ 48.948339][ T4514] x29: ffff80001f807c40 x28: 0000000000001798 x27: ffff700003f00f6c [ 48.949570][ T4514] x26: ffff0000de57e0b0 x25: ffff0000c96c0000 x24: fffffffffffffff4 [ 48.950759][ T4514] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de57e108 [ 48.951926][ T4514] x20: 1fffe0001bcafc21 x19: ffff0000d916c000 x18: 0000000000000001 [ 48.953030][ T4514] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 48.954211][ T4514] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 48.955354][ T4514] x11: 0000000000000000 x10: 0000000000000000 x9 : c7b7189960412500 [ 48.956715][ T4514] x8 : c7b7189960412500 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.958018][ T4514] x5 : ffff80001f8073f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 48.959225][ T4514] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.960399][ T4514] Call trace: [ 48.960884][ T4514] btrfs_quota_enable+0xff8/0x1674 [ 48.961653][ T4514] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 48.962430][ T4514] btrfs_ioctl+0x96c/0xa8c [ 48.963112][ T4514] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.963831][ T4514] invoke_syscall+0x98/0x2b0 [ 48.964531][ T4514] el0_svc_common+0x138/0x258 [ 48.965202][ T4514] do_el0_svc+0x58/0x13c [ 48.965842][ T4514] el0_svc+0x78/0x1d0 [ 48.966411][ T4514] el0t_64_sync_handler+0xcc/0xe4 [ 48.967184][ T4514] el0t_64_sync+0x1a0/0x1a4 [ 48.967815][ T4514] irq event stamp: 79668 [ 48.968414][ T4514] hardirqs last enabled at (79667): [] __up_console_sem+0xb4/0xfc [ 48.969718][ T4514] hardirqs last disabled at (79668): [] el1_dbg+0x24/0x80 [ 48.970955][ T4514] softirqs last enabled at (79644): [] handle_softirqs+0xa40/0xbe4 [ 48.972343][ T4514] softirqs last disabled at (79543): [] __irq_exit_rcu+0x240/0x43c [ 48.973721][ T4514] ---[ end trace 4a03e26720d37b15 ]--- [ 48.979099][ T4514] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 48.980885][ T4514] BTRFS info (device loop0): forced readonly [ 49.207887][ T1541] Bluetooth: hci0: command 0x0409 tx timeout [ 49.218956][ T4571] loop0: detected capacity change from 0 to 32768 [ 49.223275][ T4571] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4571) [ 49.230963][ T4571] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.232570][ T4571] BTRFS info (device loop0): using free space tree [ 49.233574][ T4571] BTRFS info (device loop0): has skinny extents [ 49.242427][ T4571] BTRFS info (device loop0): enabling ssd optimizations [ 49.250639][ T4571] FAULT_INJECTION: forcing a failure. [ 49.250639][ T4571] name failslab, interval 1, probability 0, space 0, times 0 [ 49.252888][ T4571] CPU: 1 PID: 4571 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.254338][ T4571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.255978][ T4571] Call trace: [ 49.256470][ T4571] dump_backtrace+0x0/0x458 [ 49.257236][ T4571] show_stack+0x2c/0x3c [ 49.257911][ T4571] __dump_stack+0x30/0x40 [ 49.258604][ T4571] dump_stack_lvl+0xf4/0x15c [ 49.259242][ T4571] dump_stack+0x1c/0x5c [ 49.259945][ T4571] should_fail+0x3bc/0x514 [ 49.260625][ T4571] __should_failslab+0xbc/0x10c [ 49.261391][ T4571] should_failslab+0x10/0x28 [ 49.262125][ T4571] slab_pre_alloc_hook+0x64/0xe8 [ 49.262849][ T4571] kmem_cache_alloc_trace+0x98/0x3ec [ 49.263700][ T4571] btrfs_alloc_root+0x8c/0x97c [ 49.264430][ T4571] btrfs_create_tree+0x110/0x998 [ 49.265137][ T4571] btrfs_quota_enable+0x37c/0x1674 [ 49.265953][ T4571] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.266676][ T4571] btrfs_ioctl+0x96c/0xa8c [ 49.267340][ T4571] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.268113][ T4571] invoke_syscall+0x98/0x2b0 [ 49.268759][ T4571] el0_svc_common+0x138/0x258 [ 49.269365][ T4571] do_el0_svc+0x58/0x13c [ 49.270005][ T4571] el0_svc+0x78/0x1d0 [ 49.270613][ T4571] el0t_64_sync_handler+0xcc/0xe4 [ 49.271362][ T4571] el0t_64_sync+0x1a0/0x1a4 [ 49.274431][ T4571] ------------[ cut here ]------------ [ 49.275433][ T4571] WARNING: CPU: 1 PID: 4571 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 49.277083][ T4571] Modules linked in: [ 49.277733][ T4571] CPU: 1 PID: 4571 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.279242][ T4571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.280932][ T4571] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.282199][ T4571] pc : btrfs_quota_enable+0xff8/0x1674 [ 49.282992][ T4571] lr : btrfs_quota_enable+0xff8/0x1674 [ 49.283828][ T4571] sp : ffff80001fa57ae0 [ 49.284477][ T4571] x29: ffff80001fa57c40 x28: 0000000000001798 x27: ffff700003f4af6c [ 49.285729][ T4571] x26: ffff0000de7c62c0 x25: ffff0000ccf4c000 x24: fffffffffffffff4 [ 49.286996][ T4571] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de7c6318 [ 49.288185][ T4571] x20: 1fffe0001bcf8c63 x19: ffff0000d916c000 x18: 0000000000000001 [ 49.289513][ T4571] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 49.290803][ T4571] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 49.291977][ T4571] x11: 0000000000000000 x10: 0000000000000000 x9 : 8a9041cee5afec00 [ 49.293177][ T4571] x8 : 8a9041cee5afec00 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.294371][ T4571] x5 : ffff80001fa573f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 49.295553][ T4571] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.296762][ T4571] Call trace: [ 49.297303][ T4571] btrfs_quota_enable+0xff8/0x1674 [ 49.298120][ T4571] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.298905][ T4571] btrfs_ioctl+0x96c/0xa8c [ 49.299580][ T4571] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.300370][ T4571] invoke_syscall+0x98/0x2b0 [ 49.301065][ T4571] el0_svc_common+0x138/0x258 [ 49.301757][ T4571] do_el0_svc+0x58/0x13c [ 49.302404][ T4571] el0_svc+0x78/0x1d0 [ 49.303039][ T4571] el0t_64_sync_handler+0xcc/0xe4 [ 49.303799][ T4571] el0t_64_sync+0x1a0/0x1a4 [ 49.304410][ T4571] irq event stamp: 79904 [ 49.305025][ T4571] hardirqs last enabled at (79903): [] __up_console_sem+0xb4/0xfc [ 49.306411][ T4571] hardirqs last disabled at (79904): [] el1_dbg+0x24/0x80 [ 49.307678][ T4571] softirqs last enabled at (79884): [] handle_softirqs+0xa40/0xbe4 [ 49.309073][ T4571] softirqs last disabled at (79863): [] __irq_exit_rcu+0x240/0x43c [ 49.310492][ T4571] ---[ end trace 4a03e26720d37b16 ]--- [ 49.323059][ T4571] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 49.324554][ T4571] BTRFS info (device loop0): forced readonly [ 49.528445][ T4618] loop0: detected capacity change from 0 to 32768 [ 49.532099][ T4618] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4618) [ 49.539174][ T4618] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.540950][ T4618] BTRFS info (device loop0): using free space tree [ 49.542122][ T4618] BTRFS info (device loop0): has skinny extents [ 49.575423][ T4618] BTRFS info (device loop0): enabling ssd optimizations [ 49.580288][ T4618] FAULT_INJECTION: forcing a failure. [ 49.580288][ T4618] name failslab, interval 1, probability 0, space 0, times 0 [ 49.582527][ T4618] CPU: 0 PID: 4618 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.584010][ T4618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.585641][ T4618] Call trace: [ 49.586146][ T4618] dump_backtrace+0x0/0x458 [ 49.586863][ T4618] show_stack+0x2c/0x3c [ 49.587513][ T4618] __dump_stack+0x30/0x40 [ 49.588180][ T4618] dump_stack_lvl+0xf4/0x15c [ 49.588913][ T4618] dump_stack+0x1c/0x5c [ 49.589550][ T4618] should_fail+0x3bc/0x514 [ 49.590186][ T4618] __should_failslab+0xbc/0x10c [ 49.590901][ T4618] should_failslab+0x10/0x28 [ 49.591580][ T4618] slab_pre_alloc_hook+0x64/0xe8 [ 49.592287][ T4618] kmem_cache_alloc_trace+0x98/0x3ec [ 49.593020][ T4618] btrfs_alloc_root+0x8c/0x97c [ 49.593751][ T4618] btrfs_create_tree+0x110/0x998 [ 49.594481][ T4618] btrfs_quota_enable+0x37c/0x1674 [ 49.595202][ T4618] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.595947][ T4618] btrfs_ioctl+0x96c/0xa8c [ 49.596595][ T4618] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.597311][ T4618] invoke_syscall+0x98/0x2b0 [ 49.598013][ T4618] el0_svc_common+0x138/0x258 [ 49.598664][ T4618] do_el0_svc+0x58/0x13c [ 49.599265][ T4618] el0_svc+0x78/0x1d0 [ 49.599860][ T4618] el0t_64_sync_handler+0xcc/0xe4 [ 49.600592][ T4618] el0t_64_sync+0x1a0/0x1a4 [ 49.602776][ T4618] ------------[ cut here ]------------ [ 49.603744][ T4618] WARNING: CPU: 0 PID: 4618 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 49.605131][ T4618] Modules linked in: [ 49.605731][ T4618] CPU: 0 PID: 4618 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.607002][ T4618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.608463][ T4618] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.609559][ T4618] pc : btrfs_quota_enable+0xff8/0x1674 [ 49.610375][ T4618] lr : btrfs_quota_enable+0xff8/0x1674 [ 49.611204][ T4618] sp : ffff80001fcf7ae0 [ 49.611798][ T4618] x29: ffff80001fcf7c40 x28: 0000000000001798 x27: ffff700003f9ef6c [ 49.613040][ T4618] x26: ffff0000de57e210 x25: ffff0000cec68000 x24: fffffffffffffff4 [ 49.614175][ T4618] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de57e268 [ 49.615250][ T4618] x20: 1fffe0001bcafc4d x19: ffff0000dcb34000 x18: 0000000000000001 [ 49.616487][ T4618] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 49.617684][ T4618] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 49.618920][ T4618] x11: 0000000000000000 x10: 0000000000000000 x9 : 9ab89e4ec8031f00 [ 49.620154][ T4618] x8 : 9ab89e4ec8031f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.621427][ T4618] x5 : ffff80001fcf73f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 49.622624][ T4618] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.623812][ T4618] Call trace: [ 49.624313][ T4618] btrfs_quota_enable+0xff8/0x1674 [ 49.625078][ T4618] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.625849][ T4618] btrfs_ioctl+0x96c/0xa8c [ 49.626756][ T4618] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.627479][ T4618] invoke_syscall+0x98/0x2b0 [ 49.628209][ T4618] el0_svc_common+0x138/0x258 [ 49.628957][ T4618] do_el0_svc+0x58/0x13c [ 49.629649][ T4618] el0_svc+0x78/0x1d0 [ 49.630239][ T4618] el0t_64_sync_handler+0xcc/0xe4 [ 49.631046][ T4618] el0t_64_sync+0x1a0/0x1a4 [ 49.631728][ T4618] irq event stamp: 81338 [ 49.632344][ T4618] hardirqs last enabled at (81337): [] __up_console_sem+0xb4/0xfc [ 49.633762][ T4618] hardirqs last disabled at (81338): [] el1_dbg+0x24/0x80 [ 49.635033][ T4618] softirqs last enabled at (81318): [] handle_softirqs+0xa40/0xbe4 [ 49.636399][ T4618] softirqs last disabled at (81303): [] __irq_exit_rcu+0x240/0x43c [ 49.637795][ T4618] ---[ end trace 4a03e26720d37b17 ]--- [ 49.641777][ T4618] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 49.643362][ T4618] BTRFS info (device loop0): forced readonly [ 49.855208][ T4687] loop0: detected capacity change from 0 to 32768 [ 49.866147][ T4687] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4687) [ 49.875650][ T4687] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.878526][ T4687] BTRFS info (device loop0): using free space tree [ 49.879541][ T4687] BTRFS info (device loop0): has skinny extents [ 49.939647][ T4687] BTRFS info (device loop0): enabling ssd optimizations [ 49.947113][ T4687] FAULT_INJECTION: forcing a failure. [ 49.947113][ T4687] name failslab, interval 1, probability 0, space 0, times 0 [ 49.949800][ T4687] CPU: 1 PID: 4687 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.951289][ T4687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.952691][ T4687] Call trace: [ 49.953137][ T4687] dump_backtrace+0x0/0x458 [ 49.953779][ T4687] show_stack+0x2c/0x3c [ 49.954420][ T4687] __dump_stack+0x30/0x40 [ 49.955080][ T4687] dump_stack_lvl+0xf4/0x15c [ 49.955762][ T4687] dump_stack+0x1c/0x5c [ 49.956357][ T4687] should_fail+0x3bc/0x514 [ 49.956977][ T4687] __should_failslab+0xbc/0x10c [ 49.957683][ T4687] should_failslab+0x10/0x28 [ 49.958347][ T4687] slab_pre_alloc_hook+0x64/0xe8 [ 49.959124][ T4687] kmem_cache_alloc_trace+0x98/0x3ec [ 49.959885][ T4687] btrfs_alloc_root+0x8c/0x97c [ 49.960577][ T4687] btrfs_create_tree+0x110/0x998 [ 49.961344][ T4687] btrfs_quota_enable+0x37c/0x1674 [ 49.962160][ T4687] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.962993][ T4687] btrfs_ioctl+0x96c/0xa8c [ 49.963631][ T4687] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.964386][ T4687] invoke_syscall+0x98/0x2b0 [ 49.965081][ T4687] el0_svc_common+0x138/0x258 [ 49.965783][ T4687] do_el0_svc+0x58/0x13c [ 49.966585][ T4687] el0_svc+0x78/0x1d0 [ 49.967171][ T4687] el0t_64_sync_handler+0xcc/0xe4 [ 49.967923][ T4687] el0t_64_sync+0x1a0/0x1a4 [ 49.970131][ T4687] ------------[ cut here ]------------ [ 49.971089][ T4687] WARNING: CPU: 1 PID: 4687 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 49.972436][ T4687] Modules linked in: [ 49.973019][ T4687] CPU: 1 PID: 4687 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.974423][ T4687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.975908][ T4687] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.977051][ T4687] pc : btrfs_quota_enable+0xff8/0x1674 [ 49.977846][ T4687] lr : btrfs_quota_enable+0xff8/0x1674 [ 49.978591][ T4687] sp : ffff80001f8a7ae0 [ 49.979181][ T4687] x29: ffff80001f8a7c40 x28: 0000000000001798 x27: ffff700003f14f6c [ 49.980353][ T4687] x26: ffff0000de7c6420 x25: ffff0000ddd5a000 x24: fffffffffffffff4 [ 49.981676][ T4687] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de7c6478 [ 49.982961][ T4687] x20: 1fffe0001bcf8c8f x19: ffff0000daf84000 x18: 0000000000000001 [ 49.984134][ T4687] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 49.985290][ T4687] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 49.986500][ T4687] x11: 0000000000000000 x10: 0000000000000000 x9 : 75cabcbbad735b00 [ 49.987650][ T4687] x8 : 75cabcbbad735b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.988884][ T4687] x5 : ffff80001f8a73f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 49.990134][ T4687] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.991372][ T4687] Call trace: [ 49.991858][ T4687] btrfs_quota_enable+0xff8/0x1674 [ 49.992543][ T4687] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 49.993280][ T4687] btrfs_ioctl+0x96c/0xa8c [ 49.993913][ T4687] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.994655][ T4687] invoke_syscall+0x98/0x2b0 [ 49.995277][ T4687] el0_svc_common+0x138/0x258 [ 49.995998][ T4687] do_el0_svc+0x58/0x13c [ 49.996577][ T4687] el0_svc+0x78/0x1d0 [ 49.997118][ T4687] el0t_64_sync_handler+0xcc/0xe4 [ 49.997891][ T4687] el0t_64_sync+0x1a0/0x1a4 [ 49.998522][ T4687] irq event stamp: 81116 [ 49.999150][ T4687] hardirqs last enabled at (81115): [] __up_console_sem+0xb4/0xfc [ 50.000499][ T4687] hardirqs last disabled at (81116): [] el1_dbg+0x24/0x80 [ 50.001725][ T4687] softirqs last enabled at (81096): [] handle_softirqs+0xa40/0xbe4 [ 50.003070][ T4687] softirqs last disabled at (81079): [] __irq_exit_rcu+0x240/0x43c [ 50.004465][ T4687] ---[ end trace 4a03e26720d37b18 ]--- [ 50.008316][ T4687] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 50.009796][ T4687] BTRFS info (device loop0): forced readonly [ 50.232259][ T4738] loop0: detected capacity change from 0 to 32768 [ 50.244782][ T4738] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4738) [ 50.252238][ T4738] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.253975][ T4738] BTRFS info (device loop0): using free space tree [ 50.254897][ T4738] BTRFS info (device loop0): has skinny extents [ 50.325832][ T4738] BTRFS info (device loop0): enabling ssd optimizations [ 50.330910][ T4738] FAULT_INJECTION: forcing a failure. [ 50.330910][ T4738] name failslab, interval 1, probability 0, space 0, times 0 [ 50.332922][ T4738] CPU: 1 PID: 4738 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.334271][ T4738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.335625][ T4738] Call trace: [ 50.336098][ T4738] dump_backtrace+0x0/0x458 [ 50.336789][ T4738] show_stack+0x2c/0x3c [ 50.337411][ T4738] __dump_stack+0x30/0x40 [ 50.338041][ T4738] dump_stack_lvl+0xf4/0x15c [ 50.338753][ T4738] dump_stack+0x1c/0x5c [ 50.339395][ T4738] should_fail+0x3bc/0x514 [ 50.340080][ T4738] __should_failslab+0xbc/0x10c [ 50.340808][ T4738] should_failslab+0x10/0x28 [ 50.341468][ T4738] slab_pre_alloc_hook+0x64/0xe8 [ 50.342255][ T4738] kmem_cache_alloc_trace+0x98/0x3ec [ 50.343039][ T4738] btrfs_alloc_root+0x8c/0x97c [ 50.343781][ T4738] btrfs_create_tree+0x110/0x998 [ 50.344532][ T4738] btrfs_quota_enable+0x37c/0x1674 [ 50.345298][ T4738] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 50.346151][ T4738] btrfs_ioctl+0x96c/0xa8c [ 50.346756][ T4738] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.347481][ T4738] invoke_syscall+0x98/0x2b0 [ 50.348170][ T4738] el0_svc_common+0x138/0x258 [ 50.348855][ T4738] do_el0_svc+0x58/0x13c [ 50.349452][ T4738] el0_svc+0x78/0x1d0 [ 50.350052][ T4738] el0t_64_sync_handler+0xcc/0xe4 [ 50.350871][ T4738] el0t_64_sync+0x1a0/0x1a4 [ 50.356422][ T4738] ------------[ cut here ]------------ [ 50.358474][ T4738] WARNING: CPU: 1 PID: 4738 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 50.359945][ T4738] Modules linked in: [ 50.360520][ T4738] CPU: 1 PID: 4738 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.361889][ T4738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.363385][ T4738] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.364527][ T4738] pc : btrfs_quota_enable+0xff8/0x1674 [ 50.365301][ T4738] lr : btrfs_quota_enable+0xff8/0x1674 [ 50.366103][ T4738] sp : ffff80001f8e7ae0 [ 50.366743][ T4738] x29: ffff80001f8e7c40 x28: 0000000000001798 x27: ffff700003f1cf6c [ 50.367947][ T4738] x26: ffff0000de7c6580 x25: ffff0000e3d6c000 x24: fffffffffffffff4 [ 50.369285][ T4738] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de7c65d8 [ 50.370539][ T4738] x20: 1fffe0001bcf8cbb x19: ffff0000c6608000 x18: 0000000000000001 [ 50.371744][ T4738] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 50.372950][ T4738] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 50.374215][ T4738] x11: 0000000000000000 x10: 0000000000000000 x9 : 586ac85a94e5e000 [ 50.375454][ T4738] x8 : 586ac85a94e5e000 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.376718][ T4738] x5 : ffff80001f8e73f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 50.377951][ T4738] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.379233][ T4738] Call trace: [ 50.379762][ T4738] btrfs_quota_enable+0xff8/0x1674 [ 50.380585][ T4738] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 50.381361][ T4738] btrfs_ioctl+0x96c/0xa8c [ 50.382066][ T4738] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.382740][ T4738] invoke_syscall+0x98/0x2b0 [ 50.383408][ T4738] el0_svc_common+0x138/0x258 [ 50.384091][ T4738] do_el0_svc+0x58/0x13c [ 50.384705][ T4738] el0_svc+0x78/0x1d0 [ 50.385317][ T4738] el0t_64_sync_handler+0xcc/0xe4 [ 50.386106][ T4738] el0t_64_sync+0x1a0/0x1a4 [ 50.386723][ T4738] irq event stamp: 81452 [ 50.387319][ T4738] hardirqs last enabled at (81451): [] __up_console_sem+0xb4/0xfc [ 50.388768][ T4738] hardirqs last disabled at (81452): [] el1_dbg+0x24/0x80 [ 50.390023][ T4738] softirqs last enabled at (81440): [] handle_softirqs+0xa40/0xbe4 [ 50.391488][ T4738] softirqs last disabled at (81431): [] __irq_exit_rcu+0x240/0x43c [ 50.392839][ T4738] ---[ end trace 4a03e26720d37b19 ]--- [ 50.397586][ T4738] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 50.399775][ T4738] BTRFS info (device loop0): forced readonly [ 50.575418][ T4801] loop0: detected capacity change from 0 to 32768 [ 50.579691][ T4801] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4801) [ 50.584455][ T4801] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.586039][ T4801] BTRFS info (device loop0): using free space tree [ 50.587037][ T4801] BTRFS info (device loop0): has skinny extents [ 50.598187][ T4801] BTRFS info (device loop0): enabling ssd optimizations [ 50.602163][ T4801] FAULT_INJECTION: forcing a failure. [ 50.602163][ T4801] name failslab, interval 1, probability 0, space 0, times 0 [ 50.604084][ T4801] CPU: 0 PID: 4801 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.605442][ T4801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.606851][ T4801] Call trace: [ 50.607329][ T4801] dump_backtrace+0x0/0x458 [ 50.607965][ T4801] show_stack+0x2c/0x3c [ 50.608553][ T4801] __dump_stack+0x30/0x40 [ 50.609160][ T4801] dump_stack_lvl+0xf4/0x15c [ 50.609852][ T4801] dump_stack+0x1c/0x5c [ 50.610442][ T4801] should_fail+0x3bc/0x514 [ 50.611122][ T4801] __should_failslab+0xbc/0x10c [ 50.611870][ T4801] should_failslab+0x10/0x28 [ 50.612485][ T4801] slab_pre_alloc_hook+0x64/0xe8 [ 50.613214][ T4801] kmem_cache_alloc_trace+0x98/0x3ec [ 50.613977][ T4801] btrfs_alloc_root+0x8c/0x97c [ 50.614686][ T4801] btrfs_create_tree+0x110/0x998 [ 50.615354][ T4801] btrfs_quota_enable+0x37c/0x1674 [ 50.616168][ T4801] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 50.616934][ T4801] btrfs_ioctl+0x96c/0xa8c [ 50.617567][ T4801] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.618349][ T4801] invoke_syscall+0x98/0x2b0 [ 50.618996][ T4801] el0_svc_common+0x138/0x258 [ 50.619671][ T4801] do_el0_svc+0x58/0x13c [ 50.620295][ T4801] el0_svc+0x78/0x1d0 [ 50.620851][ T4801] el0t_64_sync_handler+0xcc/0xe4 [ 50.621572][ T4801] el0t_64_sync+0x1a0/0x1a4 [ 50.623002][ T4801] ------------[ cut here ]------------ [ 50.623919][ T4801] WARNING: CPU: 0 PID: 4801 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 50.625235][ T4801] Modules linked in: [ 50.625797][ T4801] CPU: 0 PID: 4801 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.627091][ T4801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.628698][ T4801] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.629881][ T4801] pc : btrfs_quota_enable+0xff8/0x1674 [ 50.630684][ T4801] lr : btrfs_quota_enable+0xff8/0x1674 [ 50.631520][ T4801] sp : ffff80001f8e7ae0 [ 50.632159][ T4801] x29: ffff80001f8e7c40 x28: 0000000000001798 x27: ffff700003f1cf6c [ 50.633447][ T4801] x26: ffff0000de57e370 x25: ffff0000dc6f8000 x24: fffffffffffffff4 [ 50.634589][ T4801] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de57e3c8 [ 50.635759][ T4801] x20: 1fffe0001bcafc79 x19: ffff0000c6608000 x18: 0000000000000001 [ 50.636899][ T4801] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 50.638045][ T4801] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 50.639236][ T4801] x11: 0000000000000000 x10: 0000000000000000 x9 : e0933f20bd068700 [ 50.640457][ T4801] x8 : e0933f20bd068700 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.641582][ T4801] x5 : ffff80001f8e73f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 50.642757][ T4801] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.644017][ T4801] Call trace: [ 50.644490][ T4801] btrfs_quota_enable+0xff8/0x1674 [ 50.645256][ T4801] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 50.646019][ T4801] btrfs_ioctl+0x96c/0xa8c [ 50.646593][ T4801] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.647294][ T4801] invoke_syscall+0x98/0x2b0 [ 50.647953][ T4801] el0_svc_common+0x138/0x258 [ 50.648639][ T4801] do_el0_svc+0x58/0x13c [ 50.649253][ T4801] el0_svc+0x78/0x1d0 [ 50.649866][ T4801] el0t_64_sync_handler+0xcc/0xe4 [ 50.650604][ T4801] el0t_64_sync+0x1a0/0x1a4 [ 50.651256][ T4801] irq event stamp: 81214 [ 50.651842][ T4801] hardirqs last enabled at (81213): [] __up_console_sem+0xb4/0xfc [ 50.653249][ T4801] hardirqs last disabled at (81214): [] el1_dbg+0x24/0x80 [ 50.654572][ T4801] softirqs last enabled at (81194): [] handle_softirqs+0xa40/0xbe4 [ 50.655924][ T4801] softirqs last disabled at (81083): [] __irq_exit_rcu+0x240/0x43c [ 50.657343][ T4801] ---[ end trace 4a03e26720d37b1a ]--- [ 50.659428][ T4801] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 50.660831][ T4801] BTRFS info (device loop0): forced readonly [ 50.856255][ T4824] loop0: detected capacity change from 0 to 32768 [ 50.861391][ T4824] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4824) [ 50.869183][ T4824] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.870825][ T4824] BTRFS info (device loop0): using free space tree [ 50.871836][ T4824] BTRFS info (device loop0): has skinny extents [ 50.890611][ T4824] BTRFS info (device loop0): enabling ssd optimizations [ 50.894895][ T4824] FAULT_INJECTION: forcing a failure. [ 50.894895][ T4824] name failslab, interval 1, probability 0, space 0, times 0 [ 50.896955][ T4824] CPU: 0 PID: 4824 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.898475][ T4824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.900007][ T4824] Call trace: [ 50.900529][ T4824] dump_backtrace+0x0/0x458 [ 50.901254][ T4824] show_stack+0x2c/0x3c [ 50.901813][ T4824] __dump_stack+0x30/0x40 [ 50.902490][ T4824] dump_stack_lvl+0xf4/0x15c [ 50.903251][ T4824] dump_stack+0x1c/0x5c [ 50.903913][ T4824] should_fail+0x3bc/0x514 [ 50.904598][ T4824] __should_failslab+0xbc/0x10c [ 50.905351][ T4824] should_failslab+0x10/0x28 [ 50.906058][ T4824] slab_pre_alloc_hook+0x64/0xe8 [ 50.906807][ T4824] kmem_cache_alloc+0x94/0x3d4 [ 50.907521][ T4824] start_transaction+0x4d0/0x13ec [ 50.908346][ T4824] btrfs_start_transaction+0x34/0x44 [ 50.909145][ T4824] btrfs_quota_enable+0x1d0/0x1674 [ 50.909938][ T4824] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 50.910761][ T4824] btrfs_ioctl+0x96c/0xa8c [ 50.911444][ T4824] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.912145][ T4824] invoke_syscall+0x98/0x2b0 [ 50.912821][ T4824] el0_svc_common+0x138/0x258 [ 50.913509][ T4824] do_el0_svc+0x58/0x13c [ 50.914173][ T4824] el0_svc+0x78/0x1d0 [ 50.914762][ T4824] el0t_64_sync_handler+0xcc/0xe4 [ 50.915548][ T4824] el0t_64_sync+0x1a0/0x1a4 [ 51.116605][ T4845] loop0: detected capacity change from 0 to 32768 [ 51.119150][ T4845] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4845) [ 51.122373][ T4845] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.123957][ T4845] BTRFS info (device loop0): using free space tree [ 51.124914][ T4845] BTRFS info (device loop0): has skinny extents [ 51.138825][ T4845] BTRFS info (device loop0): enabling ssd optimizations [ 51.149906][ T4845] FAULT_INJECTION: forcing a failure. [ 51.149906][ T4845] name failslab, interval 1, probability 0, space 0, times 0 [ 51.151988][ T4845] CPU: 0 PID: 4845 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.153526][ T4845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.154991][ T4845] Call trace: [ 51.155465][ T4845] dump_backtrace+0x0/0x458 [ 51.156075][ T4845] show_stack+0x2c/0x3c [ 51.156654][ T4845] __dump_stack+0x30/0x40 [ 51.157255][ T4845] dump_stack_lvl+0xf4/0x15c [ 51.157927][ T4845] dump_stack+0x1c/0x5c [ 51.158577][ T4845] should_fail+0x3bc/0x514 [ 51.159198][ T4845] __should_failslab+0xbc/0x10c [ 51.159885][ T4845] should_failslab+0x10/0x28 [ 51.160646][ T4845] slab_pre_alloc_hook+0x64/0xe8 [ 51.161385][ T4845] kmem_cache_alloc+0x94/0x3d4 [ 51.162072][ T4845] start_transaction+0x4d0/0x13ec [ 51.162833][ T4845] btrfs_start_transaction+0x34/0x44 [ 51.163585][ T4845] btrfs_quota_enable+0x1d0/0x1674 [ 51.164322][ T4845] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.165116][ T4845] btrfs_ioctl+0x96c/0xa8c [ 51.165785][ T4845] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.166536][ T4845] invoke_syscall+0x98/0x2b0 [ 51.167268][ T4845] el0_svc_common+0x138/0x258 [ 51.167948][ T4845] do_el0_svc+0x58/0x13c [ 51.168599][ T4845] el0_svc+0x78/0x1d0 [ 51.169127][ T4845] el0t_64_sync_handler+0xcc/0xe4 [ 51.169903][ T4845] el0t_64_sync+0x1a0/0x1a4 [ 51.288013][ T4492] Bluetooth: hci0: command 0x041b tx timeout [ 51.357918][ T4866] loop0: detected capacity change from 0 to 32768 [ 51.360334][ T4866] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4866) [ 51.364168][ T4866] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.366053][ T4866] BTRFS info (device loop0): using free space tree [ 51.367040][ T4866] BTRFS info (device loop0): has skinny extents [ 51.391426][ T4866] BTRFS info (device loop0): enabling ssd optimizations [ 51.395281][ T4866] FAULT_INJECTION: forcing a failure. [ 51.395281][ T4866] name failslab, interval 1, probability 0, space 0, times 0 [ 51.397400][ T4866] CPU: 1 PID: 4866 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.398769][ T4866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.400342][ T4866] Call trace: [ 51.400863][ T4866] dump_backtrace+0x0/0x458 [ 51.401577][ T4866] show_stack+0x2c/0x3c [ 51.402200][ T4866] __dump_stack+0x30/0x40 [ 51.402933][ T4866] dump_stack_lvl+0xf4/0x15c [ 51.403648][ T4866] dump_stack+0x1c/0x5c [ 51.404332][ T4866] should_fail+0x3bc/0x514 [ 51.404998][ T4866] __should_failslab+0xbc/0x10c [ 51.405723][ T4866] should_failslab+0x10/0x28 [ 51.406382][ T4866] slab_pre_alloc_hook+0x64/0xe8 [ 51.407225][ T4866] kmem_cache_alloc+0x94/0x3d4 [ 51.407979][ T4866] start_transaction+0x4d0/0x13ec [ 51.408801][ T4866] btrfs_start_transaction+0x34/0x44 [ 51.409637][ T4866] btrfs_quota_enable+0x1d0/0x1674 [ 51.410470][ T4866] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.411312][ T4866] btrfs_ioctl+0x96c/0xa8c [ 51.411997][ T4866] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.412769][ T4866] invoke_syscall+0x98/0x2b0 [ 51.413467][ T4866] el0_svc_common+0x138/0x258 [ 51.414161][ T4866] do_el0_svc+0x58/0x13c [ 51.414749][ T4866] el0_svc+0x78/0x1d0 [ 51.415320][ T4866] el0t_64_sync_handler+0xcc/0xe4 [ 51.416026][ T4866] el0t_64_sync+0x1a0/0x1a4 [ 51.614643][ T4887] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4887) [ 51.618378][ T4887] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.620090][ T4887] BTRFS info (device loop0): using free space tree [ 51.621037][ T4887] BTRFS info (device loop0): has skinny extents [ 51.633429][ T4887] BTRFS info (device loop0): enabling ssd optimizations [ 51.636993][ T4887] FAULT_INJECTION: forcing a failure. [ 51.636993][ T4887] name failslab, interval 1, probability 0, space 0, times 0 [ 51.639382][ T4887] CPU: 0 PID: 4887 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.640780][ T4887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.642417][ T4887] Call trace: [ 51.642933][ T4887] dump_backtrace+0x0/0x458 [ 51.643634][ T4887] show_stack+0x2c/0x3c [ 51.644319][ T4887] __dump_stack+0x30/0x40 [ 51.645085][ T4887] dump_stack_lvl+0xf4/0x15c [ 51.645772][ T4887] dump_stack+0x1c/0x5c [ 51.646396][ T4887] should_fail+0x3bc/0x514 [ 51.647048][ T4887] __should_failslab+0xbc/0x10c [ 51.647785][ T4887] should_failslab+0x10/0x28 [ 51.648466][ T4887] slab_pre_alloc_hook+0x64/0xe8 [ 51.649235][ T4887] kmem_cache_alloc_trace+0x98/0x3ec [ 51.650021][ T4887] btrfs_alloc_root+0x8c/0x97c [ 51.650727][ T4887] btrfs_create_tree+0x110/0x998 [ 51.651492][ T4887] btrfs_quota_enable+0x37c/0x1674 [ 51.652278][ T4887] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.653104][ T4887] btrfs_ioctl+0x96c/0xa8c [ 51.653766][ T4887] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.654507][ T4887] invoke_syscall+0x98/0x2b0 [ 51.655207][ T4887] el0_svc_common+0x138/0x258 [ 51.655955][ T4887] do_el0_svc+0x58/0x13c [ 51.656579][ T4887] el0_svc+0x78/0x1d0 [ 51.657225][ T4887] el0t_64_sync_handler+0xcc/0xe4 [ 51.658001][ T4887] el0t_64_sync+0x1a0/0x1a4 [ 51.659422][ T4887] ------------[ cut here ]------------ [ 51.660321][ T4887] WARNING: CPU: 0 PID: 4887 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 51.661802][ T4887] Modules linked in: [ 51.662437][ T4887] CPU: 0 PID: 4887 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.663822][ T4887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.665234][ T4887] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.666429][ T4887] pc : btrfs_quota_enable+0xff8/0x1674 [ 51.667199][ T4887] lr : btrfs_quota_enable+0xff8/0x1674 [ 51.668018][ T4887] sp : ffff80001fff7ae0 [ 51.668637][ T4887] x29: ffff80001fff7c40 x28: 0000000000001798 x27: ffff700003ffef6c [ 51.669865][ T4887] x26: ffff0000de57e630 x25: ffff0000da234000 x24: fffffffffffffff4 [ 51.671034][ T4887] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de57e688 [ 51.672217][ T4887] x20: 1fffe0001bcafcd1 x19: ffff0000c97a8000 x18: 0000000000000001 [ 51.673429][ T4887] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 51.674591][ T4887] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 51.675794][ T4887] x11: 0000000000000000 x10: 0000000000000000 x9 : 61b1c223f8a47d00 [ 51.676989][ T4887] x8 : 61b1c223f8a47d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.678270][ T4887] x5 : ffff80001fff73f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 51.679474][ T4887] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.680620][ T4887] Call trace: [ 51.681086][ T4887] btrfs_quota_enable+0xff8/0x1674 [ 51.681930][ T4887] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.682725][ T4887] btrfs_ioctl+0x96c/0xa8c [ 51.683426][ T4887] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.684145][ T4887] invoke_syscall+0x98/0x2b0 [ 51.684831][ T4887] el0_svc_common+0x138/0x258 [ 51.685516][ T4887] do_el0_svc+0x58/0x13c [ 51.686197][ T4887] el0_svc+0x78/0x1d0 [ 51.686811][ T4887] el0t_64_sync_handler+0xcc/0xe4 [ 51.687625][ T4887] el0t_64_sync+0x1a0/0x1a4 [ 51.688306][ T4887] irq event stamp: 79244 [ 51.688908][ T4887] hardirqs last enabled at (79243): [] __up_console_sem+0xb4/0xfc [ 51.690379][ T4887] hardirqs last disabled at (79244): [] el1_dbg+0x24/0x80 [ 51.691670][ T4887] softirqs last enabled at (79224): [] handle_softirqs+0xa40/0xbe4 [ 51.693209][ T4887] softirqs last disabled at (79143): [] __irq_exit_rcu+0x240/0x43c [ 51.694668][ T4887] ---[ end trace 4a03e26720d37b1b ]--- [ 51.696480][ T4887] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 51.698190][ T4887] BTRFS info (device loop0): forced readonly [ 51.884569][ T4908] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4908) [ 51.889135][ T4908] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.890817][ T4908] BTRFS info (device loop0): using free space tree [ 51.891852][ T4908] BTRFS info (device loop0): has skinny extents [ 51.899721][ T4908] BTRFS info (device loop0): enabling ssd optimizations [ 51.903072][ T4908] FAULT_INJECTION: forcing a failure. [ 51.903072][ T4908] name failslab, interval 1, probability 0, space 0, times 0 [ 51.905056][ T4908] CPU: 0 PID: 4908 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.906413][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.907889][ T4908] Call trace: [ 51.908379][ T4908] dump_backtrace+0x0/0x458 [ 51.909115][ T4908] show_stack+0x2c/0x3c [ 51.909735][ T4908] __dump_stack+0x30/0x40 [ 51.910379][ T4908] dump_stack_lvl+0xf4/0x15c [ 51.911043][ T4908] dump_stack+0x1c/0x5c [ 51.911666][ T4908] should_fail+0x3bc/0x514 [ 51.912306][ T4908] __should_failslab+0xbc/0x10c [ 51.913036][ T4908] should_failslab+0x10/0x28 [ 51.913685][ T4908] slab_pre_alloc_hook+0x64/0xe8 [ 51.914404][ T4908] kmem_cache_alloc_trace+0x98/0x3ec [ 51.915192][ T4908] btrfs_alloc_root+0x8c/0x97c [ 51.915842][ T4908] btrfs_create_tree+0x110/0x998 [ 51.916607][ T4908] btrfs_quota_enable+0x37c/0x1674 [ 51.917416][ T4908] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.918164][ T4908] btrfs_ioctl+0x96c/0xa8c [ 51.918793][ T4908] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.919509][ T4908] invoke_syscall+0x98/0x2b0 [ 51.920171][ T4908] el0_svc_common+0x138/0x258 [ 51.920868][ T4908] do_el0_svc+0x58/0x13c [ 51.921474][ T4908] el0_svc+0x78/0x1d0 [ 51.922064][ T4908] el0t_64_sync_handler+0xcc/0xe4 [ 51.922741][ T4908] el0t_64_sync+0x1a0/0x1a4 [ 51.923882][ T4908] ------------[ cut here ]------------ [ 51.924851][ T4908] WARNING: CPU: 0 PID: 4908 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 51.926266][ T4908] Modules linked in: [ 51.926836][ T4908] CPU: 0 PID: 4908 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.928188][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.929571][ T4908] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.930656][ T4908] pc : btrfs_quota_enable+0xff8/0x1674 [ 51.931405][ T4908] lr : btrfs_quota_enable+0xff8/0x1674 [ 51.932120][ T4908] sp : ffff800020017ae0 [ 51.932758][ T4908] x29: ffff800020017c40 x28: 0000000000001798 x27: ffff700004002f6c [ 51.933919][ T4908] x26: ffff0000de57e790 x25: ffff0000ddae8000 x24: fffffffffffffff4 [ 51.935030][ T4908] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de57e7e8 [ 51.936203][ T4908] x20: 1fffe0001bcafcfd x19: ffff0000dcbec000 x18: 0000000000000001 [ 51.937336][ T4908] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 51.938767][ T4908] x14: 0000000000000001 x13: 1ffff00004002e7c x12: 0000000000ff0100 [ 51.940113][ T4908] x11: 0000000000000000 x10: 0000000000000000 x9 : 449a0354ffa9ea00 [ 51.941448][ T4908] x8 : 449a0354ffa9ea00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.942715][ T4908] x5 : ffff8000200173f8 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 51.943996][ T4908] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.945290][ T4908] Call trace: [ 51.945788][ T4908] btrfs_quota_enable+0xff8/0x1674 [ 51.946573][ T4908] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 51.947373][ T4908] btrfs_ioctl+0x96c/0xa8c [ 51.948021][ T4908] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.948801][ T4908] invoke_syscall+0x98/0x2b0 [ 51.949493][ T4908] el0_svc_common+0x138/0x258 [ 51.950262][ T4908] do_el0_svc+0x58/0x13c [ 51.950852][ T4908] el0_svc+0x78/0x1d0 [ 51.951462][ T4908] el0t_64_sync_handler+0xcc/0xe4 [ 51.952217][ T4908] el0t_64_sync+0x1a0/0x1a4 [ 51.952993][ T4908] irq event stamp: 79830 [ 51.953595][ T4908] hardirqs last enabled at (79829): [] __up_console_sem+0xb4/0xfc [ 51.954964][ T4908] hardirqs last disabled at (79830): [] el1_dbg+0x24/0x80 [ 51.956273][ T4908] softirqs last enabled at (79810): [] handle_softirqs+0xa40/0xbe4 [ 51.957701][ T4908] softirqs last disabled at (79781): [] __irq_exit_rcu+0x240/0x43c [ 51.959030][ T4908] ---[ end trace 4a03e26720d37b1c ]--- [ 51.960255][ T4908] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 51.961638][ T4908] BTRFS info (device loop0): forced readonly [ 52.179241][ T4929] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4929) [ 52.189840][ T4929] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.191487][ T4929] BTRFS info (device loop0): using free space tree [ 52.192561][ T4929] BTRFS info (device loop0): has skinny extents [ 52.214180][ T4929] BTRFS info (device loop0): enabling ssd optimizations [ 52.218480][ T4929] FAULT_INJECTION: forcing a failure. [ 52.218480][ T4929] name failslab, interval 1, probability 0, space 0, times 0 [ 52.220410][ T4929] CPU: 1 PID: 4929 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.221838][ T4929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.223428][ T4929] Call trace: [ 52.223918][ T4929] dump_backtrace+0x0/0x458 [ 52.224628][ T4929] show_stack+0x2c/0x3c [ 52.225267][ T4929] __dump_stack+0x30/0x40 [ 52.225882][ T4929] dump_stack_lvl+0xf4/0x15c [ 52.226494][ T4929] dump_stack+0x1c/0x5c [ 52.227143][ T4929] should_fail+0x3bc/0x514 [ 52.227816][ T4929] __should_failslab+0xbc/0x10c [ 52.228547][ T4929] should_failslab+0x10/0x28 [ 52.229316][ T4929] slab_pre_alloc_hook+0x64/0xe8 [ 52.230089][ T4929] kmem_cache_alloc_trace+0x98/0x3ec [ 52.230920][ T4929] btrfs_alloc_root+0x8c/0x97c [ 52.231596][ T4929] btrfs_create_tree+0x110/0x998 [ 52.232351][ T4929] btrfs_quota_enable+0x37c/0x1674 [ 52.233131][ T4929] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.233976][ T4929] btrfs_ioctl+0x96c/0xa8c [ 52.234616][ T4929] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.235383][ T4929] invoke_syscall+0x98/0x2b0 [ 52.236108][ T4929] el0_svc_common+0x138/0x258 [ 52.236822][ T4929] do_el0_svc+0x58/0x13c [ 52.237435][ T4929] el0_svc+0x78/0x1d0 [ 52.238085][ T4929] el0t_64_sync_handler+0xcc/0xe4 [ 52.238970][ T4929] el0t_64_sync+0x1a0/0x1a4 [ 52.252841][ T4929] ------------[ cut here ]------------ [ 52.253990][ T4929] WARNING: CPU: 1 PID: 4929 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 52.255650][ T4929] Modules linked in: [ 52.256289][ T4929] CPU: 1 PID: 4929 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.257848][ T4929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.259555][ T4929] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.260856][ T4929] pc : btrfs_quota_enable+0xff8/0x1674 [ 52.261757][ T4929] lr : btrfs_quota_enable+0xff8/0x1674 [ 52.262645][ T4929] sp : ffff800020317ae0 [ 52.263302][ T4929] x29: ffff800020317c40 x28: 0000000000001798 x27: ffff700004062f6c [ 52.264533][ T4929] x26: ffff0000de7c6bb0 x25: ffff0000e28be000 x24: fffffffffffffff4 [ 52.265795][ T4929] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de7c6c08 [ 52.266992][ T4929] x20: 1fffe0001bcf8d81 x19: ffff0000d9764000 x18: 0000000000000001 [ 52.268213][ T4929] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 52.269437][ T4929] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 52.270640][ T4929] x11: 0000000000000000 x10: 0000000000000000 x9 : be900db27970e900 [ 52.271997][ T4929] x8 : be900db27970e900 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.273171][ T4929] x5 : ffff8000203173f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 52.274415][ T4929] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.275713][ T4929] Call trace: [ 52.276187][ T4929] btrfs_quota_enable+0xff8/0x1674 [ 52.276946][ T4929] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.277806][ T4929] btrfs_ioctl+0x96c/0xa8c [ 52.278526][ T4929] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.279311][ T4929] invoke_syscall+0x98/0x2b0 [ 52.279999][ T4929] el0_svc_common+0x138/0x258 [ 52.280770][ T4929] do_el0_svc+0x58/0x13c [ 52.281470][ T4929] el0_svc+0x78/0x1d0 [ 52.282106][ T4929] el0t_64_sync_handler+0xcc/0xe4 [ 52.282910][ T4929] el0t_64_sync+0x1a0/0x1a4 [ 52.283648][ T4929] irq event stamp: 80330 [ 52.284284][ T4929] hardirqs last enabled at (80329): [] __up_console_sem+0xb4/0xfc [ 52.285667][ T4929] hardirqs last disabled at (80330): [] el1_dbg+0x24/0x80 [ 52.286929][ T4929] softirqs last enabled at (80310): [] handle_softirqs+0xa40/0xbe4 [ 52.288370][ T4929] softirqs last disabled at (80301): [] __irq_exit_rcu+0x240/0x43c [ 52.289833][ T4929] ---[ end trace 4a03e26720d37b1d ]--- [ 52.291671][ T4929] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 52.293234][ T4929] BTRFS info (device loop0): forced readonly 1970/01/01 00:00:52 executed programs: 13 [ 52.499484][ T4950] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4950) [ 52.507763][ T4950] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.509533][ T4950] BTRFS info (device loop0): using free space tree [ 52.510723][ T4950] BTRFS info (device loop0): has skinny extents [ 52.524377][ T4950] BTRFS info (device loop0): enabling ssd optimizations [ 52.528869][ T4950] FAULT_INJECTION: forcing a failure. [ 52.528869][ T4950] name failslab, interval 1, probability 0, space 0, times 0 [ 52.531067][ T4950] CPU: 0 PID: 4950 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.532424][ T4950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.533998][ T4950] Call trace: [ 52.534477][ T4950] dump_backtrace+0x0/0x458 [ 52.535158][ T4950] show_stack+0x2c/0x3c [ 52.535777][ T4950] __dump_stack+0x30/0x40 [ 52.536428][ T4950] dump_stack_lvl+0xf4/0x15c [ 52.537138][ T4950] dump_stack+0x1c/0x5c [ 52.537735][ T4950] should_fail+0x3bc/0x514 [ 52.538408][ T4950] __should_failslab+0xbc/0x10c [ 52.539160][ T4950] should_failslab+0x10/0x28 [ 52.539860][ T4950] slab_pre_alloc_hook+0x64/0xe8 [ 52.540551][ T4950] kmem_cache_alloc+0x94/0x3d4 [ 52.541212][ T4950] start_transaction+0x4d0/0x13ec [ 52.541973][ T4950] btrfs_start_transaction+0x34/0x44 [ 52.542783][ T4950] btrfs_quota_enable+0x1d0/0x1674 [ 52.543562][ T4950] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.544334][ T4950] btrfs_ioctl+0x96c/0xa8c [ 52.545087][ T4950] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.545885][ T4950] invoke_syscall+0x98/0x2b0 [ 52.546592][ T4950] el0_svc_common+0x138/0x258 [ 52.547285][ T4950] do_el0_svc+0x58/0x13c [ 52.547916][ T4950] el0_svc+0x78/0x1d0 [ 52.548502][ T4950] el0t_64_sync_handler+0xcc/0xe4 [ 52.549236][ T4950] el0t_64_sync+0x1a0/0x1a4 [ 52.726867][ T4971] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4971) [ 52.731268][ T4971] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.732932][ T4971] BTRFS info (device loop0): using free space tree [ 52.734085][ T4971] BTRFS info (device loop0): has skinny extents [ 52.745513][ T4971] BTRFS info (device loop0): enabling ssd optimizations [ 52.749755][ T4971] FAULT_INJECTION: forcing a failure. [ 52.749755][ T4971] name failslab, interval 1, probability 0, space 0, times 0 [ 52.751986][ T4971] CPU: 0 PID: 4971 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.753333][ T4971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.754863][ T4971] Call trace: [ 52.755384][ T4971] dump_backtrace+0x0/0x458 [ 52.756112][ T4971] show_stack+0x2c/0x3c [ 52.756795][ T4971] __dump_stack+0x30/0x40 [ 52.757417][ T4971] dump_stack_lvl+0xf4/0x15c [ 52.758116][ T4971] dump_stack+0x1c/0x5c [ 52.758735][ T4971] should_fail+0x3bc/0x514 [ 52.759460][ T4971] __should_failslab+0xbc/0x10c [ 52.760206][ T4971] should_failslab+0x10/0x28 [ 52.760881][ T4971] slab_pre_alloc_hook+0x64/0xe8 [ 52.761581][ T4971] kmem_cache_alloc_trace+0x98/0x3ec [ 52.762436][ T4971] btrfs_alloc_root+0x8c/0x97c [ 52.763136][ T4971] btrfs_create_tree+0x110/0x998 [ 52.763878][ T4971] btrfs_quota_enable+0x37c/0x1674 [ 52.764619][ T4971] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.765383][ T4971] btrfs_ioctl+0x96c/0xa8c [ 52.766011][ T4971] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.766775][ T4971] invoke_syscall+0x98/0x2b0 [ 52.767485][ T4971] el0_svc_common+0x138/0x258 [ 52.768205][ T4971] do_el0_svc+0x58/0x13c [ 52.768835][ T4971] el0_svc+0x78/0x1d0 [ 52.769493][ T4971] el0t_64_sync_handler+0xcc/0xe4 [ 52.770303][ T4971] el0t_64_sync+0x1a0/0x1a4 [ 52.773108][ T4971] ------------[ cut here ]------------ [ 52.774054][ T4971] WARNING: CPU: 0 PID: 4971 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 52.775410][ T4971] Modules linked in: [ 52.776014][ T4971] CPU: 0 PID: 4971 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.777365][ T4971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.778836][ T4971] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.779960][ T4971] pc : btrfs_quota_enable+0xff8/0x1674 [ 52.780808][ T4971] lr : btrfs_quota_enable+0xff8/0x1674 [ 52.781592][ T4971] sp : ffff800020467ae0 [ 52.782255][ T4971] x29: ffff800020467c40 x28: 0000000000001798 x27: ffff70000408cf6c [ 52.783663][ T4971] x26: ffff0000de57eb00 x25: ffff0000c92e6000 x24: fffffffffffffff4 [ 52.785006][ T4971] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de57eb58 [ 52.786260][ T4971] x20: 1fffe0001bcafd6b x19: ffff0000daa7c000 x18: 0000000000000001 [ 52.787503][ T4971] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 52.788739][ T4971] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 52.789895][ T4971] x11: 0000000000000000 x10: 0000000000000000 x9 : 13cfb50606b9ff00 [ 52.791123][ T4971] x8 : 13cfb50606b9ff00 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.792301][ T4971] x5 : ffff8000204673f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 52.793489][ T4971] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.794720][ T4971] Call trace: [ 52.795182][ T4971] btrfs_quota_enable+0xff8/0x1674 [ 52.795999][ T4971] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 52.796823][ T4971] btrfs_ioctl+0x96c/0xa8c [ 52.797457][ T4971] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.798230][ T4971] invoke_syscall+0x98/0x2b0 [ 52.798855][ T4971] el0_svc_common+0x138/0x258 [ 52.799514][ T4971] do_el0_svc+0x58/0x13c [ 52.800120][ T4971] el0_svc+0x78/0x1d0 [ 52.800696][ T4971] el0t_64_sync_handler+0xcc/0xe4 [ 52.801446][ T4971] el0t_64_sync+0x1a0/0x1a4 [ 52.802101][ T4971] irq event stamp: 80276 [ 52.802674][ T4971] hardirqs last enabled at (80275): [] __up_console_sem+0xb4/0xfc [ 52.804117][ T4971] hardirqs last disabled at (80276): [] el1_dbg+0x24/0x80 [ 52.805457][ T4971] softirqs last enabled at (80256): [] handle_softirqs+0xa40/0xbe4 [ 52.806865][ T4971] softirqs last disabled at (80215): [] __irq_exit_rcu+0x240/0x43c [ 52.808183][ T4971] ---[ end trace 4a03e26720d37b1e ]--- [ 52.810164][ T4971] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 52.811692][ T4971] BTRFS info (device loop0): forced readonly [ 53.000686][ T4992] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4992) [ 53.008726][ T4992] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.010976][ T4992] BTRFS info (device loop0): using free space tree [ 53.012062][ T4992] BTRFS info (device loop0): has skinny extents [ 53.029927][ T4992] BTRFS info (device loop0): enabling ssd optimizations [ 53.034236][ T4992] FAULT_INJECTION: forcing a failure. [ 53.034236][ T4992] name failslab, interval 1, probability 0, space 0, times 0 [ 53.036420][ T4992] CPU: 1 PID: 4992 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.037773][ T4992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.039353][ T4992] Call trace: [ 53.039818][ T4992] dump_backtrace+0x0/0x458 [ 53.040492][ T4992] show_stack+0x2c/0x3c [ 53.041165][ T4992] __dump_stack+0x30/0x40 [ 53.041823][ T4992] dump_stack_lvl+0xf4/0x15c [ 53.042664][ T4992] dump_stack+0x1c/0x5c [ 53.043339][ T4992] should_fail+0x3bc/0x514 [ 53.044049][ T4992] __should_failslab+0xbc/0x10c [ 53.044756][ T4992] should_failslab+0x10/0x28 [ 53.045464][ T4992] slab_pre_alloc_hook+0x64/0xe8 [ 53.046147][ T4992] kmem_cache_alloc_trace+0x98/0x3ec [ 53.046943][ T4992] btrfs_alloc_root+0x8c/0x97c [ 53.047623][ T4992] btrfs_create_tree+0x110/0x998 [ 53.048337][ T4992] btrfs_quota_enable+0x37c/0x1674 [ 53.049023][ T4992] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.049794][ T4992] btrfs_ioctl+0x96c/0xa8c [ 53.050456][ T4992] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.051175][ T4992] invoke_syscall+0x98/0x2b0 [ 53.051847][ T4992] el0_svc_common+0x138/0x258 [ 53.052461][ T4992] do_el0_svc+0x58/0x13c [ 53.053030][ T4992] el0_svc+0x78/0x1d0 [ 53.053597][ T4992] el0t_64_sync_handler+0xcc/0xe4 [ 53.054354][ T4992] el0t_64_sync+0x1a0/0x1a4 [ 53.056484][ T4992] ------------[ cut here ]------------ [ 53.057683][ T4992] WARNING: CPU: 1 PID: 4992 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 53.059246][ T4992] Modules linked in: [ 53.059890][ T4992] CPU: 1 PID: 4992 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.061403][ T4992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.063000][ T4992] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.064235][ T4992] pc : btrfs_quota_enable+0xff8/0x1674 [ 53.065070][ T4992] lr : btrfs_quota_enable+0xff8/0x1674 [ 53.065903][ T4992] sp : ffff800020657ae0 [ 53.066513][ T4992] x29: ffff800020657c40 x28: 0000000000001798 x27: ffff7000040caf6c [ 53.067728][ T4992] x26: ffff0000de7c60b0 x25: ffff0000d885c000 x24: fffffffffffffff4 [ 53.068944][ T4992] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de7c6108 [ 53.070183][ T4992] x20: 1fffe0001bcf8c21 x19: ffff0000d12d8000 x18: 0000000000000002 [ 53.071470][ T4992] x17: 0000000040000000 x16: ffff800011254fd8 x15: 0000000000000002 [ 53.072724][ T4992] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 53.073977][ T4992] x11: 0000000000000000 x10: 0000000000000000 x9 : d387f6437492a600 [ 53.075261][ T4992] x8 : d387f6437492a600 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.076465][ T4992] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008508fa8 [ 53.077790][ T4992] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.079020][ T4992] Call trace: [ 53.079526][ T4992] btrfs_quota_enable+0xff8/0x1674 [ 53.080316][ T4992] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.081167][ T4992] btrfs_ioctl+0x96c/0xa8c [ 53.081826][ T4992] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.082559][ T4992] invoke_syscall+0x98/0x2b0 [ 53.083275][ T4992] el0_svc_common+0x138/0x258 [ 53.083988][ T4992] do_el0_svc+0x58/0x13c [ 53.084634][ T4992] el0_svc+0x78/0x1d0 [ 53.085178][ T4992] el0t_64_sync_handler+0xcc/0xe4 [ 53.085938][ T4992] el0t_64_sync+0x1a0/0x1a4 [ 53.086612][ T4992] irq event stamp: 80912 [ 53.087221][ T4992] hardirqs last enabled at (80911): [] finish_lock_switch+0xb0/0x1c4 [ 53.088682][ T4992] hardirqs last disabled at (80912): [] el1_dbg+0x24/0x80 [ 53.090044][ T4992] softirqs last enabled at (80898): [] handle_softirqs+0xa40/0xbe4 [ 53.091510][ T4992] softirqs last disabled at (80717): [] __irq_exit_rcu+0x240/0x43c [ 53.092969][ T4992] ---[ end trace 4a03e26720d37b1f ]--- [ 53.094518][ T4992] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 53.095982][ T4992] BTRFS info (device loop0): forced readonly [ 53.305938][ T5013] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5013) [ 53.311682][ T5013] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.313179][ T5013] BTRFS info (device loop0): using free space tree [ 53.314145][ T5013] BTRFS info (device loop0): has skinny extents [ 53.325916][ T5013] BTRFS info (device loop0): enabling ssd optimizations [ 53.329635][ T5013] FAULT_INJECTION: forcing a failure. [ 53.329635][ T5013] name failslab, interval 1, probability 0, space 0, times 0 [ 53.331766][ T5013] CPU: 0 PID: 5013 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.333223][ T5013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.334812][ T5013] Call trace: [ 53.335338][ T5013] dump_backtrace+0x0/0x458 [ 53.336031][ T5013] show_stack+0x2c/0x3c [ 53.336659][ T5013] __dump_stack+0x30/0x40 [ 53.337347][ T5013] dump_stack_lvl+0xf4/0x15c [ 53.338058][ T5013] dump_stack+0x1c/0x5c [ 53.338738][ T5013] should_fail+0x3bc/0x514 [ 53.339395][ T5013] __should_failslab+0xbc/0x10c [ 53.340178][ T5013] should_failslab+0x10/0x28 [ 53.340882][ T5013] slab_pre_alloc_hook+0x64/0xe8 [ 53.341619][ T5013] kmem_cache_alloc_trace+0x98/0x3ec [ 53.342527][ T5013] btrfs_alloc_root+0x8c/0x97c [ 53.343232][ T5013] btrfs_create_tree+0x110/0x998 [ 53.343916][ T5013] btrfs_quota_enable+0x37c/0x1674 [ 53.344699][ T5013] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.345450][ T5013] btrfs_ioctl+0x96c/0xa8c [ 53.346164][ T5013] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.346873][ T5013] invoke_syscall+0x98/0x2b0 [ 53.347561][ T5013] el0_svc_common+0x138/0x258 [ 53.348238][ T5013] do_el0_svc+0x58/0x13c [ 53.348846][ T5013] el0_svc+0x78/0x1d0 [ 53.349457][ T5013] el0t_64_sync_handler+0xcc/0xe4 [ 53.350205][ T5013] el0t_64_sync+0x1a0/0x1a4 [ 53.351021][ T5013] ------------[ cut here ]------------ [ 53.352447][ T5013] WARNING: CPU: 0 PID: 5013 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 53.353810][ T5013] Modules linked in: [ 53.354391][ T5013] CPU: 0 PID: 5013 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.355710][ T5013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.357138][ T5013] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.358330][ T5013] pc : btrfs_quota_enable+0xff8/0x1674 [ 53.359147][ T5013] lr : btrfs_quota_enable+0xff8/0x1674 [ 53.360007][ T5013] sp : ffff800020497ae0 [ 53.360604][ T5013] x29: ffff800020497c40 x28: 0000000000001798 x27: ffff700004092f6c [ 53.361753][ T5013] x26: ffff0000de57ec60 x25: ffff0000cd026000 x24: fffffffffffffff4 [ 53.362957][ T5013] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de57ecb8 [ 53.364109][ T5013] x20: 1fffe0001bcafd97 x19: ffff0000d12d8000 x18: 0000000000000001 [ 53.365301][ T5013] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 53.366470][ T5013] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 53.367653][ T5013] x11: 0000000000000000 x10: 0000000000000000 x9 : 61068af9b9eb1a00 [ 53.368971][ T5013] x8 : 61068af9b9eb1a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.370105][ T5013] x5 : ffff8000204973f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 53.371222][ T5013] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.372394][ T5013] Call trace: [ 53.372869][ T5013] btrfs_quota_enable+0xff8/0x1674 [ 53.373604][ T5013] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.374390][ T5013] btrfs_ioctl+0x96c/0xa8c [ 53.375030][ T5013] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.375739][ T5013] invoke_syscall+0x98/0x2b0 [ 53.376380][ T5013] el0_svc_common+0x138/0x258 [ 53.377054][ T5013] do_el0_svc+0x58/0x13c [ 53.377671][ T5013] el0_svc+0x78/0x1d0 [ 53.378254][ T5013] el0t_64_sync_handler+0xcc/0xe4 [ 53.378995][ T5013] el0t_64_sync+0x1a0/0x1a4 [ 53.379634][ T5013] irq event stamp: 80408 [ 53.380224][ T5013] hardirqs last enabled at (80407): [] __up_console_sem+0xb4/0xfc [ 53.381600][ T5013] hardirqs last disabled at (80408): [] el1_dbg+0x24/0x80 [ 53.382881][ T5013] softirqs last enabled at (80384): [] handle_softirqs+0xa40/0xbe4 [ 53.384273][ T5013] softirqs last disabled at (80371): [] __irq_exit_rcu+0x240/0x43c [ 53.385581][ T5013] ---[ end trace 4a03e26720d37b20 ]--- [ 53.387387][ T5013] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 53.388129][ T1541] Bluetooth: hci0: command 0x040f tx timeout [ 53.388773][ T5013] BTRFS info (device loop0): forced readonly [ 53.597566][ T5034] set_capacity_and_notify: 7 callbacks suppressed [ 53.597575][ T5034] loop0: detected capacity change from 0 to 32768 [ 53.601892][ T5034] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5034) [ 53.604770][ T5034] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.606887][ T5034] BTRFS info (device loop0): using free space tree [ 53.608568][ T5034] BTRFS info (device loop0): has skinny extents [ 53.621182][ T5034] BTRFS info (device loop0): enabling ssd optimizations [ 53.625284][ T5034] FAULT_INJECTION: forcing a failure. [ 53.625284][ T5034] name failslab, interval 1, probability 0, space 0, times 0 [ 53.627709][ T5034] CPU: 1 PID: 5034 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.629224][ T5034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.630811][ T5034] Call trace: [ 53.631334][ T5034] dump_backtrace+0x0/0x458 [ 53.632059][ T5034] show_stack+0x2c/0x3c [ 53.632755][ T5034] __dump_stack+0x30/0x40 [ 53.633405][ T5034] dump_stack_lvl+0xf4/0x15c [ 53.634065][ T5034] dump_stack+0x1c/0x5c [ 53.634696][ T5034] should_fail+0x3bc/0x514 [ 53.635386][ T5034] __should_failslab+0xbc/0x10c [ 53.636171][ T5034] should_failslab+0x10/0x28 [ 53.636887][ T5034] slab_pre_alloc_hook+0x64/0xe8 [ 53.637643][ T5034] kmem_cache_alloc_trace+0x98/0x3ec [ 53.638462][ T5034] btrfs_alloc_root+0x8c/0x97c [ 53.639133][ T5034] btrfs_create_tree+0x110/0x998 [ 53.639857][ T5034] btrfs_quota_enable+0x37c/0x1674 [ 53.640633][ T5034] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.641456][ T5034] btrfs_ioctl+0x96c/0xa8c [ 53.642114][ T5034] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.642858][ T5034] invoke_syscall+0x98/0x2b0 [ 53.643583][ T5034] el0_svc_common+0x138/0x258 [ 53.644308][ T5034] do_el0_svc+0x58/0x13c [ 53.644997][ T5034] el0_svc+0x78/0x1d0 [ 53.645587][ T5034] el0t_64_sync_handler+0xcc/0xe4 [ 53.646316][ T5034] el0t_64_sync+0x1a0/0x1a4 [ 53.648492][ T5034] ------------[ cut here ]------------ [ 53.649472][ T5034] WARNING: CPU: 1 PID: 5034 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 53.650913][ T5034] Modules linked in: [ 53.651569][ T5034] CPU: 1 PID: 5034 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.652950][ T5034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.654410][ T5034] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.655547][ T5034] pc : btrfs_quota_enable+0xff8/0x1674 [ 53.656402][ T5034] lr : btrfs_quota_enable+0xff8/0x1674 [ 53.657192][ T5034] sp : ffff800020747ae0 [ 53.657847][ T5034] x29: ffff800020747c40 x28: 0000000000001798 x27: ffff7000040e8f6c [ 53.659076][ T5034] x26: ffff0000de7c6c60 x25: ffff0000c157a000 x24: fffffffffffffff4 [ 53.660277][ T5034] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de7c6cb8 [ 53.661475][ T5034] x20: 1fffe0001bcf8d97 x19: ffff0000c9bb0000 x18: 0000000000000001 [ 53.662691][ T5034] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 53.663836][ T5034] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 53.664994][ T5034] x11: 0000000000000000 x10: 0000000000000000 x9 : 5a6b1c2f6e555c00 [ 53.666223][ T5034] x8 : 5a6b1c2f6e555c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.667486][ T5034] x5 : ffff8000207473f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 53.668671][ T5034] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.669897][ T5034] Call trace: [ 53.670370][ T5034] btrfs_quota_enable+0xff8/0x1674 [ 53.671177][ T5034] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.671954][ T5034] btrfs_ioctl+0x96c/0xa8c [ 53.672552][ T5034] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.673316][ T5034] invoke_syscall+0x98/0x2b0 [ 53.674012][ T5034] el0_svc_common+0x138/0x258 [ 53.674731][ T5034] do_el0_svc+0x58/0x13c [ 53.675325][ T5034] el0_svc+0x78/0x1d0 [ 53.675891][ T5034] el0t_64_sync_handler+0xcc/0xe4 [ 53.676633][ T5034] el0t_64_sync+0x1a0/0x1a4 [ 53.677282][ T5034] irq event stamp: 81598 [ 53.677948][ T5034] hardirqs last enabled at (81597): [] __up_console_sem+0xb4/0xfc [ 53.679460][ T5034] hardirqs last disabled at (81598): [] el1_dbg+0x24/0x80 [ 53.680677][ T5034] softirqs last enabled at (81578): [] handle_softirqs+0xa40/0xbe4 [ 53.681994][ T5034] softirqs last disabled at (81561): [] __irq_exit_rcu+0x240/0x43c [ 53.683332][ T5034] ---[ end trace 4a03e26720d37b21 ]--- [ 53.684986][ T5034] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 53.686438][ T5034] BTRFS info (device loop0): forced readonly [ 53.872997][ T5055] loop0: detected capacity change from 0 to 32768 [ 53.875560][ T5055] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5055) [ 53.879989][ T5055] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.881662][ T5055] BTRFS info (device loop0): using free space tree [ 53.882559][ T5055] BTRFS info (device loop0): has skinny extents [ 53.890735][ T5055] BTRFS info (device loop0): enabling ssd optimizations [ 53.895253][ T5055] FAULT_INJECTION: forcing a failure. [ 53.895253][ T5055] name failslab, interval 1, probability 0, space 0, times 0 [ 53.897678][ T5055] CPU: 0 PID: 5055 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.899140][ T5055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.900701][ T5055] Call trace: [ 53.901186][ T5055] dump_backtrace+0x0/0x458 [ 53.901843][ T5055] show_stack+0x2c/0x3c [ 53.902511][ T5055] __dump_stack+0x30/0x40 [ 53.903211][ T5055] dump_stack_lvl+0xf4/0x15c [ 53.903929][ T5055] dump_stack+0x1c/0x5c [ 53.904589][ T5055] should_fail+0x3bc/0x514 [ 53.905302][ T5055] __should_failslab+0xbc/0x10c [ 53.906019][ T5055] should_failslab+0x10/0x28 [ 53.906741][ T5055] slab_pre_alloc_hook+0x64/0xe8 [ 53.907499][ T5055] kmem_cache_alloc+0x94/0x3d4 [ 53.908207][ T5055] start_transaction+0x4d0/0x13ec [ 53.909029][ T5055] btrfs_start_transaction+0x34/0x44 [ 53.909845][ T5055] btrfs_quota_enable+0x1d0/0x1674 [ 53.910568][ T5055] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 53.911360][ T5055] btrfs_ioctl+0x96c/0xa8c [ 53.912045][ T5055] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.912806][ T5055] invoke_syscall+0x98/0x2b0 [ 53.913498][ T5055] el0_svc_common+0x138/0x258 [ 53.914192][ T5055] do_el0_svc+0x58/0x13c [ 53.914805][ T5055] el0_svc+0x78/0x1d0 [ 53.915401][ T5055] el0t_64_sync_handler+0xcc/0xe4 [ 53.916095][ T5055] el0t_64_sync+0x1a0/0x1a4 [ 54.128101][ T5077] loop0: detected capacity change from 0 to 32768 [ 54.132940][ T5077] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5077) [ 54.137358][ T5077] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.139064][ T5077] BTRFS info (device loop0): using free space tree [ 54.140173][ T5077] BTRFS info (device loop0): has skinny extents [ 54.156862][ T5077] BTRFS info (device loop0): enabling ssd optimizations [ 54.160919][ T5077] FAULT_INJECTION: forcing a failure. [ 54.160919][ T5077] name failslab, interval 1, probability 0, space 0, times 0 [ 54.163201][ T5077] CPU: 1 PID: 5077 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.164689][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.166347][ T5077] Call trace: [ 54.166887][ T5077] dump_backtrace+0x0/0x458 [ 54.167577][ T5077] show_stack+0x2c/0x3c [ 54.168156][ T5077] __dump_stack+0x30/0x40 [ 54.168755][ T5077] dump_stack_lvl+0xf4/0x15c [ 54.169440][ T5077] dump_stack+0x1c/0x5c [ 54.170094][ T5077] should_fail+0x3bc/0x514 [ 54.170759][ T5077] __should_failslab+0xbc/0x10c [ 54.171441][ T5077] should_failslab+0x10/0x28 [ 54.172155][ T5077] slab_pre_alloc_hook+0x64/0xe8 [ 54.172867][ T5077] kmem_cache_alloc+0x94/0x3d4 [ 54.173531][ T5077] start_transaction+0x4d0/0x13ec [ 54.174309][ T5077] btrfs_start_transaction+0x34/0x44 [ 54.175150][ T5077] btrfs_quota_enable+0x1d0/0x1674 [ 54.175893][ T5077] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.176708][ T5077] btrfs_ioctl+0x96c/0xa8c [ 54.177345][ T5077] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.178054][ T5077] invoke_syscall+0x98/0x2b0 [ 54.178748][ T5077] el0_svc_common+0x138/0x258 [ 54.179482][ T5077] do_el0_svc+0x58/0x13c [ 54.180122][ T5077] el0_svc+0x78/0x1d0 [ 54.180769][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 54.181504][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 54.373824][ T5098] loop0: detected capacity change from 0 to 32768 [ 54.376426][ T5098] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5098) [ 54.380051][ T5098] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.381842][ T5098] BTRFS info (device loop0): using free space tree [ 54.382906][ T5098] BTRFS info (device loop0): has skinny extents [ 54.397604][ T5098] BTRFS info (device loop0): enabling ssd optimizations [ 54.401353][ T5098] FAULT_INJECTION: forcing a failure. [ 54.401353][ T5098] name failslab, interval 1, probability 0, space 0, times 0 [ 54.403504][ T5098] CPU: 1 PID: 5098 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.404884][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.406495][ T5098] Call trace: [ 54.406991][ T5098] dump_backtrace+0x0/0x458 [ 54.407697][ T5098] show_stack+0x2c/0x3c [ 54.408384][ T5098] __dump_stack+0x30/0x40 [ 54.409065][ T5098] dump_stack_lvl+0xf4/0x15c [ 54.409744][ T5098] dump_stack+0x1c/0x5c [ 54.410321][ T5098] should_fail+0x3bc/0x514 [ 54.410945][ T5098] __should_failslab+0xbc/0x10c [ 54.411682][ T5098] should_failslab+0x10/0x28 [ 54.412409][ T5098] slab_pre_alloc_hook+0x64/0xe8 [ 54.413110][ T5098] kmem_cache_alloc+0x94/0x3d4 [ 54.413818][ T5098] start_transaction+0x4d0/0x13ec [ 54.414554][ T5098] btrfs_start_transaction+0x34/0x44 [ 54.415350][ T5098] btrfs_quota_enable+0x1d0/0x1674 [ 54.416110][ T5098] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.416928][ T5098] btrfs_ioctl+0x96c/0xa8c [ 54.417580][ T5098] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.418366][ T5098] invoke_syscall+0x98/0x2b0 [ 54.419079][ T5098] el0_svc_common+0x138/0x258 [ 54.419887][ T5098] do_el0_svc+0x58/0x13c [ 54.420532][ T5098] el0_svc+0x78/0x1d0 [ 54.421088][ T5098] el0t_64_sync_handler+0xcc/0xe4 [ 54.421828][ T5098] el0t_64_sync+0x1a0/0x1a4 [ 54.631378][ T5119] loop0: detected capacity change from 0 to 32768 [ 54.633991][ T5119] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5119) [ 54.638810][ T5119] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.640397][ T5119] BTRFS info (device loop0): using free space tree [ 54.641516][ T5119] BTRFS info (device loop0): has skinny extents [ 54.649893][ T5119] BTRFS info (device loop0): enabling ssd optimizations [ 54.653009][ T5119] FAULT_INJECTION: forcing a failure. [ 54.653009][ T5119] name failslab, interval 1, probability 0, space 0, times 0 [ 54.655034][ T5119] CPU: 0 PID: 5119 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.656361][ T5119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.657937][ T5119] Call trace: [ 54.658430][ T5119] dump_backtrace+0x0/0x458 [ 54.659114][ T5119] show_stack+0x2c/0x3c [ 54.659769][ T5119] __dump_stack+0x30/0x40 [ 54.660459][ T5119] dump_stack_lvl+0xf4/0x15c [ 54.661194][ T5119] dump_stack+0x1c/0x5c [ 54.661833][ T5119] should_fail+0x3bc/0x514 [ 54.662607][ T5119] __should_failslab+0xbc/0x10c [ 54.663349][ T5119] should_failslab+0x10/0x28 [ 54.664051][ T5119] slab_pre_alloc_hook+0x64/0xe8 [ 54.664744][ T5119] kmem_cache_alloc+0x94/0x3d4 [ 54.665504][ T5119] start_transaction+0x4d0/0x13ec [ 54.666292][ T5119] btrfs_start_transaction+0x34/0x44 [ 54.667061][ T5119] btrfs_quota_enable+0x1d0/0x1674 [ 54.667852][ T5119] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.668641][ T5119] btrfs_ioctl+0x96c/0xa8c [ 54.669288][ T5119] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.670004][ T5119] invoke_syscall+0x98/0x2b0 [ 54.670663][ T5119] el0_svc_common+0x138/0x258 [ 54.671343][ T5119] do_el0_svc+0x58/0x13c [ 54.671938][ T5119] el0_svc+0x78/0x1d0 [ 54.672564][ T5119] el0t_64_sync_handler+0xcc/0xe4 [ 54.673315][ T5119] el0t_64_sync+0x1a0/0x1a4 [ 54.875966][ T5140] loop0: detected capacity change from 0 to 32768 [ 54.879966][ T5140] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5140) [ 54.885464][ T5140] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.887135][ T5140] BTRFS info (device loop0): using free space tree [ 54.888515][ T5140] BTRFS info (device loop0): has skinny extents [ 54.900452][ T5140] BTRFS info (device loop0): enabling ssd optimizations [ 54.904451][ T5140] FAULT_INJECTION: forcing a failure. [ 54.904451][ T5140] name failslab, interval 1, probability 0, space 0, times 0 [ 54.906399][ T5140] CPU: 0 PID: 5140 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.907924][ T5140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.909628][ T5140] Call trace: [ 54.910142][ T5140] dump_backtrace+0x0/0x458 [ 54.910889][ T5140] show_stack+0x2c/0x3c [ 54.911531][ T5140] __dump_stack+0x30/0x40 [ 54.912237][ T5140] dump_stack_lvl+0xf4/0x15c [ 54.912953][ T5140] dump_stack+0x1c/0x5c [ 54.913599][ T5140] should_fail+0x3bc/0x514 [ 54.914260][ T5140] __should_failslab+0xbc/0x10c [ 54.914945][ T5140] should_failslab+0x10/0x28 [ 54.915622][ T5140] slab_pre_alloc_hook+0x64/0xe8 [ 54.916386][ T5140] kmem_cache_alloc_trace+0x98/0x3ec [ 54.917125][ T5140] btrfs_alloc_root+0x8c/0x97c [ 54.917846][ T5140] btrfs_create_tree+0x110/0x998 [ 54.918514][ T5140] btrfs_quota_enable+0x37c/0x1674 [ 54.919276][ T5140] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.920114][ T5140] btrfs_ioctl+0x96c/0xa8c [ 54.920761][ T5140] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.921491][ T5140] invoke_syscall+0x98/0x2b0 [ 54.922192][ T5140] el0_svc_common+0x138/0x258 [ 54.922884][ T5140] do_el0_svc+0x58/0x13c [ 54.923504][ T5140] el0_svc+0x78/0x1d0 [ 54.924099][ T5140] el0t_64_sync_handler+0xcc/0xe4 [ 54.924868][ T5140] el0t_64_sync+0x1a0/0x1a4 [ 54.926767][ T5140] ------------[ cut here ]------------ [ 54.927803][ T5140] WARNING: CPU: 0 PID: 5140 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 54.929249][ T5140] Modules linked in: [ 54.929858][ T5140] CPU: 0 PID: 5140 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.931138][ T5140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.932585][ T5140] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.933696][ T5140] pc : btrfs_quota_enable+0xff8/0x1674 [ 54.934572][ T5140] lr : btrfs_quota_enable+0xff8/0x1674 [ 54.935476][ T5140] sp : ffff800021247ae0 [ 54.936110][ T5140] x29: ffff800021247c40 x28: 0000000000001798 x27: ffff700004248f6c [ 54.937324][ T5140] x26: ffff0000de57e0b0 x25: ffff0000c20cc000 x24: fffffffffffffff4 [ 54.938456][ T5140] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de57e108 [ 54.939663][ T5140] x20: 1fffe0001bcafc21 x19: ffff0000cc314000 x18: 0000000000000001 [ 54.940864][ T5140] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 54.942118][ T5140] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 54.943259][ T5140] x11: 0000000000000000 x10: 0000000000000000 x9 : d5f133da595bc700 [ 54.944513][ T5140] x8 : d5f133da595bc700 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.945629][ T5140] x5 : ffff8000212473f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 54.946763][ T5140] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.947945][ T5140] Call trace: [ 54.948393][ T5140] btrfs_quota_enable+0xff8/0x1674 [ 54.949165][ T5140] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 54.949929][ T5140] btrfs_ioctl+0x96c/0xa8c [ 54.950569][ T5140] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.951326][ T5140] invoke_syscall+0x98/0x2b0 [ 54.952057][ T5140] el0_svc_common+0x138/0x258 [ 54.952771][ T5140] do_el0_svc+0x58/0x13c [ 54.953444][ T5140] el0_svc+0x78/0x1d0 [ 54.954074][ T5140] el0t_64_sync_handler+0xcc/0xe4 [ 54.954813][ T5140] el0t_64_sync+0x1a0/0x1a4 [ 54.955478][ T5140] irq event stamp: 79462 [ 54.956062][ T5140] hardirqs last enabled at (79461): [] __up_console_sem+0xb4/0xfc [ 54.957463][ T5140] hardirqs last disabled at (79462): [] el1_dbg+0x24/0x80 [ 54.958690][ T5140] softirqs last enabled at (79450): [] handle_softirqs+0xa40/0xbe4 [ 54.960021][ T5140] softirqs last disabled at (79441): [] __irq_exit_rcu+0x240/0x43c [ 54.961446][ T5140] ---[ end trace 4a03e26720d37b22 ]--- [ 54.964394][ T5140] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 54.965829][ T5140] BTRFS info (device loop0): forced readonly [ 55.144171][ T5161] loop0: detected capacity change from 0 to 32768 [ 55.146690][ T5161] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5161) [ 55.150783][ T5161] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.152743][ T5161] BTRFS info (device loop0): using free space tree [ 55.153899][ T5161] BTRFS info (device loop0): has skinny extents [ 55.173363][ T5161] BTRFS info (device loop0): enabling ssd optimizations [ 55.178668][ T5161] FAULT_INJECTION: forcing a failure. [ 55.178668][ T5161] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 55.180871][ T5161] CPU: 0 PID: 5161 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.182207][ T5161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.183711][ T5161] Call trace: [ 55.184249][ T5161] dump_backtrace+0x0/0x458 [ 55.184863][ T5161] show_stack+0x2c/0x3c [ 55.185439][ T5161] __dump_stack+0x30/0x40 [ 55.186107][ T5161] dump_stack_lvl+0xf4/0x15c [ 55.186841][ T5161] dump_stack+0x1c/0x5c [ 55.187477][ T5161] should_fail+0x3bc/0x514 [ 55.188078][ T5161] should_fail_alloc_page+0x74/0xa8 [ 55.188906][ T5161] prepare_alloc_pages+0x160/0x45c [ 55.189682][ T5161] __alloc_pages+0x108/0x470 [ 55.190361][ T5161] alloc_pages+0x34c/0x5c0 [ 55.190955][ T5161] new_slab+0xe0/0x544 [ 55.191536][ T5161] ___slab_alloc+0x6b4/0xd8c [ 55.192200][ T5161] __slab_alloc+0x68/0xc0 [ 55.192874][ T5161] kmem_cache_alloc+0x2a4/0x3d4 [ 55.193566][ T5161] start_transaction+0x4d0/0x13ec [ 55.194256][ T5161] btrfs_start_transaction+0x34/0x44 [ 55.195041][ T5161] btrfs_quota_enable+0x1d0/0x1674 [ 55.195738][ T5161] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.196523][ T5161] btrfs_ioctl+0x96c/0xa8c [ 55.197220][ T5161] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.197954][ T5161] invoke_syscall+0x98/0x2b0 [ 55.198677][ T5161] el0_svc_common+0x138/0x258 [ 55.199393][ T5161] do_el0_svc+0x58/0x13c [ 55.200079][ T5161] el0_svc+0x78/0x1d0 [ 55.200688][ T5161] el0t_64_sync_handler+0xcc/0xe4 [ 55.201407][ T5161] el0t_64_sync+0x1a0/0x1a4 [ 55.219521][ T136] BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared) [ 55.423371][ T5182] loop0: detected capacity change from 0 to 32768 [ 55.425961][ T5182] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5182) [ 55.431234][ T5182] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.432687][ T5182] BTRFS info (device loop0): using free space tree [ 55.433603][ T5182] BTRFS info (device loop0): has skinny extents [ 55.447330][ T4069] Bluetooth: hci0: command 0x0419 tx timeout [ 55.452401][ T5182] BTRFS info (device loop0): enabling ssd optimizations [ 55.458765][ T5182] FAULT_INJECTION: forcing a failure. [ 55.458765][ T5182] name failslab, interval 1, probability 0, space 0, times 0 [ 55.460689][ T5182] CPU: 0 PID: 5182 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.461997][ T5182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.463469][ T5182] Call trace: [ 55.463966][ T5182] dump_backtrace+0x0/0x458 [ 55.464681][ T5182] show_stack+0x2c/0x3c [ 55.465323][ T5182] __dump_stack+0x30/0x40 [ 55.465957][ T5182] dump_stack_lvl+0xf4/0x15c [ 55.466588][ T5182] dump_stack+0x1c/0x5c [ 55.467203][ T5182] should_fail+0x3bc/0x514 [ 55.467847][ T5182] __should_failslab+0xbc/0x10c [ 55.468669][ T5182] should_failslab+0x10/0x28 [ 55.469423][ T5182] slab_pre_alloc_hook+0x64/0xe8 [ 55.470147][ T5182] kmem_cache_alloc_trace+0x98/0x3ec [ 55.470920][ T5182] btrfs_alloc_root+0x8c/0x97c [ 55.471694][ T5182] btrfs_create_tree+0x110/0x998 [ 55.472460][ T5182] btrfs_quota_enable+0x37c/0x1674 [ 55.473217][ T5182] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.474002][ T5182] btrfs_ioctl+0x96c/0xa8c [ 55.474636][ T5182] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.475384][ T5182] invoke_syscall+0x98/0x2b0 [ 55.476077][ T5182] el0_svc_common+0x138/0x258 [ 55.476806][ T5182] do_el0_svc+0x58/0x13c [ 55.477410][ T5182] el0_svc+0x78/0x1d0 [ 55.478019][ T5182] el0t_64_sync_handler+0xcc/0xe4 [ 55.478735][ T5182] el0t_64_sync+0x1a0/0x1a4 [ 55.481850][ T5182] ------------[ cut here ]------------ [ 55.482819][ T5182] WARNING: CPU: 0 PID: 5182 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 55.484284][ T5182] Modules linked in: [ 55.484895][ T5182] CPU: 0 PID: 5182 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.486303][ T5182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.487824][ T5182] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.489007][ T5182] pc : btrfs_quota_enable+0xff8/0x1674 [ 55.489784][ T5182] lr : btrfs_quota_enable+0xff8/0x1674 [ 55.490643][ T5182] sp : ffff800021247ae0 [ 55.491234][ T5182] x29: ffff800021247c40 x28: 0000000000001798 x27: ffff700004248f6c [ 55.492419][ T5182] x26: ffff0000dce762c0 x25: ffff0000d61f2000 x24: fffffffffffffff4 [ 55.493680][ T5182] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000dce76318 [ 55.494850][ T5182] x20: 1fffe0001b9cec63 x19: ffff0000d0dcc000 x18: 0000000000000001 [ 55.496088][ T5182] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 55.497256][ T5182] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 55.498506][ T5182] x11: 0000000000000000 x10: 0000000000000000 x9 : 81e937b9de9d6e00 [ 55.499792][ T5182] x8 : 81e937b9de9d6e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.500995][ T5182] x5 : ffff8000212473f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 55.502267][ T5182] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.503482][ T5182] Call trace: [ 55.503960][ T5182] btrfs_quota_enable+0xff8/0x1674 [ 55.504747][ T5182] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.505530][ T5182] btrfs_ioctl+0x96c/0xa8c [ 55.506279][ T5182] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.507015][ T5182] invoke_syscall+0x98/0x2b0 [ 55.507682][ T5182] el0_svc_common+0x138/0x258 [ 55.508359][ T5182] do_el0_svc+0x58/0x13c [ 55.508994][ T5182] el0_svc+0x78/0x1d0 [ 55.509618][ T5182] el0t_64_sync_handler+0xcc/0xe4 [ 55.510333][ T5182] el0t_64_sync+0x1a0/0x1a4 [ 55.511007][ T5182] irq event stamp: 79438 [ 55.511589][ T5182] hardirqs last enabled at (79437): [] __up_console_sem+0xb4/0xfc [ 55.512986][ T5182] hardirqs last disabled at (79438): [] el1_dbg+0x24/0x80 [ 55.514305][ T5182] softirqs last enabled at (79418): [] handle_softirqs+0xa40/0xbe4 [ 55.515845][ T5182] softirqs last disabled at (79387): [] __irq_exit_rcu+0x240/0x43c [ 55.517239][ T5182] ---[ end trace 4a03e26720d37b23 ]--- [ 55.518960][ T5182] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 55.520632][ T5182] BTRFS info (device loop0): forced readonly [ 55.716494][ T5203] loop0: detected capacity change from 0 to 32768 [ 55.719550][ T5203] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5203) [ 55.723894][ T5203] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.725506][ T5203] BTRFS info (device loop0): using free space tree [ 55.726437][ T5203] BTRFS info (device loop0): has skinny extents [ 55.735080][ T5203] BTRFS info (device loop0): enabling ssd optimizations [ 55.739874][ T5203] FAULT_INJECTION: forcing a failure. [ 55.739874][ T5203] name failslab, interval 1, probability 0, space 0, times 0 [ 55.741891][ T5203] CPU: 0 PID: 5203 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.743168][ T5203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.744731][ T5203] Call trace: [ 55.745198][ T5203] dump_backtrace+0x0/0x458 [ 55.745936][ T5203] show_stack+0x2c/0x3c [ 55.746612][ T5203] __dump_stack+0x30/0x40 [ 55.747286][ T5203] dump_stack_lvl+0xf4/0x15c [ 55.748015][ T5203] dump_stack+0x1c/0x5c [ 55.748634][ T5203] should_fail+0x3bc/0x514 [ 55.749303][ T5203] __should_failslab+0xbc/0x10c [ 55.750031][ T5203] should_failslab+0x10/0x28 [ 55.750735][ T5203] slab_pre_alloc_hook+0x64/0xe8 [ 55.751444][ T5203] kmem_cache_alloc_trace+0x98/0x3ec [ 55.752256][ T5203] btrfs_alloc_root+0x8c/0x97c [ 55.752891][ T5203] btrfs_create_tree+0x110/0x998 [ 55.753571][ T5203] btrfs_quota_enable+0x37c/0x1674 [ 55.754364][ T5203] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.755099][ T5203] btrfs_ioctl+0x96c/0xa8c [ 55.755779][ T5203] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.756461][ T5203] invoke_syscall+0x98/0x2b0 [ 55.757220][ T5203] el0_svc_common+0x138/0x258 [ 55.757942][ T5203] do_el0_svc+0x58/0x13c [ 55.758578][ T5203] el0_svc+0x78/0x1d0 [ 55.759156][ T5203] el0t_64_sync_handler+0xcc/0xe4 [ 55.759895][ T5203] el0t_64_sync+0x1a0/0x1a4 [ 55.762793][ T5203] ------------[ cut here ]------------ [ 55.763813][ T5203] WARNING: CPU: 0 PID: 5203 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 55.765390][ T5203] Modules linked in: [ 55.766022][ T5203] CPU: 0 PID: 5203 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.767473][ T5203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.768989][ T5203] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.770083][ T5203] pc : btrfs_quota_enable+0xff8/0x1674 [ 55.771038][ T5203] lr : btrfs_quota_enable+0xff8/0x1674 [ 55.771838][ T5203] sp : ffff800021587ae0 [ 55.772473][ T5203] x29: ffff800021587c40 x28: 0000000000001798 x27: ffff7000042b0f6c [ 55.773771][ T5203] x26: ffff0000dce76420 x25: ffff0000d6c98000 x24: fffffffffffffff4 [ 55.775064][ T5203] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000dce76478 [ 55.776256][ T5203] x20: 1fffe0001b9cec8f x19: ffff0000d78dc000 x18: 0000000000000001 [ 55.777416][ T5203] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 55.778609][ T5203] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 55.779789][ T5203] x11: 0000000000000000 x10: 0000000000000000 x9 : 3e9c64a5210fdf00 [ 55.780958][ T5203] x8 : 3e9c64a5210fdf00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.782154][ T5203] x5 : ffff8000215873f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 55.783354][ T5203] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.784519][ T5203] Call trace: [ 55.785001][ T5203] btrfs_quota_enable+0xff8/0x1674 [ 55.785766][ T5203] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 55.786576][ T5203] btrfs_ioctl+0x96c/0xa8c [ 55.787253][ T5203] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.787943][ T5203] invoke_syscall+0x98/0x2b0 [ 55.788634][ T5203] el0_svc_common+0x138/0x258 [ 55.789328][ T5203] do_el0_svc+0x58/0x13c [ 55.789924][ T5203] el0_svc+0x78/0x1d0 [ 55.790555][ T5203] el0t_64_sync_handler+0xcc/0xe4 [ 55.791382][ T5203] el0t_64_sync+0x1a0/0x1a4 [ 55.792025][ T5203] irq event stamp: 80350 [ 55.792715][ T5203] hardirqs last enabled at (80349): [] __up_console_sem+0xb4/0xfc [ 55.794135][ T5203] hardirqs last disabled at (80350): [] el1_dbg+0x24/0x80 [ 55.795434][ T5203] softirqs last enabled at (80330): [] handle_softirqs+0xa40/0xbe4 [ 55.796900][ T5203] softirqs last disabled at (80245): [] __irq_exit_rcu+0x240/0x43c [ 55.798206][ T5203] ---[ end trace 4a03e26720d37b24 ]--- [ 55.800036][ T5203] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 55.801615][ T5203] BTRFS info (device loop0): forced readonly [ 55.984186][ T5224] loop0: detected capacity change from 0 to 32768 [ 55.987117][ T5224] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5224) [ 55.991775][ T5224] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.993351][ T5224] BTRFS info (device loop0): using free space tree [ 55.994487][ T5224] BTRFS info (device loop0): has skinny extents [ 56.010629][ T5224] BTRFS info (device loop0): enabling ssd optimizations [ 56.014572][ T5224] FAULT_INJECTION: forcing a failure. [ 56.014572][ T5224] name failslab, interval 1, probability 0, space 0, times 0 [ 56.016629][ T5224] CPU: 1 PID: 5224 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.017977][ T5224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.019495][ T5224] Call trace: [ 56.019984][ T5224] dump_backtrace+0x0/0x458 [ 56.020681][ T5224] show_stack+0x2c/0x3c [ 56.021313][ T5224] __dump_stack+0x30/0x40 [ 56.021969][ T5224] dump_stack_lvl+0xf4/0x15c [ 56.022631][ T5224] dump_stack+0x1c/0x5c [ 56.023243][ T5224] should_fail+0x3bc/0x514 [ 56.023902][ T5224] __should_failslab+0xbc/0x10c [ 56.024600][ T5224] should_failslab+0x10/0x28 [ 56.025286][ T5224] slab_pre_alloc_hook+0x64/0xe8 [ 56.025981][ T5224] kmem_cache_alloc_trace+0x98/0x3ec [ 56.026756][ T5224] btrfs_alloc_root+0x8c/0x97c [ 56.027445][ T5224] btrfs_create_tree+0x110/0x998 [ 56.028166][ T5224] btrfs_quota_enable+0x37c/0x1674 [ 56.028861][ T5224] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.029595][ T5224] btrfs_ioctl+0x96c/0xa8c [ 56.030215][ T5224] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.030892][ T5224] invoke_syscall+0x98/0x2b0 [ 56.031528][ T5224] el0_svc_common+0x138/0x258 [ 56.032169][ T5224] do_el0_svc+0x58/0x13c [ 56.032762][ T5224] el0_svc+0x78/0x1d0 [ 56.033318][ T5224] el0t_64_sync_handler+0xcc/0xe4 [ 56.034015][ T5224] el0t_64_sync+0x1a0/0x1a4 [ 56.036255][ T5224] ------------[ cut here ]------------ [ 56.037233][ T5224] WARNING: CPU: 1 PID: 5224 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 56.038758][ T5224] Modules linked in: [ 56.039342][ T5224] CPU: 1 PID: 5224 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.040730][ T5224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.042245][ T5224] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.043421][ T5224] pc : btrfs_quota_enable+0xff8/0x1674 [ 56.044223][ T5224] lr : btrfs_quota_enable+0xff8/0x1674 [ 56.045023][ T5224] sp : ffff8000215f7ae0 [ 56.045646][ T5224] x29: ffff8000215f7c40 x28: 0000000000001798 x27: ffff7000042bef6c [ 56.046775][ T5224] x26: ffff0000de57e420 x25: ffff0000d78c6000 x24: fffffffffffffff4 [ 56.047881][ T5224] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de57e478 [ 56.049041][ T5224] x20: 1fffe0001bcafc8f x19: ffff0000d5b24000 x18: 0000000000000001 [ 56.050191][ T5224] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 56.051327][ T5224] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 56.052452][ T5224] x11: 0000000000000000 x10: 0000000000000000 x9 : 811cf991cf57d800 [ 56.053632][ T5224] x8 : 811cf991cf57d800 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.054788][ T5224] x5 : ffff8000215f73f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 56.055994][ T5224] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.057365][ T5224] Call trace: [ 56.057961][ T5224] btrfs_quota_enable+0xff8/0x1674 [ 56.058820][ T5224] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.059693][ T5224] btrfs_ioctl+0x96c/0xa8c [ 56.060411][ T5224] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.061267][ T5224] invoke_syscall+0x98/0x2b0 [ 56.061998][ T5224] el0_svc_common+0x138/0x258 [ 56.062758][ T5224] do_el0_svc+0x58/0x13c [ 56.063444][ T5224] el0_svc+0x78/0x1d0 [ 56.064050][ T5224] el0t_64_sync_handler+0xcc/0xe4 [ 56.064845][ T5224] el0t_64_sync+0x1a0/0x1a4 [ 56.065576][ T5224] irq event stamp: 80366 [ 56.066225][ T5224] hardirqs last enabled at (80365): [] __up_console_sem+0xb4/0xfc [ 56.067721][ T5224] hardirqs last disabled at (80366): [] el1_dbg+0x24/0x80 [ 56.068989][ T5224] softirqs last enabled at (80346): [] handle_softirqs+0xa40/0xbe4 [ 56.070424][ T5224] softirqs last disabled at (80255): [] __irq_exit_rcu+0x240/0x43c [ 56.071805][ T5224] ---[ end trace 4a03e26720d37b25 ]--- [ 56.073500][ T5224] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 56.074864][ T5224] BTRFS info (device loop0): forced readonly [ 56.248117][ T5245] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5245) [ 56.251551][ T5245] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.253128][ T5245] BTRFS info (device loop0): using free space tree [ 56.254116][ T5245] BTRFS info (device loop0): has skinny extents [ 56.266436][ T5245] BTRFS info (device loop0): enabling ssd optimizations [ 56.270193][ T5245] FAULT_INJECTION: forcing a failure. [ 56.270193][ T5245] name failslab, interval 1, probability 0, space 0, times 0 [ 56.272363][ T5245] CPU: 0 PID: 5245 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.273774][ T5245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.275372][ T5245] Call trace: [ 56.275882][ T5245] dump_backtrace+0x0/0x458 [ 56.276565][ T5245] show_stack+0x2c/0x3c [ 56.277151][ T5245] __dump_stack+0x30/0x40 [ 56.277820][ T5245] dump_stack_lvl+0xf4/0x15c [ 56.278505][ T5245] dump_stack+0x1c/0x5c [ 56.279134][ T5245] should_fail+0x3bc/0x514 [ 56.279797][ T5245] __should_failslab+0xbc/0x10c [ 56.280530][ T5245] should_failslab+0x10/0x28 [ 56.281261][ T5245] slab_pre_alloc_hook+0x64/0xe8 [ 56.282006][ T5245] kmem_cache_alloc+0x94/0x3d4 [ 56.282723][ T5245] start_transaction+0x4d0/0x13ec [ 56.283457][ T5245] btrfs_start_transaction+0x34/0x44 [ 56.284175][ T5245] btrfs_quota_enable+0x1d0/0x1674 [ 56.284876][ T5245] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.285670][ T5245] btrfs_ioctl+0x96c/0xa8c [ 56.286330][ T5245] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.287116][ T5245] invoke_syscall+0x98/0x2b0 [ 56.287837][ T5245] el0_svc_common+0x138/0x258 [ 56.288530][ T5245] do_el0_svc+0x58/0x13c [ 56.289134][ T5245] el0_svc+0x78/0x1d0 [ 56.289780][ T5245] el0t_64_sync_handler+0xcc/0xe4 [ 56.290516][ T5245] el0t_64_sync+0x1a0/0x1a4 [ 56.489651][ T5266] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5266) [ 56.494808][ T5266] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.496356][ T5266] BTRFS info (device loop0): using free space tree [ 56.498047][ T5266] BTRFS info (device loop0): has skinny extents [ 56.507215][ T5266] BTRFS info (device loop0): enabling ssd optimizations [ 56.511462][ T5266] FAULT_INJECTION: forcing a failure. [ 56.511462][ T5266] name failslab, interval 1, probability 0, space 0, times 0 [ 56.513641][ T5266] CPU: 1 PID: 5266 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.515050][ T5266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.516619][ T5266] Call trace: [ 56.517125][ T5266] dump_backtrace+0x0/0x458 [ 56.517792][ T5266] show_stack+0x2c/0x3c [ 56.518433][ T5266] __dump_stack+0x30/0x40 [ 56.519084][ T5266] dump_stack_lvl+0xf4/0x15c [ 56.519783][ T5266] dump_stack+0x1c/0x5c [ 56.520412][ T5266] should_fail+0x3bc/0x514 [ 56.521050][ T5266] __should_failslab+0xbc/0x10c [ 56.521800][ T5266] should_failslab+0x10/0x28 [ 56.522456][ T5266] slab_pre_alloc_hook+0x64/0xe8 [ 56.523180][ T5266] kmem_cache_alloc_trace+0x98/0x3ec [ 56.524039][ T5266] btrfs_alloc_root+0x8c/0x97c [ 56.524745][ T5266] btrfs_create_tree+0x110/0x998 [ 56.525545][ T5266] btrfs_quota_enable+0x37c/0x1674 [ 56.526320][ T5266] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.527139][ T5266] btrfs_ioctl+0x96c/0xa8c [ 56.527808][ T5266] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.528526][ T5266] invoke_syscall+0x98/0x2b0 [ 56.529208][ T5266] el0_svc_common+0x138/0x258 [ 56.529926][ T5266] do_el0_svc+0x58/0x13c [ 56.530550][ T5266] el0_svc+0x78/0x1d0 [ 56.531185][ T5266] el0t_64_sync_handler+0xcc/0xe4 [ 56.531971][ T5266] el0t_64_sync+0x1a0/0x1a4 [ 56.533429][ T5266] ------------[ cut here ]------------ [ 56.534373][ T5266] WARNING: CPU: 1 PID: 5266 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 56.535837][ T5266] Modules linked in: [ 56.536422][ T5266] CPU: 1 PID: 5266 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.537856][ T5266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.539334][ T5266] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.540533][ T5266] pc : btrfs_quota_enable+0xff8/0x1674 [ 56.541371][ T5266] lr : btrfs_quota_enable+0xff8/0x1674 [ 56.542205][ T5266] sp : ffff8000218f7ae0 [ 56.542863][ T5266] x29: ffff8000218f7c40 x28: 0000000000001798 x27: ffff70000431ef6c [ 56.544101][ T5266] x26: ffff0000de57e2c0 x25: ffff0000d80aa000 x24: fffffffffffffff4 [ 56.545266][ T5266] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000de57e318 [ 56.546460][ T5266] x20: 1fffe0001bcafc63 x19: ffff0000d2b68000 x18: 0000000000000001 [ 56.547688][ T5266] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 56.548892][ T5266] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 56.550152][ T5266] x11: 0000000000000000 x10: 0000000000000000 x9 : 08415d7be0e91400 [ 56.551416][ T5266] x8 : 08415d7be0e91400 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.552674][ T5266] x5 : ffff8000218f73f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 56.554002][ T5266] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.555246][ T5266] Call trace: [ 56.555738][ T5266] btrfs_quota_enable+0xff8/0x1674 [ 56.556525][ T5266] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.557310][ T5266] btrfs_ioctl+0x96c/0xa8c [ 56.557973][ T5266] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.558706][ T5266] invoke_syscall+0x98/0x2b0 [ 56.559440][ T5266] el0_svc_common+0x138/0x258 [ 56.560218][ T5266] do_el0_svc+0x58/0x13c [ 56.560847][ T5266] el0_svc+0x78/0x1d0 [ 56.561463][ T5266] el0t_64_sync_handler+0xcc/0xe4 [ 56.562244][ T5266] el0t_64_sync+0x1a0/0x1a4 [ 56.562923][ T5266] irq event stamp: 80124 [ 56.563518][ T5266] hardirqs last enabled at (80123): [] __up_console_sem+0xb4/0xfc [ 56.564978][ T5266] hardirqs last disabled at (80124): [] el1_dbg+0x24/0x80 [ 56.566330][ T5266] softirqs last enabled at (80104): [] handle_softirqs+0xa40/0xbe4 [ 56.567835][ T5266] softirqs last disabled at (80079): [] __irq_exit_rcu+0x240/0x43c [ 56.569294][ T5266] ---[ end trace 4a03e26720d37b26 ]--- [ 56.570975][ T5266] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 56.572436][ T5266] BTRFS info (device loop0): forced readonly [ 56.750677][ T5287] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5287) [ 56.754197][ T5287] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.755778][ T5287] BTRFS info (device loop0): using free space tree [ 56.756742][ T5287] BTRFS info (device loop0): has skinny extents [ 56.769816][ T5287] BTRFS info (device loop0): enabling ssd optimizations [ 56.773565][ T5287] FAULT_INJECTION: forcing a failure. [ 56.773565][ T5287] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 56.775904][ T5287] CPU: 1 PID: 5287 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.777416][ T5287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.778829][ T5287] Call trace: [ 56.779357][ T5287] dump_backtrace+0x0/0x458 [ 56.780049][ T5287] show_stack+0x2c/0x3c [ 56.780671][ T5287] __dump_stack+0x30/0x40 [ 56.781311][ T5287] dump_stack_lvl+0xf4/0x15c [ 56.781987][ T5287] dump_stack+0x1c/0x5c [ 56.782614][ T5287] should_fail+0x3bc/0x514 [ 56.783242][ T5287] should_fail_alloc_page+0x74/0xa8 [ 56.783984][ T5287] prepare_alloc_pages+0x160/0x45c [ 56.784758][ T5287] __alloc_pages+0x108/0x470 [ 56.785464][ T5287] alloc_pages+0x34c/0x5c0 [ 56.786125][ T5287] new_slab+0xe0/0x544 [ 56.786710][ T5287] ___slab_alloc+0x6b4/0xd8c [ 56.787379][ T5287] __slab_alloc+0x68/0xc0 [ 56.788047][ T5287] kmem_cache_alloc+0x2a4/0x3d4 [ 56.788751][ T5287] start_transaction+0x4d0/0x13ec [ 56.789451][ T5287] btrfs_start_transaction+0x34/0x44 [ 56.790229][ T5287] btrfs_quota_enable+0x1d0/0x1674 [ 56.790976][ T5287] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 56.791783][ T5287] btrfs_ioctl+0x96c/0xa8c [ 56.792473][ T5287] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.793154][ T5287] invoke_syscall+0x98/0x2b0 [ 56.793856][ T5287] el0_svc_common+0x138/0x258 [ 56.794595][ T5287] do_el0_svc+0x58/0x13c [ 56.795251][ T5287] el0_svc+0x78/0x1d0 [ 56.795856][ T5287] el0t_64_sync_handler+0xcc/0xe4 [ 56.796624][ T5287] el0t_64_sync+0x1a0/0x1a4 [ 56.810163][ T148] BTRFS info (device loop0): qgroup scan completed (inconsistency flag cleared) [ 57.022641][ T5308] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5308) [ 57.025970][ T5308] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.027913][ T5308] BTRFS info (device loop0): using free space tree [ 57.028905][ T5308] BTRFS info (device loop0): has skinny extents [ 57.036525][ T5308] BTRFS info (device loop0): enabling ssd optimizations [ 57.041107][ T5308] FAULT_INJECTION: forcing a failure. [ 57.041107][ T5308] name failslab, interval 1, probability 0, space 0, times 0 [ 57.043071][ T5308] CPU: 0 PID: 5308 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.044414][ T5308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.045960][ T5308] Call trace: [ 57.046468][ T5308] dump_backtrace+0x0/0x458 [ 57.047159][ T5308] show_stack+0x2c/0x3c [ 57.047759][ T5308] __dump_stack+0x30/0x40 [ 57.048442][ T5308] dump_stack_lvl+0xf4/0x15c [ 57.049148][ T5308] dump_stack+0x1c/0x5c [ 57.049755][ T5308] should_fail+0x3bc/0x514 [ 57.050390][ T5308] __should_failslab+0xbc/0x10c [ 57.051281][ T5308] should_failslab+0x10/0x28 [ 57.051998][ T5308] slab_pre_alloc_hook+0x64/0xe8 [ 57.052825][ T5308] kmem_cache_alloc+0x94/0x3d4 [ 57.053518][ T5308] start_transaction+0x4d0/0x13ec [ 57.054247][ T5308] btrfs_start_transaction+0x34/0x44 [ 57.055033][ T5308] btrfs_quota_enable+0x1d0/0x1674 [ 57.055750][ T5308] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.056575][ T5308] btrfs_ioctl+0x96c/0xa8c [ 57.057256][ T5308] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.058011][ T5308] invoke_syscall+0x98/0x2b0 [ 57.058649][ T5308] el0_svc_common+0x138/0x258 [ 57.059339][ T5308] do_el0_svc+0x58/0x13c [ 57.059968][ T5308] el0_svc+0x78/0x1d0 [ 57.060557][ T5308] el0t_64_sync_handler+0xcc/0xe4 [ 57.061300][ T5308] el0t_64_sync+0x1a0/0x1a4 [ 57.265450][ T5329] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5329) [ 57.270200][ T5329] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.272358][ T5329] BTRFS info (device loop0): using free space tree [ 57.273556][ T5329] BTRFS info (device loop0): has skinny extents [ 57.284763][ T5329] BTRFS info (device loop0): enabling ssd optimizations [ 57.288756][ T5329] FAULT_INJECTION: forcing a failure. [ 57.288756][ T5329] name failslab, interval 1, probability 0, space 0, times 0 [ 57.290824][ T5329] CPU: 0 PID: 5329 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.292344][ T5329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.293887][ T5329] Call trace: [ 57.294406][ T5329] dump_backtrace+0x0/0x458 [ 57.295156][ T5329] show_stack+0x2c/0x3c [ 57.295809][ T5329] __dump_stack+0x30/0x40 [ 57.296446][ T5329] dump_stack_lvl+0xf4/0x15c [ 57.297154][ T5329] dump_stack+0x1c/0x5c [ 57.297740][ T5329] should_fail+0x3bc/0x514 [ 57.298437][ T5329] __should_failslab+0xbc/0x10c [ 57.299178][ T5329] should_failslab+0x10/0x28 [ 57.299829][ T5329] slab_pre_alloc_hook+0x64/0xe8 [ 57.300638][ T5329] kmem_cache_alloc_trace+0x98/0x3ec [ 57.301458][ T5329] btrfs_alloc_root+0x8c/0x97c [ 57.302196][ T5329] btrfs_create_tree+0x110/0x998 [ 57.302958][ T5329] btrfs_quota_enable+0x37c/0x1674 [ 57.303657][ T5329] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.304465][ T5329] btrfs_ioctl+0x96c/0xa8c [ 57.305160][ T5329] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.305913][ T5329] invoke_syscall+0x98/0x2b0 [ 57.306647][ T5329] el0_svc_common+0x138/0x258 [ 57.307345][ T5329] do_el0_svc+0x58/0x13c [ 57.307957][ T5329] el0_svc+0x78/0x1d0 [ 57.308517][ T5329] el0t_64_sync_handler+0xcc/0xe4 [ 57.309316][ T5329] el0t_64_sync+0x1a0/0x1a4 [ 57.311830][ T5329] ------------[ cut here ]------------ [ 57.312766][ T5329] WARNING: CPU: 0 PID: 5329 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 57.314313][ T5329] Modules linked in: [ 57.314885][ T5329] CPU: 0 PID: 5329 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.316242][ T5329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.317721][ T5329] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.318812][ T5329] pc : btrfs_quota_enable+0xff8/0x1674 [ 57.319658][ T5329] lr : btrfs_quota_enable+0xff8/0x1674 [ 57.320445][ T5329] sp : ffff800021c57ae0 [ 57.321043][ T5329] x29: ffff800021c57c40 x28: 0000000000001798 x27: ffff70000438af6c [ 57.322217][ T5329] x26: ffff0000dce76b00 x25: ffff0000c128e000 x24: fffffffffffffff4 [ 57.323448][ T5329] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000dce76b58 [ 57.324705][ T5329] x20: 1fffe0001b9ced6b x19: ffff0000d6140000 x18: 0000000000000001 [ 57.325869][ T5329] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 57.327042][ T5329] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 57.328164][ T5329] x11: 0000000000000000 x10: 0000000000000000 x9 : ca94e4bda4156b00 [ 57.329263][ T5329] x8 : ca94e4bda4156b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.330467][ T5329] x5 : ffff800021c573f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 57.331623][ T5329] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.332863][ T5329] Call trace: [ 57.333351][ T5329] btrfs_quota_enable+0xff8/0x1674 [ 57.334138][ T5329] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.334904][ T5329] btrfs_ioctl+0x96c/0xa8c [ 57.335562][ T5329] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.336242][ T5329] invoke_syscall+0x98/0x2b0 [ 57.336899][ T5329] el0_svc_common+0x138/0x258 [ 57.337526][ T5329] do_el0_svc+0x58/0x13c [ 57.338169][ T5329] el0_svc+0x78/0x1d0 [ 57.338753][ T5329] el0t_64_sync_handler+0xcc/0xe4 [ 57.339486][ T5329] el0t_64_sync+0x1a0/0x1a4 [ 57.340135][ T5329] irq event stamp: 79624 [ 57.340749][ T5329] hardirqs last enabled at (79623): [] __up_console_sem+0xb4/0xfc [ 57.342069][ T5329] hardirqs last disabled at (79624): [] el1_dbg+0x24/0x80 [ 57.343421][ T5329] softirqs last enabled at (79604): [] handle_softirqs+0xa40/0xbe4 [ 57.344797][ T5329] softirqs last disabled at (79501): [] __irq_exit_rcu+0x240/0x43c [ 57.346082][ T5329] ---[ end trace 4a03e26720d37b27 ]--- [ 57.347834][ T5329] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 57.349145][ T5329] BTRFS info (device loop0): forced readonly 1970/01/01 00:00:57 executed programs: 32 [ 57.539974][ T5350] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5350) [ 57.545461][ T5350] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.547546][ T5350] BTRFS info (device loop0): using free space tree [ 57.548985][ T5350] BTRFS info (device loop0): has skinny extents [ 57.565868][ T5350] BTRFS info (device loop0): enabling ssd optimizations [ 57.569626][ T5350] FAULT_INJECTION: forcing a failure. [ 57.569626][ T5350] name failslab, interval 1, probability 0, space 0, times 0 [ 57.571598][ T5350] CPU: 0 PID: 5350 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.572934][ T5350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.574314][ T5350] Call trace: [ 57.574827][ T5350] dump_backtrace+0x0/0x458 [ 57.575501][ T5350] show_stack+0x2c/0x3c [ 57.576119][ T5350] __dump_stack+0x30/0x40 [ 57.576700][ T5350] dump_stack_lvl+0xf4/0x15c [ 57.577346][ T5350] dump_stack+0x1c/0x5c [ 57.577914][ T5350] should_fail+0x3bc/0x514 [ 57.578522][ T5350] __should_failslab+0xbc/0x10c [ 57.579238][ T5350] should_failslab+0x10/0x28 [ 57.579902][ T5350] slab_pre_alloc_hook+0x64/0xe8 [ 57.580649][ T5350] kmem_cache_alloc_trace+0x98/0x3ec [ 57.581391][ T5350] btrfs_alloc_root+0x8c/0x97c [ 57.582153][ T5350] btrfs_create_tree+0x110/0x998 [ 57.582849][ T5350] btrfs_quota_enable+0x37c/0x1674 [ 57.583577][ T5350] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.584422][ T5350] btrfs_ioctl+0x96c/0xa8c [ 57.585118][ T5350] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.585921][ T5350] invoke_syscall+0x98/0x2b0 [ 57.586602][ T5350] el0_svc_common+0x138/0x258 [ 57.587302][ T5350] do_el0_svc+0x58/0x13c [ 57.587921][ T5350] el0_svc+0x78/0x1d0 [ 57.588534][ T5350] el0t_64_sync_handler+0xcc/0xe4 [ 57.589294][ T5350] el0t_64_sync+0x1a0/0x1a4 [ 57.591125][ T5350] ------------[ cut here ]------------ [ 57.592073][ T5350] WARNING: CPU: 0 PID: 5350 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 57.593373][ T5350] Modules linked in: [ 57.593902][ T5350] CPU: 0 PID: 5350 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.595216][ T5350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.596696][ T5350] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.597809][ T5350] pc : btrfs_quota_enable+0xff8/0x1674 [ 57.598638][ T5350] lr : btrfs_quota_enable+0xff8/0x1674 [ 57.599531][ T5350] sp : ffff800021a17ae0 [ 57.600137][ T5350] x29: ffff800021a17c40 x28: 0000000000001798 x27: ffff700004342f6c [ 57.601294][ T5350] x26: ffff0000dce76c60 x25: ffff0000c923e000 x24: fffffffffffffff4 [ 57.602495][ T5350] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000dce76cb8 [ 57.603804][ T5350] x20: 1fffe0001b9ced97 x19: ffff0000d653c000 x18: 0000000000000001 [ 57.605058][ T5350] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 57.606229][ T5350] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 57.607484][ T5350] x11: 0000000000000000 x10: 0000000000000000 x9 : c50362b368f2e300 [ 57.608693][ T5350] x8 : c50362b368f2e300 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.609962][ T5350] x5 : ffff800021a173f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 57.611176][ T5350] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.612454][ T5350] Call trace: [ 57.612949][ T5350] btrfs_quota_enable+0xff8/0x1674 [ 57.613686][ T5350] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.614470][ T5350] btrfs_ioctl+0x96c/0xa8c [ 57.615171][ T5350] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.615965][ T5350] invoke_syscall+0x98/0x2b0 [ 57.616697][ T5350] el0_svc_common+0x138/0x258 [ 57.617366][ T5350] do_el0_svc+0x58/0x13c [ 57.617993][ T5350] el0_svc+0x78/0x1d0 [ 57.618597][ T5350] el0t_64_sync_handler+0xcc/0xe4 [ 57.619365][ T5350] el0t_64_sync+0x1a0/0x1a4 [ 57.620062][ T5350] irq event stamp: 80114 [ 57.620657][ T5350] hardirqs last enabled at (80113): [] __up_console_sem+0xb4/0xfc [ 57.621983][ T5350] hardirqs last disabled at (80114): [] el1_dbg+0x24/0x80 [ 57.623312][ T5350] softirqs last enabled at (80094): [] handle_softirqs+0xa40/0xbe4 [ 57.624761][ T5350] softirqs last disabled at (80047): [] __irq_exit_rcu+0x240/0x43c [ 57.626234][ T5350] ---[ end trace 4a03e26720d37b28 ]--- [ 57.629222][ T5350] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 57.630920][ T5350] BTRFS info (device loop0): forced readonly [ 57.845730][ T5371] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5371) [ 57.849579][ T5371] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.851138][ T5371] BTRFS info (device loop0): using free space tree [ 57.852141][ T5371] BTRFS info (device loop0): has skinny extents [ 57.861370][ T5371] BTRFS info (device loop0): enabling ssd optimizations [ 57.865466][ T5371] FAULT_INJECTION: forcing a failure. [ 57.865466][ T5371] name failslab, interval 1, probability 0, space 0, times 0 [ 57.867958][ T5371] CPU: 1 PID: 5371 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.869383][ T5371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.870914][ T5371] Call trace: [ 57.871456][ T5371] dump_backtrace+0x0/0x458 [ 57.872166][ T5371] show_stack+0x2c/0x3c [ 57.872887][ T5371] __dump_stack+0x30/0x40 [ 57.873515][ T5371] dump_stack_lvl+0xf4/0x15c [ 57.874203][ T5371] dump_stack+0x1c/0x5c [ 57.874828][ T5371] should_fail+0x3bc/0x514 [ 57.875479][ T5371] __should_failslab+0xbc/0x10c [ 57.876160][ T5371] should_failslab+0x10/0x28 [ 57.876853][ T5371] slab_pre_alloc_hook+0x64/0xe8 [ 57.877592][ T5371] kmem_cache_alloc_trace+0x98/0x3ec [ 57.878369][ T5371] btrfs_alloc_root+0x8c/0x97c [ 57.879080][ T5371] btrfs_create_tree+0x110/0x998 [ 57.879780][ T5371] btrfs_quota_enable+0x37c/0x1674 [ 57.880547][ T5371] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.881304][ T5371] btrfs_ioctl+0x96c/0xa8c [ 57.882018][ T5371] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.882734][ T5371] invoke_syscall+0x98/0x2b0 [ 57.883417][ T5371] el0_svc_common+0x138/0x258 [ 57.884096][ T5371] do_el0_svc+0x58/0x13c [ 57.884713][ T5371] el0_svc+0x78/0x1d0 [ 57.885254][ T5371] el0t_64_sync_handler+0xcc/0xe4 [ 57.886043][ T5371] el0t_64_sync+0x1a0/0x1a4 [ 57.888268][ T5371] ------------[ cut here ]------------ [ 57.889226][ T5371] WARNING: CPU: 1 PID: 5371 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 57.890855][ T5371] Modules linked in: [ 57.891470][ T5371] CPU: 1 PID: 5371 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.892974][ T5371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.894489][ T5371] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.895734][ T5371] pc : btrfs_quota_enable+0xff8/0x1674 [ 57.896554][ T5371] lr : btrfs_quota_enable+0xff8/0x1674 [ 57.897344][ T5371] sp : ffff800021a27ae0 [ 57.897954][ T5371] x29: ffff800021a27c40 x28: 0000000000001798 x27: ffff700004344f6c [ 57.899184][ T5371] x26: ffff0000cf9a02c0 x25: ffff0000cad52000 x24: fffffffffffffff4 [ 57.900406][ T5371] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000cf9a0318 [ 57.901620][ T5371] x20: 1fffe00019f34063 x19: ffff0000d5914000 x18: 0000000000000001 [ 57.902810][ T5371] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 57.904003][ T5371] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 57.905206][ T5371] x11: 0000000000000000 x10: 0000000000000000 x9 : 33d2ed43448a8f00 [ 57.906361][ T5371] x8 : 33d2ed43448a8f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.907552][ T5371] x5 : ffff800021a273f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 57.908727][ T5371] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.909914][ T5371] Call trace: [ 57.910464][ T5371] btrfs_quota_enable+0xff8/0x1674 [ 57.911214][ T5371] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 57.912025][ T5371] btrfs_ioctl+0x96c/0xa8c [ 57.912680][ T5371] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.913394][ T5371] invoke_syscall+0x98/0x2b0 [ 57.914046][ T5371] el0_svc_common+0x138/0x258 [ 57.914670][ T5371] do_el0_svc+0x58/0x13c [ 57.915315][ T5371] el0_svc+0x78/0x1d0 [ 57.915930][ T5371] el0t_64_sync_handler+0xcc/0xe4 [ 57.916686][ T5371] el0t_64_sync+0x1a0/0x1a4 [ 57.917343][ T5371] irq event stamp: 80178 [ 57.918039][ T5371] hardirqs last enabled at (80177): [] __up_console_sem+0xb4/0xfc [ 57.919385][ T5371] hardirqs last disabled at (80178): [] el1_dbg+0x24/0x80 [ 57.920565][ T5371] softirqs last enabled at (80158): [] handle_softirqs+0xa40/0xbe4 [ 57.921916][ T5371] softirqs last disabled at (80143): [] __irq_exit_rcu+0x240/0x43c [ 57.923289][ T5371] ---[ end trace 4a03e26720d37b29 ]--- [ 57.926159][ T5371] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 57.927624][ T5371] BTRFS info (device loop0): forced readonly [ 58.125136][ T5392] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5392) [ 58.129109][ T5392] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 58.130725][ T5392] BTRFS info (device loop0): using free space tree [ 58.131670][ T5392] BTRFS info (device loop0): has skinny extents [ 58.140432][ T5392] BTRFS info (device loop0): enabling ssd optimizations [ 58.144388][ T5392] FAULT_INJECTION: forcing a failure. [ 58.144388][ T5392] name failslab, interval 1, probability 0, space 0, times 0 [ 58.146527][ T5392] CPU: 1 PID: 5392 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.148016][ T5392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.149635][ T5392] Call trace: [ 58.150162][ T5392] dump_backtrace+0x0/0x458 [ 58.150881][ T5392] show_stack+0x2c/0x3c [ 58.151544][ T5392] __dump_stack+0x30/0x40 [ 58.152212][ T5392] dump_stack_lvl+0xf4/0x15c [ 58.152909][ T5392] dump_stack+0x1c/0x5c [ 58.153527][ T5392] should_fail+0x3bc/0x514 [ 58.154195][ T5392] __should_failslab+0xbc/0x10c [ 58.154915][ T5392] should_failslab+0x10/0x28 [ 58.155600][ T5392] slab_pre_alloc_hook+0x64/0xe8 [ 58.156363][ T5392] kmem_cache_alloc+0x94/0x3d4 [ 58.157128][ T5392] start_transaction+0x4d0/0x13ec [ 58.157869][ T5392] btrfs_start_transaction+0x34/0x44 [ 58.158733][ T5392] btrfs_quota_enable+0x1d0/0x1674 [ 58.159518][ T5392] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 58.160307][ T5392] btrfs_ioctl+0x96c/0xa8c [ 58.160968][ T5392] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.161726][ T5392] invoke_syscall+0x98/0x2b0 [ 58.162422][ T5392] el0_svc_common+0x138/0x258 [ 58.163087][ T5392] do_el0_svc+0x58/0x13c [ 58.163806][ T5392] el0_svc+0x78/0x1d0 [ 58.164474][ T5392] el0t_64_sync_handler+0xcc/0xe4 [ 58.165202][ T5392] el0t_64_sync+0x1a0/0x1a4 [ 58.343358][ T5413] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5413) [ 58.348108][ T5413] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 58.349814][ T5413] BTRFS info (device loop0): using free space tree [ 58.350964][ T5413] BTRFS info (device loop0): has skinny extents [ 58.364116][ T5413] BTRFS info (device loop0): enabling ssd optimizations [ 58.368199][ T5413] FAULT_INJECTION: forcing a failure. [ 58.368199][ T5413] name failslab, interval 1, probability 0, space 0, times 0 [ 58.370354][ T5413] CPU: 1 PID: 5413 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.371774][ T5413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.373214][ T5413] Call trace: [ 58.373746][ T5413] dump_backtrace+0x0/0x458 [ 58.374473][ T5413] show_stack+0x2c/0x3c [ 58.375134][ T5413] __dump_stack+0x30/0x40 [ 58.375864][ T5413] dump_stack_lvl+0xf4/0x15c [ 58.376498][ T5413] dump_stack+0x1c/0x5c [ 58.377117][ T5413] should_fail+0x3bc/0x514 [ 58.377827][ T5413] __should_failslab+0xbc/0x10c [ 58.378522][ T5413] should_failslab+0x10/0x28 [ 58.379265][ T5413] slab_pre_alloc_hook+0x64/0xe8 [ 58.380007][ T5413] kmem_cache_alloc_trace+0x98/0x3ec [ 58.380830][ T5413] btrfs_alloc_root+0x8c/0x97c [ 58.381553][ T5413] btrfs_create_tree+0x110/0x998 [ 58.382250][ T5413] btrfs_quota_enable+0x37c/0x1674 [ 58.383126][ T5413] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 58.383866][ T5413] btrfs_ioctl+0x96c/0xa8c [ 58.384468][ T5413] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.385231][ T5413] invoke_syscall+0x98/0x2b0 [ 58.385925][ T5413] el0_svc_common+0x138/0x258 [ 58.386665][ T5413] do_el0_svc+0x58/0x13c [ 58.387262][ T5413] el0_svc+0x78/0x1d0 [ 58.387843][ T5413] el0t_64_sync_handler+0xcc/0xe4 [ 58.388550][ T5413] el0t_64_sync+0x1a0/0x1a4 [ 58.390889][ T5413] ------------[ cut here ]------------ [ 58.391815][ T5413] WARNING: CPU: 1 PID: 5413 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 58.393247][ T5413] Modules linked in: [ 58.393826][ T5413] CPU: 1 PID: 5413 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.395248][ T5413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.396806][ T5413] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.397978][ T5413] pc : btrfs_quota_enable+0xff8/0x1674 [ 58.398779][ T5413] lr : btrfs_quota_enable+0xff8/0x1674 [ 58.399583][ T5413] sp : ffff800021a17ae0 [ 58.400217][ T5413] x29: ffff800021a17c40 x28: 0000000000001798 x27: ffff700004342f6c [ 58.401398][ T5413] x26: ffff0000cf9a0420 x25: ffff0000cadac000 x24: fffffffffffffff4 [ 58.402632][ T5413] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000cf9a0478 [ 58.403765][ T5413] x20: 1fffe00019f3408f x19: ffff0000dae04000 x18: 0000000000000001 [ 58.404919][ T5413] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 58.406130][ T5413] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 58.407321][ T5413] x11: 0000000000000000 x10: 0000000000000000 x9 : 1cc3d2746d309100 [ 58.408506][ T5413] x8 : 1cc3d2746d309100 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.409777][ T5413] x5 : ffff800021a173f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 58.410978][ T5413] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.412233][ T5413] Call trace: [ 58.412688][ T5413] btrfs_quota_enable+0xff8/0x1674 [ 58.413418][ T5413] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 58.414167][ T5413] btrfs_ioctl+0x96c/0xa8c [ 58.414812][ T5413] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.415492][ T5413] invoke_syscall+0x98/0x2b0 [ 58.416223][ T5413] el0_svc_common+0x138/0x258 [ 58.416921][ T5413] do_el0_svc+0x58/0x13c [ 58.417528][ T5413] el0_svc+0x78/0x1d0 [ 58.418112][ T5413] el0t_64_sync_handler+0xcc/0xe4 [ 58.418901][ T5413] el0t_64_sync+0x1a0/0x1a4 [ 58.419567][ T5413] irq event stamp: 80470 [ 58.420166][ T5413] hardirqs last enabled at (80469): [] __up_console_sem+0xb4/0xfc [ 58.421614][ T5413] hardirqs last disabled at (80470): [] el1_dbg+0x24/0x80 [ 58.422900][ T5413] softirqs last enabled at (80450): [] handle_softirqs+0xa40/0xbe4 [ 58.424269][ T5413] softirqs last disabled at (80313): [] __irq_exit_rcu+0x240/0x43c [ 58.425802][ T5413] ---[ end trace 4a03e26720d37b2a ]--- [ 58.428172][ T5413] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 58.429790][ T5413] BTRFS info (device loop0): forced readonly [ 58.634527][ T5434] set_capacity_and_notify: 9 callbacks suppressed [ 58.634535][ T5434] loop0: detected capacity change from 0 to 32768 [ 58.638829][ T5434] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5434) [ 58.643455][ T5434] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 58.644959][ T5434] BTRFS info (device loop0): using free space tree [ 58.645908][ T5434] BTRFS info (device loop0): has skinny extents [ 58.657556][ T5434] BTRFS info (device loop0): enabling ssd optimizations [ 58.661097][ T5434] FAULT_INJECTION: forcing a failure. [ 58.661097][ T5434] name failslab, interval 1, probability 0, space 0, times 0 [ 58.663123][ T5434] CPU: 1 PID: 5434 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.664596][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.666203][ T5434] Call trace: [ 58.666731][ T5434] dump_backtrace+0x0/0x458 [ 58.667437][ T5434] show_stack+0x2c/0x3c [ 58.668099][ T5434] __dump_stack+0x30/0x40 [ 58.668819][ T5434] dump_stack_lvl+0xf4/0x15c [ 58.669584][ T5434] dump_stack+0x1c/0x5c [ 58.670211][ T5434] should_fail+0x3bc/0x514 [ 58.670854][ T5434] __should_failslab+0xbc/0x10c [ 58.671636][ T5434] should_failslab+0x10/0x28 [ 58.672382][ T5434] slab_pre_alloc_hook+0x64/0xe8 [ 58.673096][ T5434] kmem_cache_alloc_trace+0x98/0x3ec [ 58.673876][ T5434] btrfs_alloc_root+0x8c/0x97c [ 58.674622][ T5434] btrfs_create_tree+0x110/0x998 [ 58.675415][ T5434] btrfs_quota_enable+0x37c/0x1674 [ 58.676213][ T5434] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 58.677091][ T5434] btrfs_ioctl+0x96c/0xa8c [ 58.677771][ T5434] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.678556][ T5434] invoke_syscall+0x98/0x2b0 [ 58.679211][ T5434] el0_svc_common+0x138/0x258 [ 58.679876][ T5434] do_el0_svc+0x58/0x13c [ 58.680600][ T5434] el0_svc+0x78/0x1d0 [ 58.681233][ T5434] el0t_64_sync_handler+0xcc/0xe4 [ 58.682087][ T5434] el0t_64_sync+0x1a0/0x1a4 [ 58.684386][ T5434] ------------[ cut here ]------------ [ 58.685437][ T5434] WARNING: CPU: 1 PID: 5434 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0xff8/0x1674 [ 58.686925][ T5434] Modules linked in: [ 58.687572][ T5434] CPU: 1 PID: 5434 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.688864][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.690286][ T5434] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.691374][ T5434] pc : btrfs_quota_enable+0xff8/0x1674 [ 58.692193][ T5434] lr : btrfs_quota_enable+0xff8/0x1674 [ 58.692955][ T5434] sp : ffff8000225d7ae0 [ 58.693585][ T5434] x29: ffff8000225d7c40 x28: 0000000000001798 x27: ffff7000044baf6c [ 58.694770][ T5434] x26: ffff0000cf9a0580 x25: ffff0000cd64e000 x24: fffffffffffffff4 [ 58.696029][ T5434] x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000cf9a05d8 [ 58.697209][ T5434] x20: 1fffe00019f340bb x19: ffff0000cb2d8000 x18: 0000000000000001 [ 58.698474][ T5434] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 58.699821][ T5434] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 58.701036][ T5434] x11: 0000000000000000 x10: 0000000000000000 x9 : 8f1263075b435900 [ 58.702215][ T5434] x8 : 8f1263075b435900 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.703342][ T5434] x5 : ffff8000225d73f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 58.704618][ T5434] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.705866][ T5434] Call trace: [ 58.706358][ T5434] btrfs_quota_enable+0xff8/0x1674 [ 58.707054][ T5434] btrfs_ioctl_quota_ctl+0x13c/0x180 [ 58.707792][ T5434] btrfs_ioctl+0x96c/0xa8c [ 58.708425][ T5434] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.709313][ T5434] invoke_syscall+0x98/0x2b0 [ 58.710099][ T5434] el0_svc_common+0x138/0x258 [ 58.710862][ T5434] do_el0_svc+0x58/0x13c [ 58.711510][ T5434] el0_svc+0x78/0x1d0 [ 58.712223][ T5434] el0t_64_sync_handler+0xcc/0xe4 [ 58.712979][ T5434] el0t_64_sync+0x1a0/0x1a4 [ 58.713655][ T5434] irq event stamp: 79906 [ 58.714282][ T5434] hardirqs last enabled at (79905): [] __up_console_sem+0xb4/0xfc [ 58.715685][ T5434] hardirqs last disabled at (79906): [] el1_dbg+0x24/0x80 [ 58.716951][ T5434] softirqs last enabled at (79886): [] handle_softirqs+0xa40/0xbe4 [ 58.718420][ T5434] softirqs last disabled at (79871): [] __irq_exit_rcu+0x240/0x43c [ 58.719808][ T5434] ---[ end trace 4a03e26720d37b2b ]--- [ 58.721472][ T5434] BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory [ 58.723044][ T5434] BTRFS info (device loop0): forced readonly [ 58.906359][ T5455] loop0: detected capacity change from 0 to 32768 [ 58.911208][ T5455] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5455) [ 58.914757][ T5455] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 58.918069][ T5455] BTRFS info (device loop0): using free space tree [ 58.919077][ T5455] BTRFS info (device loop0): has skinny extents [ 58.927156][ T5455] BTRFS info (device loop0): enabling ssd optimizations [ 58.931463][ T5455] FAULT_INJECTION: forcing a failure. [ 58.931463][ T5455] name failslab, interval 1, probability 0, space 0, times 0 [ 58.933577][ T5455] CPU: 1 PID: 5455 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.934975][ T5455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.936463][ T5455] Call trace: [ 58.937031][ T5455] dump_backtrace+0x0/0x458 [ 58.937672][ T5455] show_stack+0x2c/0x3c [ 58.938266][ T5455] __dump_stack+0x30/0x40 [ 58.938922][ T5455] dump_stack_lvl+0xf4/0x15c [ 58.939639][ T5455] dump_stack+0x1c/0x5c [ 58.940277][ T5455] should_fail+0x3bc/0x514 [ 58.940994][ T5455] __should_failslab+0xbc/0x10c [ 58.941670][ T5455] should_failslab+0x10/0x28 [ 58.942351][ T5455] slab_pre_alloc_hook+0x64/0xe8