[ 31.556636][ T4066] device veth1_macvtap entered promiscuous mode [ 31.563629][ T4066] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 31.564973][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 31.566923][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 31.569959][ T4066] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 31.572140][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 31.574549][ T4066] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 31.576043][ T4066] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 31.577536][ T4066] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 31.578975][ T4066] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.496497][ T136] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.635000][ T136] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.685092][ T136] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.735781][ T136] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.944448][ T136] device hsr_slave_0 left promiscuous mode [ 38.981296][ T136] device hsr_slave_1 left promiscuous mode [ 39.110912][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 39.112236][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 39.115419][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 39.116745][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 39.118205][ T136] device bridge_slave_1 left promiscuous mode [ 39.119551][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.162310][ T136] device bridge_slave_0 left promiscuous mode [ 39.163318][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.311093][ T136] device veth1_macvtap left promiscuous mode [ 39.312249][ T136] device veth0_macvtap left promiscuous mode [ 39.313272][ T136] device veth1_vlan left promiscuous mode [ 39.314274][ T136] device veth0_vlan left promiscuous mode [ 39.420733][ T136] team0 (unregistering): Port device team_slave_1 removed [ 39.427724][ T136] team0 (unregistering): Port device team_slave_0 removed [ 39.432379][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 39.465700][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 39.566562][ T136] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.1.62' (ED25519) to the list of known hosts. 1970/01/01 00:00:39 ignoring optional flag "type"="gce" 1970/01/01 00:00:40 parsed 1 programs 1970/01/01 00:00:40 executed programs: 0 [ 40.112926][ T4247] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 40.182612][ T4253] chnl_net:caif_netlink_parms(): no params data found [ 40.201426][ T4253] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.202703][ T4253] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.204335][ T4253] device bridge_slave_0 entered promiscuous mode [ 40.206671][ T4253] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.207923][ T4253] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.209450][ T4253] device bridge_slave_1 entered promiscuous mode [ 40.218907][ T4253] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.221931][ T4253] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.229861][ T4253] team0: Port device team_slave_0 added [ 40.234930][ T4253] team0: Port device team_slave_1 added [ 40.243363][ T4253] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.244550][ T4253] 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. [ 40.248554][ T4253] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.251263][ T4253] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.252380][ T4253] 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. [ 40.256495][ T4253] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.301950][ T4253] device hsr_slave_0 entered promiscuous mode [ 40.341050][ T4253] device hsr_slave_1 entered promiscuous mode [ 40.931132][ T4253] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.952146][ T4253] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.972046][ T4253] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.012739][ T4253] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.075914][ T4253] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.080008][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.081958][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.086280][ T4253] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.093634][ T1670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.095428][ T1670] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.097021][ T1670] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.098157][ T1670] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.099919][ T1670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.104839][ T1670] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.106350][ T1670] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.107562][ T1670] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.109045][ T1670] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.117828][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 41.121436][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.129201][ T4253] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 41.131869][ T4253] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 41.134026][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.135875][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.137562][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.139295][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.145191][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.146990][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.148713][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.150250][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.153952][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.155655][ T1715] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.198807][ T4253] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.201890][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.203255][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.209657][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.212055][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.234692][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.236425][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.238155][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.239726][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.245710][ T4253] device veth0_vlan entered promiscuous mode [ 41.249432][ T4253] device veth1_vlan entered promiscuous mode [ 41.260105][ T4253] device veth0_macvtap entered promiscuous mode [ 41.262228][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.263800][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.265324][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 41.266963][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.270339][ T4253] device veth1_macvtap entered promiscuous mode [ 41.273477][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.274942][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 41.281647][ T4253] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.282931][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.284561][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.287830][ T4253] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.289021][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.290595][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.296901][ T4253] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.298460][ T4253] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.299880][ T4253] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.302141][ T4253] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.438320][ T4363] loop0: detected capacity change from 0 to 32768 [ 41.448887][ T4363] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4363) [ 41.458706][ T4363] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 41.460444][ T4363] BTRFS info (device loop0): using free space tree [ 41.463710][ T4363] BTRFS info (device loop0): has skinny extents [ 41.526021][ T4363] BTRFS info (device loop0): enabling ssd optimizations [ 41.555483][ T4363] FAULT_INJECTION: forcing a failure. [ 41.555483][ T4363] name failslab, interval 1, probability 0, space 0, times 1 [ 41.557732][ T4363] CPU: 1 PID: 4363 Comm: syz-executor.0 Not tainted syzkaller #0 [ 41.558977][ T4363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 41.560605][ T4363] Call trace: [ 41.561158][ T4363] dump_backtrace+0x0/0x458 [ 41.561918][ T4363] show_stack+0x2c/0x3c [ 41.562629][ T4363] __dump_stack+0x30/0x40 [ 41.563503][ T4363] dump_stack_lvl+0xf4/0x15c [ 41.564445][ T4363] dump_stack+0x1c/0x5c [ 41.565215][ T4363] should_fail+0x3c8/0x520 [ 41.566104][ T4363] __should_failslab+0xbc/0x10c [ 41.567088][ T4363] should_failslab+0x10/0x28 [ 41.567947][ T4363] slab_pre_alloc_hook+0x64/0xe8 [ 41.568825][ T4363] kmem_cache_alloc+0x94/0x3d8 [ 41.569797][ T4363] btrfs_alloc_path+0x5c/0x68 [ 41.570670][ T4363] btrfs_insert_inode_ref+0xf4/0xa24 [ 41.571730][ T4363] btrfs_rename2+0x1f20/0x323c [ 41.572604][ T4363] vfs_rename+0xb08/0xe3c [ 41.573405][ T4363] do_renameat2+0x73c/0xc90 [ 41.574251][ T4363] __arm64_sys_renameat2+0xe8/0x104 [ 41.575136][ T4363] invoke_syscall+0x98/0x28c [ 41.575924][ T4363] el0_svc_common+0x13c/0x258 [ 41.576693][ T4363] do_el0_svc+0x5c/0x140 [ 41.577423][ T4363] el0_svc+0x78/0x1d0 [ 41.578096][ T4363] el0t_64_sync_handler+0xcc/0xe4 [ 41.579092][ T4363] el0t_64_sync+0x1a0/0x1a4 [ 41.819434][ T4432] loop0: detected capacity change from 0 to 32768 [ 41.824639][ T4432] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4432) [ 41.841286][ T4432] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 41.843069][ T4432] BTRFS info (device loop0): using free space tree [ 41.844202][ T4432] BTRFS info (device loop0): has skinny extents [ 41.898940][ T4432] BTRFS info (device loop0): enabling ssd optimizations [ 41.916973][ T4432] FAULT_INJECTION: forcing a failure. [ 41.916973][ T4432] name failslab, interval 1, probability 0, space 0, times 0 [ 41.919158][ T4432] CPU: 0 PID: 4432 Comm: syz-executor.0 Not tainted syzkaller #0 [ 41.920353][ T4432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 41.921972][ T4432] Call trace: [ 41.922508][ T4432] dump_backtrace+0x0/0x458 [ 41.923284][ T4432] show_stack+0x2c/0x3c [ 41.924013][ T4432] __dump_stack+0x30/0x40 [ 41.924845][ T4432] dump_stack_lvl+0xf4/0x15c [ 41.925835][ T4432] dump_stack+0x1c/0x5c [ 41.926672][ T4432] should_fail+0x3c8/0x520 [ 41.927555][ T4432] __should_failslab+0xbc/0x10c [ 41.928486][ T4432] should_failslab+0x10/0x28 [ 41.929261][ T4432] slab_pre_alloc_hook+0x64/0xe8 [ 41.930181][ T4432] kmem_cache_alloc+0x94/0x3d8 [ 41.930956][ T4432] btrfs_alloc_path+0x5c/0x68 [ 41.931712][ T4432] __btrfs_unlink_inode+0x1e0/0xab8 [ 41.932571][ T4432] btrfs_rename2+0x21a4/0x323c [ 41.933399][ T4432] vfs_rename+0xb08/0xe3c [ 41.934135][ T4432] do_renameat2+0x73c/0xc90 [ 41.934922][ T4432] __arm64_sys_renameat2+0xe8/0x104 [ 41.935803][ T4432] invoke_syscall+0x98/0x28c [ 41.936621][ T4432] el0_svc_common+0x13c/0x258 [ 41.937464][ T4432] do_el0_svc+0x5c/0x140 [ 41.938239][ T4432] el0_svc+0x78/0x1d0 [ 41.938936][ T4432] el0t_64_sync_handler+0xcc/0xe4 [ 41.939825][ T4432] el0t_64_sync+0x1a0/0x1a4 [ 41.959997][ T4432] ------------[ cut here ]------------ [ 41.961793][ T4432] WARNING: CPU: 0 PID: 4432 at fs/btrfs/inode.c:10009 btrfs_rename2+0x27dc/0x323c [ 41.963368][ T4432] Modules linked in: [ 41.964078][ T4432] CPU: 0 PID: 4432 Comm: syz-executor.0 Not tainted syzkaller #0 [ 41.965398][ T4432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 41.967340][ T4432] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 41.968838][ T4432] pc : btrfs_rename2+0x27dc/0x323c [ 41.969844][ T4432] lr : btrfs_rename2+0x27dc/0x323c [ 41.970852][ T4432] sp : ffff80001fab7880 [ 41.971693][ T4432] x29: ffff80001fab7980 x28: ffff0000d8934000 x27: ffff0000dd1a205c [ 41.973159][ T4432] x26: ffff0000da3e4000 x25: 00000000fffffff4 x24: ffff0000e24584c0 [ 41.974800][ T4432] x23: ffff0000e2459860 x22: 0000000000000000 x21: ffff0000ded4e318 [ 41.976330][ T4432] x20: 1fffe0001bda9c63 x19: ffff0000ded4e2c0 x18: 0000000000000000 [ 41.978005][ T4432] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 41.979619][ T4432] x14: 0000000000000001 x13: 1fffe000341ca7ab x12: 0000000000000000 [ 41.981238][ T4432] x11: ff80800008300a7c x10: 0000000000000000 x9 : f4a2503213afec00 [ 41.982728][ T4432] x8 : f4a2503213afec00 x7 : 0000000000000001 x6 : 0000000000000001 [ 41.984237][ T4432] x5 : ffff80001fab7198 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 41.985809][ T4432] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 41.987307][ T4432] Call trace: [ 41.987944][ T4432] btrfs_rename2+0x27dc/0x323c [ 41.988851][ T4432] vfs_rename+0xb08/0xe3c [ 41.989654][ T4432] do_renameat2+0x73c/0xc90 [ 41.990450][ T4432] __arm64_sys_renameat2+0xe8/0x104 [ 41.991398][ T4432] invoke_syscall+0x98/0x28c [ 41.992233][ T4432] el0_svc_common+0x13c/0x258 [ 41.993063][ T4432] do_el0_svc+0x5c/0x140 [ 41.993877][ T4432] el0_svc+0x78/0x1d0 [ 41.994622][ T4432] el0t_64_sync_handler+0xcc/0xe4 [ 41.995538][ T4432] el0t_64_sync+0x1a0/0x1a4 [ 41.996359][ T4432] irq event stamp: 81924 [ 41.997130][ T4432] hardirqs last enabled at (81923): [] __up_console_sem+0xb4/0xfc [ 41.998887][ T4432] hardirqs last disabled at (81924): [] el1_dbg+0x24/0x80 [ 42.000405][ T4432] softirqs last enabled at (81912): [] handle_softirqs+0xa70/0xc14 [ 42.002078][ T4432] softirqs last disabled at (81899): [] __irq_exit_rcu+0x240/0x434 [ 42.003744][ T4432] ---[ end trace 5acffc937a867ebc ]--- [ 42.007863][ T4432] BTRFS: error (device loop0) in btrfs_rename:10009: errno=-12 Out of memory [ 42.009815][ T4432] BTRFS info (device loop0): forced readonly [ 42.191603][ T13] Bluetooth: hci0: command 0x0409 tx timeout [ 42.222892][ T4492] loop0: detected capacity change from 0 to 32768 [ 42.231450][ T4492] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4492) [ 42.242340][ T4492] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 42.244701][ T4492] BTRFS info (device loop0): using free space tree [ 42.247760][ T4492] BTRFS info (device loop0): has skinny extents [ 42.311789][ T4492] BTRFS info (device loop0): enabling ssd optimizations [ 42.334576][ T4492] FAULT_INJECTION: forcing a failure. [ 42.334576][ T4492] name failslab, interval 1, probability 0, space 0, times 0 [ 42.337167][ T4492] CPU: 0 PID: 4492 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 42.338663][ T4492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 42.340408][ T4492] Call trace: [ 42.340908][ T4492] dump_backtrace+0x0/0x458 [ 42.341649][ T4492] show_stack+0x2c/0x3c [ 42.342470][ T4492] __dump_stack+0x30/0x40 [ 42.343277][ T4492] dump_stack_lvl+0xf4/0x15c [ 42.344110][ T4492] dump_stack+0x1c/0x5c [ 42.344844][ T4492] should_fail+0x3c8/0x520 [ 42.345613][ T4492] __should_failslab+0xbc/0x10c [ 42.346503][ T4492] should_failslab+0x10/0x28 [ 42.347318][ T4492] slab_pre_alloc_hook+0x64/0xe8 [ 42.348192][ T4492] kmem_cache_alloc+0x94/0x3d8 [ 42.348991][ T4492] start_transaction+0x530/0x1438 [ 42.349859][ T4492] btrfs_start_transaction+0x34/0x44 [ 42.350745][ T4492] btrfs_rename2+0x1b7c/0x323c [ 42.351546][ T4492] vfs_rename+0xb08/0xe3c [ 42.352361][ T4492] do_renameat2+0x73c/0xc90 [ 42.353189][ T4492] __arm64_sys_renameat2+0xe8/0x104 [ 42.354109][ T4492] invoke_syscall+0x98/0x28c [ 42.354944][ T4492] el0_svc_common+0x13c/0x258 [ 42.355771][ T4492] do_el0_svc+0x5c/0x140 [ 42.356610][ T4492] el0_svc+0x78/0x1d0 [ 42.357297][ T4492] el0t_64_sync_handler+0xcc/0xe4 [ 42.358185][ T4492] el0t_64_sync+0x1a0/0x1a4 [ 42.599053][ T4562] loop0: detected capacity change from 0 to 32768 [ 42.608655][ T4562] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4562) [ 42.625968][ T4562] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 42.627868][ T4562] BTRFS info (device loop0): using free space tree [ 42.628879][ T4562] BTRFS info (device loop0): has skinny extents [ 42.677984][ T4562] BTRFS info (device loop0): enabling ssd optimizations [ 42.689115][ T4562] FAULT_INJECTION: forcing a failure. [ 42.689115][ T4562] name failslab, interval 1, probability 0, space 0, times 0 [ 42.695789][ T4562] CPU: 1 PID: 4562 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 42.697280][ T4562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 42.699080][ T4562] Call trace: [ 42.699604][ T4562] dump_backtrace+0x0/0x458 [ 42.700374][ T4562] show_stack+0x2c/0x3c [ 42.701037][ T4562] __dump_stack+0x30/0x40 [ 42.701860][ T4562] dump_stack_lvl+0xf4/0x15c [ 42.702740][ T4562] dump_stack+0x1c/0x5c [ 42.703524][ T4562] should_fail+0x3c8/0x520 [ 42.704301][ T4562] __should_failslab+0xbc/0x10c [ 42.705143][ T4562] should_failslab+0x10/0x28 [ 42.705874][ T4562] slab_pre_alloc_hook+0x64/0xe8 [ 42.706690][ T4562] kmem_cache_alloc+0x94/0x3d8 [ 42.707485][ T4562] btrfs_alloc_path+0x5c/0x68 [ 42.708271][ T4562] btrfs_check_dir_item_collision+0x9c/0x2ec [ 42.709460][ T4562] btrfs_rename2+0x1a54/0x323c [ 42.710278][ T4562] vfs_rename+0xb08/0xe3c [ 42.711147][ T4562] do_renameat2+0x73c/0xc90 [ 42.712075][ T4562] __arm64_sys_renameat2+0xe8/0x104 [ 42.713049][ T4562] invoke_syscall+0x98/0x28c [ 42.713936][ T4562] el0_svc_common+0x13c/0x258 [ 42.714792][ T4562] do_el0_svc+0x5c/0x140 [ 42.715525][ T4562] el0_svc+0x78/0x1d0 [ 42.716214][ T4562] el0t_64_sync_handler+0xcc/0xe4 [ 42.717097][ T4562] el0t_64_sync+0x1a0/0x1a4 [ 42.895437][ T4618] loop0: detected capacity change from 0 to 32768 [ 42.902218][ T4618] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4618) [ 42.909369][ T4618] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 42.914948][ T4618] BTRFS info (device loop0): using free space tree [ 42.916169][ T4618] BTRFS info (device loop0): has skinny extents [ 42.926065][ T4618] BTRFS info (device loop0): enabling ssd optimizations [ 42.933077][ T4618] FAULT_INJECTION: forcing a failure. [ 42.933077][ T4618] name failslab, interval 1, probability 0, space 0, times 0 [ 42.935563][ T4618] CPU: 1 PID: 4618 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 42.937043][ T4618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 42.938815][ T4618] Call trace: [ 42.939379][ T4618] dump_backtrace+0x0/0x458 [ 42.940140][ T4618] show_stack+0x2c/0x3c [ 42.940871][ T4618] __dump_stack+0x30/0x40 [ 42.941603][ T4618] dump_stack_lvl+0xf4/0x15c [ 42.942400][ T4618] dump_stack+0x1c/0x5c [ 42.943086][ T4618] should_fail+0x3c8/0x520 [ 42.943805][ T4618] __should_failslab+0xbc/0x10c [ 42.944641][ T4618] should_failslab+0x10/0x28 [ 42.945416][ T4618] slab_pre_alloc_hook+0x64/0xe8 [ 42.946263][ T4618] kmem_cache_alloc+0x94/0x3d8 [ 42.947046][ T4618] btrfs_alloc_path+0x5c/0x68 [ 42.947897][ T4618] __btrfs_unlink_inode+0x1e0/0xab8 [ 42.948804][ T4618] btrfs_rename2+0x21a4/0x323c [ 42.949672][ T4618] vfs_rename+0xb08/0xe3c [ 42.950416][ T4618] do_renameat2+0x73c/0xc90 [ 42.951239][ T4618] __arm64_sys_renameat2+0xe8/0x104 [ 42.952109][ T4618] invoke_syscall+0x98/0x28c [ 42.952876][ T4618] el0_svc_common+0x13c/0x258 [ 42.953690][ T4618] do_el0_svc+0x5c/0x140 [ 42.954418][ T4618] el0_svc+0x78/0x1d0 [ 42.955080][ T4618] el0t_64_sync_handler+0xcc/0xe4 [ 42.955929][ T4618] el0t_64_sync+0x1a0/0x1a4 [ 42.959029][ T4618] ------------[ cut here ]------------ [ 42.960053][ T4618] WARNING: CPU: 1 PID: 4618 at fs/btrfs/inode.c:10009 btrfs_rename2+0x27dc/0x323c [ 42.961608][ T4618] Modules linked in: [ 42.962282][ T4618] CPU: 1 PID: 4618 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 42.963881][ T4618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 42.965568][ T4618] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 42.967106][ T4618] pc : btrfs_rename2+0x27dc/0x323c [ 42.968046][ T4618] lr : btrfs_rename2+0x27dc/0x323c [ 42.968932][ T4618] sp : ffff800020127880 [ 42.969618][ T4618] x29: ffff800020127980 x28: ffff0000d5544000 x27: ffff0000deecc05c [ 42.971155][ T4618] x26: ffff0000cfaa6000 x25: 00000000fffffff4 x24: ffff0000defdf0b0 [ 42.972627][ T4618] x23: ffff0000deda84c0 x22: 0000000000000000 x21: ffff0000ded1b688 [ 42.974149][ T4618] x20: 1fffe0001bda36d1 x19: ffff0000ded1b630 x18: 0000000000000000 [ 42.975681][ T4618] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 42.977210][ T4618] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 42.978718][ T4618] x11: ff80800008300a7c x10: 0000000000000000 x9 : 9829d58786f1b500 [ 42.980126][ T4618] x8 : 9829d58786f1b500 x7 : 0000000000000001 x6 : 0000000000000001 [ 42.981583][ T4618] x5 : ffff800020127198 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 42.983032][ T4618] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 42.984449][ T4618] Call trace: [ 42.985087][ T4618] btrfs_rename2+0x27dc/0x323c [ 42.985963][ T4618] vfs_rename+0xb08/0xe3c [ 42.986750][ T4618] do_renameat2+0x73c/0xc90 [ 42.987560][ T4618] __arm64_sys_renameat2+0xe8/0x104 [ 42.988470][ T4618] invoke_syscall+0x98/0x28c [ 42.989290][ T4618] el0_svc_common+0x13c/0x258 [ 42.990131][ T4618] do_el0_svc+0x5c/0x140 [ 42.990884][ T4618] el0_svc+0x78/0x1d0 [ 42.991566][ T4618] el0t_64_sync_handler+0xcc/0xe4 [ 42.992472][ T4618] el0t_64_sync+0x1a0/0x1a4 [ 42.993273][ T4618] irq event stamp: 81276 [ 42.994014][ T4618] hardirqs last enabled at (81275): [] __up_console_sem+0xb4/0xfc [ 42.995720][ T4618] hardirqs last disabled at (81276): [] el1_dbg+0x24/0x80 [ 42.997249][ T4618] softirqs last enabled at (81256): [] handle_softirqs+0xa70/0xc14 [ 42.998899][ T4618] softirqs last disabled at (81153): [] __irq_exit_rcu+0x240/0x434 [ 43.000586][ T4618] ---[ end trace 5acffc937a867ebd ]--- [ 43.002175][ T4618] BTRFS: error (device loop0) in btrfs_rename:10009: errno=-12 Out of memory [ 43.004363][ T4618] BTRFS info (device loop0): forced readonly [ 43.172461][ T4642] loop0: detected capacity change from 0 to 32768 [ 43.176305][ T4642] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4642) [ 43.183701][ T4642] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 43.185902][ T4642] BTRFS info (device loop0): using free space tree [ 43.187005][ T4642] BTRFS info (device loop0): has skinny extents [ 43.195748][ T4642] BTRFS info (device loop0): enabling ssd optimizations [ 43.200610][ T4642] FAULT_INJECTION: forcing a failure. [ 43.200610][ T4642] name failslab, interval 1, probability 0, space 0, times 0 [ 43.203059][ T4642] CPU: 0 PID: 4642 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.204654][ T4642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.206391][ T4642] Call trace: [ 43.206930][ T4642] dump_backtrace+0x0/0x458 [ 43.207673][ T4642] show_stack+0x2c/0x3c [ 43.208330][ T4642] __dump_stack+0x30/0x40 [ 43.209033][ T4642] dump_stack_lvl+0xf4/0x15c [ 43.209789][ T4642] dump_stack+0x1c/0x5c [ 43.210482][ T4642] should_fail+0x3c8/0x520 [ 43.211243][ T4642] __should_failslab+0xbc/0x10c [ 43.212114][ T4642] should_failslab+0x10/0x28 [ 43.212911][ T4642] slab_pre_alloc_hook+0x64/0xe8 [ 43.213929][ T4642] kmem_cache_alloc+0x94/0x3d8 [ 43.214871][ T4642] btrfs_alloc_path+0x5c/0x68 [ 43.215800][ T4642] btrfs_insert_inode_ref+0xf4/0xa24 [ 43.216855][ T4642] btrfs_rename2+0x1f20/0x323c [ 43.217754][ T4642] vfs_rename+0xb08/0xe3c [ 43.218607][ T4642] do_renameat2+0x73c/0xc90 [ 43.219485][ T4642] __arm64_sys_renameat2+0xe8/0x104 [ 43.220447][ T4642] invoke_syscall+0x98/0x28c [ 43.221269][ T4642] el0_svc_common+0x13c/0x258 [ 43.222135][ T4642] do_el0_svc+0x5c/0x140 [ 43.222900][ T4642] el0_svc+0x78/0x1d0 [ 43.223688][ T4642] el0t_64_sync_handler+0xcc/0xe4 [ 43.224665][ T4642] el0t_64_sync+0x1a0/0x1a4 [ 43.387481][ T4664] loop0: detected capacity change from 0 to 32768 [ 43.390274][ T4664] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4664) [ 43.396388][ T4664] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 43.399162][ T4664] BTRFS info (device loop0): using free space tree [ 43.400416][ T4664] BTRFS info (device loop0): has skinny extents [ 43.409265][ T4664] BTRFS info (device loop0): enabling ssd optimizations [ 43.415187][ T4664] FAULT_INJECTION: forcing a failure. [ 43.415187][ T4664] name failslab, interval 1, probability 0, space 0, times 0 [ 43.417610][ T4664] CPU: 1 PID: 4664 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.419245][ T4664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.421080][ T4664] Call trace: [ 43.421658][ T4664] dump_backtrace+0x0/0x458 [ 43.422455][ T4664] show_stack+0x2c/0x3c [ 43.423138][ T4664] __dump_stack+0x30/0x40 [ 43.423894][ T4664] dump_stack_lvl+0xf4/0x15c [ 43.424678][ T4664] dump_stack+0x1c/0x5c [ 43.425431][ T4664] should_fail+0x3c8/0x520 [ 43.426183][ T4664] __should_failslab+0xbc/0x10c [ 43.427033][ T4664] should_failslab+0x10/0x28 [ 43.427818][ T4664] slab_pre_alloc_hook+0x64/0xe8 [ 43.428664][ T4664] kmem_cache_alloc+0x94/0x3d8 [ 43.429507][ T4664] btrfs_alloc_path+0x5c/0x68 [ 43.430333][ T4664] btrfs_check_dir_item_collision+0x9c/0x2ec [ 43.431389][ T4664] btrfs_rename2+0x1a54/0x323c [ 43.432192][ T4664] vfs_rename+0xb08/0xe3c [ 43.432907][ T4664] do_renameat2+0x73c/0xc90 [ 43.433683][ T4664] __arm64_sys_renameat2+0xe8/0x104 [ 43.434521][ T4664] invoke_syscall+0x98/0x28c [ 43.435294][ T4664] el0_svc_common+0x13c/0x258 [ 43.436077][ T4664] do_el0_svc+0x5c/0x140 [ 43.436788][ T4664] el0_svc+0x78/0x1d0 [ 43.437445][ T4664] el0t_64_sync_handler+0xcc/0xe4 [ 43.438301][ T4664] el0t_64_sync+0x1a0/0x1a4 [ 43.629478][ T4685] loop0: detected capacity change from 0 to 32768 [ 43.632974][ T4685] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4685) [ 43.638164][ T4685] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 43.639919][ T4685] BTRFS info (device loop0): using free space tree [ 43.641055][ T4685] BTRFS info (device loop0): has skinny extents [ 43.651345][ T4685] BTRFS info (device loop0): enabling ssd optimizations [ 43.656482][ T4685] FAULT_INJECTION: forcing a failure. [ 43.656482][ T4685] name failslab, interval 1, probability 0, space 0, times 0 [ 43.658752][ T4685] CPU: 0 PID: 4685 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.660324][ T4685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.662264][ T4685] Call trace: [ 43.662885][ T4685] dump_backtrace+0x0/0x458 [ 43.663736][ T4685] show_stack+0x2c/0x3c [ 43.664500][ T4685] __dump_stack+0x30/0x40 [ 43.665293][ T4685] dump_stack_lvl+0xf4/0x15c [ 43.666046][ T4685] dump_stack+0x1c/0x5c [ 43.666894][ T4685] should_fail+0x3c8/0x520 [ 43.667727][ T4685] __should_failslab+0xbc/0x10c [ 43.668682][ T4685] should_failslab+0x10/0x28 [ 43.669616][ T4685] slab_pre_alloc_hook+0x64/0xe8 [ 43.670642][ T4685] kmem_cache_alloc+0x94/0x3d8 [ 43.671556][ T4685] start_transaction+0x530/0x1438 [ 43.672493][ T4685] btrfs_start_transaction+0x34/0x44 [ 43.673430][ T4685] btrfs_rename2+0x1b7c/0x323c [ 43.674423][ T4685] vfs_rename+0xb08/0xe3c [ 43.675311][ T4685] do_renameat2+0x73c/0xc90 [ 43.676209][ T4685] __arm64_sys_renameat2+0xe8/0x104 [ 43.677138][ T4685] invoke_syscall+0x98/0x28c [ 43.677962][ T4685] el0_svc_common+0x13c/0x258 [ 43.678796][ T4685] do_el0_svc+0x5c/0x140 [ 43.679680][ T4685] el0_svc+0x78/0x1d0 [ 43.680409][ T4685] el0t_64_sync_handler+0xcc/0xe4 [ 43.681281][ T4685] el0t_64_sync+0x1a0/0x1a4 [ 43.870192][ T4706] loop0: detected capacity change from 0 to 32768 [ 43.873172][ T4706] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4706) [ 43.876641][ T4706] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 43.879269][ T4706] BTRFS info (device loop0): using free space tree [ 43.880531][ T4706] BTRFS info (device loop0): has skinny extents [ 43.893631][ T4706] BTRFS info (device loop0): enabling ssd optimizations [ 43.898705][ T4706] FAULT_INJECTION: forcing a failure. [ 43.898705][ T4706] name failslab, interval 1, probability 0, space 0, times 0 [ 43.901369][ T4706] CPU: 1 PID: 4706 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.903061][ T4706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.904835][ T4706] Call trace: [ 43.905484][ T4706] dump_backtrace+0x0/0x458 [ 43.906277][ T4706] show_stack+0x2c/0x3c [ 43.907006][ T4706] __dump_stack+0x30/0x40 [ 43.907766][ T4706] dump_stack_lvl+0xf4/0x15c [ 43.908551][ T4706] dump_stack+0x1c/0x5c [ 43.909275][ T4706] should_fail+0x3c8/0x520 [ 43.910091][ T4706] __should_failslab+0xbc/0x10c [ 43.910975][ T4706] should_failslab+0x10/0x28 [ 43.911737][ T4706] slab_pre_alloc_hook+0x64/0xe8 [ 43.912703][ T4706] kmem_cache_alloc+0x94/0x3d8 [ 43.913637][ T4706] btrfs_alloc_path+0x5c/0x68 [ 43.914562][ T4706] __btrfs_unlink_inode+0x1e0/0xab8 [ 43.915564][ T4706] btrfs_rename2+0x21a4/0x323c [ 43.916367][ T4706] vfs_rename+0xb08/0xe3c [ 43.917147][ T4706] do_renameat2+0x73c/0xc90 [ 43.917941][ T4706] __arm64_sys_renameat2+0xe8/0x104 [ 43.918851][ T4706] invoke_syscall+0x98/0x28c [ 43.919633][ T4706] el0_svc_common+0x13c/0x258 [ 43.920437][ T4706] do_el0_svc+0x5c/0x140 [ 43.921168][ T4706] el0_svc+0x78/0x1d0 [ 43.921846][ T4706] el0t_64_sync_handler+0xcc/0xe4 [ 43.922701][ T4706] el0t_64_sync+0x1a0/0x1a4 [ 43.924859][ T4706] ------------[ cut here ]------------ [ 43.925901][ T4706] WARNING: CPU: 1 PID: 4706 at fs/btrfs/inode.c:10009 btrfs_rename2+0x27dc/0x323c [ 43.927634][ T4706] Modules linked in: [ 43.928389][ T4706] CPU: 1 PID: 4706 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.930025][ T4706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.931722][ T4706] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 43.933042][ T4706] pc : btrfs_rename2+0x27dc/0x323c [ 43.933952][ T4706] lr : btrfs_rename2+0x27dc/0x323c [ 43.934848][ T4706] sp : ffff800020227880 [ 43.935551][ T4706] x29: ffff800020227980 x28: ffff0000d6338000 x27: ffff0000dd121954 [ 43.936921][ T4706] x26: ffff0000cbb3a000 x25: 00000000fffffff4 x24: ffff0000dedabfa0 [ 43.938255][ T4706] x23: ffff0000dedad340 x22: 0000000000000000 x21: ffff0000ded1bcb8 [ 43.939600][ T4706] x20: 1fffe0001bda3797 x19: ffff0000ded1bc60 x18: 0000000000000000 [ 43.941025][ T4706] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 43.942424][ T4706] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 43.943803][ T4706] x11: ff80800008300a7c x10: 0000000000000000 x9 : 42e8712859a50100 [ 43.945175][ T4706] x8 : 42e8712859a50100 x7 : 0000000000000001 x6 : 0000000000000001 [ 43.946559][ T4706] x5 : ffff800020227198 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 43.948168][ T4706] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 43.949592][ T4706] Call trace: [ 43.950137][ T4706] btrfs_rename2+0x27dc/0x323c [ 43.950982][ T4706] vfs_rename+0xb08/0xe3c [ 43.951720][ T4706] do_renameat2+0x73c/0xc90 [ 43.952475][ T4706] __arm64_sys_renameat2+0xe8/0x104 [ 43.953375][ T4706] invoke_syscall+0x98/0x28c [ 43.954146][ T4706] el0_svc_common+0x13c/0x258 [ 43.954913][ T4706] do_el0_svc+0x5c/0x140 [ 43.955584][ T4706] el0_svc+0x78/0x1d0 [ 43.956370][ T4706] el0t_64_sync_handler+0xcc/0xe4 [ 43.957316][ T4706] el0t_64_sync+0x1a0/0x1a4 [ 43.958159][ T4706] irq event stamp: 79962 [ 43.958949][ T4706] hardirqs last enabled at (79961): [] __up_console_sem+0xb4/0xfc [ 43.960705][ T4706] hardirqs last disabled at (79962): [] el1_dbg+0x24/0x80 [ 43.962220][ T4706] softirqs last enabled at (79942): [] handle_softirqs+0xa70/0xc14 [ 43.963837][ T4706] softirqs last disabled at (79915): [] __irq_exit_rcu+0x240/0x434 [ 43.965438][ T4706] ---[ end trace 5acffc937a867ebe ]--- [ 43.967012][ T4706] BTRFS: error (device loop0) in btrfs_rename:10009: errno=-12 Out of memory [ 43.968592][ T4706] BTRFS info (device loop0): forced readonly [ 44.160248][ T4727] loop0: detected capacity change from 0 to 32768 [ 44.164919][ T4727] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4727) [ 44.173466][ T4727] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 44.175237][ T4727] BTRFS info (device loop0): using free space tree [ 44.176358][ T4727] BTRFS info (device loop0): has skinny extents [ 44.194855][ T4727] BTRFS info (device loop0): enabling ssd optimizations [ 44.200665][ T4727] FAULT_INJECTION: forcing a failure. [ 44.200665][ T4727] name failslab, interval 1, probability 0, space 0, times 0 [ 44.203355][ T4727] CPU: 1 PID: 4727 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.205022][ T4727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.206911][ T4727] Call trace: [ 44.207555][ T4727] dump_backtrace+0x0/0x458 [ 44.208418][ T4727] show_stack+0x2c/0x3c [ 44.209274][ T4727] __dump_stack+0x30/0x40 [ 44.210136][ T4727] dump_stack_lvl+0xf4/0x15c [ 44.211008][ T4727] dump_stack+0x1c/0x5c [ 44.211754][ T4727] should_fail+0x3c8/0x520 [ 44.212488][ T4727] __should_failslab+0xbc/0x10c [ 44.213315][ T4727] should_failslab+0x10/0x28 [ 44.214093][ T4727] slab_pre_alloc_hook+0x64/0xe8 [ 44.214947][ T4727] kmem_cache_alloc+0x94/0x3d8 [ 44.215771][ T4727] btrfs_alloc_path+0x5c/0x68 [ 44.216594][ T4727] __btrfs_unlink_inode+0x1e0/0xab8 [ 44.217547][ T4727] btrfs_rename2+0x21a4/0x323c [ 44.218390][ T4727] vfs_rename+0xb08/0xe3c [ 44.219109][ T4727] do_renameat2+0x73c/0xc90 [ 44.219880][ T4727] __arm64_sys_renameat2+0xe8/0x104 [ 44.220760][ T4727] invoke_syscall+0x98/0x28c [ 44.221536][ T4727] el0_svc_common+0x13c/0x258 [ 44.222342][ T4727] do_el0_svc+0x5c/0x140 [ 44.223036][ T4727] el0_svc+0x78/0x1d0 [ 44.223744][ T4727] el0t_64_sync_handler+0xcc/0xe4 [ 44.224602][ T4727] el0t_64_sync+0x1a0/0x1a4 [ 44.226717][ T4727] ------------[ cut here ]------------ [ 44.227782][ T4727] WARNING: CPU: 1 PID: 4727 at fs/btrfs/inode.c:10009 btrfs_rename2+0x27dc/0x323c [ 44.229442][ T4727] Modules linked in: [ 44.230119][ T4727] CPU: 1 PID: 4727 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.231689][ T4727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.233340][ T4727] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.234714][ T4727] pc : btrfs_rename2+0x27dc/0x323c [ 44.235662][ T4727] lr : btrfs_rename2+0x27dc/0x323c [ 44.236599][ T4727] sp : ffff80001f937880 [ 44.237286][ T4727] x29: ffff80001f937980 x28: ffff0000d761c000 x27: ffff0000dd16ac1c [ 44.238664][ T4727] x26: ffff0000d80e0000 x25: 00000000fffffff4 x24: ffff0000dedadd10 [ 44.240054][ T4727] x23: ffff0000dedaf0b0 x22: 0000000000000000 x21: ffff0000ded1bec8 [ 44.241536][ T4727] x20: 1fffe0001bda37d9 x19: ffff0000ded1be70 x18: 0000000000000000 [ 44.243017][ T4727] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 44.244425][ T4727] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 44.245797][ T4727] x11: ff80800008300a7c x10: 0000000000000000 x9 : 73db9e53db208b00 [ 44.247158][ T4727] x8 : 73db9e53db208b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 44.248557][ T4727] x5 : ffff80001f937198 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 44.249920][ T4727] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 44.251272][ T4727] Call trace: [ 44.251820][ T4727] btrfs_rename2+0x27dc/0x323c [ 44.252602][ T4727] vfs_rename+0xb08/0xe3c [ 44.253359][ T4727] do_renameat2+0x73c/0xc90 [ 44.254135][ T4727] __arm64_sys_renameat2+0xe8/0x104 [ 44.255054][ T4727] invoke_syscall+0x98/0x28c [ 44.255811][ T4727] el0_svc_common+0x13c/0x258 [ 44.256613][ T4727] do_el0_svc+0x5c/0x140 [ 44.257334][ T4727] el0_svc+0x78/0x1d0 [ 44.257991][ T4727] el0t_64_sync_handler+0xcc/0xe4 [ 44.258875][ T4727] el0t_64_sync+0x1a0/0x1a4 [ 44.259655][ T4727] irq event stamp: 80952 [ 44.260360][ T4727] hardirqs last enabled at (80951): [] __up_console_sem+0xb4/0xfc [ 44.261988][ T4727] hardirqs last disabled at (80952): [] el1_dbg+0x24/0x80 [ 44.263512][ T4727] softirqs last enabled at (80932): [] handle_softirqs+0xa70/0xc14 [ 44.265164][ T4727] softirqs last disabled at (80889): [] __irq_exit_rcu+0x240/0x434 [ 44.266790][ T4727] ---[ end trace 5acffc937a867ebf ]--- [ 44.268918][ T4727] BTRFS: error (device loop0) in btrfs_rename:10009: errno=-12 Out of memory [ 44.270490][ T4727] BTRFS info (device loop0): forced readonly [ 44.270995][ T4411] Bluetooth: hci0: command 0x041b tx timeout [ 44.479780][ T4750] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4750) [ 44.484844][ T4750] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 44.486730][ T4750] BTRFS info (device loop0): using free space tree [ 44.488028][ T4750] BTRFS info (device loop0): has skinny extents [ 44.496418][ T4750] BTRFS info (device loop0): enabling ssd optimizations [ 44.502605][ T4750] FAULT_INJECTION: forcing a failure. [ 44.502605][ T4750] name failslab, interval 1, probability 0, space 0, times 0 [ 44.505021][ T4750] CPU: 1 PID: 4750 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.506713][ T4750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.508739][ T4750] Call trace: [ 44.509309][ T4750] dump_backtrace+0x0/0x458 [ 44.510105][ T4750] show_stack+0x2c/0x3c [ 44.510839][ T4750] __dump_stack+0x30/0x40 [ 44.511608][ T4750] dump_stack_lvl+0xf4/0x15c [ 44.512410][ T4750] dump_stack+0x1c/0x5c [ 44.513113][ T4750] should_fail+0x3c8/0x520 [ 44.513874][ T4750] __should_failslab+0xbc/0x10c [ 44.514688][ T4750] should_failslab+0x10/0x28 [ 44.515491][ T4750] slab_pre_alloc_hook+0x64/0xe8 [ 44.516365][ T4750] kmem_cache_alloc+0x94/0x3d8 [ 44.517182][ T4750] start_transaction+0x530/0x1438 [ 44.518054][ T4750] btrfs_start_transaction+0x34/0x44 [ 44.518952][ T4750] btrfs_rename2+0x1b7c/0x323c [ 44.519730][ T4750] vfs_rename+0xb08/0xe3c [ 44.520463][ T4750] do_renameat2+0x73c/0xc90 [ 44.521208][ T4750] __arm64_sys_renameat2+0xe8/0x104 [ 44.522102][ T4750] invoke_syscall+0x98/0x28c [ 44.522876][ T4750] el0_svc_common+0x13c/0x258 [ 44.523676][ T4750] do_el0_svc+0x5c/0x140 [ 44.524418][ T4750] el0_svc+0x78/0x1d0 [ 44.525068][ T4750] el0t_64_sync_handler+0xcc/0xe4 [ 44.525907][ T4750] el0t_64_sync+0x1a0/0x1a4 [ 44.749019][ T4772] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4772) [ 44.758156][ T4772] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 44.764713][ T4772] BTRFS info (device loop0): using free space tree [ 44.765901][ T4772] BTRFS info (device loop0): has skinny extents [ 44.780918][ T4772] BTRFS info (device loop0): enabling ssd optimizations [ 44.786268][ T4772] FAULT_INJECTION: forcing a failure. [ 44.786268][ T4772] name failslab, interval 1, probability 0, space 0, times 0 [ 44.788585][ T4772] CPU: 0 PID: 4772 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.790145][ T4772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.791853][ T4772] Call trace: [ 44.792399][ T4772] dump_backtrace+0x0/0x458 [ 44.793194][ T4772] show_stack+0x2c/0x3c [ 44.793918][ T4772] __dump_stack+0x30/0x40 [ 44.794715][ T4772] dump_stack_lvl+0xf4/0x15c [ 44.795489][ T4772] dump_stack+0x1c/0x5c [ 44.796168][ T4772] should_fail+0x3c8/0x520 [ 44.796907][ T4772] __should_failslab+0xbc/0x10c [ 44.797737][ T4772] should_failslab+0x10/0x28 [ 44.798527][ T4772] slab_pre_alloc_hook+0x64/0xe8 [ 44.799354][ T4772] kmem_cache_alloc+0x94/0x3d8 [ 44.800165][ T4772] btrfs_alloc_path+0x5c/0x68 [ 44.800986][ T4772] __btrfs_unlink_inode+0x1e0/0xab8 [ 44.801852][ T4772] btrfs_rename2+0x21a4/0x323c [ 44.802671][ T4772] vfs_rename+0xb08/0xe3c [ 44.803436][ T4772] do_renameat2+0x73c/0xc90 [ 44.804251][ T4772] __arm64_sys_renameat2+0xe8/0x104 [ 44.805089][ T4772] invoke_syscall+0x98/0x28c [ 44.805865][ T4772] el0_svc_common+0x13c/0x258 [ 44.806685][ T4772] do_el0_svc+0x5c/0x140 [ 44.807404][ T4772] el0_svc+0x78/0x1d0 [ 44.808078][ T4772] el0t_64_sync_handler+0xcc/0xe4 [ 44.808975][ T4772] el0t_64_sync+0x1a0/0x1a4 [ 44.810283][ T4772] ------------[ cut here ]------------ [ 44.811337][ T4772] WARNING: CPU: 0 PID: 4772 at fs/btrfs/inode.c:10009 btrfs_rename2+0x27dc/0x323c [ 44.812793][ T4772] Modules linked in: [ 44.813451][ T4772] CPU: 0 PID: 4772 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.814981][ T4772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.816701][ T4772] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.817990][ T4772] pc : btrfs_rename2+0x27dc/0x323c [ 44.818848][ T4772] lr : btrfs_rename2+0x27dc/0x323c [ 44.819682][ T4772] sp : ffff80001f937880 [ 44.820380][ T4772] x29: ffff80001f937980 x28: ffff0000c8c94000 x27: ffff0000dd179084 [ 44.821784][ T4772] x26: ffff0000d9a3a000 x25: 00000000fffffff4 x24: ffff0000e24d2230 [ 44.823195][ T4772] x23: ffff0000e24d35d0 x22: 0000000000000000 x21: ffff0000ded4ee18 [ 44.824602][ T4772] x20: 1fffe0001bda9dc3 x19: ffff0000ded4edc0 x18: 0000000000000000 [ 44.826002][ T4772] x17: 0000000000000000 x16: ffff8000082c6844 x15: 0000000000000000 [ 44.827384][ T4772] x14: 0000000000000001 x13: 1ffff00003f26e30 x12: 0000000000000000 [ 44.828708][ T4772] x11: ff80800008300a7c x10: 0000000000000000 x9 : aa18a6e68762c300 [ 44.830065][ T4772] x8 : aa18a6e68762c300 x7 : 0000000000000001 x6 : 0000000000000001 [ 44.831413][ T4772] x5 : ffff80001f937198 x4 : ffff80001448f520 x3 : ffff8000083083a4 [ 44.832801][ T4772] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 44.834229][ T4772] Call trace: [ 44.834803][ T4772] btrfs_rename2+0x27dc/0x323c [ 44.835606][ T4772] vfs_rename+0xb08/0xe3c [ 44.836336][ T4772] do_renameat2+0x73c/0xc90 [ 44.837118][ T4772] __arm64_sys_renameat2+0xe8/0x104 [ 44.837997][ T4772] invoke_syscall+0x98/0x28c [ 44.838785][ T4772] el0_svc_common+0x13c/0x258 [ 44.839586][ T4772] do_el0_svc+0x5c/0x140 [ 44.840319][ T4772] el0_svc+0x78/0x1d0 [ 44.841019][ T4772] el0t_64_sync_handler+0xcc/0xe4 [ 44.841910][ T4772] el0t_64_sync+0x1a0/0x1a4 [ 44.842697][ T4772] irq event stamp: 80488 [ 44.843462][ T4772] hardirqs last enabled at (80487): [] __up_console_sem+0xb4/0xfc [ 44.845015][ T4772] hardirqs last disabled at (80488): [] el1_dbg+0x24/0x80 [ 44.846489][ T4772] softirqs last enabled at (80466): [] handle_softirqs+0xa70/0xc14 [ 44.848187][ T4772] softirqs last disabled at (80361): [] __irq_exit_rcu+0x240/0x434 [ 44.849787][ T4772] ---[ end trace 5acffc937a867ec0 ]--- [ 44.851187][ T4772] BTRFS: error (device loop0) in btrfs_rename:10009: errno=-12 Out of memory [ 44.852889][ T4772] BTRFS info (device loop0): forced readonly [ 45.033842][ T4793] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4793) [ 45.038735][ T4793] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 45.040618][ T4793] BTRFS info (device loop0): using free space tree [ 45.042261][ T4793] BTRFS info (device loop0): has skinny extents [ 45.050376][ T4793] BTRFS info (device loop0): enabling ssd optimizations [ 45.056997][ T4793] FAULT_INJECTION: forcing a failure. [ 45.056997][ T4793] name failslab, interval 1, probability 0, space 0, times 0 [ 45.059352][ T4793] CPU: 1 PID: 4793 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.061107][ T4793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.063018][ T4793] Call trace: [ 45.063641][ T4793] dump_backtrace+0x0/0x458 [ 45.064519][ T4793] show_stack+0x2c/0x3c [ 45.065207][ T4793] __dump_stack+0x30/0x40 [ 45.065970][ T4793] dump_stack_lvl+0xf4/0x15c [ 45.066804][ T4793] dump_stack+0x1c/0x5c [ 45.067531][ T4793] should_fail+0x3c8/0x520 [ 45.068262][ T4793] __should_failslab+0xbc/0x10c [ 45.069070][ T4793] should_failslab+0x10/0x28 [ 45.069878][ T4793] slab_pre_alloc_hook+0x64/0xe8 [ 45.070901][ T4793] kmem_cache_alloc+0x94/0x3d8 [ 45.071849][ T4793] btrfs_alloc_path+0x5c/0x68 [ 45.072747][ T4793] __btrfs_unlink_inode+0x1e0/0xab8 [ 45.073731][ T4793] btrfs_rename2+0x21a4/0x323c [ 45.074645][ T4793] vfs_rename+0xb08/0xe3c [ 45.075462][ T4793] do_renameat2+0x73c/0xc90 [ 45.076216][ T4793] __arm64_sys_renameat2+0xe8/0x104 [ 45.077140][ T4793] invoke_syscall+0x98/0x28c [ 45.077972][ T4793] el0_svc_common+0x13c/0x258 [ 45.078881][ T4793] do_el0_svc+0x5c/0x140 [ 45.079698][ T4793] el0_svc+0x78/0x1d0 [ 45.080394][ T4793] el0t_64_sync_handler+0xcc/0xe4 [ 45.081263][ T4793] el0t_64_sync+0x1a0/0x1a4 [ 45.084422][ T4793] ------------[ cut here ]------------ [ 45.085460][ T4793] WARNING: CPU: 1 PID: 4793 at fs/btrfs/inode.c:10009 btrfs_rename2+0x27dc/0x323c [ 45.086970][ T4793] Modules linked in: [ 45.087606][ T4793] CPU: 1 PID: 4793 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.089406][ T4793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.091316][ T4793] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 45.092718][ T4793] pc : btrfs_rename2+0x27dc/0x323c [ 45.093628][ T4793] lr : btrfs_rename2+0x27dc/0x323c [ 45.094520][ T4793] sp : ffff800020227880 [ 45.095238][ T4793] x29: ffff800020227980 x28: ffff0000dd404000 x27: ffff0000c0547dbc [ 45.096635][ T4793] x26: ffff0000da060000 x25: 00000000fffffff4 x24: ffff0000e24f2c00 [ 45.098025][ T4793] x23: ffff0000e24f3fa0 x22: 0000000000000000 x21: ffff0000dd3e3268 [ 45.099434][ T4793] x20: 1fffe0001ba7c64d x19: ffff0000dd3e3210 x18: 0000000000000000 [ 45.100812][ T4793] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 45.102148][ T4793] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 45.103525][ T4793] x11: ff80800008300a7c x10: 0000000000000000 x9 : b09e06d336c86400 [ 45.104911][ T4793] x8 : b09e06d336c86400 x7 : 0000000000000001 x6 : 0000000000000001 [ 45.106296][ T4793] x5 : ffff800020227198 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 45.107678][ T4793] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 45.109048][ T4793] Call trace: [ 45.109589][ T4793] btrfs_rename2+0x27dc/0x323c [ 45.110380][ T4793] vfs_rename+0xb08/0xe3c [ 45.111285][ T4793] do_renameat2+0x73c/0xc90 [ 45.112218][ T4793] __arm64_sys_renameat2+0xe8/0x104 [ 45.113180][ T4793] invoke_syscall+0x98/0x28c [ 45.113982][ T4793] el0_svc_common+0x13c/0x258 [ 45.114927][ T4793] do_el0_svc+0x5c/0x140 [ 45.115640][ T4793] el0_svc+0x78/0x1d0 [ 45.116294][ T4793] el0t_64_sync_handler+0xcc/0xe4 [ 45.117280][ T4793] el0t_64_sync+0x1a0/0x1a4 [ 45.118102][ T4793] irq event stamp: 80498 [ 45.118870][ T4793] hardirqs last enabled at (80497): [] __up_console_sem+0xb4/0xfc [ 45.120514][ T4793] hardirqs last disabled at (80498): [] el1_dbg+0x24/0x80 [ 45.122025][ T4793] softirqs last enabled at (80478): [] handle_softirqs+0xa70/0xc14 [ 45.123704][ T4793] softirqs last disabled at (80375): [] __irq_exit_rcu+0x240/0x434 [ 45.125404][ T4793] ---[ end trace 5acffc937a867ec1 ]--- [ 45.127323][ T4793] BTRFS: error (device loop0) in btrfs_rename:10009: errno=-12 Out of memory [ 45.128852][ T4793] BTRFS info (device loop0): forced readonly 1970/01/01 00:00:45 executed programs: 13 [ 45.315845][ T4814] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4814) [ 45.324800][ T4814] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 45.326835][ T4814] BTRFS info (device loop0): using free space tree [ 45.327875][ T4814] BTRFS info (device loop0): has skinny extents [ 45.343988][ T4814] BTRFS info (device loop0): enabling ssd optimizations [ 45.349618][ T4814] FAULT_INJECTION: forcing a failure. [ 45.349618][ T4814] name failslab, interval 1, probability 0, space 0, times 0 [ 45.352475][ T4814] CPU: 1 PID: 4814 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.354081][ T4814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.355798][ T4814] Call trace: [ 45.356362][ T4814] dump_backtrace+0x0/0x458 [ 45.357152][ T4814] show_stack+0x2c/0x3c [ 45.357877][ T4814] __dump_stack+0x30/0x40 [ 45.358756][ T4814] dump_stack_lvl+0xf4/0x15c [ 45.359606][ T4814] dump_stack+0x1c/0x5c [ 45.360381][ T4814] should_fail+0x3c8/0x520 [ 45.361187][ T4814] __should_failslab+0xbc/0x10c [ 45.361881][ T4814] should_failslab+0x10/0x28 [ 45.362637][ T4814] slab_pre_alloc_hook+0x64/0xe8 [ 45.363434][ T4814] kmem_cache_alloc+0x94/0x3d8 [ 45.364380][ T4814] btrfs_alloc_path+0x5c/0x68 [ 45.365257][ T4814] __btrfs_unlink_inode+0x1e0/0xab8 [ 45.366179][ T4814] btrfs_rename2+0x21a4/0x323c [ 45.367015][ T4814] vfs_rename+0xb08/0xe3c [ 45.367737][ T4814] do_renameat2+0x73c/0xc90 [ 45.368510][ T4814] __arm64_sys_renameat2+0xe8/0x104 [ 45.369390][ T4814] invoke_syscall+0x98/0x28c [ 45.370193][ T4814] el0_svc_common+0x13c/0x258 [ 45.370988][ T4814] do_el0_svc+0x5c/0x140 [ 45.371688][ T4814] el0_svc+0x78/0x1d0 [ 45.372364][ T4814] el0t_64_sync_handler+0xcc/0xe4 [ 45.373208][ T4814] el0t_64_sync+0x1a0/0x1a4 [ 45.376367][ T4814] ------------[ cut here ]------------ [ 45.377408][ T4814] WARNING: CPU: 1 PID: 4814 at fs/btrfs/inode.c:10009 btrfs_rename2+0x27dc/0x323c [ 45.379006][ T4814] Modules linked in: [ 45.379668][ T4814] CPU: 1 PID: 4814 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.381474][ T4814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.383293][ T4814] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 45.384731][ T4814] pc : btrfs_rename2+0x27dc/0x323c [ 45.385718][ T4814] lr : btrfs_rename2+0x27dc/0x323c [ 45.386629][ T4814] sp : ffff800020727880 [ 45.387397][ T4814] x29: ffff800020727980 x28: ffff0000cebdc000 x27: ffff0000dd1f9954 [ 45.388894][ T4814] x26: ffff0000c150a000 x25: 00000000fffffff4 x24: ffff0000e24f4970 [ 45.390330][ T4814] x23: ffff0000e24f5d10 x22: 0000000000000000 x21: ffff0000dd3e3478 [ 45.391752][ T4814] x20: 1fffe0001ba7c68f x19: ffff0000dd3e3420 x18: 0000000000000000 [ 45.393149][ T4814] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 45.394527][ T4814] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 45.395909][ T4814] x11: ff80800008300a7c x10: 0000000000000000 x9 : 544cd9e4b0382600 [ 45.397552][ T4814] x8 : 544cd9e4b0382600 x7 : 0000000000000001 x6 : 0000000000000001 [ 45.399224][ T4814] x5 : ffff800020727198 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 45.400665][ T4814] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 45.402311][ T4814] Call trace: [ 45.402972][ T4814] btrfs_rename2+0x27dc/0x323c [ 45.403885][ T4814] vfs_rename+0xb08/0xe3c [ 45.404708][ T4814] do_renameat2+0x73c/0xc90 [ 45.405568][ T4814] __arm64_sys_renameat2+0xe8/0x104 [ 45.406483][ T4814] invoke_syscall+0x98/0x28c [ 45.407298][ T4814] el0_svc_common+0x13c/0x258 [ 45.408095][ T4814] do_el0_svc+0x5c/0x140 [ 45.408825][ T4814] el0_svc+0x78/0x1d0 [ 45.409470][ T4814] el0t_64_sync_handler+0xcc/0xe4 [ 45.410355][ T4814] el0t_64_sync+0x1a0/0x1a4 [ 45.411139][ T4814] irq event stamp: 80688 [ 45.411860][ T4814] hardirqs last enabled at (80687): [] __up_console_sem+0xb4/0xfc [ 45.413649][ T4814] hardirqs last disabled at (80688): [] el1_dbg+0x24/0x80 [ 45.415268][ T4814] softirqs last enabled at (80668): [] handle_softirqs+0xa70/0xc14 [ 45.416895][ T4814] softirqs last disabled at (80549): [] __irq_exit_rcu+0x240/0x434 [ 45.418573][ T4814] ---[ end trace 5acffc937a867ec2 ]--- [ 45.420643][ T4814] BTRFS: error (device loop0) in btrfs_rename:10009: errno=-12 Out of memory [ 45.422186][ T4814] BTRFS info (device loop0): forced readonly [ 45.638034][ T4835] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4835) [ 45.644412][ T4835] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 45.646194][ T4835] BTRFS info (device loop0): using free space tree [ 45.647336][ T4835] BTRFS info (device loop0): has skinny extents [ 45.659411][ T4835] BTRFS info (device loop0): enabling ssd optimizations [ 45.665587][ T4835] FAULT_INJECTION: forcing a failure. [ 45.665587][ T4835] name failslab, interval 1, probability 0, space 0, times 0 [ 45.667942][ T4835] CPU: 0 PID: 4835 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.669496][ T4835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.671297][ T4835] Call trace: [ 45.671890][ T4835] dump_backtrace+0x0/0x458 [ 45.672691][ T4835] show_stack+0x2c/0x3c [ 45.673442][ T4835] __dump_stack+0x30/0x40 [ 45.674219][ T4835] dump_stack_lvl+0xf4/0x15c [ 45.675048][ T4835] dump_stack+0x1c/0x5c [ 45.675786][ T4835] should_fail+0x3c8/0x520 [ 45.676567][ T4835] __should_failslab+0xbc/0x10c [ 45.677406][ T4835] should_failslab+0x10/0x28 [ 45.678234][ T4835] slab_pre_alloc_hook+0x64/0xe8 [ 45.679038][ T4835] kmem_cache_alloc+0x94/0x3d8 [ 45.679803][ T4835] start_transaction+0x530/0x1438 [ 45.680648][ T4835] btrfs_start_transaction+0x34/0x44 [ 45.681542][ T4835] btrfs_rename2+0x1b7c/0x323c [ 45.682334][ T4835] vfs_rename+0xb08/0xe3c [ 45.683081][ T4835] do_renameat2+0x73c/0xc90 [ 45.683869][ T4835] __arm64_sys_renameat2+0xe8/0x104 [ 45.684776][ T4835] invoke_syscall+0x98/0x28c [ 45.685564][ T4835] el0_svc_common+0x13c/0x258 [ 45.686318][ T4835] do_el0_svc+0x5c/0x140 [ 45.687037][ T4835] el0_svc+0x78/0x1d0 [ 45.687742][ T4835] el0t_64_sync_handler+0xcc/0xe4 [ 45.688641][ T4835] el0t_64_sync+0x1a0/0x1a4 [ 45.903086][ T4856] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4856) [ 45.907545][ T4856] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 45.909320][ T4856] BTRFS info (device loop0): using free space tree [ 45.910466][ T4856] BTRFS info (device loop0): has skinny extents [ 45.922418][ T4856] BTRFS info (device loop0): enabling ssd optimizations [ 45.927973][ T4856] FAULT_INJECTION: forcing a failure. [ 45.927973][ T4856] name failslab, interval 1, probability 0, space 0, times 0 [ 45.930258][ T4856] CPU: 1 PID: 4856 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.931784][ T4856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.933522][ T4856] Call trace: [ 45.934093][ T4856] dump_backtrace+0x0/0x458 [ 45.934862][ T4856] show_stack+0x2c/0x3c [ 45.935576][ T4856] __dump_stack+0x30/0x40 [ 45.936353][ T4856] dump_stack_lvl+0xf4/0x15c [ 45.937138][ T4856] dump_stack+0x1c/0x5c [ 45.937825][ T4856] should_fail+0x3c8/0x520 [ 45.938602][ T4856] __should_failslab+0xbc/0x10c [ 45.939454][ T4856] should_failslab+0x10/0x28 [ 45.940237][ T4856] slab_pre_alloc_hook+0x64/0xe8 [ 45.941070][ T4856] kmem_cache_alloc+0x94/0x3d8 [ 45.941879][ T4856] btrfs_alloc_path+0x5c/0x68 [ 45.942659][ T4856] btrfs_check_dir_item_collision+0x9c/0x2ec [ 45.943661][ T4856] btrfs_rename2+0x1a54/0x323c [ 45.944451][ T4856] vfs_rename+0xb08/0xe3c [ 45.945184][ T4856] do_renameat2+0x73c/0xc90 [ 45.945939][ T4856] __arm64_sys_renameat2+0xe8/0x104 [ 45.946849][ T4856] invoke_syscall+0x98/0x28c [ 45.947618][ T4856] el0_svc_common+0x13c/0x258 [ 45.948418][ T4856] do_el0_svc+0x5c/0x140 [ 45.949143][ T4856] el0_svc+0x78/0x1d0 [ 45.949818][ T4856] el0t_64_sync_handler+0xcc/0xe4 [ 45.950658][ T4856] el0t_64_sync+0x1a0/0x1a4 [ 46.138850][ T4877] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4877) [ 46.143898][ T4877] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 46.145599][ T4877] BTRFS info (device loop0): using free space tree [ 46.146763][ T4877] BTRFS info (device loop0): has skinny extents [ 46.155850][ T4877] BTRFS info (device loop0): enabling ssd optimizations [ 46.161608][ T4877] FAULT_INJECTION: forcing a failure. [ 46.161608][ T4877] name failslab, interval 1, probability 0, space 0, times 0 [ 46.164180][ T4877] CPU: 0 PID: 4877 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 46.165766][ T4877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 46.167725][ T4877] Call trace: [ 46.168304][ T4877] dump_backtrace+0x0/0x458 [ 46.169061][ T4877] show_stack+0x2c/0x3c [ 46.169725][ T4877] __dump_stack+0x30/0x40 [ 46.170458][ T4877] dump_stack_lvl+0xf4/0x15c [ 46.171225][ T4877] dump_stack+0x1c/0x5c [ 46.171910][ T4877] should_fail+0x3c8/0x520 [ 46.172681][ T4877] __should_failslab+0xbc/0x10c [ 46.173541][ T4877] should_failslab+0x10/0x28 [ 46.174346][ T4877] slab_pre_alloc_hook+0x64/0xe8 [ 46.175225][ T4877] kmem_cache_alloc+0x94/0x3d8 [ 46.176066][ T4877] btrfs_alloc_path+0x5c/0x68 [ 46.176874][ T4877] btrfs_insert_inode_ref+0xf4/0xa24 [ 46.177773][ T4877] btrfs_rename2+0x1f20/0x323c [ 46.178559][ T4877] vfs_rename+0xb08/0xe3c [ 46.179297][ T4877] do_renameat2+0x73c/0xc90 [ 46.180121][ T4877] __arm64_sys_renameat2+0xe8/0x104 [ 46.180978][ T4877] invoke_syscall+0x98/0x28c [ 46.181746][ T4877] el0_svc_common+0x13c/0x258 [ 46.182537][ T4877] do_el0_svc+0x5c/0x140 [ 46.183221][ T4877] el0_svc+0x78/0x1d0 [ 46.183877][ T4877] el0t_64_sync_handler+0xcc/0xe4 [ 46.184689][ T4877] el0t_64_sync+0x1a0/0x1a4 [ 46.351500][ T4770] Bluetooth: hci0: command 0x040f tx timeout [ 46.367588][ T4898] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4898) [ 46.372955][ T4898] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 46.374664][ T4898] BTRFS info (device loop0): using free space tree [ 46.375874][ T4898] BTRFS info (device loop0): has skinny extents [ 46.388785][ T4898] BTRFS info (device loop0): enabling ssd optimizations [ 46.394087][ T4898] FAULT_INJECTION: forcing a failure. [ 46.394087][ T4898] name failslab, interval 1, probability 0, space 0, times 0 [ 46.396306][ T4898] CPU: 0 PID: 4898 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 46.397899][ T4898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 46.399662][ T4898] Call trace: [ 46.400270][ T4898] dump_backtrace+0x0/0x458 [ 46.401045][ T4898] show_stack+0x2c/0x3c [ 46.401792][ T4898] __dump_stack+0x30/0x40 [ 46.402503][ T4898] dump_stack_lvl+0xf4/0x15c [ 46.403270][ T4898] dump_stack+0x1c/0x5c [ 46.403997][ T4898] should_fail+0x3c8/0x520 [ 46.404780][ T4898] __should_failslab+0xbc/0x10c [ 46.405624][ T4898] should_failslab+0x10/0x28 [ 46.406415][ T4898] slab_pre_alloc_hook+0x64/0xe8 [ 46.407259][ T4898] kmem_cache_alloc+0x94/0x3d8 [ 46.408090][ T4898] btrfs_alloc_path+0x5c/0x68 [ 46.408947][ T4898] __btrfs_unlink_inode+0x1e0/0xab8 [ 46.409899][ T4898] btrfs_rename2+0x21a4/0x323c [ 46.410736][ T4898] vfs_rename+0xb08/0xe3c [ 46.411481][ T4898] do_renameat2+0x73c/0xc90 [ 46.412273][ T4898] __arm64_sys_renameat2+0xe8/0x104 [ 46.413187][ T4898] invoke_syscall+0x98/0x28c [ 46.413985][ T4898] el0_svc_common+0x13c/0x258 [ 46.414765][ T4898] do_el0_svc+0x5c/0x140 [ 46.415500][ T4898] el0_svc+0x78/0x1d0 [ 46.416202][ T4898] el0t_64_sync_handler+0xcc/0xe4 [ 46.417123][ T4898] el0t_64_sync+0x1a0/0x1a4 [ 46.418565][ T4898] ------------[ cut here ]------------ [ 46.419595][ T4898] WARNING: CPU: 0 PID: 4898 at fs/btrfs/inode.c:10009 btrfs_rename2+0x27dc/0x323c [ 46.421251][ T4898] Modules linked in: [ 46.421930][ T4898] CPU: 0 PID: 4898 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 46.423506][ T4898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 46.425268][ T4898] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 46.426859][ T4898] pc : btrfs_rename2+0x27dc/0x323c [ 46.427865][ T4898] lr : btrfs_rename2+0x27dc/0x323c [ 46.428746][ T4898] sp : ffff8000211b7880 [ 46.429489][ T4898] x29: ffff8000211b7980 x28: ffff0000c0b28000 x27: ffff0000def80c1c [ 46.430933][ T4898] x26: ffff0000ca94a000 x25: 00000000fffffff4 x24: ffff0000e24d70b0 [ 46.432388][ T4898] x23: ffff0000defdac00 x22: 0000000000000000 x21: ffff0000ded1b1b8 [ 46.434021][ T4898] x20: 1fffe0001bda3637 x19: ffff0000ded1b160 x18: 0000000000000000 [ 46.435576][ T4898] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 46.437064][ T4898] x14: 0000000000000001 x13: 1fffe000341ca7ab x12: 0000000000000000 [ 46.438524][ T4898] x11: ff80800008300a7c x10: 0000000000000000 x9 : ec878ae17c24d100 [ 46.439903][ T4898] x8 : ec878ae17c24d100 x7 : 0000000000000001 x6 : 0000000000000001 [ 46.441302][ T4898] x5 : ffff8000211b7198 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 46.442674][ T4898] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 46.444113][ T4898] Call trace: [ 46.444666][ T4898] btrfs_rename2+0x27dc/0x323c [ 46.445452][ T4898] vfs_rename+0xb08/0xe3c [ 46.446202][ T4898] do_renameat2+0x73c/0xc90 [ 46.447002][ T4898] __arm64_sys_renameat2+0xe8/0x104 [ 46.447896][ T4898] invoke_syscall+0x98/0x28c [ 46.448686][ T4898] el0_svc_common+0x13c/0x258 [ 46.449526][ T4898] do_el0_svc+0x5c/0x140 [ 46.450234][ T4898] el0_svc+0x78/0x1d0 [ 46.450928][ T4898] el0t_64_sync_handler+0xcc/0xe4 [ 46.451824][ T4898] el0t_64_sync+0x1a0/0x1a4 [ 46.452579][ T4898] irq event stamp: 79894 [ 46.453308][ T4898] hardirqs last enabled at (79893): [] __up_console_sem+0xb4/0xfc [ 46.454943][ T4898] hardirqs last disabled at (79894): [] el1_dbg+0x24/0x80 [ 46.456413][ T4898] softirqs last enabled at (79874): [] handle_softirqs+0xa70/0xc14 [ 46.458077][ T4898] softirqs last disabled at (79863): [] __irq_exit_rcu+0x240/0x434 [ 46.459676][ T4898] ---[ end trace 5acffc937a867ec3 ]--- [ 46.462267][ T4898] BTRFS: error (device loop0) in btrfs_rename:10009: errno=-12 Out of memory [ 46.463806][ T4898] BTRFS info (device loop0): forced readonly [ 46.657178][ T4919] set_capacity_and_notify: 8 callbacks suppressed [ 46.657187][ T4919] loop0: detected capacity change from 0 to 32768 [ 46.661847][ T4919] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4919) [ 46.666349][ T4919] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 46.668236][ T4919] BTRFS info (device loop0): using free space tree [ 46.669465][ T4919] BTRFS info (device loop0): has skinny extents [ 46.681170][ T4919] BTRFS info (device loop0): enabling ssd optimizations [ 46.687036][ T4919] FAULT_INJECTION: forcing a failure. [ 46.687036][ T4919] name failslab, interval 1, probability 0, space 0, times 0 [ 46.689341][ T4919] CPU: 1 PID: 4919 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 46.690952][ T4919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 46.692671][ T4919] Call trace: [ 46.693234][ T4919] dump_backtrace+0x0/0x458 [ 46.693982][ T4919] show_stack+0x2c/0x3c [ 46.694693][ T4919] __dump_stack+0x30/0x40 [ 46.695403][ T4919] dump_stack_lvl+0xf4/0x15c [ 46.696192][ T4919] dump_stack+0x1c/0x5c [ 46.696881][ T4919] should_fail+0x3c8/0x520 [ 46.697656][ T4919] __should_failslab+0xbc/0x10c [ 46.698439][ T4919] should_failslab+0x10/0x28 [ 46.699204][ T4919] slab_pre_alloc_hook+0x64/0xe8 [ 46.700003][ T4919] kmem_cache_alloc+0x94/0x3d8 [ 46.700763][ T4919] btrfs_alloc_path+0x5c/0x68 [ 46.701505][ T4919] btrfs_insert_inode_ref+0xf4/0xa24 [ 46.702394][ T4919] btrfs_rename2+0x1f20/0x323c [ 46.703193][ T4919] vfs_rename+0xb08/0xe3c [ 46.703908][ T4919] do_renameat2+0x73c/0xc90 [ 46.704665][ T4919] __arm64_sys_renameat2+0xe8/0x104 [ 46.705525][ T4919] invoke_syscall+0x98/0x28c [ 46.706278][ T4919] el0_svc_common+0x13c/0x258 [ 46.707055][ T4919] do_el0_svc+0x5c/0x140 [ 46.707786][ T4919] el0_svc+0x78/0x1d0 [ 46.708460][ T4919] el0t_64_sync_handler+0xcc/0xe4 [ 46.709280][ T4919] el0t_64_sync+0x1a0/0x1a4 [ 46.888039][ T4940] loop0: detected capacity change from 0 to 32768 [ 46.893435][ T4940] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4940) [ 46.896681][ T4940] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 46.898307][ T4940] BTRFS info (device loop0): using free space tree [ 46.899399][ T4940] BTRFS info (device loop0): has skinny extents [ 46.908463][ T4940] BTRFS info (device loop0): enabling ssd optimizations [ 46.914702][ T4940] FAULT_INJECTION: forcing a failure. [ 46.914702][ T4940] name failslab, interval 1, probability 0, space 0, times 0 [ 46.917044][ T4940] CPU: 1 PID: 4940 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 46.918699][ T4940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 46.920641][ T4940] Call trace: [ 46.921250][ T4940] dump_backtrace+0x0/0x458 [ 46.922079][ T4940] show_stack+0x2c/0x3c [ 46.922838][ T4940] __dump_stack+0x30/0x40 [ 46.923580][ T4940] dump_stack_lvl+0xf4/0x15c [ 46.924361][ T4940] dump_stack+0x1c/0x5c [ 46.925086][ T4940] should_fail+0x3c8/0x520 [ 46.925806][ T4940] __should_failslab+0xbc/0x10c [ 46.926631][ T4940] should_failslab+0x10/0x28 [ 46.927403][ T4940] slab_pre_alloc_hook+0x64/0xe8 [ 46.928227][ T4940] kmem_cache_alloc+0x94/0x3d8 [ 46.929040][ T4940] start_transaction+0x530/0x1438 [ 46.929911][ T4940] btrfs_start_transaction+0x34/0x44 [ 46.930803][ T4940] btrfs_rename2+0x1b7c/0x323c [ 46.931589][ T4940] vfs_rename+0xb08/0xe3c [ 46.932335][ T4940] do_renameat2+0x73c/0xc90 [ 46.933116][ T4940] __arm64_sys_renameat2+0xe8/0x104 [ 46.933972][ T4940] invoke_syscall+0x98/0x28c [ 46.934781][ T4940] el0_svc_common+0x13c/0x258 [ 46.935625][ T4940] do_el0_svc+0x5c/0x140 [ 46.936362][ T4940] el0_svc+0x78/0x1d0 [ 46.937062][ T4940] el0t_64_sync_handler+0xcc/0xe4 [ 46.937932][ T4940] el0t_64_sync+0x1a0/0x1a4 [ 47.137986][ T4961] loop0: detected capacity change from 0 to 32768 [ 47.148576][ T4961] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4961) [ 47.154009][ T4961] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 47.155706][ T4961] BTRFS info (device loop0): using free space tree [ 47.156886][ T4961] BTRFS info (device loop0): has skinny extents [ 47.167480][ T4961] BTRFS info (device loop0): enabling ssd optimizations [ 47.174718][ T4961] FAULT_INJECTION: forcing a failure. [ 47.174718][ T4961] name failslab, interval 1, probability 0, space 0, times 0 [ 47.177174][ T4961] CPU: 0 PID: 4961 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.178938][ T4961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.180619][ T4961] Call trace: [ 47.181204][ T4961] dump_backtrace+0x0/0x458 [ 47.182013][ T4961] show_stack+0x2c/0x3c [ 47.182772][ T4961] __dump_stack+0x30/0x40 [ 47.183528][ T4961] dump_stack_lvl+0xf4/0x15c [ 47.184297][ T4961] dump_stack+0x1c/0x5c [ 47.185025][ T4961] should_fail+0x3c8/0x520 [ 47.185811][ T4961] __should_failslab+0xbc/0x10c [ 47.186681][ T4961] should_failslab+0x10/0x28 [ 47.187468][ T4961] slab_pre_alloc_hook+0x64/0xe8 [ 47.188342][ T4961] kmem_cache_alloc+0x94/0x3d8 [ 47.189194][ T4961] start_transaction+0x530/0x1438 [ 47.190072][ T4961] btrfs_start_transaction+0x34/0x44 [ 47.190976][ T4961] btrfs_rename2+0x1b7c/0x323c [ 47.191828][ T4961] vfs_rename+0xb08/0xe3c [ 47.192604][ T4961] do_renameat2+0x73c/0xc90 [ 47.193407][ T4961] __arm64_sys_renameat2+0xe8/0x104 [ 47.194326][ T4961] invoke_syscall+0x98/0x28c [ 47.195147][ T4961] el0_svc_common+0x13c/0x258 [ 47.195977][ T4961] do_el0_svc+0x5c/0x140 [ 47.196734][ T4961] el0_svc+0x78/0x1d0 [ 47.197396][ T4961] el0t_64_sync_handler+0xcc/0xe4 [ 47.198264][ T4961] el0t_64_sync+0x1a0/0x1a4 [ 47.387038][ T4982] loop0: detected capacity change from 0 to 32768 [ 47.389733][ T4982] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4982) [ 47.395740][ T4982] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 47.397592][ T4982] BTRFS info (device loop0): using free space tree [ 47.398795][ T4982] BTRFS info (device loop0): has skinny extents [ 47.408474][ T4982] BTRFS info (device loop0): enabling ssd optimizations [ 47.414085][ T4982] FAULT_INJECTION: forcing a failure. [ 47.414085][ T4982] name failslab, interval 1, probability 0, space 0, times 0 [ 47.416297][ T4982] CPU: 1 PID: 4982 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.417821][ T4982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.419558][ T4982] Call trace: [ 47.420184][ T4982] dump_backtrace+0x0/0x458 [ 47.420982][ T4982] show_stack+0x2c/0x3c [ 47.421675][ T4982] __dump_stack+0x30/0x40 [ 47.422411][ T4982] dump_stack_lvl+0xf4/0x15c [ 47.423200][ T4982] dump_stack+0x1c/0x5c [ 47.423899][ T4982] should_fail+0x3c8/0x520 [ 47.424630][ T4982] __should_failslab+0xbc/0x10c [ 47.425540][ T4982] should_failslab+0x10/0x28 [ 47.426343][ T4982] slab_pre_alloc_hook+0x64/0xe8 [ 47.427173][ T4982] kmem_cache_alloc+0x94/0x3d8 [ 47.428002][ T4982] start_transaction+0x530/0x1438 [ 47.428938][ T4982] btrfs_start_transaction+0x34/0x44 [ 47.429823][ T4982] btrfs_rename2+0x1b7c/0x323c [ 47.430603][ T4982] vfs_rename+0xb08/0xe3c [ 47.431351][ T4982] do_renameat2+0x73c/0xc90 [ 47.432084][ T4982] __arm64_sys_renameat2+0xe8/0x104 [ 47.432979][ T4982] invoke_syscall+0x98/0x28c [ 47.433749][ T4982] el0_svc_common+0x13c/0x258 [ 47.434554][ T4982] do_el0_svc+0x5c/0x140 [ 47.435311][ T4982] el0_svc+0x78/0x1d0 [ 47.435970][ T4982] el0t_64_sync_handler+0xcc/0xe4 [ 47.436870][ T4982] el0t_64_sync+0x1a0/0x1a4 [ 47.621958][ T5003] loop0: detected capacity change from 0 to 32768 [ 47.624819][ T5003] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5003) [ 47.629080][ T5003] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 47.631422][ T5003] BTRFS info (device loop0): using free space tree [ 47.632571][ T5003] BTRFS info (device loop0): has skinny extents [ 47.641434][ T5003] BTRFS info (device loop0): enabling ssd optimizations [ 47.647142][ T5003] FAULT_INJECTION: forcing a failure. [ 47.647142][ T5003] name failslab, interval 1, probability 0, space 0, times 0 [ 47.649493][ T5003] CPU: 1 PID: 5003 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.651043][ T5003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.652855][ T5003] Call trace: [ 47.653431][ T5003] dump_backtrace+0x0/0x458 [ 47.654179][ T5003] show_stack+0x2c/0x3c [ 47.654867][ T5003] __dump_stack+0x30/0x40 [ 47.655600][ T5003] dump_stack_lvl+0xf4/0x15c [ 47.656407][ T5003] dump_stack+0x1c/0x5c [ 47.657111][ T5003] should_fail+0x3c8/0x520 [ 47.657845][ T5003] __should_failslab+0xbc/0x10c [ 47.658675][ T5003] should_failslab+0x10/0x28 [ 47.659490][ T5003] slab_pre_alloc_hook+0x64/0xe8 [ 47.660350][ T5003] kmem_cache_alloc+0x94/0x3d8 [ 47.661136][ T5003] btrfs_alloc_path+0x5c/0x68 [ 47.661909][ T5003] __btrfs_unlink_inode+0x1e0/0xab8 [ 47.662818][ T5003] btrfs_rename2+0x21a4/0x323c [ 47.663684][ T5003] vfs_rename+0xb08/0xe3c [ 47.664398][ T5003] do_renameat2+0x73c/0xc90 [ 47.665182][ T5003] __arm64_sys_renameat2+0xe8/0x104 [ 47.666079][ T5003] invoke_syscall+0x98/0x28c [ 47.666889][ T5003] el0_svc_common+0x13c/0x258 [ 47.667769][ T5003] do_el0_svc+0x5c/0x140 [ 47.668511][ T5003] el0_svc+0x78/0x1d0 [ 47.669212][ T5003] el0t_64_sync_handler+0xcc/0xe4 [ 47.670120][ T5003] el0t_64_sync+0x1a0/0x1a4 [ 47.672273][ T5003] ------------[ cut here ]------------ [ 47.673335][ T5003] WARNING: CPU: 1 PID: 5003 at fs/btrfs/inode.c:10009 btrfs_rename2+0x27dc/0x323c [ 47.674971][ T5003] Modules linked in: [ 47.675654][ T5003] CPU: 1 PID: 5003 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.677208][ T5003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.678965][ T5003] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.680276][ T5003] pc : btrfs_rename2+0x27dc/0x323c [ 47.681117][ T5003] lr : btrfs_rename2+0x27dc/0x323c [ 47.681960][ T5003] sp : ffff800021637880 [ 47.682652][ T5003] x29: ffff800021637980 x28: ffff0000db018000 x27: ffff0000c05517dc [ 47.684069][ T5003] x26: ffff0000d0812000 x25: 00000000fffffff4 x24: ffff0000e25b9860 [ 47.685418][ T5003] x23: ffff0000e25bac00 x22: 0000000000000000 x21: ffff0000ded4e528 [ 47.686758][ T5003] x20: 1fffe0001bda9ca5 x19: ffff0000ded4e4d0 x18: 0000000000000000 [ 47.688101][ T5003] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 47.689565][ T5003] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 47.691098][ T5003] x11: ff80800008300a7c x10: 0000000000000000 x9 : 777bffd170367600 [ 47.692601][ T5003] x8 : 777bffd170367600 x7 : 0000000000000001 x6 : 0000000000000001 [ 47.694046][ T5003] x5 : ffff800021637198 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 47.695429][ T5003] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 47.696833][ T5003] Call trace: [ 47.697420][ T5003] btrfs_rename2+0x27dc/0x323c [ 47.698220][ T5003] vfs_rename+0xb08/0xe3c [ 47.698912][ T5003] do_renameat2+0x73c/0xc90 [ 47.699688][ T5003] __arm64_sys_renameat2+0xe8/0x104 [ 47.700611][ T5003] invoke_syscall+0x98/0x28c [ 47.701427][ T5003] el0_svc_common+0x13c/0x258 [ 47.702217][ T5003] do_el0_svc+0x5c/0x140 [ 47.702971][ T5003] el0_svc+0x78/0x1d0 [ 47.703705][ T5003] el0t_64_sync_handler+0xcc/0xe4 [ 47.704589][ T5003] el0t_64_sync+0x1a0/0x1a4 [ 47.705398][ T5003] irq event stamp: 81028 [ 47.706123][ T5003] hardirqs last enabled at (81027): [] __up_console_sem+0xb4/0xfc [ 47.707768][ T5003] hardirqs last disabled at (81028): [] el1_dbg+0x24/0x80 [ 47.709228][ T5003] softirqs last enabled at (81008): [] handle_softirqs+0xa70/0xc14 [ 47.710855][ T5003] softirqs last disabled at (80917): [] __irq_exit_rcu+0x240/0x434 [ 47.712458][ T5003] ---[ end trace 5acffc937a867ec4 ]--- [ 47.714165][ T5003] BTRFS: error (device loop0) in btrfs_rename:10009: errno=-12 Out of memory [ 47.715594][ T5003] BTRFS info (device loop0): forced readonly [ 47.896572][ T5024] loop0: detected capacity change from 0 to 32768 [ 47.899670][ T5024] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5024) [ 47.904553][ T5024] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 47.906436][ T5024] BTRFS info (device loop0): using free space tree [ 47.907615][ T5024] BTRFS info (device loop0): has skinny extents [ 47.916516][ T5024] BTRFS info (device loop0): enabling ssd optimizations [ 47.922257][ T5024] FAULT_INJECTION: forcing a failure. [ 47.922257][ T5024] name failslab, interval 1, probability 0, space 0, times 0 [ 47.924541][ T5024] CPU: 0 PID: 5024 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.926105][ T5024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.927922][ T5024] Call trace: [ 47.928515][ T5024] dump_backtrace+0x0/0x458 [ 47.929322][ T5024] show_stack+0x2c/0x3c [ 47.930146][ T5024] __dump_stack+0x30/0x40 [ 47.930866][ T5024] dump_stack_lvl+0xf4/0x15c [ 47.931623][ T5024] dump_stack+0x1c/0x5c [ 47.932328][ T5024] should_fail+0x3c8/0x520 [ 47.933075][ T5024] __should_failslab+0xbc/0x10c [ 47.933961][ T5024] should_failslab+0x10/0x28 [ 47.934751][ T5024] slab_pre_alloc_hook+0x64/0xe8 [ 47.935615][ T5024] kmem_cache_alloc+0x94/0x3d8 [ 47.936434][ T5024] btrfs_alloc_path+0x5c/0x68 [ 47.937326][ T5024] btrfs_insert_inode_ref+0xf4/0xa24 [ 47.938314][ T5024] btrfs_rename2+0x1f20/0x323c [ 47.939185][ T5024] vfs_rename+0xb08/0xe3c [ 47.939944][ T5024] do_renameat2+0x73c/0xc90 [ 47.940860][ T5024] __arm64_sys_renameat2+0xe8/0x104 [ 47.941814][ T5024] invoke_syscall+0x98/0x28c [ 47.942597][ T5024] el0_svc_common+0x13c/0x258 [ 47.943534][ T5024] do_el0_svc+0x5c/0x140 [ 47.944390][ T5024] el0_svc+0x78/0x1d0 [ 47.945142][ T5024] el0t_64_sync_handler+0xcc/0xe4 [ 47.946112][ T5024] el0t_64_sync+0x1a0/0x1a4 [ 48.128673][ T5045] loop0: detected capacity change from 0 to 32768 [ 48.131743][ T5045] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5045) [ 48.141178][ T5045] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.142914][ T5045] BTRFS info (device loop0): using free space tree [ 48.144013][ T5045] BTRFS info (device loop0): has skinny extents [ 48.165792][ T5045] BTRFS info (device loop0): enabling ssd optimizations [ 48.173031][ T5045] FAULT_INJECTION: forcing a failure. [ 48.173031][ T5045] name failslab, interval 1, probability 0, space 0, times 0 [ 48.175303][ T5045] CPU: 1 PID: 5045 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.176778][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.178585][ T5045] Call trace: [ 48.179122][ T5045] dump_backtrace+0x0/0x458 [ 48.179920][ T5045] show_stack+0x2c/0x3c [ 48.180636][ T5045] __dump_stack+0x30/0x40 [ 48.181373][ T5045] dump_stack_lvl+0xf4/0x15c [ 48.182161][ T5045] dump_stack+0x1c/0x5c [ 48.182880][ T5045] should_fail+0x3c8/0x520 [ 48.183633][ T5045] __should_failslab+0xbc/0x10c [ 48.184458][ T5045] should_failslab+0x10/0x28 [ 48.185251][ T5045] slab_pre_alloc_hook+0x64/0xe8 [ 48.186131][ T5045] kmem_cache_alloc+0x94/0x3d8 [ 48.186977][ T5045] btrfs_alloc_path+0x5c/0x68 [ 48.187780][ T5045] __btrfs_unlink_inode+0x1e0/0xab8 [ 48.188674][ T5045] btrfs_rename2+0x21a4/0x323c [ 48.189459][ T5045] vfs_rename+0xb08/0xe3c [ 48.190221][ T5045] do_renameat2+0x73c/0xc90 [ 48.191029][ T5045] __arm64_sys_renameat2+0xe8/0x104 [ 48.191894][ T5045] invoke_syscall+0x98/0x28c [ 48.192680][ T5045] el0_svc_common+0x13c/0x258 [ 48.193407][ T5045] do_el0_svc+0x5c/0x140 [ 48.194075][ T5045] el0_svc+0x78/0x1d0 [ 48.194758][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 48.195629][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 48.197260][ T5045] ------------[ cut here ]------------ [ 48.198333][ T5045] WARNING: CPU: 1 PID: 5045 at fs/btrfs/inode.c:10009 btrfs_rename2+0x27dc/0x323c [ 48.199938][ T5045] Modules linked in: [ 48.200645][ T5045] CPU: 1 PID: 5045 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.202322][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.204043][ T5045] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.205302][ T5045] pc : btrfs_rename2+0x27dc/0x323c [ 48.206152][ T5045] lr : btrfs_rename2+0x27dc/0x323c [ 48.207020][ T5045] sp : ffff800021977880 [ 48.207708][ T5045] x29: ffff800021977980 x28: ffff0000dd51c000 x27: ffff0000def14f0c [ 48.209109][ T5045] x26: ffff0000e327a000 x25: 00000000fffffff4 x24: ffff0000e25bbfa0 [ 48.210509][ T5045] x23: ffff0000e25bd340 x22: 0000000000000000 x21: ffff0000ded4e688 [ 48.211886][ T5045] x20: 1fffe0001bda9cd1 x19: ffff0000ded4e630 x18: 0000000000000000 [ 48.213279][ T5045] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 48.214660][ T5045] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 48.215991][ T5045] x11: ff80800008300a7c x10: 0000000000000000 x9 : f4ebdf6d84b07800 [ 48.217391][ T5045] x8 : f4ebdf6d84b07800 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.218743][ T5045] x5 : ffff800021977198 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 48.220113][ T5045] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.221504][ T5045] Call trace: [ 48.222076][ T5045] btrfs_rename2+0x27dc/0x323c [ 48.222906][ T5045] vfs_rename+0xb08/0xe3c [ 48.223703][ T5045] do_renameat2+0x73c/0xc90 [ 48.224449][ T5045] __arm64_sys_renameat2+0xe8/0x104 [ 48.225323][ T5045] invoke_syscall+0x98/0x28c [ 48.226102][ T5045] el0_svc_common+0x13c/0x258 [ 48.226911][ T5045] do_el0_svc+0x5c/0x140 [ 48.227625][ T5045] el0_svc+0x78/0x1d0 [ 48.228320][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 48.229229][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 48.229969][ T5045] irq event stamp: 81336 [ 48.230671][ T5045] hardirqs last enabled at (81335): [] __up_console_sem+0xb4/0xfc [ 48.232313][ T5045] hardirqs last disabled at (81336): [] el1_dbg+0x24/0x80 [ 48.233832][ T5045] softirqs last enabled at (81316): [] handle_softirqs+0xa70/0xc14 [ 48.235464][ T5045] softirqs last disabled at (81241): [] __irq_exit_rcu+0x240/0x434 [ 48.237110][ T5045] ---[ end trace 5acffc937a867ec5 ]--- [ 48.239174][ T5045] BTRFS: error (device loop0) in btrfs_rename:10009: errno=-12 Out of memory [ 48.240711][ T5045] BTRFS info (device loop0): forced readonly [ 48.429339][ T5066] loop0: detected capacity change from 0 to 32768 [ 48.430917][ T4421] Bluetooth: hci0: command 0x0419 tx timeout [ 48.433778][ T5066] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5066) [ 48.437013][ T5066] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.439381][ T5066] BTRFS info (device loop0): using free space tree [ 48.440464][ T5066] BTRFS info (device loop0): has skinny extents [ 48.447911][ T5066] BTRFS info (device loop0): enabling ssd optimizations [ 48.453320][ T5066] FAULT_INJECTION: forcing a failure. [ 48.453320][ T5066] name failslab, interval 1, probability 0, space 0, times 0 [ 48.455545][ T5066] CPU: 0 PID: 5066 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.457069][ T5066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.458673][ T5066] Call trace: [ 48.459203][ T5066] dump_backtrace+0x0/0x458 [ 48.459968][ T5066] show_stack+0x2c/0x3c [ 48.460644][ T5066] __dump_stack+0x30/0x40 [ 48.461463][ T5066] dump_stack_lvl+0xf4/0x15c [ 48.462301][ T5066] dump_stack+0x1c/0x5c [ 48.463048][ T5066] should_fail+0x3c8/0x520 [ 48.463900][ T5066] __should_failslab+0xbc/0x10c [ 48.464768][ T5066] should_failslab+0x10/0x28 [ 48.465592][ T5066] slab_pre_alloc_hook+0x64/0xe8 [ 48.466434][ T5066] kmem_cache_alloc+0x94/0x3d8 [ 48.467344][ T5066] btrfs_alloc_path+0x5c/0x68 [ 48.468175][ T5066] __btrfs_unlink_inode+0x1e0/0xab8 [ 48.469086][ T5066] btrfs_rename2+0x21a4/0x323c [ 48.469901][ T5066] vfs_rename+0xb08/0xe3c [ 48.470643][ T5066] do_renameat2+0x73c/0xc90 [ 48.471451][ T5066] __arm64_sys_renameat2+0xe8/0x104 [ 48.472346][ T5066] invoke_syscall+0x98/0x28c [ 48.473146][ T5066] el0_svc_common+0x13c/0x258 [ 48.473931][ T5066] do_el0_svc+0x5c/0x140 [ 48.474664][ T5066] el0_svc+0x78/0x1d0 [ 48.475341][ T5066] el0t_64_sync_handler+0xcc/0xe4 [ 48.476239][ T5066] el0t_64_sync+0x1a0/0x1a4 [ 48.477143][ T5066] ------------[ cut here ]------------ [ 48.478669][ T5066] WARNING: CPU: 0 PID: 5066 at fs/btrfs/inode.c:10009 btrfs_rename2+0x27dc/0x323c [ 48.480205][ T5066] Modules linked in: [ 48.480884][ T5066] CPU: 0 PID: 5066 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.482534][ T5066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.484435][ T5066] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.485875][ T5066] pc : btrfs_rename2+0x27dc/0x323c [ 48.486925][ T5066] lr : btrfs_rename2+0x27dc/0x323c [ 48.487950][ T5066] sp : ffff800021637880 [ 48.488705][ T5066] x29: ffff800021637980 x28: ffff0000db000000 x27: ffff0000cc6f1954 [ 48.490214][ T5066] x26: ffff0000db372000 x25: 00000000fffffff4 x24: ffff0000e2579860 [ 48.491737][ T5066] x23: ffff0000e257ac00 x22: 0000000000000000 x21: ffff0000c066a7e8 [ 48.493194][ T5066] x20: 1fffe000180cd4fd x19: ffff0000c066a790 x18: 0000000000000000 [ 48.494658][ T5066] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 48.496120][ T5066] x14: 0000000000000001 x13: 1fffe000341ca7ab x12: 0000000000000000 [ 48.497587][ T5066] x11: ff80800008300a7c x10: 0000000000000000 x9 : ee1bcb7d6fc6c300 [ 48.499047][ T5066] x8 : ee1bcb7d6fc6c300 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.500423][ T5066] x5 : ffff800021637198 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 48.501840][ T5066] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.503196][ T5066] Call trace: [ 48.503759][ T5066] btrfs_rename2+0x27dc/0x323c [ 48.504576][ T5066] vfs_rename+0xb08/0xe3c [ 48.505315][ T5066] do_renameat2+0x73c/0xc90 [ 48.506095][ T5066] __arm64_sys_renameat2+0xe8/0x104 [ 48.507010][ T5066] invoke_syscall+0x98/0x28c [ 48.507815][ T5066] el0_svc_common+0x13c/0x258 [ 48.508611][ T5066] do_el0_svc+0x5c/0x140 [ 48.509323][ T5066] el0_svc+0x78/0x1d0 [ 48.510008][ T5066] el0t_64_sync_handler+0xcc/0xe4 [ 48.510868][ T5066] el0t_64_sync+0x1a0/0x1a4 [ 48.511653][ T5066] irq event stamp: 80176 [ 48.512392][ T5066] hardirqs last enabled at (80175): [] __up_console_sem+0xb4/0xfc [ 48.514065][ T5066] hardirqs last disabled at (80176): [] el1_dbg+0x24/0x80 [ 48.515575][ T5066] softirqs last enabled at (80156): [] handle_softirqs+0xa70/0xc14 [ 48.517186][ T5066] softirqs last disabled at (80087): [] __irq_exit_rcu+0x240/0x434 [ 48.518794][ T5066] ---[ end trace 5acffc937a867ec6 ]--- [ 48.520395][ T5066] BTRFS: error (device loop0) in btrfs_rename:10009: errno=-12 Out of memory [ 48.522236][ T5066] BTRFS info (device loop0): forced readonly [ 48.716844][ T5087] loop0: detected capacity change from 0 to 32768 [ 48.719502][ T5087] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5087) [ 48.723097][ T5087] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.724792][ T5087] BTRFS info (device loop0): using free space tree [ 48.726045][ T5087] BTRFS info (device loop0): has skinny extents [ 48.739049][ T5087] BTRFS info (device loop0): enabling ssd optimizations [ 48.745258][ T5087] FAULT_INJECTION: forcing a failure. [ 48.745258][ T5087] name failslab, interval 1, probability 0, space 0, times 0 [ 48.747359][ T5087] CPU: 0 PID: 5087 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.748773][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.750428][ T5087] Call trace: [ 48.751050][ T5087] dump_backtrace+0x0/0x458 [ 48.751873][ T5087] show_stack+0x2c/0x3c [ 48.752644][ T5087] __dump_stack+0x30/0x40 [ 48.753527][ T5087] dump_stack_lvl+0xf4/0x15c [ 48.754354][ T5087] dump_stack+0x1c/0x5c [ 48.755090][ T5087] should_fail+0x3c8/0x520 [ 48.755973][ T5087] __should_failslab+0xbc/0x10c [ 48.756880][ T5087] should_failslab+0x10/0x28 [ 48.757807][ T5087] slab_pre_alloc_hook+0x64/0xe8 [ 48.758703][ T5087] kmem_cache_alloc+0x94/0x3d8 [ 48.759569][ T5087] btrfs_alloc_path+0x5c/0x68 [ 48.760519][ T5087] btrfs_insert_inode_ref+0xf4/0xa24 [ 48.761519][ T5087] btrfs_rename2+0x1f20/0x323c [ 48.762381][ T5087] vfs_rename+0xb08/0xe3c [ 48.763155][ T5087] do_renameat2+0x73c/0xc90 [ 48.763930][ T5087] __arm64_sys_renameat2+0xe8/0x104 [ 48.764986][ T5087] invoke_syscall+0x98/0x28c [ 48.765907][ T5087] el0_svc_common+0x13c/0x258 [ 48.766831][ T5087] do_el0_svc+0x5c/0x140 [ 48.767680][ T5087] el0_svc+0x78/0x1d0 [ 48.768431][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 48.769382][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 48.949767][ T5108] loop0: detected capacity change from 0 to 32768 [ 48.952345][ T5108] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5108) [ 48.956454][ T5108] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.958324][ T5108] BTRFS info (device loop0): using free space tree [ 48.959503][ T5108] BTRFS info (device loop0): has skinny extents [ 48.975239][ T5108] BTRFS info (device loop0): enabling ssd optimizations [ 48.980459][ T5108] FAULT_INJECTION: forcing a failure. [ 48.980459][ T5108] name failslab, interval 1, probability 0, space 0, times 0 [ 48.983184][ T5108] CPU: 0 PID: 5108 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.984713][ T5108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.986423][ T5108] Call trace: [ 48.986978][ T5108] dump_backtrace+0x0/0x458 [ 48.987865][ T5108] show_stack+0x2c/0x3c [ 48.988681][ T5108] __dump_stack+0x30/0x40 [ 48.989524][ T5108] dump_stack_lvl+0xf4/0x15c [ 48.990345][ T5108] dump_stack+0x1c/0x5c [ 48.991043][ T5108] should_fail+0x3c8/0x520 [ 48.991783][ T5108] __should_failslab+0xbc/0x10c [ 48.992598][ T5108] should_failslab+0x10/0x28 [ 48.993377][ T5108] slab_pre_alloc_hook+0x64/0xe8 [ 48.994250][ T5108] kmem_cache_alloc+0x94/0x3d8 [ 48.995077][ T5108] btrfs_alloc_path+0x5c/0x68 [ 48.995910][ T5108] btrfs_insert_inode_ref+0xf4/0xa24 [ 48.996818][ T5108] btrfs_rename2+0x1f20/0x323c [ 48.997656][ T5108] vfs_rename+0xb08/0xe3c [ 48.998389][ T5108] do_renameat2+0x73c/0xc90 [ 48.999152][ T5108] __arm64_sys_renameat2+0xe8/0x104 [ 48.999992][ T5108] invoke_syscall+0x98/0x28c [ 49.000792][ T5108] el0_svc_common+0x13c/0x258 [ 49.001618][ T5108] do_el0_svc+0x5c/0x140 [ 49.002357][ T5108] el0_svc+0x78/0x1d0 [ 49.003057][ T5108] el0t_64_sync_handler+0xcc/0xe4 [ 49.003941][ T5108] el0t_64_sync+0x1a0/0x1a4 [ 49.178084][ T5129] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5129) [ 49.181997][ T5129] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.184518][ T5129] BTRFS info (device loop0): using free space tree [ 49.185797][ T5129] BTRFS info (device loop0): has skinny extents [ 49.201821][ T5129] BTRFS info (device loop0): enabling ssd optimizations [ 49.206713][ T5129] FAULT_INJECTION: forcing a failure. [ 49.206713][ T5129] name failslab, interval 1, probability 0, space 0, times 0 [ 49.208866][ T5129] CPU: 0 PID: 5129 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.210422][ T5129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.212151][ T5129] Call trace: [ 49.212727][ T5129] dump_backtrace+0x0/0x458 [ 49.213503][ T5129] show_stack+0x2c/0x3c [ 49.214211][ T5129] __dump_stack+0x30/0x40 [ 49.214921][ T5129] dump_stack_lvl+0xf4/0x15c [ 49.215716][ T5129] dump_stack+0x1c/0x5c [ 49.216444][ T5129] should_fail+0x3c8/0x520 [ 49.217261][ T5129] __should_failslab+0xbc/0x10c [ 49.218097][ T5129] should_failslab+0x10/0x28 [ 49.218852][ T5129] slab_pre_alloc_hook+0x64/0xe8 [ 49.219734][ T5129] kmem_cache_alloc+0x94/0x3d8 [ 49.220578][ T5129] btrfs_alloc_path+0x5c/0x68 [ 49.221376][ T5129] btrfs_insert_inode_ref+0xf4/0xa24 [ 49.222282][ T5129] btrfs_rename2+0x1f20/0x323c [ 49.223069][ T5129] vfs_rename+0xb08/0xe3c [ 49.223801][ T5129] do_renameat2+0x73c/0xc90 [ 49.224605][ T5129] __arm64_sys_renameat2+0xe8/0x104 [ 49.225522][ T5129] invoke_syscall+0x98/0x28c [ 49.226356][ T5129] el0_svc_common+0x13c/0x258 [ 49.227211][ T5129] do_el0_svc+0x5c/0x140 [ 49.227943][ T5129] el0_svc+0x78/0x1d0 [ 49.228659][ T5129] el0t_64_sync_handler+0xcc/0xe4 [ 49.229584][ T5129] el0t_64_sync+0x1a0/0x1a4 [ 49.420279][ T5150] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5150) [ 49.425619][ T5150] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.427972][ T5150] BTRFS info (device loop0): using free space tree [ 49.429643][ T5150] BTRFS info (device loop0): has skinny extents [ 49.449564][ T5150] BTRFS info (device loop0): enabling ssd optimizations [ 49.455779][ T5150] FAULT_INJECTION: forcing a failure. [ 49.455779][ T5150] name failslab, interval 1, probability 0, space 0, times 0 [ 49.458323][ T5150] CPU: 1 PID: 5150 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.459876][ T5150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.461658][ T5150] Call trace: [ 49.462249][ T5150] dump_backtrace+0x0/0x458 [ 49.463033][ T5150] show_stack+0x2c/0x3c [ 49.463782][ T5150] __dump_stack+0x30/0x40 [ 49.464627][ T5150] dump_stack_lvl+0xf4/0x15c [ 49.465433][ T5150] dump_stack+0x1c/0x5c [ 49.466182][ T5150] should_fail+0x3c8/0x520 [ 49.466989][ T5150] __should_failslab+0xbc/0x10c [ 49.467887][ T5150] should_failslab+0x10/0x28 [ 49.468717][ T5150] slab_pre_alloc_hook+0x64/0xe8 [ 49.469566][ T5150] kmem_cache_alloc+0x94/0x3d8 [ 49.470397][ T5150] btrfs_alloc_path+0x5c/0x68 [ 49.471183][ T5150] __btrfs_unlink_inode+0x1e0/0xab8 [ 49.472053][ T5150] btrfs_rename2+0x21a4/0x323c [ 49.472834][ T5150] vfs_rename+0xb08/0xe3c [ 49.473584][ T5150] do_renameat2+0x73c/0xc90 [ 49.474320][ T5150] __arm64_sys_renameat2+0xe8/0x104 [ 49.475182][ T5150] invoke_syscall+0x98/0x28c [ 49.476027][ T5150] el0_svc_common+0x13c/0x258 [ 49.476821][ T5150] do_el0_svc+0x5c/0x140 [ 49.477527][ T5150] el0_svc+0x78/0x1d0 [ 49.478196][ T5150] el0t_64_sync_handler+0xcc/0xe4 [ 49.479051][ T5150] el0t_64_sync+0x1a0/0x1a4 [ 49.480693][ T5150] ------------[ cut here ]------------ [ 49.482020][ T5150] WARNING: CPU: 1 PID: 5150 at fs/btrfs/inode.c:10009 btrfs_rename2+0x27dc/0x323c [ 49.483638][ T5150] Modules linked in: [ 49.484367][ T5150] CPU: 1 PID: 5150 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.486274][ T5150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.488035][ T5150] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.489428][ T5150] pc : btrfs_rename2+0x27dc/0x323c [ 49.490329][ T5150] lr : btrfs_rename2+0x27dc/0x323c [ 49.491222][ T5150] sp : ffff800021ea7880 [ 49.491963][ T5150] x29: ffff800021ea7980 x28: ffff0000db000000 x27: ffff0000dd0e234c [ 49.493363][ T5150] x26: ffff0000e50d8000 x25: 00000000fffffff4 x24: ffff0000e245e6e0 [ 49.494793][ T5150] x23: ffff0000e245f0b0 x22: 0000000000000000 x21: ffff0000dd3e3058 [ 49.496396][ T5150] x20: 1fffe0001ba7c60b x19: ffff0000dd3e3000 x18: 0000000000000000 [ 49.497953][ T5150] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 49.499460][ T5150] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 49.501049][ T5150] x11: ff80800008300a7c x10: 0000000000000000 x9 : ee215ee34b262100 [ 49.502580][ T5150] x8 : ee215ee34b262100 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.504207][ T5150] x5 : ffff800021ea7198 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 49.505777][ T5150] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.507390][ T5150] Call trace: [ 49.508021][ T5150] btrfs_rename2+0x27dc/0x323c [ 49.508921][ T5150] vfs_rename+0xb08/0xe3c [ 49.509744][ T5150] do_renameat2+0x73c/0xc90 [ 49.510602][ T5150] __arm64_sys_renameat2+0xe8/0x104 [ 49.511558][ T5150] invoke_syscall+0x98/0x28c [ 49.512420][ T5150] el0_svc_common+0x13c/0x258 [ 49.513313][ T5150] do_el0_svc+0x5c/0x140 [ 49.514133][ T5150] el0_svc+0x78/0x1d0 [ 49.514967][ T5150] el0t_64_sync_handler+0xcc/0xe4 [ 49.515977][ T5150] el0t_64_sync+0x1a0/0x1a4 [ 49.516845][ T5150] irq event stamp: 81124 [ 49.517603][ T5150] hardirqs last enabled at (81123): [] __up_console_sem+0xb4/0xfc [ 49.519243][ T5150] hardirqs last disabled at (81124): [] el1_dbg+0x24/0x80 [ 49.520759][ T5150] softirqs last enabled at (81112): [] handle_softirqs+0xa70/0xc14 [ 49.522462][ T5150] softirqs last disabled at (81029): [] __irq_exit_rcu+0x240/0x434 [ 49.524035][ T5150] ---[ end trace 5acffc937a867ec7 ]--- [ 49.526055][ T5150] BTRFS: error (device loop0) in btrfs_rename:10009: errno=-12 Out of memory [ 49.527528][ T5150] BTRFS info (device loop0): forced readonly [ 49.722017][ T5171] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5171) [ 49.726383][ T5171] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.728160][ T5171] BTRFS info (device loop0): using free space tree [ 49.729397][ T5171] BTRFS info (device loop0): has skinny extents [ 49.746514][ T5171] BTRFS info (device loop0): enabling ssd optimizations [ 49.751473][ T5171] FAULT_INJECTION: forcing a failure. [ 49.751473][ T5171] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 49.753835][ T5171] CPU: 0 PID: 5171 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.755380][ T5171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.757187][ T5171] Call trace: [ 49.757773][ T5171] dump_backtrace+0x0/0x458 [ 49.758643][ T5171] show_stack+0x2c/0x3c [ 49.759351][ T5171] __dump_stack+0x30/0x40 [ 49.760108][ T5171] dump_stack_lvl+0xf4/0x15c [ 49.760929][ T5171] dump_stack+0x1c/0x5c [ 49.761673][ T5171] should_fail+0x3c8/0x520 [ 49.762443][ T5171] should_fail_alloc_page+0x74/0xa8 [ 49.763437][ T5171] prepare_alloc_pages+0x160/0x460 [ 49.764343][ T5171] __alloc_pages+0x108/0x474 [ 49.765144][ T5171] alloc_pages+0x34c/0x5c0 [ 49.765910][ T5171] new_slab+0xdc/0x53c [ 49.766576][ T5171] ___slab_alloc+0x6ac/0xd84 [ 49.767375][ T5171] __slab_alloc+0x68/0xc0 [ 49.768130][ T5171] kmem_cache_alloc+0x2a8/0x3d8 [ 49.768973][ T5171] start_transaction+0x530/0x1438 [ 49.769861][ T5171] btrfs_start_transaction+0x34/0x44 [ 49.770785][ T5171] btrfs_rename2+0x1b7c/0x323c [ 49.771652][ T5171] vfs_rename+0xb08/0xe3c [ 49.772382][ T5171] do_renameat2+0x73c/0xc90 [ 49.773143][ T5171] __arm64_sys_renameat2+0xe8/0x104 [ 49.773999][ T5171] invoke_syscall+0x98/0x28c [ 49.774815][ T5171] el0_svc_common+0x13c/0x258 [ 49.775652][ T5171] do_el0_svc+0x5c/0x140 [ 49.776398][ T5171] el0_svc+0x78/0x1d0 [ 49.777083][ T5171] el0t_64_sync_handler+0xcc/0xe4 [ 49.777952][ T5171] el0t_64_sync+0x1a0/0x1a4 [ 49.979059][ T5192] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5192) [ 49.983752][ T5192] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.985406][ T5192] BTRFS info (device loop0): using free space tree [ 49.986624][ T5192] BTRFS info (device loop0): has skinny extents [ 49.994809][ T5192] BTRFS info (device loop0): enabling ssd optimizations [ 50.000109][ T5192] FAULT_INJECTION: forcing a failure. [ 50.000109][ T5192] name failslab, interval 1, probability 0, space 0, times 0 [ 50.002399][ T5192] CPU: 0 PID: 5192 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.003944][ T5192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 50.005576][ T5192] Call trace: [ 50.006093][ T5192] dump_backtrace+0x0/0x458 [ 50.006847][ T5192] show_stack+0x2c/0x3c [ 50.007490][ T5192] __dump_stack+0x30/0x40 [ 50.008240][ T5192] dump_stack_lvl+0xf4/0x15c [ 50.008949][ T5192] dump_stack+0x1c/0x5c [ 50.009630][ T5192] should_fail+0x3c8/0x520 [ 50.010355][ T5192] __should_failslab+0xbc/0x10c [ 50.011200][ T5192] should_failslab+0x10/0x28 [ 50.012030][ T5192] slab_pre_alloc_hook+0x64/0xe8 [ 50.012869][ T5192] kmem_cache_alloc+0x94/0x3d8 [ 50.013721][ T5192] btrfs_alloc_path+0x5c/0x68 [ 50.014572][ T5192] __btrfs_unlink_inode+0x1e0/0xab8 [ 50.015473][ T5192] btrfs_rename2+0x21a4/0x323c [ 50.016310][ T5192] vfs_rename+0xb08/0xe3c [ 50.017063][ T5192] do_renameat2+0x73c/0xc90 [ 50.017877][ T5192] __arm64_sys_renameat2+0xe8/0x104 [ 50.018792][ T5192] invoke_syscall+0x98/0x28c [ 50.019604][ T5192] el0_svc_common+0x13c/0x258 [ 50.020452][ T5192] do_el0_svc+0x5c/0x140 [ 50.021222][ T5192] el0_svc+0x78/0x1d0 [ 50.021931][ T5192] el0t_64_sync_handler+0xcc/0xe4 [ 50.022803][ T5192] el0t_64_sync+0x1a0/0x1a4 [ 50.023718][ T5192] ------------[ cut here ]------------ [ 50.024764][ T5192] WARNING: CPU: 0 PID: 5192 at fs/btrfs/inode.c:10009 btrfs_rename2+0x27dc/0x323c [ 50.026141][ T5192] Modules linked in: [ 50.026769][ T5192] CPU: 0 PID: 5192 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.028160][ T5192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 50.029845][ T5192] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.031075][ T5192] pc : btrfs_rename2+0x27dc/0x323c [ 50.031923][ T5192] lr : btrfs_rename2+0x27dc/0x323c [ 50.032734][ T5192] sp : ffff8000220d7880 [ 50.033418][ T5192] x29: ffff8000220d7980 x28: ffff0000d00c8000 x27: ffff0000e24da4c4 [ 50.034750][ T5192] x26: ffff0000dad24000 x25: 00000000fffffff4 x24: ffff0000e25d8e90 [ 50.036153][ T5192] x23: ffff0000e25da230 x22: 0000000000000000 x21: ffff0000dece83c8 [ 50.037513][ T5192] x20: 1fffe0001bd9d079 x19: ffff0000dece8370 x18: 0000000000000000 [ 50.038834][ T5192] x17: 0000000000000000 x16: ffff8000082c6844 x15: 0000000000000000 [ 50.040215][ T5192] x14: 0000000000000001 x13: 1ffff0000441ae30 x12: 0000000000000000 [ 50.041624][ T5192] x11: ff80800008300a7c x10: 0000000000000000 x9 : 7b6d3de3d40f0400 [ 50.043088][ T5192] x8 : 7b6d3de3d40f0400 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.044481][ T5192] x5 : ffff8000220d7198 x4 : ffff80001448f520 x3 : ffff8000083083a4 [ 50.045890][ T5192] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.047253][ T5192] Call trace: [ 50.047791][ T5192] btrfs_rename2+0x27dc/0x323c [ 50.048628][ T5192] vfs_rename+0xb08/0xe3c [ 50.049395][ T5192] do_renameat2+0x73c/0xc90 [ 50.050157][ T5192] __arm64_sys_renameat2+0xe8/0x104 [ 50.051083][ T5192] invoke_syscall+0x98/0x28c [ 50.051883][ T5192] el0_svc_common+0x13c/0x258 [ 50.052697][ T5192] do_el0_svc+0x5c/0x140 [ 50.053442][ T5192] el0_svc+0x78/0x1d0 [ 50.054144][ T5192] el0t_64_sync_handler+0xcc/0xe4 [ 50.055123][ T5192] el0t_64_sync+0x1a0/0x1a4 [ 50.055921][ T5192] irq event stamp: 80086 [ 50.056652][ T5192] hardirqs last enabled at (80085): [] __up_console_sem+0xb4/0xfc [ 50.058258][ T5192] hardirqs last disabled at (80086): [] el1_dbg+0x24/0x80 [ 50.059772][ T5192] softirqs last enabled at (80070): [] handle_softirqs+0xa70/0xc14 [ 50.061543][ T5192] softirqs last disabled at (80061): [] __irq_exit_rcu+0x240/0x434 [ 50.063237][ T5192] ---[ end trace 5acffc937a867ec8 ]--- [ 50.064430][ T5192] BTRFS: error (device loop0) in btrfs_rename:10009: errno=-12 Out of memory [ 50.065917][ T5192] BTRFS info (device loop0): forced readonly [ 50.256008][ T5213] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5213) [ 50.261404][ T5213] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.262937][ T5213] BTRFS info (device loop0): using free space tree [ 50.264042][ T5213] BTRFS info (device loop0): has skinny extents [ 50.286665][ T5213] BTRFS info (device loop0): enabling ssd optimizations [ 50.292960][ T5213] FAULT_INJECTION: forcing a failure. [ 50.292960][ T5213] name failslab, interval 1, probability 0, space 0, times 0 [ 50.295223][ T5213] CPU: 1 PID: 5213 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.296744][ T5213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 50.298470][ T5213] Call trace: [ 50.299029][ T5213] dump_backtrace+0x0/0x458 [ 50.299832][ T5213] show_stack+0x2c/0x3c [ 50.300551][ T5213] __dump_stack+0x30/0x40 [ 50.301284][ T5213] dump_stack_lvl+0xf4/0x15c [ 50.302075][ T5213] dump_stack+0x1c/0x5c [ 50.302799][ T5213] should_fail+0x3c8/0x520 [ 50.303566][ T5213] __should_failslab+0xbc/0x10c [ 50.304389][ T5213] should_failslab+0x10/0x28 [ 50.305178][ T5213] slab_pre_alloc_hook+0x64/0xe8 [ 50.306026][ T5213] kmem_cache_alloc+0x94/0x3d8 [ 50.306854][ T5213] btrfs_alloc_path+0x5c/0x68 [ 50.307649][ T5213] btrfs_insert_inode_ref+0xf4/0xa24 [ 50.308543][ T5213] btrfs_rename2+0x1f20/0x323c [ 50.309355][ T5213] vfs_rename+0xb08/0xe3c [ 50.310088][ T5213] do_renameat2+0x73c/0xc90 [ 50.310833][ T5213] __arm64_sys_renameat2+0xe8/0x104 [ 50.311716][ T5213] invoke_syscall+0x98/0x28c [ 50.312495][ T5213] el0_svc_common+0x13c/0x258 [ 50.313266][ T5213] do_el0_svc+0x5c/0x140 [ 50.313971][ T5213] el0_svc+0x78/0x1d0 [ 50.314608][ T5213] el0t_64_sync_handler+0xcc/0xe4 [ 50.315421][ T5213] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:00:50 executed programs: 33 [ 50.516850][ T5234] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5234) [ 50.521718][ T5234] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.523452][ T5234] BTRFS info (device loop0): using free space tree [ 50.524629][ T5234] BTRFS info (device loop0): has skinny extents [ 50.546285][ T5234] BTRFS info (device loop0): enabling ssd optimizations [ 50.551388][ T5234] FAULT_INJECTION: forcing a failure. [ 50.551388][ T5234] name failslab, interval 1, probability 0, space 0, times 0 [ 50.553589][ T5234] CPU: 0 PID: 5234 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.555096][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 50.556937][ T5234] Call trace: [ 50.557508][ T5234] dump_backtrace+0x0/0x458 [ 50.558321][ T5234] show_stack+0x2c/0x3c [ 50.559027][ T5234] __dump_stack+0x30/0x40 [ 50.559793][ T5234] dump_stack_lvl+0xf4/0x15c [ 50.560586][ T5234] dump_stack+0x1c/0x5c [ 50.561303][ T5234] should_fail+0x3c8/0x520 [ 50.562091][ T5234] __should_failslab+0xbc/0x10c [ 50.562862][ T5234] should_failslab+0x10/0x28 [ 50.563583][ T5234] slab_pre_alloc_hook+0x64/0xe8 [ 50.564399][ T5234] kmem_cache_alloc+0x94/0x3d8 [ 50.565195][ T5234] btrfs_alloc_path+0x5c/0x68 [ 50.566011][ T5234] btrfs_check_dir_item_collision+0x9c/0x2ec [ 50.567037][ T5234] btrfs_rename2+0x1a54/0x323c [ 50.567865][ T5234] vfs_rename+0xb08/0xe3c [ 50.568619][ T5234] do_renameat2+0x73c/0xc90 [ 50.569399][ T5234] __arm64_sys_renameat2+0xe8/0x104 [ 50.570299][ T5234] invoke_syscall+0x98/0x28c [ 50.571109][ T5234] el0_svc_common+0x13c/0x258 [ 50.571959][ T5234] do_el0_svc+0x5c/0x140 [ 50.572738][ T5234] el0_svc+0x78/0x1d0 [ 50.573471][ T5234] el0t_64_sync_handler+0xcc/0xe4 [ 50.574406][ T5234] el0t_64_sync+0x1a0/0x1a4 [ 50.803884][ T5255] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5255) [ 50.808826][ T5255] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.810644][ T5255] BTRFS info (device loop0): using free space tree [ 50.812072][ T5255] BTRFS info (device loop0): has skinny extents [ 50.829846][ T5255] BTRFS info (device loop0): enabling ssd optimizations [ 50.835497][ T5255] FAULT_INJECTION: forcing a failure. [ 50.835497][ T5255] name failslab, interval 1, probability 0, space 0, times 0 [ 50.837947][ T5255] CPU: 1 PID: 5255 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.839590][ T5255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 50.841446][ T5255] Call trace: [ 50.842044][ T5255] dump_backtrace+0x0/0x458 [ 50.842874][ T5255] show_stack+0x2c/0x3c [ 50.843616][ T5255] __dump_stack+0x30/0x40 [ 50.844412][ T5255] dump_stack_lvl+0xf4/0x15c [ 50.845208][ T5255] dump_stack+0x1c/0x5c [ 50.845911][ T5255] should_fail+0x3c8/0x520 [ 50.846642][ T5255] __should_failslab+0xbc/0x10c [ 50.847471][ T5255] should_failslab+0x10/0x28 [ 50.848250][ T5255] slab_pre_alloc_hook+0x64/0xe8 [ 50.849124][ T5255] kmem_cache_alloc+0x94/0x3d8 [ 50.849934][ T5255] btrfs_alloc_path+0x5c/0x68 [ 50.850731][ T5255] btrfs_insert_inode_ref+0xf4/0xa24 [ 50.851691][ T5255] btrfs_rename2+0x1f20/0x323c [ 50.852540][ T5255] vfs_rename+0xb08/0xe3c [ 50.853322][ T5255] do_renameat2+0x73c/0xc90 [ 50.854104][ T5255] __arm64_sys_renameat2+0xe8/0x104 [ 50.854995][ T5255] invoke_syscall+0x98/0x28c [ 50.855755][ T5255] el0_svc_common+0x13c/0x258 [ 50.856583][ T5255] do_el0_svc+0x5c/0x140 [ 50.857302][ T5255] el0_svc+0x78/0x1d0 [ 50.857998][ T5255] el0t_64_sync_handler+0xcc/0xe4 [ 50.858892][ T5255] el0t_64_sync+0x1a0/0x1a4 [ 51.068675][ T5276] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5276) [ 51.078529][ T5276] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.080160][ T5276] BTRFS info (device loop0): using free space tree [ 51.081412][ T5276] BTRFS info (device loop0): has skinny extents [ 51.112842][ T5276] BTRFS info (device loop0): enabling ssd optimizations [ 51.123040][ T5276] FAULT_INJECTION: forcing a failure. [ 51.123040][ T5276] name failslab, interval 1, probability 0, space 0, times 0 [ 51.125529][ T5276] CPU: 0 PID: 5276 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.127144][ T5276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 51.129009][ T5276] Call trace: [ 51.129601][ T5276] dump_backtrace+0x0/0x458 [ 51.130435][ T5276] show_stack+0x2c/0x3c [ 51.131187][ T5276] __dump_stack+0x30/0x40 [ 51.131906][ T5276] dump_stack_lvl+0xf4/0x15c [ 51.132647][ T5276] dump_stack+0x1c/0x5c [ 51.133367][ T5276] should_fail+0x3c8/0x520 [ 51.134127][ T5276] __should_failslab+0xbc/0x10c [ 51.135007][ T5276] should_failslab+0x10/0x28 [ 51.135802][ T5276] slab_pre_alloc_hook+0x64/0xe8 [ 51.136618][ T5276] kmem_cache_alloc+0x94/0x3d8 [ 51.137425][ T5276] btrfs_alloc_path+0x5c/0x68 [ 51.138224][ T5276] __btrfs_unlink_inode+0x1e0/0xab8 [ 51.139109][ T5276] btrfs_rename2+0x21a4/0x323c [ 51.139879][ T5276] vfs_rename+0xb08/0xe3c [ 51.140644][ T5276] do_renameat2+0x73c/0xc90 [ 51.141418][ T5276] __arm64_sys_renameat2+0xe8/0x104 [ 51.142303][ T5276] invoke_syscall+0x98/0x28c [ 51.143079][ T5276] el0_svc_common+0x13c/0x258 [ 51.143879][ T5276] do_el0_svc+0x5c/0x140 [ 51.144568][ T5276] el0_svc+0x78/0x1d0 [ 51.145237][ T5276] el0t_64_sync_handler+0xcc/0xe4 [ 51.146140][ T5276] el0t_64_sync+0x1a0/0x1a4 [ 51.147656][ T5276] ------------[ cut here ]------------ [ 51.148731][ T5276] WARNING: CPU: 1 PID: 5276 at fs/btrfs/inode.c:10009 btrfs_rename2+0x27dc/0x323c [ 51.150307][ T5276] Modules linked in: [ 51.150994][ T5276] CPU: 1 PID: 5276 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.152910][ T5276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 51.154818][ T5276] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.156463][ T5276] pc : btrfs_rename2+0x27dc/0x323c [ 51.157459][ T5276] lr : btrfs_rename2+0x27dc/0x323c [ 51.158415][ T5276] sp : ffff800022617880 [ 51.159173][ T5276] x29: ffff800022617980 x28: ffff0000d2550000 x27: ffff0000db82f1fc [ 51.160787][ T5276] x26: ffff0000dc762000 x25: 00000000fffffff4 x24: ffff0000e24f4970 [ 51.162304][ T5276] x23: ffff0000e25ddd10 x22: 0000000000000000 x21: ffff0000dece87e8 [ 51.163953][ T5276] x20: 1fffe0001bd9d0fd x19: ffff0000dece8790 x18: 0000000000000000 [ 51.165405][ T5276] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 51.166800][ T5276] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 51.168196][ T5276] x11: ff80800008300a7c x10: 0000000000000000 x9 : 7eb8bebc782abc00 [ 51.169583][ T5276] x8 : 7eb8bebc782abc00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.170948][ T5276] x5 : ffff800022617198 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 51.172338][ T5276] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.173755][ T5276] Call trace: [ 51.174311][ T5276] btrfs_rename2+0x27dc/0x323c [ 51.175154][ T5276] vfs_rename+0xb08/0xe3c [ 51.175920][ T5276] do_renameat2+0x73c/0xc90 [ 51.176724][ T5276] __arm64_sys_renameat2+0xe8/0x104 [ 51.177759][ T5276] invoke_syscall+0x98/0x28c [ 51.178656][ T5276] el0_svc_common+0x13c/0x258 [ 51.179526][ T5276] do_el0_svc+0x5c/0x140 [ 51.180295][ T5276] el0_svc+0x78/0x1d0 [ 51.181029][ T5276] el0t_64_sync_handler+0xcc/0xe4 [ 51.181967][ T5276] el0t_64_sync+0x1a0/0x1a4 [ 51.182813][ T5276] irq event stamp: 80458 [ 51.183569][ T5276] hardirqs last enabled at (80457): [] __up_console_sem+0xb4/0xfc [ 51.185185][ T5276] hardirqs last disabled at (80458): [] el1_dbg+0x24/0x80 [ 51.186679][ T5276] softirqs last enabled at (80438): [] handle_softirqs+0xa70/0xc14 [ 51.188373][ T5276] softirqs last disabled at (80429): [] __irq_exit_rcu+0x240/0x434 [ 51.190165][ T5276] ---[ end trace 5acffc937a867ec9 ]--- [ 51.192452][ T5276] BTRFS: error (device loop0) in btrfs_rename:10009: errno=-12 Out of memory [ 51.193960][ T5276] BTRFS info (device loop0): forced readonly [ 51.386068][ T5297] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5297) [ 51.392139][ T5297] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.394106][ T5297] BTRFS info (device loop0): using free space tree [ 51.395695][ T5297] BTRFS info (device loop0): has skinny extents [ 51.412749][ T5297] BTRFS info (device loop0): enabling ssd optimizations [ 51.418387][ T5297] FAULT_INJECTION: forcing a failure. [ 51.418387][ T5297] name failslab, interval 1, probability 0, space 0, times 0 [ 51.420794][ T5297] CPU: 1 PID: 5297 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.422529][ T5297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 51.424610][ T5297] Call trace: [ 51.425216][ T5297] dump_backtrace+0x0/0x458 [ 51.426024][ T5297] show_stack+0x2c/0x3c [ 51.426730][ T5297] __dump_stack+0x30/0x40 [ 51.427481][ T5297] dump_stack_lvl+0xf4/0x15c [ 51.428288][ T5297] dump_stack+0x1c/0x5c [ 51.428968][ T5297] should_fail+0x3c8/0x520 [ 51.429754][ T5297] __should_failslab+0xbc/0x10c [ 51.430567][ T5297] should_failslab+0x10/0x28 [ 51.431465][ T5297] slab_pre_alloc_hook+0x64/0xe8 [ 51.432328][ T5297] kmem_cache_alloc+0x94/0x3d8 [ 51.433148][ T5297] btrfs_alloc_path+0x5c/0x68 [ 51.433960][ T5297] btrfs_insert_inode_ref+0xf4/0xa24 [ 51.434858][ T5297] btrfs_rename2+0x1f20/0x323c [ 51.435672][ T5297] vfs_rename+0xb08/0xe3c [ 51.436487][ T5297] do_renameat2+0x73c/0xc90 [ 51.437242][ T5297] __arm64_sys_renameat2+0xe8/0x104 [ 51.438085][ T5297] invoke_syscall+0x98/0x28c [ 51.438839][ T5297] el0_svc_common+0x13c/0x258 [ 51.439615][ T5297] do_el0_svc+0x5c/0x140 [ 51.440303][ T5297] el0_svc+0x78/0x1d0 [ 51.440973][ T5297] el0t_64_sync_handler+0xcc/0xe4 [ 51.441870][ T5297] el0t_64_sync+0x1a0/0x1a4 [ 51.622285][ T5318] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5318) [ 51.626562][ T5318] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.628294][ T5318] BTRFS info (device loop0): using free space tree [ 51.629419][ T5318] BTRFS info (device loop0): has skinny extents [ 51.644831][ T5318] BTRFS info (device loop0): enabling ssd optimizations [ 51.650583][ T5318] FAULT_INJECTION: forcing a failure. [ 51.650583][ T5318] name failslab, interval 1, probability 0, space 0, times 0 [ 51.653357][ T5318] CPU: 1 PID: 5318 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.655014][ T5318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 51.656763][ T5318] Call trace: [ 51.657281][ T5318] dump_backtrace+0x0/0x458 [ 51.658029][ T5318] show_stack+0x2c/0x3c [ 51.658726][ T5318] __dump_stack+0x30/0x40 [ 51.659550][ T5318] dump_stack_lvl+0xf4/0x15c [ 51.660457][ T5318] dump_stack+0x1c/0x5c [ 51.661252][ T5318] should_fail+0x3c8/0x520 [ 51.662111][ T5318] __should_failslab+0xbc/0x10c [ 51.663025][ T5318] should_failslab+0x10/0x28 [ 51.663910][ T5318] slab_pre_alloc_hook+0x64/0xe8 [ 51.664929][ T5318] kmem_cache_alloc+0x94/0x3d8 [ 51.665912][ T5318] btrfs_alloc_path+0x5c/0x68 [ 51.666843][ T5318] __btrfs_unlink_inode+0x1e0/0xab8 [ 51.667834][ T5318] btrfs_rename2+0x21a4/0x323c [ 51.668653][ T5318] vfs_rename+0xb08/0xe3c [ 51.669422][ T5318] do_renameat2+0x73c/0xc90 [ 51.670237][ T5318] __arm64_sys_renameat2+0xe8/0x104 [ 51.671151][ T5318] invoke_syscall+0x98/0x28c [ 51.671925][ T5318] el0_svc_common+0x13c/0x258 [ 51.672729][ T5318] do_el0_svc+0x5c/0x140 [ 51.673487][ T5318] el0_svc+0x78/0x1d0 [ 51.674183][ T5318] el0t_64_sync_handler+0xcc/0xe4 [ 51.675065][ T5318] el0t_64_sync+0x1a0/0x1a4 [ 51.677857][ T5318] ------------[ cut here ]------------ [ 51.678903][ T5318] WARNING: CPU: 1 PID: 5318 at fs/btrfs/inode.c:10009 btrfs_rename2+0x27dc/0x323c [ 51.680604][ T5318] Modules linked in: [ 51.681342][ T5318] CPU: 1 PID: 5318 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.682983][ T5318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 51.685000][ T5318] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.686458][ T5318] pc : btrfs_rename2+0x27dc/0x323c [ 51.687445][ T5318] lr : btrfs_rename2+0x27dc/0x323c [ 51.688415][ T5318] sp : ffff800022ef7880 [ 51.689196][ T5318] x29: ffff800022ef7980 x28: ffff0000d6acc000 x27: ffff0000dd257954 [ 51.690594][ T5318] x26: ffff0000cd232000 x25: 00000000fffffff4 x24: ffff0000e24f7a80 [ 51.691957][ T5318] x23: ffff0000dee48e90 x22: 0000000000000000 x21: ffff0000ded4e108 [ 51.693355][ T5318] x20: 1fffe0001bda9c21 x19: ffff0000ded4e0b0 x18: 0000000000000000 [ 51.694735][ T5318] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 51.696096][ T5318] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 51.697480][ T5318] x11: ff80800008300a7c x10: 0000000000000000 x9 : 7ca71dd1219b1e00 [ 51.698873][ T5318] x8 : 7ca71dd1219b1e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.700247][ T5318] x5 : ffff800022ef7198 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 51.701639][ T5318] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.702994][ T5318] Call trace: [ 51.703554][ T5318] btrfs_rename2+0x27dc/0x323c [ 51.704384][ T5318] vfs_rename+0xb08/0xe3c [ 51.705150][ T5318] do_renameat2+0x73c/0xc90 [ 51.705902][ T5318] __arm64_sys_renameat2+0xe8/0x104 [ 51.706792][ T5318] invoke_syscall+0x98/0x28c [ 51.707568][ T5318] el0_svc_common+0x13c/0x258 [ 51.708376][ T5318] do_el0_svc+0x5c/0x140 [ 51.709086][ T5318] el0_svc+0x78/0x1d0 [ 51.709762][ T5318] el0t_64_sync_handler+0xcc/0xe4 [ 51.710615][ T5318] el0t_64_sync+0x1a0/0x1a4 [ 51.711367][ T5318] irq event stamp: 79898 [ 51.712073][ T5318] hardirqs last enabled at (79897): [] __up_console_sem+0xb4/0xfc [ 51.713656][ T5318] hardirqs last disabled at (79898): [] el1_dbg+0x24/0x80 [ 51.715075][ T5318] softirqs last enabled at (79878): [] handle_softirqs+0xa70/0xc14 [ 51.716630][ T5318] softirqs last disabled at (79857): [] __irq_exit_rcu+0x240/0x434 [ 51.718244][ T5318] ---[ end trace 5acffc937a867eca ]--- [ 51.721526][ T5318] BTRFS: error (device loop0) in btrfs_rename:10009: errno=-12 Out of memory [ 51.723285][ T5318] BTRFS info (device loop0): forced readonly [ 51.931482][ T5339] set_capacity_and_notify: 10 callbacks suppressed [ 51.931490][ T5339] loop0: detected capacity change from 0 to 32768 [ 51.935263][ T5339] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5339) [ 51.939764][ T5339] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.941786][ T5339] BTRFS info (device loop0): using free space tree [ 51.943014][ T5339] BTRFS info (device loop0): has skinny extents [ 51.957779][ T5339] BTRFS info (device loop0): enabling ssd optimizations