Warning: Permanently added '10.128.1.175' (ED25519) to the list of known hosts. 1970/01/01 00:00:49 ignoring optional flag "type"="gce" 1970/01/01 00:00:49 parsed 1 programs [ 49.853304][ T4259] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:49 executed programs: 0 [ 49.926135][ T4266] chnl_net:caif_netlink_parms(): no params data found [ 49.946570][ T4266] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.947756][ T4266] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.949333][ T4266] device bridge_slave_0 entered promiscuous mode [ 49.951659][ T4266] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.952887][ T4266] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.954446][ T4266] device bridge_slave_1 entered promiscuous mode [ 49.964036][ T4266] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.966784][ T4266] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.975744][ T4266] team0: Port device team_slave_0 added [ 49.977857][ T4266] team0: Port device team_slave_1 added [ 49.985490][ T4266] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.986694][ T4266] 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. [ 49.991350][ T4266] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.994434][ T4266] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.995659][ T4266] 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. [ 50.000250][ T4266] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.051831][ T4266] device hsr_slave_0 entered promiscuous mode [ 50.100941][ T4266] device hsr_slave_1 entered promiscuous mode [ 50.735506][ T4266] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.772720][ T4266] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.812244][ T4266] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.853211][ T4266] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.907715][ T4266] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.909023][ T4266] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.910341][ T4266] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.911613][ T4266] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.933204][ T4266] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.938209][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.940364][ T1134] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.943516][ T1134] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.945592][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.950130][ T4266] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.962393][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.964123][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.965673][ T1134] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.966841][ T1134] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.968666][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.970344][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.977387][ T1134] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.978595][ T1134] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.982525][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.985597][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.990541][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.993759][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.995552][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.001794][ T4266] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 51.003729][ T4266] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 51.005995][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.008101][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.009751][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.013618][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.015566][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.017283][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.018935][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.064150][ T4266] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.071632][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.072966][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.074180][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.075964][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.083711][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.085271][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.087336][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.088954][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.092498][ T4266] device veth0_vlan entered promiscuous mode [ 51.095826][ T4266] device veth1_vlan entered promiscuous mode [ 51.107500][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.109222][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.111545][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.113472][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.116329][ T4266] device veth0_macvtap entered promiscuous mode [ 51.118942][ T4266] device veth1_macvtap entered promiscuous mode [ 51.126035][ T4266] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.127338][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.128886][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.130414][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.132688][ T1637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.136010][ T4266] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.138063][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.139673][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.143500][ T4266] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.144977][ T4266] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.146485][ T4266] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.147955][ T4266] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.301970][ T4401] loop0: detected capacity change from 0 to 32768 [ 51.308553][ T4401] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4401) [ 51.319992][ T4401] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.323180][ T4401] BTRFS info (device loop0): using free space tree [ 51.324228][ T4401] BTRFS info (device loop0): has skinny extents [ 51.395070][ T4401] BTRFS info (device loop0): enabling ssd optimizations [ 51.423959][ T4401] FAULT_INJECTION: forcing a failure. [ 51.423959][ T4401] name failslab, interval 1, probability 0, space 0, times 1 [ 51.426084][ T4401] CPU: 0 PID: 4401 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.427319][ T4401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.429003][ T4401] Call trace: [ 51.429551][ T4401] dump_backtrace+0x0/0x458 [ 51.430299][ T4401] show_stack+0x2c/0x3c [ 51.431028][ T4401] __dump_stack+0x30/0x40 [ 51.431751][ T4401] dump_stack_lvl+0xf4/0x15c [ 51.432506][ T4401] dump_stack+0x1c/0x5c [ 51.433188][ T4401] should_fail+0x3bc/0x514 [ 51.433987][ T4401] __should_failslab+0xbc/0x10c [ 51.434885][ T4401] should_failslab+0x10/0x28 [ 51.435676][ T4401] slab_pre_alloc_hook+0x64/0xe8 [ 51.436514][ T4401] kmem_cache_alloc+0x94/0x3d4 [ 51.437357][ T4401] btrfs_alloc_path+0x5c/0x68 [ 51.438188][ T4401] btrfs_check_dir_item_collision+0x9c/0x2ec [ 51.439249][ T4401] btrfs_rename2+0x14ac/0x307c [ 51.440078][ T4401] vfs_rename+0x95c/0xde0 [ 51.440824][ T4401] do_renameat2+0x774/0xcfc [ 51.441585][ T4401] __arm64_sys_renameat2+0xe0/0xfc [ 51.442476][ T4401] invoke_syscall+0x98/0x2b0 [ 51.443268][ T4401] el0_svc_common+0x138/0x258 [ 51.444061][ T4401] do_el0_svc+0x58/0x13c [ 51.444774][ T4401] el0_svc+0x78/0x1d0 [ 51.445462][ T4401] el0t_64_sync_handler+0xcc/0xe4 [ 51.446305][ T4401] el0t_64_sync+0x1a0/0x1a4 [ 51.702102][ T4469] loop0: detected capacity change from 0 to 32768 [ 51.712723][ T4469] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4469) [ 51.716231][ T4469] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.717777][ T4469] BTRFS info (device loop0): using free space tree [ 51.718927][ T4469] BTRFS info (device loop0): has skinny extents [ 51.769166][ T4469] BTRFS info (device loop0): enabling ssd optimizations [ 51.776413][ T4469] FAULT_INJECTION: forcing a failure. [ 51.776413][ T4469] name failslab, interval 1, probability 0, space 0, times 0 [ 51.778960][ T4469] CPU: 1 PID: 4469 Comm: syz-executor.0 Not tainted syzkaller #0 [ 51.780191][ T4469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 51.781862][ T4469] Call trace: [ 51.782367][ T4469] dump_backtrace+0x0/0x458 [ 51.783100][ T4469] show_stack+0x2c/0x3c [ 51.783805][ T4469] __dump_stack+0x30/0x40 [ 51.784546][ T4469] dump_stack_lvl+0xf4/0x15c [ 51.785359][ T4469] dump_stack+0x1c/0x5c [ 51.786094][ T4469] should_fail+0x3bc/0x514 [ 51.786846][ T4469] __should_failslab+0xbc/0x10c [ 51.787695][ T4469] should_failslab+0x10/0x28 [ 51.788458][ T4469] slab_pre_alloc_hook+0x64/0xe8 [ 51.789299][ T4469] kmem_cache_alloc+0x94/0x3d4 [ 51.790097][ T4469] btrfs_alloc_path+0x5c/0x68 [ 51.790906][ T4469] btrfs_insert_inode_ref+0xf0/0xa2c [ 51.791795][ T4469] btrfs_rename2+0x1978/0x307c [ 51.792686][ T4469] vfs_rename+0x95c/0xde0 [ 51.793448][ T4469] do_renameat2+0x774/0xcfc [ 51.794177][ T4469] __arm64_sys_renameat2+0xe0/0xfc [ 51.795064][ T4469] invoke_syscall+0x98/0x2b0 [ 51.795814][ T4469] el0_svc_common+0x138/0x258 [ 51.796589][ T4469] do_el0_svc+0x58/0x13c [ 51.797282][ T4469] el0_svc+0x78/0x1d0 [ 51.797968][ T4469] el0t_64_sync_handler+0xcc/0xe4 [ 51.798792][ T4469] el0t_64_sync+0x1a0/0x1a4 [ 51.941525][ T4063] Bluetooth: hci0: command 0x0409 tx timeout [ 52.005646][ T4524] loop0: detected capacity change from 0 to 32768 [ 52.014772][ T4524] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4524) [ 52.031805][ T4524] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.033403][ T4524] BTRFS info (device loop0): using free space tree [ 52.034405][ T4524] BTRFS info (device loop0): has skinny extents [ 52.074799][ T4524] BTRFS info (device loop0): enabling ssd optimizations [ 52.082438][ T4524] FAULT_INJECTION: forcing a failure. [ 52.082438][ T4524] name failslab, interval 1, probability 0, space 0, times 0 [ 52.084836][ T4524] CPU: 1 PID: 4524 Comm: syz-executor.0 Not tainted syzkaller #0 [ 52.086118][ T4524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.087779][ T4524] Call trace: [ 52.088285][ T4524] dump_backtrace+0x0/0x458 [ 52.088994][ T4524] show_stack+0x2c/0x3c [ 52.089681][ T4524] __dump_stack+0x30/0x40 [ 52.090356][ T4524] dump_stack_lvl+0xf4/0x15c [ 52.091067][ T4524] dump_stack+0x1c/0x5c [ 52.091758][ T4524] should_fail+0x3bc/0x514 [ 52.092533][ T4524] __should_failslab+0xbc/0x10c [ 52.093324][ T4524] should_failslab+0x10/0x28 [ 52.094082][ T4524] slab_pre_alloc_hook+0x64/0xe8 [ 52.094867][ T4524] kmem_cache_alloc+0x94/0x3d4 [ 52.095646][ T4524] start_transaction+0x4d0/0x13ec [ 52.096490][ T4524] btrfs_start_transaction+0x34/0x44 [ 52.097363][ T4524] btrfs_rename2+0x15d8/0x307c [ 52.098232][ T4524] vfs_rename+0x95c/0xde0 [ 52.098972][ T4524] do_renameat2+0x774/0xcfc [ 52.099663][ T4524] __arm64_sys_renameat2+0xe0/0xfc [ 52.100485][ T4524] invoke_syscall+0x98/0x2b0 [ 52.101236][ T4524] el0_svc_common+0x138/0x258 [ 52.102043][ T4524] do_el0_svc+0x58/0x13c [ 52.102848][ T4524] el0_svc+0x78/0x1d0 [ 52.103473][ T4524] el0t_64_sync_handler+0xcc/0xe4 [ 52.104324][ T4524] el0t_64_sync+0x1a0/0x1a4 [ 52.306665][ T4577] loop0: detected capacity change from 0 to 32768 [ 52.313189][ T4577] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4577) [ 52.318337][ T4577] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.319965][ T4577] BTRFS info (device loop0): using free space tree [ 52.321374][ T4577] BTRFS info (device loop0): has skinny extents [ 52.391485][ T4577] BTRFS info (device loop0): enabling ssd optimizations [ 52.409219][ T4577] FAULT_INJECTION: forcing a failure. [ 52.409219][ T4577] name failslab, interval 1, probability 0, space 0, times 0 [ 52.413305][ T4577] CPU: 1 PID: 4577 Comm: syz-executor.0 Not tainted syzkaller #0 [ 52.414637][ T4577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.416443][ T4577] Call trace: [ 52.416983][ T4577] dump_backtrace+0x0/0x458 [ 52.417753][ T4577] show_stack+0x2c/0x3c [ 52.418477][ T4577] __dump_stack+0x30/0x40 [ 52.419192][ T4577] dump_stack_lvl+0xf4/0x15c [ 52.419957][ T4577] dump_stack+0x1c/0x5c [ 52.420707][ T4577] should_fail+0x3bc/0x514 [ 52.421516][ T4577] __should_failslab+0xbc/0x10c [ 52.422403][ T4577] should_failslab+0x10/0x28 [ 52.423240][ T4577] slab_pre_alloc_hook+0x64/0xe8 [ 52.424039][ T4577] kmem_cache_alloc+0x94/0x3d4 [ 52.424742][ T4577] btrfs_alloc_path+0x5c/0x68 [ 52.425478][ T4577] __btrfs_unlink_inode+0x1dc/0xaec [ 52.426404][ T4577] btrfs_rename2+0x1bf8/0x307c [ 52.427208][ T4577] vfs_rename+0x95c/0xde0 [ 52.427968][ T4577] do_renameat2+0x774/0xcfc [ 52.428733][ T4577] __arm64_sys_renameat2+0xe0/0xfc [ 52.429621][ T4577] invoke_syscall+0x98/0x2b0 [ 52.430380][ T4577] el0_svc_common+0x138/0x258 [ 52.431268][ T4577] do_el0_svc+0x58/0x13c [ 52.432003][ T4577] el0_svc+0x78/0x1d0 [ 52.432680][ T4577] el0t_64_sync_handler+0xcc/0xe4 [ 52.433608][ T4577] el0t_64_sync+0x1a0/0x1a4 [ 52.435598][ T4577] ------------[ cut here ]------------ [ 52.436688][ T4577] WARNING: CPU: 1 PID: 4577 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 52.438287][ T4577] Modules linked in: [ 52.438965][ T4577] CPU: 1 PID: 4577 Comm: syz-executor.0 Not tainted syzkaller #0 [ 52.440139][ T4577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.441781][ T4577] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.443282][ T4577] pc : btrfs_rename2+0x26a8/0x307c [ 52.444165][ T4577] lr : btrfs_rename2+0x26a8/0x307c [ 52.444970][ T4577] sp : ffff80001f6b7870 [ 52.445626][ T4577] x29: ffff80001f6b7980 x28: ffff0000def0cc10 x27: 0000000000000000 [ 52.447006][ T4577] x26: dfff800000000000 x25: ffff0000e2145d10 x24: ffff0000cdbe8000 [ 52.448318][ T4577] x23: ffff0000e2145850 x22: ffff80001431fcc0 x21: 1fffe0001bd9ab29 [ 52.449583][ T4577] x20: ffff0000decd5948 x19: 00000000fffffff4 x18: 0000000000000001 [ 52.451077][ T4577] x17: 0000000000000000 x16: ffff800008304af8 x15: 00000000ffffffff [ 52.452489][ T4577] x14: 0000000000000001 x13: 1ffff00003ed6e2c x12: 0000000000ff0100 [ 52.453990][ T4577] x11: 0000000000000000 x10: 0000000000000000 x9 : dd96fe71a95f6100 [ 52.455394][ T4577] x8 : dd96fe71a95f6100 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.456820][ T4577] x5 : ffff80001f6b7178 x4 : ffff80001437f3e0 x3 : ffff800008304c08 [ 52.458329][ T4577] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.459763][ T4577] Call trace: [ 52.460304][ T4577] btrfs_rename2+0x26a8/0x307c [ 52.461107][ T4577] vfs_rename+0x95c/0xde0 [ 52.461844][ T4577] do_renameat2+0x774/0xcfc [ 52.462595][ T4577] __arm64_sys_renameat2+0xe0/0xfc [ 52.463471][ T4577] invoke_syscall+0x98/0x2b0 [ 52.464299][ T4577] el0_svc_common+0x138/0x258 [ 52.465157][ T4577] do_el0_svc+0x58/0x13c [ 52.465868][ T4577] el0_svc+0x78/0x1d0 [ 52.466511][ T4577] el0t_64_sync_handler+0xcc/0xe4 [ 52.467440][ T4577] el0t_64_sync+0x1a0/0x1a4 [ 52.468237][ T4577] irq event stamp: 80674 [ 52.468963][ T4577] hardirqs last enabled at (80673): [] __up_console_sem+0xb4/0xfc [ 52.470549][ T4577] hardirqs last disabled at (80674): [] el1_dbg+0x24/0x80 [ 52.472018][ T4577] softirqs last enabled at (80654): [] handle_softirqs+0xa40/0xbe4 [ 52.473620][ T4577] softirqs last disabled at (80493): [] __irq_exit_rcu+0x240/0x43c [ 52.475324][ T4577] ---[ end trace 81b4ab06da20f8a7 ]--- [ 52.485256][ T4577] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 52.486780][ T4577] BTRFS info (device loop0): forced readonly [ 52.691954][ T4641] loop0: detected capacity change from 0 to 32768 [ 52.696840][ T4641] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4641) [ 52.703277][ T4641] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.704847][ T4641] BTRFS info (device loop0): using free space tree [ 52.705985][ T4641] BTRFS info (device loop0): has skinny extents [ 52.714789][ T4641] BTRFS info (device loop0): enabling ssd optimizations [ 52.720351][ T4641] FAULT_INJECTION: forcing a failure. [ 52.720351][ T4641] name failslab, interval 1, probability 0, space 0, times 0 [ 52.722793][ T4641] CPU: 1 PID: 4641 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.724272][ T4641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.726029][ T4641] Call trace: [ 52.726584][ T4641] dump_backtrace+0x0/0x458 [ 52.727379][ T4641] show_stack+0x2c/0x3c [ 52.728131][ T4641] __dump_stack+0x30/0x40 [ 52.728896][ T4641] dump_stack_lvl+0xf4/0x15c [ 52.729709][ T4641] dump_stack+0x1c/0x5c [ 52.730428][ T4641] should_fail+0x3bc/0x514 [ 52.731243][ T4641] __should_failslab+0xbc/0x10c [ 52.732101][ T4641] should_failslab+0x10/0x28 [ 52.732926][ T4641] slab_pre_alloc_hook+0x64/0xe8 [ 52.733803][ T4641] kmem_cache_alloc+0x94/0x3d4 [ 52.734637][ T4641] btrfs_alloc_path+0x5c/0x68 [ 52.735476][ T4641] btrfs_insert_inode_ref+0xf0/0xa2c [ 52.736403][ T4641] btrfs_rename2+0x1978/0x307c [ 52.737266][ T4641] vfs_rename+0x95c/0xde0 [ 52.737999][ T4641] do_renameat2+0x774/0xcfc [ 52.738714][ T4641] __arm64_sys_renameat2+0xe0/0xfc [ 52.739567][ T4641] invoke_syscall+0x98/0x2b0 [ 52.740309][ T4641] el0_svc_common+0x138/0x258 [ 52.741052][ T4641] do_el0_svc+0x58/0x13c [ 52.741777][ T4641] el0_svc+0x78/0x1d0 [ 52.742467][ T4641] el0t_64_sync_handler+0xcc/0xe4 [ 52.743328][ T4641] el0t_64_sync+0x1a0/0x1a4 [ 52.944067][ T4662] loop0: detected capacity change from 0 to 32768 [ 52.947076][ T4662] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4662) [ 52.951565][ T4662] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.953325][ T4662] BTRFS info (device loop0): using free space tree [ 52.954468][ T4662] BTRFS info (device loop0): has skinny extents [ 52.970251][ T4662] BTRFS info (device loop0): enabling ssd optimizations [ 52.978905][ T4662] FAULT_INJECTION: forcing a failure. [ 52.978905][ T4662] name failslab, interval 1, probability 0, space 0, times 0 [ 52.981675][ T4662] CPU: 0 PID: 4662 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.983172][ T4662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 52.984941][ T4662] Call trace: [ 52.985528][ T4662] dump_backtrace+0x0/0x458 [ 52.986283][ T4662] show_stack+0x2c/0x3c [ 52.987024][ T4662] __dump_stack+0x30/0x40 [ 52.987792][ T4662] dump_stack_lvl+0xf4/0x15c [ 52.988561][ T4662] dump_stack+0x1c/0x5c [ 52.989288][ T4662] should_fail+0x3bc/0x514 [ 52.989964][ T4662] __should_failslab+0xbc/0x10c [ 52.990786][ T4662] should_failslab+0x10/0x28 [ 52.991581][ T4662] slab_pre_alloc_hook+0x64/0xe8 [ 52.992446][ T4662] kmem_cache_alloc+0x94/0x3d4 [ 52.993304][ T4662] btrfs_alloc_path+0x5c/0x68 [ 52.994153][ T4662] __btrfs_unlink_inode+0x1dc/0xaec [ 52.995002][ T4662] btrfs_rename2+0x1bf8/0x307c [ 52.995816][ T4662] vfs_rename+0x95c/0xde0 [ 52.996544][ T4662] do_renameat2+0x774/0xcfc [ 52.997288][ T4662] __arm64_sys_renameat2+0xe0/0xfc [ 52.998099][ T4662] invoke_syscall+0x98/0x2b0 [ 52.998828][ T4662] el0_svc_common+0x138/0x258 [ 52.999532][ T4662] do_el0_svc+0x58/0x13c [ 53.000201][ T4662] el0_svc+0x78/0x1d0 [ 53.000880][ T4662] el0t_64_sync_handler+0xcc/0xe4 [ 53.001663][ T4662] el0t_64_sync+0x1a0/0x1a4 [ 53.005586][ T4662] ------------[ cut here ]------------ [ 53.006604][ T4662] WARNING: CPU: 0 PID: 4662 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 53.008095][ T4662] Modules linked in: [ 53.008733][ T4662] CPU: 0 PID: 4662 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.010303][ T4662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.012024][ T4662] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.013256][ T4662] pc : btrfs_rename2+0x26a8/0x307c [ 53.014117][ T4662] lr : btrfs_rename2+0x26a8/0x307c [ 53.015003][ T4662] sp : ffff80001f6b7870 [ 53.015713][ T4662] x29: ffff80001f6b7980 x28: ffff0000dd0bb078 x27: 0000000000000000 [ 53.017024][ T4662] x26: dfff800000000000 x25: ffff0000e20a35d0 x24: ffff0000d7f7c000 [ 53.018274][ T4662] x23: ffff0000e20a3110 x22: ffff80001431fcc0 x21: 1fffe0001ba74063 [ 53.019595][ T4662] x20: ffff0000dd3a0318 x19: 00000000fffffff4 x18: 0000000000000001 [ 53.020957][ T4662] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 53.022342][ T4662] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 53.023757][ T4662] x11: 0000000000000000 x10: 0000000000000000 x9 : 261460d7e2782000 [ 53.025190][ T4662] x8 : 261460d7e2782000 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.026603][ T4662] x5 : ffff80001f6b7178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 53.027880][ T4662] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.029334][ T4662] Call trace: [ 53.029892][ T4662] btrfs_rename2+0x26a8/0x307c [ 53.030760][ T4662] vfs_rename+0x95c/0xde0 [ 53.031487][ T4662] do_renameat2+0x774/0xcfc [ 53.032300][ T4662] __arm64_sys_renameat2+0xe0/0xfc [ 53.033218][ T4662] invoke_syscall+0x98/0x2b0 [ 53.034014][ T4662] el0_svc_common+0x138/0x258 [ 53.034806][ T4662] do_el0_svc+0x58/0x13c [ 53.035584][ T4662] el0_svc+0x78/0x1d0 [ 53.036215][ T4662] el0t_64_sync_handler+0xcc/0xe4 [ 53.037116][ T4662] el0t_64_sync+0x1a0/0x1a4 [ 53.037890][ T4662] irq event stamp: 80716 [ 53.038593][ T4662] hardirqs last enabled at (80715): [] __up_console_sem+0xb4/0xfc [ 53.040183][ T4662] hardirqs last disabled at (80716): [] el1_dbg+0x24/0x80 [ 53.041698][ T4662] softirqs last enabled at (80696): [] handle_softirqs+0xa40/0xbe4 [ 53.043318][ T4662] softirqs last disabled at (80587): [] __irq_exit_rcu+0x240/0x43c [ 53.045008][ T4662] ---[ end trace 81b4ab06da20f8a8 ]--- [ 53.047205][ T4662] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 53.048678][ T4662] BTRFS info (device loop0): forced readonly [ 53.227994][ T4683] loop0: detected capacity change from 0 to 32768 [ 53.231846][ T4683] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4683) [ 53.238006][ T4683] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.239743][ T4683] BTRFS info (device loop0): using free space tree [ 53.241104][ T4683] BTRFS info (device loop0): has skinny extents [ 53.253617][ T4683] BTRFS info (device loop0): enabling ssd optimizations [ 53.259616][ T4683] FAULT_INJECTION: forcing a failure. [ 53.259616][ T4683] name failslab, interval 1, probability 0, space 0, times 0 [ 53.262683][ T4683] CPU: 1 PID: 4683 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.264226][ T4683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.265928][ T4683] Call trace: [ 53.266434][ T4683] dump_backtrace+0x0/0x458 [ 53.267170][ T4683] show_stack+0x2c/0x3c [ 53.267895][ T4683] __dump_stack+0x30/0x40 [ 53.268666][ T4683] dump_stack_lvl+0xf4/0x15c [ 53.269483][ T4683] dump_stack+0x1c/0x5c [ 53.270229][ T4683] should_fail+0x3bc/0x514 [ 53.270974][ T4683] __should_failslab+0xbc/0x10c [ 53.271833][ T4683] should_failslab+0x10/0x28 [ 53.272614][ T4683] slab_pre_alloc_hook+0x64/0xe8 [ 53.273483][ T4683] kmem_cache_alloc+0x94/0x3d4 [ 53.274256][ T4683] start_transaction+0x4d0/0x13ec [ 53.275112][ T4683] btrfs_start_transaction+0x34/0x44 [ 53.276063][ T4683] btrfs_rename2+0x15d8/0x307c [ 53.276856][ T4683] vfs_rename+0x95c/0xde0 [ 53.277632][ T4683] do_renameat2+0x774/0xcfc [ 53.278357][ T4683] __arm64_sys_renameat2+0xe0/0xfc [ 53.279213][ T4683] invoke_syscall+0x98/0x2b0 [ 53.279946][ T4683] el0_svc_common+0x138/0x258 [ 53.280704][ T4683] do_el0_svc+0x58/0x13c [ 53.281462][ T4683] el0_svc+0x78/0x1d0 [ 53.282132][ T4683] el0t_64_sync_handler+0xcc/0xe4 [ 53.283018][ T4683] el0t_64_sync+0x1a0/0x1a4 [ 53.460268][ T4704] loop0: detected capacity change from 0 to 32768 [ 53.463102][ T4704] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4704) [ 53.467347][ T4704] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.469155][ T4704] BTRFS info (device loop0): using free space tree [ 53.470313][ T4704] BTRFS info (device loop0): has skinny extents [ 53.479037][ T4704] BTRFS info (device loop0): enabling ssd optimizations [ 53.485909][ T4704] FAULT_INJECTION: forcing a failure. [ 53.485909][ T4704] name failslab, interval 1, probability 0, space 0, times 0 [ 53.488236][ T4704] CPU: 0 PID: 4704 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.489797][ T4704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.491491][ T4704] Call trace: [ 53.492071][ T4704] dump_backtrace+0x0/0x458 [ 53.492762][ T4704] show_stack+0x2c/0x3c [ 53.493519][ T4704] __dump_stack+0x30/0x40 [ 53.494283][ T4704] dump_stack_lvl+0xf4/0x15c [ 53.495083][ T4704] dump_stack+0x1c/0x5c [ 53.495870][ T4704] should_fail+0x3bc/0x514 [ 53.496664][ T4704] __should_failslab+0xbc/0x10c [ 53.497491][ T4704] should_failslab+0x10/0x28 [ 53.498297][ T4704] slab_pre_alloc_hook+0x64/0xe8 [ 53.499153][ T4704] kmem_cache_alloc+0x94/0x3d4 [ 53.499948][ T4704] start_transaction+0x4d0/0x13ec [ 53.500794][ T4704] btrfs_start_transaction+0x34/0x44 [ 53.501766][ T4704] btrfs_rename2+0x15d8/0x307c [ 53.502634][ T4704] vfs_rename+0x95c/0xde0 [ 53.503393][ T4704] do_renameat2+0x774/0xcfc [ 53.504130][ T4704] __arm64_sys_renameat2+0xe0/0xfc [ 53.505009][ T4704] invoke_syscall+0x98/0x2b0 [ 53.505796][ T4704] el0_svc_common+0x138/0x258 [ 53.506637][ T4704] do_el0_svc+0x58/0x13c [ 53.507408][ T4704] el0_svc+0x78/0x1d0 [ 53.508108][ T4704] el0t_64_sync_handler+0xcc/0xe4 [ 53.508977][ T4704] el0t_64_sync+0x1a0/0x1a4 [ 53.690512][ T4727] loop0: detected capacity change from 0 to 32768 [ 53.693893][ T4727] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4727) [ 53.699117][ T4727] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.701260][ T4727] BTRFS info (device loop0): using free space tree [ 53.702289][ T4727] BTRFS info (device loop0): has skinny extents [ 53.717916][ T4727] BTRFS info (device loop0): enabling ssd optimizations [ 53.724006][ T4727] FAULT_INJECTION: forcing a failure. [ 53.724006][ T4727] name failslab, interval 1, probability 0, space 0, times 0 [ 53.726264][ T4727] CPU: 1 PID: 4727 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.727806][ T4727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.729531][ T4727] Call trace: [ 53.730037][ T4727] dump_backtrace+0x0/0x458 [ 53.730819][ T4727] show_stack+0x2c/0x3c [ 53.731595][ T4727] __dump_stack+0x30/0x40 [ 53.732344][ T4727] dump_stack_lvl+0xf4/0x15c [ 53.733143][ T4727] dump_stack+0x1c/0x5c [ 53.733854][ T4727] should_fail+0x3bc/0x514 [ 53.734552][ T4727] __should_failslab+0xbc/0x10c [ 53.735402][ T4727] should_failslab+0x10/0x28 [ 53.736124][ T4727] slab_pre_alloc_hook+0x64/0xe8 [ 53.736965][ T4727] kmem_cache_alloc+0x94/0x3d4 [ 53.737786][ T4727] start_transaction+0x4d0/0x13ec [ 53.738704][ T4727] btrfs_start_transaction+0x34/0x44 [ 53.739631][ T4727] btrfs_rename2+0x15d8/0x307c [ 53.740451][ T4727] vfs_rename+0x95c/0xde0 [ 53.741200][ T4727] do_renameat2+0x774/0xcfc [ 53.741987][ T4727] __arm64_sys_renameat2+0xe0/0xfc [ 53.742867][ T4727] invoke_syscall+0x98/0x2b0 [ 53.743650][ T4727] el0_svc_common+0x138/0x258 [ 53.744460][ T4727] do_el0_svc+0x58/0x13c [ 53.745202][ T4727] el0_svc+0x78/0x1d0 [ 53.745863][ T4727] el0t_64_sync_handler+0xcc/0xe4 [ 53.746748][ T4727] el0t_64_sync+0x1a0/0x1a4 [ 53.939627][ T4749] loop0: detected capacity change from 0 to 32768 [ 53.943269][ T4749] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4749) [ 53.948442][ T4749] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.950252][ T4749] BTRFS info (device loop0): using free space tree [ 53.951775][ T4749] BTRFS info (device loop0): has skinny extents [ 53.963221][ T4749] BTRFS info (device loop0): enabling ssd optimizations [ 53.970056][ T4749] FAULT_INJECTION: forcing a failure. [ 53.970056][ T4749] name failslab, interval 1, probability 0, space 0, times 0 [ 53.972637][ T4749] CPU: 0 PID: 4749 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.974171][ T4749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 53.975919][ T4749] Call trace: [ 53.976451][ T4749] dump_backtrace+0x0/0x458 [ 53.977221][ T4749] show_stack+0x2c/0x3c [ 53.977956][ T4749] __dump_stack+0x30/0x40 [ 53.978667][ T4749] dump_stack_lvl+0xf4/0x15c [ 53.979402][ T4749] dump_stack+0x1c/0x5c [ 53.980080][ T4749] should_fail+0x3bc/0x514 [ 53.980814][ T4749] __should_failslab+0xbc/0x10c [ 53.981634][ T4749] should_failslab+0x10/0x28 [ 53.982437][ T4749] slab_pre_alloc_hook+0x64/0xe8 [ 53.983292][ T4749] kmem_cache_alloc+0x94/0x3d4 [ 53.984152][ T4749] start_transaction+0x4d0/0x13ec [ 53.985068][ T4749] btrfs_start_transaction+0x34/0x44 [ 53.986024][ T4749] btrfs_rename2+0x15d8/0x307c [ 53.986880][ T4749] vfs_rename+0x95c/0xde0 [ 53.987650][ T4749] do_renameat2+0x774/0xcfc [ 53.988445][ T4749] __arm64_sys_renameat2+0xe0/0xfc [ 53.989323][ T4749] invoke_syscall+0x98/0x2b0 [ 53.990017][ T4749] el0_svc_common+0x138/0x258 [ 53.990717][ T4749] do_el0_svc+0x58/0x13c [ 53.991444][ T4749] el0_svc+0x78/0x1d0 [ 53.992145][ T4749] el0t_64_sync_handler+0xcc/0xe4 [ 53.993047][ T4749] el0t_64_sync+0x1a0/0x1a4 [ 54.013519][ T4566] Bluetooth: hci0: command 0x041b tx timeout [ 54.193081][ T4770] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4770) [ 54.198925][ T4770] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.201544][ T4770] BTRFS info (device loop0): using free space tree [ 54.202815][ T4770] BTRFS info (device loop0): has skinny extents [ 54.212479][ T4770] BTRFS info (device loop0): enabling ssd optimizations [ 54.217930][ T4770] FAULT_INJECTION: forcing a failure. [ 54.217930][ T4770] name failslab, interval 1, probability 0, space 0, times 0 [ 54.220288][ T4770] CPU: 1 PID: 4770 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.221816][ T4770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.223507][ T4770] Call trace: [ 54.224100][ T4770] dump_backtrace+0x0/0x458 [ 54.224813][ T4770] show_stack+0x2c/0x3c [ 54.225527][ T4770] __dump_stack+0x30/0x40 [ 54.226257][ T4770] dump_stack_lvl+0xf4/0x15c [ 54.227075][ T4770] dump_stack+0x1c/0x5c [ 54.227838][ T4770] should_fail+0x3bc/0x514 [ 54.228668][ T4770] __should_failslab+0xbc/0x10c [ 54.229431][ T4770] should_failslab+0x10/0x28 [ 54.230213][ T4770] slab_pre_alloc_hook+0x64/0xe8 [ 54.231121][ T4770] kmem_cache_alloc+0x94/0x3d4 [ 54.231903][ T4770] btrfs_alloc_path+0x5c/0x68 [ 54.232727][ T4770] __btrfs_unlink_inode+0x1dc/0xaec [ 54.233648][ T4770] btrfs_rename2+0x1bf8/0x307c [ 54.234485][ T4770] vfs_rename+0x95c/0xde0 [ 54.235255][ T4770] do_renameat2+0x774/0xcfc [ 54.236056][ T4770] __arm64_sys_renameat2+0xe0/0xfc [ 54.236954][ T4770] invoke_syscall+0x98/0x2b0 [ 54.237768][ T4770] el0_svc_common+0x138/0x258 [ 54.238582][ T4770] do_el0_svc+0x58/0x13c [ 54.239311][ T4770] el0_svc+0x78/0x1d0 [ 54.240027][ T4770] el0t_64_sync_handler+0xcc/0xe4 [ 54.240848][ T4770] el0t_64_sync+0x1a0/0x1a4 [ 54.243267][ T4770] ------------[ cut here ]------------ [ 54.244224][ T4770] WARNING: CPU: 1 PID: 4770 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 54.245764][ T4770] Modules linked in: [ 54.246508][ T4770] CPU: 1 PID: 4770 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.248192][ T4770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.250096][ T4770] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.251435][ T4770] pc : btrfs_rename2+0x26a8/0x307c [ 54.252326][ T4770] lr : btrfs_rename2+0x26a8/0x307c [ 54.253152][ T4770] sp : ffff8000202d7870 [ 54.253947][ T4770] x29: ffff8000202d7980 x28: ffff0000dd0fd078 x27: 0000000000000000 [ 54.255244][ T4770] x26: dfff800000000000 x25: ffff0000def470b0 x24: ffff0000d800e000 [ 54.256667][ T4770] x23: ffff0000def46bf0 x22: ffff80001431fcc0 x21: 1fffe0001985de63 [ 54.258108][ T4770] x20: ffff0000cc2ef318 x19: 00000000fffffff4 x18: 0000000000000001 [ 54.259551][ T4770] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 54.261019][ T4770] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 54.262396][ T4770] x11: 0000000000000000 x10: 0000000000000000 x9 : db525d949d6d3000 [ 54.263747][ T4770] x8 : db525d949d6d3000 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.265151][ T4770] x5 : ffff8000202d7178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 54.266498][ T4770] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.268044][ T4770] Call trace: [ 54.268648][ T4770] btrfs_rename2+0x26a8/0x307c [ 54.269450][ T4770] vfs_rename+0x95c/0xde0 [ 54.270139][ T4770] do_renameat2+0x774/0xcfc [ 54.270914][ T4770] __arm64_sys_renameat2+0xe0/0xfc [ 54.271718][ T4770] invoke_syscall+0x98/0x2b0 [ 54.272450][ T4770] el0_svc_common+0x138/0x258 [ 54.273281][ T4770] do_el0_svc+0x58/0x13c [ 54.274039][ T4770] el0_svc+0x78/0x1d0 [ 54.274785][ T4770] el0t_64_sync_handler+0xcc/0xe4 [ 54.275663][ T4770] el0t_64_sync+0x1a0/0x1a4 [ 54.276530][ T4770] irq event stamp: 80352 [ 54.277227][ T4770] hardirqs last enabled at (80351): [] __up_console_sem+0xb4/0xfc [ 54.278765][ T4770] hardirqs last disabled at (80352): [] el1_dbg+0x24/0x80 [ 54.280433][ T4770] softirqs last enabled at (80332): [] handle_softirqs+0xa40/0xbe4 [ 54.282026][ T4770] softirqs last disabled at (80315): [] __irq_exit_rcu+0x240/0x43c [ 54.283621][ T4770] ---[ end trace 81b4ab06da20f8a9 ]--- [ 54.286498][ T4770] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 54.287908][ T4770] BTRFS info (device loop0): forced readonly [ 54.462840][ T4791] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4791) [ 54.467368][ T4791] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.468895][ T4791] BTRFS info (device loop0): using free space tree [ 54.470004][ T4791] BTRFS info (device loop0): has skinny extents [ 54.483532][ T4791] BTRFS info (device loop0): enabling ssd optimizations [ 54.490334][ T4791] FAULT_INJECTION: forcing a failure. [ 54.490334][ T4791] name failslab, interval 1, probability 0, space 0, times 0 [ 54.492910][ T4791] CPU: 0 PID: 4791 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.494507][ T4791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.496206][ T4791] Call trace: [ 54.496775][ T4791] dump_backtrace+0x0/0x458 [ 54.497582][ T4791] show_stack+0x2c/0x3c [ 54.498253][ T4791] __dump_stack+0x30/0x40 [ 54.499006][ T4791] dump_stack_lvl+0xf4/0x15c [ 54.499776][ T4791] dump_stack+0x1c/0x5c [ 54.500504][ T4791] should_fail+0x3bc/0x514 [ 54.501273][ T4791] __should_failslab+0xbc/0x10c [ 54.502246][ T4791] should_failslab+0x10/0x28 [ 54.503050][ T4791] slab_pre_alloc_hook+0x64/0xe8 [ 54.503954][ T4791] kmem_cache_alloc+0x94/0x3d4 [ 54.504887][ T4791] btrfs_alloc_path+0x5c/0x68 [ 54.505695][ T4791] __btrfs_unlink_inode+0x1dc/0xaec [ 54.506631][ T4791] btrfs_rename2+0x1bf8/0x307c [ 54.507476][ T4791] vfs_rename+0x95c/0xde0 [ 54.508197][ T4791] do_renameat2+0x774/0xcfc [ 54.508929][ T4791] __arm64_sys_renameat2+0xe0/0xfc [ 54.509798][ T4791] invoke_syscall+0x98/0x2b0 [ 54.510583][ T4791] el0_svc_common+0x138/0x258 [ 54.511387][ T4791] do_el0_svc+0x58/0x13c [ 54.512145][ T4791] el0_svc+0x78/0x1d0 [ 54.512849][ T4791] el0t_64_sync_handler+0xcc/0xe4 [ 54.513773][ T4791] el0t_64_sync+0x1a0/0x1a4 [ 54.515348][ T4791] ------------[ cut here ]------------ [ 54.516360][ T4791] WARNING: CPU: 0 PID: 4791 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 54.517987][ T4791] Modules linked in: [ 54.518664][ T4791] CPU: 0 PID: 4791 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.520207][ T4791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.521980][ T4791] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.523406][ T4791] pc : btrfs_rename2+0x26a8/0x307c [ 54.524344][ T4791] lr : btrfs_rename2+0x26a8/0x307c [ 54.525236][ T4791] sp : ffff800020087870 [ 54.526002][ T4791] x29: ffff800020087980 x28: ffff0000dd22a630 x27: 0000000000000000 [ 54.527347][ T4791] x26: dfff800000000000 x25: ffff0000e215ac00 x24: ffff0000e428a000 [ 54.528752][ T4791] x23: ffff0000e215a740 x22: ffff80001431fcc0 x21: 1fffe0001ba74181 [ 54.530071][ T4791] x20: ffff0000dd3a0c08 x19: 00000000fffffff4 x18: 0000000000000001 [ 54.531442][ T4791] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 54.532739][ T4791] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 54.534169][ T4791] x11: 0000000000000000 x10: 0000000000000000 x9 : a087460eb727ac00 [ 54.535708][ T4791] x8 : a087460eb727ac00 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.537149][ T4791] x5 : ffff800020087178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 54.538455][ T4791] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.539840][ T4791] Call trace: [ 54.540419][ T4791] btrfs_rename2+0x26a8/0x307c [ 54.541219][ T4791] vfs_rename+0x95c/0xde0 [ 54.541963][ T4791] do_renameat2+0x774/0xcfc [ 54.542698][ T4791] __arm64_sys_renameat2+0xe0/0xfc [ 54.543579][ T4791] invoke_syscall+0x98/0x2b0 [ 54.544339][ T4791] el0_svc_common+0x138/0x258 [ 54.545115][ T4791] do_el0_svc+0x58/0x13c [ 54.545803][ T4791] el0_svc+0x78/0x1d0 [ 54.546445][ T4791] el0t_64_sync_handler+0xcc/0xe4 [ 54.547304][ T4791] el0t_64_sync+0x1a0/0x1a4 [ 54.548017][ T4791] irq event stamp: 80306 [ 54.548689][ T4791] hardirqs last enabled at (80305): [] __up_console_sem+0xb4/0xfc [ 54.550259][ T4791] hardirqs last disabled at (80306): [] el1_dbg+0x24/0x80 [ 54.551779][ T4791] softirqs last enabled at (80286): [] handle_softirqs+0xa40/0xbe4 [ 54.553584][ T4791] softirqs last disabled at (80267): [] __irq_exit_rcu+0x240/0x43c [ 54.555120][ T4791] ---[ end trace 81b4ab06da20f8aa ]--- [ 54.556901][ T4791] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 54.558281][ T4791] BTRFS info (device loop0): forced readonly [ 54.756502][ T4812] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4812) [ 54.760500][ T4812] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.762837][ T4812] BTRFS info (device loop0): using free space tree [ 54.764055][ T4812] BTRFS info (device loop0): has skinny extents [ 54.776719][ T4812] BTRFS info (device loop0): enabling ssd optimizations [ 54.783875][ T4812] FAULT_INJECTION: forcing a failure. [ 54.783875][ T4812] name failslab, interval 1, probability 0, space 0, times 0 [ 54.786153][ T4812] CPU: 0 PID: 4812 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.787482][ T4812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.789007][ T4812] Call trace: [ 54.789513][ T4812] dump_backtrace+0x0/0x458 [ 54.790216][ T4812] show_stack+0x2c/0x3c [ 54.790818][ T4812] __dump_stack+0x30/0x40 [ 54.791452][ T4812] dump_stack_lvl+0xf4/0x15c [ 54.792190][ T4812] dump_stack+0x1c/0x5c [ 54.792865][ T4812] should_fail+0x3bc/0x514 [ 54.793660][ T4812] __should_failslab+0xbc/0x10c [ 54.794508][ T4812] should_failslab+0x10/0x28 [ 54.795262][ T4812] slab_pre_alloc_hook+0x64/0xe8 [ 54.796182][ T4812] kmem_cache_alloc+0x94/0x3d4 [ 54.796986][ T4812] btrfs_alloc_path+0x5c/0x68 [ 54.797797][ T4812] __btrfs_unlink_inode+0x1dc/0xaec [ 54.798659][ T4812] btrfs_rename2+0x1bf8/0x307c [ 54.799482][ T4812] vfs_rename+0x95c/0xde0 [ 54.800217][ T4812] do_renameat2+0x774/0xcfc [ 54.800971][ T4812] __arm64_sys_renameat2+0xe0/0xfc [ 54.801878][ T4812] invoke_syscall+0x98/0x2b0 [ 54.802695][ T4812] el0_svc_common+0x138/0x258 [ 54.803491][ T4812] do_el0_svc+0x58/0x13c [ 54.804240][ T4812] el0_svc+0x78/0x1d0 [ 54.804925][ T4812] el0t_64_sync_handler+0xcc/0xe4 [ 54.805800][ T4812] el0t_64_sync+0x1a0/0x1a4 [ 54.808832][ T4812] ------------[ cut here ]------------ [ 54.809827][ T4812] WARNING: CPU: 0 PID: 4812 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 54.811341][ T4812] Modules linked in: [ 54.812014][ T4812] CPU: 0 PID: 4812 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.813486][ T4812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 54.815213][ T4812] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.816494][ T4812] pc : btrfs_rename2+0x26a8/0x307c [ 54.817297][ T4812] lr : btrfs_rename2+0x26a8/0x307c [ 54.818108][ T4812] sp : ffff800020657870 [ 54.818803][ T4812] x29: ffff800020657980 x28: ffff0000dd335c38 x27: 0000000000000000 [ 54.820215][ T4812] x26: dfff800000000000 x25: ffff0000e215d340 x24: ffff0000d8786000 [ 54.821518][ T4812] x23: ffff0000e215ce80 x22: ffff80001431fcc0 x21: 1fffe0001ba741c3 [ 54.822987][ T4812] x20: ffff0000dd3a0e18 x19: 00000000fffffff4 x18: 0000000000000001 [ 54.824439][ T4812] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 54.825835][ T4812] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 54.827238][ T4812] x11: 0000000000000000 x10: 0000000000000000 x9 : 751f8cffca8d2d00 [ 54.828741][ T4812] x8 : 751f8cffca8d2d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.830170][ T4812] x5 : ffff800020657178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 54.831610][ T4812] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.833048][ T4812] Call trace: [ 54.833612][ T4812] btrfs_rename2+0x26a8/0x307c [ 54.834435][ T4812] vfs_rename+0x95c/0xde0 [ 54.835202][ T4812] do_renameat2+0x774/0xcfc [ 54.835987][ T4812] __arm64_sys_renameat2+0xe0/0xfc [ 54.836812][ T4812] invoke_syscall+0x98/0x2b0 [ 54.837582][ T4812] el0_svc_common+0x138/0x258 [ 54.838310][ T4812] do_el0_svc+0x58/0x13c [ 54.839055][ T4812] el0_svc+0x78/0x1d0 [ 54.839741][ T4812] el0t_64_sync_handler+0xcc/0xe4 [ 54.840629][ T4812] el0t_64_sync+0x1a0/0x1a4 [ 54.841380][ T4812] irq event stamp: 80888 [ 54.842126][ T4812] hardirqs last enabled at (80887): [] __up_console_sem+0xb4/0xfc [ 54.843819][ T4812] hardirqs last disabled at (80888): [] el1_dbg+0x24/0x80 [ 54.845314][ T4812] softirqs last enabled at (80868): [] handle_softirqs+0xa40/0xbe4 [ 54.847098][ T4812] softirqs last disabled at (80739): [] __irq_exit_rcu+0x240/0x43c [ 54.848766][ T4812] ---[ end trace 81b4ab06da20f8ab ]--- [ 54.851308][ T4812] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 54.852984][ T4812] BTRFS info (device loop0): forced readonly 1970/01/01 00:00:54 executed programs: 13 [ 55.043179][ T4833] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4833) [ 55.047331][ T4833] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.049330][ T4833] BTRFS info (device loop0): using free space tree [ 55.050543][ T4833] BTRFS info (device loop0): has skinny extents [ 55.068844][ T4833] BTRFS info (device loop0): enabling ssd optimizations [ 55.074855][ T4833] FAULT_INJECTION: forcing a failure. [ 55.074855][ T4833] name failslab, interval 1, probability 0, space 0, times 0 [ 55.077146][ T4833] CPU: 0 PID: 4833 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.078616][ T4833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.080406][ T4833] Call trace: [ 55.081002][ T4833] dump_backtrace+0x0/0x458 [ 55.081824][ T4833] show_stack+0x2c/0x3c [ 55.082573][ T4833] __dump_stack+0x30/0x40 [ 55.083398][ T4833] dump_stack_lvl+0xf4/0x15c [ 55.084212][ T4833] dump_stack+0x1c/0x5c [ 55.084922][ T4833] should_fail+0x3bc/0x514 [ 55.085716][ T4833] __should_failslab+0xbc/0x10c [ 55.086498][ T4833] should_failslab+0x10/0x28 [ 55.087289][ T4833] slab_pre_alloc_hook+0x64/0xe8 [ 55.088147][ T4833] kmem_cache_alloc+0x94/0x3d4 [ 55.088980][ T4833] btrfs_alloc_path+0x5c/0x68 [ 55.089825][ T4833] btrfs_insert_inode_ref+0xf0/0xa2c [ 55.090703][ T4833] btrfs_rename2+0x1978/0x307c [ 55.091562][ T4833] vfs_rename+0x95c/0xde0 [ 55.092348][ T4833] do_renameat2+0x774/0xcfc [ 55.093072][ T4833] __arm64_sys_renameat2+0xe0/0xfc [ 55.093973][ T4833] invoke_syscall+0x98/0x2b0 [ 55.094841][ T4833] el0_svc_common+0x138/0x258 [ 55.095599][ T4833] do_el0_svc+0x58/0x13c [ 55.096262][ T4833] el0_svc+0x78/0x1d0 [ 55.096914][ T4833] el0t_64_sync_handler+0xcc/0xe4 [ 55.097799][ T4833] el0t_64_sync+0x1a0/0x1a4 [ 55.297819][ T4854] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4854) [ 55.302755][ T4854] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.304414][ T4854] BTRFS info (device loop0): using free space tree [ 55.305648][ T4854] BTRFS info (device loop0): has skinny extents [ 55.314726][ T4854] BTRFS info (device loop0): enabling ssd optimizations [ 55.320498][ T4854] FAULT_INJECTION: forcing a failure. [ 55.320498][ T4854] name failslab, interval 1, probability 0, space 0, times 0 [ 55.323334][ T4854] CPU: 0 PID: 4854 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.324908][ T4854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.326803][ T4854] Call trace: [ 55.327400][ T4854] dump_backtrace+0x0/0x458 [ 55.328146][ T4854] show_stack+0x2c/0x3c [ 55.328784][ T4854] __dump_stack+0x30/0x40 [ 55.329525][ T4854] dump_stack_lvl+0xf4/0x15c [ 55.330340][ T4854] dump_stack+0x1c/0x5c [ 55.331039][ T4854] should_fail+0x3bc/0x514 [ 55.331800][ T4854] __should_failslab+0xbc/0x10c [ 55.332605][ T4854] should_failslab+0x10/0x28 [ 55.333352][ T4854] slab_pre_alloc_hook+0x64/0xe8 [ 55.334122][ T4854] kmem_cache_alloc+0x94/0x3d4 [ 55.334981][ T4854] btrfs_alloc_path+0x5c/0x68 [ 55.335753][ T4854] __btrfs_unlink_inode+0x1dc/0xaec [ 55.336629][ T4854] btrfs_rename2+0x1bf8/0x307c [ 55.337420][ T4854] vfs_rename+0x95c/0xde0 [ 55.338141][ T4854] do_renameat2+0x774/0xcfc [ 55.338945][ T4854] __arm64_sys_renameat2+0xe0/0xfc [ 55.339817][ T4854] invoke_syscall+0x98/0x2b0 [ 55.340608][ T4854] el0_svc_common+0x138/0x258 [ 55.341407][ T4854] do_el0_svc+0x58/0x13c [ 55.342109][ T4854] el0_svc+0x78/0x1d0 [ 55.342798][ T4854] el0t_64_sync_handler+0xcc/0xe4 [ 55.343628][ T4854] el0t_64_sync+0x1a0/0x1a4 [ 55.345361][ T4854] ------------[ cut here ]------------ [ 55.346470][ T4854] WARNING: CPU: 0 PID: 4854 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 55.348005][ T4854] Modules linked in: [ 55.348661][ T4854] CPU: 0 PID: 4854 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.350138][ T4854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.351867][ T4854] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.353276][ T4854] pc : btrfs_rename2+0x26a8/0x307c [ 55.354212][ T4854] lr : btrfs_rename2+0x26a8/0x307c [ 55.355163][ T4854] sp : ffff800020b77870 [ 55.355923][ T4854] x29: ffff800020b77980 x28: ffff0000e20cbc38 x27: 0000000000000000 [ 55.357298][ T4854] x26: dfff800000000000 x25: ffff0000e2011860 x24: ffff0000c146a000 [ 55.358680][ T4854] x23: ffff0000e20113a0 x22: ffff80001431fcc0 x21: 1fffe0001ba61879 [ 55.360003][ T4854] x20: ffff0000dd30c3c8 x19: 00000000fffffff4 x18: 0000000000000001 [ 55.361453][ T4854] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 55.362798][ T4854] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 55.364195][ T4854] x11: 0000000000000000 x10: 0000000000000000 x9 : d6cdbcb9a9ee9c00 [ 55.365623][ T4854] x8 : d6cdbcb9a9ee9c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.367067][ T4854] x5 : ffff800020b77178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 55.368437][ T4854] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.369850][ T4854] Call trace: [ 55.370397][ T4854] btrfs_rename2+0x26a8/0x307c [ 55.371322][ T4854] vfs_rename+0x95c/0xde0 [ 55.372102][ T4854] do_renameat2+0x774/0xcfc [ 55.372928][ T4854] __arm64_sys_renameat2+0xe0/0xfc [ 55.373824][ T4854] invoke_syscall+0x98/0x2b0 [ 55.374630][ T4854] el0_svc_common+0x138/0x258 [ 55.375447][ T4854] do_el0_svc+0x58/0x13c [ 55.376178][ T4854] el0_svc+0x78/0x1d0 [ 55.376845][ T4854] el0t_64_sync_handler+0xcc/0xe4 [ 55.377724][ T4854] el0t_64_sync+0x1a0/0x1a4 [ 55.378493][ T4854] irq event stamp: 80906 [ 55.379216][ T4854] hardirqs last enabled at (80905): [] __up_console_sem+0xb4/0xfc [ 55.380871][ T4854] hardirqs last disabled at (80906): [] el1_dbg+0x24/0x80 [ 55.382458][ T4854] softirqs last enabled at (80886): [] handle_softirqs+0xa40/0xbe4 [ 55.384189][ T4854] softirqs last disabled at (80755): [] __irq_exit_rcu+0x240/0x43c [ 55.385929][ T4854] ---[ end trace 81b4ab06da20f8ac ]--- [ 55.387982][ T4854] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 55.389434][ T4854] BTRFS info (device loop0): forced readonly [ 55.583165][ T4875] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4875) [ 55.588418][ T4875] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.590226][ T4875] BTRFS info (device loop0): using free space tree [ 55.591917][ T4875] BTRFS info (device loop0): has skinny extents [ 55.603883][ T4875] BTRFS info (device loop0): enabling ssd optimizations [ 55.609319][ T4875] FAULT_INJECTION: forcing a failure. [ 55.609319][ T4875] name failslab, interval 1, probability 0, space 0, times 0 [ 55.611706][ T4875] CPU: 0 PID: 4875 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.613237][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.615020][ T4875] Call trace: [ 55.615575][ T4875] dump_backtrace+0x0/0x458 [ 55.616338][ T4875] show_stack+0x2c/0x3c [ 55.616991][ T4875] __dump_stack+0x30/0x40 [ 55.617693][ T4875] dump_stack_lvl+0xf4/0x15c [ 55.618452][ T4875] dump_stack+0x1c/0x5c [ 55.619168][ T4875] should_fail+0x3bc/0x514 [ 55.619906][ T4875] __should_failslab+0xbc/0x10c [ 55.620722][ T4875] should_failslab+0x10/0x28 [ 55.621483][ T4875] slab_pre_alloc_hook+0x64/0xe8 [ 55.622363][ T4875] kmem_cache_alloc+0x94/0x3d4 [ 55.623201][ T4875] btrfs_alloc_path+0x5c/0x68 [ 55.623985][ T4875] __btrfs_unlink_inode+0x1dc/0xaec [ 55.624859][ T4875] btrfs_rename2+0x1bf8/0x307c [ 55.625754][ T4875] vfs_rename+0x95c/0xde0 [ 55.626444][ T4875] do_renameat2+0x774/0xcfc [ 55.627207][ T4875] __arm64_sys_renameat2+0xe0/0xfc [ 55.628080][ T4875] invoke_syscall+0x98/0x2b0 [ 55.628869][ T4875] el0_svc_common+0x138/0x258 [ 55.629673][ T4875] do_el0_svc+0x58/0x13c [ 55.630421][ T4875] el0_svc+0x78/0x1d0 [ 55.631122][ T4875] el0t_64_sync_handler+0xcc/0xe4 [ 55.632006][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 55.633582][ T4875] ------------[ cut here ]------------ [ 55.634618][ T4875] WARNING: CPU: 0 PID: 4875 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 55.636142][ T4875] Modules linked in: [ 55.636870][ T4875] CPU: 0 PID: 4875 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.638412][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.640080][ T4875] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.641424][ T4875] pc : btrfs_rename2+0x26a8/0x307c [ 55.642290][ T4875] lr : btrfs_rename2+0x26a8/0x307c [ 55.643131][ T4875] sp : ffff800020b77870 [ 55.643816][ T4875] x29: ffff800020b77980 x28: ffff0000cc2cef00 x27: 0000000000000000 [ 55.645222][ T4875] x26: dfff800000000000 x25: ffff0000dd352c00 x24: ffff0000c1cd6000 [ 55.646685][ T4875] x23: ffff0000dd352740 x22: ffff80001431fcc0 x21: 1fffe0001ba618a5 [ 55.648164][ T4875] x20: ffff0000dd30c528 x19: 00000000fffffff4 x18: 0000000000000001 [ 55.649537][ T4875] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 55.650938][ T4875] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 55.652374][ T4875] x11: 0000000000000000 x10: 0000000000000000 x9 : c677347534e0ed00 [ 55.653745][ T4875] x8 : c677347534e0ed00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.655035][ T4875] x5 : ffff800020b77178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 55.656347][ T4875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.657738][ T4875] Call trace: [ 55.658300][ T4875] btrfs_rename2+0x26a8/0x307c [ 55.659168][ T4875] vfs_rename+0x95c/0xde0 [ 55.659921][ T4875] do_renameat2+0x774/0xcfc [ 55.660697][ T4875] __arm64_sys_renameat2+0xe0/0xfc [ 55.661668][ T4875] invoke_syscall+0x98/0x2b0 [ 55.662461][ T4875] el0_svc_common+0x138/0x258 [ 55.663273][ T4875] do_el0_svc+0x58/0x13c [ 55.663988][ T4875] el0_svc+0x78/0x1d0 [ 55.664728][ T4875] el0t_64_sync_handler+0xcc/0xe4 [ 55.665553][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 55.666247][ T4875] irq event stamp: 79626 [ 55.666976][ T4875] hardirqs last enabled at (79625): [] __up_console_sem+0xb4/0xfc [ 55.668581][ T4875] hardirqs last disabled at (79626): [] el1_dbg+0x24/0x80 [ 55.670154][ T4875] softirqs last enabled at (79606): [] handle_softirqs+0xa40/0xbe4 [ 55.671704][ T4875] softirqs last disabled at (79591): [] __irq_exit_rcu+0x240/0x43c [ 55.673302][ T4875] ---[ end trace 81b4ab06da20f8ad ]--- [ 55.675463][ T4875] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 55.676999][ T4875] BTRFS info (device loop0): forced readonly [ 55.859566][ T4896] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4896) [ 55.864841][ T4896] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.866590][ T4896] BTRFS info (device loop0): using free space tree [ 55.867696][ T4896] BTRFS info (device loop0): has skinny extents [ 55.876758][ T4896] BTRFS info (device loop0): enabling ssd optimizations [ 55.883532][ T4896] FAULT_INJECTION: forcing a failure. [ 55.883532][ T4896] name failslab, interval 1, probability 0, space 0, times 0 [ 55.885891][ T4896] CPU: 0 PID: 4896 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.887298][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 55.889025][ T4896] Call trace: [ 55.889561][ T4896] dump_backtrace+0x0/0x458 [ 55.890287][ T4896] show_stack+0x2c/0x3c [ 55.890975][ T4896] __dump_stack+0x30/0x40 [ 55.891734][ T4896] dump_stack_lvl+0xf4/0x15c [ 55.892499][ T4896] dump_stack+0x1c/0x5c [ 55.893245][ T4896] should_fail+0x3bc/0x514 [ 55.893961][ T4896] __should_failslab+0xbc/0x10c [ 55.894784][ T4896] should_failslab+0x10/0x28 [ 55.895608][ T4896] slab_pre_alloc_hook+0x64/0xe8 [ 55.896467][ T4896] kmem_cache_alloc+0x94/0x3d4 [ 55.897262][ T4896] start_transaction+0x4d0/0x13ec [ 55.898126][ T4896] btrfs_start_transaction+0x34/0x44 [ 55.898975][ T4896] btrfs_rename2+0x15d8/0x307c [ 55.899721][ T4896] vfs_rename+0x95c/0xde0 [ 55.900461][ T4896] do_renameat2+0x774/0xcfc [ 55.901128][ T4896] __arm64_sys_renameat2+0xe0/0xfc [ 55.901995][ T4896] invoke_syscall+0x98/0x2b0 [ 55.902720][ T4896] el0_svc_common+0x138/0x258 [ 55.903453][ T4896] do_el0_svc+0x58/0x13c [ 55.904227][ T4896] el0_svc+0x78/0x1d0 [ 55.904897][ T4896] el0t_64_sync_handler+0xcc/0xe4 [ 55.905788][ T4896] el0t_64_sync+0x1a0/0x1a4 [ 56.090774][ T4453] Bluetooth: hci0: command 0x040f tx timeout [ 56.110342][ T4917] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4917) [ 56.114668][ T4917] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.117004][ T4917] BTRFS info (device loop0): using free space tree [ 56.118074][ T4917] BTRFS info (device loop0): has skinny extents [ 56.130080][ T4917] BTRFS info (device loop0): enabling ssd optimizations [ 56.135631][ T4917] FAULT_INJECTION: forcing a failure. [ 56.135631][ T4917] name failslab, interval 1, probability 0, space 0, times 0 [ 56.137953][ T4917] CPU: 1 PID: 4917 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.139449][ T4917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.141193][ T4917] Call trace: [ 56.141747][ T4917] dump_backtrace+0x0/0x458 [ 56.142513][ T4917] show_stack+0x2c/0x3c [ 56.143172][ T4917] __dump_stack+0x30/0x40 [ 56.143841][ T4917] dump_stack_lvl+0xf4/0x15c [ 56.144545][ T4917] dump_stack+0x1c/0x5c [ 56.145180][ T4917] should_fail+0x3bc/0x514 [ 56.145848][ T4917] __should_failslab+0xbc/0x10c [ 56.146606][ T4917] should_failslab+0x10/0x28 [ 56.147299][ T4917] slab_pre_alloc_hook+0x64/0xe8 [ 56.148033][ T4917] kmem_cache_alloc+0x94/0x3d4 [ 56.148741][ T4917] btrfs_alloc_path+0x5c/0x68 [ 56.149433][ T4917] __btrfs_unlink_inode+0x1dc/0xaec [ 56.150302][ T4917] btrfs_rename2+0x1bf8/0x307c [ 56.151097][ T4917] vfs_rename+0x95c/0xde0 [ 56.151806][ T4917] do_renameat2+0x774/0xcfc [ 56.152583][ T4917] __arm64_sys_renameat2+0xe0/0xfc [ 56.153419][ T4917] invoke_syscall+0x98/0x2b0 [ 56.154188][ T4917] el0_svc_common+0x138/0x258 [ 56.154948][ T4917] do_el0_svc+0x58/0x13c [ 56.155639][ T4917] el0_svc+0x78/0x1d0 [ 56.156285][ T4917] el0t_64_sync_handler+0xcc/0xe4 [ 56.157124][ T4917] el0t_64_sync+0x1a0/0x1a4 [ 56.159898][ T4917] ------------[ cut here ]------------ [ 56.160897][ T4917] WARNING: CPU: 1 PID: 4917 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 56.162387][ T4917] Modules linked in: [ 56.163041][ T4917] CPU: 1 PID: 4917 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.164655][ T4917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.166423][ T4917] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.167838][ T4917] pc : btrfs_rename2+0x26a8/0x307c [ 56.168783][ T4917] lr : btrfs_rename2+0x26a8/0x307c [ 56.169631][ T4917] sp : ffff800020ed7870 [ 56.170340][ T4917] x29: ffff800020ed7980 x28: ffff0000deee8d88 x27: 0000000000000000 [ 56.171693][ T4917] x26: dfff800000000000 x25: ffff0000dd354970 x24: ffff0000de260000 [ 56.173091][ T4917] x23: ffff0000dd3544b0 x22: ffff80001431fcc0 x21: 1fffe0001985debb [ 56.174503][ T4917] x20: ffff0000cc2ef5d8 x19: 00000000fffffff4 x18: 0000000000000001 [ 56.175898][ T4917] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 56.177280][ T4917] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 56.178636][ T4917] x11: 0000000000000000 x10: 0000000000000000 x9 : 23becf0c24dece00 [ 56.180041][ T4917] x8 : 23becf0c24dece00 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.181394][ T4917] x5 : ffff800020ed7178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 56.182677][ T4917] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.183899][ T4917] Call trace: [ 56.184432][ T4917] btrfs_rename2+0x26a8/0x307c [ 56.185181][ T4917] vfs_rename+0x95c/0xde0 [ 56.185929][ T4917] do_renameat2+0x774/0xcfc [ 56.186638][ T4917] __arm64_sys_renameat2+0xe0/0xfc [ 56.187479][ T4917] invoke_syscall+0x98/0x2b0 [ 56.188243][ T4917] el0_svc_common+0x138/0x258 [ 56.189014][ T4917] do_el0_svc+0x58/0x13c [ 56.189686][ T4917] el0_svc+0x78/0x1d0 [ 56.190326][ T4917] el0t_64_sync_handler+0xcc/0xe4 [ 56.191123][ T4917] el0t_64_sync+0x1a0/0x1a4 [ 56.191853][ T4917] irq event stamp: 81560 [ 56.192546][ T4917] hardirqs last enabled at (81559): [] __up_console_sem+0xb4/0xfc [ 56.194152][ T4917] hardirqs last disabled at (81560): [] el1_dbg+0x24/0x80 [ 56.195608][ T4917] softirqs last enabled at (81550): [] handle_softirqs+0xa40/0xbe4 [ 56.197244][ T4917] softirqs last disabled at (81541): [] __irq_exit_rcu+0x240/0x43c [ 56.198862][ T4917] ---[ end trace 81b4ab06da20f8ae ]--- [ 56.202507][ T4917] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 56.204101][ T4917] BTRFS info (device loop0): forced readonly [ 56.386878][ T4938] set_capacity_and_notify: 8 callbacks suppressed [ 56.386887][ T4938] loop0: detected capacity change from 0 to 32768 [ 56.391738][ T4938] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4938) [ 56.396301][ T4938] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.397878][ T4938] BTRFS info (device loop0): using free space tree [ 56.399032][ T4938] BTRFS info (device loop0): has skinny extents [ 56.410456][ T4938] BTRFS info (device loop0): enabling ssd optimizations [ 56.417465][ T4938] FAULT_INJECTION: forcing a failure. [ 56.417465][ T4938] name failslab, interval 1, probability 0, space 0, times 0 [ 56.419824][ T4938] CPU: 0 PID: 4938 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.421305][ T4938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.422801][ T4938] Call trace: [ 56.423314][ T4938] dump_backtrace+0x0/0x458 [ 56.424035][ T4938] show_stack+0x2c/0x3c [ 56.424726][ T4938] __dump_stack+0x30/0x40 [ 56.425508][ T4938] dump_stack_lvl+0xf4/0x15c [ 56.426248][ T4938] dump_stack+0x1c/0x5c [ 56.427010][ T4938] should_fail+0x3bc/0x514 [ 56.427849][ T4938] __should_failslab+0xbc/0x10c [ 56.428674][ T4938] should_failslab+0x10/0x28 [ 56.429466][ T4938] slab_pre_alloc_hook+0x64/0xe8 [ 56.430219][ T4938] kmem_cache_alloc+0x94/0x3d4 [ 56.430942][ T4938] btrfs_alloc_path+0x5c/0x68 [ 56.431696][ T4938] __btrfs_unlink_inode+0x1dc/0xaec [ 56.432548][ T4938] btrfs_rename2+0x1bf8/0x307c [ 56.433360][ T4938] vfs_rename+0x95c/0xde0 [ 56.434110][ T4938] do_renameat2+0x774/0xcfc [ 56.434907][ T4938] __arm64_sys_renameat2+0xe0/0xfc [ 56.435849][ T4938] invoke_syscall+0x98/0x2b0 [ 56.436655][ T4938] el0_svc_common+0x138/0x258 [ 56.437485][ T4938] do_el0_svc+0x58/0x13c [ 56.438187][ T4938] el0_svc+0x78/0x1d0 [ 56.438875][ T4938] el0t_64_sync_handler+0xcc/0xe4 [ 56.439702][ T4938] el0t_64_sync+0x1a0/0x1a4 [ 56.441460][ T4938] ------------[ cut here ]------------ [ 56.442466][ T4938] WARNING: CPU: 0 PID: 4938 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 56.444049][ T4938] Modules linked in: [ 56.444721][ T4938] CPU: 0 PID: 4938 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.446344][ T4938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.448133][ T4938] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.449539][ T4938] pc : btrfs_rename2+0x26a8/0x307c [ 56.450467][ T4938] lr : btrfs_rename2+0x26a8/0x307c [ 56.451387][ T4938] sp : ffff800020ed7870 [ 56.452142][ T4938] x29: ffff800020ed7980 x28: ffff0000cf0637d0 x27: 0000000000000000 [ 56.453433][ T4938] x26: dfff800000000000 x25: ffff0000e20170b0 x24: ffff0000da6ec000 [ 56.454711][ T4938] x23: ffff0000e2016bf0 x22: ffff80001431fcc0 x21: 1fffe0001ba6193f [ 56.456120][ T4938] x20: ffff0000dd30c9f8 x19: 00000000fffffff4 x18: 0000000000000001 [ 56.457434][ T4938] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 56.458845][ T4938] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 56.460170][ T4938] x11: 0000000000000000 x10: 0000000000000000 x9 : 0cf92b9e90a95500 [ 56.461564][ T4938] x8 : 0cf92b9e90a95500 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.462997][ T4938] x5 : ffff800020ed7178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 56.464374][ T4938] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.465697][ T4938] Call trace: [ 56.466208][ T4938] btrfs_rename2+0x26a8/0x307c [ 56.466975][ T4938] vfs_rename+0x95c/0xde0 [ 56.467648][ T4938] do_renameat2+0x774/0xcfc [ 56.468376][ T4938] __arm64_sys_renameat2+0xe0/0xfc [ 56.469263][ T4938] invoke_syscall+0x98/0x2b0 [ 56.470041][ T4938] el0_svc_common+0x138/0x258 [ 56.470892][ T4938] do_el0_svc+0x58/0x13c [ 56.471654][ T4938] el0_svc+0x78/0x1d0 [ 56.472305][ T4938] el0t_64_sync_handler+0xcc/0xe4 [ 56.473081][ T4938] el0t_64_sync+0x1a0/0x1a4 [ 56.473809][ T4938] irq event stamp: 80558 [ 56.474508][ T4938] hardirqs last enabled at (80557): [] __up_console_sem+0xb4/0xfc [ 56.476149][ T4938] hardirqs last disabled at (80558): [] el1_dbg+0x24/0x80 [ 56.477524][ T4938] softirqs last enabled at (80538): [] handle_softirqs+0xa40/0xbe4 [ 56.479250][ T4938] softirqs last disabled at (80455): [] __irq_exit_rcu+0x240/0x43c [ 56.480807][ T4938] ---[ end trace 81b4ab06da20f8af ]--- [ 56.482596][ T4938] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 56.483911][ T4938] BTRFS info (device loop0): forced readonly [ 56.681670][ T4959] loop0: detected capacity change from 0 to 32768 [ 56.686807][ T4959] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4959) [ 56.695154][ T4959] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.696723][ T4959] BTRFS info (device loop0): using free space tree [ 56.697793][ T4959] BTRFS info (device loop0): has skinny extents [ 56.716820][ T4959] BTRFS info (device loop0): enabling ssd optimizations [ 56.723653][ T4959] FAULT_INJECTION: forcing a failure. [ 56.723653][ T4959] name failslab, interval 1, probability 0, space 0, times 0 [ 56.726042][ T4959] CPU: 0 PID: 4959 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.727516][ T4959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 56.729262][ T4959] Call trace: [ 56.729784][ T4959] dump_backtrace+0x0/0x458 [ 56.730566][ T4959] show_stack+0x2c/0x3c [ 56.731319][ T4959] __dump_stack+0x30/0x40 [ 56.732117][ T4959] dump_stack_lvl+0xf4/0x15c [ 56.732895][ T4959] dump_stack+0x1c/0x5c [ 56.733607][ T4959] should_fail+0x3bc/0x514 [ 56.734423][ T4959] __should_failslab+0xbc/0x10c [ 56.735299][ T4959] should_failslab+0x10/0x28 [ 56.736037][ T4959] slab_pre_alloc_hook+0x64/0xe8 [ 56.736878][ T4959] kmem_cache_alloc+0x94/0x3d4 [ 56.737739][ T4959] btrfs_alloc_path+0x5c/0x68 [ 56.738485][ T4959] btrfs_insert_inode_ref+0xf0/0xa2c [ 56.739427][ T4959] btrfs_rename2+0x1978/0x307c [ 56.740248][ T4959] vfs_rename+0x95c/0xde0 [ 56.741034][ T4959] do_renameat2+0x774/0xcfc [ 56.741824][ T4959] __arm64_sys_renameat2+0xe0/0xfc [ 56.742696][ T4959] invoke_syscall+0x98/0x2b0 [ 56.743486][ T4959] el0_svc_common+0x138/0x258 [ 56.744262][ T4959] do_el0_svc+0x58/0x13c [ 56.744992][ T4959] el0_svc+0x78/0x1d0 [ 56.745700][ T4959] el0t_64_sync_handler+0xcc/0xe4 [ 56.746624][ T4959] el0t_64_sync+0x1a0/0x1a4 [ 56.979138][ T4980] loop0: detected capacity change from 0 to 32768 [ 56.982233][ T4980] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4980) [ 56.985643][ T4980] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.987325][ T4980] BTRFS info (device loop0): using free space tree [ 56.988438][ T4980] BTRFS info (device loop0): has skinny extents [ 56.999568][ T4980] BTRFS info (device loop0): enabling ssd optimizations [ 57.005296][ T4980] FAULT_INJECTION: forcing a failure. [ 57.005296][ T4980] name failslab, interval 1, probability 0, space 0, times 0 [ 57.007551][ T4980] CPU: 1 PID: 4980 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.009124][ T4980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.010701][ T4980] Call trace: [ 57.011245][ T4980] dump_backtrace+0x0/0x458 [ 57.011949][ T4980] show_stack+0x2c/0x3c [ 57.012575][ T4980] __dump_stack+0x30/0x40 [ 57.013260][ T4980] dump_stack_lvl+0xf4/0x15c [ 57.014003][ T4980] dump_stack+0x1c/0x5c [ 57.014686][ T4980] should_fail+0x3bc/0x514 [ 57.015315][ T4980] __should_failslab+0xbc/0x10c [ 57.016120][ T4980] should_failslab+0x10/0x28 [ 57.016841][ T4980] slab_pre_alloc_hook+0x64/0xe8 [ 57.017667][ T4980] kmem_cache_alloc+0x94/0x3d4 [ 57.018484][ T4980] btrfs_alloc_path+0x5c/0x68 [ 57.019254][ T4980] __btrfs_unlink_inode+0x1dc/0xaec [ 57.020151][ T4980] btrfs_rename2+0x1bf8/0x307c [ 57.020978][ T4980] vfs_rename+0x95c/0xde0 [ 57.021710][ T4980] do_renameat2+0x774/0xcfc [ 57.022514][ T4980] __arm64_sys_renameat2+0xe0/0xfc [ 57.023419][ T4980] invoke_syscall+0x98/0x2b0 [ 57.024264][ T4980] el0_svc_common+0x138/0x258 [ 57.025066][ T4980] do_el0_svc+0x58/0x13c [ 57.025839][ T4980] el0_svc+0x78/0x1d0 [ 57.026554][ T4980] el0t_64_sync_handler+0xcc/0xe4 [ 57.027487][ T4980] el0t_64_sync+0x1a0/0x1a4 [ 57.029920][ T4980] ------------[ cut here ]------------ [ 57.031950][ T4980] WARNING: CPU: 1 PID: 4980 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 57.033469][ T4980] Modules linked in: [ 57.034152][ T4980] CPU: 1 PID: 4980 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.035626][ T4980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.037360][ T4980] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.038687][ T4980] pc : btrfs_rename2+0x26a8/0x307c [ 57.039489][ T4980] lr : btrfs_rename2+0x26a8/0x307c [ 57.040288][ T4980] sp : ffff8000212d7870 [ 57.040944][ T4980] x29: ffff8000212d7980 x28: ffff0000deec31f0 x27: 0000000000000000 [ 57.042312][ T4980] x26: dfff800000000000 x25: ffff0000dd3570b0 x24: ffff0000d7820000 [ 57.043688][ T4980] x23: ffff0000dd356bf0 x22: ffff80001431fcc0 x21: 1fffe0001985defd [ 57.045020][ T4980] x20: ffff0000cc2ef7e8 x19: 00000000fffffff4 x18: 0000000000000001 [ 57.046453][ T4980] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 57.047856][ T4980] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 57.049285][ T4980] x11: 0000000000000000 x10: 0000000000000000 x9 : 02dc04b8a0382900 [ 57.050718][ T4980] x8 : 02dc04b8a0382900 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.052110][ T4980] x5 : ffff8000212d7178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 57.053551][ T4980] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.054965][ T4980] Call trace: [ 57.055525][ T4980] btrfs_rename2+0x26a8/0x307c [ 57.056391][ T4980] vfs_rename+0x95c/0xde0 [ 57.057164][ T4980] do_renameat2+0x774/0xcfc [ 57.057972][ T4980] __arm64_sys_renameat2+0xe0/0xfc [ 57.058796][ T4980] invoke_syscall+0x98/0x2b0 [ 57.059621][ T4980] el0_svc_common+0x138/0x258 [ 57.060396][ T4980] do_el0_svc+0x58/0x13c [ 57.061089][ T4980] el0_svc+0x78/0x1d0 [ 57.061760][ T4980] el0t_64_sync_handler+0xcc/0xe4 [ 57.062729][ T4980] el0t_64_sync+0x1a0/0x1a4 [ 57.063582][ T4980] irq event stamp: 80650 [ 57.064330][ T4980] hardirqs last enabled at (80649): [] __up_console_sem+0xb4/0xfc [ 57.065924][ T4980] hardirqs last disabled at (80650): [] el1_dbg+0x24/0x80 [ 57.067443][ T4980] softirqs last enabled at (80638): [] handle_softirqs+0xa40/0xbe4 [ 57.069062][ T4980] softirqs last disabled at (80587): [] __irq_exit_rcu+0x240/0x43c [ 57.070755][ T4980] ---[ end trace 81b4ab06da20f8b0 ]--- [ 57.072820][ T4980] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 57.074241][ T4980] BTRFS info (device loop0): forced readonly [ 57.263176][ T5001] loop0: detected capacity change from 0 to 32768 [ 57.265857][ T5001] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5001) [ 57.269460][ T5001] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.271596][ T5001] BTRFS info (device loop0): using free space tree [ 57.272719][ T5001] BTRFS info (device loop0): has skinny extents [ 57.282332][ T5001] BTRFS info (device loop0): enabling ssd optimizations [ 57.288261][ T5001] FAULT_INJECTION: forcing a failure. [ 57.288261][ T5001] name failslab, interval 1, probability 0, space 0, times 0 [ 57.291085][ T5001] CPU: 1 PID: 5001 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.292553][ T5001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.294284][ T5001] Call trace: [ 57.294844][ T5001] dump_backtrace+0x0/0x458 [ 57.295589][ T5001] show_stack+0x2c/0x3c [ 57.296339][ T5001] __dump_stack+0x30/0x40 [ 57.297091][ T5001] dump_stack_lvl+0xf4/0x15c [ 57.297882][ T5001] dump_stack+0x1c/0x5c [ 57.298596][ T5001] should_fail+0x3bc/0x514 [ 57.299329][ T5001] __should_failslab+0xbc/0x10c [ 57.300150][ T5001] should_failslab+0x10/0x28 [ 57.300881][ T5001] slab_pre_alloc_hook+0x64/0xe8 [ 57.301713][ T5001] kmem_cache_alloc+0x94/0x3d4 [ 57.302494][ T5001] start_transaction+0x4d0/0x13ec [ 57.303360][ T5001] btrfs_start_transaction+0x34/0x44 [ 57.304203][ T5001] btrfs_rename2+0x15d8/0x307c [ 57.304961][ T5001] vfs_rename+0x95c/0xde0 [ 57.305665][ T5001] do_renameat2+0x774/0xcfc [ 57.306379][ T5001] __arm64_sys_renameat2+0xe0/0xfc [ 57.307244][ T5001] invoke_syscall+0x98/0x2b0 [ 57.308072][ T5001] el0_svc_common+0x138/0x258 [ 57.308914][ T5001] do_el0_svc+0x58/0x13c [ 57.309681][ T5001] el0_svc+0x78/0x1d0 [ 57.310334][ T5001] el0t_64_sync_handler+0xcc/0xe4 [ 57.311204][ T5001] el0t_64_sync+0x1a0/0x1a4 [ 57.491273][ T5022] loop0: detected capacity change from 0 to 32768 [ 57.493837][ T5022] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5022) [ 57.497427][ T5022] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.499094][ T5022] BTRFS info (device loop0): using free space tree [ 57.500213][ T5022] BTRFS info (device loop0): has skinny extents [ 57.522920][ T5022] BTRFS info (device loop0): enabling ssd optimizations [ 57.528283][ T5022] FAULT_INJECTION: forcing a failure. [ 57.528283][ T5022] name failslab, interval 1, probability 0, space 0, times 0 [ 57.530608][ T5022] CPU: 0 PID: 5022 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.532150][ T5022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.533843][ T5022] Call trace: [ 57.534436][ T5022] dump_backtrace+0x0/0x458 [ 57.535180][ T5022] show_stack+0x2c/0x3c [ 57.535902][ T5022] __dump_stack+0x30/0x40 [ 57.536650][ T5022] dump_stack_lvl+0xf4/0x15c [ 57.537443][ T5022] dump_stack+0x1c/0x5c [ 57.538088][ T5022] should_fail+0x3bc/0x514 [ 57.538892][ T5022] __should_failslab+0xbc/0x10c [ 57.539779][ T5022] should_failslab+0x10/0x28 [ 57.540627][ T5022] slab_pre_alloc_hook+0x64/0xe8 [ 57.541513][ T5022] kmem_cache_alloc+0x94/0x3d4 [ 57.542398][ T5022] btrfs_alloc_path+0x5c/0x68 [ 57.543223][ T5022] __btrfs_unlink_inode+0x1dc/0xaec [ 57.544145][ T5022] btrfs_rename2+0x1bf8/0x307c [ 57.545037][ T5022] vfs_rename+0x95c/0xde0 [ 57.545774][ T5022] do_renameat2+0x774/0xcfc [ 57.546581][ T5022] __arm64_sys_renameat2+0xe0/0xfc [ 57.547535][ T5022] invoke_syscall+0x98/0x2b0 [ 57.548373][ T5022] el0_svc_common+0x138/0x258 [ 57.549222][ T5022] do_el0_svc+0x58/0x13c [ 57.549961][ T5022] el0_svc+0x78/0x1d0 [ 57.550685][ T5022] el0t_64_sync_handler+0xcc/0xe4 [ 57.551532][ T5022] el0t_64_sync+0x1a0/0x1a4 [ 57.553330][ T5022] ------------[ cut here ]------------ [ 57.554295][ T5022] WARNING: CPU: 0 PID: 5022 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 57.555749][ T5022] Modules linked in: [ 57.556412][ T5022] CPU: 0 PID: 5022 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.558064][ T5022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.559850][ T5022] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.561204][ T5022] pc : btrfs_rename2+0x26a8/0x307c [ 57.562098][ T5022] lr : btrfs_rename2+0x26a8/0x307c [ 57.562999][ T5022] sp : ffff800021527870 [ 57.563729][ T5022] x29: ffff800021527980 x28: ffff0000def0c7a8 x27: 0000000000000000 [ 57.565095][ T5022] x26: dfff800000000000 x25: ffff0000e2189860 x24: ffff0000cfbaa000 [ 57.566463][ T5022] x23: ffff0000e21893a0 x22: ffff80001431fcc0 x21: 1fffe0001ba619ef [ 57.567819][ T5022] x20: ffff0000dd30cf78 x19: 00000000fffffff4 x18: 0000000000000001 [ 57.569232][ T5022] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 57.570635][ T5022] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 57.572056][ T5022] x11: 0000000000000000 x10: 0000000000000000 x9 : b15de06146053600 [ 57.573470][ T5022] x8 : b15de06146053600 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.574680][ T5022] x5 : ffff800021527178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 57.576005][ T5022] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.577390][ T5022] Call trace: [ 57.577949][ T5022] btrfs_rename2+0x26a8/0x307c [ 57.578751][ T5022] vfs_rename+0x95c/0xde0 [ 57.579492][ T5022] do_renameat2+0x774/0xcfc [ 57.580309][ T5022] __arm64_sys_renameat2+0xe0/0xfc [ 57.581253][ T5022] invoke_syscall+0x98/0x2b0 [ 57.582098][ T5022] el0_svc_common+0x138/0x258 [ 57.582893][ T5022] do_el0_svc+0x58/0x13c [ 57.583618][ T5022] el0_svc+0x78/0x1d0 [ 57.584314][ T5022] el0t_64_sync_handler+0xcc/0xe4 [ 57.585178][ T5022] el0t_64_sync+0x1a0/0x1a4 [ 57.585960][ T5022] irq event stamp: 82010 [ 57.586641][ T5022] hardirqs last enabled at (82009): [] __up_console_sem+0xb4/0xfc [ 57.588234][ T5022] hardirqs last disabled at (82010): [] el1_dbg+0x24/0x80 [ 57.589669][ T5022] softirqs last enabled at (81990): [] handle_softirqs+0xa40/0xbe4 [ 57.591156][ T5022] softirqs last disabled at (81853): [] __irq_exit_rcu+0x240/0x43c [ 57.592678][ T5022] ---[ end trace 81b4ab06da20f8b1 ]--- [ 57.594580][ T5022] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 57.596074][ T5022] BTRFS info (device loop0): forced readonly [ 57.779822][ T5043] loop0: detected capacity change from 0 to 32768 [ 57.782494][ T5043] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5043) [ 57.785913][ T5043] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.788372][ T5043] BTRFS info (device loop0): using free space tree [ 57.789624][ T5043] BTRFS info (device loop0): has skinny extents [ 57.802464][ T5043] BTRFS info (device loop0): enabling ssd optimizations [ 57.807999][ T5043] FAULT_INJECTION: forcing a failure. [ 57.807999][ T5043] name failslab, interval 1, probability 0, space 0, times 0 [ 57.810177][ T5043] CPU: 1 PID: 5043 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.811536][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.813070][ T5043] Call trace: [ 57.813567][ T5043] dump_backtrace+0x0/0x458 [ 57.814232][ T5043] show_stack+0x2c/0x3c [ 57.814854][ T5043] __dump_stack+0x30/0x40 [ 57.815530][ T5043] dump_stack_lvl+0xf4/0x15c [ 57.816254][ T5043] dump_stack+0x1c/0x5c [ 57.816915][ T5043] should_fail+0x3bc/0x514 [ 57.817607][ T5043] __should_failslab+0xbc/0x10c [ 57.818462][ T5043] should_failslab+0x10/0x28 [ 57.819215][ T5043] slab_pre_alloc_hook+0x64/0xe8 [ 57.820061][ T5043] kmem_cache_alloc+0x94/0x3d4 [ 57.820916][ T5043] btrfs_alloc_path+0x5c/0x68 [ 57.821724][ T5043] __btrfs_unlink_inode+0x1dc/0xaec [ 57.822605][ T5043] btrfs_rename2+0x1bf8/0x307c [ 57.823479][ T5043] vfs_rename+0x95c/0xde0 [ 57.824239][ T5043] do_renameat2+0x774/0xcfc [ 57.825054][ T5043] __arm64_sys_renameat2+0xe0/0xfc [ 57.825926][ T5043] invoke_syscall+0x98/0x2b0 [ 57.826684][ T5043] el0_svc_common+0x138/0x258 [ 57.827464][ T5043] do_el0_svc+0x58/0x13c [ 57.828224][ T5043] el0_svc+0x78/0x1d0 [ 57.828877][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 57.829753][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 57.832224][ T5043] ------------[ cut here ]------------ [ 57.833271][ T5043] WARNING: CPU: 1 PID: 5043 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 57.834718][ T5043] Modules linked in: [ 57.835368][ T5043] CPU: 1 PID: 5043 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.836852][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 57.838612][ T5043] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.840078][ T5043] pc : btrfs_rename2+0x26a8/0x307c [ 57.840960][ T5043] lr : btrfs_rename2+0x26a8/0x307c [ 57.841819][ T5043] sp : ffff800021527870 [ 57.842554][ T5043] x29: ffff800021527980 x28: ffff0000dd08cf00 x27: 0000000000000000 [ 57.843995][ T5043] x26: dfff800000000000 x25: ffff0000e20a0e90 x24: ffff0000e3d7e000 [ 57.845449][ T5043] x23: ffff0000e20a09d0 x22: ffff80001431fcc0 x21: 1fffe0001985df97 [ 57.846751][ T5043] x20: ffff0000cc2efcb8 x19: 00000000fffffff4 x18: 0000000000000001 [ 57.848198][ T5043] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 57.849561][ T5043] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 57.850894][ T5043] x11: 0000000000000000 x10: 0000000000000000 x9 : 9095fb293d3d4000 [ 57.852193][ T5043] x8 : 9095fb293d3d4000 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.853586][ T5043] x5 : ffff800021527178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 57.854929][ T5043] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.856335][ T5043] Call trace: [ 57.856883][ T5043] btrfs_rename2+0x26a8/0x307c [ 57.857686][ T5043] vfs_rename+0x95c/0xde0 [ 57.858389][ T5043] do_renameat2+0x774/0xcfc [ 57.859168][ T5043] __arm64_sys_renameat2+0xe0/0xfc [ 57.859983][ T5043] invoke_syscall+0x98/0x2b0 [ 57.860789][ T5043] el0_svc_common+0x138/0x258 [ 57.861596][ T5043] do_el0_svc+0x58/0x13c [ 57.862340][ T5043] el0_svc+0x78/0x1d0 [ 57.863068][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 57.863944][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 57.864704][ T5043] irq event stamp: 79866 [ 57.865439][ T5043] hardirqs last enabled at (79865): [] __up_console_sem+0xb4/0xfc [ 57.867135][ T5043] hardirqs last disabled at (79866): [] el1_dbg+0x24/0x80 [ 57.868707][ T5043] softirqs last enabled at (79846): [] handle_softirqs+0xa40/0xbe4 [ 57.870353][ T5043] softirqs last disabled at (79835): [] __irq_exit_rcu+0x240/0x43c [ 57.871993][ T5043] ---[ end trace 81b4ab06da20f8b2 ]--- [ 57.873923][ T5043] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 57.875406][ T5043] BTRFS info (device loop0): forced readonly [ 58.071326][ T5064] loop0: detected capacity change from 0 to 32768 [ 58.074056][ T5064] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5064) [ 58.078696][ T5064] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 58.080391][ T5064] BTRFS info (device loop0): using free space tree [ 58.081658][ T5064] BTRFS info (device loop0): has skinny extents [ 58.089651][ T5064] BTRFS info (device loop0): enabling ssd optimizations [ 58.096393][ T5064] FAULT_INJECTION: forcing a failure. [ 58.096393][ T5064] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 58.098913][ T5064] CPU: 0 PID: 5064 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.100443][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.102127][ T5064] Call trace: [ 58.102689][ T5064] dump_backtrace+0x0/0x458 [ 58.103507][ T5064] show_stack+0x2c/0x3c [ 58.104263][ T5064] __dump_stack+0x30/0x40 [ 58.104996][ T5064] dump_stack_lvl+0xf4/0x15c [ 58.105834][ T5064] dump_stack+0x1c/0x5c [ 58.106543][ T5064] should_fail+0x3bc/0x514 [ 58.107134][ T5064] should_fail_alloc_page+0x74/0xa8 [ 58.107871][ T5064] prepare_alloc_pages+0x160/0x45c [ 58.108637][ T5064] __alloc_pages+0x108/0x470 [ 58.109449][ T5064] alloc_pages+0x34c/0x5c0 [ 58.110146][ T5064] new_slab+0xe0/0x544 [ 58.110846][ T5064] ___slab_alloc+0x6b4/0xd8c [ 58.111661][ T5064] __slab_alloc+0x68/0xc0 [ 58.112380][ T5064] kmem_cache_alloc+0x2a4/0x3d4 [ 58.113174][ T5064] start_transaction+0x4d0/0x13ec [ 58.114034][ T5064] btrfs_start_transaction+0x34/0x44 [ 58.114915][ T5064] btrfs_rename2+0x15d8/0x307c [ 58.115689][ T5064] vfs_rename+0x95c/0xde0 [ 58.116377][ T5064] do_renameat2+0x774/0xcfc [ 58.117102][ T5064] __arm64_sys_renameat2+0xe0/0xfc [ 58.117978][ T5064] invoke_syscall+0x98/0x2b0 [ 58.118833][ T5064] el0_svc_common+0x138/0x258 [ 58.119632][ T5064] do_el0_svc+0x58/0x13c [ 58.120352][ T5064] el0_svc+0x78/0x1d0 [ 58.121046][ T5064] el0t_64_sync_handler+0xcc/0xe4 [ 58.121936][ T5064] el0t_64_sync+0x1a0/0x1a4 [ 58.170753][ T4570] Bluetooth: hci0: command 0x0419 tx timeout [ 58.320541][ T5085] loop0: detected capacity change from 0 to 32768 [ 58.332355][ T5085] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5085) [ 58.337396][ T5085] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 58.339807][ T5085] BTRFS info (device loop0): using free space tree [ 58.341066][ T5085] BTRFS info (device loop0): has skinny extents [ 58.350746][ T5085] BTRFS info (device loop0): enabling ssd optimizations [ 58.356707][ T5085] FAULT_INJECTION: forcing a failure. [ 58.356707][ T5085] name failslab, interval 1, probability 0, space 0, times 0 [ 58.358788][ T5085] CPU: 1 PID: 5085 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.360428][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.362173][ T5085] Call trace: [ 58.362732][ T5085] dump_backtrace+0x0/0x458 [ 58.363469][ T5085] show_stack+0x2c/0x3c [ 58.364160][ T5085] __dump_stack+0x30/0x40 [ 58.364878][ T5085] dump_stack_lvl+0xf4/0x15c [ 58.365682][ T5085] dump_stack+0x1c/0x5c [ 58.366366][ T5085] should_fail+0x3bc/0x514 [ 58.367122][ T5085] __should_failslab+0xbc/0x10c [ 58.367951][ T5085] should_failslab+0x10/0x28 [ 58.368699][ T5085] slab_pre_alloc_hook+0x64/0xe8 [ 58.369556][ T5085] kmem_cache_alloc+0x94/0x3d4 [ 58.370345][ T5085] btrfs_alloc_path+0x5c/0x68 [ 58.371151][ T5085] __btrfs_unlink_inode+0x1dc/0xaec [ 58.372032][ T5085] btrfs_rename2+0x1bf8/0x307c [ 58.372884][ T5085] vfs_rename+0x95c/0xde0 [ 58.373690][ T5085] do_renameat2+0x774/0xcfc [ 58.374517][ T5085] __arm64_sys_renameat2+0xe0/0xfc [ 58.375416][ T5085] invoke_syscall+0x98/0x2b0 [ 58.376198][ T5085] el0_svc_common+0x138/0x258 [ 58.376977][ T5085] do_el0_svc+0x58/0x13c [ 58.377701][ T5085] el0_svc+0x78/0x1d0 [ 58.378376][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 58.379247][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 58.381758][ T5085] ------------[ cut here ]------------ [ 58.382806][ T5085] WARNING: CPU: 1 PID: 5085 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 58.384375][ T5085] Modules linked in: [ 58.385000][ T5085] CPU: 1 PID: 5085 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.386361][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.387880][ T5085] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.389200][ T5085] pc : btrfs_rename2+0x26a8/0x307c [ 58.390105][ T5085] lr : btrfs_rename2+0x26a8/0x307c [ 58.390958][ T5085] sp : ffff800021807870 [ 58.391695][ T5085] x29: ffff800021807980 x28: ffff0000defb9368 x27: 0000000000000000 [ 58.393000][ T5085] x26: dfff800000000000 x25: ffff0000e20a3fa0 x24: ffff0000db848000 [ 58.394326][ T5085] x23: ffff0000e20a3ae0 x22: ffff80001431fcc0 x21: 1fffe0001985dfd9 [ 58.395722][ T5085] x20: ffff0000cc2efec8 x19: 00000000fffffff4 x18: 0000000000000001 [ 58.397069][ T5085] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 58.398334][ T5085] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 58.399672][ T5085] x11: 0000000000000000 x10: 0000000000000000 x9 : b2dbf4913bf7a400 [ 58.401066][ T5085] x8 : b2dbf4913bf7a400 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.402483][ T5085] x5 : ffff800021807178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 58.403870][ T5085] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.405297][ T5085] Call trace: [ 58.405867][ T5085] btrfs_rename2+0x26a8/0x307c [ 58.406693][ T5085] vfs_rename+0x95c/0xde0 [ 58.407501][ T5085] do_renameat2+0x774/0xcfc [ 58.408320][ T5085] __arm64_sys_renameat2+0xe0/0xfc [ 58.409197][ T5085] invoke_syscall+0x98/0x2b0 [ 58.409934][ T5085] el0_svc_common+0x138/0x258 [ 58.410694][ T5085] do_el0_svc+0x58/0x13c [ 58.411370][ T5085] el0_svc+0x78/0x1d0 [ 58.412045][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 58.412945][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 58.413771][ T5085] irq event stamp: 81362 [ 58.414597][ T5085] hardirqs last enabled at (81361): [] __up_console_sem+0xb4/0xfc [ 58.416310][ T5085] hardirqs last disabled at (81362): [] el1_dbg+0x24/0x80 [ 58.417731][ T5085] softirqs last enabled at (81342): [] handle_softirqs+0xa40/0xbe4 [ 58.419435][ T5085] softirqs last disabled at (81329): [] __irq_exit_rcu+0x240/0x43c [ 58.421106][ T5085] ---[ end trace 81b4ab06da20f8b3 ]--- [ 58.423725][ T5085] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 58.425354][ T5085] BTRFS info (device loop0): forced readonly [ 58.629550][ T5106] loop0: detected capacity change from 0 to 32768 [ 58.632327][ T5106] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5106) [ 58.635796][ T5106] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 58.637537][ T5106] BTRFS info (device loop0): using free space tree [ 58.638713][ T5106] BTRFS info (device loop0): has skinny extents [ 58.647888][ T5106] BTRFS info (device loop0): enabling ssd optimizations [ 58.653765][ T5106] FAULT_INJECTION: forcing a failure. [ 58.653765][ T5106] name failslab, interval 1, probability 0, space 0, times 0 [ 58.655881][ T5106] CPU: 1 PID: 5106 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.657320][ T5106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.658783][ T5106] Call trace: [ 58.659287][ T5106] dump_backtrace+0x0/0x458 [ 58.659950][ T5106] show_stack+0x2c/0x3c [ 58.660629][ T5106] __dump_stack+0x30/0x40 [ 58.661399][ T5106] dump_stack_lvl+0xf4/0x15c [ 58.662182][ T5106] dump_stack+0x1c/0x5c [ 58.662875][ T5106] should_fail+0x3bc/0x514 [ 58.663613][ T5106] __should_failslab+0xbc/0x10c [ 58.664416][ T5106] should_failslab+0x10/0x28 [ 58.665200][ T5106] slab_pre_alloc_hook+0x64/0xe8 [ 58.666068][ T5106] kmem_cache_alloc+0x94/0x3d4 [ 58.666932][ T5106] btrfs_alloc_path+0x5c/0x68 [ 58.667720][ T5106] btrfs_insert_inode_ref+0xf0/0xa2c [ 58.668650][ T5106] btrfs_rename2+0x1978/0x307c [ 58.669469][ T5106] vfs_rename+0x95c/0xde0 [ 58.670254][ T5106] do_renameat2+0x774/0xcfc [ 58.671026][ T5106] __arm64_sys_renameat2+0xe0/0xfc [ 58.671862][ T5106] invoke_syscall+0x98/0x2b0 [ 58.672624][ T5106] el0_svc_common+0x138/0x258 [ 58.673443][ T5106] do_el0_svc+0x58/0x13c [ 58.674150][ T5106] el0_svc+0x78/0x1d0 [ 58.674859][ T5106] el0t_64_sync_handler+0xcc/0xe4 [ 58.675694][ T5106] el0t_64_sync+0x1a0/0x1a4 [ 58.895209][ T5127] loop0: detected capacity change from 0 to 32768 [ 58.898075][ T5127] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5127) [ 58.902362][ T5127] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 58.904090][ T5127] BTRFS info (device loop0): using free space tree [ 58.905282][ T5127] BTRFS info (device loop0): has skinny extents [ 58.914481][ T5127] BTRFS info (device loop0): enabling ssd optimizations [ 58.920176][ T5127] FAULT_INJECTION: forcing a failure. [ 58.920176][ T5127] name failslab, interval 1, probability 0, space 0, times 0 [ 58.922815][ T5127] CPU: 1 PID: 5127 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.924265][ T5127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 58.926038][ T5127] Call trace: [ 58.926580][ T5127] dump_backtrace+0x0/0x458 [ 58.927377][ T5127] show_stack+0x2c/0x3c [ 58.928091][ T5127] __dump_stack+0x30/0x40 [ 58.928840][ T5127] dump_stack_lvl+0xf4/0x15c [ 58.929624][ T5127] dump_stack+0x1c/0x5c [ 58.930369][ T5127] should_fail+0x3bc/0x514 [ 58.931099][ T5127] __should_failslab+0xbc/0x10c [ 58.931960][ T5127] should_failslab+0x10/0x28 [ 58.932671][ T5127] slab_pre_alloc_hook+0x64/0xe8 [ 58.933553][ T5127] kmem_cache_alloc+0x94/0x3d4 [ 58.934318][ T5127] btrfs_alloc_path+0x5c/0x68 [ 58.935018][ T5127] btrfs_insert_inode_ref+0xf0/0xa2c [ 58.935897][ T5127] btrfs_rename2+0x1978/0x307c [ 58.936604][ T5127] vfs_rename+0x95c/0xde0 [ 58.937275][ T5127] do_renameat2+0x774/0xcfc [ 58.937955][ T5127] __arm64_sys_renameat2+0xe0/0xfc [ 58.938799][ T5127] invoke_syscall+0x98/0x2b0 [ 58.939485][ T5127] el0_svc_common+0x138/0x258 [ 58.940228][ T5127] do_el0_svc+0x58/0x13c [ 58.940930][ T5127] el0_svc+0x78/0x1d0 [ 58.941601][ T5127] el0t_64_sync_handler+0xcc/0xe4 [ 58.942445][ T5127] el0t_64_sync+0x1a0/0x1a4 [ 59.151956][ T5148] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5148) [ 59.155971][ T5148] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 59.157654][ T5148] BTRFS info (device loop0): using free space tree [ 59.158761][ T5148] BTRFS info (device loop0): has skinny extents [ 59.168316][ T5148] BTRFS info (device loop0): enabling ssd optimizations [ 59.173491][ T5148] FAULT_INJECTION: forcing a failure. [ 59.173491][ T5148] name failslab, interval 1, probability 0, space 0, times 0 [ 59.175598][ T5148] CPU: 0 PID: 5148 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.177174][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.178826][ T5148] Call trace: [ 59.179392][ T5148] dump_backtrace+0x0/0x458 [ 59.180212][ T5148] show_stack+0x2c/0x3c [ 59.180930][ T5148] __dump_stack+0x30/0x40 [ 59.181679][ T5148] dump_stack_lvl+0xf4/0x15c [ 59.182451][ T5148] dump_stack+0x1c/0x5c [ 59.183177][ T5148] should_fail+0x3bc/0x514 [ 59.183913][ T5148] __should_failslab+0xbc/0x10c [ 59.184776][ T5148] should_failslab+0x10/0x28 [ 59.185531][ T5148] slab_pre_alloc_hook+0x64/0xe8 [ 59.186413][ T5148] kmem_cache_alloc+0x94/0x3d4 [ 59.187235][ T5148] start_transaction+0x4d0/0x13ec [ 59.188067][ T5148] btrfs_start_transaction+0x34/0x44 [ 59.188990][ T5148] btrfs_rename2+0x15d8/0x307c [ 59.189810][ T5148] vfs_rename+0x95c/0xde0 [ 59.190515][ T5148] do_renameat2+0x774/0xcfc [ 59.191358][ T5148] __arm64_sys_renameat2+0xe0/0xfc [ 59.192275][ T5148] invoke_syscall+0x98/0x2b0 [ 59.192995][ T5148] el0_svc_common+0x138/0x258 [ 59.193832][ T5148] do_el0_svc+0x58/0x13c [ 59.194551][ T5148] el0_svc+0x78/0x1d0 [ 59.195225][ T5148] el0t_64_sync_handler+0xcc/0xe4 [ 59.196091][ T5148] el0t_64_sync+0x1a0/0x1a4 [ 59.391599][ T5169] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5169) [ 59.395715][ T5169] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 59.397283][ T5169] BTRFS info (device loop0): using free space tree [ 59.398347][ T5169] BTRFS info (device loop0): has skinny extents [ 59.408451][ T5169] BTRFS info (device loop0): enabling ssd optimizations [ 59.415606][ T5169] FAULT_INJECTION: forcing a failure. [ 59.415606][ T5169] name failslab, interval 1, probability 0, space 0, times 0 [ 59.417816][ T5169] CPU: 1 PID: 5169 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.419346][ T5169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.421020][ T5169] Call trace: [ 59.421583][ T5169] dump_backtrace+0x0/0x458 [ 59.422369][ T5169] show_stack+0x2c/0x3c [ 59.423061][ T5169] __dump_stack+0x30/0x40 [ 59.423752][ T5169] dump_stack_lvl+0xf4/0x15c [ 59.424424][ T5169] dump_stack+0x1c/0x5c [ 59.425102][ T5169] should_fail+0x3bc/0x514 [ 59.425819][ T5169] __should_failslab+0xbc/0x10c [ 59.426628][ T5169] should_failslab+0x10/0x28 [ 59.427408][ T5169] slab_pre_alloc_hook+0x64/0xe8 [ 59.428246][ T5169] kmem_cache_alloc+0x94/0x3d4 [ 59.429046][ T5169] btrfs_alloc_path+0x5c/0x68 [ 59.429823][ T5169] btrfs_insert_inode_ref+0xf0/0xa2c [ 59.430669][ T5169] btrfs_rename2+0x1978/0x307c [ 59.431431][ T5169] vfs_rename+0x95c/0xde0 [ 59.432194][ T5169] do_renameat2+0x774/0xcfc [ 59.432986][ T5169] __arm64_sys_renameat2+0xe0/0xfc [ 59.433841][ T5169] invoke_syscall+0x98/0x2b0 [ 59.434638][ T5169] el0_svc_common+0x138/0x258 [ 59.435374][ T5169] do_el0_svc+0x58/0x13c [ 59.436089][ T5169] el0_svc+0x78/0x1d0 [ 59.436806][ T5169] el0t_64_sync_handler+0xcc/0xe4 [ 59.437648][ T5169] el0t_64_sync+0x1a0/0x1a4 [ 59.658592][ T5190] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5190) [ 59.663237][ T5190] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 59.664831][ T5190] BTRFS info (device loop0): using free space tree [ 59.665972][ T5190] BTRFS info (device loop0): has skinny extents [ 59.675467][ T5190] BTRFS info (device loop0): enabling ssd optimizations [ 59.682177][ T5190] FAULT_INJECTION: forcing a failure. [ 59.682177][ T5190] name failslab, interval 1, probability 0, space 0, times 0 [ 59.684287][ T5190] CPU: 1 PID: 5190 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.685690][ T5190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.687301][ T5190] Call trace: [ 59.687867][ T5190] dump_backtrace+0x0/0x458 [ 59.688660][ T5190] show_stack+0x2c/0x3c [ 59.689365][ T5190] __dump_stack+0x30/0x40 [ 59.690077][ T5190] dump_stack_lvl+0xf4/0x15c [ 59.690911][ T5190] dump_stack+0x1c/0x5c [ 59.691693][ T5190] should_fail+0x3bc/0x514 [ 59.692449][ T5190] __should_failslab+0xbc/0x10c [ 59.693234][ T5190] should_failslab+0x10/0x28 [ 59.693926][ T5190] slab_pre_alloc_hook+0x64/0xe8 [ 59.694700][ T5190] kmem_cache_alloc+0x94/0x3d4 [ 59.695531][ T5190] btrfs_alloc_path+0x5c/0x68 [ 59.696402][ T5190] btrfs_insert_inode_ref+0xf0/0xa2c [ 59.697324][ T5190] btrfs_rename2+0x1978/0x307c [ 59.698128][ T5190] vfs_rename+0x95c/0xde0 [ 59.698836][ T5190] do_renameat2+0x774/0xcfc [ 59.699595][ T5190] __arm64_sys_renameat2+0xe0/0xfc [ 59.700480][ T5190] invoke_syscall+0x98/0x2b0 [ 59.701307][ T5190] el0_svc_common+0x138/0x258 [ 59.702102][ T5190] do_el0_svc+0x58/0x13c [ 59.702817][ T5190] el0_svc+0x78/0x1d0 [ 59.703468][ T5190] el0t_64_sync_handler+0xcc/0xe4 [ 59.704258][ T5190] el0t_64_sync+0x1a0/0x1a4 [ 59.908840][ T5211] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5211) [ 59.912368][ T5211] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 59.913935][ T5211] BTRFS info (device loop0): using free space tree [ 59.915181][ T5211] BTRFS info (device loop0): has skinny extents [ 59.923543][ T5211] BTRFS info (device loop0): enabling ssd optimizations [ 59.928357][ T5211] FAULT_INJECTION: forcing a failure. [ 59.928357][ T5211] name failslab, interval 1, probability 0, space 0, times 0 [ 59.930392][ T5211] CPU: 0 PID: 5211 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.931850][ T5211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.933496][ T5211] Call trace: [ 59.934050][ T5211] dump_backtrace+0x0/0x458 [ 59.934784][ T5211] show_stack+0x2c/0x3c [ 59.935449][ T5211] __dump_stack+0x30/0x40 [ 59.936168][ T5211] dump_stack_lvl+0xf4/0x15c [ 59.936871][ T5211] dump_stack+0x1c/0x5c [ 59.937607][ T5211] should_fail+0x3bc/0x514 [ 59.938381][ T5211] __should_failslab+0xbc/0x10c [ 59.939166][ T5211] should_failslab+0x10/0x28 [ 59.939818][ T5211] slab_pre_alloc_hook+0x64/0xe8 [ 59.940582][ T5211] kmem_cache_alloc+0x94/0x3d4 [ 59.941329][ T5211] btrfs_alloc_path+0x5c/0x68 [ 59.942095][ T5211] __btrfs_unlink_inode+0x1dc/0xaec [ 59.942988][ T5211] btrfs_rename2+0x1bf8/0x307c [ 59.943785][ T5211] vfs_rename+0x95c/0xde0 [ 59.944476][ T5211] do_renameat2+0x774/0xcfc [ 59.945266][ T5211] __arm64_sys_renameat2+0xe0/0xfc [ 59.946193][ T5211] invoke_syscall+0x98/0x2b0 [ 59.946951][ T5211] el0_svc_common+0x138/0x258 [ 59.947779][ T5211] do_el0_svc+0x58/0x13c [ 59.948530][ T5211] el0_svc+0x78/0x1d0 [ 59.949253][ T5211] el0t_64_sync_handler+0xcc/0xe4 [ 59.950088][ T5211] el0t_64_sync+0x1a0/0x1a4 [ 59.951589][ T5211] ------------[ cut here ]------------ [ 59.952589][ T5211] WARNING: CPU: 0 PID: 5211 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 59.954011][ T5211] Modules linked in: [ 59.954687][ T5211] CPU: 0 PID: 5211 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.956234][ T5211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 59.957853][ T5211] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 59.959110][ T5211] pc : btrfs_rename2+0x26a8/0x307c [ 59.959869][ T5211] lr : btrfs_rename2+0x26a8/0x307c [ 59.960672][ T5211] sp : ffff8000220a7870 [ 59.961331][ T5211] x29: ffff8000220a7980 x28: ffff0000dc7dac10 x27: 0000000000000000 [ 59.962760][ T5211] x26: dfff800000000000 x25: ffff0000e20a7a80 x24: ffff0000d9fda000 [ 59.964101][ T5211] x23: ffff0000e20a75c0 x22: ffff80001431fcc0 x21: 1fffe00019848afd [ 59.965305][ T5211] x20: ffff0000cc2457e8 x19: 00000000fffffff4 x18: 0000000000000001 [ 59.966650][ T5211] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 59.967984][ T5211] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 59.969356][ T5211] x11: 0000000000000000 x10: 0000000000000000 x9 : 36a510543f1e0800 [ 59.970629][ T5211] x8 : 36a510543f1e0800 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.971861][ T5211] x5 : ffff8000220a7178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 59.973214][ T5211] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 59.974636][ T5211] Call trace: [ 59.975260][ T5211] btrfs_rename2+0x26a8/0x307c [ 59.976100][ T5211] vfs_rename+0x95c/0xde0 [ 59.976901][ T5211] do_renameat2+0x774/0xcfc [ 59.977694][ T5211] __arm64_sys_renameat2+0xe0/0xfc [ 59.978563][ T5211] invoke_syscall+0x98/0x2b0 [ 59.979340][ T5211] el0_svc_common+0x138/0x258 [ 59.980190][ T5211] do_el0_svc+0x58/0x13c [ 59.980914][ T5211] el0_svc+0x78/0x1d0 [ 59.981636][ T5211] el0t_64_sync_handler+0xcc/0xe4 [ 59.982543][ T5211] el0t_64_sync+0x1a0/0x1a4 [ 59.983269][ T5211] irq event stamp: 80558 [ 59.984011][ T5211] hardirqs last enabled at (80557): [] __up_console_sem+0xb4/0xfc [ 59.985680][ T5211] hardirqs last disabled at (80558): [] el1_dbg+0x24/0x80 [ 59.987167][ T5211] softirqs last enabled at (80538): [] handle_softirqs+0xa40/0xbe4 [ 59.988827][ T5211] softirqs last disabled at (80501): [] __irq_exit_rcu+0x240/0x43c [ 59.990484][ T5211] ---[ end trace 81b4ab06da20f8b4 ]--- [ 59.992149][ T5211] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 59.993645][ T5211] BTRFS info (device loop0): forced readonly 1970/01/01 00:00:59 executed programs: 32 [ 60.197250][ T5232] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5232) [ 60.202431][ T5232] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 60.204146][ T5232] BTRFS info (device loop0): using free space tree [ 60.205245][ T5232] BTRFS info (device loop0): has skinny extents [ 60.219015][ T5232] BTRFS info (device loop0): enabling ssd optimizations [ 60.226150][ T5232] FAULT_INJECTION: forcing a failure. [ 60.226150][ T5232] name failslab, interval 1, probability 0, space 0, times 0 [ 60.228395][ T5232] CPU: 0 PID: 5232 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.229991][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.231799][ T5232] Call trace: [ 60.232359][ T5232] dump_backtrace+0x0/0x458 [ 60.233206][ T5232] show_stack+0x2c/0x3c [ 60.233935][ T5232] __dump_stack+0x30/0x40 [ 60.234676][ T5232] dump_stack_lvl+0xf4/0x15c [ 60.235464][ T5232] dump_stack+0x1c/0x5c [ 60.236182][ T5232] should_fail+0x3bc/0x514 [ 60.236866][ T5232] __should_failslab+0xbc/0x10c [ 60.237649][ T5232] should_failslab+0x10/0x28 [ 60.238436][ T5232] slab_pre_alloc_hook+0x64/0xe8 [ 60.239260][ T5232] kmem_cache_alloc+0x94/0x3d4 [ 60.240029][ T5232] btrfs_alloc_path+0x5c/0x68 [ 60.240847][ T5232] __btrfs_unlink_inode+0x1dc/0xaec [ 60.241749][ T5232] btrfs_rename2+0x1bf8/0x307c [ 60.242617][ T5232] vfs_rename+0x95c/0xde0 [ 60.243390][ T5232] do_renameat2+0x774/0xcfc [ 60.244176][ T5232] __arm64_sys_renameat2+0xe0/0xfc [ 60.244986][ T5232] invoke_syscall+0x98/0x2b0 [ 60.245789][ T5232] el0_svc_common+0x138/0x258 [ 60.246653][ T5232] do_el0_svc+0x58/0x13c [ 60.247383][ T5232] el0_svc+0x78/0x1d0 [ 60.248106][ T5232] el0t_64_sync_handler+0xcc/0xe4 [ 60.249030][ T5232] el0t_64_sync+0x1a0/0x1a4 [ 60.251502][ T5232] ------------[ cut here ]------------ [ 60.252776][ T5232] WARNING: CPU: 0 PID: 5232 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 60.254442][ T5232] Modules linked in: [ 60.255113][ T5232] CPU: 0 PID: 5232 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.256712][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.258399][ T5232] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.259685][ T5232] pc : btrfs_rename2+0x26a8/0x307c [ 60.260516][ T5232] lr : btrfs_rename2+0x26a8/0x307c [ 60.261441][ T5232] sp : ffff800022477870 [ 60.262165][ T5232] x29: ffff800022477980 x28: ffff0000dd08bc38 x27: 0000000000000000 [ 60.263505][ T5232] x26: dfff800000000000 x25: ffff0000e20a5d10 x24: ffff0000d86a0000 [ 60.264853][ T5232] x23: ffff0000e20a5850 x22: ffff80001431fcc0 x21: 1fffe00019848b3f [ 60.266285][ T5232] x20: ffff0000cc2459f8 x19: 00000000fffffff4 x18: 0000000000000001 [ 60.267771][ T5232] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 60.269218][ T5232] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 60.270625][ T5232] x11: 0000000000000000 x10: 0000000000000000 x9 : 1e7324bf80bfec00 [ 60.271984][ T5232] x8 : 1e7324bf80bfec00 x7 : 0000000000000001 x6 : 0000000000000001 [ 60.273428][ T5232] x5 : ffff800022477178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 60.274777][ T5232] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 60.276172][ T5232] Call trace: [ 60.276779][ T5232] btrfs_rename2+0x26a8/0x307c [ 60.277595][ T5232] vfs_rename+0x95c/0xde0 [ 60.278399][ T5232] do_renameat2+0x774/0xcfc [ 60.279169][ T5232] __arm64_sys_renameat2+0xe0/0xfc [ 60.280041][ T5232] invoke_syscall+0x98/0x2b0 [ 60.280878][ T5232] el0_svc_common+0x138/0x258 [ 60.281678][ T5232] do_el0_svc+0x58/0x13c [ 60.282440][ T5232] el0_svc+0x78/0x1d0 [ 60.283120][ T5232] el0t_64_sync_handler+0xcc/0xe4 [ 60.283979][ T5232] el0t_64_sync+0x1a0/0x1a4 [ 60.284753][ T5232] irq event stamp: 80186 [ 60.285531][ T5232] hardirqs last enabled at (80185): [] __up_console_sem+0xb4/0xfc [ 60.287211][ T5232] hardirqs last disabled at (80186): [] el1_dbg+0x24/0x80 [ 60.288701][ T5232] softirqs last enabled at (80162): [] handle_softirqs+0xa40/0xbe4 [ 60.290376][ T5232] softirqs last disabled at (79995): [] __irq_exit_rcu+0x240/0x43c [ 60.292176][ T5232] ---[ end trace 81b4ab06da20f8b5 ]--- [ 60.293896][ T5232] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 60.295391][ T5232] BTRFS info (device loop0): forced readonly [ 60.478232][ T5253] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5253) [ 60.483620][ T5253] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 60.485358][ T5253] BTRFS info (device loop0): using free space tree [ 60.486530][ T5253] BTRFS info (device loop0): has skinny extents [ 60.495596][ T5253] BTRFS info (device loop0): enabling ssd optimizations [ 60.501177][ T5253] FAULT_INJECTION: forcing a failure. [ 60.501177][ T5253] name failslab, interval 1, probability 0, space 0, times 0 [ 60.503412][ T5253] CPU: 0 PID: 5253 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.505036][ T5253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.506681][ T5253] Call trace: [ 60.507239][ T5253] dump_backtrace+0x0/0x458 [ 60.507999][ T5253] show_stack+0x2c/0x3c [ 60.508806][ T5253] __dump_stack+0x30/0x40 [ 60.509515][ T5253] dump_stack_lvl+0xf4/0x15c [ 60.510210][ T5253] dump_stack+0x1c/0x5c [ 60.510949][ T5253] should_fail+0x3bc/0x514 [ 60.511779][ T5253] __should_failslab+0xbc/0x10c [ 60.512577][ T5253] should_failslab+0x10/0x28 [ 60.513386][ T5253] slab_pre_alloc_hook+0x64/0xe8 [ 60.514198][ T5253] kmem_cache_alloc+0x94/0x3d4 [ 60.515000][ T5253] btrfs_alloc_path+0x5c/0x68 [ 60.515734][ T5253] __btrfs_unlink_inode+0x1dc/0xaec [ 60.516577][ T5253] btrfs_rename2+0x1bf8/0x307c [ 60.517399][ T5253] vfs_rename+0x95c/0xde0 [ 60.518109][ T5253] do_renameat2+0x774/0xcfc [ 60.518852][ T5253] __arm64_sys_renameat2+0xe0/0xfc [ 60.519658][ T5253] invoke_syscall+0x98/0x2b0 [ 60.520384][ T5253] el0_svc_common+0x138/0x258 [ 60.521107][ T5253] do_el0_svc+0x58/0x13c [ 60.521752][ T5253] el0_svc+0x78/0x1d0 [ 60.522369][ T5253] el0t_64_sync_handler+0xcc/0xe4 [ 60.523213][ T5253] el0t_64_sync+0x1a0/0x1a4 [ 60.526209][ T5253] ------------[ cut here ]------------ [ 60.527216][ T5253] WARNING: CPU: 0 PID: 5253 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 60.528716][ T5253] Modules linked in: [ 60.529368][ T5253] CPU: 0 PID: 5253 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.530943][ T5253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.532646][ T5253] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 60.534101][ T5253] pc : btrfs_rename2+0x26a8/0x307c [ 60.534957][ T5253] lr : btrfs_rename2+0x26a8/0x307c [ 60.535852][ T5253] sp : ffff8000225d7870 [ 60.536562][ T5253] x29: ffff8000225d7980 x28: ffff0000dd1b2340 x27: 0000000000000000 [ 60.537933][ T5253] x26: dfff800000000000 x25: ffff0000def470b0 x24: ffff0000d7ed2000 [ 60.539338][ T5253] x23: ffff0000def46bf0 x22: ffff80001431fcc0 x21: 1fffe00019848b81 [ 60.540753][ T5253] x20: ffff0000cc245c08 x19: 00000000fffffff4 x18: 0000000000000001 [ 60.542135][ T5253] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 60.543399][ T5253] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 60.544685][ T5253] x11: 0000000000000000 x10: 0000000000000000 x9 : 7f79a0d7e6b4ec00 [ 60.545975][ T5253] x8 : 7f79a0d7e6b4ec00 x7 : 0000000000000001 x6 : 0000000000000001 [ 60.547225][ T5253] x5 : ffff8000225d7178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 60.548425][ T5253] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 60.549668][ T5253] Call trace: [ 60.550142][ T5253] btrfs_rename2+0x26a8/0x307c [ 60.550835][ T5253] vfs_rename+0x95c/0xde0 [ 60.551508][ T5253] do_renameat2+0x774/0xcfc [ 60.552301][ T5253] __arm64_sys_renameat2+0xe0/0xfc [ 60.553180][ T5253] invoke_syscall+0x98/0x2b0 [ 60.554014][ T5253] el0_svc_common+0x138/0x258 [ 60.554827][ T5253] do_el0_svc+0x58/0x13c [ 60.555598][ T5253] el0_svc+0x78/0x1d0 [ 60.556304][ T5253] el0t_64_sync_handler+0xcc/0xe4 [ 60.557199][ T5253] el0t_64_sync+0x1a0/0x1a4 [ 60.557995][ T5253] irq event stamp: 80942 [ 60.558774][ T5253] hardirqs last enabled at (80941): [] __up_console_sem+0xb4/0xfc [ 60.560458][ T5253] hardirqs last disabled at (80942): [] el1_dbg+0x24/0x80 [ 60.561939][ T5253] softirqs last enabled at (80922): [] handle_softirqs+0xa40/0xbe4 [ 60.563634][ T5253] softirqs last disabled at (80761): [] __irq_exit_rcu+0x240/0x43c [ 60.565254][ T5253] ---[ end trace 81b4ab06da20f8b6 ]--- [ 60.566971][ T5253] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 60.568401][ T5253] BTRFS info (device loop0): forced readonly [ 60.748762][ T5274] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5274) [ 60.752671][ T5274] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 60.754459][ T5274] BTRFS info (device loop0): using free space tree [ 60.755710][ T5274] BTRFS info (device loop0): has skinny extents [ 60.765336][ T5274] BTRFS info (device loop0): enabling ssd optimizations [ 60.771787][ T5274] FAULT_INJECTION: forcing a failure. [ 60.771787][ T5274] name failslab, interval 1, probability 0, space 0, times 0 [ 60.774086][ T5274] CPU: 0 PID: 5274 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.775655][ T5274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 60.777481][ T5274] Call trace: [ 60.778027][ T5274] dump_backtrace+0x0/0x458 [ 60.778816][ T5274] show_stack+0x2c/0x3c [ 60.779550][ T5274] __dump_stack+0x30/0x40 [ 60.780329][ T5274] dump_stack_lvl+0xf4/0x15c [ 60.781179][ T5274] dump_stack+0x1c/0x5c [ 60.781824][ T5274] should_fail+0x3bc/0x514 [ 60.782541][ T5274] __should_failslab+0xbc/0x10c [ 60.783360][ T5274] should_failslab+0x10/0x28 [ 60.784119][ T5274] slab_pre_alloc_hook+0x64/0xe8 [ 60.784870][ T5274] kmem_cache_alloc+0x94/0x3d4 [ 60.785624][ T5274] start_transaction+0x4d0/0x13ec [ 60.786516][ T5274] btrfs_start_transaction+0x34/0x44 [ 60.787384][ T5274] btrfs_rename2+0x15d8/0x307c [ 60.788158][ T5274] vfs_rename+0x95c/0xde0 [ 60.788936][ T5274] do_renameat2+0x774/0xcfc [ 60.789697][ T5274] __arm64_sys_renameat2+0xe0/0xfc [ 60.790527][ T5274] invoke_syscall+0x98/0x2b0 [ 60.791255][ T5274] el0_svc_common+0x138/0x258 [ 60.792114][ T5274] do_el0_svc+0x58/0x13c [ 60.792825][ T5274] el0_svc+0x78/0x1d0 [ 60.793552][ T5274] el0t_64_sync_handler+0xcc/0xe4 [ 60.794463][ T5274] el0t_64_sync+0x1a0/0x1a4 [ 60.984459][ T5295] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5295) [ 60.989697][ T5295] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 60.991589][ T5295] BTRFS info (device loop0): using free space tree [ 60.992876][ T5295] BTRFS info (device loop0): has skinny extents [ 61.002037][ T5295] BTRFS info (device loop0): enabling ssd optimizations [ 61.007640][ T5295] FAULT_INJECTION: forcing a failure. [ 61.007640][ T5295] name failslab, interval 1, probability 0, space 0, times 0 [ 61.009952][ T5295] CPU: 0 PID: 5295 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.011392][ T5295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.013067][ T5295] Call trace: [ 61.013603][ T5295] dump_backtrace+0x0/0x458 [ 61.014390][ T5295] show_stack+0x2c/0x3c [ 61.015112][ T5295] __dump_stack+0x30/0x40 [ 61.015802][ T5295] dump_stack_lvl+0xf4/0x15c [ 61.016636][ T5295] dump_stack+0x1c/0x5c [ 61.017434][ T5295] should_fail+0x3bc/0x514 [ 61.018235][ T5295] __should_failslab+0xbc/0x10c [ 61.019072][ T5295] should_failslab+0x10/0x28 [ 61.019884][ T5295] slab_pre_alloc_hook+0x64/0xe8 [ 61.020767][ T5295] kmem_cache_alloc+0x94/0x3d4 [ 61.021573][ T5295] btrfs_alloc_path+0x5c/0x68 [ 61.022393][ T5295] __btrfs_unlink_inode+0x1dc/0xaec [ 61.023293][ T5295] btrfs_rename2+0x1bf8/0x307c [ 61.024136][ T5295] vfs_rename+0x95c/0xde0 [ 61.024912][ T5295] do_renameat2+0x774/0xcfc [ 61.025769][ T5295] __arm64_sys_renameat2+0xe0/0xfc [ 61.026587][ T5295] invoke_syscall+0x98/0x2b0 [ 61.027446][ T5295] el0_svc_common+0x138/0x258 [ 61.028295][ T5295] do_el0_svc+0x58/0x13c [ 61.029080][ T5295] el0_svc+0x78/0x1d0 [ 61.029772][ T5295] el0t_64_sync_handler+0xcc/0xe4 [ 61.030672][ T5295] el0t_64_sync+0x1a0/0x1a4 [ 61.032767][ T5295] ------------[ cut here ]------------ [ 61.033816][ T5295] WARNING: CPU: 0 PID: 5295 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 61.035391][ T5295] Modules linked in: [ 61.035996][ T5295] CPU: 0 PID: 5295 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.037481][ T5295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.039115][ T5295] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 61.040420][ T5295] pc : btrfs_rename2+0x26a8/0x307c [ 61.041274][ T5295] lr : btrfs_rename2+0x26a8/0x307c [ 61.042145][ T5295] sp : ffff800022807870 [ 61.042823][ T5295] x29: ffff800022807980 x28: ffff0000dd0a6a98 x27: 0000000000000000 [ 61.044160][ T5295] x26: dfff800000000000 x25: ffff0000def42c00 x24: ffff0000c687a000 [ 61.045544][ T5295] x23: ffff0000def42740 x22: ffff80001431fcc0 x21: 1fffe0001ba6188f [ 61.046813][ T5295] x20: ffff0000dd30c478 x19: 00000000fffffff4 x18: 0000000000000001 [ 61.048245][ T5295] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 61.049594][ T5295] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 61.050939][ T5295] x11: 0000000000000000 x10: 0000000000000000 x9 : be7221ab78327200 [ 61.052334][ T5295] x8 : be7221ab78327200 x7 : 0000000000000001 x6 : 0000000000000001 [ 61.053789][ T5295] x5 : ffff800022807178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 61.055187][ T5295] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 61.056562][ T5295] Call trace: [ 61.057139][ T5295] btrfs_rename2+0x26a8/0x307c [ 61.057980][ T5295] vfs_rename+0x95c/0xde0 [ 61.058761][ T5295] do_renameat2+0x774/0xcfc [ 61.059508][ T5295] __arm64_sys_renameat2+0xe0/0xfc [ 61.060352][ T5295] invoke_syscall+0x98/0x2b0 [ 61.061133][ T5295] el0_svc_common+0x138/0x258 [ 61.061941][ T5295] do_el0_svc+0x58/0x13c [ 61.062652][ T5295] el0_svc+0x78/0x1d0 [ 61.063317][ T5295] el0t_64_sync_handler+0xcc/0xe4 [ 61.064093][ T5295] el0t_64_sync+0x1a0/0x1a4 [ 61.064939][ T5295] irq event stamp: 80440 [ 61.065696][ T5295] hardirqs last enabled at (80439): [] __up_console_sem+0xb4/0xfc [ 61.067275][ T5295] hardirqs last disabled at (80440): [] el1_dbg+0x24/0x80 [ 61.068696][ T5295] softirqs last enabled at (80420): [] handle_softirqs+0xa40/0xbe4 [ 61.070420][ T5295] softirqs last disabled at (80399): [] __irq_exit_rcu+0x240/0x43c [ 61.072039][ T5295] ---[ end trace 81b4ab06da20f8b7 ]--- [ 61.073619][ T5295] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 61.075024][ T5295] BTRFS info (device loop0): forced readonly [ 61.281940][ T5316] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5316) [ 61.286678][ T5316] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 61.288347][ T5316] BTRFS info (device loop0): using free space tree [ 61.289552][ T5316] BTRFS info (device loop0): has skinny extents [ 61.304284][ T5316] BTRFS info (device loop0): enabling ssd optimizations [ 61.309952][ T5316] FAULT_INJECTION: forcing a failure. [ 61.309952][ T5316] name failslab, interval 1, probability 0, space 0, times 0 [ 61.313297][ T5316] CPU: 0 PID: 5316 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.314807][ T5316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.316482][ T5316] Call trace: [ 61.317013][ T5316] dump_backtrace+0x0/0x458 [ 61.317799][ T5316] show_stack+0x2c/0x3c [ 61.318503][ T5316] __dump_stack+0x30/0x40 [ 61.319271][ T5316] dump_stack_lvl+0xf4/0x15c [ 61.320061][ T5316] dump_stack+0x1c/0x5c [ 61.320757][ T5316] should_fail+0x3bc/0x514 [ 61.321570][ T5316] __should_failslab+0xbc/0x10c [ 61.322421][ T5316] should_failslab+0x10/0x28 [ 61.323233][ T5316] slab_pre_alloc_hook+0x64/0xe8 [ 61.324094][ T5316] kmem_cache_alloc+0x94/0x3d4 [ 61.324881][ T5316] btrfs_alloc_path+0x5c/0x68 [ 61.325739][ T5316] __btrfs_unlink_inode+0x1dc/0xaec [ 61.326670][ T5316] btrfs_rename2+0x1bf8/0x307c [ 61.327475][ T5316] vfs_rename+0x95c/0xde0 [ 61.328222][ T5316] do_renameat2+0x774/0xcfc [ 61.328971][ T5316] __arm64_sys_renameat2+0xe0/0xfc [ 61.329862][ T5316] invoke_syscall+0x98/0x2b0 [ 61.330663][ T5316] el0_svc_common+0x138/0x258 [ 61.331453][ T5316] do_el0_svc+0x58/0x13c [ 61.332150][ T5316] el0_svc+0x78/0x1d0 [ 61.332799][ T5316] el0t_64_sync_handler+0xcc/0xe4 [ 61.333680][ T5316] el0t_64_sync+0x1a0/0x1a4 [ 61.335689][ T5316] ------------[ cut here ]------------ [ 61.336608][ T5316] WARNING: CPU: 0 PID: 5316 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 61.337966][ T5316] Modules linked in: [ 61.338547][ T5316] CPU: 0 PID: 5316 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.340044][ T5316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.341711][ T5316] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 61.343063][ T5316] pc : btrfs_rename2+0x26a8/0x307c [ 61.343950][ T5316] lr : btrfs_rename2+0x26a8/0x307c [ 61.344849][ T5316] sp : ffff800022807870 [ 61.345559][ T5316] x29: ffff800022807980 x28: ffff0000cf064d88 x27: 0000000000000000 [ 61.346876][ T5316] x26: dfff800000000000 x25: ffff0000def404c0 x24: ffff0000c8552000 [ 61.348248][ T5316] x23: ffff0000def40000 x22: ffff80001431fcc0 x21: 1fffe0001ba6184d [ 61.349622][ T5316] x20: ffff0000dd30c268 x19: 00000000fffffff4 x18: 0000000000000001 [ 61.351055][ T5316] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 61.352432][ T5316] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 61.353843][ T5316] x11: 0000000000000000 x10: 0000000000000000 x9 : 367cc41b5ec19800 [ 61.355253][ T5316] x8 : 367cc41b5ec19800 x7 : 0000000000000001 x6 : 0000000000000001 [ 61.356718][ T5316] x5 : ffff800022807178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 61.358059][ T5316] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 61.359415][ T5316] Call trace: [ 61.359981][ T5316] btrfs_rename2+0x26a8/0x307c [ 61.360792][ T5316] vfs_rename+0x95c/0xde0 [ 61.361536][ T5316] do_renameat2+0x774/0xcfc [ 61.362331][ T5316] __arm64_sys_renameat2+0xe0/0xfc [ 61.363243][ T5316] invoke_syscall+0x98/0x2b0 [ 61.364001][ T5316] el0_svc_common+0x138/0x258 [ 61.364801][ T5316] do_el0_svc+0x58/0x13c [ 61.365485][ T5316] el0_svc+0x78/0x1d0 [ 61.366169][ T5316] el0t_64_sync_handler+0xcc/0xe4 [ 61.367022][ T5316] el0t_64_sync+0x1a0/0x1a4 [ 61.367791][ T5316] irq event stamp: 80664 [ 61.368471][ T5316] hardirqs last enabled at (80663): [] __up_console_sem+0xb4/0xfc [ 61.370033][ T5316] hardirqs last disabled at (80664): [] el1_dbg+0x24/0x80 [ 61.371439][ T5316] softirqs last enabled at (80644): [] handle_softirqs+0xa40/0xbe4 [ 61.373011][ T5316] softirqs last disabled at (80571): [] __irq_exit_rcu+0x240/0x43c [ 61.374578][ T5316] ---[ end trace 81b4ab06da20f8b8 ]--- [ 61.377564][ T5316] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 61.379099][ T5316] BTRFS info (device loop0): forced readonly [ 61.588628][ T5337] set_capacity_and_notify: 9 callbacks suppressed [ 61.588637][ T5337] loop0: detected capacity change from 0 to 32768 [ 61.592288][ T5337] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5337) [ 61.597754][ T5337] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 61.599346][ T5337] BTRFS info (device loop0): using free space tree [ 61.600484][ T5337] BTRFS info (device loop0): has skinny extents [ 61.613241][ T5337] BTRFS info (device loop0): enabling ssd optimizations [ 61.618473][ T5337] FAULT_INJECTION: forcing a failure. [ 61.618473][ T5337] name failslab, interval 1, probability 0, space 0, times 0 [ 61.620591][ T5337] CPU: 0 PID: 5337 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.622038][ T5337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.623811][ T5337] Call trace: [ 61.624375][ T5337] dump_backtrace+0x0/0x458 [ 61.625178][ T5337] show_stack+0x2c/0x3c [ 61.625877][ T5337] __dump_stack+0x30/0x40 [ 61.626628][ T5337] dump_stack_lvl+0xf4/0x15c [ 61.627438][ T5337] dump_stack+0x1c/0x5c [ 61.628150][ T5337] should_fail+0x3bc/0x514 [ 61.628865][ T5337] __should_failslab+0xbc/0x10c [ 61.629700][ T5337] should_failslab+0x10/0x28 [ 61.630482][ T5337] slab_pre_alloc_hook+0x64/0xe8 [ 61.631335][ T5337] kmem_cache_alloc+0x94/0x3d4 [ 61.632099][ T5337] btrfs_alloc_path+0x5c/0x68 [ 61.632814][ T5337] __btrfs_unlink_inode+0x1dc/0xaec [ 61.633606][ T5337] btrfs_rename2+0x1bf8/0x307c [ 61.634491][ T5337] vfs_rename+0x95c/0xde0 [ 61.635286][ T5337] do_renameat2+0x774/0xcfc [ 61.636048][ T5337] __arm64_sys_renameat2+0xe0/0xfc [ 61.636938][ T5337] invoke_syscall+0x98/0x2b0 [ 61.637824][ T5337] el0_svc_common+0x138/0x258 [ 61.638629][ T5337] do_el0_svc+0x58/0x13c [ 61.639297][ T5337] el0_svc+0x78/0x1d0 [ 61.639956][ T5337] el0t_64_sync_handler+0xcc/0xe4 [ 61.640732][ T5337] el0t_64_sync+0x1a0/0x1a4 [ 61.641776][ T5337] ------------[ cut here ]------------ [ 61.642824][ T5337] WARNING: CPU: 0 PID: 5337 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 61.644243][ T5337] Modules linked in: [ 61.644868][ T5337] CPU: 0 PID: 5337 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.646490][ T5337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.648307][ T5337] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 61.649748][ T5337] pc : btrfs_rename2+0x26a8/0x307c [ 61.650643][ T5337] lr : btrfs_rename2+0x26a8/0x307c [ 61.651489][ T5337] sp : ffff800022907870 [ 61.652178][ T5337] x29: ffff800022907980 x28: ffff0000deee8f00 x27: 0000000000000000 [ 61.653492][ T5337] x26: dfff800000000000 x25: ffff0000e204a230 x24: ffff0000cc788000 [ 61.654828][ T5337] x23: ffff0000e2049d70 x22: ffff80001431fcc0 x21: 1fffe0001ba6180b [ 61.656166][ T5337] x20: ffff0000dd30c058 x19: 00000000fffffff4 x18: 0000000000000001 [ 61.657415][ T5337] x17: 0000000000000000 x16: ffff800008304af8 x15: 00000000ffffffff [ 61.658768][ T5337] x14: 0000000000000001 x13: 1ffff00004520e2c x12: 0000000000ff0100 [ 61.660188][ T5337] x11: 0000000000000000 x10: 0000000000000000 x9 : 417166d127dcd200 [ 61.661468][ T5337] x8 : 417166d127dcd200 x7 : 0000000000000001 x6 : 0000000000000001 [ 61.662841][ T5337] x5 : ffff800022907178 x4 : ffff80001437f3e0 x3 : ffff800008304c08 [ 61.664284][ T5337] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 61.665633][ T5337] Call trace: [ 61.666204][ T5337] btrfs_rename2+0x26a8/0x307c [ 61.667051][ T5337] vfs_rename+0x95c/0xde0 [ 61.667779][ T5337] do_renameat2+0x774/0xcfc [ 61.668525][ T5337] __arm64_sys_renameat2+0xe0/0xfc [ 61.669371][ T5337] invoke_syscall+0x98/0x2b0 [ 61.670189][ T5337] el0_svc_common+0x138/0x258 [ 61.671014][ T5337] do_el0_svc+0x58/0x13c [ 61.671787][ T5337] el0_svc+0x78/0x1d0 [ 61.672498][ T5337] el0t_64_sync_handler+0xcc/0xe4 [ 61.673333][ T5337] el0t_64_sync+0x1a0/0x1a4 [ 61.674076][ T5337] irq event stamp: 80728 [ 61.674773][ T5337] hardirqs last enabled at (80727): [] __up_console_sem+0xb4/0xfc [ 61.676457][ T5337] hardirqs last disabled at (80728): [] el1_dbg+0x24/0x80 [ 61.677954][ T5337] softirqs last enabled at (80708): [] handle_softirqs+0xa40/0xbe4 [ 61.679571][ T5337] softirqs last disabled at (80607): [] __irq_exit_rcu+0x240/0x43c [ 61.681159][ T5337] ---[ end trace 81b4ab06da20f8b9 ]--- [ 61.682233][ T5337] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 61.683816][ T5337] BTRFS info (device loop0): forced readonly [ 61.897811][ T5358] loop0: detected capacity change from 0 to 32768 [ 61.900548][ T5358] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5358) [ 61.907146][ T5358] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 61.908840][ T5358] BTRFS info (device loop0): using free space tree [ 61.909871][ T5358] BTRFS info (device loop0): has skinny extents [ 61.927583][ T5358] BTRFS info (device loop0): enabling ssd optimizations [ 61.934480][ T5358] FAULT_INJECTION: forcing a failure. [ 61.934480][ T5358] name failslab, interval 1, probability 0, space 0, times 0 [ 61.936837][ T5358] CPU: 1 PID: 5358 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.938415][ T5358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.940117][ T5358] Call trace: [ 61.940642][ T5358] dump_backtrace+0x0/0x458 [ 61.941424][ T5358] show_stack+0x2c/0x3c [ 61.942153][ T5358] __dump_stack+0x30/0x40 [ 61.942944][ T5358] dump_stack_lvl+0xf4/0x15c [ 61.943739][ T5358] dump_stack+0x1c/0x5c [ 61.944489][ T5358] should_fail+0x3bc/0x514 [ 61.945359][ T5358] __should_failslab+0xbc/0x10c [ 61.946269][ T5358] should_failslab+0x10/0x28 [ 61.946989][ T5358] slab_pre_alloc_hook+0x64/0xe8 [ 61.947800][ T5358] kmem_cache_alloc+0x94/0x3d4 [ 61.948559][ T5358] btrfs_alloc_path+0x5c/0x68 [ 61.949388][ T5358] __btrfs_unlink_inode+0x1dc/0xaec [ 61.950243][ T5358] btrfs_rename2+0x1bf8/0x307c [ 61.951070][ T5358] vfs_rename+0x95c/0xde0 [ 61.951791][ T5358] do_renameat2+0x774/0xcfc [ 61.952500][ T5358] __arm64_sys_renameat2+0xe0/0xfc [ 61.953325][ T5358] invoke_syscall+0x98/0x2b0 [ 61.954204][ T5358] el0_svc_common+0x138/0x258 [ 61.955068][ T5358] do_el0_svc+0x58/0x13c [ 61.955805][ T5358] el0_svc+0x78/0x1d0 [ 61.956503][ T5358] el0t_64_sync_handler+0xcc/0xe4 [ 61.957345][ T5358] el0t_64_sync+0x1a0/0x1a4 [ 61.960440][ T5358] ------------[ cut here ]------------ [ 61.961704][ T5358] WARNING: CPU: 1 PID: 5358 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 61.963107][ T5358] Modules linked in: [ 61.963782][ T5358] CPU: 1 PID: 5358 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 61.965341][ T5358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 61.967161][ T5358] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 61.968576][ T5358] pc : btrfs_rename2+0x26a8/0x307c [ 61.969516][ T5358] lr : btrfs_rename2+0x26a8/0x307c [ 61.970435][ T5358] sp : ffff800022917870 [ 61.971162][ T5358] x29: ffff800022917980 x28: ffff0000dd167948 x27: 0000000000000000 [ 61.972526][ T5358] x26: dfff800000000000 x25: ffff0000e2142230 x24: ffff0000cb882000 [ 61.973954][ T5358] x23: ffff0000e2141d70 x22: ffff80001431fcc0 x21: 1fffe0001bd9ab6b [ 61.975373][ T5358] x20: ffff0000decd5b58 x19: 00000000fffffff4 x18: 0000000000000001 [ 61.976763][ T5358] x17: 0000000000000000 x16: ffff80001125f448 x15: 00000000ffffffff [ 61.978079][ T5358] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 61.979412][ T5358] x11: 0000000000000000 x10: 0000000000000000 x9 : 340fd4d8269ce600 [ 61.980814][ T5358] x8 : 340fd4d8269ce600 x7 : 0000000000000001 x6 : 0000000000000001 [ 61.982240][ T5358] x5 : ffff800022917178 x4 : ffff80001437f3e0 x3 : ffff800008509220 [ 61.983647][ T5358] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 61.985045][ T5358] Call trace: [ 61.985625][ T5358] btrfs_rename2+0x26a8/0x307c [ 61.986519][ T5358] vfs_rename+0x95c/0xde0 [ 61.987275][ T5358] do_renameat2+0x774/0xcfc [ 61.988099][ T5358] __arm64_sys_renameat2+0xe0/0xfc [ 61.988962][ T5358] invoke_syscall+0x98/0x2b0 [ 61.989735][ T5358] el0_svc_common+0x138/0x258 [ 61.990530][ T5358] do_el0_svc+0x58/0x13c [ 61.991309][ T5358] el0_svc+0x78/0x1d0 [ 61.992014][ T5358] el0t_64_sync_handler+0xcc/0xe4 [ 61.992947][ T5358] el0t_64_sync+0x1a0/0x1a4 [ 61.993665][ T5358] irq event stamp: 80480 [ 61.994304][ T5358] hardirqs last enabled at (80479): [] __up_console_sem+0xb4/0xfc [ 61.995772][ T5358] hardirqs last disabled at (80480): [] el1_dbg+0x24/0x80 [ 61.997117][ T5358] softirqs last enabled at (80468): [] handle_softirqs+0xa40/0xbe4 [ 61.998640][ T5358] softirqs last disabled at (80421): [] __irq_exit_rcu+0x240/0x43c [ 62.000103][ T5358] ---[ end trace 81b4ab06da20f8ba ]--- [ 62.001845][ T5358] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 62.003383][ T5358] BTRFS info (device loop0): forced readonly [ 62.196014][ T5379] loop0: detected capacity change from 0 to 32768 [ 62.199935][ T5379] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5379) [ 62.205646][ T5379] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 62.207321][ T5379] BTRFS info (device loop0): using free space tree [ 62.208453][ T5379] BTRFS info (device loop0): has skinny extents [ 62.225324][ T5379] BTRFS info (device loop0): enabling ssd optimizations [ 62.232075][ T5379] FAULT_INJECTION: forcing a failure. [ 62.232075][ T5379] name failslab, interval 1, probability 0, space 0, times 0 [ 62.234400][ T5379] CPU: 1 PID: 5379 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 62.235981][ T5379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 62.238220][ T5379] Call trace: [ 62.238738][ T5379] dump_backtrace+0x0/0x458 [ 62.239488][ T5379] show_stack+0x2c/0x3c [ 62.240161][ T5379] __dump_stack+0x30/0x40 [ 62.240919][ T5379] dump_stack_lvl+0xf4/0x15c [ 62.241705][ T5379] dump_stack+0x1c/0x5c [ 62.242389][ T5379] should_fail+0x3bc/0x514 [ 62.243148][ T5379] __should_failslab+0xbc/0x10c [ 62.243963][ T5379] should_failslab+0x10/0x28 [ 62.244736][ T5379] slab_pre_alloc_hook+0x64/0xe8 [ 62.245554][ T5379] kmem_cache_alloc+0x94/0x3d4 [ 62.246408][ T5379] btrfs_alloc_path+0x5c/0x68 [ 62.247191][ T5379] btrfs_insert_inode_ref+0xf0/0xa2c [ 62.248114][ T5379] btrfs_rename2+0x1978/0x307c [ 62.248915][ T5379] vfs_rename+0x95c/0xde0 [ 62.249627][ T5379] do_renameat2+0x774/0xcfc [ 62.250476][ T5379] __arm64_sys_renameat2+0xe0/0xfc [ 62.251347][ T5379] invoke_syscall+0x98/0x2b0 [ 62.252110][ T5379] el0_svc_common+0x138/0x258 [ 62.252937][ T5379] do_el0_svc+0x58/0x13c [ 62.253658][ T5379] el0_svc+0x78/0x1d0 [ 62.254317][ T5379] el0t_64_sync_handler+0xcc/0xe4 [ 62.255104][ T5379] el0t_64_sync+0x1a0/0x1a4